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git01.mediatek.com / haproxy / bb7e86acfb308cc4fce88712e755a461a97c57dd / . / src / dumpstats.c
blob: 3855e09b4f3170707ce351121bf34c412a1ece5e [file] [log] [blame]
/*
* Functions dedicated to statistics output and the stats socket
*
* Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
* Copyright 2007-2009 Krzysztof Piotr Oledzki <ole@ans.pl>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <common/cfgparse.h>
#include <common/compat.h>
#include <common/config.h>
#include <common/debug.h>
#include <common/memory.h>
#include <common/mini-clist.h>
#include <common/standard.h>
#include <common/ticks.h>
#include <common/time.h>
#include <common/uri_auth.h>
#include <common/version.h>
#include <common/base64.h>
#include <types/global.h>
#include <proto/backend.h>
#include <proto/channel.h>
#include <proto/checks.h>
#include <proto/compression.h>
#include <proto/dumpstats.h>
#include <proto/fd.h>
#include <proto/freq_ctr.h>
#include <proto/log.h>
#include <proto/pattern.h>
#include <proto/pipe.h>
#include <proto/listener.h>
#include <proto/map.h>
#include <proto/proto_http.h>
#include <proto/proto_uxst.h>
#include <proto/proxy.h>
#include <proto/sample.h>
#include <proto/session.h>
#include <proto/server.h>
#include <proto/raw_sock.h>
#include <proto/stream_interface.h>
#include <proto/task.h>
#ifdef USE_OPENSSL
#include <proto/ssl_sock.h>
#endif
/* stats socket states */
enum {
STAT_CLI_INIT = 0, /* initial state, must leave to zero ! */
STAT_CLI_END, /* final state, let's close */
STAT_CLI_GETREQ, /* wait for a request */
STAT_CLI_OUTPUT, /* all states after this one are responses */
STAT_CLI_PROMPT, /* display the prompt (first output, same code) */
STAT_CLI_PRINT, /* display message in cli->msg */
STAT_CLI_PRINT_FREE, /* display message in cli->msg. After the display, free the pointer */
STAT_CLI_O_INFO, /* dump info */
STAT_CLI_O_SESS, /* dump sessions */
STAT_CLI_O_ERR, /* dump errors */
STAT_CLI_O_TAB, /* dump tables */
STAT_CLI_O_CLR, /* clear tables */
STAT_CLI_O_SET, /* set entries in tables */
STAT_CLI_O_STAT, /* dump stats */
STAT_CLI_O_PATS, /* list all pattern reference avalaible */
STAT_CLI_O_PAT, /* list all entries of a pattern */
STAT_CLI_O_MLOOK, /* lookup a map entry */
STAT_CLI_O_POOLS, /* dump memory pools */
};
/* Actions available for the stats admin forms */
enum {
ST_ADM_ACTION_NONE = 0,
/* enable/disable health checks */
ST_ADM_ACTION_DHLTH,
ST_ADM_ACTION_EHLTH,
/* force health check status */
ST_ADM_ACTION_HRUNN,
ST_ADM_ACTION_HNOLB,
ST_ADM_ACTION_HDOWN,
/* enable/disable agent checks */
ST_ADM_ACTION_DAGENT,
ST_ADM_ACTION_EAGENT,
/* force agent check status */
ST_ADM_ACTION_ARUNN,
ST_ADM_ACTION_ADOWN,
/* set admin state */
ST_ADM_ACTION_READY,
ST_ADM_ACTION_DRAIN,
ST_ADM_ACTION_MAINT,
ST_ADM_ACTION_SHUTDOWN,
/* these are the ancient actions, still available for compatibility */
ST_ADM_ACTION_DISABLE,
ST_ADM_ACTION_ENABLE,
ST_ADM_ACTION_STOP,
ST_ADM_ACTION_START,
};
static int stats_dump_info_to_buffer(struct stream_interface *si);
static int stats_dump_pools_to_buffer(struct stream_interface *si);
static int stats_dump_full_sess_to_buffer(struct stream_interface *si, struct session *sess);
static int stats_dump_sess_to_buffer(struct stream_interface *si);
static int stats_dump_errors_to_buffer(struct stream_interface *si);
static int stats_table_request(struct stream_interface *si, int show);
static int stats_dump_proxy_to_buffer(struct stream_interface *si, struct proxy *px, struct uri_auth *uri);
static int stats_dump_stat_to_buffer(struct stream_interface *si, struct uri_auth *uri);
static int stats_pats_list(struct stream_interface *si);
static int stats_pat_list(struct stream_interface *si);
static int stats_map_lookup(struct stream_interface *si);
/*
* cli_io_handler()
* -> stats_dump_sess_to_buffer() // "show sess"
* -> stats_dump_errors_to_buffer() // "show errors"
* -> stats_dump_info_to_buffer() // "show info"
* -> stats_dump_stat_to_buffer() // "show stat"
* -> stats_dump_csv_header()
* -> stats_dump_proxy_to_buffer()
* -> stats_dump_fe_stats()
* -> stats_dump_li_stats()
* -> stats_dump_sv_stats()
* -> stats_dump_be_stats()
*
* http_stats_io_handler()
* -> stats_dump_stat_to_buffer() // same as above, but used for CSV or HTML
* -> stats_dump_csv_header() // emits the CSV headers (same as above)
* -> stats_dump_html_head() // emits the HTML headers
* -> stats_dump_html_info() // emits the equivalent of "show info" at the top
* -> stats_dump_proxy_to_buffer() // same as above, valid for CSV and HTML
* -> stats_dump_html_px_hdr()
* -> stats_dump_fe_stats()
* -> stats_dump_li_stats()
* -> stats_dump_sv_stats()
* -> stats_dump_be_stats()
* -> stats_dump_html_px_end()
* -> stats_dump_html_end() // emits HTML trailer
*/
static struct si_applet cli_applet;
static const char stats_sock_usage_msg[] =
"Unknown command. Please enter one of the following commands only :\n"
" clear counters : clear max statistics counters (add 'all' for all counters)\n"
" clear table : remove an entry from a table\n"
" help : this message\n"
" prompt : toggle interactive mode with prompt\n"
" quit : disconnect\n"
" show info : report information about the running process\n"
" show pools : report information about the memory pools usage\n"
" show stat : report counters for each proxy and server\n"
" show errors : report last request and response errors for each proxy\n"
" show sess [id] : report the list of current sessions or dump this session\n"
" show table [id]: report table usage stats or dump this table's contents\n"
" get weight : report a server's current weight\n"
" set weight : change a server's weight\n"
" set server : change a server's state or weight\n"
" set table [id] : update or create a table entry's data\n"
" set timeout : change a timeout setting\n"
" set maxconn : change a maxconn setting\n"
" set rate-limit : change a rate limiting value\n"
" disable : put a server or frontend in maintenance mode\n"
" enable : re-enable a server or frontend which is in maintenance mode\n"
" shutdown : kill a session or a frontend (eg:to release listening ports)\n"
" show acl [id] : report avalaible acls or dump an acl's contents\n"
" get acl : reports the patterns matching a sample for an ACL\n"
" add acl : add acl entry\n"
" del acl : delete acl entry\n"
" clear acl <id> : clear the content of this acl\n"
" show map [id] : report avalaible maps or dump a map's contents\n"
" get map : reports the keys and values matching a sample for a map\n"
" set map : modify map entry\n"
" add map : add map entry\n"
" del map : delete map entry\n"
" clear map <id> : clear the content of this map\n"
" set ssl <stmt> : set statement for ssl\n"
"";
static const char stats_permission_denied_msg[] =
"Permission denied\n"
"";
/* data transmission states for the stats responses */
enum {
STAT_ST_INIT = 0,
STAT_ST_HEAD,
STAT_ST_INFO,
STAT_ST_LIST,
STAT_ST_END,
STAT_ST_FIN,
};
/* data transmission states for the stats responses inside a proxy */
enum {
STAT_PX_ST_INIT = 0,
STAT_PX_ST_TH,
STAT_PX_ST_FE,
STAT_PX_ST_LI,
STAT_PX_ST_SV,
STAT_PX_ST_BE,
STAT_PX_ST_END,
STAT_PX_ST_FIN,
};
extern const char *stat_status_codes[];
/* This function is called from the session-level accept() in order to instanciate
* a new stats socket. It returns a positive value upon success, 0 if the session
* needs to be closed and ignored, or a negative value upon critical failure.
*/
static int stats_accept(struct session *s)
{
s->target = &cli_applet.obj_type;
/* no need to initialize the applet, it will start with st0=st1 = 0 */
tv_zero(&s->logs.tv_request);
s->logs.t_queue = 0;
s->logs.t_connect = 0;
s->logs.t_data = 0;
s->logs.t_close = 0;
s->logs.bytes_in = s->logs.bytes_out = 0;
s->logs.prx_queue_size = 0; /* we get the number of pending conns before us */
s->logs.srv_queue_size = 0; /* we will get this number soon */
s->req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */
if (s->listener->timeout) {
s->req->rto = *s->listener->timeout;
s->rep->wto = *s->listener->timeout;
}
return 1;
}
/* allocate a new stats frontend named <name>, and return it
* (or NULL in case of lack of memory).
*/
static struct proxy *alloc_stats_fe(const char *name, const char *file, int line)
{
struct proxy *fe;
fe = (struct proxy *)calloc(1, sizeof(struct proxy));
if (!fe)
return NULL;
init_new_proxy(fe);
fe->next = proxy;
proxy = fe;
fe->last_change = now.tv_sec;
fe->id = strdup("GLOBAL");
fe->cap = PR_CAP_FE;
fe->maxconn = 10; /* default to 10 concurrent connections */
fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */
fe->conf.file = strdup(file);
fe->conf.line = line;
fe->accept = stats_accept;
/* the stats frontend is the only one able to assign ID #0 */
fe->conf.id.key = fe->uuid = 0;
eb32_insert(&used_proxy_id, &fe->conf.id);
return fe;
}
/* This function parses a "stats" statement in the "global" section. It returns
* -1 if there is any error, otherwise zero. If it returns -1, it will write an
* error message into the <err> buffer which will be preallocated. The trailing
* '\n' must not be written. The function must be called with <args> pointing to
* the first word after "stats".
*/
static int stats_parse_global(char **args, int section_type, struct proxy *curpx,
struct proxy *defpx, const char *file, int line,
char **err)
{
struct bind_conf *bind_conf;
struct listener *l;
if (!strcmp(args[1], "socket")) {
int cur_arg;
if (*args[2] == 0) {
memprintf(err, "'%s %s' in global section expects an address or a path to a UNIX socket", args[0], args[1]);
return -1;
}
if (!global.stats_fe) {
if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
return -1;
}
}
bind_conf = bind_conf_alloc(&global.stats_fe->conf.bind, file, line, args[2]);
bind_conf->level = ACCESS_LVL_OPER; /* default access level */
if (!str2listener(args[2], global.stats_fe, bind_conf, file, line, err)) {
memprintf(err, "parsing [%s:%d] : '%s %s' : %s\n",
file, line, args[0], args[1], err && *err ? *err : "error");
return -1;
}
cur_arg = 3;
while (*args[cur_arg]) {
static int bind_dumped;
struct bind_kw *kw;
kw = bind_find_kw(args[cur_arg]);
if (kw) {
if (!kw->parse) {
memprintf(err, "'%s %s' : '%s' option is not implemented in this version (check build options).",
args[0], args[1], args[cur_arg]);
return -1;
}
if (kw->parse(args, cur_arg, curpx, bind_conf, err) != 0) {
if (err && *err)
memprintf(err, "'%s %s' : '%s'", args[0], args[1], *err);
else
memprintf(err, "'%s %s' : error encountered while processing '%s'",
args[0], args[1], args[cur_arg]);
return -1;
}
cur_arg += 1 + kw->skip;
continue;
}
if (!bind_dumped) {
bind_dump_kws(err);
indent_msg(err, 4);
bind_dumped = 1;
}
memprintf(err, "'%s %s' : unknown keyword '%s'.%s%s",
args[0], args[1], args[cur_arg],
err && *err ? " Registered keywords :" : "", err && *err ? *err : "");
return -1;
}
list_for_each_entry(l, &bind_conf->listeners, by_bind) {
l->maxconn = global.stats_fe->maxconn;
l->backlog = global.stats_fe->backlog;
l->timeout = &global.stats_fe->timeout.client;
l->accept = session_accept;
l->handler = process_session;
l->options |= LI_O_UNLIMITED; /* don't make the peers subject to global limits */
l->nice = -64; /* we want to boost priority for local stats */
global.maxsock += l->maxconn;
}
}
else if (!strcmp(args[1], "timeout")) {
unsigned timeout;
const char *res = parse_time_err(args[2], &timeout, TIME_UNIT_MS);
if (res) {
memprintf(err, "'%s %s' : unexpected character '%c'", args[0], args[1], *res);
return -1;
}
if (!timeout) {
memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
return -1;
}
if (!global.stats_fe) {
if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
return -1;
}
}
global.stats_fe->timeout.client = MS_TO_TICKS(timeout);
}
else if (!strcmp(args[1], "maxconn")) {
int maxconn = atol(args[2]);
if (maxconn <= 0) {
memprintf(err, "'%s %s' expects a positive value", args[0], args[1]);
return -1;
}
if (!global.stats_fe) {
if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
return -1;
}
}
global.stats_fe->maxconn = maxconn;
}
else if (!strcmp(args[1], "bind-process")) { /* enable the socket only on some processes */
int cur_arg = 2;
unsigned long set = 0;
if (!global.stats_fe) {
if ((global.stats_fe = alloc_stats_fe("GLOBAL", file, line)) == NULL) {
memprintf(err, "'%s %s' : out of memory trying to allocate a frontend", args[0], args[1]);
return -1;
}
}
while (*args[cur_arg]) {
unsigned int low, high;
if (strcmp(args[cur_arg], "all") == 0) {
set = 0;
break;
}
else if (strcmp(args[cur_arg], "odd") == 0) {
set |= ~0UL/3UL; /* 0x555....555 */
}
else if (strcmp(args[cur_arg], "even") == 0) {
set |= (~0UL/3UL) << 1; /* 0xAAA...AAA */
}
else if (isdigit((int)*args[cur_arg])) {
char *dash = strchr(args[cur_arg], '-');
low = high = str2uic(args[cur_arg]);
if (dash)
high = str2uic(dash + 1);
if (high < low) {
unsigned int swap = low;
low = high;
high = swap;
}
if (low < 1 || high > LONGBITS) {
memprintf(err, "'%s %s' supports process numbers from 1 to %d.\n",
args[0], args[1], LONGBITS);
return -1;
}
while (low <= high)
set |= 1UL << (low++ - 1);
}
else {
memprintf(err,
"'%s %s' expects 'all', 'odd', 'even', or a list of process ranges with numbers from 1 to %d.\n",
args[0], args[1], LONGBITS);
return -1;
}
cur_arg++;
}
global.stats_fe->bind_proc = set;
}
else {
memprintf(err, "'%s' only supports 'socket', 'maxconn', 'bind-process' and 'timeout' (got '%s')", args[0], args[1]);
return -1;
}
return 0;
}
/* Dumps the stats CSV header to the trash buffer which. The caller is responsible
* for clearing it if needed.
* NOTE: Some tools happen to rely on the field position instead of its name,
* so please only append new fields at the end, never in the middle.
*/
static void stats_dump_csv_header()
{
chunk_appendf(&trash,
"# pxname,svname,"
"qcur,qmax,"
"scur,smax,slim,stot,"
"bin,bout,"
"dreq,dresp,"
"ereq,econ,eresp,"
"wretr,wredis,"
"status,weight,act,bck,"
"chkfail,chkdown,lastchg,downtime,qlimit,"
"pid,iid,sid,throttle,lbtot,tracked,type,"
"rate,rate_lim,rate_max,"
"check_status,check_code,check_duration,"
"hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,"
"req_rate,req_rate_max,req_tot,"
"cli_abrt,srv_abrt,"
"comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,"
"\n");
}
/* print a string of text buffer to <out>. The format is :
* Non-printable chars \t, \n, \r and \e are * encoded in C format.
* Other non-printable chars are encoded "\xHH". Space and '\' are also escaped.
* Print stopped if null char or <bsize> is reached, or if no more place in the chunk.
*/
static int dump_text(struct chunk *out, const char *buf, int bsize)
{
unsigned char c;
int ptr = 0;
while (buf[ptr] && ptr < bsize) {
c = buf[ptr];
if (isprint(c) && isascii(c) && c != '\\' && c != ' ') {
if (out->len > out->size - 1)
break;
out->str[out->len++] = c;
}
else if (c == '\t' || c == '\n' || c == '\r' || c == '\e' || c == '\\' || c == ' ') {
if (out->len > out->size - 2)
break;
out->str[out->len++] = '\\';
switch (c) {
case ' ': c = ' '; break;
case '\t': c = 't'; break;
case '\n': c = 'n'; break;
case '\r': c = 'r'; break;
case '\e': c = 'e'; break;
case '\\': c = '\\'; break;
}
out->str[out->len++] = c;
}
else {
if (out->len > out->size - 4)
break;
out->str[out->len++] = '\\';
out->str[out->len++] = 'x';
out->str[out->len++] = hextab[(c >> 4) & 0xF];
out->str[out->len++] = hextab[c & 0xF];
}
ptr++;
}
return ptr;
}
/* print a buffer in hexa.
* Print stopped if <bsize> is reached, or if no more place in the chunk.
*/
static int dump_binary(struct chunk *out, const char *buf, int bsize)
{
unsigned char c;
int ptr = 0;
while (ptr < bsize) {
c = buf[ptr];
if (out->len > out->size - 2)
break;
out->str[out->len++] = hextab[(c >> 4) & 0xF];
out->str[out->len++] = hextab[c & 0xF];
ptr++;
}
return ptr;
}
/* Dump the status of a table to a stream interface's
* read buffer. It returns 0 if the output buffer is full
* and needs to be called again, otherwise non-zero.
*/
static int stats_dump_table_head_to_buffer(struct chunk *msg, struct stream_interface *si,
struct proxy *proxy, struct proxy *target)
{
struct session *s = session_from_task(si->owner);
chunk_appendf(msg, "# table: %s, type: %s, size:%d, used:%d\n",
proxy->id, stktable_types[proxy->table.type].kw, proxy->table.size, proxy->table.current);
/* any other information should be dumped here */
if (target && s->listener->bind_conf->level < ACCESS_LVL_OPER)
chunk_appendf(msg, "# contents not dumped due to insufficient privileges\n");
if (bi_putchk(si->ib, msg) == -1)
return 0;
return 1;
}
/* Dump the a table entry to a stream interface's
* read buffer. It returns 0 if the output buffer is full
* and needs to be called again, otherwise non-zero.
*/
static int stats_dump_table_entry_to_buffer(struct chunk *msg, struct stream_interface *si,
struct proxy *proxy, struct stksess *entry)
{
int dt;
chunk_appendf(msg, "%p:", entry);
if (proxy->table.type == STKTABLE_TYPE_IP) {
char addr[INET_ADDRSTRLEN];
inet_ntop(AF_INET, (const void *)&entry->key.key, addr, sizeof(addr));
chunk_appendf(msg, " key=%s", addr);
}
else if (proxy->table.type == STKTABLE_TYPE_IPV6) {
char addr[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, (const void *)&entry->key.key, addr, sizeof(addr));
chunk_appendf(msg, " key=%s", addr);
}
else if (proxy->table.type == STKTABLE_TYPE_INTEGER) {
chunk_appendf(msg, " key=%u", *(unsigned int *)entry->key.key);
}
else if (proxy->table.type == STKTABLE_TYPE_STRING) {
chunk_appendf(msg, " key=");
dump_text(msg, (const char *)entry->key.key, proxy->table.key_size);
}
else {
chunk_appendf(msg, " key=");
dump_binary(msg, (const char *)entry->key.key, proxy->table.key_size);
}
chunk_appendf(msg, " use=%d exp=%d", entry->ref_cnt - 1, tick_remain(now_ms, entry->expire));
for (dt = 0; dt < STKTABLE_DATA_TYPES; dt++) {
void *ptr;
if (proxy->table.data_ofs[dt] == 0)
continue;
if (stktable_data_types[dt].arg_type == ARG_T_DELAY)
chunk_appendf(msg, " %s(%d)=", stktable_data_types[dt].name, proxy->table.data_arg[dt].u);
else
chunk_appendf(msg, " %s=", stktable_data_types[dt].name);
ptr = stktable_data_ptr(&proxy->table, entry, dt);
switch (stktable_data_types[dt].std_type) {
case STD_T_SINT:
chunk_appendf(msg, "%d", stktable_data_cast(ptr, std_t_sint));
break;
case STD_T_UINT:
chunk_appendf(msg, "%u", stktable_data_cast(ptr, std_t_uint));
break;
case STD_T_ULL:
chunk_appendf(msg, "%lld", stktable_data_cast(ptr, std_t_ull));
break;
case STD_T_FRQP:
chunk_appendf(msg, "%d",
read_freq_ctr_period(&stktable_data_cast(ptr, std_t_frqp),
proxy->table.data_arg[dt].u));
break;
}
}
chunk_appendf(msg, "\n");
if (bi_putchk(si->ib, msg) == -1)
return 0;
return 1;
}
static void stats_sock_table_key_request(struct stream_interface *si, char **args, int action)
{
struct session *s = session_from_task(si->owner);
struct appctx *appctx = __objt_appctx(si->end);
struct proxy *px = appctx->ctx.table.target;
struct stksess *ts;
uint32_t uint32_key;
unsigned char ip6_key[sizeof(struct in6_addr)];
long long value;
int data_type;
int cur_arg;
void *ptr;
struct freq_ctr_period *frqp;
appctx->st0 = STAT_CLI_OUTPUT;
if (!*args[4]) {
appctx->ctx.cli.msg = "Key value expected\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
switch (px->table.type) {
case STKTABLE_TYPE_IP:
uint32_key = htonl(inetaddr_host(args[4]));
static_table_key->key = &uint32_key;
break;
case STKTABLE_TYPE_IPV6:
inet_pton(AF_INET6, args[4], ip6_key);
static_table_key->key = &ip6_key;
break;
case STKTABLE_TYPE_INTEGER:
{
char *endptr;
unsigned long val;
errno = 0;
val = strtoul(args[4], &endptr, 10);
if ((errno == ERANGE && val == ULONG_MAX) ||
(errno != 0 && val == 0) || endptr == args[4] ||
val > 0xffffffff) {
appctx->ctx.cli.msg = "Invalid key\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
uint32_key = (uint32_t) val;
static_table_key->key = &uint32_key;
break;
}
break;
case STKTABLE_TYPE_STRING:
static_table_key->key = args[4];
static_table_key->key_len = strlen(args[4]);
break;
default:
switch (action) {
case STAT_CLI_O_TAB:
appctx->ctx.cli.msg = "Showing keys from tables of type other than ip, ipv6, string and integer is not supported\n";
break;
case STAT_CLI_O_CLR:
appctx->ctx.cli.msg = "Removing keys from ip tables of type other than ip, ipv6, string and integer is not supported\n";
break;
default:
appctx->ctx.cli.msg = "Unknown action\n";
break;
}
appctx->st0 = STAT_CLI_PRINT;
return;
}
/* check permissions */
if (s->listener->bind_conf->level < ACCESS_LVL_OPER) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return;
}
ts = stktable_lookup_key(&px->table, static_table_key);
switch (action) {
case STAT_CLI_O_TAB:
if (!ts)
return;
chunk_reset(&trash);
if (!stats_dump_table_head_to_buffer(&trash, si, px, px))
return;
stats_dump_table_entry_to_buffer(&trash, si, px, ts);
return;
case STAT_CLI_O_CLR:
if (!ts)
return;
if (ts->ref_cnt) {
/* don't delete an entry which is currently referenced */
appctx->ctx.cli.msg = "Entry currently in use, cannot remove\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
stksess_kill(&px->table, ts);
break;
case STAT_CLI_O_SET:
if (ts)
stktable_touch(&px->table, ts, 1);
else {
ts = stksess_new(&px->table, static_table_key);
if (!ts) {
/* don't delete an entry which is currently referenced */
appctx->ctx.cli.msg = "Unable to allocate a new entry\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
stktable_store(&px->table, ts, 1);
}
for (cur_arg = 5; *args[cur_arg]; cur_arg += 2) {
if (strncmp(args[cur_arg], "data.", 5) != 0) {
appctx->ctx.cli.msg = "\"data.<type>\" followed by a value expected\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
data_type = stktable_get_data_type(args[cur_arg] + 5);
if (data_type < 0) {
appctx->ctx.cli.msg = "Unknown data type\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
if (!px->table.data_ofs[data_type]) {
appctx->ctx.cli.msg = "Data type not stored in this table\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
if (!*args[cur_arg+1] || strl2llrc(args[cur_arg+1], strlen(args[cur_arg+1]), &value) != 0) {
appctx->ctx.cli.msg = "Require a valid integer value to store\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
ptr = stktable_data_ptr(&px->table, ts, data_type);
switch (stktable_data_types[data_type].std_type) {
case STD_T_SINT:
stktable_data_cast(ptr, std_t_sint) = value;
break;
case STD_T_UINT:
stktable_data_cast(ptr, std_t_uint) = value;
break;
case STD_T_ULL:
stktable_data_cast(ptr, std_t_ull) = value;
break;
case STD_T_FRQP:
/* We set both the current and previous values. That way
* the reported frequency is stable during all the period
* then slowly fades out. This allows external tools to
* push measures without having to update them too often.
*/
frqp = &stktable_data_cast(ptr, std_t_frqp);
frqp->curr_tick = now_ms;
frqp->prev_ctr = 0;
frqp->curr_ctr = value;
break;
}
}
break;
default:
appctx->ctx.cli.msg = "Unknown action\n";
appctx->st0 = STAT_CLI_PRINT;
break;
}
}
static void stats_sock_table_data_request(struct stream_interface *si, char **args, int action)
{
struct appctx *appctx = __objt_appctx(si->end);
if (action != STAT_CLI_O_TAB && action != STAT_CLI_O_CLR) {
appctx->ctx.cli.msg = "content-based lookup is only supported with the \"show\" and \"clear\" actions";
appctx->st0 = STAT_CLI_PRINT;
return;
}
/* condition on stored data value */
appctx->ctx.table.data_type = stktable_get_data_type(args[3] + 5);
if (appctx->ctx.table.data_type < 0) {
appctx->ctx.cli.msg = "Unknown data type\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
if (!((struct proxy *)appctx->ctx.table.target)->table.data_ofs[appctx->ctx.table.data_type]) {
appctx->ctx.cli.msg = "Data type not stored in this table\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
appctx->ctx.table.data_op = get_std_op(args[4]);
if (appctx->ctx.table.data_op < 0) {
appctx->ctx.cli.msg = "Require and operator among \"eq\", \"ne\", \"le\", \"ge\", \"lt\", \"gt\"\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
if (!*args[5] || strl2llrc(args[5], strlen(args[5]), &appctx->ctx.table.value) != 0) {
appctx->ctx.cli.msg = "Require a valid integer value to compare against\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
}
static void stats_sock_table_request(struct stream_interface *si, char **args, int action)
{
struct appctx *appctx = __objt_appctx(si->end);
appctx->ctx.table.data_type = -1;
appctx->st2 = STAT_ST_INIT;
appctx->ctx.table.target = NULL;
appctx->ctx.table.proxy = NULL;
appctx->ctx.table.entry = NULL;
appctx->st0 = action;
if (*args[2]) {
appctx->ctx.table.target = find_stktable(args[2]);
if (!appctx->ctx.table.target) {
appctx->ctx.cli.msg = "No such table\n";
appctx->st0 = STAT_CLI_PRINT;
return;
}
}
else {
if (action != STAT_CLI_O_TAB)
goto err_args;
return;
}
if (strcmp(args[3], "key") == 0)
stats_sock_table_key_request(si, args, action);
else if (strncmp(args[3], "data.", 5) == 0)
stats_sock_table_data_request(si, args, action);
else if (*args[3])
goto err_args;
return;
err_args:
switch (action) {
case STAT_CLI_O_TAB:
appctx->ctx.cli.msg = "Optional argument only supports \"data.<store_data_type>\" <operator> <value> and key <key>\n";
break;
case STAT_CLI_O_CLR:
appctx->ctx.cli.msg = "Required arguments: <table> \"data.<store_data_type>\" <operator> <value> or <table> key <key>\n";
break;
default:
appctx->ctx.cli.msg = "Unknown action\n";
break;
}
appctx->st0 = STAT_CLI_PRINT;
}
/* Expects to find a frontend named <arg> and returns it, otherwise displays various
* adequate error messages and returns NULL. This function also expects the session
* level to be admin.
*/
static struct proxy *expect_frontend_admin(struct session *s, struct stream_interface *si, const char *arg)
{
struct appctx *appctx = __objt_appctx(si->end);
struct proxy *px;
if (s->listener->bind_conf->level < ACCESS_LVL_ADMIN) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return NULL;
}
if (!*arg) {
appctx->ctx.cli.msg = "A frontend name is expected.\n";
appctx->st0 = STAT_CLI_PRINT;
return NULL;
}
px = findproxy(arg, PR_CAP_FE);
if (!px) {
appctx->ctx.cli.msg = "No such frontend.\n";
appctx->st0 = STAT_CLI_PRINT;
return NULL;
}
return px;
}
/* Expects to find a backend and a server in <arg> under the form <backend>/<server>,
* and returns the pointer to the server. Otherwise, display adequate error messages
* and returns NULL. This function also expects the session level to be admin. Note:
* the <arg> is modified to remove the '/'.
*/
static struct server *expect_server_admin(struct session *s, struct stream_interface *si, char *arg)
{
struct appctx *appctx = __objt_appctx(si->end);
struct proxy *px;
struct server *sv;
char *line;
if (s->listener->bind_conf->level < ACCESS_LVL_ADMIN) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return NULL;
}
/* split "backend/server" and make <line> point to server */
for (line = arg; *line; line++)
if (*line == '/') {
*line++ = '\0';
break;
}
if (!*line || !*arg) {
appctx->ctx.cli.msg = "Require 'backend/server'.\n";
appctx->st0 = STAT_CLI_PRINT;
return NULL;
}
if (!get_backend_server(arg, line, &px, &sv)) {
appctx->ctx.cli.msg = px ? "No such server.\n" : "No such backend.\n";
appctx->st0 = STAT_CLI_PRINT;
return NULL;
}
if (px->state == PR_STSTOPPED) {
appctx->ctx.cli.msg = "Proxy is disabled.\n";
appctx->st0 = STAT_CLI_PRINT;
return NULL;
}
return sv;
}
/* This function is used with map and acl management. It permits to browse
* each reference. The variable <getnext> must contain the current node,
* <end> point to the root node and the <flags> permit to filter required
* nodes.
*/
static inline
struct pat_ref *pat_list_get_next(struct pat_ref *getnext, struct list *end,
unsigned int flags)
{
struct pat_ref *ref = getnext;
while (1) {
/* Get next list entry. */
ref = LIST_NEXT(&ref->list, struct pat_ref *, list);
/* If the entry is the last of the list, return NULL. */
if (&ref->list == end)
return NULL;
/* If the entry match the flag, return it. */
if (ref->flags & flags)
return ref;
}
}
static inline
struct pat_ref *pat_ref_lookup_ref(const char *reference)
{
int id;
char *error;
/* If the reference starts by a '#', this is numeric id. */
if (reference[0] == '#') {
/* Try to convert the numeric id. If the conversion fails, the lookup fails. */
id = strtol(reference + 1, &error, 10);
if (*error != '\0')
return NULL;
/* Perform the unique id lookup. */
return pat_ref_lookupid(id);
}
/* Perform the string lookup. */
return pat_ref_lookup(reference);
}
/* This function is used with map and acl management. It permits to browse
* each reference.
*/
static inline
struct pattern_expr *pat_expr_get_next(struct pattern_expr *getnext, struct list *end)
{
struct pattern_expr *expr;
expr = LIST_NEXT(&getnext->list, struct pattern_expr *, list);
if (&expr->list == end)
return NULL;
return expr;
}
/* Processes the stats interpreter on the statistics socket. This function is
* called from an applet running in a stream interface. The function returns 1
* if the request was understood, otherwise zero. It sets appctx->st0 to a value
* designating the function which will have to process the request, which can
* also be the print function to display the return message set into cli.msg.
*/
static int stats_sock_parse_request(struct stream_interface *si, char *line)
{
struct session *s = session_from_task(si->owner);
struct appctx *appctx = __objt_appctx(si->end);
char *args[MAX_STATS_ARGS + 1];
int arg;
int i, j;
while (isspace((unsigned char)*line))
line++;
arg = 0;
args[arg] = line;
while (*line && arg < MAX_STATS_ARGS) {
if (*line == '\\') {
line++;
if (*line == '\0')
break;
}
else if (isspace((unsigned char)*line)) {
*line++ = '\0';
while (isspace((unsigned char)*line))
line++;
args[++arg] = line;
continue;
}
line++;
}
while (++arg <= MAX_STATS_ARGS)
args[arg] = line;
/* remove \ */
arg = 0;
while (*args[arg] != '\0') {
j = 0;
for (i=0; args[arg][i] != '\0'; i++) {
if (args[arg][i] == '\\')
continue;
args[arg][j] = args[arg][i];
j++;
}
args[arg][j] = '\0';
arg++;
}
appctx->ctx.stats.flags = 0;
if (strcmp(args[0], "show") == 0) {
if (strcmp(args[1], "stat") == 0) {
if (*args[2] && *args[3] && *args[4]) {
appctx->ctx.stats.flags |= STAT_BOUND;
appctx->ctx.stats.iid = atoi(args[2]);
appctx->ctx.stats.type = atoi(args[3]);
appctx->ctx.stats.sid = atoi(args[4]);
}
appctx->st2 = STAT_ST_INIT;
appctx->st0 = STAT_CLI_O_STAT; // stats_dump_stat_to_buffer
}
else if (strcmp(args[1], "info") == 0) {
appctx->st2 = STAT_ST_INIT;
appctx->st0 = STAT_CLI_O_INFO; // stats_dump_info_to_buffer
}
else if (strcmp(args[1], "pools") == 0) {
appctx->st2 = STAT_ST_INIT;
appctx->st0 = STAT_CLI_O_POOLS; // stats_dump_pools_to_buffer
}
else if (strcmp(args[1], "sess") == 0) {
appctx->st2 = STAT_ST_INIT;
if (s->listener->bind_conf->level < ACCESS_LVL_OPER) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (*args[2] && strcmp(args[2], "all") == 0)
appctx->ctx.sess.target = (void *)-1;
else if (*args[2])
appctx->ctx.sess.target = (void *)strtoul(args[2], NULL, 0);
else
appctx->ctx.sess.target = NULL;
appctx->ctx.sess.section = 0; /* start with session status */
appctx->ctx.sess.pos = 0;
appctx->st0 = STAT_CLI_O_SESS; // stats_dump_sess_to_buffer
}
else if (strcmp(args[1], "errors") == 0) {
if (s->listener->bind_conf->level < ACCESS_LVL_OPER) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (*args[2])
appctx->ctx.errors.iid = atoi(args[2]);
else
appctx->ctx.errors.iid = -1;
appctx->ctx.errors.px = NULL;
appctx->st2 = STAT_ST_INIT;
appctx->st0 = STAT_CLI_O_ERR; // stats_dump_errors_to_buffer
}
else if (strcmp(args[1], "table") == 0) {
stats_sock_table_request(si, args, STAT_CLI_O_TAB);
}
else if (strcmp(args[1], "map") == 0 ||
strcmp(args[1], "acl") == 0) {
/* Set ACL or MAP flags. */
if (args[1][0] == 'm')
appctx->ctx.map.display_flags = PAT_REF_MAP;
else
appctx->ctx.map.display_flags = PAT_REF_ACL;
/* no parameter: display all map avalaible */
if (!*args[2]) {
appctx->st2 = STAT_ST_INIT;
appctx->st0 = STAT_CLI_O_PATS;
return 1;
}
/* lookup into the refs and check the map flag */
appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
if (!appctx->ctx.map.ref ||
!(appctx->ctx.map.ref->flags & appctx->ctx.map.display_flags)) {
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
else
appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
appctx->st2 = STAT_ST_INIT;
appctx->st0 = STAT_CLI_O_PAT;
}
else { /* neither "stat" nor "info" nor "sess" nor "errors" nor "table" */
return 0;
}
}
else if (strcmp(args[0], "clear") == 0) {
if (strcmp(args[1], "counters") == 0) {
struct proxy *px;
struct server *sv;
struct listener *li;
int clrall = 0;
if (strcmp(args[2], "all") == 0)
clrall = 1;
/* check permissions */
if (s->listener->bind_conf->level < ACCESS_LVL_OPER ||
(clrall && s->listener->bind_conf->level < ACCESS_LVL_ADMIN)) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
for (px = proxy; px; px = px->next) {
if (clrall) {
memset(&px->be_counters, 0, sizeof(px->be_counters));
memset(&px->fe_counters, 0, sizeof(px->fe_counters));
}
else {
px->be_counters.conn_max = 0;
px->be_counters.p.http.rps_max = 0;
px->be_counters.sps_max = 0;
px->be_counters.cps_max = 0;
px->be_counters.nbpend_max = 0;
px->fe_counters.conn_max = 0;
px->fe_counters.p.http.rps_max = 0;
px->fe_counters.sps_max = 0;
px->fe_counters.cps_max = 0;
px->fe_counters.nbpend_max = 0;
}
for (sv = px->srv; sv; sv = sv->next)
if (clrall)
memset(&sv->counters, 0, sizeof(sv->counters));
else {
sv->counters.cur_sess_max = 0;
sv->counters.nbpend_max = 0;
sv->counters.sps_max = 0;
}
list_for_each_entry(li, &px->conf.listeners, by_fe)
if (li->counters) {
if (clrall)
memset(li->counters, 0, sizeof(*li->counters));
else
li->counters->conn_max = 0;
}
}
global.cps_max = 0;
global.sps_max = 0;
return 1;
}
else if (strcmp(args[1], "table") == 0) {
stats_sock_table_request(si, args, STAT_CLI_O_CLR);
/* end of processing */
return 1;
}
else if (strcmp(args[1], "map") == 0 || strcmp(args[1], "acl") == 0) {
/* Set ACL or MAP flags. */
if (args[1][0] == 'm')
appctx->ctx.map.display_flags = PAT_REF_MAP;
else
appctx->ctx.map.display_flags = PAT_REF_ACL;
/* no parameter */
if (!*args[2]) {
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
appctx->ctx.cli.msg = "Missing map identifier.\n";
else
appctx->ctx.cli.msg = "Missing ACL identifier.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* lookup into the refs and check the map flag */
appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
if (!appctx->ctx.map.ref ||
!(appctx->ctx.map.ref->flags & appctx->ctx.map.display_flags)) {
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
else
appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* Clear all. */
pat_ref_prune(appctx->ctx.map.ref);
/* return response */
appctx->ctx.cli.msg = "Done.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
else {
/* unknown "clear" argument */
return 0;
}
}
else if (strcmp(args[0], "get") == 0) {
if (strcmp(args[1], "weight") == 0) {
struct proxy *px;
struct server *sv;
/* split "backend/server" and make <line> point to server */
for (line = args[2]; *line; line++)
if (*line == '/') {
*line++ = '\0';
break;
}
if (!*line) {
appctx->ctx.cli.msg = "Require 'backend/server'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!get_backend_server(args[2], line, &px, &sv)) {
appctx->ctx.cli.msg = px ? "No such server.\n" : "No such backend.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* return server's effective weight at the moment */
snprintf(trash.str, trash.size, "%d (initial %d)\n", sv->uweight, sv->iweight);
bi_putstr(si->ib, trash.str);
return 1;
}
else if (strcmp(args[1], "map") == 0 || strcmp(args[1], "acl") == 0) {
/* Set flags. */
if (args[1][0] == 'm')
appctx->ctx.map.display_flags = PAT_REF_MAP;
else
appctx->ctx.map.display_flags = PAT_REF_ACL;
/* No parameter. */
if (!*args[2] || !*args[3]) {
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
appctx->ctx.cli.msg = "Missing map identifier and/or key.\n";
else
appctx->ctx.cli.msg = "Missing ACL identifier and/or key.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* lookup into the maps */
appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
if (!appctx->ctx.map.ref) {
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
else
appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* copy input string. The string must be allocated because
* it may be used over multiple iterations. It's released
* at the end and upon abort anyway.
*/
appctx->ctx.map.chunk.len = strlen(args[3]);
appctx->ctx.map.chunk.size = appctx->ctx.map.chunk.len + 1;
appctx->ctx.map.chunk.str = strdup(args[3]);
if (!appctx->ctx.map.chunk.str) {
appctx->ctx.cli.msg = "Out of memory error.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* prepare response */
appctx->st2 = STAT_ST_INIT;
appctx->st0 = STAT_CLI_O_MLOOK;
}
else { /* not "get weight" */
return 0;
}
}
else if (strcmp(args[0], "set") == 0) {
if (strcmp(args[1], "weight") == 0) {
struct server *sv;
const char *warning;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
warning = server_parse_weight_change_request(sv, args[3]);
if (warning) {
appctx->ctx.cli.msg = warning;
appctx->st0 = STAT_CLI_PRINT;
}
return 1;
}
else if (strcmp(args[1], "server") == 0) {
struct server *sv;
const char *warning;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
if (strcmp(args[3], "weight") == 0) {
warning = server_parse_weight_change_request(sv, args[4]);
if (warning) {
appctx->ctx.cli.msg = warning;
appctx->st0 = STAT_CLI_PRINT;
}
}
else if (strcmp(args[3], "state") == 0) {
if (strcmp(args[4], "ready") == 0)
srv_adm_set_ready(sv);
else if (strcmp(args[4], "drain") == 0)
srv_adm_set_drain(sv);
else if (strcmp(args[4], "maint") == 0)
srv_adm_set_maint(sv);
else {
appctx->ctx.cli.msg = "'set server <srv> state' expects 'ready', 'drain' and 'maint'.\n";
appctx->st0 = STAT_CLI_PRINT;
}
}
else if (strcmp(args[3], "health") == 0) {
if (sv->track) {
appctx->ctx.cli.msg = "cannot change health on a tracking server.\n";
appctx->st0 = STAT_CLI_PRINT;
}
else if (strcmp(args[4], "up") == 0) {
sv->check.health = sv->check.rise + sv->check.fall - 1;
srv_set_running(sv, "changed from CLI");
}
else if (strcmp(args[4], "stopping") == 0) {
sv->check.health = sv->check.rise + sv->check.fall - 1;
srv_set_stopping(sv, "changed from CLI");
}
else if (strcmp(args[4], "down") == 0) {
sv->check.health = 0;
srv_set_stopped(sv, "changed from CLI");
}
else {
appctx->ctx.cli.msg = "'set server <srv> health' expects 'up', 'stopping', or 'down'.\n";
appctx->st0 = STAT_CLI_PRINT;
}
}
else if (strcmp(args[3], "agent") == 0) {
if (!(sv->agent.state & CHK_ST_ENABLED)) {
appctx->ctx.cli.msg = "agent checks are not enabled on this server.\n";
appctx->st0 = STAT_CLI_PRINT;
}
else if (strcmp(args[4], "up") == 0) {
sv->agent.health = sv->agent.rise + sv->agent.fall - 1;
srv_set_running(sv, "changed from CLI");
}
else if (strcmp(args[4], "down") == 0) {
sv->agent.health = 0;
srv_set_stopped(sv, "changed from CLI");
}
else {
appctx->ctx.cli.msg = "'set server <srv> agent' expects 'up' or 'down'.\n";
appctx->st0 = STAT_CLI_PRINT;
}
}
else {
appctx->ctx.cli.msg = "'set server <srv>' only supports 'agent', 'health', 'state' and 'weight'.\n";
appctx->st0 = STAT_CLI_PRINT;
}
return 1;
}
else if (strcmp(args[1], "timeout") == 0) {
if (strcmp(args[2], "cli") == 0) {
unsigned timeout;
const char *res;
if (!*args[3]) {
appctx->ctx.cli.msg = "Expects an integer value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
res = parse_time_err(args[3], &timeout, TIME_UNIT_S);
if (res || timeout < 1) {
appctx->ctx.cli.msg = "Invalid timeout value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
s->req->rto = s->rep->wto = 1 + MS_TO_TICKS(timeout*1000);
return 1;
}
else {
appctx->ctx.cli.msg = "'set timeout' only supports 'cli'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[1], "maxconn") == 0) {
if (strcmp(args[2], "frontend") == 0) {
struct proxy *px;
struct listener *l;
int v;
px = expect_frontend_admin(s, si, args[3]);
if (!px)
return 1;
if (!*args[4]) {
appctx->ctx.cli.msg = "Integer value expected.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
v = atoi(args[4]);
if (v < 0) {
appctx->ctx.cli.msg = "Value out of range.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* OK, the value is fine, so we assign it to the proxy and to all of
* its listeners. The blocked ones will be dequeued.
*/
px->maxconn = v;
list_for_each_entry(l, &px->conf.listeners, by_fe) {
l->maxconn = v;
if (l->state == LI_FULL)
resume_listener(l);
}
if (px->maxconn > px->feconn && !LIST_ISEMPTY(&s->fe->listener_queue))
dequeue_all_listeners(&s->fe->listener_queue);
return 1;
}
else if (strcmp(args[2], "global") == 0) {
int v;
if (s->listener->bind_conf->level < ACCESS_LVL_ADMIN) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!*args[3]) {
appctx->ctx.cli.msg = "Expects an integer value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
v = atoi(args[3]);
if (v > global.hardmaxconn) {
appctx->ctx.cli.msg = "Value out of range.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* check for unlimited values */
if (v <= 0)
v = global.hardmaxconn;
global.maxconn = v;
/* Dequeues all of the listeners waiting for a resource */
if (!LIST_ISEMPTY(&global_listener_queue))
dequeue_all_listeners(&global_listener_queue);
return 1;
}
else {
appctx->ctx.cli.msg = "'set maxconn' only supports 'frontend' and 'global'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[1], "rate-limit") == 0) {
if (strcmp(args[2], "connections") == 0) {
if (strcmp(args[3], "global") == 0) {
int v;
if (s->listener->bind_conf->level < ACCESS_LVL_ADMIN) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!*args[4]) {
appctx->ctx.cli.msg = "Expects an integer value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
v = atoi(args[4]);
if (v < 0) {
appctx->ctx.cli.msg = "Value out of range.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
global.cps_lim = v;
/* Dequeues all of the listeners waiting for a resource */
if (!LIST_ISEMPTY(&global_listener_queue))
dequeue_all_listeners(&global_listener_queue);
return 1;
}
else {
appctx->ctx.cli.msg = "'set rate-limit connections' only supports 'global'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[2], "sessions") == 0) {
if (strcmp(args[3], "global") == 0) {
int v;
if (s->listener->bind_conf->level < ACCESS_LVL_ADMIN) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!*args[4]) {
appctx->ctx.cli.msg = "Expects an integer value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
v = atoi(args[4]);
if (v < 0) {
appctx->ctx.cli.msg = "Value out of range.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
global.sps_lim = v;
/* Dequeues all of the listeners waiting for a resource */
if (!LIST_ISEMPTY(&global_listener_queue))
dequeue_all_listeners(&global_listener_queue);
return 1;
}
else {
appctx->ctx.cli.msg = "'set rate-limit sessions' only supports 'global'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
#ifdef USE_OPENSSL
else if (strcmp(args[2], "ssl-sessions") == 0) {
if (strcmp(args[3], "global") == 0) {
int v;
if (s->listener->bind_conf->level < ACCESS_LVL_ADMIN) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!*args[4]) {
appctx->ctx.cli.msg = "Expects an integer value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
v = atoi(args[4]);
if (v < 0) {
appctx->ctx.cli.msg = "Value out of range.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
global.ssl_lim = v;
/* Dequeues all of the listeners waiting for a resource */
if (!LIST_ISEMPTY(&global_listener_queue))
dequeue_all_listeners(&global_listener_queue);
return 1;
}
else {
appctx->ctx.cli.msg = "'set rate-limit ssl-sessions' only supports 'global'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
#endif
else if (strcmp(args[2], "http-compression") == 0) {
if (strcmp(args[3], "global") == 0) {
int v;
if (!*args[4]) {
appctx->ctx.cli.msg = "Expects a maximum input byte rate in kB/s.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
v = atoi(args[4]);
global.comp_rate_lim = v * 1024; /* Kilo to bytes. */
}
else {
appctx->ctx.cli.msg = "'set rate-limit http-compression' only supports 'global'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else {
appctx->ctx.cli.msg = "'set rate-limit' supports 'connections', 'sessions', 'ssl-sessions', and 'http-compression'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[1], "table") == 0) {
stats_sock_table_request(si, args, STAT_CLI_O_SET);
}
else if (strcmp(args[1], "map") == 0) {
char *err;
/* Set flags. */
appctx->ctx.map.display_flags = PAT_REF_MAP;
/* Expect three parameters: map name, key and new value. */
if (!*args[2] || !*args[3] || !*args[4]) {
appctx->ctx.cli.msg = "'set map' expects three parameters: map identifier, key and value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* Lookup the reference in the maps. */
appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
if (!appctx->ctx.map.ref) {
appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* If the entry identifier start with a '#', it is considered as
* pointer id
*/
if (args[3][0] == '#' && args[3][1] == '0' && args[3][2] == 'x') {
struct pat_ref_elt *ref;
long long int conv;
char *error;
/* Convert argument to integer value. */
conv = strtoll(&args[3][1], &error, 16);
if (*error != '\0') {
appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* Convert and check integer to pointer. */
ref = (struct pat_ref_elt *)(long)conv;
if ((long long int)(long)ref != conv) {
appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* Try to delete the entry. */
err = NULL;
if (!pat_ref_set_by_id(appctx->ctx.map.ref, ref, args[4], &err)) {
if (err)
memprintf(&err, "%s.\n", err);
appctx->ctx.cli.err = err;
appctx->st0 = STAT_CLI_PRINT_FREE;
return 1;
}
}
else {
/* Else, use the entry identifier as pattern
* string, and update the value.
*/
err = NULL;
if (!pat_ref_set(appctx->ctx.map.ref, args[3], args[4], &err)) {
if (err)
memprintf(&err, "%s.\n", err);
appctx->ctx.cli.err = err;
appctx->st0 = STAT_CLI_PRINT_FREE;
return 1;
}
}
/* The set is done, send message. */
appctx->ctx.cli.msg = "Done.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
#ifdef USE_OPENSSL
else if (strcmp(args[1], "ssl") == 0) {
if (strcmp(args[2], "ocsp-response") == 0) {
#if (defined SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB && !defined OPENSSL_IS_BORINGSSL)
char *err = NULL;
/* Expect one parameter: the new response in base64 encoding */
if (!*args[3]) {
appctx->ctx.cli.msg = "'set ssl ocsp-response' expects response in base64 encoding.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
trash.len = base64dec(args[3], strlen(args[3]), trash.str, trash.size);
if (trash.len < 0) {
appctx->ctx.cli.msg = "'set ssl ocsp-response' received invalid base64 encoded response.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (ssl_sock_update_ocsp_response(&trash, &err)) {
if (err) {
memprintf(&err, "%s.\n", err);
appctx->ctx.cli.err = err;
appctx->st0 = STAT_CLI_PRINT_FREE;
}
return 1;
}
appctx->ctx.cli.msg = "OCSP Response updated!";
appctx->st0 = STAT_CLI_PRINT;
return 1;
#else
appctx->ctx.cli.msg = "HAProxy was compiled against a version of OpenSSL that doesn't support OCSP stapling.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
#endif
}
else {
appctx->ctx.cli.msg = "'set ssl' only supports 'ocsp-response'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
#endif
else { /* unknown "set" parameter */
return 0;
}
}
else if (strcmp(args[0], "enable") == 0) {
if (strcmp(args[1], "agent") == 0) {
struct server *sv;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
if (!(sv->agent.state & CHK_ST_CONFIGURED)) {
appctx->ctx.cli.msg = "Agent was not configured on this server, cannot enable.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
sv->agent.state |= CHK_ST_ENABLED;
return 1;
}
else if (strcmp(args[1], "health") == 0) {
struct server *sv;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
if (!(sv->check.state & CHK_ST_CONFIGURED)) {
appctx->ctx.cli.msg = "Health checks are not configured on this server, cannot enable.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
sv->check.state |= CHK_ST_ENABLED;
return 1;
}
else if (strcmp(args[1], "server") == 0) {
struct server *sv;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
srv_adm_set_ready(sv);
return 1;
}
else if (strcmp(args[1], "frontend") == 0) {
struct proxy *px;
px = expect_frontend_admin(s, si, args[2]);
if (!px)
return 1;
if (px->state == PR_STSTOPPED) {
appctx->ctx.cli.msg = "Frontend was previously shut down, cannot enable.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (px->state != PR_STPAUSED) {
appctx->ctx.cli.msg = "Frontend is already enabled.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!resume_proxy(px)) {
appctx->ctx.cli.msg = "Failed to resume frontend, check logs for precise cause (port conflict?).\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
return 1;
}
else { /* unknown "enable" parameter */
appctx->ctx.cli.msg = "'enable' only supports 'agent', 'frontend', 'health', and 'server'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[0], "disable") == 0) {
if (strcmp(args[1], "agent") == 0) {
struct server *sv;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
sv->agent.state &= ~CHK_ST_ENABLED;
return 1;
}
else if (strcmp(args[1], "health") == 0) {
struct server *sv;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
sv->check.state &= ~CHK_ST_ENABLED;
return 1;
}
else if (strcmp(args[1], "server") == 0) {
struct server *sv;
sv = expect_server_admin(s, si, args[2]);
if (!sv)
return 1;
srv_adm_set_maint(sv);
return 1;
}
else if (strcmp(args[1], "frontend") == 0) {
struct proxy *px;
px = expect_frontend_admin(s, si, args[2]);
if (!px)
return 1;
if (px->state == PR_STSTOPPED) {
appctx->ctx.cli.msg = "Frontend was previously shut down, cannot disable.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (px->state == PR_STPAUSED) {
appctx->ctx.cli.msg = "Frontend is already disabled.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!pause_proxy(px)) {
appctx->ctx.cli.msg = "Failed to pause frontend, check logs for precise cause.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
return 1;
}
else { /* unknown "disable" parameter */
appctx->ctx.cli.msg = "'disable' only supports 'agent', 'frontend', 'health', and 'server'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[0], "shutdown") == 0) {
if (strcmp(args[1], "frontend") == 0) {
struct proxy *px;
px = expect_frontend_admin(s, si, args[2]);
if (!px)
return 1;
if (px->state == PR_STSTOPPED) {
appctx->ctx.cli.msg = "Frontend was already shut down.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
Warning("Proxy %s stopped (FE: %lld conns, BE: %lld conns).\n",
px->id, px->fe_counters.cum_conn, px->be_counters.cum_conn);
send_log(px, LOG_WARNING, "Proxy %s stopped (FE: %lld conns, BE: %lld conns).\n",
px->id, px->fe_counters.cum_conn, px->be_counters.cum_conn);
stop_proxy(px);
return 1;
}
else if (strcmp(args[1], "session") == 0) {
struct session *sess, *ptr;
if (s->listener->bind_conf->level < ACCESS_LVL_ADMIN) {
appctx->ctx.cli.msg = stats_permission_denied_msg;
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
if (!*args[2]) {
appctx->ctx.cli.msg = "Session pointer expected (use 'show sess').\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
ptr = (void *)strtoul(args[2], NULL, 0);
/* first, look for the requested session in the session table */
list_for_each_entry(sess, &sessions, list) {
if (sess == ptr)
break;
}
/* do we have the session ? */
if (sess != ptr) {
appctx->ctx.cli.msg = "No such session (use 'show sess').\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
session_shutdown(sess, SN_ERR_KILLED);
return 1;
}
else if (strcmp(args[1], "sessions") == 0) {
if (strcmp(args[2], "server") == 0) {
struct server *sv;
struct session *sess, *sess_bck;
sv = expect_server_admin(s, si, args[3]);
if (!sv)
return 1;
/* kill all the session that are on this server */
list_for_each_entry_safe(sess, sess_bck, &sv->actconns, by_srv)
if (sess->srv_conn == sv)
session_shutdown(sess, SN_ERR_KILLED);
return 1;
}
else {
appctx->ctx.cli.msg = "'shutdown sessions' only supports 'server'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else { /* unknown "disable" parameter */
appctx->ctx.cli.msg = "'shutdown' only supports 'frontend', 'session' and 'sessions'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[0], "del") == 0) {
if (strcmp(args[1], "map") == 0 || strcmp(args[1], "acl") == 0) {
if (args[1][0] == 'm')
appctx->ctx.map.display_flags = PAT_REF_MAP;
else
appctx->ctx.map.display_flags = PAT_REF_ACL;
/* Expect two parameters: map name and key. */
if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
if (!*args[2] || !*args[3]) {
appctx->ctx.cli.msg = "This command expects two parameters: map identifier and key.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else {
if (!*args[2] || !*args[3]) {
appctx->ctx.cli.msg = "This command expects two parameters: ACL identifier and key.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
/* Lookup the reference in the maps. */
appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
if (!appctx->ctx.map.ref ||
!(appctx->ctx.map.ref->flags & appctx->ctx.map.display_flags)) {
appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* If the entry identifier start with a '#', it is considered as
* pointer id
*/
if (args[3][0] == '#' && args[3][1] == '0' && args[3][2] == 'x') {
struct pat_ref_elt *ref;
long long int conv;
char *error;
/* Convert argument to integer value. */
conv = strtoll(&args[3][1], &error, 16);
if (*error != '\0') {
appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* Convert and check integer to pointer. */
ref = (struct pat_ref_elt *)(long)conv;
if ((long long int)(long)ref != conv) {
appctx->ctx.cli.msg = "Malformed identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* Try to delete the entry. */
if (!pat_ref_delete_by_id(appctx->ctx.map.ref, ref)) {
/* The entry is not found, send message. */
appctx->ctx.cli.msg = "Key not found.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else {
/* Else, use the entry identifier as pattern
* string and try to delete the entry.
*/
if (!pat_ref_delete(appctx->ctx.map.ref, args[3])) {
/* The entry is not found, send message. */
appctx->ctx.cli.msg = "Key not found.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
/* The deletion is done, send message. */
appctx->ctx.cli.msg = "Done.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
else { /* unknown "del" parameter */
appctx->ctx.cli.msg = "'del' only supports 'map' or 'acl'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else if (strcmp(args[0], "add") == 0) {
if (strcmp(args[1], "map") == 0 ||
strcmp(args[1], "acl") == 0) {
int ret;
char *err;
/* Set flags. */
if (args[1][0] == 'm')
appctx->ctx.map.display_flags = PAT_REF_MAP;
else
appctx->ctx.map.display_flags = PAT_REF_ACL;
/* If the keywork is "map", we expect three parameters, if it
* is "acl", we expect only two parameters
*/
if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
if (!*args[2] || !*args[3] || !*args[4]) {
appctx->ctx.cli.msg = "'add map' expects three parameters: map identifier, key and value.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else {
if (!*args[2] || !*args[3]) {
appctx->ctx.cli.msg = "'add acl' expects two parameters: ACL identifier and pattern.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
/* Lookup for the reference. */
appctx->ctx.map.ref = pat_ref_lookup_ref(args[2]);
if (!appctx->ctx.map.ref) {
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
appctx->ctx.cli.msg = "Unknown map identifier. Please use #<id> or <file>.\n";
else
appctx->ctx.cli.msg = "Unknown ACL identifier. Please use #<id> or <file>.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* The command "add acl" is prohibited if the reference
* use samples.
*/
if ((appctx->ctx.map.display_flags & PAT_REF_ACL) &&
(appctx->ctx.map.ref->flags & PAT_REF_SMP)) {
appctx->ctx.cli.msg = "This ACL is shared with a map containing samples. "
"You must use the command 'add map' to add values.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
/* Add value. */
err = NULL;
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
ret = pat_ref_add(appctx->ctx.map.ref, args[3], args[4], &err);
else
ret = pat_ref_add(appctx->ctx.map.ref, args[3], NULL, &err);
if (!ret) {
if (err)
memprintf(&err, "%s.\n", err);
appctx->ctx.cli.err = err;
appctx->st0 = STAT_CLI_PRINT_FREE;
return 1;
}
/* The add is done, send message. */
appctx->ctx.cli.msg = "Done.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
else { /* unknown "del" parameter */
appctx->ctx.cli.msg = "'add' only supports 'map'.\n";
appctx->st0 = STAT_CLI_PRINT;
return 1;
}
}
else { /* not "show" nor "clear" nor "get" nor "set" nor "enable" nor "disable" */
return 0;
}
return 1;
}
/* This I/O handler runs as an applet embedded in a stream interface. It is
* used to processes I/O from/to the stats unix socket. The system relies on a
* state machine handling requests and various responses. We read a request,
* then we process it and send the response, and we possibly display a prompt.
* Then we can read again. The state is stored in appctx->st0 and is one of the
* STAT_CLI_* constants. appctx->st1 is used to indicate whether prompt is enabled
* or not.
*/
static void cli_io_handler(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
struct channel *req = si->ob;
struct channel *res = si->ib;
int reql;
int len;
if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
goto out;
while (1) {
if (appctx->st0 == STAT_CLI_INIT) {
/* Stats output not initialized yet */
memset(&appctx->ctx.stats, 0, sizeof(appctx->ctx.stats));
appctx->st0 = STAT_CLI_GETREQ;
}
else if (appctx->st0 == STAT_CLI_END) {
/* Let's close for real now. We just close the request
* side, the conditions below will complete if needed.
*/
si_shutw(si);
break;
}
else if (appctx->st0 == STAT_CLI_GETREQ) {
/* ensure we have some output room left in the event we
* would want to return some info right after parsing.
*/
if (buffer_almost_full(si->ib->buf)) {
si->ib->flags |= CF_WAKE_WRITE;
break;
}
reql = bo_getline(si->ob, trash.str, trash.size);
if (reql <= 0) { /* closed or EOL not found */
if (reql == 0)
break;
appctx->st0 = STAT_CLI_END;
continue;
}
/* seek for a possible semi-colon. If we find one, we
* replace it with an LF and skip only this part.
*/
for (len = 0; len < reql; len++)
if (trash.str[len] == ';') {
trash.str[len] = '\n';
reql = len + 1;
break;
}
/* now it is time to check that we have a full line,
* remove the trailing \n and possibly \r, then cut the
* line.
*/
len = reql - 1;
if (trash.str[len] != '\n') {
appctx->st0 = STAT_CLI_END;
continue;
}
if (len && trash.str[len-1] == '\r')
len--;
trash.str[len] = '\0';
appctx->st0 = STAT_CLI_PROMPT;
if (len) {
if (strcmp(trash.str, "quit") == 0) {
appctx->st0 = STAT_CLI_END;
continue;
}
else if (strcmp(trash.str, "prompt") == 0)
appctx->st1 = !appctx->st1;
else if (strcmp(trash.str, "help") == 0 ||
!stats_sock_parse_request(si, trash.str)) {
appctx->ctx.cli.msg = stats_sock_usage_msg;
appctx->st0 = STAT_CLI_PRINT;
}
/* NB: stats_sock_parse_request() may have put
* another STAT_CLI_O_* into appctx->st0.
*/
}
else if (!appctx->st1) {
/* if prompt is disabled, print help on empty lines,
* so that the user at least knows how to enable
* prompt and find help.
*/
appctx->ctx.cli.msg = stats_sock_usage_msg;
appctx->st0 = STAT_CLI_PRINT;
}
/* re-adjust req buffer */
bo_skip(si->ob, reql);
req->flags |= CF_READ_DONTWAIT; /* we plan to read small requests */
}
else { /* output functions: first check if the output buffer is closed then abort */
if (res->flags & (CF_SHUTR_NOW|CF_SHUTR)) {
appctx->st0 = STAT_CLI_END;
continue;
}
switch (appctx->st0) {
case STAT_CLI_PRINT:
if (bi_putstr(si->ib, appctx->ctx.cli.msg) != -1)
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_PRINT_FREE:
if (bi_putstr(si->ib, appctx->ctx.cli.err) != -1) {
free(appctx->ctx.cli.err);
appctx->st0 = STAT_CLI_PROMPT;
}
break;
case STAT_CLI_O_INFO:
if (stats_dump_info_to_buffer(si))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_STAT:
if (stats_dump_stat_to_buffer(si, NULL))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_SESS:
if (stats_dump_sess_to_buffer(si))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_ERR: /* errors dump */
if (stats_dump_errors_to_buffer(si))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_TAB:
case STAT_CLI_O_CLR:
if (stats_table_request(si, appctx->st0))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_PATS:
if (stats_pats_list(si))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_PAT:
if (stats_pat_list(si))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_MLOOK:
if (stats_map_lookup(si))
appctx->st0 = STAT_CLI_PROMPT;
break;
case STAT_CLI_O_POOLS:
if (stats_dump_pools_to_buffer(si))
appctx->st0 = STAT_CLI_PROMPT;
break;
default: /* abnormal state */
appctx->st0 = STAT_CLI_PROMPT;
break;
}
/* The post-command prompt is either LF alone or LF + '> ' in interactive mode */
if (appctx->st0 == STAT_CLI_PROMPT) {
if (bi_putstr(si->ib, appctx->st1 ? "\n> " : "\n") != -1)
appctx->st0 = STAT_CLI_GETREQ;
}
/* If the output functions are still there, it means they require more room. */
if (appctx->st0 >= STAT_CLI_OUTPUT)
break;
/* Now we close the output if one of the writers did so,
* or if we're not in interactive mode and the request
* buffer is empty. This still allows pipelined requests
* to be sent in non-interactive mode.
*/
if ((res->flags & (CF_SHUTW|CF_SHUTW_NOW)) || (!appctx->st1 && !req->buf->o)) {
appctx->st0 = STAT_CLI_END;
continue;
}
/* switch state back to GETREQ to read next requests */
appctx->st0 = STAT_CLI_GETREQ;
}
}
if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST) && (appctx->st0 != STAT_CLI_GETREQ)) {
DPRINTF(stderr, "%s@%d: si to buf closed. req=%08x, res=%08x, st=%d\n",
__FUNCTION__, __LINE__, req->flags, res->flags, si->state);
/* Other side has closed, let's abort if we have no more processing to do
* and nothing more to consume. This is comparable to a broken pipe, so
* we forward the close to the request side so that it flows upstream to
* the client.
*/
si_shutw(si);
}
if ((req->flags & CF_SHUTW) && (si->state == SI_ST_EST) && (appctx->st0 < STAT_CLI_OUTPUT)) {
DPRINTF(stderr, "%s@%d: buf to si closed. req=%08x, res=%08x, st=%d\n",
__FUNCTION__, __LINE__, req->flags, res->flags, si->state);
/* We have no more processing to do, and nothing more to send, and
* the client side has closed. So we'll forward this state downstream
* on the response buffer.
*/
si_shutr(si);
res->flags |= CF_READ_NULL;
}
/* update all other flags and resync with the other side */
si_update(si);
/* we don't want to expire timeouts while we're processing requests */
si->ib->rex = TICK_ETERNITY;
si->ob->wex = TICK_ETERNITY;
out:
DPRINTF(stderr, "%s@%d: st=%d, rqf=%x, rpf=%x, rqh=%d, rqs=%d, rh=%d, rs=%d\n",
__FUNCTION__, __LINE__,
si->state, req->flags, res->flags, req->buf->i, req->buf->o, res->buf->i, res->buf->o);
if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) {
/* check that we have released everything then unregister */
stream_int_unregister_handler(si);
}
}
/* This function dumps information onto the stream interface's read buffer.
* It returns 0 as long as it does not complete, non-zero upon completion.
* No state is used.
*/
static int stats_dump_info_to_buffer(struct stream_interface *si)
{
unsigned int up = (now.tv_sec - start_date.tv_sec);
#ifdef USE_OPENSSL
int ssl_sess_rate = read_freq_ctr(&global.ssl_per_sec);
int ssl_key_rate = read_freq_ctr(&global.ssl_fe_keys_per_sec);
int ssl_reuse = 0;
if (ssl_key_rate < ssl_sess_rate) {
/* count the ssl reuse ratio and avoid overflows in both directions */
ssl_reuse = 100 - (100 * ssl_key_rate + (ssl_sess_rate - 1) / 2) / ssl_sess_rate;
}
#endif
chunk_printf(&trash,
"Name: " PRODUCT_NAME "\n"
"Version: " HAPROXY_VERSION "\n"
"Release_date: " HAPROXY_DATE "\n"
"Nbproc: %d\n"
"Process_num: %d\n"
"Pid: %d\n"
"Uptime: %dd %dh%02dm%02ds\n"
"Uptime_sec: %d\n"
"Memmax_MB: %d\n"
"Ulimit-n: %d\n"
"Maxsock: %d\n"
"Maxconn: %d\n"
"Hard_maxconn: %d\n"
"CurrConns: %d\n"
"CumConns: %d\n"
"CumReq: %d\n"
#ifdef USE_OPENSSL
"MaxSslConns: %d\n"
"CurrSslConns: %d\n"
"CumSslConns: %d\n"
#endif
"Maxpipes: %d\n"
"PipesUsed: %d\n"
"PipesFree: %d\n"
"ConnRate: %d\n"
"ConnRateLimit: %d\n"
"MaxConnRate: %d\n"
"SessRate: %d\n"
"SessRateLimit: %d\n"
"MaxSessRate: %d\n"
#ifdef USE_OPENSSL
"SslRate: %d\n"
"SslRateLimit: %d\n"
"MaxSslRate: %d\n"
"SslFrontendKeyRate: %d\n"
"SslFrontendMaxKeyRate: %d\n"
"SslFrontendSessionReuse_pct: %d\n"
"SslBackendKeyRate: %d\n"
"SslBackendMaxKeyRate: %d\n"
"SslCacheLookups: %u\n"
"SslCacheMisses: %u\n"
#endif
"CompressBpsIn: %u\n"
"CompressBpsOut: %u\n"
"CompressBpsRateLim: %u\n"
#ifdef USE_ZLIB
"ZlibMemUsage: %ld\n"
"MaxZlibMemUsage: %ld\n"
#endif
"Tasks: %d\n"
"Run_queue: %d\n"
"Idle_pct: %d\n"
"node: %s\n"
"description: %s\n"
"",
global.nbproc,
relative_pid,
pid,
up / 86400, (up % 86400) / 3600, (up % 3600) / 60, (up % 60),
up,
global.rlimit_memmax,
global.rlimit_nofile,
global.maxsock, global.maxconn, global.hardmaxconn,
actconn, totalconn, global.req_count,
#ifdef USE_OPENSSL
global.maxsslconn, sslconns, totalsslconns,
#endif
global.maxpipes, pipes_used, pipes_free,
read_freq_ctr(&global.conn_per_sec), global.cps_lim, global.cps_max,
read_freq_ctr(&global.sess_per_sec), global.sps_lim, global.sps_max,
#ifdef USE_OPENSSL
ssl_sess_rate, global.ssl_lim, global.ssl_max,
ssl_key_rate, global.ssl_fe_keys_max,
ssl_reuse,
read_freq_ctr(&global.ssl_be_keys_per_sec), global.ssl_be_keys_max,
global.shctx_lookups, global.shctx_misses,
#endif
read_freq_ctr(&global.comp_bps_in), read_freq_ctr(&global.comp_bps_out),
global.comp_rate_lim,
#ifdef USE_ZLIB
zlib_used_memory, global.maxzlibmem,
#endif
nb_tasks_cur, run_queue_cur, idle_pct,
global.node, global.desc ? global.desc : ""
);
if (bi_putchk(si->ib, &trash) == -1)
return 0;
return 1;
}
/* This function dumps memory usage information onto the stream interface's
* read buffer. It returns 0 as long as it does not complete, non-zero upon
* completion. No state is used.
*/
static int stats_dump_pools_to_buffer(struct stream_interface *si)
{
dump_pools_to_trash();
if (bi_putchk(si->ib, &trash) == -1)
return 0;
return 1;
}
/* Dumps a frontend's line to the trash for the current proxy <px> and uses
* the state from stream interface <si>. The caller is responsible for clearing
* the trash if needed. Returns non-zero if it emits anything, zero otherwise.
*/
static int stats_dump_fe_stats(struct stream_interface *si, struct proxy *px)
{
struct appctx *appctx = __objt_appctx(si->end);
int i;
if (!(px->cap & PR_CAP_FE))
return 0;
if ((appctx->ctx.stats.flags & STAT_BOUND) && !(appctx->ctx.stats.type & (1 << STATS_TYPE_FE)))
return 0;
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
chunk_appendf(&trash,
/* name, queue */
"<tr class=\"frontend\">");
if (px->cap & PR_CAP_BE && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* Column sub-heading for Enable or Disable server */
chunk_appendf(&trash, "<td></td>");
}
chunk_appendf(&trash,
"<td class=ac>"
"<a name=\"%s/Frontend\"></a>"
"<a class=lfsb href=\"#%s/Frontend\">Frontend</a></td>"
"<td colspan=3></td>"
"",
px->id, px->id);
chunk_appendf(&trash,
/* sessions rate : current */
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Current connection rate:</th><td>%s/s</td></tr>"
"<tr><th>Current session rate:</th><td>%s/s</td></tr>"
"",
U2H(read_freq_ctr(&px->fe_sess_per_sec)),
U2H(read_freq_ctr(&px->fe_conn_per_sec)),
U2H(read_freq_ctr(&px->fe_sess_per_sec)));
if (px->mode == PR_MODE_HTTP)
chunk_appendf(&trash,
"<tr><th>Current request rate:</th><td>%s/s</td></tr>",
U2H(read_freq_ctr(&px->fe_req_per_sec)));
chunk_appendf(&trash,
"</table></div></u></td>"
/* sessions rate : max */
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Max connection rate:</th><td>%s/s</td></tr>"
"<tr><th>Max session rate:</th><td>%s/s</td></tr>"
"",
U2H(px->fe_counters.sps_max),
U2H(px->fe_counters.cps_max),
U2H(px->fe_counters.sps_max));
if (px->mode == PR_MODE_HTTP)
chunk_appendf(&trash,
"<tr><th>Max request rate:</th><td>%s/s</td></tr>",
U2H(px->fe_counters.p.http.rps_max));
chunk_appendf(&trash,
"</table></div></u></td>"
/* sessions rate : limit */
"<td>%s</td>",
LIM2A(px->fe_sps_lim, "-"));
chunk_appendf(&trash,
/* sessions: current, max, limit, total */
"<td>%s</td><td>%s</td><td>%s</td>"
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Cum. connections:</th><td>%s</td></tr>"
"<tr><th>Cum. sessions:</th><td>%s</td></tr>"
"",
U2H(px->feconn), U2H(px->fe_counters.conn_max), U2H(px->maxconn),
U2H(px->fe_counters.cum_sess),
U2H(px->fe_counters.cum_conn),
U2H(px->fe_counters.cum_sess));
/* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (px->mode == PR_MODE_HTTP) {
chunk_appendf(&trash,
"<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
"<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
"<tr><th>&nbsp;&nbsp;Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
"<tr><th>- other responses:</th><td>%s</td></tr>"
"<tr><th>Intercepted requests:</th><td>%s</td></tr>"
"",
U2H(px->fe_counters.p.http.cum_req),
U2H(px->fe_counters.p.http.rsp[1]),
U2H(px->fe_counters.p.http.rsp[2]),
U2H(px->fe_counters.p.http.comp_rsp),
px->fe_counters.p.http.rsp[2] ?
(int)(100*px->fe_counters.p.http.comp_rsp/px->fe_counters.p.http.rsp[2]) : 0,
U2H(px->fe_counters.p.http.rsp[3]),
U2H(px->fe_counters.p.http.rsp[4]),
U2H(px->fe_counters.p.http.rsp[5]),
U2H(px->fe_counters.p.http.rsp[0]),
U2H(px->fe_counters.intercepted_req));
}
chunk_appendf(&trash,
"</table></div></u></td>"
/* sessions: lbtot, lastsess */
"<td></td><td></td>"
/* bytes : in */
"<td>%s</td>"
"",
U2H(px->fe_counters.bytes_in));
chunk_appendf(&trash,
/* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
"<td>%s%s<div class=tips>compression: in=%lld out=%lld bypassed=%lld savings=%d%%</div>%s</td>",
(px->fe_counters.comp_in || px->fe_counters.comp_byp) ? "<u>":"",
U2H(px->fe_counters.bytes_out),
px->fe_counters.comp_in, px->fe_counters.comp_out, px->fe_counters.comp_byp,
px->fe_counters.comp_in ?
(int)((px->fe_counters.comp_in - px->fe_counters.comp_out)*100/px->fe_counters.comp_in) : 0,
(px->fe_counters.comp_in || px->fe_counters.comp_byp) ? "</u>":"");
chunk_appendf(&trash,
/* denied: req, resp */
"<td>%s</td><td>%s</td>"
/* errors : request, connect, response */
"<td>%s</td><td></td><td></td>"
/* warnings: retries, redispatches */
"<td></td><td></td>"
/* server status : reflect frontend status */
"<td class=ac>%s</td>"
/* rest of server: nothing */
"<td class=ac colspan=8></td></tr>"
"",
U2H(px->fe_counters.denied_req), U2H(px->fe_counters.denied_resp),
U2H(px->fe_counters.failed_req),
px->state == PR_STREADY ? "OPEN" :
px->state == PR_STFULL ? "FULL" : "STOP");
}
else { /* CSV mode */
chunk_appendf(&trash,
/* pxid, name, queue cur, queue max, */
"%s,FRONTEND,,,"
/* sessions : current, max, limit, total */
"%d,%d,%d,%lld,"
/* bytes : in, out */
"%lld,%lld,"
/* denied: req, resp */
"%lld,%lld,"
/* errors : request, connect, response */
"%lld,,,"
/* warnings: retries, redispatches */
",,"
/* server status : reflect frontend status */
"%s,"
/* rest of server: nothing */
",,,,,,,,"
/* pid, iid, sid, throttle, lbtot, tracked, type */
"%d,%d,0,,,,%d,"
/* rate, rate_lim, rate_max */
"%u,%u,%u,"
/* check_status, check_code, check_duration */
",,,",
px->id,
px->feconn, px->fe_counters.conn_max, px->maxconn, px->fe_counters.cum_sess,
px->fe_counters.bytes_in, px->fe_counters.bytes_out,
px->fe_counters.denied_req, px->fe_counters.denied_resp,
px->fe_counters.failed_req,
px->state == PR_STREADY ? "OPEN" :
px->state == PR_STFULL ? "FULL" : "STOP",
relative_pid, px->uuid, STATS_TYPE_FE,
read_freq_ctr(&px->fe_sess_per_sec),
px->fe_sps_lim, px->fe_counters.sps_max);
/* http response: 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (px->mode == PR_MODE_HTTP) {
for (i=1; i<6; i++)
chunk_appendf(&trash, "%lld,", px->fe_counters.p.http.rsp[i]);
chunk_appendf(&trash, "%lld,", px->fe_counters.p.http.rsp[0]);
}
else
chunk_appendf(&trash, ",,,,,,");
/* failed health analyses */
chunk_appendf(&trash, ",");
/* requests : req_rate, req_rate_max, req_tot, */
chunk_appendf(&trash, "%u,%u,%lld,",
read_freq_ctr(&px->fe_req_per_sec),
px->fe_counters.p.http.rps_max, px->fe_counters.p.http.cum_req);
/* errors: cli_aborts, srv_aborts */
chunk_appendf(&trash, ",,");
/* compression: in, out, bypassed */
chunk_appendf(&trash, "%lld,%lld,%lld,",
px->fe_counters.comp_in, px->fe_counters.comp_out, px->fe_counters.comp_byp);
/* compression: comp_rsp */
chunk_appendf(&trash, "%lld,",
px->fe_counters.p.http.comp_rsp);
/* lastsess, last_chk, last_agt, qtime, ctime, rtime, ttime, */
chunk_appendf(&trash, ",,,,,,,");
/* finish with EOL */
chunk_appendf(&trash, "\n");
}
return 1;
}
/* Dumps a line for listener <l> and proxy <px> to the trash and uses the state
* from stream interface <si>, and stats flags <flags>. The caller is responsible
* for clearing the trash if needed. Returns non-zero if it emits anything, zero
* otherwise.
*/
static int stats_dump_li_stats(struct stream_interface *si, struct proxy *px, struct listener *l, int flags)
{
struct appctx *appctx = __objt_appctx(si->end);
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
chunk_appendf(&trash, "<tr class=socket>");
if (px->cap & PR_CAP_BE && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* Column sub-heading for Enable or Disable server */
chunk_appendf(&trash, "<td></td>");
}
chunk_appendf(&trash,
/* frontend name, listener name */
"<td class=ac><a name=\"%s/+%s\"></a>%s"
"<a class=lfsb href=\"#%s/+%s\">%s</a>"
"",
px->id, l->name,
(flags & ST_SHLGNDS)?"<u>":"",
px->id, l->name, l->name);
if (flags & ST_SHLGNDS) {
char str[INET6_ADDRSTRLEN];
int port;
chunk_appendf(&trash, "<div class=tips>");
port = get_host_port(&l->addr);
switch (addr_to_str(&l->addr, str, sizeof(str))) {
case AF_INET:
chunk_appendf(&trash, "IPv4: %s:%d, ", str, port);
break;
case AF_INET6:
chunk_appendf(&trash, "IPv6: [%s]:%d, ", str, port);
break;
case AF_UNIX:
chunk_appendf(&trash, "unix, ");
break;
case -1:
chunk_appendf(&trash, "(%s), ", strerror(errno));
break;
}
/* id */
chunk_appendf(&trash, "id: %d</div>", l->luid);
}
chunk_appendf(&trash,
/* queue */
"%s</td><td colspan=3></td>"
/* sessions rate: current, max, limit */
"<td colspan=3>&nbsp;</td>"
/* sessions: current, max, limit, total, lbtot, lastsess */
"<td>%s</td><td>%s</td><td>%s</td>"
"<td>%s</td><td>&nbsp;</td><td>&nbsp;</td>"
/* bytes: in, out */
"<td>%s</td><td>%s</td>"
"",
(flags & ST_SHLGNDS)?"</u>":"",
U2H(l->nbconn), U2H(l->counters->conn_max), U2H(l->maxconn),
U2H(l->counters->cum_conn), U2H(l->counters->bytes_in), U2H(l->counters->bytes_out));
chunk_appendf(&trash,
/* denied: req, resp */
"<td>%s</td><td>%s</td>"
/* errors: request, connect, response */
"<td>%s</td><td></td><td></td>"
/* warnings: retries, redispatches */
"<td></td><td></td>"
/* server status: reflect listener status */
"<td class=ac>%s</td>"
/* rest of server: nothing */
"<td class=ac colspan=8></td></tr>"
"",
U2H(l->counters->denied_req), U2H(l->counters->denied_resp),
U2H(l->counters->failed_req),
(l->nbconn < l->maxconn) ? (l->state == LI_LIMITED) ? "WAITING" : "OPEN" : "FULL");
}
else { /* CSV mode */
chunk_appendf(&trash,
/* pxid, name, queue cur, queue max, */
"%s,%s,,,"
/* sessions: current, max, limit, total */
"%d,%d,%d,%lld,"
/* bytes: in, out */
"%lld,%lld,"
/* denied: req, resp */
"%lld,%lld,"
/* errors: request, connect, response */
"%lld,,,"
/* warnings: retries, redispatches */
",,"
/* server status: reflect listener status */
"%s,"
/* rest of server: nothing */
",,,,,,,,"
/* pid, iid, sid, throttle, lbtot, tracked, type */
"%d,%d,%d,,,,%d,"
/* rate, rate_lim, rate_max */
",,,"
/* check_status, check_code, check_duration */
",,,"
/* http response: 1xx, 2xx, 3xx, 4xx, 5xx, other */
",,,,,,"
/* failed health analyses */
","
/* requests : req_rate, req_rate_max, req_tot, */
",,,"
/* errors: cli_aborts, srv_aborts */
",,"
/* compression: in, out, bypassed, comp_rsp */
",,,,"
/* lastsess, last_chk, last_agt, qtime, ctime, rtime, ttime, */
",,,,,,,"
"\n",
px->id, l->name,
l->nbconn, l->counters->conn_max,
l->maxconn, l->counters->cum_conn,
l->counters->bytes_in, l->counters->bytes_out,
l->counters->denied_req, l->counters->denied_resp,
l->counters->failed_req,
(l->nbconn < l->maxconn) ? "OPEN" : "FULL",
relative_pid, px->uuid, l->luid, STATS_TYPE_SO);
}
return 1;
}
/* Dumps a line for server <sv> and proxy <px> to the trash and uses the state
* from stream interface <si>, stats flags <flags>, and server state <state>.
* The caller is responsible for clearing the trash if needed. Returns non-zero
* if it emits anything, zero otherwise. The <state> parameter can take the
* following values : 0=DOWN, 1=DOWN(agent) 2=going up, 3=going down, 4=UP, 5,6=NOLB,
* 7,8=DRAIN, 9=unchecked.
*/
static int stats_dump_sv_stats(struct stream_interface *si, struct proxy *px, int flags, struct server *sv, int state)
{
struct appctx *appctx = __objt_appctx(si->end);
struct server *via, *ref;
char str[INET6_ADDRSTRLEN];
struct chunk src;
int i;
/* we have "via" which is the tracked server as described in the configuration,
* and "ref" which is the checked server and the end of the chain.
*/
via = sv->track ? sv->track : sv;
ref = via;
while (ref->track)
ref = ref->track;
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
static char *srv_hlt_st[10] = {
"DOWN",
"DOWN (agent)",
"DN %d/%d &uarr;",
"UP %d/%d &darr;",
"UP",
"NOLB %d/%d &darr;",
"NOLB",
"DRAIN %d/%d &darr;",
"DRAIN",
"<i>no check</i>"
};
if (sv->admin & SRV_ADMF_MAINT)
chunk_appendf(&trash, "<tr class=\"maintain\">");
else
chunk_appendf(&trash,
"<tr class=\"%s%d\">",
(sv->flags & SRV_F_BACKUP) ? "backup" : "active", state);
if ((px->cap & PR_CAP_BE) && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN))
chunk_appendf(&trash,
"<td><input type=\"checkbox\" name=\"s\" value=\"%s\"></td>",
sv->id);
chunk_appendf(&trash,
"<td class=ac><a name=\"%s/%s\"></a>%s"
"<a class=lfsb href=\"#%s/%s\">%s</a>"
"",
px->id, sv->id,
(flags & ST_SHLGNDS) ? "<u>" : "",
px->id, sv->id, sv->id);
if (flags & ST_SHLGNDS) {
chunk_appendf(&trash, "<div class=tips>");
switch (addr_to_str(&sv->addr, str, sizeof(str))) {
case AF_INET:
chunk_appendf(&trash, "IPv4: %s:%d, ", str, get_host_port(&sv->addr));
break;
case AF_INET6:
chunk_appendf(&trash, "IPv6: [%s]:%d, ", str, get_host_port(&sv->addr));
break;
case AF_UNIX:
chunk_appendf(&trash, "unix, ");
break;
case -1:
chunk_appendf(&trash, "(%s), ", strerror(errno));
break;
default: /* address family not supported */
break;
}
/* id */
chunk_appendf(&trash, "id: %d", sv->puid);
/* cookie */
if (sv->cookie) {
chunk_appendf(&trash, ", cookie: '");
chunk_initlen(&src, sv->cookie, 0, strlen(sv->cookie));
chunk_htmlencode(&trash, &src);
chunk_appendf(&trash, "'");
}
chunk_appendf(&trash, "</div>");
}
chunk_appendf(&trash,
/* queue : current, max, limit */
"%s</td><td>%s</td><td>%s</td><td>%s</td>"
/* sessions rate : current, max, limit */
"<td>%s</td><td>%s</td><td></td>"
"",
(flags & ST_SHLGNDS) ? "</u>" : "",
U2H(sv->nbpend), U2H(sv->counters.nbpend_max), LIM2A(sv->maxqueue, "-"),
U2H(read_freq_ctr(&sv->sess_per_sec)), U2H(sv->counters.sps_max));
chunk_appendf(&trash,
/* sessions: current, max, limit, total */
"<td>%s</td><td>%s</td><td>%s</td>"
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Cum. sessions:</th><td>%s</td></tr>"
"",
U2H(sv->cur_sess), U2H(sv->counters.cur_sess_max), LIM2A(sv->maxconn, "-"),
U2H(sv->counters.cum_sess),
U2H(sv->counters.cum_sess));
/* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (px->mode == PR_MODE_HTTP) {
unsigned long long tot;
for (tot = i = 0; i < 6; i++)
tot += sv->counters.p.http.rsp[i];
chunk_appendf(&trash,
"<tr><th>Cum. HTTP responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 1xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 2xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 3xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 4xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 5xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- other responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"",
U2H(tot),
U2H(sv->counters.p.http.rsp[1]), tot ? (int)(100*sv->counters.p.http.rsp[1] / tot) : 0,
U2H(sv->counters.p.http.rsp[2]), tot ? (int)(100*sv->counters.p.http.rsp[2] / tot) : 0,
U2H(sv->counters.p.http.rsp[3]), tot ? (int)(100*sv->counters.p.http.rsp[3] / tot) : 0,
U2H(sv->counters.p.http.rsp[4]), tot ? (int)(100*sv->counters.p.http.rsp[4] / tot) : 0,
U2H(sv->counters.p.http.rsp[5]), tot ? (int)(100*sv->counters.p.http.rsp[5] / tot) : 0,
U2H(sv->counters.p.http.rsp[0]), tot ? (int)(100*sv->counters.p.http.rsp[0] / tot) : 0);
}
chunk_appendf(&trash, "<tr><th colspan=3>Avg over last 1024 success. conn.</th></tr>");
chunk_appendf(&trash, "<tr><th>- Queue time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(sv->counters.q_time, TIME_STATS_SAMPLES)));
chunk_appendf(&trash, "<tr><th>- Connect time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(sv->counters.c_time, TIME_STATS_SAMPLES)));
if (px->mode == PR_MODE_HTTP)
chunk_appendf(&trash, "<tr><th>- Response time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(sv->counters.d_time, TIME_STATS_SAMPLES)));
chunk_appendf(&trash, "<tr><th>- Total time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(sv->counters.t_time, TIME_STATS_SAMPLES)));
chunk_appendf(&trash,
"</table></div></u></td>"
/* sessions: lbtot, last */
"<td>%s</td><td>%s</td>",
U2H(sv->counters.cum_lbconn),
human_time(srv_lastsession(sv), 1));
chunk_appendf(&trash,
/* bytes : in, out */
"<td>%s</td><td>%s</td>"
/* denied: req, resp */
"<td></td><td>%s</td>"
/* errors : request, connect */
"<td></td><td>%s</td>"
/* errors : response */
"<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
/* warnings: retries, redispatches */
"<td>%lld</td><td>%lld</td>"
"",
U2H(sv->counters.bytes_in), U2H(sv->counters.bytes_out),
U2H(sv->counters.failed_secu),
U2H(sv->counters.failed_conns),
U2H(sv->counters.failed_resp),
sv->counters.cli_aborts,
sv->counters.srv_aborts,
sv->counters.retries, sv->counters.redispatches);
/* status, lest check */
chunk_appendf(&trash, "<td class=ac>");
if (sv->admin & SRV_ADMF_MAINT) {
chunk_appendf(&trash, "%s ", human_time(now.tv_sec - sv->last_change, 1));
chunk_appendf(&trash, "MAINT");
}
else if ((ref->agent.state & CHK_ST_ENABLED) && (ref->state == SRV_ST_STOPPED)) {
chunk_appendf(&trash, "%s ", human_time(now.tv_sec - ref->last_change, 1));
/* DOWN (agent) */
chunk_appendf(&trash, srv_hlt_st[1], "GCC: your -Werror=format-security is bogus, annoying, and hides real bugs, I don't thank you, really!");
}
else if (ref->check.state & CHK_ST_ENABLED) {
chunk_appendf(&trash, "%s ", human_time(now.tv_sec - ref->last_change, 1));
chunk_appendf(&trash,
srv_hlt_st[state],
(ref->state != SRV_ST_STOPPED) ? (ref->check.health - ref->check.rise + 1) : (ref->check.health),
(ref->state != SRV_ST_STOPPED) ? (ref->check.fall) : (ref->check.rise));
}
if ((sv->state == SRV_ST_STOPPED) &&
((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) && !(sv->agent.health)) {
chunk_appendf(&trash,
"</td><td class=ac><u> %s%s",
(sv->agent.state & CHK_ST_INPROGRESS) ? "* " : "",
get_check_status_info(sv->agent.status));
if (sv->agent.status >= HCHK_STATUS_L57DATA)
chunk_appendf(&trash, "/%d", sv->agent.code);
if (sv->agent.status >= HCHK_STATUS_CHECKED && sv->agent.duration >= 0)
chunk_appendf(&trash, " in %lums", sv->agent.duration);
chunk_appendf(&trash, "<div class=tips>%s",
get_check_status_description(sv->agent.status));
if (*sv->agent.desc) {
chunk_appendf(&trash, ": ");
chunk_initlen(&src, sv->agent.desc, 0, strlen(sv->agent.desc));
chunk_htmlencode(&trash, &src);
}
chunk_appendf(&trash, "</div></u>");
}
else if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) {
chunk_appendf(&trash,
"</td><td class=ac><u> %s%s",
(sv->check.state & CHK_ST_INPROGRESS) ? "* " : "",
get_check_status_info(sv->check.status));
if (sv->check.status >= HCHK_STATUS_L57DATA)
chunk_appendf(&trash, "/%d", sv->check.code);
if (sv->check.status >= HCHK_STATUS_CHECKED && sv->check.duration >= 0)
chunk_appendf(&trash, " in %lums", sv->check.duration);
chunk_appendf(&trash, "<div class=tips>%s",
get_check_status_description(sv->check.status));
if (*sv->check.desc) {
chunk_appendf(&trash, ": ");
chunk_initlen(&src, sv->check.desc, 0, strlen(sv->check.desc));
chunk_htmlencode(&trash, &src);
}
chunk_appendf(&trash, "</div></u>");
}
else
chunk_appendf(&trash, "</td><td>");
chunk_appendf(&trash,
/* weight */
"</td><td class=ac>%d</td>"
/* act, bck */
"<td class=ac>%s</td><td class=ac>%s</td>"
"",
(sv->eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv,
(sv->flags & SRV_F_BACKUP) ? "-" : "Y",
(sv->flags & SRV_F_BACKUP) ? "Y" : "-");
/* check failures: unique, fatal, down time */
if (sv->check.state & CHK_ST_ENABLED) {
chunk_appendf(&trash, "<td><u>%lld", ref->counters.failed_checks);
if (ref->observe)
chunk_appendf(&trash, "/%lld", ref->counters.failed_hana);
chunk_appendf(&trash,
"<div class=tips>Failed Health Checks%s</div></u></td>"
"<td>%lld</td><td>%s</td>"
"",
ref->observe ? "/Health Analyses" : "",
ref->counters.down_trans, human_time(srv_downtime(sv), 1));
}
else if (!(sv->admin & SRV_ADMF_FMAINT) && sv != ref) {
/* tracking a server */
chunk_appendf(&trash,
"<td class=ac colspan=3><a class=lfsb href=\"#%s/%s\">via %s/%s</a></td>",
via->proxy->id, via->id, via->proxy->id, via->id);
}
else
chunk_appendf(&trash, "<td colspan=3></td>");
/* throttle */
if (sv->state == SRV_ST_STARTING && !server_is_draining(sv))
chunk_appendf(&trash, "<td class=ac>%d %%</td></tr>\n", server_throttle_rate(sv));
else
chunk_appendf(&trash, "<td class=ac>-</td></tr>\n");
}
else { /* CSV mode */
static char *srv_hlt_st[10] = {
"DOWN,",
"DOWN (agent),",
"DOWN %d/%d,",
"UP %d/%d,",
"UP,",
"NOLB %d/%d,",
"NOLB,",
"DRAIN %d/%d,",
"DRAIN,",
"no check,"
};
chunk_appendf(&trash,
/* pxid, name */
"%s,%s,"
/* queue : current, max */
"%d,%d,"
/* sessions : current, max, limit, total */
"%d,%d,%s,%lld,"
/* bytes : in, out */
"%lld,%lld,"
/* denied: req, resp */
",%lld,"
/* errors : request, connect, response */
",%lld,%lld,"
/* warnings: retries, redispatches */
"%lld,%lld,"
"",
px->id, sv->id,
sv->nbpend, sv->counters.nbpend_max,
sv->cur_sess, sv->counters.cur_sess_max, LIM2A(sv->maxconn, ""), sv->counters.cum_sess,
sv->counters.bytes_in, sv->counters.bytes_out,
sv->counters.failed_secu,
sv->counters.failed_conns, sv->counters.failed_resp,
sv->counters.retries, sv->counters.redispatches);
/* status */
if (sv->admin & SRV_ADMF_IMAINT)
chunk_appendf(&trash, "MAINT (via %s/%s),", via->proxy->id, via->id);
else if (sv->admin & SRV_ADMF_MAINT)
chunk_appendf(&trash, "MAINT,");
else
chunk_appendf(&trash,
srv_hlt_st[state],
(ref->state != SRV_ST_STOPPED) ? (ref->check.health - ref->check.rise + 1) : (ref->check.health),
(ref->state != SRV_ST_STOPPED) ? (ref->check.fall) : (ref->check.rise));
chunk_appendf(&trash,
/* weight, active, backup */
"%d,%d,%d,"
"",
(sv->eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv,
(sv->flags & SRV_F_BACKUP) ? 0 : 1,
(sv->flags & SRV_F_BACKUP) ? 1 : 0);
/* check failures: unique, fatal; last change, total downtime */
if (sv->check.state & CHK_ST_ENABLED)
chunk_appendf(&trash,
"%lld,%lld,%d,%d,",
sv->counters.failed_checks, sv->counters.down_trans,
(int)(now.tv_sec - sv->last_change), srv_downtime(sv));
else
chunk_appendf(&trash, ",,,,");
/* queue limit, pid, iid, sid, */
chunk_appendf(&trash,
"%s,"
"%d,%d,%d,",
LIM2A(sv->maxqueue, ""),
relative_pid, px->uuid, sv->puid);
/* throttle */
if (sv->state == SRV_ST_STARTING && !server_is_draining(sv))
chunk_appendf(&trash, "%d", server_throttle_rate(sv));
/* sessions: lbtot */
chunk_appendf(&trash, ",%lld,", sv->counters.cum_lbconn);
/* tracked */
if (sv->track)
chunk_appendf(&trash, "%s/%s,",
sv->track->proxy->id, sv->track->id);
else
chunk_appendf(&trash, ",");
/* type */
chunk_appendf(&trash, "%d,", STATS_TYPE_SV);
/* rate */
chunk_appendf(&trash, "%u,,%u,",
read_freq_ctr(&sv->sess_per_sec),
sv->counters.sps_max);
if (sv->check.state & CHK_ST_ENABLED) {
/* check_status */
chunk_appendf(&trash, "%s,", get_check_status_info(sv->check.status));
/* check_code */
if (sv->check.status >= HCHK_STATUS_L57DATA)
chunk_appendf(&trash, "%u,", sv->check.code);
else
chunk_appendf(&trash, ",");
/* check_duration */
if (sv->check.status >= HCHK_STATUS_CHECKED)
chunk_appendf(&trash, "%lu,", sv->check.duration);
else
chunk_appendf(&trash, ",");
}
else
chunk_appendf(&trash, ",,,");
/* http response: 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (px->mode == PR_MODE_HTTP) {
for (i=1; i<6; i++)
chunk_appendf(&trash, "%lld,", sv->counters.p.http.rsp[i]);
chunk_appendf(&trash, "%lld,", sv->counters.p.http.rsp[0]);
}
else
chunk_appendf(&trash, ",,,,,,");
/* failed health analyses */
chunk_appendf(&trash, "%lld,", sv->counters.failed_hana);
/* requests : req_rate, req_rate_max, req_tot, */
chunk_appendf(&trash, ",,,");
/* errors: cli_aborts, srv_aborts */
chunk_appendf(&trash, "%lld,%lld,",
sv->counters.cli_aborts, sv->counters.srv_aborts);
/* compression: in, out, bypassed, comp_rsp */
chunk_appendf(&trash, ",,,,");
/* lastsess */
chunk_appendf(&trash, "%d,", srv_lastsession(sv));
/* capture of last check and agent statuses */
chunk_appendf(&trash, "%s,", ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) ? cstr(sv->check.desc) : "");
chunk_appendf(&trash, "%s,", ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) ? cstr(sv->agent.desc) : "");
/* qtime, ctime, rtime, ttime, */
chunk_appendf(&trash, "%u,%u,%u,%u,",
swrate_avg(sv->counters.q_time, TIME_STATS_SAMPLES),
swrate_avg(sv->counters.c_time, TIME_STATS_SAMPLES),
swrate_avg(sv->counters.d_time, TIME_STATS_SAMPLES),
swrate_avg(sv->counters.t_time, TIME_STATS_SAMPLES));
/* finish with EOL */
chunk_appendf(&trash, "\n");
}
return 1;
}
/* Dumps a line for backend <px> to the trash for and uses the state from stream
* interface <si> and stats flags <flags>. The caller is responsible for clearing
* the trash if needed. Returns non-zero if it emits anything, zero otherwise.
*/
static int stats_dump_be_stats(struct stream_interface *si, struct proxy *px, int flags)
{
struct appctx *appctx = __objt_appctx(si->end);
struct chunk src;
int i;
if (!(px->cap & PR_CAP_BE))
return 0;
if ((appctx->ctx.stats.flags & STAT_BOUND) && !(appctx->ctx.stats.type & (1 << STATS_TYPE_BE)))
return 0;
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
chunk_appendf(&trash, "<tr class=\"backend\">");
if (px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* Column sub-heading for Enable or Disable server */
chunk_appendf(&trash, "<td></td>");
}
chunk_appendf(&trash,
"<td class=ac>"
/* name */
"%s<a name=\"%s/Backend\"></a>"
"<a class=lfsb href=\"#%s/Backend\">Backend</a>"
"",
(flags & ST_SHLGNDS)?"<u>":"",
px->id, px->id);
if (flags & ST_SHLGNDS) {
/* balancing */
chunk_appendf(&trash, "<div class=tips>balancing: %s",
backend_lb_algo_str(px->lbprm.algo & BE_LB_ALGO));
/* cookie */
if (px->cookie_name) {
chunk_appendf(&trash, ", cookie: '");
chunk_initlen(&src, px->cookie_name, 0, strlen(px->cookie_name));
chunk_htmlencode(&trash, &src);
chunk_appendf(&trash, "'");
}
chunk_appendf(&trash, "</div>");
}
chunk_appendf(&trash,
"%s</td>"
/* queue : current, max */
"<td>%s</td><td>%s</td><td></td>"
/* sessions rate : current, max, limit */
"<td>%s</td><td>%s</td><td></td>"
"",
(flags & ST_SHLGNDS)?"</u>":"",
U2H(px->nbpend) /* or px->totpend ? */, U2H(px->be_counters.nbpend_max),
U2H(read_freq_ctr(&px->be_sess_per_sec)), U2H(px->be_counters.sps_max));
chunk_appendf(&trash,
/* sessions: current, max, limit, total */
"<td>%s</td><td>%s</td><td>%s</td>"
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Cum. sessions:</th><td>%s</td></tr>"
"",
U2H(px->beconn), U2H(px->be_counters.conn_max), U2H(px->fullconn),
U2H(px->be_counters.cum_conn),
U2H(px->be_counters.cum_conn));
/* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (px->mode == PR_MODE_HTTP) {
chunk_appendf(&trash,
"<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
"<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
"<tr><th>&nbsp;&nbsp;Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
"<tr><th>- other responses:</th><td>%s</td></tr>"
"<tr><th>Intercepted requests:</th><td>%s</td></tr>"
"<tr><th colspan=3>Avg over last 1024 success. conn.</th></tr>"
"",
U2H(px->be_counters.p.http.cum_req),
U2H(px->be_counters.p.http.rsp[1]),
U2H(px->be_counters.p.http.rsp[2]),
U2H(px->be_counters.p.http.comp_rsp),
px->be_counters.p.http.rsp[2] ?
(int)(100*px->be_counters.p.http.comp_rsp/px->be_counters.p.http.rsp[2]) : 0,
U2H(px->be_counters.p.http.rsp[3]),
U2H(px->be_counters.p.http.rsp[4]),
U2H(px->be_counters.p.http.rsp[5]),
U2H(px->be_counters.p.http.rsp[0]),
U2H(px->be_counters.intercepted_req));
}
chunk_appendf(&trash, "<tr><th>- Queue time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(px->be_counters.q_time, TIME_STATS_SAMPLES)));
chunk_appendf(&trash, "<tr><th>- Connect time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(px->be_counters.c_time, TIME_STATS_SAMPLES)));
if (px->mode == PR_MODE_HTTP)
chunk_appendf(&trash, "<tr><th>- Response time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(px->be_counters.d_time, TIME_STATS_SAMPLES)));
chunk_appendf(&trash, "<tr><th>- Total time:</th><td>%s</td><td>ms</td></tr>", U2H(swrate_avg(px->be_counters.t_time, TIME_STATS_SAMPLES)));
chunk_appendf(&trash,
"</table></div></u></td>"
/* sessions: lbtot, last */
"<td>%s</td><td>%s</td>"
/* bytes: in */
"<td>%s</td>"
"",
U2H(px->be_counters.cum_lbconn),
human_time(be_lastsession(px), 1),
U2H(px->be_counters.bytes_in));
chunk_appendf(&trash,
/* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
"<td>%s%s<div class=tips>compression: in=%lld out=%lld bypassed=%lld savings=%d%%</div>%s</td>",
(px->be_counters.comp_in || px->be_counters.comp_byp) ? "<u>":"",
U2H(px->be_counters.bytes_out),
px->be_counters.comp_in, px->be_counters.comp_out, px->be_counters.comp_byp,
px->be_counters.comp_in ?
(int)((px->be_counters.comp_in - px->be_counters.comp_out)*100/px->be_counters.comp_in) : 0,
(px->be_counters.comp_in || px->be_counters.comp_byp) ? "</u>":"");
chunk_appendf(&trash,
/* denied: req, resp */
"<td>%s</td><td>%s</td>"
/* errors : request, connect */
"<td></td><td>%s</td>"
/* errors : response */
"<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
/* warnings: retries, redispatches */
"<td>%lld</td><td>%lld</td>"
/* backend status: reflect backend status (up/down): we display UP
* if the backend has known working servers or if it has no server at
* all (eg: for stats). Then we display the total weight, number of
* active and backups. */
"<td class=ac>%s %s</td><td class=ac>&nbsp;</td><td class=ac>%d</td>"
"<td class=ac>%d</td><td class=ac>%d</td>"
"",
U2H(px->be_counters.denied_req), U2H(px->be_counters.denied_resp),
U2H(px->be_counters.failed_conns),
U2H(px->be_counters.failed_resp),
px->be_counters.cli_aborts,
px->be_counters.srv_aborts,
px->be_counters.retries, px->be_counters.redispatches,
human_time(now.tv_sec - px->last_change, 1),
(px->lbprm.tot_weight > 0 || !px->srv) ? "UP" :
"<font color=\"red\"><b>DOWN</b></font>",
(px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv,
px->srv_act, px->srv_bck);
chunk_appendf(&trash,
/* rest of backend: nothing, down transitions, total downtime, throttle */
"<td class=ac>&nbsp;</td><td>%d</td>"
"<td>%s</td>"
"<td></td>"
"</tr>",
px->down_trans,
px->srv?human_time(be_downtime(px), 1):"&nbsp;");
}
else { /* CSV mode */
chunk_appendf(&trash,
/* pxid, name */
"%s,BACKEND,"
/* queue : current, max */
"%d,%d,"
/* sessions : current, max, limit, total */
"%d,%d,%d,%lld,"
/* bytes : in, out */
"%lld,%lld,"
/* denied: req, resp */
"%lld,%lld,"
/* errors : request, connect, response */
",%lld,%lld,"
/* warnings: retries, redispatches */
"%lld,%lld,"
/* backend status: reflect backend status (up/down): we display UP
* if the backend has known working servers or if it has no server at
* all (eg: for stats). Then we display the total weight, number of
* active and backups. */
"%s,"
"%d,%d,%d,"
/* rest of backend: nothing, down transitions, last change, total downtime */
",%d,%d,%d,,"
/* pid, iid, sid, throttle, lbtot, tracked, type */
"%d,%d,0,,%lld,,%d,"
/* rate, rate_lim, rate_max, */
"%u,,%u,"
/* check_status, check_code, check_duration */
",,,",
px->id,
px->nbpend /* or px->totpend ? */, px->be_counters.nbpend_max,
px->beconn, px->be_counters.conn_max, px->fullconn, px->be_counters.cum_conn,
px->be_counters.bytes_in, px->be_counters.bytes_out,
px->be_counters.denied_req, px->be_counters.denied_resp,
px->be_counters.failed_conns, px->be_counters.failed_resp,
px->be_counters.retries, px->be_counters.redispatches,
(px->lbprm.tot_weight > 0 || !px->srv) ? "UP" : "DOWN",
(px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv,
px->srv_act, px->srv_bck,
px->down_trans, (int)(now.tv_sec - px->last_change),
px->srv?be_downtime(px):0,
relative_pid, px->uuid,
px->be_counters.cum_lbconn, STATS_TYPE_BE,
read_freq_ctr(&px->be_sess_per_sec),
px->be_counters.sps_max);
/* http response: 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (px->mode == PR_MODE_HTTP) {
for (i=1; i<6; i++)
chunk_appendf(&trash, "%lld,", px->be_counters.p.http.rsp[i]);
chunk_appendf(&trash, "%lld,", px->be_counters.p.http.rsp[0]);
}
else
chunk_appendf(&trash, ",,,,,,");
/* failed health analyses */
chunk_appendf(&trash, ",");
/* requests : req_rate, req_rate_max, req_tot, */
chunk_appendf(&trash, ",,,");
/* errors: cli_aborts, srv_aborts */
chunk_appendf(&trash, "%lld,%lld,",
px->be_counters.cli_aborts, px->be_counters.srv_aborts);
/* compression: in, out, bypassed */
chunk_appendf(&trash, "%lld,%lld,%lld,",
px->be_counters.comp_in, px->be_counters.comp_out, px->be_counters.comp_byp);
/* compression: comp_rsp */
chunk_appendf(&trash, "%lld,", px->be_counters.p.http.comp_rsp);
/* lastsess, last_chk, last_agt, */
chunk_appendf(&trash, "%d,,,", be_lastsession(px));
/* qtime, ctime, rtime, ttime, */
chunk_appendf(&trash, "%u,%u,%u,%u,",
swrate_avg(px->be_counters.q_time, TIME_STATS_SAMPLES),
swrate_avg(px->be_counters.c_time, TIME_STATS_SAMPLES),
swrate_avg(px->be_counters.d_time, TIME_STATS_SAMPLES),
swrate_avg(px->be_counters.t_time, TIME_STATS_SAMPLES));
/* finish with EOL */
chunk_appendf(&trash, "\n");
}
return 1;
}
/* Dumps the HTML table header for proxy <px> to the trash for and uses the state from
* stream interface <si> and per-uri parameters <uri>. The caller is responsible
* for clearing the trash if needed.
*/
static void stats_dump_html_px_hdr(struct stream_interface *si, struct proxy *px, struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
if (px->cap & PR_CAP_BE && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* A form to enable/disable this proxy servers */
/* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
scope_txt[0] = 0;
if (appctx->ctx.stats.scope_len) {
strcpy(scope_txt, STAT_SCOPE_PATTERN);
memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), bo_ptr(si->ob->buf) + appctx->ctx.stats.scope_str, appctx->ctx.stats.scope_len);
scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
}
chunk_appendf(&trash,
"<form action=\"%s%s%s%s\" method=\"post\">",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
}
/* print a new table */
chunk_appendf(&trash,
"<table class=\"tbl\" width=\"100%%\">\n"
"<tr class=\"titre\">"
"<th class=\"pxname\" width=\"10%%\">");
chunk_appendf(&trash,
"<a name=\"%s\"></a>%s"
"<a class=px href=\"#%s\">%s</a>",
px->id,
(uri->flags & ST_SHLGNDS) ? "<u>":"",
px->id, px->id);
if (uri->flags & ST_SHLGNDS) {
/* cap, mode, id */
chunk_appendf(&trash, "<div class=tips>cap: %s, mode: %s, id: %d",
proxy_cap_str(px->cap), proxy_mode_str(px->mode),
px->uuid);
chunk_appendf(&trash, "</div>");
}
chunk_appendf(&trash,
"%s</th>"
"<th class=\"%s\" width=\"90%%\">%s</th>"
"</tr>\n"
"</table>\n"
"<table class=\"tbl\" width=\"100%%\">\n"
"<tr class=\"titre\">",
(uri->flags & ST_SHLGNDS) ? "</u>":"",
px->desc ? "desc" : "empty", px->desc ? px->desc : "");
if ((px->cap & PR_CAP_BE) && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* Column heading for Enable or Disable server */
chunk_appendf(&trash, "<th rowspan=2 width=1></th>");
}
chunk_appendf(&trash,
"<th rowspan=2></th>"
"<th colspan=3>Queue</th>"
"<th colspan=3>Session rate</th><th colspan=6>Sessions</th>"
"<th colspan=2>Bytes</th><th colspan=2>Denied</th>"
"<th colspan=3>Errors</th><th colspan=2>Warnings</th>"
"<th colspan=9>Server</th>"
"</tr>\n"
"<tr class=\"titre\">"
"<th>Cur</th><th>Max</th><th>Limit</th>"
"<th>Cur</th><th>Max</th><th>Limit</th><th>Cur</th><th>Max</th>"
"<th>Limit</th><th>Total</th><th>LbTot</th><th>Last</th><th>In</th><th>Out</th>"
"<th>Req</th><th>Resp</th><th>Req</th><th>Conn</th>"
"<th>Resp</th><th>Retr</th><th>Redis</th>"
"<th>Status</th><th>LastChk</th><th>Wght</th><th>Act</th>"
"<th>Bck</th><th>Chk</th><th>Dwn</th><th>Dwntme</th>"
"<th>Thrtle</th>\n"
"</tr>");
}
/* Dumps the HTML table trailer for proxy <px> to the trash for and uses the state from
* stream interface <si>. The caller is responsible for clearing the trash if needed.
*/
static void stats_dump_html_px_end(struct stream_interface *si, struct proxy *px)
{
struct appctx *appctx = __objt_appctx(si->end);
chunk_appendf(&trash, "</table>");
if ((px->cap & PR_CAP_BE) && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* close the form used to enable/disable this proxy servers */
chunk_appendf(&trash,
"Choose the action to perform on the checked servers : "
"<select name=action>"
"<option value=\"\"></option>"
"<option value=\"ready\">Set state to READY</option>"
"<option value=\"drain\">Set state to DRAIN</option>"
"<option value=\"maint\">Set state to MAINT</option>"
"<option value=\"dhlth\">Health: disable checks</option>"
"<option value=\"ehlth\">Health: enable checks</option>"
"<option value=\"hrunn\">Health: force UP</option>"
"<option value=\"hnolb\">Health: force NOLB</option>"
"<option value=\"hdown\">Health: force DOWN</option>"
"<option value=\"dagent\">Agent: disable checks</option>"
"<option value=\"eagent\">Agent: enable checks</option>"
"<option value=\"arunn\">Agent: force UP</option>"
"<option value=\"adown\">Agent: force DOWN</option>"
"<option value=\"shutdown\">Kill Sessions</option>"
"</select>"
"<input type=\"hidden\" name=\"b\" value=\"#%d\">"
"&nbsp;<input type=\"submit\" value=\"Apply\">"
"</form>",
px->uuid);
}
chunk_appendf(&trash, "<p>\n");
}
/*
* Dumps statistics for a proxy. The output is sent to the stream interface's
* input buffer. Returns 0 if it had to stop dumping data because of lack of
* buffer space, or non-zero if everything completed. This function is used
* both by the CLI and the HTTP entry points, and is able to dump the output
* in HTML or CSV formats. If the later, <uri> must be NULL.
*/
static int stats_dump_proxy_to_buffer(struct stream_interface *si, struct proxy *px, struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
struct session *s = session_from_task(si->owner);
struct channel *rep = si->ib;
struct server *sv, *svs; /* server and server-state, server-state=server or server->track */
struct listener *l;
chunk_reset(&trash);
switch (appctx->ctx.stats.px_st) {
case STAT_PX_ST_INIT:
/* we are on a new proxy */
if (uri && uri->scope) {
/* we have a limited scope, we have to check the proxy name */
struct stat_scope *scope;
int len;
len = strlen(px->id);
scope = uri->scope;
while (scope) {
/* match exact proxy name */
if (scope->px_len == len && !memcmp(px->id, scope->px_id, len))
break;
/* match '.' which means 'self' proxy */
if (!strcmp(scope->px_id, ".") && px == s->be)
break;
scope = scope->next;
}
/* proxy name not found : don't dump anything */
if (scope == NULL)
return 1;
}
/* if the user has requested a limited output and the proxy
* name does not match, skip it.
*/
if (appctx->ctx.stats.scope_len &&
strnistr(px->id, strlen(px->id), bo_ptr(si->ob->buf) + appctx->ctx.stats.scope_str, appctx->ctx.stats.scope_len) == NULL)
return 1;
if ((appctx->ctx.stats.flags & STAT_BOUND) &&
(appctx->ctx.stats.iid != -1) &&
(px->uuid != appctx->ctx.stats.iid))
return 1;
appctx->ctx.stats.px_st = STAT_PX_ST_TH;
/* fall through */
case STAT_PX_ST_TH:
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
stats_dump_html_px_hdr(si, px, uri);
if (bi_putchk(rep, &trash) == -1)
return 0;
}
appctx->ctx.stats.px_st = STAT_PX_ST_FE;
/* fall through */
case STAT_PX_ST_FE:
/* print the frontend */
if (stats_dump_fe_stats(si, px))
if (bi_putchk(rep, &trash) == -1)
return 0;
appctx->ctx.stats.l = px->conf.listeners.n;
appctx->ctx.stats.px_st = STAT_PX_ST_LI;
/* fall through */
case STAT_PX_ST_LI:
/* stats.l has been initialized above */
for (; appctx->ctx.stats.l != &px->conf.listeners; appctx->ctx.stats.l = l->by_fe.n) {
if (buffer_almost_full(rep->buf)) {
rep->flags |= CF_WAKE_WRITE;
return 0;
}
l = LIST_ELEM(appctx->ctx.stats.l, struct listener *, by_fe);
if (!l->counters)
continue;
if (appctx->ctx.stats.flags & STAT_BOUND) {
if (!(appctx->ctx.stats.type & (1 << STATS_TYPE_SO)))
break;
if (appctx->ctx.stats.sid != -1 && l->luid != appctx->ctx.stats.sid)
continue;
}
/* print the frontend */
if (stats_dump_li_stats(si, px, l, uri ? uri->flags : 0))
if (bi_putchk(rep, &trash) == -1)
return 0;
}
appctx->ctx.stats.sv = px->srv; /* may be NULL */
appctx->ctx.stats.px_st = STAT_PX_ST_SV;
/* fall through */
case STAT_PX_ST_SV:
/* stats.sv has been initialized above */
for (; appctx->ctx.stats.sv != NULL; appctx->ctx.stats.sv = sv->next) {
int sv_state;
if (buffer_almost_full(rep->buf)) {
rep->flags |= CF_WAKE_WRITE;
return 0;
}
sv = appctx->ctx.stats.sv;
if (appctx->ctx.stats.flags & STAT_BOUND) {
if (!(appctx->ctx.stats.type & (1 << STATS_TYPE_SV)))
break;
if (appctx->ctx.stats.sid != -1 && sv->puid != appctx->ctx.stats.sid)
continue;
}
svs = sv;
while (svs->track)
svs = svs->track;
if (sv->state == SRV_ST_RUNNING || sv->state == SRV_ST_STARTING) {
/* server is UP. The possibilities are :
* - UP, draining, going down => state = 7
* - UP, going down => state = 3
* - UP, draining => state = 8
* - UP, checked => state = 4
* - UP, not checked nor tracked => state = 9
*/
if ((svs->check.state & CHK_ST_ENABLED) &&
(svs->check.health < svs->check.rise + svs->check.fall - 1))
sv_state = 3;
else
sv_state = 4;
if (server_is_draining(sv))
sv_state += 4;
if (sv_state == 4 && !(svs->check.state & CHK_ST_ENABLED))
sv_state = 9; /* unchecked UP */
}
else if (sv->state == SRV_ST_STOPPING) {
if ((!(sv->check.state & CHK_ST_ENABLED) && !sv->track) ||
(svs->check.health == svs->check.rise + svs->check.fall - 1))
sv_state = 6; /* NOLB */
else
sv_state = 5; /* NOLB going down */
}
else { /* stopped */
if ((svs->agent.state & CHK_ST_ENABLED) && !svs->agent.health)
sv_state = 1; /* DOWN (agent) */
else if ((svs->check.state & CHK_ST_ENABLED) && !svs->check.health)
sv_state = 0; /* DOWN */
else if ((svs->agent.state & CHK_ST_ENABLED) || (svs->check.state & CHK_ST_ENABLED))
sv_state = 2; /* going up */
else
sv_state = 0; /* DOWN, unchecked */
}
if (((sv_state <= 1) || (sv->admin & SRV_ADMF_MAINT)) && (appctx->ctx.stats.flags & STAT_HIDE_DOWN)) {
/* do not report servers which are DOWN */
appctx->ctx.stats.sv = sv->next;
continue;
}
if (stats_dump_sv_stats(si, px, uri ? uri->flags : 0, sv, sv_state))
if (bi_putchk(rep, &trash) == -1)
return 0;
} /* for sv */
appctx->ctx.stats.px_st = STAT_PX_ST_BE;
/* fall through */
case STAT_PX_ST_BE:
/* print the backend */
if (stats_dump_be_stats(si, px, uri ? uri->flags : 0))
if (bi_putchk(rep, &trash) == -1)
return 0;
appctx->ctx.stats.px_st = STAT_PX_ST_END;
/* fall through */
case STAT_PX_ST_END:
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
stats_dump_html_px_end(si, px);
if (bi_putchk(rep, &trash) == -1)
return 0;
}
appctx->ctx.stats.px_st = STAT_PX_ST_FIN;
/* fall through */
case STAT_PX_ST_FIN:
return 1;
default:
/* unknown state, we should put an abort() here ! */
return 1;
}
}
/* Dumps the HTTP stats head block to the trash for and uses the per-uri
* parameters <uri>. The caller is responsible for clearing the trash if needed.
*/
static void stats_dump_html_head(struct uri_auth *uri)
{
/* WARNING! This must fit in the first buffer !!! */
chunk_appendf(&trash,
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\n"
"\"http://www.w3.org/TR/html4/loose.dtd\">\n"
"<html><head><title>Statistics Report for " PRODUCT_NAME "%s%s</title>\n"
"<meta http-equiv=\"content-type\" content=\"text/html; charset=iso-8859-1\">\n"
"<style type=\"text/css\"><!--\n"
"body {"
" font-family: arial, helvetica, sans-serif;"
" font-size: 12px;"
" font-weight: normal;"
" color: black;"
" background: white;"
"}\n"
"th,td {"
" font-size: 10px;"
"}\n"
"h1 {"
" font-size: x-large;"
" margin-bottom: 0.5em;"
"}\n"
"h2 {"
" font-family: helvetica, arial;"
" font-size: x-large;"
" font-weight: bold;"
" font-style: italic;"
" color: #6020a0;"
" margin-top: 0em;"
" margin-bottom: 0em;"
"}\n"
"h3 {"
" font-family: helvetica, arial;"
" font-size: 16px;"
" font-weight: bold;"
" color: #b00040;"
" background: #e8e8d0;"
" margin-top: 0em;"
" margin-bottom: 0em;"
"}\n"
"li {"
" margin-top: 0.25em;"
" margin-right: 2em;"
"}\n"
".hr {margin-top: 0.25em;"
" border-color: black;"
" border-bottom-style: solid;"
"}\n"
".titre {background: #20D0D0;color: #000000; font-weight: bold; text-align: center;}\n"
".total {background: #20D0D0;color: #ffff80;}\n"
".frontend {background: #e8e8d0;}\n"
".socket {background: #d0d0d0;}\n"
".backend {background: #e8e8d0;}\n"
".active0 {background: #ff9090;}\n"
".active1 {background: #ff9090;}\n"
".active2 {background: #ffd020;}\n"
".active3 {background: #ffffa0;}\n"
".active4 {background: #c0ffc0;}\n"
".active5 {background: #ffffa0;}\n" /* NOLB state shows same as going down */
".active6 {background: #20a0ff;}\n" /* NOLB state shows different to be detected */
".active7 {background: #ffffa0;}\n" /* DRAIN going down = same as going down */
".active8 {background: #20a0FF;}\n" /* DRAIN must be detected (weight=0) */
".active9 {background: #e0e0e0;}\n"
".backup0 {background: #ff9090;}\n"
".backup1 {background: #ff9090;}\n"
".backup2 {background: #ff80ff;}\n"
".backup3 {background: #c060ff;}\n"
".backup4 {background: #b0d0ff;}\n"
".backup5 {background: #c060ff;}\n" /* NOLB state shows same as going down */
".backup6 {background: #90b0e0;}\n" /* NOLB state shows same as going down */
".backup7 {background: #c060ff;}\n"
".backup8 {background: #cc9900;}\n"
".backup9 {background: #e0e0e0;}\n"
".maintain {background: #c07820;}\n"
".rls {letter-spacing: 0.2em; margin-right: 1px;}\n" /* right letter spacing (used for grouping digits) */
"\n"
"a.px:link {color: #ffff40; text-decoration: none;}"
"a.px:visited {color: #ffff40; text-decoration: none;}"
"a.px:hover {color: #ffffff; text-decoration: none;}"
"a.lfsb:link {color: #000000; text-decoration: none;}"
"a.lfsb:visited {color: #000000; text-decoration: none;}"
"a.lfsb:hover {color: #505050; text-decoration: none;}"
"\n"
"table.tbl { border-collapse: collapse; border-style: none;}\n"
"table.tbl td { text-align: right; border-width: 1px 1px 1px 1px; border-style: solid solid solid solid; padding: 2px 3px; border-color: gray; white-space: nowrap;}\n"
"table.tbl td.ac { text-align: center;}\n"
"table.tbl th { border-width: 1px; border-style: solid solid solid solid; border-color: gray;}\n"
"table.tbl th.pxname { background: #b00040; color: #ffff40; font-weight: bold; border-style: solid solid none solid; padding: 2px 3px; white-space: nowrap;}\n"
"table.tbl th.empty { border-style: none; empty-cells: hide; background: white;}\n"
"table.tbl th.desc { background: white; border-style: solid solid none solid; text-align: left; padding: 2px 3px;}\n"
"\n"
"table.lgd { border-collapse: collapse; border-width: 1px; border-style: none none none solid; border-color: black;}\n"
"table.lgd td { border-width: 1px; border-style: solid solid solid solid; border-color: gray; padding: 2px;}\n"
"table.lgd td.noborder { border-style: none; padding: 2px; white-space: nowrap;}\n"
"table.det { border-collapse: collapse; border-style: none; }\n"
"table.det th { text-align: left; border-width: 0px; padding: 0px 1px 0px 0px; font-style:normal;font-size:11px;font-weight:bold;font-family: sans-serif;}\n"
"table.det td { text-align: right; border-width: 0px; padding: 0px 0px 0px 4px; white-space: nowrap; font-style:normal;font-size:11px;font-weight:normal;}\n"
"u {text-decoration:none; border-bottom: 1px dotted black;}\n"
"div.tips {\n"
" display:block;\n"
" visibility:hidden;\n"
" z-index:2147483647;\n"
" position:absolute;\n"
" padding:2px 4px 3px;\n"
" background:#f0f060; color:#000000;\n"
" border:1px solid #7040c0;\n"
" white-space:nowrap;\n"
" font-style:normal;font-size:11px;font-weight:normal;\n"
" -moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px;\n"
" -moz-box-shadow:gray 2px 2px 3px;-webkit-box-shadow:gray 2px 2px 3px;box-shadow:gray 2px 2px 3px;\n"
"}\n"
"u:hover div.tips {visibility:visible;}\n"
"-->\n"
"</style></head>\n",
(uri->flags & ST_SHNODE) ? " on " : "",
(uri->flags & ST_SHNODE) ? (uri->node ? uri->node : global.node) : ""
);
}
/* Dumps the HTML stats information block to the trash for and uses the state from
* stream interface <si> and per-uri parameters <uri>. The caller is responsible
* for clearing the trash if needed.
*/
static void stats_dump_html_info(struct stream_interface *si, struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
unsigned int up = (now.tv_sec - start_date.tv_sec);
char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
/* WARNING! this has to fit the first packet too.
* We are around 3.5 kB, add adding entries will
* become tricky if we want to support 4kB buffers !
*/
chunk_appendf(&trash,
"<body><h1><a href=\"" PRODUCT_URL "\" style=\"text-decoration: none;\">"
PRODUCT_NAME "%s</a></h1>\n"
"<h2>Statistics Report for pid %d%s%s%s%s</h2>\n"
"<hr width=\"100%%\" class=\"hr\">\n"
"<h3>&gt; General process information</h3>\n"
"<table border=0><tr><td align=\"left\" nowrap width=\"1%%\">\n"
"<p><b>pid = </b> %d (process #%d, nbproc = %d)<br>\n"
"<b>uptime = </b> %dd %dh%02dm%02ds<br>\n"
"<b>system limits:</b> memmax = %s%s; ulimit-n = %d<br>\n"
"<b>maxsock = </b> %d; <b>maxconn = </b> %d; <b>maxpipes = </b> %d<br>\n"
"current conns = %d; current pipes = %d/%d; conn rate = %d/sec<br>\n"
"Running tasks: %d/%d; idle = %d %%<br>\n"
"</td><td align=\"center\" nowrap>\n"
"<table class=\"lgd\"><tr>\n"
"<td class=\"active4\">&nbsp;</td><td class=\"noborder\">active UP </td>"
"<td class=\"backup4\">&nbsp;</td><td class=\"noborder\">backup UP </td>"
"</tr><tr>\n"
"<td class=\"active3\"></td><td class=\"noborder\">active UP, going down </td>"
"<td class=\"backup3\"></td><td class=\"noborder\">backup UP, going down </td>"
"</tr><tr>\n"
"<td class=\"active2\"></td><td class=\"noborder\">active DOWN, going up </td>"
"<td class=\"backup2\"></td><td class=\"noborder\">backup DOWN, going up </td>"
"</tr><tr>\n"
"<td class=\"active0\"></td><td class=\"noborder\">active or backup DOWN &nbsp;</td>"
"<td class=\"active9\"></td><td class=\"noborder\">not checked </td>"
"</tr><tr>\n"
"<td class=\"maintain\"></td><td class=\"noborder\" colspan=\"3\">active or backup DOWN for maintenance (MAINT) &nbsp;</td>"
"</tr><tr>\n"
"<td class=\"active8\"></td><td class=\"noborder\" colspan=\"3\">active or backup SOFT STOPPED for maintenance &nbsp;</td>"
"</tr></table>\n"
"Note: \"NOLB\"/\"DRAIN\" = UP with load-balancing disabled."
"</td>"
"<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
"<b>Display option:</b><ul style=\"margin-top: 0.25em;\">"
"",
(uri->flags & ST_HIDEVER) ? "" : (STATS_VERSION_STRING),
pid, (uri->flags & ST_SHNODE) ? " on " : "",
(uri->flags & ST_SHNODE) ? (uri->node ? uri->node : global.node) : "",
(uri->flags & ST_SHDESC) ? ": " : "",
(uri->flags & ST_SHDESC) ? (uri->desc ? uri->desc : global.desc) : "",
pid, relative_pid, global.nbproc,
up / 86400, (up % 86400) / 3600,
(up % 3600) / 60, (up % 60),
global.rlimit_memmax ? ultoa(global.rlimit_memmax) : "unlimited",
global.rlimit_memmax ? " MB" : "",
global.rlimit_nofile,
global.maxsock, global.maxconn, global.maxpipes,
actconn, pipes_used, pipes_used+pipes_free, read_freq_ctr(&global.conn_per_sec),
run_queue_cur, nb_tasks_cur, idle_pct
);
/* scope_txt = search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
memcpy(scope_txt, bo_ptr(si->ob->buf) + appctx->ctx.stats.scope_str, appctx->ctx.stats.scope_len);
scope_txt[appctx->ctx.stats.scope_len] = '\0';
chunk_appendf(&trash,
"<li><form method=\"GET\" action=\"%s%s%s\">Scope : <input value=\"%s\" name=\"" STAT_SCOPE_INPUT_NAME "\" size=\"8\" maxlength=\"%d\" tabindex=\"1\"/></form>\n",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
(appctx->ctx.stats.scope_len > 0) ? scope_txt : "",
STAT_SCOPE_TXT_MAXLEN);
/* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
scope_txt[0] = 0;
if (appctx->ctx.stats.scope_len) {
strcpy(scope_txt, STAT_SCOPE_PATTERN);
memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), bo_ptr(si->ob->buf) + appctx->ctx.stats.scope_str, appctx->ctx.stats.scope_len);
scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
}
if (appctx->ctx.stats.flags & STAT_HIDE_DOWN)
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Show all servers</a><br>\n",
uri->uri_prefix,
"",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
else
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Hide 'DOWN' servers</a><br>\n",
uri->uri_prefix,
";up",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
if (uri->refresh > 0) {
if (appctx->ctx.stats.flags & STAT_NO_REFRESH)
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Enable refresh</a><br>\n",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
"",
scope_txt);
else
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Disable refresh</a><br>\n",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
";norefresh",
scope_txt);
}
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Refresh now</a><br>\n",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
chunk_appendf(&trash,
"<li><a href=\"%s;csv%s%s\">CSV export</a><br>\n",
uri->uri_prefix,
(uri->refresh > 0) ? ";norefresh" : "",
scope_txt);
chunk_appendf(&trash,
"</ul></td>"
"<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
"<b>External resources:</b><ul style=\"margin-top: 0.25em;\">\n"
"<li><a href=\"" PRODUCT_URL "\">Primary site</a><br>\n"
"<li><a href=\"" PRODUCT_URL_UPD "\">Updates (v" PRODUCT_BRANCH ")</a><br>\n"
"<li><a href=\"" PRODUCT_URL_DOC "\">Online manual</a><br>\n"
"</ul>"
"</td>"
"</tr></table>\n"
""
);
if (appctx->ctx.stats.st_code) {
switch (appctx->ctx.stats.st_code) {
case STAT_STATUS_DONE:
chunk_appendf(&trash,
"<p><div class=active4>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Action processed successfully."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_NONE:
chunk_appendf(&trash,
"<p><div class=active3>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Nothing has changed."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_PART:
chunk_appendf(&trash,
"<p><div class=active3>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Action partially processed.<br>"
"Some server names are probably unknown or ambiguous (duplicated names in the backend)."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_ERRP:
chunk_appendf(&trash,
"<p><div class=active0>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Action not processed because of invalid parameters."
"<ul>"
"<li>The action is maybe unknown.</li>"
"<li>The backend name is probably unknown or ambiguous (duplicated names).</li>"
"<li>Some server names are probably unknown or ambiguous (duplicated names in the backend).</li>"
"</ul>"
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_EXCD:
chunk_appendf(&trash,
"<p><div class=active0>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"<b>Action not processed : the buffer couldn't store all the data.<br>"
"You should retry with less servers at a time.</b>"
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_DENY:
chunk_appendf(&trash,
"<p><div class=active0>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"<b>Action denied.</b>"
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
default:
chunk_appendf(&trash,
"<p><div class=active9>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Unexpected result."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
}
chunk_appendf(&trash, "<p>\n");
}
}
/* Dumps the HTML stats trailer block to the trash. The caller is responsible
* for clearing the trash if needed.
*/
static void stats_dump_html_end()
{
chunk_appendf(&trash, "</body></html>\n");
}
/* This function dumps statistics onto the stream interface's read buffer in
* either CSV or HTML format. <uri> contains some HTML-specific parameters that
* are ignored for CSV format (hence <uri> may be NULL there). It returns 0 if
* it had to stop writing data and an I/O is needed, 1 if the dump is finished
* and the session must be closed, or -1 in case of any error. This function is
* used by both the CLI and the HTTP handlers.
*/
static int stats_dump_stat_to_buffer(struct stream_interface *si, struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
struct channel *rep = si->ib;
struct proxy *px;
chunk_reset(&trash);
switch (appctx->st2) {
case STAT_ST_INIT:
appctx->st2 = STAT_ST_HEAD; /* let's start producing data */
/* fall through */
case STAT_ST_HEAD:
if (appctx->ctx.stats.flags & STAT_FMT_HTML)
stats_dump_html_head(uri);
else
stats_dump_csv_header();
if (bi_putchk(rep, &trash) == -1)
return 0;
appctx->st2 = STAT_ST_INFO;
/* fall through */
case STAT_ST_INFO:
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
stats_dump_html_info(si, uri);
if (bi_putchk(rep, &trash) == -1)
return 0;
}
appctx->ctx.stats.px = proxy;
appctx->ctx.stats.px_st = STAT_PX_ST_INIT;
appctx->st2 = STAT_ST_LIST;
/* fall through */
case STAT_ST_LIST:
/* dump proxies */
while (appctx->ctx.stats.px) {
if (buffer_almost_full(rep->buf)) {
rep->flags |= CF_WAKE_WRITE;
return 0;
}
px = appctx->ctx.stats.px;
/* skip the disabled proxies, global frontend and non-networked ones */
if (px->state != PR_STSTOPPED && px->uuid > 0 && (px->cap & (PR_CAP_FE | PR_CAP_BE)))
if (stats_dump_proxy_to_buffer(si, px, uri) == 0)
return 0;
appctx->ctx.stats.px = px->next;
appctx->ctx.stats.px_st = STAT_PX_ST_INIT;
}
/* here, we just have reached the last proxy */
appctx->st2 = STAT_ST_END;
/* fall through */
case STAT_ST_END:
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
stats_dump_html_end();
if (bi_putchk(rep, &trash) == -1)
return 0;
}
appctx->st2 = STAT_ST_FIN;
/* fall through */
case STAT_ST_FIN:
return 1;
default:
/* unknown state ! */
appctx->st2 = STAT_ST_FIN;
return -1;
}
}
/* We reached the stats page through a POST request. The appctx is
* expected to have already been allocated by the caller.
* Parse the posted data and enable/disable servers if necessary.
* Returns 1 if request was parsed or zero if it needs more data.
*/
static int stats_process_http_post(struct stream_interface *si)
{
struct session *s = session_from_task(si->owner);
struct appctx *appctx = objt_appctx(si->end);
struct proxy *px = NULL;
struct server *sv = NULL;
char key[LINESIZE];
int action = ST_ADM_ACTION_NONE;
int reprocess = 0;
int total_servers = 0;
int altered_servers = 0;
char *first_param, *cur_param, *next_param, *end_params;
char *st_cur_param = NULL;
char *st_next_param = NULL;
struct chunk *temp;
int reql;
temp = get_trash_chunk();
if (temp->size < s->txn.req.body_len) {
/* too large request */
appctx->ctx.stats.st_code = STAT_STATUS_EXCD;
goto out;
}
reql = bo_getblk(si->ob, temp->str, s->txn.req.body_len, s->txn.req.eoh + 2);
if (reql <= 0) {
/* we need more data */
appctx->ctx.stats.st_code = STAT_STATUS_NONE;
return 0;
}
first_param = temp->str;
end_params = temp->str + reql;
cur_param = next_param = end_params;
*end_params = '\0';
appctx->ctx.stats.st_code = STAT_STATUS_NONE;
/*
* Parse the parameters in reverse order to only store the last value.
* From the html form, the backend and the action are at the end.
*/
while (cur_param > first_param) {
char *value;
int poffset, plen;
cur_param--;
if ((*cur_param == '&') || (cur_param == first_param)) {
reprocess_servers:
/* Parse the key */
poffset = (cur_param != first_param ? 1 : 0);
plen = next_param - cur_param + (cur_param == first_param ? 1 : 0);
if ((plen > 0) && (plen <= sizeof(key))) {
strncpy(key, cur_param + poffset, plen);
key[plen - 1] = '\0';
} else {
appctx->ctx.stats.st_code = STAT_STATUS_EXCD;
goto out;
}
/* Parse the value */
value = key;
while (*value != '\0' && *value != '=') {
value++;
}
if (*value == '=') {
/* Ok, a value is found, we can mark the end of the key */
*value++ = '\0';
}
if (url_decode(key) < 0 || url_decode(value) < 0)
break;
/* Now we can check the key to see what to do */
if (!px && (strcmp(key, "b") == 0)) {
if ((px = findproxy(value, PR_CAP_BE)) == NULL) {
/* the backend name is unknown or ambiguous (duplicate names) */
appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
goto out;
}
}
else if (!action && (strcmp(key, "action") == 0)) {
if (strcmp(value, "ready") == 0) {
action = ST_ADM_ACTION_READY;
}
else if (strcmp(value, "drain") == 0) {
action = ST_ADM_ACTION_DRAIN;
}
else if (strcmp(value, "maint") == 0) {
action = ST_ADM_ACTION_MAINT;
}
else if (strcmp(value, "shutdown") == 0) {
action = ST_ADM_ACTION_SHUTDOWN;
}
else if (strcmp(value, "dhlth") == 0) {
action = ST_ADM_ACTION_DHLTH;
}
else if (strcmp(value, "ehlth") == 0) {
action = ST_ADM_ACTION_EHLTH;
}
else if (strcmp(value, "hrunn") == 0) {
action = ST_ADM_ACTION_HRUNN;
}
else if (strcmp(value, "hnolb") == 0) {
action = ST_ADM_ACTION_HNOLB;
}
else if (strcmp(value, "hdown") == 0) {
action = ST_ADM_ACTION_HDOWN;
}
else if (strcmp(value, "dagent") == 0) {
action = ST_ADM_ACTION_DAGENT;
}
else if (strcmp(value, "eagent") == 0) {
action = ST_ADM_ACTION_EAGENT;
}
else if (strcmp(value, "arunn") == 0) {
action = ST_ADM_ACTION_ARUNN;
}
else if (strcmp(value, "adown") == 0) {
action = ST_ADM_ACTION_ADOWN;
}
/* else these are the old supported methods */
else if (strcmp(value, "disable") == 0) {
action = ST_ADM_ACTION_DISABLE;
}
else if (strcmp(value, "enable") == 0) {
action = ST_ADM_ACTION_ENABLE;
}
else if (strcmp(value, "stop") == 0) {
action = ST_ADM_ACTION_STOP;
}
else if (strcmp(value, "start") == 0) {
action = ST_ADM_ACTION_START;
}
else {
appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
goto out;
}
}
else if (strcmp(key, "s") == 0) {
if (!(px && action)) {
/*
* Indicates that we'll need to reprocess the parameters
* as soon as backend and action are known
*/
if (!reprocess) {
st_cur_param = cur_param;
st_next_param = next_param;
}
reprocess = 1;
}
else if ((sv = findserver(px, value)) != NULL) {
switch (action) {
case ST_ADM_ACTION_DISABLE:
if (!(sv->admin & SRV_ADMF_FMAINT)) {
altered_servers++;
total_servers++;
srv_set_admin_flag(sv, SRV_ADMF_FMAINT);
}
break;
case ST_ADM_ACTION_ENABLE:
if (sv->admin & SRV_ADMF_FMAINT) {
altered_servers++;
total_servers++;
srv_clr_admin_flag(sv, SRV_ADMF_FMAINT);
}
break;
case ST_ADM_ACTION_STOP:
if (!(sv->admin & SRV_ADMF_FDRAIN)) {
srv_set_admin_flag(sv, SRV_ADMF_FDRAIN);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_START:
if (sv->admin & SRV_ADMF_FDRAIN) {
srv_clr_admin_flag(sv, SRV_ADMF_FDRAIN);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_DHLTH:
if (sv->check.state & CHK_ST_CONFIGURED) {
sv->check.state &= ~CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_EHLTH:
if (sv->check.state & CHK_ST_CONFIGURED) {
sv->check.state |= CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_HRUNN:
if (!(sv->track)) {
sv->check.health = sv->check.rise + sv->check.fall - 1;
srv_set_running(sv, "changed from Web interface");
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_HNOLB:
if (!(sv->track)) {
sv->check.health = sv->check.rise + sv->check.fall - 1;
srv_set_stopping(sv, "changed from Web interface");
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_HDOWN:
if (!(sv->track)) {
sv->check.health = 0;
srv_set_stopped(sv, "changed from Web interface");
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_DAGENT:
if (sv->agent.state & CHK_ST_CONFIGURED) {
sv->agent.state &= ~CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_EAGENT:
if (sv->agent.state & CHK_ST_CONFIGURED) {
sv->agent.state |= CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_ARUNN:
if (sv->agent.state & CHK_ST_ENABLED) {
sv->agent.health = sv->agent.rise + sv->agent.fall - 1;
srv_set_running(sv, "changed from Web interface");
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_ADOWN:
if (sv->agent.state & CHK_ST_ENABLED) {
sv->agent.health = 0;
srv_set_stopped(sv, "changed from Web interface");
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_READY:
srv_adm_set_ready(sv);
altered_servers++;
total_servers++;
break;
case ST_ADM_ACTION_DRAIN:
srv_adm_set_drain(sv);
altered_servers++;
total_servers++;
break;
case ST_ADM_ACTION_MAINT:
srv_adm_set_maint(sv);
altered_servers++;
total_servers++;
break;
case ST_ADM_ACTION_SHUTDOWN:
if (px->state != PR_STSTOPPED) {
struct session *sess, *sess_bck;
list_for_each_entry_safe(sess, sess_bck, &sv->actconns, by_srv)
if (sess->srv_conn == sv)
session_shutdown(sess, SN_ERR_KILLED);
altered_servers++;
total_servers++;
}
break;
}
} else {
/* the server name is unknown or ambiguous (duplicate names) */
total_servers++;
}
}
if (reprocess && px && action) {
/* Now, we know the backend and the action chosen by the user.
* We can safely restart from the first server parameter
* to reprocess them
*/
cur_param = st_cur_param;
next_param = st_next_param;
reprocess = 0;
goto reprocess_servers;
}
next_param = cur_param;
}
}
if (total_servers == 0) {
appctx->ctx.stats.st_code = STAT_STATUS_NONE;
}
else if (altered_servers == 0) {
appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
}
else if (altered_servers == total_servers) {
appctx->ctx.stats.st_code = STAT_STATUS_DONE;
}
else {
appctx->ctx.stats.st_code = STAT_STATUS_PART;
}
out:
return 1;
}
static int stats_send_http_headers(struct stream_interface *si)
{
struct session *s = session_from_task(si->owner);
struct uri_auth *uri = s->be->uri_auth;
struct appctx *appctx = objt_appctx(si->end);
chunk_printf(&trash,
"HTTP/1.1 200 OK\r\n"
"Cache-Control: no-cache\r\n"
"Connection: close\r\n"
"Content-Type: %s\r\n",
(appctx->ctx.stats.flags & STAT_FMT_HTML) ? "text/html" : "text/plain");
if (uri->refresh > 0 && !(appctx->ctx.stats.flags & STAT_NO_REFRESH))
chunk_appendf(&trash, "Refresh: %d\r\n",
uri->refresh);
/* we don't send the CRLF in chunked mode, it will be sent with the first chunk's size */
if (appctx->ctx.stats.flags & STAT_CHUNKED)
chunk_appendf(&trash, "Transfer-Encoding: chunked\r\n");
else
chunk_appendf(&trash, "\r\n");
s->txn.status = 200;
s->logs.tv_request = now;
if (bi_putchk(si->ib, &trash) == -1)
return 0;
return 1;
}
static int stats_send_http_redirect(struct stream_interface *si)
{
char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
struct session *s = session_from_task(si->owner);
struct uri_auth *uri = s->be->uri_auth;
struct appctx *appctx = objt_appctx(si->end);
/* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
scope_txt[0] = 0;
if (appctx->ctx.stats.scope_len) {
strcpy(scope_txt, STAT_SCOPE_PATTERN);
memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), bo_ptr(si->ob->buf) + appctx->ctx.stats.scope_str, appctx->ctx.stats.scope_len);
scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
}
/* We don't want to land on the posted stats page because a refresh will
* repost the data. We don't want this to happen on accident so we redirect
* the browse to the stats page with a GET.
*/
chunk_printf(&trash,
"HTTP/1.1 303 See Other\r\n"
"Cache-Control: no-cache\r\n"
"Content-Type: text/plain\r\n"
"Connection: close\r\n"
"Location: %s;st=%s%s%s%s\r\n"
"\r\n",
uri->uri_prefix,
((appctx->ctx.stats.st_code > STAT_STATUS_INIT) &&
(appctx->ctx.stats.st_code < STAT_STATUS_SIZE) &&
stat_status_codes[appctx->ctx.stats.st_code]) ?
stat_status_codes[appctx->ctx.stats.st_code] :
stat_status_codes[STAT_STATUS_UNKN],
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
s->txn.status = 303;
s->logs.tv_request = now;
if (bi_putchk(si->ib, &trash) == -1)
return 0;
return 1;
}
/* This I/O handler runs as an applet embedded in a stream interface. It is
* used to send HTTP stats over a TCP socket. The mechanism is very simple.
* appctx->st0 contains the operation in progress (dump, done). The handler
* automatically unregisters itself once transfer is complete.
*/
static void http_stats_io_handler(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
struct session *s = session_from_task(si->owner);
struct channel *req = si->ob;
struct channel *res = si->ib;
if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
goto out;
/* check that the output is not closed */
if (res->flags & (CF_SHUTW|CF_SHUTW_NOW))
appctx->st0 = STAT_HTTP_DONE;
/* all states are processed in sequence */
if (appctx->st0 == STAT_HTTP_HEAD) {
if (stats_send_http_headers(si)) {
if (s->txn.meth == HTTP_METH_HEAD)
appctx->st0 = STAT_HTTP_DONE;
else
appctx->st0 = STAT_HTTP_DUMP;
}
}
if (appctx->st0 == STAT_HTTP_DUMP) {
unsigned int prev_len = si->ib->buf->i;
unsigned int data_len;
unsigned int last_len;
unsigned int last_fwd = 0;
if (appctx->ctx.stats.flags & STAT_CHUNKED) {
/* One difficulty we're facing is that we must prevent
* the input data from being automatically forwarded to
* the output area. For this, we temporarily disable
* forwarding on the channel.
*/
last_fwd = si->ib->to_forward;
si->ib->to_forward = 0;
chunk_printf(&trash, "\r\n000000\r\n");
if (bi_putchk(si->ib, &trash) == -1) {
si->ib->to_forward = last_fwd;
goto fail;
}
}
data_len = si->ib->buf->i;
if (stats_dump_stat_to_buffer(si, s->be->uri_auth))
appctx->st0 = STAT_HTTP_DONE;
last_len = si->ib->buf->i;
/* Now we must either adjust or remove the chunk size. This is
* not easy because the chunk size might wrap at the end of the
* buffer, so we pretend we have nothing in the buffer, we write
* the size, then restore the buffer's contents. Note that we can
* only do that because no forwarding is scheduled on the stats
* applet.
*/
if (appctx->ctx.stats.flags & STAT_CHUNKED) {
si->ib->total -= (last_len - prev_len);
si->ib->buf->i -= (last_len - prev_len);
if (last_len != data_len) {
chunk_printf(&trash, "\r\n%06x\r\n", (last_len - data_len));
bi_putchk(si->ib, &trash);
si->ib->total += (last_len - data_len);
si->ib->buf->i += (last_len - data_len);
}
/* now re-enable forwarding */
channel_forward(si->ib, last_fwd);
}
}
if (appctx->st0 == STAT_HTTP_POST) {
if (stats_process_http_post(si))
appctx->st0 = STAT_HTTP_LAST;
else if (si->ob->flags & CF_SHUTR)
appctx->st0 = STAT_HTTP_DONE;
}
if (appctx->st0 == STAT_HTTP_LAST) {
if (stats_send_http_redirect(si))
appctx->st0 = STAT_HTTP_DONE;
}
if (appctx->st0 == STAT_HTTP_DONE) {
if (appctx->ctx.stats.flags & STAT_CHUNKED) {
chunk_printf(&trash, "\r\n0\r\n\r\n");
if (bi_putchk(si->ib, &trash) == -1)
goto fail;
}
/* eat the whole request */
bo_skip(si->ob, si->ob->buf->o);
res->flags |= CF_READ_NULL;
si_shutr(si);
}
if ((res->flags & CF_SHUTR) && (si->state == SI_ST_EST))
si_shutw(si);
if (appctx->st0 == STAT_HTTP_DONE) {
if ((req->flags & CF_SHUTW) && (si->state == SI_ST_EST)) {
si_shutr(si);
res->flags |= CF_READ_NULL;
}
}
fail:
/* update all other flags and resync with the other side */
si_update(si);
/* we don't want to expire timeouts while we're processing requests */
si->ib->rex = TICK_ETERNITY;
si->ob->wex = TICK_ETERNITY;
out:
if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) {
/* check that we have released everything then unregister */
stream_int_unregister_handler(si);
}
}
static inline const char *get_conn_ctrl_name(const struct connection *conn)
{
if (!conn_ctrl_ready(conn))
return "NONE";
return conn->ctrl->name;
}
static inline const char *get_conn_xprt_name(const struct connection *conn)
{
static char ptr[17];
if (!conn_xprt_ready(conn))
return "NONE";
if (conn->xprt == &raw_sock)
return "RAW";
#ifdef USE_OPENSSL
if (conn->xprt == &ssl_sock)
return "SSL";
#endif
snprintf(ptr, sizeof(ptr), "%p", conn->xprt);
return ptr;
}
static inline const char *get_conn_data_name(const struct connection *conn)
{
static char ptr[17];
if (!conn->data)
return "NONE";
if (conn->data == &sess_conn_cb)
return "SESS";
if (conn->data == &si_conn_cb)
return "STRM";
if (conn->data == &check_conn_cb)
return "CHCK";
snprintf(ptr, sizeof(ptr), "%p", conn->data);
return ptr;
}
/* This function dumps a complete session state onto the stream interface's
* read buffer. The session has to be set in sess->target. It returns
* 0 if the output buffer is full and it needs to be called again, otherwise
* non-zero. It is designed to be called from stats_dump_sess_to_buffer() below.
*/
static int stats_dump_full_sess_to_buffer(struct stream_interface *si, struct session *sess)
{
struct appctx *appctx = __objt_appctx(si->end);
struct tm tm;
extern const char *monthname[12];
char pn[INET6_ADDRSTRLEN];
struct connection *conn;
struct appctx *tmpctx;
chunk_reset(&trash);
if (appctx->ctx.sess.section > 0 && appctx->ctx.sess.uid != sess->uniq_id) {
/* session changed, no need to go any further */
chunk_appendf(&trash, " *** session terminated while we were watching it ***\n");
if (bi_putchk(si->ib, &trash) == -1)
return 0;
appctx->ctx.sess.uid = 0;
appctx->ctx.sess.section = 0;
return 1;
}
switch (appctx->ctx.sess.section) {
case 0: /* main status of the session */
appctx->ctx.sess.uid = sess->uniq_id;
appctx->ctx.sess.section = 1;
/* fall through */
case 1:
get_localtime(sess->logs.accept_date.tv_sec, &tm);
chunk_appendf(&trash,
"%p: [%02d/%s/%04d:%02d:%02d:%02d.%06d] id=%u proto=%s",
sess,
tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900,
tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(sess->logs.accept_date.tv_usec),
sess->uniq_id,
sess->listener && sess->listener->proto->name ? sess->listener->proto->name : "?");
conn = objt_conn(sess->si[0].end);
switch (conn ? addr_to_str(&conn->addr.from, pn, sizeof(pn)) : AF_UNSPEC) {
case AF_INET:
case AF_INET6:
chunk_appendf(&trash, " source=%s:%d\n",
pn, get_host_port(&conn->addr.from));
break;
case AF_UNIX:
chunk_appendf(&trash, " source=unix:%d\n", sess->listener->luid);
break;
default:
/* no more information to print right now */
chunk_appendf(&trash, "\n");
break;
}
chunk_appendf(&trash,
" flags=0x%x, conn_retries=%d, srv_conn=%p, pend_pos=%p\n",
sess->flags, sess->si[1].conn_retries, sess->srv_conn, sess->pend_pos);
chunk_appendf(&trash,
" frontend=%s (id=%u mode=%s), listener=%s (id=%u)",
sess->fe->id, sess->fe->uuid, sess->fe->mode ? "http" : "tcp",
sess->listener ? sess->listener->name ? sess->listener->name : "?" : "?",
sess->listener ? sess->listener->luid : 0);
if (conn)
conn_get_to_addr(conn);
switch (conn ? addr_to_str(&conn->addr.to, pn, sizeof(pn)) : AF_UNSPEC) {
case AF_INET:
case AF_INET6:
chunk_appendf(&trash, " addr=%s:%d\n",
pn, get_host_port(&conn->addr.to));
break;
case AF_UNIX:
chunk_appendf(&trash, " addr=unix:%d\n", sess->listener->luid);
break;
default:
/* no more information to print right now */
chunk_appendf(&trash, "\n");
break;
}
if (sess->be->cap & PR_CAP_BE)
chunk_appendf(&trash,
" backend=%s (id=%u mode=%s)",
sess->be->id,
sess->be->uuid, sess->be->mode ? "http" : "tcp");
else
chunk_appendf(&trash, " backend=<NONE> (id=-1 mode=-)");
conn = objt_conn(sess->si[1].end);
if (conn)
conn_get_from_addr(conn);
switch (conn ? addr_to_str(&conn->addr.from, pn, sizeof(pn)) : AF_UNSPEC) {
case AF_INET:
case AF_INET6:
chunk_appendf(&trash, " addr=%s:%d\n",
pn, get_host_port(&conn->addr.from));
break;
case AF_UNIX:
chunk_appendf(&trash, " addr=unix\n");
break;
default:
/* no more information to print right now */
chunk_appendf(&trash, "\n");
break;
}
if (sess->be->cap & PR_CAP_BE)
chunk_appendf(&trash,
" server=%s (id=%u)",
objt_server(sess->target) ? objt_server(sess->target)->id : "<none>",
objt_server(sess->target) ? objt_server(sess->target)->puid : 0);
else
chunk_appendf(&trash, " server=<NONE> (id=-1)");
if (conn)
conn_get_to_addr(conn);
switch (conn ? addr_to_str(&conn->addr.to, pn, sizeof(pn)) : AF_UNSPEC) {
case AF_INET:
case AF_INET6:
chunk_appendf(&trash, " addr=%s:%d\n",
pn, get_host_port(&conn->addr.to));
break;
case AF_UNIX:
chunk_appendf(&trash, " addr=unix\n");
break;
default:
/* no more information to print right now */
chunk_appendf(&trash, "\n");
break;
}
chunk_appendf(&trash,
" task=%p (state=0x%02x nice=%d calls=%d exp=%s%s",
sess->task,
sess->task->state,
sess->task->nice, sess->task->calls,
sess->task->expire ?
tick_is_expired(sess->task->expire, now_ms) ? "<PAST>" :
human_time(TICKS_TO_MS(sess->task->expire - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>",
task_in_rq(sess->task) ? ", running" : "");
chunk_appendf(&trash,
" age=%s)\n",
human_time(now.tv_sec - sess->logs.accept_date.tv_sec, 1));
chunk_appendf(&trash,
" txn=%p flags=0x%x meth=%d status=%d req.st=%s rsp.st=%s\n",
&sess->txn, sess->txn.flags, sess->txn.meth, sess->txn.status,
http_msg_state_str(sess->txn.req.msg_state), http_msg_state_str(sess->txn.rsp.msg_state));
chunk_appendf(&trash,
" si[0]=%p (state=%s flags=0x%02x endp0=%s:%p exp=%s, et=0x%03x)\n",
&sess->si[0],
si_state_str(sess->si[0].state),
sess->si[0].flags,
obj_type_name(sess->si[0].end),
obj_base_ptr(sess->si[0].end),
sess->si[0].exp ?
tick_is_expired(sess->si[0].exp, now_ms) ? "<PAST>" :
human_time(TICKS_TO_MS(sess->si[0].exp - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>",
sess->si[0].err_type);
chunk_appendf(&trash,
" si[1]=%p (state=%s flags=0x%02x endp1=%s:%p exp=%s, et=0x%03x)\n",
&sess->si[1],
si_state_str(sess->si[1].state),
sess->si[1].flags,
obj_type_name(sess->si[1].end),
obj_base_ptr(sess->si[1].end),
sess->si[1].exp ?
tick_is_expired(sess->si[1].exp, now_ms) ? "<PAST>" :
human_time(TICKS_TO_MS(sess->si[1].exp - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>",
sess->si[1].err_type);
if ((conn = objt_conn(sess->si[0].end)) != NULL) {
chunk_appendf(&trash,
" co0=%p ctrl=%s xprt=%s data=%s target=%s:%p\n",
conn,
get_conn_ctrl_name(conn),
get_conn_xprt_name(conn),
get_conn_data_name(conn),
obj_type_name(conn->target),
obj_base_ptr(conn->target));
chunk_appendf(&trash,
" flags=0x%08x fd=%d fd.state=%02x fd.cache=%d updt=%d\n",
conn->flags,
conn->t.sock.fd,
conn->t.sock.fd >= 0 ? fdtab[conn->t.sock.fd].state : 0,
conn->t.sock.fd >= 0 ? fdtab[conn->t.sock.fd].cache : 0,
conn->t.sock.fd >= 0 ? fdtab[conn->t.sock.fd].updated : 0);
}
else if ((tmpctx = objt_appctx(sess->si[0].end)) != NULL) {
chunk_appendf(&trash,
" app0=%p st0=%d st1=%d st2=%d applet=%s\n",
tmpctx,
tmpctx->st0,
tmpctx->st1,
tmpctx->st2,
tmpctx->applet->name);
}
if ((conn = objt_conn(sess->si[1].end)) != NULL) {
chunk_appendf(&trash,
" co1=%p ctrl=%s xprt=%s data=%s target=%s:%p\n",
conn,
get_conn_ctrl_name(conn),
get_conn_xprt_name(conn),
get_conn_data_name(conn),
obj_type_name(conn->target),
obj_base_ptr(conn->target));
chunk_appendf(&trash,
" flags=0x%08x fd=%d fd_spec_e=%02x fd_spec_p=%d updt=%d\n",
conn->flags,
conn->t.sock.fd,
conn->t.sock.fd >= 0 ? fdtab[conn->t.sock.fd].state : 0,
conn->t.sock.fd >= 0 ? fdtab[conn->t.sock.fd].cache : 0,
conn->t.sock.fd >= 0 ? fdtab[conn->t.sock.fd].updated : 0);
}
else if ((tmpctx = objt_appctx(sess->si[1].end)) != NULL) {
chunk_appendf(&trash,
" app1=%p st0=%d st1=%d st2=%d applet=%s\n",
tmpctx,
tmpctx->st0,
tmpctx->st1,
tmpctx->st2,
tmpctx->applet->name);
}
chunk_appendf(&trash,
" req=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n"
" an_exp=%s",
sess->req,
sess->req->flags, sess->req->analysers,
sess->req->pipe ? sess->req->pipe->data : 0,
sess->req->to_forward, sess->req->total,
sess->req->analyse_exp ?
human_time(TICKS_TO_MS(sess->req->analyse_exp - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>");
chunk_appendf(&trash,
" rex=%s",
sess->req->rex ?
human_time(TICKS_TO_MS(sess->req->rex - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>");
chunk_appendf(&trash,
" wex=%s\n"
" buf=%p data=%p o=%d p=%d req.next=%d i=%d size=%d\n",
sess->req->wex ?
human_time(TICKS_TO_MS(sess->req->wex - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>",
sess->req->buf,
sess->req->buf->data, sess->req->buf->o,
(int)(sess->req->buf->p - sess->req->buf->data),
sess->txn.req.next, sess->req->buf->i,
sess->req->buf->size);
chunk_appendf(&trash,
" res=%p (f=0x%06x an=0x%x pipe=%d tofwd=%d total=%lld)\n"
" an_exp=%s",
sess->rep,
sess->rep->flags, sess->rep->analysers,
sess->rep->pipe ? sess->rep->pipe->data : 0,
sess->rep->to_forward, sess->rep->total,
sess->rep->analyse_exp ?
human_time(TICKS_TO_MS(sess->rep->analyse_exp - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>");
chunk_appendf(&trash,
" rex=%s",
sess->rep->rex ?
human_time(TICKS_TO_MS(sess->rep->rex - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>");
chunk_appendf(&trash,
" wex=%s\n"
" buf=%p data=%p o=%d p=%d rsp.next=%d i=%d size=%d\n",
sess->rep->wex ?
human_time(TICKS_TO_MS(sess->rep->wex - now_ms),
TICKS_TO_MS(1000)) : "<NEVER>",
sess->rep->buf,
sess->rep->buf->data, sess->rep->buf->o,
(int)(sess->rep->buf->p - sess->rep->buf->data),
sess->txn.rsp.next, sess->rep->buf->i,
sess->rep->buf->size);
if (bi_putchk(si->ib, &trash) == -1)
return 0;
/* use other states to dump the contents */
}
/* end of dump */
appctx->ctx.sess.uid = 0;
appctx->ctx.sess.section = 0;
return 1;
}
static int stats_pats_list(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
switch (appctx->st2) {
case STAT_ST_INIT:
/* Display the column headers. If the message cannot be sent,
* quit the fucntion with returning 0. The function is called
* later and restart at the state "STAT_ST_INIT".
*/
chunk_reset(&trash);
chunk_appendf(&trash, "# id (file) description\n");
if (bi_putchk(si->ib, &trash) == -1)
return 0;
/* Now, we start the browsing of the references lists.
* Note that the following call to LIST_ELEM return bad pointer. The only
* avalaible field of this pointer is <list>. It is used with the function
* pat_list_get_next() for retruning the first avalaible entry
*/
appctx->ctx.map.ref = LIST_ELEM(&pattern_reference, struct pat_ref *, list);
appctx->ctx.map.ref = pat_list_get_next(appctx->ctx.map.ref, &pattern_reference,
appctx->ctx.map.display_flags);
appctx->st2 = STAT_ST_LIST;
/* fall through */
case STAT_ST_LIST:
while (appctx->ctx.map.ref) {
chunk_reset(&trash);
/* Build messages. If the reference is used by another category than
* the listed categorie, display the information in the massage.
*/
chunk_appendf(&trash, "%d (%s) %s\n", appctx->ctx.map.ref->unique_id,
appctx->ctx.map.ref->reference ? appctx->ctx.map.ref->reference : "",
appctx->ctx.map.ref->display);
if (bi_putchk(si->ib, &trash) == -1) {
/* let's try again later from this session. We add ourselves into
* this session's users so that it can remove us upon termination.
*/
return 0;
}
/* get next list entry and check the end of the list */
appctx->ctx.map.ref = pat_list_get_next(appctx->ctx.map.ref, &pattern_reference,
appctx->ctx.map.display_flags);
}
appctx->st2 = STAT_ST_FIN;
/* fall through */
default:
appctx->st2 = STAT_ST_FIN;
return 1;
}
return 0;
}
static int stats_map_lookup(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
struct sample sample;
struct pattern *pat;
int match_method;
switch (appctx->st2) {
case STAT_ST_INIT:
/* Init to the first entry. The list cannot be change */
appctx->ctx.map.expr = LIST_ELEM(&appctx->ctx.map.ref->pat, struct pattern_expr *, list);
appctx->ctx.map.expr = pat_expr_get_next(appctx->ctx.map.expr, &appctx->ctx.map.ref->pat);
appctx->st2 = STAT_ST_LIST;
/* fall through */
case STAT_ST_LIST:
/* for each lookup type */
while (appctx->ctx.map.expr) {
/* initialise chunk to build new message */
chunk_reset(&trash);
/* execute pattern matching */
sample.type = SMP_T_STR;
sample.flags |= SMP_F_CONST;
sample.data.str.len = appctx->ctx.map.chunk.len;
sample.data.str.str = appctx->ctx.map.chunk.str;
if (appctx->ctx.map.expr->pat_head->match &&
sample_convert(&sample, appctx->ctx.map.expr->pat_head->expect_type))
pat = appctx->ctx.map.expr->pat_head->match(&sample, appctx->ctx.map.expr, 1);
else
pat = NULL;
/* build return message: set type of match */
for (match_method=0; match_method<PAT_MATCH_NUM; match_method++)
if (appctx->ctx.map.expr->pat_head->match == pat_match_fcts[match_method])
break;
if (match_method >= PAT_MATCH_NUM)
chunk_appendf(&trash, "type=unknown(%p)", appctx->ctx.map.expr->pat_head->match);
else
chunk_appendf(&trash, "type=%s", pat_match_names[match_method]);
/* case sensitive */
if (appctx->ctx.map.expr->mflags & PAT_MF_IGNORE_CASE)
chunk_appendf(&trash, ", case=insensitive");
else
chunk_appendf(&trash, ", case=sensitive");
/* Display no match, and set default value */
if (!pat) {
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
chunk_appendf(&trash, ", found=no");
else
chunk_appendf(&trash, ", match=no");
}
/* Display match and match info */
else {
/* display match */
if (appctx->ctx.map.display_flags == PAT_REF_MAP)
chunk_appendf(&trash, ", found=yes");
else
chunk_appendf(&trash, ", match=yes");
/* display index mode */
if (pat->sflags & PAT_SF_TREE)
chunk_appendf(&trash, ", idx=tree");
else
chunk_appendf(&trash, ", idx=list");
/* display pattern */
if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
if (pat->ref && pat->ref->pattern)
chunk_appendf(&trash, ", key=\"%s\"", pat->ref->pattern);
else
chunk_appendf(&trash, ", key=unknown");
}
else {
if (pat->ref && pat->ref->pattern)
chunk_appendf(&trash, ", pattern=\"%s\"", pat->ref->pattern);
else
chunk_appendf(&trash, ", pattern=unknown");
}
/* display return value */
if (appctx->ctx.map.display_flags == PAT_REF_MAP) {
if (pat->smp && pat->ref && pat->ref->sample)
chunk_appendf(&trash, ", value=\"%s\", type=\"%s\"",
pat->ref->sample, smp_to_type[pat->smp->type]);
else
chunk_appendf(&trash, ", value=none");
}
}
chunk_appendf(&trash, "\n");
/* display response */
if (bi_putchk(si->ib, &trash) == -1) {
/* let's try again later from this session. We add ourselves into
* this session's users so that it can remove us upon termination.
*/
return 0;
}
/* get next entry */
appctx->ctx.map.expr = pat_expr_get_next(appctx->ctx.map.expr,
&appctx->ctx.map.ref->pat);
}
appctx->st2 = STAT_ST_FIN;
/* fall through */
default:
appctx->st2 = STAT_ST_FIN;
free(appctx->ctx.map.chunk.str);
return 1;
}
}
static int stats_pat_list(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
switch (appctx->st2) {
case STAT_ST_INIT:
/* Init to the first entry. The list cannot be change */
appctx->ctx.map.elt = LIST_NEXT(&appctx->ctx.map.ref->head,
struct pat_ref_elt *, list);
if (&appctx->ctx.map.elt->list == &appctx->ctx.map.ref->head)
appctx->ctx.map.elt = NULL;
appctx->st2 = STAT_ST_LIST;
/* fall through */
case STAT_ST_LIST:
while (appctx->ctx.map.elt) {
chunk_reset(&trash);
/* build messages */
if (appctx->ctx.map.elt->sample)
chunk_appendf(&trash, "%p %s %s\n",
appctx->ctx.map.elt, appctx->ctx.map.elt->pattern,
appctx->ctx.map.elt->sample);
else
chunk_appendf(&trash, "%p %s\n",
appctx->ctx.map.elt, appctx->ctx.map.elt->pattern);
if (bi_putchk(si->ib, &trash) == -1) {
/* let's try again later from this session. We add ourselves into
* this session's users so that it can remove us upon termination.
*/
return 0;
}
/* get next list entry and check the end of the list */
appctx->ctx.map.elt = LIST_NEXT(&appctx->ctx.map.elt->list,
struct pat_ref_elt *, list);
if (&appctx->ctx.map.elt->list == &appctx->ctx.map.ref->head)
break;
}
appctx->st2 = STAT_ST_FIN;
/* fall through */
default:
appctx->st2 = STAT_ST_FIN;
return 1;
}
}
/* This function dumps all sessions' states onto the stream interface's
* read buffer. It returns 0 if the output buffer is full and it needs
* to be called again, otherwise non-zero. It is designed to be called
* from stats_dump_sess_to_buffer() below.
*/
static int stats_dump_sess_to_buffer(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
struct connection *conn;
if (unlikely(si->ib->flags & (CF_WRITE_ERROR|CF_SHUTW))) {
/* If we're forced to shut down, we might have to remove our
* reference to the last session being dumped.
*/
if (appctx->st2 == STAT_ST_LIST) {
if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) {
LIST_DEL(&appctx->ctx.sess.bref.users);
LIST_INIT(&appctx->ctx.sess.bref.users);
}
}
return 1;
}
chunk_reset(&trash);
switch (appctx->st2) {
case STAT_ST_INIT:
/* the function had not been called yet, let's prepare the
* buffer for a response. We initialize the current session
* pointer to the first in the global list. When a target
* session is being destroyed, it is responsible for updating
* this pointer. We know we have reached the end when this
* pointer points back to the head of the sessions list.
*/
LIST_INIT(&appctx->ctx.sess.bref.users);
appctx->ctx.sess.bref.ref = sessions.n;
appctx->st2 = STAT_ST_LIST;
/* fall through */
case STAT_ST_LIST:
/* first, let's detach the back-ref from a possible previous session */
if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users)) {
LIST_DEL(&appctx->ctx.sess.bref.users);
LIST_INIT(&appctx->ctx.sess.bref.users);
}
/* and start from where we stopped */
while (appctx->ctx.sess.bref.ref != &sessions) {
char pn[INET6_ADDRSTRLEN];
struct session *curr_sess;
curr_sess = LIST_ELEM(appctx->ctx.sess.bref.ref, struct session *, list);
if (appctx->ctx.sess.target) {
if (appctx->ctx.sess.target != (void *)-1 && appctx->ctx.sess.target != curr_sess)
goto next_sess;
LIST_ADDQ(&curr_sess->back_refs, &appctx->ctx.sess.bref.users);
/* call the proper dump() function and return if we're missing space */
if (!stats_dump_full_sess_to_buffer(si, curr_sess))
return 0;
/* session dump complete */
LIST_DEL(&appctx->ctx.sess.bref.users);
LIST_INIT(&appctx->ctx.sess.bref.users);
if (appctx->ctx.sess.target != (void *)-1) {
appctx->ctx.sess.target = NULL;
break;
}
else
goto next_sess;
}
chunk_appendf(&trash,
"%p: proto=%s",
curr_sess,
curr_sess->listener->proto->name);
conn = objt_conn(curr_sess->si[0].end);
switch (conn ? addr_to_str(&conn->addr.from, pn, sizeof(pn)) : AF_UNSPEC) {
case AF_INET:
case AF_INET6:
chunk_appendf(&trash,
" src=%s:%d fe=%s be=%s srv=%s",
pn,
get_host_port(&conn->addr.from),
curr_sess->fe->id,
(curr_sess->be->cap & PR_CAP_BE) ? curr_sess->be->id : "<NONE>",
objt_server(curr_sess->target) ? objt_server(curr_sess->target)->id : "<none>"
);
break;
case AF_UNIX:
chunk_appendf(&trash,
" src=unix:%d fe=%s be=%s srv=%s",
curr_sess->listener->luid,
curr_sess->fe->id,
(curr_sess->be->cap & PR_CAP_BE) ? curr_sess->be->id : "<NONE>",
objt_server(curr_sess->target) ? objt_server(curr_sess->target)->id : "<none>"
);
break;
}
chunk_appendf(&trash,
" ts=%02x age=%s calls=%d",
curr_sess->task->state,
human_time(now.tv_sec - curr_sess->logs.tv_accept.tv_sec, 1),
curr_sess->task->calls);
chunk_appendf(&trash,
" rq[f=%06xh,i=%d,an=%02xh,rx=%s",
curr_sess->req->flags,
curr_sess->req->buf->i,
curr_sess->req->analysers,
curr_sess->req->rex ?
human_time(TICKS_TO_MS(curr_sess->req->rex - now_ms),
TICKS_TO_MS(1000)) : "");
chunk_appendf(&trash,
",wx=%s",
curr_sess->req->wex ?
human_time(TICKS_TO_MS(curr_sess->req->wex - now_ms),
TICKS_TO_MS(1000)) : "");
chunk_appendf(&trash,
",ax=%s]",
curr_sess->req->analyse_exp ?
human_time(TICKS_TO_MS(curr_sess->req->analyse_exp - now_ms),
TICKS_TO_MS(1000)) : "");
chunk_appendf(&trash,
" rp[f=%06xh,i=%d,an=%02xh,rx=%s",
curr_sess->rep->flags,
curr_sess->rep->buf->i,
curr_sess->rep->analysers,
curr_sess->rep->rex ?
human_time(TICKS_TO_MS(curr_sess->rep->rex - now_ms),
TICKS_TO_MS(1000)) : "");
chunk_appendf(&trash,
",wx=%s",
curr_sess->rep->wex ?
human_time(TICKS_TO_MS(curr_sess->rep->wex - now_ms),
TICKS_TO_MS(1000)) : "");
chunk_appendf(&trash,
",ax=%s]",
curr_sess->rep->analyse_exp ?
human_time(TICKS_TO_MS(curr_sess->rep->analyse_exp - now_ms),
TICKS_TO_MS(1000)) : "");
conn = objt_conn(curr_sess->si[0].end);
chunk_appendf(&trash,
" s0=[%d,%1xh,fd=%d,ex=%s]",
curr_sess->si[0].state,
curr_sess->si[0].flags,
conn ? conn->t.sock.fd : -1,
curr_sess->si[0].exp ?
human_time(TICKS_TO_MS(curr_sess->si[0].exp - now_ms),
TICKS_TO_MS(1000)) : "");
conn = objt_conn(curr_sess->si[1].end);
chunk_appendf(&trash,
" s1=[%d,%1xh,fd=%d,ex=%s]",
curr_sess->si[1].state,
curr_sess->si[1].flags,
conn ? conn->t.sock.fd : -1,
curr_sess->si[1].exp ?
human_time(TICKS_TO_MS(curr_sess->si[1].exp - now_ms),
TICKS_TO_MS(1000)) : "");
chunk_appendf(&trash,
" exp=%s",
curr_sess->task->expire ?
human_time(TICKS_TO_MS(curr_sess->task->expire - now_ms),
TICKS_TO_MS(1000)) : "");
if (task_in_rq(curr_sess->task))
chunk_appendf(&trash, " run(nice=%d)", curr_sess->task->nice);
chunk_appendf(&trash, "\n");
if (bi_putchk(si->ib, &trash) == -1) {
/* let's try again later from this session. We add ourselves into
* this session's users so that it can remove us upon termination.
*/
LIST_ADDQ(&curr_sess->back_refs, &appctx->ctx.sess.bref.users);
return 0;
}
next_sess:
appctx->ctx.sess.bref.ref = curr_sess->list.n;
}
if (appctx->ctx.sess.target && appctx->ctx.sess.target != (void *)-1) {
/* specified session not found */
if (appctx->ctx.sess.section > 0)
chunk_appendf(&trash, " *** session terminated while we were watching it ***\n");
else
chunk_appendf(&trash, "Session not found.\n");
if (bi_putchk(si->ib, &trash) == -1)
return 0;
appctx->ctx.sess.target = NULL;
appctx->ctx.sess.uid = 0;
return 1;
}
appctx->st2 = STAT_ST_FIN;
/* fall through */
default:
appctx->st2 = STAT_ST_FIN;
return 1;
}
}
/* This is called when the stream interface is closed. For instance, upon an
* external abort, we won't call the i/o handler anymore so we may need to
* remove back references to the session currently being dumped.
*/
static void cli_release_handler(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
if (appctx->st0 == STAT_CLI_O_SESS && appctx->st2 == STAT_ST_LIST) {
if (!LIST_ISEMPTY(&appctx->ctx.sess.bref.users))
LIST_DEL(&appctx->ctx.sess.bref.users);
}
else if (appctx->st0 == STAT_CLI_PRINT_FREE) {
free(appctx->ctx.cli.err);
}
else if (appctx->st0 == STAT_CLI_O_MLOOK) {
free(appctx->ctx.map.chunk.str);
}
}
/* This function is used to either dump tables states (when action is set
* to STAT_CLI_O_TAB) or clear tables (when action is STAT_CLI_O_CLR).
* It returns 0 if the output buffer is full and it needs to be called
* again, otherwise non-zero.
*/
static int stats_table_request(struct stream_interface *si, int action)
{
struct appctx *appctx = __objt_appctx(si->end);
struct session *s = session_from_task(si->owner);
struct ebmb_node *eb;
int dt;
int skip_entry;
int show = action == STAT_CLI_O_TAB;
/*
* We have 3 possible states in appctx->st2 :
* - STAT_ST_INIT : the first call
* - STAT_ST_INFO : the proxy pointer points to the next table to
* dump, the entry pointer is NULL ;
* - STAT_ST_LIST : the proxy pointer points to the current table
* and the entry pointer points to the next entry to be dumped,
* and the refcount on the next entry is held ;
* - STAT_ST_END : nothing left to dump, the buffer may contain some
* data though.
*/
if (unlikely(si->ib->flags & (CF_WRITE_ERROR|CF_SHUTW))) {
/* in case of abort, remove any refcount we might have set on an entry */
if (appctx->st2 == STAT_ST_LIST) {
appctx->ctx.table.entry->ref_cnt--;
stksess_kill_if_expired(&appctx->ctx.table.proxy->table, appctx->ctx.table.entry);
}
return 1;
}
chunk_reset(&trash);
while (appctx->st2 != STAT_ST_FIN) {
switch (appctx->st2) {
case STAT_ST_INIT:
appctx->ctx.table.proxy = appctx->ctx.table.target;
if (!appctx->ctx.table.proxy)
appctx->ctx.table.proxy = proxy;
appctx->ctx.table.entry = NULL;
appctx->st2 = STAT_ST_INFO;
break;
case STAT_ST_INFO:
if (!appctx->ctx.table.proxy ||
(appctx->ctx.table.target &&
appctx->ctx.table.proxy != appctx->ctx.table.target)) {
appctx->st2 = STAT_ST_END;
break;
}
if (appctx->ctx.table.proxy->table.size) {
if (show && !stats_dump_table_head_to_buffer(&trash, si, appctx->ctx.table.proxy,
appctx->ctx.table.target))
return 0;
if (appctx->ctx.table.target &&
s->listener->bind_conf->level >= ACCESS_LVL_OPER) {
/* dump entries only if table explicitly requested */
eb = ebmb_first(&appctx->ctx.table.proxy->table.keys);
if (eb) {
appctx->ctx.table.entry = ebmb_entry(eb, struct stksess, key);
appctx->ctx.table.entry->ref_cnt++;
appctx->st2 = STAT_ST_LIST;
break;
}
}
}
appctx->ctx.table.proxy = appctx->ctx.table.proxy->next;
break;
case STAT_ST_LIST:
skip_entry = 0;
if (appctx->ctx.table.data_type >= 0) {
/* we're filtering on some data contents */
void *ptr;
long long data;
dt = appctx->ctx.table.data_type;
ptr = stktable_data_ptr(&appctx->ctx.table.proxy->table,
appctx->ctx.table.entry,
dt);
data = 0;
switch (stktable_data_types[dt].std_type) {
case STD_T_SINT:
data = stktable_data_cast(ptr, std_t_sint);
break;
case STD_T_UINT:
data = stktable_data_cast(ptr, std_t_uint);
break;
case STD_T_ULL:
data = stktable_data_cast(ptr, std_t_ull);
break;
case STD_T_FRQP:
data = read_freq_ctr_period(&stktable_data_cast(ptr, std_t_frqp),
appctx->ctx.table.proxy->table.data_arg[dt].u);
break;
}
/* skip the entry if the data does not match the test and the value */
if ((data < appctx->ctx.table.value &&
(appctx->ctx.table.data_op == STD_OP_EQ ||
appctx->ctx.table.data_op == STD_OP_GT ||
appctx->ctx.table.data_op == STD_OP_GE)) ||
(data == appctx->ctx.table.value &&
(appctx->ctx.table.data_op == STD_OP_NE ||
appctx->ctx.table.data_op == STD_OP_GT ||
appctx->ctx.table.data_op == STD_OP_LT)) ||
(data > appctx->ctx.table.value &&
(appctx->ctx.table.data_op == STD_OP_EQ ||
appctx->ctx.table.data_op == STD_OP_LT ||
appctx->ctx.table.data_op == STD_OP_LE)))
skip_entry = 1;
}
if (show && !skip_entry &&
!stats_dump_table_entry_to_buffer(&trash, si, appctx->ctx.table.proxy,
appctx->ctx.table.entry))
return 0;
appctx->ctx.table.entry->ref_cnt--;
eb = ebmb_next(&appctx->ctx.table.entry->key);
if (eb) {
struct stksess *old = appctx->ctx.table.entry;
appctx->ctx.table.entry = ebmb_entry(eb, struct stksess, key);
if (show)
stksess_kill_if_expired(&appctx->ctx.table.proxy->table, old);
else if (!skip_entry && !appctx->ctx.table.entry->ref_cnt)
stksess_kill(&appctx->ctx.table.proxy->table, old);
appctx->ctx.table.entry->ref_cnt++;
break;
}
if (show)
stksess_kill_if_expired(&appctx->ctx.table.proxy->table, appctx->ctx.table.entry);
else if (!skip_entry && !appctx->ctx.table.entry->ref_cnt)
stksess_kill(&appctx->ctx.table.proxy->table, appctx->ctx.table.entry);
appctx->ctx.table.proxy = appctx->ctx.table.proxy->next;
appctx->st2 = STAT_ST_INFO;
break;
case STAT_ST_END:
appctx->st2 = STAT_ST_FIN;
break;
}
}
return 1;
}
/* print a line of text buffer (limited to 70 bytes) to <out>. The format is :
* <2 spaces> <offset=5 digits> <space or plus> <space> <70 chars max> <\n>
* which is 60 chars per line. Non-printable chars \t, \n, \r and \e are
* encoded in C format. Other non-printable chars are encoded "\xHH". Original
* lines are respected within the limit of 70 output chars. Lines that are
* continuation of a previous truncated line begin with "+" instead of " "
* after the offset. The new pointer is returned.
*/
static int dump_text_line(struct chunk *out, const char *buf, int bsize, int len,
int *line, int ptr)
{
int end;
unsigned char c;
end = out->len + 80;
if (end > out->size)
return ptr;
chunk_appendf(out, " %05d%c ", ptr, (ptr == *line) ? ' ' : '+');
while (ptr < len && ptr < bsize) {
c = buf[ptr];
if (isprint(c) && isascii(c) && c != '\\') {
if (out->len > end - 2)
break;
out->str[out->len++] = c;
} else if (c == '\t' || c == '\n' || c == '\r' || c == '\e' || c == '\\') {
if (out->len > end - 3)
break;
out->str[out->len++] = '\\';
switch (c) {
case '\t': c = 't'; break;
case '\n': c = 'n'; break;
case '\r': c = 'r'; break;
case '\e': c = 'e'; break;
case '\\': c = '\\'; break;
}
out->str[out->len++] = c;
} else {
if (out->len > end - 5)
break;
out->str[out->len++] = '\\';
out->str[out->len++] = 'x';
out->str[out->len++] = hextab[(c >> 4) & 0xF];
out->str[out->len++] = hextab[c & 0xF];
}
if (buf[ptr++] == '\n') {
/* we had a line break, let's return now */
out->str[out->len++] = '\n';
*line = ptr;
return ptr;
}
}
/* we have an incomplete line, we return it as-is */
out->str[out->len++] = '\n';
return ptr;
}
/* This function dumps all captured errors onto the stream interface's
* read buffer. It returns 0 if the output buffer is full and it needs
* to be called again, otherwise non-zero.
*/
static int stats_dump_errors_to_buffer(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
extern const char *monthname[12];
if (unlikely(si->ib->flags & (CF_WRITE_ERROR|CF_SHUTW)))
return 1;
chunk_reset(&trash);
if (!appctx->ctx.errors.px) {
/* the function had not been called yet, let's prepare the
* buffer for a response.
*/
struct tm tm;
get_localtime(date.tv_sec, &tm);
chunk_appendf(&trash, "Total events captured on [%02d/%s/%04d:%02d:%02d:%02d.%03d] : %u\n",
tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900,
tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(date.tv_usec/1000),
error_snapshot_id);
if (bi_putchk(si->ib, &trash) == -1) {
/* Socket buffer full. Let's try again later from the same point */
return 0;
}
appctx->ctx.errors.px = proxy;
appctx->ctx.errors.buf = 0;
appctx->ctx.errors.bol = 0;
appctx->ctx.errors.ptr = -1;
}
/* we have two inner loops here, one for the proxy, the other one for
* the buffer.
*/
while (appctx->ctx.errors.px) {
struct error_snapshot *es;
if (appctx->ctx.errors.buf == 0)
es = &appctx->ctx.errors.px->invalid_req;
else
es = &appctx->ctx.errors.px->invalid_rep;
if (!es->when.tv_sec)
goto next;
if (appctx->ctx.errors.iid >= 0 &&
appctx->ctx.errors.px->uuid != appctx->ctx.errors.iid &&
es->oe->uuid != appctx->ctx.errors.iid)
goto next;
if (appctx->ctx.errors.ptr < 0) {
/* just print headers now */
char pn[INET6_ADDRSTRLEN];
struct tm tm;
int port;
get_localtime(es->when.tv_sec, &tm);
chunk_appendf(&trash, " \n[%02d/%s/%04d:%02d:%02d:%02d.%03d]",
tm.tm_mday, monthname[tm.tm_mon], tm.tm_year+1900,
tm.tm_hour, tm.tm_min, tm.tm_sec, (int)(es->when.tv_usec/1000));
switch (addr_to_str(&es->src, pn, sizeof(pn))) {
case AF_INET:
case AF_INET6:
port = get_host_port(&es->src);
break;
default:
port = 0;
}
switch (appctx->ctx.errors.buf) {
case 0:
chunk_appendf(&trash,
" frontend %s (#%d): invalid request\n"
" backend %s (#%d)",
appctx->ctx.errors.px->id, appctx->ctx.errors.px->uuid,
(es->oe->cap & PR_CAP_BE) ? es->oe->id : "<NONE>",
(es->oe->cap & PR_CAP_BE) ? es->oe->uuid : -1);
break;
case 1:
chunk_appendf(&trash,
" backend %s (#%d) : invalid response\n"
" frontend %s (#%d)",
appctx->ctx.errors.px->id, appctx->ctx.errors.px->uuid,
es->oe->id, es->oe->uuid);
break;
}
chunk_appendf(&trash,
", server %s (#%d), event #%u\n"
" src %s:%d, session #%d, session flags 0x%08x\n"
" HTTP msg state %d, msg flags 0x%08x, tx flags 0x%08x\n"
" HTTP chunk len %lld bytes, HTTP body len %lld bytes\n"
" buffer flags 0x%08x, out %d bytes, total %lld bytes\n"
" pending %d bytes, wrapping at %d, error at position %d:\n \n",
es->srv ? es->srv->id : "<NONE>", es->srv ? es->srv->puid : -1,
es->ev_id,
pn, port, es->sid, es->s_flags,
es->state, es->m_flags, es->t_flags,
es->m_clen, es->m_blen,
es->b_flags, es->b_out, es->b_tot,
es->len, es->b_wrap, es->pos);
if (bi_putchk(si->ib, &trash) == -1) {
/* Socket buffer full. Let's try again later from the same point */
return 0;
}
appctx->ctx.errors.ptr = 0;
appctx->ctx.errors.sid = es->sid;
}
if (appctx->ctx.errors.sid != es->sid) {
/* the snapshot changed while we were dumping it */
chunk_appendf(&trash,
" WARNING! update detected on this snapshot, dump interrupted. Please re-check!\n");
if (bi_putchk(si->ib, &trash) == -1)
return 0;
goto next;
}
/* OK, ptr >= 0, so we have to dump the current line */
while (appctx->ctx.errors.ptr < es->len && appctx->ctx.errors.ptr < sizeof(es->buf)) {
int newptr;
int newline;
newline = appctx->ctx.errors.bol;
newptr = dump_text_line(&trash, es->buf, sizeof(es->buf), es->len, &newline, appctx->ctx.errors.ptr);
if (newptr == appctx->ctx.errors.ptr)
return 0;
if (bi_putchk(si->ib, &trash) == -1) {
/* Socket buffer full. Let's try again later from the same point */
return 0;
}
appctx->ctx.errors.ptr = newptr;
appctx->ctx.errors.bol = newline;
};
next:
appctx->ctx.errors.bol = 0;
appctx->ctx.errors.ptr = -1;
appctx->ctx.errors.buf++;
if (appctx->ctx.errors.buf > 1) {
appctx->ctx.errors.buf = 0;
appctx->ctx.errors.px = appctx->ctx.errors.px->next;
}
}
/* dump complete */
return 1;
}
/* parse the "level" argument on the bind lines */
static int bind_parse_level(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
{
if (!*args[cur_arg + 1]) {
memprintf(err, "'%s' : missing level", args[cur_arg]);
return ERR_ALERT | ERR_FATAL;
}
if (!strcmp(args[cur_arg+1], "user"))
conf->level = ACCESS_LVL_USER;
else if (!strcmp(args[cur_arg+1], "operator"))
conf->level = ACCESS_LVL_OPER;
else if (!strcmp(args[cur_arg+1], "admin"))
conf->level = ACCESS_LVL_ADMIN;
else {
memprintf(err, "'%s' only supports 'user', 'operator', and 'admin' (got '%s')",
args[cur_arg], args[cur_arg+1]);
return ERR_ALERT | ERR_FATAL;
}
return 0;
}
struct si_applet http_stats_applet = {
.obj_type = OBJ_TYPE_APPLET,
.name = "<STATS>", /* used for logging */
.fct = http_stats_io_handler,
.release = NULL,
};
static struct si_applet cli_applet = {
.obj_type = OBJ_TYPE_APPLET,
.name = "<CLI>", /* used for logging */
.fct = cli_io_handler,
.release = cli_release_handler,
};
static struct cfg_kw_list cfg_kws = {ILH, {
{ CFG_GLOBAL, "stats", stats_parse_global },
{ 0, NULL, NULL },
}};
static struct bind_kw_list bind_kws = { "STAT", { }, {
{ "level", bind_parse_level, 1 }, /* set the unix socket admin level */
{ NULL, NULL, 0 },
}};
__attribute__((constructor))
static void __dumpstats_module_init(void)
{
cfg_register_keywords(&cfg_kws);
bind_register_keywords(&bind_kws);
}
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/