| /* |
| * Functions dedicated to statistics output |
| * |
| * Copyright 2000-2009 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 <types/global.h> |
| |
| #include <proto/backend.h> |
| #include <proto/buffers.h> |
| #include <proto/checks.h> |
| #include <proto/dumpstats.h> |
| #include <proto/fd.h> |
| #include <proto/freq_ctr.h> |
| #include <proto/pipe.h> |
| #include <proto/proto_uxst.h> |
| #include <proto/proxy.h> |
| #include <proto/session.h> |
| #include <proto/server.h> |
| #include <proto/stream_interface.h> |
| #include <proto/task.h> |
| |
| 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" |
| " help : this message\n" |
| " prompt : toggle interactive mode with prompt\n" |
| " quit : disconnect\n" |
| " show info : report information about the running process\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 : report the list of current sessions\n" |
| " get weight : report a server's current weight\n" |
| " set weight : change a server's weight\n" |
| ""; |
| |
| const char stats_permission_denied_msg[] = |
| "Permission denied\n" |
| ""; |
| |
| /* 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 may write an |
| * error message into ther <err> buffer, for at most <errlen> bytes, trailing |
| * zero included. 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, char *err, int errlen) |
| { |
| args++; |
| if (!strcmp(args[0], "socket")) { |
| struct sockaddr_un su; |
| int cur_arg; |
| |
| if (*args[1] == 0) { |
| snprintf(err, errlen, "'stats socket' in global section expects a path to a UNIX socket"); |
| return -1; |
| } |
| |
| if (global.stats_sock.state != LI_NEW) { |
| snprintf(err, errlen, "'stats socket' already specified in global section"); |
| return -1; |
| } |
| |
| su.sun_family = AF_UNIX; |
| strncpy(su.sun_path, args[1], sizeof(su.sun_path)); |
| su.sun_path[sizeof(su.sun_path) - 1] = 0; |
| memcpy(&global.stats_sock.addr, &su, sizeof(su)); // guaranteed to fit |
| |
| if (!global.stats_fe) { |
| if ((global.stats_fe = (struct proxy *)calloc(1, sizeof(struct proxy))) == NULL) { |
| snprintf(err, errlen, "out of memory"); |
| return -1; |
| } |
| |
| LIST_INIT(&global.stats_fe->pendconns); |
| LIST_INIT(&global.stats_fe->acl); |
| LIST_INIT(&global.stats_fe->block_cond); |
| LIST_INIT(&global.stats_fe->redirect_rules); |
| LIST_INIT(&global.stats_fe->mon_fail_cond); |
| LIST_INIT(&global.stats_fe->switching_rules); |
| LIST_INIT(&global.stats_fe->tcp_req.inspect_rules); |
| |
| /* Timeouts are defined as -1, so we cannot use the zeroed area |
| * as a default value. |
| */ |
| proxy_reset_timeouts(global.stats_fe); |
| |
| global.stats_fe->last_change = now.tv_sec; |
| global.stats_fe->id = strdup("GLOBAL"); |
| global.stats_fe->cap = PR_CAP_FE; |
| } |
| |
| global.stats_sock.state = LI_INIT; |
| global.stats_sock.options = LI_O_NONE; |
| global.stats_sock.accept = uxst_event_accept; |
| global.stats_sock.handler = process_session; |
| global.stats_sock.analysers = 0; |
| global.stats_sock.nice = -64; /* we want to boost priority for local stats */ |
| global.stats_sock.private = global.stats_fe; /* must point to the frontend */ |
| global.stats_sock.perm.ux.level = ACCESS_LVL_OPER; /* default access level */ |
| |
| global.stats_fe->timeout.client = MS_TO_TICKS(10000); /* default timeout of 10 seconds */ |
| global.stats_sock.timeout = &global.stats_fe->timeout.client; |
| |
| global.stats_sock.next = global.stats_fe->listen; |
| global.stats_fe->listen = &global.stats_sock; |
| |
| cur_arg = 2; |
| while (*args[cur_arg]) { |
| if (!strcmp(args[cur_arg], "uid")) { |
| global.stats_sock.perm.ux.uid = atol(args[cur_arg + 1]); |
| cur_arg += 2; |
| } |
| else if (!strcmp(args[cur_arg], "gid")) { |
| global.stats_sock.perm.ux.gid = atol(args[cur_arg + 1]); |
| cur_arg += 2; |
| } |
| else if (!strcmp(args[cur_arg], "mode")) { |
| global.stats_sock.perm.ux.mode = strtol(args[cur_arg + 1], NULL, 8); |
| cur_arg += 2; |
| } |
| else if (!strcmp(args[cur_arg], "user")) { |
| struct passwd *user; |
| user = getpwnam(args[cur_arg + 1]); |
| if (!user) { |
| snprintf(err, errlen, "unknown user '%s' in 'global' section ('stats user')", |
| args[cur_arg + 1]); |
| return -1; |
| } |
| global.stats_sock.perm.ux.uid = user->pw_uid; |
| cur_arg += 2; |
| } |
| else if (!strcmp(args[cur_arg], "group")) { |
| struct group *group; |
| group = getgrnam(args[cur_arg + 1]); |
| if (!group) { |
| snprintf(err, errlen, "unknown group '%s' in 'global' section ('stats group')", |
| args[cur_arg + 1]); |
| return -1; |
| } |
| global.stats_sock.perm.ux.gid = group->gr_gid; |
| cur_arg += 2; |
| } |
| else if (!strcmp(args[cur_arg], "level")) { |
| if (!strcmp(args[cur_arg+1], "user")) |
| global.stats_sock.perm.ux.level = ACCESS_LVL_USER; |
| else if (!strcmp(args[cur_arg+1], "operator")) |
| global.stats_sock.perm.ux.level = ACCESS_LVL_OPER; |
| else if (!strcmp(args[cur_arg+1], "admin")) |
| global.stats_sock.perm.ux.level = ACCESS_LVL_ADMIN; |
| else { |
| snprintf(err, errlen, "'stats socket level' only supports 'user', 'operator', and 'admin'"); |
| return -1; |
| } |
| cur_arg += 2; |
| } |
| else { |
| snprintf(err, errlen, "'stats socket' only supports 'user', 'uid', 'group', 'gid', 'level', and 'mode'"); |
| return -1; |
| } |
| } |
| |
| uxst_add_listener(&global.stats_sock); |
| global.maxsock++; |
| } |
| else if (!strcmp(args[0], "timeout")) { |
| unsigned timeout; |
| const char *res = parse_time_err(args[1], &timeout, TIME_UNIT_MS); |
| |
| if (res) { |
| snprintf(err, errlen, "unexpected character '%c' in 'stats timeout' in 'global' section", *res); |
| return -1; |
| } |
| |
| if (!timeout) { |
| snprintf(err, errlen, "a positive value is expected for 'stats timeout' in 'global section'"); |
| return -1; |
| } |
| global.stats_fe->timeout.client = MS_TO_TICKS(timeout); |
| } |
| else if (!strcmp(args[0], "maxconn")) { |
| int maxconn = atol(args[1]); |
| |
| if (maxconn <= 0) { |
| snprintf(err, errlen, "a positive value is expected for 'stats maxconn' in 'global section'"); |
| return -1; |
| } |
| global.maxsock -= global.stats_sock.maxconn; |
| global.stats_sock.maxconn = maxconn; |
| global.maxsock += global.stats_sock.maxconn; |
| } |
| else { |
| snprintf(err, errlen, "'stats' only supports 'socket', 'maxconn' and 'timeout' in 'global' section"); |
| return -1; |
| } |
| return 0; |
| } |
| |
| int print_csv_header(struct chunk *msg) |
| { |
| return chunk_printf(msg, |
| "# 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," |
| "\n"); |
| } |
| |
| /* 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 si->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. |
| */ |
| int stats_sock_parse_request(struct stream_interface *si, char *line) |
| { |
| struct session *s = si->private; |
| char *args[MAX_STATS_ARGS + 1]; |
| int arg; |
| |
| while (isspace((unsigned char)*line)) |
| line++; |
| |
| arg = 0; |
| args[arg] = line; |
| |
| while (*line && arg < MAX_STATS_ARGS) { |
| 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; |
| |
| s->data_ctx.stats.flags = 0; |
| if (strcmp(args[0], "show") == 0) { |
| if (strcmp(args[1], "stat") == 0) { |
| if (*args[2] && *args[3] && *args[4]) { |
| s->data_ctx.stats.flags |= STAT_BOUND; |
| s->data_ctx.stats.iid = atoi(args[2]); |
| s->data_ctx.stats.type = atoi(args[3]); |
| s->data_ctx.stats.sid = atoi(args[4]); |
| } |
| |
| s->data_ctx.stats.flags |= STAT_SHOW_STAT; |
| s->data_ctx.stats.flags |= STAT_FMT_CSV; |
| s->data_state = DATA_ST_INIT; |
| si->st0 = STAT_CLI_O_INFO; // stats_dump_raw_to_buffer |
| } |
| else if (strcmp(args[1], "info") == 0) { |
| s->data_ctx.stats.flags |= STAT_SHOW_INFO; |
| s->data_ctx.stats.flags |= STAT_FMT_CSV; |
| s->data_state = DATA_ST_INIT; |
| si->st0 = STAT_CLI_O_INFO; // stats_dump_raw_to_buffer |
| } |
| else if (strcmp(args[1], "sess") == 0) { |
| s->data_state = DATA_ST_INIT; |
| if (s->listener->perm.ux.level < ACCESS_LVL_OPER) { |
| s->data_ctx.cli.msg = stats_permission_denied_msg; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| si->st0 = STAT_CLI_O_SESS; // stats_dump_sess_to_buffer |
| } |
| else if (strcmp(args[1], "errors") == 0) { |
| if (s->listener->perm.ux.level < ACCESS_LVL_OPER) { |
| s->data_ctx.cli.msg = stats_permission_denied_msg; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| if (*args[2]) |
| s->data_ctx.errors.iid = atoi(args[2]); |
| else |
| s->data_ctx.errors.iid = -1; |
| s->data_ctx.errors.px = NULL; |
| s->data_state = DATA_ST_INIT; |
| si->st0 = STAT_CLI_O_ERR; // stats_dump_errors_to_buffer |
| } |
| else { /* neither "stat" nor "info" nor "sess" nor "errors"*/ |
| 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->perm.ux.level < ACCESS_LVL_OPER || |
| (clrall && s->listener->perm.ux.level < ACCESS_LVL_ADMIN)) { |
| s->data_ctx.cli.msg = stats_permission_denied_msg; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| |
| for (px = proxy; px; px = px->next) { |
| if (clrall) |
| memset(&px->counters, 0, sizeof(px->counters)); |
| else { |
| px->counters.feconn_max = 0; |
| px->counters.beconn_max = 0; |
| px->counters.fe_sps_max = 0; |
| px->counters.be_sps_max = 0; |
| px->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; |
| } |
| |
| for (li = px->listen; li; li = li->next) |
| if (li->counters) { |
| if (clrall) |
| memset(li->counters, 0, sizeof(*li->counters)); |
| else |
| li->counters->conn_max = 0; |
| } |
| } |
| |
| return 1; |
| } |
| else { |
| 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) { |
| s->data_ctx.cli.msg = "Require 'backend/server'.\n"; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| |
| if (!get_backend_server(args[2], line, &px, &sv)) { |
| s->data_ctx.cli.msg = px ? "No such server.\n" : "No such backend.\n"; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| |
| /* return server's effective weight at the moment */ |
| snprintf(trash, sizeof(trash), "%d (initial %d)\n", sv->uweight, sv->iweight); |
| buffer_feed(si->ib, trash); |
| return 1; |
| } |
| else { /* not "get weight" */ |
| return 0; |
| } |
| } |
| else if (strcmp(args[0], "set") == 0) { |
| if (strcmp(args[1], "weight") == 0) { |
| struct proxy *px; |
| struct server *sv; |
| int w; |
| |
| if (s->listener->perm.ux.level < ACCESS_LVL_ADMIN) { |
| s->data_ctx.cli.msg = stats_permission_denied_msg; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| |
| /* split "backend/server" and make <line> point to server */ |
| for (line = args[2]; *line; line++) |
| if (*line == '/') { |
| *line++ = '\0'; |
| break; |
| } |
| |
| if (!*line || !*args[3]) { |
| s->data_ctx.cli.msg = "Require 'backend/server' and 'weight' or 'weight%'.\n"; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| |
| if (!get_backend_server(args[2], line, &px, &sv)) { |
| s->data_ctx.cli.msg = px ? "No such server.\n" : "No such backend.\n"; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| |
| /* if the weight is terminated with '%', it is set relative to |
| * the initial weight, otherwise it is absolute. |
| */ |
| w = atoi(args[3]); |
| if (strchr(args[3], '%') != NULL) { |
| if (w < 0 || w > 100) { |
| s->data_ctx.cli.msg = "Relative weight can only be set between 0 and 100% inclusive.\n"; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| w = sv->iweight * w / 100; |
| } |
| else { |
| if (w < 0 || w > 256) { |
| s->data_ctx.cli.msg = "Absolute weight can only be between 0 and 256 inclusive.\n"; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| } |
| |
| if (w && w != sv->iweight && !(px->lbprm.algo & BE_LB_PROP_DYN)) { |
| s->data_ctx.cli.msg = "Backend is using a static LB algorithm and only accepts weights '0%' and '100%'.\n"; |
| si->st0 = STAT_CLI_PRINT; |
| return 1; |
| } |
| |
| sv->uweight = w; |
| |
| if (px->lbprm.algo & BE_LB_PROP_DYN) { |
| /* we must take care of not pushing the server to full throttle during slow starts */ |
| if ((sv->state & SRV_WARMINGUP) && (px->lbprm.algo & BE_LB_PROP_DYN)) |
| sv->eweight = (BE_WEIGHT_SCALE * (now.tv_sec - sv->last_change) + sv->slowstart - 1) / sv->slowstart; |
| else |
| sv->eweight = BE_WEIGHT_SCALE; |
| sv->eweight *= sv->uweight; |
| } else { |
| sv->eweight = sv->uweight; |
| } |
| |
| /* static LB algorithms are a bit harder to update */ |
| if (px->lbprm.update_server_eweight) |
| px->lbprm.update_server_eweight(sv); |
| else if (sv->eweight) |
| px->lbprm.set_server_status_up(sv); |
| else |
| px->lbprm.set_server_status_down(sv); |
| |
| return 1; |
| } |
| else { /* not "set weight" */ |
| return 0; |
| } |
| } |
| else { /* not "show" nor "clear" nor "get" nor "set" */ |
| 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 si->st0 and is one of the |
| * STAT_CLI_* constants. si->st1 is used to indicate whether prompt is enabled |
| * or not. |
| */ |
| void stats_io_handler(struct stream_interface *si) |
| { |
| struct session *s = si->private; |
| struct buffer *req = si->ob; |
| struct buffer *res = si->ib; |
| int reql; |
| int len; |
| |
| if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO)) |
| goto out; |
| |
| while (1) { |
| if (si->st0 == STAT_CLI_INIT) { |
| /* Stats output not initialized yet */ |
| memset(&s->data_ctx.stats, 0, sizeof(s->data_ctx.stats)); |
| s->data_source = DATA_SRC_STATS; |
| si->st0 = STAT_CLI_GETREQ; |
| } |
| else if (si->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 (si->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)) |
| break; |
| |
| reql = buffer_si_peekline(si->ob, trash, sizeof(trash)); |
| if (reql <= 0) { /* closed or EOL not found */ |
| if (reql == 0) |
| break; |
| si->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[len] == ';') { |
| trash[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[len] != '\n') { |
| si->st0 = STAT_CLI_END; |
| continue; |
| } |
| |
| if (len && trash[len-1] == '\r') |
| len--; |
| |
| trash[len] = '\0'; |
| |
| si->st0 = STAT_CLI_PROMPT; |
| if (len) { |
| if (strcmp(trash, "quit") == 0) { |
| si->st0 = STAT_CLI_END; |
| continue; |
| } |
| else if (strcmp(trash, "prompt") == 0) |
| si->st1 = !si->st1; |
| else if (strcmp(trash, "help") == 0 || |
| !stats_sock_parse_request(si, trash)) { |
| s->data_ctx.cli.msg = stats_sock_usage_msg; |
| si->st0 = STAT_CLI_PRINT; |
| } |
| /* NB: stats_sock_parse_request() may have put |
| * another STAT_CLI_O_* into si->st0. |
| */ |
| } |
| else if (!si->st1) { |
| /* if prompt is disabled, print help on empty lines, |
| * so that the user at least knows how to enable |
| * prompt and find help. |
| */ |
| s->data_ctx.cli.msg = stats_sock_usage_msg; |
| si->st0 = STAT_CLI_PRINT; |
| } |
| |
| /* re-adjust req buffer */ |
| buffer_skip(si->ob, reql); |
| req->flags |= BF_READ_DONTWAIT; /* we plan to read small requests */ |
| } |
| else { /* output functions: first check if the output buffer is closed then abort */ |
| if (res->flags & (BF_SHUTR_NOW|BF_SHUTR)) { |
| si->st0 = STAT_CLI_END; |
| continue; |
| } |
| |
| switch (si->st0) { |
| case STAT_CLI_PRINT: |
| if (buffer_feed(si->ib, s->data_ctx.cli.msg) < 0) |
| si->st0 = STAT_CLI_PROMPT; |
| break; |
| case STAT_CLI_O_INFO: |
| if (stats_dump_raw_to_buffer(s, res)) |
| si->st0 = STAT_CLI_PROMPT; |
| break; |
| case STAT_CLI_O_SESS: |
| if (stats_dump_sess_to_buffer(s, res)) |
| si->st0 = STAT_CLI_PROMPT; |
| break; |
| case STAT_CLI_O_ERR: /* errors dump */ |
| if (stats_dump_errors_to_buffer(s, res)) |
| si->st0 = STAT_CLI_PROMPT; |
| break; |
| default: /* abnormal state */ |
| si->st0 = STAT_CLI_PROMPT; |
| break; |
| } |
| |
| /* The post-command prompt is either LF alone or LF + '> ' in interactive mode */ |
| if (si->st0 == STAT_CLI_PROMPT) { |
| if (buffer_feed(si->ib, si->st1 ? "\n> " : "\n") < 0) |
| si->st0 = STAT_CLI_GETREQ; |
| } |
| |
| /* If the output functions are still there, it means they require more room. */ |
| if (si->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 & (BF_SHUTW|BF_SHUTW_NOW)) || (!si->st1 && !req->send_max)) { |
| si->st0 = STAT_CLI_END; |
| continue; |
| } |
| |
| /* switch state back to GETREQ to read next requests */ |
| si->st0 = STAT_CLI_GETREQ; |
| } |
| } |
| |
| if ((res->flags & BF_SHUTR) && (si->state == SI_ST_EST) && (si->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 size 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 & BF_SHUTW) && (si->state == SI_ST_EST) && (si->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 |= BF_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, rql=%d, rqs=%d, rl=%d, rs=%d\n", |
| __FUNCTION__, __LINE__, |
| si->state, req->flags, res->flags, req->l, req->send_max, res->l, res->send_max); |
| |
| 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 is called to send output to the response buffer. |
| * It dumps statistics onto the output buffer <rep> owned by session <s>. |
| * s->data_ctx must have been zeroed first, and the flags properly set. |
| * It returns 0 as long as it does not complete, non-zero upon completion. |
| * Some states are not used but it makes the code more similar to other |
| * functions which handle stats too. |
| */ |
| int stats_dump_raw_to_buffer(struct session *s, struct buffer *rep) |
| { |
| struct proxy *px; |
| struct chunk msg; |
| unsigned int up; |
| |
| chunk_init(&msg, trash, sizeof(trash)); |
| |
| switch (s->data_state) { |
| case DATA_ST_INIT: |
| /* the function had not been called yet */ |
| s->data_state = DATA_ST_HEAD; |
| /* fall through */ |
| |
| case DATA_ST_HEAD: |
| if (s->data_ctx.stats.flags & STAT_SHOW_STAT) { |
| print_csv_header(&msg); |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_state = DATA_ST_INFO; |
| /* fall through */ |
| |
| case DATA_ST_INFO: |
| up = (now.tv_sec - start_date.tv_sec); |
| if (s->data_ctx.stats.flags & STAT_SHOW_INFO) { |
| chunk_printf(&msg, |
| "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" |
| "Maxpipes: %d\n" |
| "CurrConns: %d\n" |
| "PipesUsed: %d\n" |
| "PipesFree: %d\n" |
| "Tasks: %d\n" |
| "Run_queue: %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.maxpipes, |
| actconn, pipes_used, pipes_free, |
| nb_tasks_cur, run_queue_cur, |
| global.node, global.desc?global.desc:"" |
| ); |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.px = proxy; |
| s->data_ctx.stats.px_st = DATA_ST_PX_INIT; |
| |
| s->data_ctx.stats.sv = NULL; |
| s->data_ctx.stats.sv_st = 0; |
| |
| s->data_state = DATA_ST_LIST; |
| /* fall through */ |
| |
| case DATA_ST_LIST: |
| /* dump proxies */ |
| if (s->data_ctx.stats.flags & STAT_SHOW_STAT) { |
| while (s->data_ctx.stats.px) { |
| px = s->data_ctx.stats.px; |
| /* skip the disabled proxies and non-networked ones */ |
| if (px->state != PR_STSTOPPED && |
| (px->cap & (PR_CAP_FE | PR_CAP_BE))) { |
| if (stats_dump_proxy(s, px, NULL) == 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.px = px->next; |
| s->data_ctx.stats.px_st = DATA_ST_PX_INIT; |
| } |
| /* here, we just have reached the last proxy */ |
| } |
| |
| s->data_state = DATA_ST_END; |
| /* fall through */ |
| |
| case DATA_ST_END: |
| s->data_state = DATA_ST_FIN; |
| /* fall through */ |
| |
| case DATA_ST_FIN: |
| return 1; |
| |
| default: |
| /* unknown state ! */ |
| s->data_state = DATA_ST_FIN; |
| 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. |
| * si->st0 becomes non-zero once the transfer is finished. The handler |
| * automatically unregisters itself once transfer is complete. |
| */ |
| void http_stats_io_handler(struct stream_interface *si) |
| { |
| struct session *s = si->private; |
| struct buffer *req = si->ob; |
| struct buffer *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 & (BF_SHUTW|BF_SHUTW_NOW)) |
| si->st0 = 1; |
| |
| if (!si->st0) { |
| if (stats_dump_http(s, res, s->be->uri_auth)) { |
| si->st0 = 1; |
| si->shutw(si); |
| } |
| } |
| |
| if ((res->flags & BF_SHUTR) && (si->state == SI_ST_EST)) |
| si->shutw(si); |
| |
| if ((req->flags & BF_SHUTW) && (si->state == SI_ST_EST) && si->st0) { |
| si->shutr(si); |
| res->flags |= BF_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: |
| 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); |
| } |
| } |
| |
| |
| /* |
| * Produces statistics data for the session <s>. Expects to be called with |
| * client socket shut down on input. It stops by itself by unsetting the |
| * BF_HIJACK flag from the buffer, which it uses to keep on being called |
| * when there is free space in the buffer, of simply by letting an empty buffer |
| * upon return.s->data_ctx must have been zeroed before the first call, and the |
| * flags set. 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. |
| */ |
| int stats_dump_http(struct session *s, struct buffer *rep, struct uri_auth *uri) |
| { |
| struct proxy *px; |
| struct chunk msg; |
| unsigned int up; |
| |
| chunk_init(&msg, trash, sizeof(trash)); |
| |
| switch (s->data_state) { |
| case DATA_ST_INIT: |
| chunk_printf(&msg, |
| "HTTP/1.0 200 OK\r\n" |
| "Cache-Control: no-cache\r\n" |
| "Connection: close\r\n" |
| "Content-Type: %s\r\n", |
| (s->data_ctx.stats.flags & STAT_FMT_CSV) ? "text/plain" : "text/html"); |
| |
| if (uri->refresh > 0 && !(s->data_ctx.stats.flags & STAT_NO_REFRESH)) |
| chunk_printf(&msg, "Refresh: %d\r\n", |
| uri->refresh); |
| |
| chunk_printf(&msg, "\r\n"); |
| |
| s->txn.status = 200; |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| |
| if (!(s->flags & SN_ERR_MASK)) // this is not really an error but it is |
| s->flags |= SN_ERR_PRXCOND; // to mark that it comes from the proxy |
| if (!(s->flags & SN_FINST_MASK)) |
| s->flags |= SN_FINST_R; |
| |
| if (s->txn.meth == HTTP_METH_HEAD) { |
| /* that's all we return in case of HEAD request */ |
| s->data_state = DATA_ST_FIN; |
| return 1; |
| } |
| |
| s->data_state = DATA_ST_HEAD; /* let's start producing data */ |
| /* fall through */ |
| |
| case DATA_ST_HEAD: |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| /* WARNING! This must fit in the first buffer !!! */ |
| chunk_printf(&msg, |
| "<!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: #ffd020;}\n" |
| ".active2 {background: #ffffa0;}\n" |
| ".active3 {background: #c0ffc0;}\n" |
| ".active4 {background: #ffffa0;}\n" /* NOLB state shows same as going down */ |
| ".active5 {background: #a0e0a0;}\n" /* NOLB state shows darker than up */ |
| ".active6 {background: #e0e0e0;}\n" |
| ".backup0 {background: #ff9090;}\n" |
| ".backup1 {background: #ff80ff;}\n" |
| ".backup2 {background: #c060ff;}\n" |
| ".backup3 {background: #b0d0ff;}\n" |
| ".backup4 {background: #c060ff;}\n" /* NOLB state shows same as going down */ |
| ".backup5 {background: #90b0e0;}\n" /* NOLB state shows same as going down */ |
| ".backup6 {background: #e0e0e0;}\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" |
| "-->\n" |
| "</style></head>\n", |
| (uri->flags&ST_SHNODE) ? " on " : "", |
| (uri->flags&ST_SHNODE) ? (uri->node ? uri->node : global.node) : "" |
| ); |
| } else { |
| print_csv_header(&msg); |
| } |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| |
| s->data_state = DATA_ST_INFO; |
| /* fall through */ |
| |
| case DATA_ST_INFO: |
| up = (now.tv_sec - start_date.tv_sec); |
| |
| /* 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 ! |
| */ |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| chunk_printf(&msg, |
| "<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>> 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<br>\n" |
| "Running tasks: %d/%d<br>\n" |
| "</td><td align=\"center\" nowrap>\n" |
| "<table class=\"lgd\"><tr>\n" |
| "<td class=\"active3\"> </td><td class=\"noborder\">active UP </td>" |
| "<td class=\"backup3\"> </td><td class=\"noborder\">backup UP </td>" |
| "</tr><tr>\n" |
| "<td class=\"active2\"></td><td class=\"noborder\">active UP, going down </td>" |
| "<td class=\"backup2\"></td><td class=\"noborder\">backup UP, going down </td>" |
| "</tr><tr>\n" |
| "<td class=\"active1\"></td><td class=\"noborder\">active DOWN, going up </td>" |
| "<td class=\"backup1\"></td><td class=\"noborder\">backup DOWN, going up </td>" |
| "</tr><tr>\n" |
| "<td class=\"active0\"></td><td class=\"noborder\">active or backup DOWN </td>" |
| "<td class=\"active6\"></td><td class=\"noborder\">not checked </td>" |
| "</tr></table>\n" |
| "Note: UP with load-balancing disabled is reported as \"NOLB\"." |
| "</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, |
| run_queue_cur, nb_tasks_cur |
| ); |
| |
| if (s->data_ctx.stats.flags & STAT_HIDE_DOWN) |
| chunk_printf(&msg, |
| "<li><a href=\"%s%s%s\">Show all servers</a><br>\n", |
| uri->uri_prefix, |
| "", |
| (s->data_ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : ""); |
| else |
| chunk_printf(&msg, |
| "<li><a href=\"%s%s%s\">Hide 'DOWN' servers</a><br>\n", |
| uri->uri_prefix, |
| ";up", |
| (s->data_ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : ""); |
| |
| if (uri->refresh > 0) { |
| if (s->data_ctx.stats.flags & STAT_NO_REFRESH) |
| chunk_printf(&msg, |
| "<li><a href=\"%s%s%s\">Enable refresh</a><br>\n", |
| uri->uri_prefix, |
| (s->data_ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "", |
| ""); |
| else |
| chunk_printf(&msg, |
| "<li><a href=\"%s%s%s\">Disable refresh</a><br>\n", |
| uri->uri_prefix, |
| (s->data_ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "", |
| ";norefresh"); |
| } |
| |
| chunk_printf(&msg, |
| "<li><a href=\"%s%s%s\">Refresh now</a><br>\n", |
| uri->uri_prefix, |
| (s->data_ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "", |
| (s->data_ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : ""); |
| |
| chunk_printf(&msg, |
| "<li><a href=\"%s;csv%s\">CSV export</a><br>\n", |
| uri->uri_prefix, |
| (uri->refresh > 0) ? ";norefresh" : ""); |
| |
| chunk_printf(&msg, |
| "</ul></td>" |
| "<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">" |
| "<b>External ressources:</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 (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.px = proxy; |
| s->data_ctx.stats.px_st = DATA_ST_PX_INIT; |
| s->data_state = DATA_ST_LIST; |
| /* fall through */ |
| |
| case DATA_ST_LIST: |
| /* dump proxies */ |
| while (s->data_ctx.stats.px) { |
| if (buffer_almost_full(rep)) |
| return 0; |
| px = s->data_ctx.stats.px; |
| /* skip the disabled proxies and non-networked ones */ |
| if (px->state != PR_STSTOPPED && (px->cap & (PR_CAP_FE | PR_CAP_BE))) |
| if (stats_dump_proxy(s, px, uri) == 0) |
| return 0; |
| |
| s->data_ctx.stats.px = px->next; |
| s->data_ctx.stats.px_st = DATA_ST_PX_INIT; |
| } |
| /* here, we just have reached the last proxy */ |
| |
| s->data_state = DATA_ST_END; |
| /* fall through */ |
| |
| case DATA_ST_END: |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| chunk_printf(&msg, "</body></html>\n"); |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_state = DATA_ST_FIN; |
| /* fall through */ |
| |
| case DATA_ST_FIN: |
| return 1; |
| |
| default: |
| /* unknown state ! */ |
| s->data_state = DATA_ST_FIN; |
| return -1; |
| } |
| } |
| |
| |
| /* |
| * Dumps statistics for a proxy. |
| * Returns 0 if it had to stop dumping data because of lack of buffer space, |
| * ot non-zero if everything completed. |
| */ |
| int stats_dump_proxy(struct session *s, struct proxy *px, struct uri_auth *uri) |
| { |
| struct buffer *rep = s->rep; |
| struct server *sv, *svs; /* server and server-state, server-state=server or server->tracked */ |
| struct listener *l; |
| struct chunk msg; |
| |
| chunk_init(&msg, trash, sizeof(trash)); |
| |
| switch (s->data_ctx.stats.px_st) { |
| case DATA_ST_PX_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 ((s->data_ctx.stats.flags & STAT_BOUND) && (s->data_ctx.stats.iid != -1) && |
| (px->uuid != s->data_ctx.stats.iid)) |
| return 1; |
| |
| s->data_ctx.stats.px_st = DATA_ST_PX_TH; |
| /* fall through */ |
| |
| case DATA_ST_PX_TH: |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| /* print a new table */ |
| chunk_printf(&msg, |
| "<table class=\"tbl\" width=\"100%%\">\n" |
| "<tr class=\"titre\">" |
| "<th class=\"pxname\" width=\"10%%\">" |
| "<a name=\"%s\"></a>" |
| "<a class=px href=\"#%s\">%s</a></th>" |
| "<th class=\"%s\" width=\"90%%\">%s</th>" |
| "</tr>\n" |
| "</table>\n" |
| "<table class=\"tbl\" width=\"100%%\">\n" |
| "<tr class=\"titre\">" |
| "<th rowspan=2></th>" |
| "<th colspan=3>Queue</th>" |
| "<th colspan=3>Session rate</th><th colspan=5>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>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>", |
| px->id, px->id, px->id, |
| px->desc ? "desc" : "empty", px->desc ? px->desc : ""); |
| |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.px_st = DATA_ST_PX_FE; |
| /* fall through */ |
| |
| case DATA_ST_PX_FE: |
| /* print the frontend */ |
| if ((px->cap & PR_CAP_FE) && |
| (!(s->data_ctx.stats.flags & STAT_BOUND) || (s->data_ctx.stats.type & (1 << STATS_TYPE_FE)))) { |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| chunk_printf(&msg, |
| /* name, queue */ |
| "<tr class=\"frontend\"><td class=ac>" |
| "<a name=\"%s/Frontend\"></a>" |
| "<a class=lfsb href=\"#%s/Frontend\">Frontend</a></td><td colspan=3></td>" |
| /* sessions rate : current, max, limit */ |
| "<td>%s</td><td>%s</td><td>%s</td>" |
| /* sessions: current, max, limit */ |
| "<td>%s</td><td>%s</td><td>%s</td>" |
| "<td" |
| "", |
| px->id, px->id, |
| U2H0(read_freq_ctr(&px->fe_sess_per_sec)), |
| U2H1(px->counters.fe_sps_max), LIM2A2(px->fe_sps_lim, "-"), |
| U2H3(px->feconn), U2H4(px->counters.feconn_max), U2H5(px->maxconn)); |
| |
| /* http response (via td title): 1xx, 2xx, 3xx, 4xx, 5xx, other */ |
| if (px->mode == PR_MODE_HTTP) { |
| int i; |
| |
| chunk_printf(&msg, " title=\"rsp codes:"); |
| |
| for (i = 1; i < 6; i++) |
| chunk_printf(&msg, " %dxx=%lld,", i, px->counters.p.http.rsp[i]); |
| |
| chunk_printf(&msg, " other=%lld\"", px->counters.p.http.rsp[0]); |
| } |
| |
| chunk_printf(&msg, |
| /* sessions: total, lbtot */ |
| ">%s</td><td></td>" |
| /* bytes : in, out */ |
| "<td>%s</td><td>%s</td>" |
| "", |
| U2H6(px->counters.cum_feconn), U2H7(px->counters.bytes_in), U2H8(px->counters.bytes_out)); |
| |
| chunk_printf(&msg, |
| /* 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>" |
| "", |
| U2H0(px->counters.denied_req), U2H1(px->counters.denied_resp), |
| U2H2(px->counters.failed_req), |
| px->state == PR_STRUN ? "OPEN" : |
| px->state == PR_STIDLE ? "FULL" : "STOP"); |
| } else { |
| chunk_printf(&msg, |
| /* 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->counters.feconn_max, px->maxconn, px->counters.cum_feconn, |
| px->counters.bytes_in, px->counters.bytes_out, |
| px->counters.denied_req, px->counters.denied_resp, |
| px->counters.failed_req, |
| px->state == PR_STRUN ? "OPEN" : |
| px->state == PR_STIDLE ? "FULL" : "STOP", |
| relative_pid, px->uuid, STATS_TYPE_FE, |
| read_freq_ctr(&px->fe_sess_per_sec), |
| px->fe_sps_lim, px->counters.fe_sps_max); |
| |
| /* http response: 1xx, 2xx, 3xx, 4xx, 5xx, other */ |
| if (px->mode == PR_MODE_HTTP) { |
| int i; |
| |
| for (i=1; i<6; i++) |
| chunk_printf(&msg, "%lld,", px->counters.p.http.rsp[i]); |
| |
| chunk_printf(&msg, "%lld,", px->counters.p.http.rsp[0]); |
| } else { |
| chunk_printf(&msg, ",,,,,,"); |
| } |
| |
| /* failed health analyses */ |
| chunk_printf(&msg, ","); |
| |
| /* finish with EOL */ |
| chunk_printf(&msg, "\n"); |
| } |
| |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.l = px->listen; /* may be NULL */ |
| s->data_ctx.stats.px_st = DATA_ST_PX_LI; |
| /* fall through */ |
| |
| case DATA_ST_PX_LI: |
| /* stats.l has been initialized above */ |
| for (; s->data_ctx.stats.l != NULL; s->data_ctx.stats.l = l->next) { |
| if (buffer_almost_full(rep)) |
| return 0; |
| |
| l = s->data_ctx.stats.l; |
| if (!l->counters) |
| continue; |
| |
| if (s->data_ctx.stats.flags & STAT_BOUND) { |
| if (!(s->data_ctx.stats.type & (1 << STATS_TYPE_SO))) |
| break; |
| |
| if (s->data_ctx.stats.sid != -1 && l->luid != s->data_ctx.stats.sid) |
| continue; |
| } |
| |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| chunk_printf(&msg, |
| /* name, queue */ |
| "<tr class=socket><td class=ac>%s</td><td colspan=3></td>" |
| /* sessions rate: current, max, limit */ |
| "<td colspan=3> </td>" |
| /* sessions: current, max, limit, total, lbtot */ |
| "<td>%s</td><td>%s</td><td>%s</td>" |
| "<td>%s</td><td> </td>" |
| /* bytes: in, out */ |
| "<td>%s</td><td>%s</td>" |
| "", |
| l->name, |
| U2H3(l->nbconn), U2H4(l->counters->conn_max), U2H5(l->maxconn), |
| U2H6(l->counters->cum_conn), U2H7(l->counters->bytes_in), U2H8(l->counters->bytes_out)); |
| |
| chunk_printf(&msg, |
| /* 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>" |
| "", |
| U2H0(l->counters->denied_req), U2H1(l->counters->denied_resp), |
| U2H2(l->counters->failed_req), |
| (l->nbconn < l->maxconn) ? "OPEN" : "FULL"); |
| } else { |
| chunk_printf(&msg, |
| /* 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 */ |
| "," |
| "\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); |
| } |
| |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.sv = px->srv; /* may be NULL */ |
| s->data_ctx.stats.px_st = DATA_ST_PX_SV; |
| /* fall through */ |
| |
| case DATA_ST_PX_SV: |
| /* stats.sv has been initialized above */ |
| for (; s->data_ctx.stats.sv != NULL; s->data_ctx.stats.sv = sv->next) { |
| int sv_state; /* 0=DOWN, 1=going up, 2=going down, 3=UP, 4,5=NOLB, 6=unchecked */ |
| |
| if (buffer_almost_full(rep)) |
| return 0; |
| |
| sv = s->data_ctx.stats.sv; |
| |
| if (s->data_ctx.stats.flags & STAT_BOUND) { |
| if (!(s->data_ctx.stats.type & (1 << STATS_TYPE_SV))) |
| break; |
| |
| if (s->data_ctx.stats.sid != -1 && sv->puid != s->data_ctx.stats.sid) |
| continue; |
| } |
| |
| if (sv->tracked) |
| svs = sv->tracked; |
| else |
| svs = sv; |
| |
| /* FIXME: produce some small strings for "UP/DOWN x/y &#xxxx;" */ |
| if (!(svs->state & SRV_CHECKED)) |
| sv_state = 6; |
| else if (svs->state & SRV_RUNNING) { |
| if (svs->health == svs->rise + svs->fall - 1) |
| sv_state = 3; /* UP */ |
| else |
| sv_state = 2; /* going down */ |
| |
| if (svs->state & SRV_GOINGDOWN) |
| sv_state += 2; |
| } |
| else |
| if (svs->health) |
| sv_state = 1; /* going up */ |
| else |
| sv_state = 0; /* DOWN */ |
| |
| if ((sv_state == 0) && (s->data_ctx.stats.flags & STAT_HIDE_DOWN)) { |
| /* do not report servers which are DOWN */ |
| s->data_ctx.stats.sv = sv->next; |
| continue; |
| } |
| |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| static char *srv_hlt_st[7] = { "DOWN", "DN %d/%d ↑", |
| "UP %d/%d ↓", "UP", |
| "NOLB %d/%d ↓", "NOLB", |
| "<i>no check</i>" }; |
| chunk_printf(&msg, |
| /* name */ |
| "<tr class=\"%s%d\"><td class=ac>" |
| "<a name=\"%s/%s\"></a>" |
| "<a class=lfsb href=\"#%s/%s\">%s</a></td>" |
| /* queue : current, max, limit */ |
| "<td>%s</td><td>%s</td><td>%s</td>" |
| /* sessions rate : current, max, limit */ |
| "<td>%s</td><td>%s</td><td></td>" |
| /* sessions: current, max, limit */ |
| "<td>%s</td><td>%s</td><td>%s</td>" |
| "<td" |
| "", |
| (sv->state & SRV_BACKUP) ? "backup" : "active", |
| sv_state, px->id, sv->id, px->id, sv->id, sv->id, |
| U2H0(sv->nbpend), U2H1(sv->counters.nbpend_max), LIM2A2(sv->maxqueue, "-"), |
| U2H3(read_freq_ctr(&sv->sess_per_sec)), U2H4(sv->counters.sps_max), |
| U2H5(sv->cur_sess), U2H6(sv->counters.cur_sess_max), LIM2A7(sv->maxconn, "-")); |
| |
| /* http response (via td title): 1xx, 2xx, 3xx, 4xx, 5xx, other */ |
| if (px->mode == PR_MODE_HTTP) { |
| int i; |
| |
| chunk_printf(&msg, " title=\"rsp codes:"); |
| |
| for (i = 1; i < 6; i++) |
| chunk_printf(&msg, " %dxx=%lld,", i, sv->counters.p.http.rsp[i]); |
| |
| chunk_printf(&msg, " other=%lld\"", sv->counters.p.http.rsp[0]); |
| } |
| |
| chunk_printf(&msg, |
| /* sessions: total, lbtot */ |
| ">%s</td><td>%s</td>", |
| U2H0(sv->counters.cum_sess), U2H1(sv->counters.cum_lbconn)); |
| |
| chunk_printf(&msg, |
| /* bytes : in, out */ |
| "<td>%s</td><td>%s</td>" |
| /* denied: req, resp */ |
| "<td></td><td>%s</td>" |
| /* errors : request, connect, response */ |
| "<td></td><td>%s</td><td>%s</td>\n" |
| /* warnings: retries, redispatches */ |
| "<td>%lld</td><td>%lld</td>" |
| "", |
| U2H0(sv->counters.bytes_in), U2H1(sv->counters.bytes_out), |
| U2H2(sv->counters.failed_secu), |
| U2H3(sv->counters.failed_conns), U2H4(sv->counters.failed_resp), |
| sv->counters.retries, sv->counters.redispatches); |
| |
| /* status, lest check */ |
| chunk_printf(&msg, "<td class=ac>"); |
| |
| if (sv->state & SRV_CHECKED) { |
| chunk_printf(&msg, "%s ", |
| human_time(now.tv_sec - sv->last_change, 1)); |
| |
| chunk_printf(&msg, |
| srv_hlt_st[sv_state], |
| (svs->state & SRV_RUNNING) ? (svs->health - svs->rise + 1) : (svs->health), |
| (svs->state & SRV_RUNNING) ? (svs->fall) : (svs->rise)); |
| |
| chunk_printf(&msg, "</td><td class=ac title=\"%s", |
| get_check_status_description(sv->check_status)); |
| |
| if (*sv->check_desc) { |
| struct chunk src; |
| |
| chunk_printf(&msg, ": "); |
| |
| chunk_initlen(&src, sv->check_desc, 0, strlen(sv->check_desc)); |
| chunk_htmlencode(&msg, &src); |
| } |
| |
| chunk_printf(&msg, "\"> %s%s", |
| tv_iszero(&sv->check_start)?"":"* ", |
| get_check_status_info(sv->check_status)); |
| |
| if (sv->check_status >= HCHK_STATUS_L57DATA) |
| chunk_printf(&msg, "/%d", sv->check_code); |
| |
| if (sv->check_status >= HCHK_STATUS_CHECKED && sv->check_duration >= 0) |
| chunk_printf(&msg, " in %lums", sv->check_duration); |
| } else { |
| chunk_printf(&msg, "</td><td>"); |
| } |
| |
| chunk_printf(&msg, |
| /* 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->state & SRV_BACKUP) ? "-" : "Y", |
| (sv->state & SRV_BACKUP) ? "Y" : "-"); |
| |
| /* check failures: unique, fatal, down time */ |
| if (sv->state & SRV_CHECKED) |
| chunk_printf(&msg, |
| "<td title=\"Failed Health Checks/Health Analyses\">%lld/%lld</td>" |
| "<td>%lld</td><td>%s</td>" |
| "", |
| svs->counters.failed_checks, svs->counters.failed_hana, |
| svs->counters.down_trans, human_time(srv_downtime(sv), 1)); |
| else if (sv != svs) |
| chunk_printf(&msg, |
| "<td class=ac colspan=3>via %s/%s</td>", svs->proxy->id, svs->id); |
| else |
| chunk_printf(&msg, |
| "<td colspan=3></td>"); |
| |
| /* throttle */ |
| if ((sv->state & SRV_WARMINGUP) && |
| now.tv_sec < sv->last_change + sv->slowstart && |
| now.tv_sec >= sv->last_change) { |
| unsigned int ratio; |
| ratio = MAX(1, 100 * (now.tv_sec - sv->last_change) / sv->slowstart); |
| chunk_printf(&msg, |
| "<td class=ac>%d %%</td></tr>\n", ratio); |
| } else { |
| chunk_printf(&msg, |
| "<td class=ac>-</td></tr>\n"); |
| } |
| } else { |
| static char *srv_hlt_st[7] = { "DOWN,", "DOWN %d/%d,", |
| "UP %d/%d,", "UP,", |
| "NOLB %d/%d,", "NOLB,", |
| "no check," }; |
| chunk_printf(&msg, |
| /* 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, LIM2A0(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 */ |
| chunk_printf(&msg, |
| srv_hlt_st[sv_state], |
| (sv->state & SRV_RUNNING) ? (sv->health - sv->rise + 1) : (sv->health), |
| (sv->state & SRV_RUNNING) ? (sv->fall) : (sv->rise)); |
| |
| chunk_printf(&msg, |
| /* weight, active, backup */ |
| "%d,%d,%d," |
| "", |
| (sv->eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv, |
| (sv->state & SRV_BACKUP) ? 0 : 1, |
| (sv->state & SRV_BACKUP) ? 1 : 0); |
| |
| /* check failures: unique, fatal; last change, total downtime */ |
| if (sv->state & SRV_CHECKED) |
| chunk_printf(&msg, |
| "%lld,%lld,%d,%d,", |
| sv->counters.failed_checks, sv->counters.down_trans, |
| (int)(now.tv_sec - sv->last_change), srv_downtime(sv)); |
| else |
| chunk_printf(&msg, |
| ",,,,"); |
| |
| /* queue limit, pid, iid, sid, */ |
| chunk_printf(&msg, |
| "%s," |
| "%d,%d,%d,", |
| LIM2A0(sv->maxqueue, ""), |
| relative_pid, px->uuid, sv->puid); |
| |
| /* throttle */ |
| if ((sv->state & SRV_WARMINGUP) && |
| now.tv_sec < sv->last_change + sv->slowstart && |
| now.tv_sec >= sv->last_change) { |
| unsigned int ratio; |
| ratio = MAX(1, 100 * (now.tv_sec - sv->last_change) / sv->slowstart); |
| chunk_printf(&msg, "%d", ratio); |
| } |
| |
| /* sessions: lbtot */ |
| chunk_printf(&msg, ",%lld,", sv->counters.cum_lbconn); |
| |
| /* tracked */ |
| if (sv->tracked) |
| chunk_printf(&msg, "%s/%s,", |
| sv->tracked->proxy->id, sv->tracked->id); |
| else |
| chunk_printf(&msg, ","); |
| |
| /* type */ |
| chunk_printf(&msg, "%d,", STATS_TYPE_SV); |
| |
| /* rate */ |
| chunk_printf(&msg, "%u,,%u,", |
| read_freq_ctr(&sv->sess_per_sec), |
| sv->counters.sps_max); |
| |
| if (sv->state & SRV_CHECKED) { |
| /* check_status */ |
| chunk_printf(&msg, "%s,", get_check_status_info(sv->check_status)); |
| |
| /* check_code */ |
| if (sv->check_status >= HCHK_STATUS_L57DATA) |
| chunk_printf(&msg, "%u,", sv->check_code); |
| else |
| chunk_printf(&msg, ","); |
| |
| /* check_duration */ |
| if (sv->check_status >= HCHK_STATUS_CHECKED) |
| chunk_printf(&msg, "%lu,", sv->check_duration); |
| else |
| chunk_printf(&msg, ","); |
| |
| } else { |
| chunk_printf(&msg, ",,,"); |
| } |
| |
| /* http response: 1xx, 2xx, 3xx, 4xx, 5xx, other */ |
| if (px->mode == PR_MODE_HTTP) { |
| int i; |
| |
| for (i=1; i<6; i++) |
| chunk_printf(&msg, "%lld,", sv->counters.p.http.rsp[i]); |
| |
| chunk_printf(&msg, "%lld,", sv->counters.p.http.rsp[0]); |
| } else { |
| chunk_printf(&msg, ",,,,,,"); |
| } |
| |
| /* failed health analyses */ |
| chunk_printf(&msg, "%lld,", sv->counters.failed_hana); |
| |
| /* finish with EOL */ |
| chunk_printf(&msg, "\n"); |
| } |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } /* for sv */ |
| |
| s->data_ctx.stats.px_st = DATA_ST_PX_BE; |
| /* fall through */ |
| |
| case DATA_ST_PX_BE: |
| /* print the backend */ |
| if ((px->cap & PR_CAP_BE) && |
| (!(s->data_ctx.stats.flags & STAT_BOUND) || (s->data_ctx.stats.type & (1 << STATS_TYPE_BE)))) { |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| chunk_printf(&msg, |
| /* name */ |
| "<tr class=\"backend\"><td class=ac>" |
| "<a name=\"%s/Backend\"></a>" |
| "<a class=lfsb href=\"#%s/Backend\">Backend</a></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>" |
| "", |
| px->id, px->id, |
| U2H0(px->nbpend) /* or px->totpend ? */, U2H1(px->counters.nbpend_max), |
| U2H2(read_freq_ctr(&px->be_sess_per_sec)), U2H3(px->counters.be_sps_max)); |
| |
| chunk_printf(&msg, |
| /* sessions: current, max, limit */ |
| "<td>%s</td><td>%s</td><td>%s</td>" |
| "<td" |
| "", |
| U2H2(px->beconn), U2H3(px->counters.beconn_max), U2H4(px->fullconn)); |
| |
| /* http response (via td title): 1xx, 2xx, 3xx, 4xx, 5xx, other */ |
| if (px->mode == PR_MODE_HTTP) { |
| int i; |
| |
| chunk_printf(&msg, " title=\"rsp codes:"); |
| |
| for (i = 1; i < 6; i++) |
| chunk_printf(&msg, " %dxx=%lld", i, px->counters.p.http.rsp[i]); |
| |
| chunk_printf(&msg, " other=%lld\"", px->counters.p.http.rsp[0]); |
| } |
| |
| chunk_printf(&msg, |
| /* sessions: total, lbtot */ |
| ">%s</td><td>%s</td>" |
| /* bytes: in, out */ |
| "<td>%s</td><td>%s</td>" |
| "", |
| U2H6(px->counters.cum_beconn), U2H7(px->counters.cum_lbconn), |
| U2H8(px->counters.bytes_in), U2H9(px->counters.bytes_out)); |
| |
| chunk_printf(&msg, |
| /* denied: req, resp */ |
| "<td>%s</td><td>%s</td>" |
| /* errors : request, connect, response */ |
| "<td></td><td>%s</td><td>%s</td>\n" |
| /* 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> </td><td class=ac>%d</td>" |
| "<td class=ac>%d</td><td class=ac>%d</td>" |
| "", |
| U2H0(px->counters.denied_req), U2H1(px->counters.denied_resp), |
| U2H2(px->counters.failed_conns), U2H3(px->counters.failed_resp), |
| px->counters.retries, px->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_printf(&msg, |
| /* rest of backend: nothing, down transitions, total downtime, throttle */ |
| "<td class=ac> </td><td>%d</td>" |
| "<td>%s</td>" |
| "<td></td>" |
| "</tr>", |
| px->down_trans, |
| px->srv?human_time(be_downtime(px), 1):" "); |
| } else { |
| chunk_printf(&msg, |
| /* 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->counters.nbpend_max, |
| px->beconn, px->counters.beconn_max, px->fullconn, px->counters.cum_beconn, |
| px->counters.bytes_in, px->counters.bytes_out, |
| px->counters.denied_req, px->counters.denied_resp, |
| px->counters.failed_conns, px->counters.failed_resp, |
| px->counters.retries, px->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->counters.cum_lbconn, STATS_TYPE_BE, |
| read_freq_ctr(&px->be_sess_per_sec), |
| px->counters.be_sps_max); |
| |
| /* http response: 1xx, 2xx, 3xx, 4xx, 5xx, other */ |
| if (px->mode == PR_MODE_HTTP) { |
| int i; |
| |
| for (i=1; i<6; i++) |
| chunk_printf(&msg, "%lld,", px->counters.p.http.rsp[i]); |
| |
| chunk_printf(&msg, "%lld,", px->counters.p.http.rsp[0]); |
| } else { |
| chunk_printf(&msg, ",,,,,,"); |
| } |
| |
| /* failed health analyses */ |
| chunk_printf(&msg, ","); |
| |
| /* finish with EOL */ |
| chunk_printf(&msg, "\n"); |
| |
| } |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.px_st = DATA_ST_PX_END; |
| /* fall through */ |
| |
| case DATA_ST_PX_END: |
| if (!(s->data_ctx.stats.flags & STAT_FMT_CSV)) { |
| chunk_printf(&msg, "</table><p>\n"); |
| |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.px_st = DATA_ST_PX_FIN; |
| /* fall through */ |
| |
| case DATA_ST_PX_FIN: |
| return 1; |
| |
| default: |
| /* unknown state, we should put an abort() here ! */ |
| return 1; |
| } |
| } |
| |
| |
| /* This function is called to send output to the response buffer. |
| * It dumps the sessions states onto the output buffer <rep>. |
| * Expects to be called with client socket shut down on input. |
| * s->data_ctx must have been zeroed first, and the flags properly set. |
| * It returns 0 as long as it does not complete, non-zero upon completion. |
| */ |
| int stats_dump_sess_to_buffer(struct session *s, struct buffer *rep) |
| { |
| struct chunk msg; |
| |
| if (unlikely(rep->flags & (BF_WRITE_ERROR|BF_SHUTW))) { |
| /* If we're forced to shut down, we might have to remove our |
| * reference to the last session being dumped. |
| */ |
| if (s->data_state == DATA_ST_LIST) { |
| if (!LIST_ISEMPTY(&s->data_ctx.sess.bref.users)) { |
| LIST_DEL(&s->data_ctx.sess.bref.users); |
| LIST_INIT(&s->data_ctx.sess.bref.users); |
| } |
| } |
| return 1; |
| } |
| |
| chunk_init(&msg, trash, sizeof(trash)); |
| |
| switch (s->data_state) { |
| case DATA_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(&s->data_ctx.sess.bref.users); |
| s->data_ctx.sess.bref.ref = sessions.n; |
| s->data_state = DATA_ST_LIST; |
| /* fall through */ |
| |
| case DATA_ST_LIST: |
| /* first, let's detach the back-ref from a possible previous session */ |
| if (!LIST_ISEMPTY(&s->data_ctx.sess.bref.users)) { |
| LIST_DEL(&s->data_ctx.sess.bref.users); |
| LIST_INIT(&s->data_ctx.sess.bref.users); |
| } |
| |
| /* and start from where we stopped */ |
| while (s->data_ctx.sess.bref.ref != &sessions) { |
| char pn[INET6_ADDRSTRLEN + strlen(":65535")]; |
| struct session *curr_sess; |
| |
| curr_sess = LIST_ELEM(s->data_ctx.sess.bref.ref, struct session *, list); |
| |
| chunk_printf(&msg, |
| "%p: proto=%s", |
| curr_sess, |
| curr_sess->listener->proto->name); |
| |
| switch (curr_sess->listener->proto->sock_family) { |
| case AF_INET: |
| inet_ntop(AF_INET, |
| (const void *)&((struct sockaddr_in *)&curr_sess->cli_addr)->sin_addr, |
| pn, sizeof(pn)); |
| |
| chunk_printf(&msg, |
| " src=%s:%d fe=%s be=%s srv=%s", |
| pn, |
| ntohs(((struct sockaddr_in *)&curr_sess->cli_addr)->sin_port), |
| curr_sess->fe->id, |
| curr_sess->be->id, |
| curr_sess->srv ? curr_sess->srv->id : "<none>" |
| ); |
| break; |
| case AF_INET6: |
| inet_ntop(AF_INET6, |
| (const void *)&((struct sockaddr_in6 *)(&curr_sess->cli_addr))->sin6_addr, |
| pn, sizeof(pn)); |
| |
| chunk_printf(&msg, |
| " src=%s:%d fe=%s be=%s srv=%s", |
| pn, |
| ntohs(((struct sockaddr_in6 *)&curr_sess->cli_addr)->sin6_port), |
| curr_sess->fe->id, |
| curr_sess->be->id, |
| curr_sess->srv ? curr_sess->srv->id : "<none>" |
| ); |
| |
| break; |
| case AF_UNIX: |
| /* no more information to print right now */ |
| break; |
| } |
| |
| chunk_printf(&msg, |
| " 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_printf(&msg, |
| " rq[f=%06xh,l=%d,an=%02xh,rx=%s", |
| curr_sess->req->flags, |
| curr_sess->req->l, |
| curr_sess->req->analysers, |
| curr_sess->req->rex ? |
| human_time(TICKS_TO_MS(curr_sess->req->rex - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| ",wx=%s", |
| curr_sess->req->wex ? |
| human_time(TICKS_TO_MS(curr_sess->req->wex - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| ",ax=%s]", |
| curr_sess->req->analyse_exp ? |
| human_time(TICKS_TO_MS(curr_sess->req->analyse_exp - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| " rp[f=%06xh,l=%d,an=%02xh,rx=%s", |
| curr_sess->rep->flags, |
| curr_sess->rep->l, |
| curr_sess->rep->analysers, |
| curr_sess->rep->rex ? |
| human_time(TICKS_TO_MS(curr_sess->rep->rex - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| ",wx=%s", |
| curr_sess->rep->wex ? |
| human_time(TICKS_TO_MS(curr_sess->rep->wex - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| ",ax=%s]", |
| curr_sess->rep->analyse_exp ? |
| human_time(TICKS_TO_MS(curr_sess->rep->analyse_exp - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| " s0=[%d,%1xh,fd=%d,ex=%s]", |
| curr_sess->si[0].state, |
| curr_sess->si[0].flags, |
| curr_sess->si[0].fd, |
| curr_sess->si[0].exp ? |
| human_time(TICKS_TO_MS(curr_sess->si[0].exp - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| " s1=[%d,%1xh,fd=%d,ex=%s]", |
| curr_sess->si[1].state, |
| curr_sess->si[1].flags, |
| curr_sess->si[1].fd, |
| curr_sess->si[1].exp ? |
| human_time(TICKS_TO_MS(curr_sess->si[1].exp - now_ms), |
| TICKS_TO_MS(1000)) : ""); |
| |
| chunk_printf(&msg, |
| " 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_printf(&msg, " run(nice=%d)", curr_sess->task->nice); |
| |
| chunk_printf(&msg, "\n"); |
| |
| if (buffer_feed_chunk(rep, &msg) >= 0) { |
| /* 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, &s->data_ctx.sess.bref.users); |
| return 0; |
| } |
| |
| s->data_ctx.sess.bref.ref = curr_sess->list.n; |
| } |
| s->data_state = DATA_ST_FIN; |
| /* fall through */ |
| |
| default: |
| s->data_state = DATA_ST_FIN; |
| return 1; |
| } |
| } |
| |
| /* print a line of error 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_error_line(struct chunk *out, struct error_snapshot *err, |
| int *line, int ptr) |
| { |
| int end; |
| unsigned char c; |
| |
| end = out->len + 80; |
| if (end > out->size) |
| return ptr; |
| |
| chunk_printf(out, " %05d%c ", ptr, (ptr == *line) ? ' ' : '+'); |
| |
| while (ptr < err->len && ptr < sizeof(err->buf)) { |
| c = err->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 (err->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 is called to send output to the response buffer. |
| * It dumps the errors logged in proxies onto the output buffer <rep>. |
| * Expects to be called with client socket shut down on input. |
| * s->data_ctx must have been zeroed first, and the flags properly set. |
| * It returns 0 as long as it does not complete, non-zero upon completion. |
| */ |
| int stats_dump_errors_to_buffer(struct session *s, struct buffer *rep) |
| { |
| extern const char *monthname[12]; |
| struct chunk msg; |
| |
| if (unlikely(rep->flags & (BF_WRITE_ERROR|BF_SHUTW))) |
| return 1; |
| |
| chunk_init(&msg, trash, sizeof(trash)); |
| |
| if (!s->data_ctx.errors.px) { |
| /* the function had not been called yet, let's prepare the |
| * buffer for a response. |
| */ |
| s->data_ctx.errors.px = proxy; |
| s->data_ctx.errors.buf = 0; |
| s->data_ctx.errors.bol = 0; |
| s->data_ctx.errors.ptr = -1; |
| } |
| |
| /* we have two inner loops here, one for the proxy, the other one for |
| * the buffer. |
| */ |
| while (s->data_ctx.errors.px) { |
| struct error_snapshot *es; |
| |
| if (s->data_ctx.errors.buf == 0) |
| es = &s->data_ctx.errors.px->invalid_req; |
| else |
| es = &s->data_ctx.errors.px->invalid_rep; |
| |
| if (!es->when.tv_sec) |
| goto next; |
| |
| if (s->data_ctx.errors.iid >= 0 && |
| s->data_ctx.errors.px->uuid != s->data_ctx.errors.iid && |
| es->oe->uuid != s->data_ctx.errors.iid) |
| goto next; |
| |
| if (s->data_ctx.errors.ptr < 0) { |
| /* just print headers now */ |
| |
| char pn[INET6_ADDRSTRLEN]; |
| struct tm tm; |
| |
| get_localtime(es->when.tv_sec, &tm); |
| chunk_printf(&msg, "\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)); |
| |
| |
| if (es->src.ss_family == AF_INET) |
| inet_ntop(AF_INET, |
| (const void *)&((struct sockaddr_in *)&es->src)->sin_addr, |
| pn, sizeof(pn)); |
| else |
| inet_ntop(AF_INET6, |
| (const void *)&((struct sockaddr_in6 *)(&es->src))->sin6_addr, |
| pn, sizeof(pn)); |
| |
| switch (s->data_ctx.errors.buf) { |
| case 0: |
| chunk_printf(&msg, |
| " frontend %s (#%d): invalid request\n" |
| " src %s, session #%d, backend %s (#%d), server %s (#%d)\n" |
| " request length %d bytes, error at position %d:\n\n", |
| s->data_ctx.errors.px->id, s->data_ctx.errors.px->uuid, |
| pn, es->sid, es->oe->id, es->oe->uuid, |
| es->srv ? es->srv->id : "<NONE>", |
| es->srv ? es->srv->puid : -1, |
| es->len, es->pos); |
| break; |
| case 1: |
| chunk_printf(&msg, |
| " backend %s (#%d) : invalid response\n" |
| " src %s, session #%d, frontend %s (#%d), server %s (#%d)\n" |
| " response length %d bytes, error at position %d:\n\n", |
| s->data_ctx.errors.px->id, s->data_ctx.errors.px->uuid, |
| pn, es->sid, es->oe->id, es->oe->uuid, |
| es->srv ? es->srv->id : "<NONE>", |
| es->srv ? es->srv->puid : -1, |
| es->len, es->pos); |
| break; |
| } |
| |
| if (buffer_feed_chunk(rep, &msg) >= 0) { |
| /* Socket buffer full. Let's try again later from the same point */ |
| return 0; |
| } |
| s->data_ctx.errors.ptr = 0; |
| s->data_ctx.errors.sid = es->sid; |
| } |
| |
| if (s->data_ctx.errors.sid != es->sid) { |
| /* the snapshot changed while we were dumping it */ |
| chunk_printf(&msg, |
| " WARNING! update detected on this snapshot, dump interrupted. Please re-check!\n"); |
| if (buffer_feed_chunk(rep, &msg) >= 0) |
| return 0; |
| goto next; |
| } |
| |
| /* OK, ptr >= 0, so we have to dump the current line */ |
| while (s->data_ctx.errors.ptr < es->len && s->data_ctx.errors.ptr < sizeof(es->buf)) { |
| int newptr; |
| int newline; |
| |
| newline = s->data_ctx.errors.bol; |
| newptr = dump_error_line(&msg, es, &newline, s->data_ctx.errors.ptr); |
| if (newptr == s->data_ctx.errors.ptr) |
| return 0; |
| |
| if (buffer_feed_chunk(rep, &msg) >= 0) { |
| /* Socket buffer full. Let's try again later from the same point */ |
| return 0; |
| } |
| s->data_ctx.errors.ptr = newptr; |
| s->data_ctx.errors.bol = newline; |
| }; |
| next: |
| s->data_ctx.errors.bol = 0; |
| s->data_ctx.errors.ptr = -1; |
| s->data_ctx.errors.buf++; |
| if (s->data_ctx.errors.buf > 1) { |
| s->data_ctx.errors.buf = 0; |
| s->data_ctx.errors.px = s->data_ctx.errors.px->next; |
| } |
| } |
| |
| /* dump complete */ |
| return 1; |
| } |
| |
| |
| static struct cfg_kw_list cfg_kws = {{ },{ |
| { CFG_GLOBAL, "stats", stats_parse_global }, |
| { 0, NULL, NULL }, |
| }}; |
| |
| __attribute__((constructor)) |
| static void __dumpstats_module_init(void) |
| { |
| cfg_register_keywords(&cfg_kws); |
| } |
| |
| /* |
| * Local variables: |
| * c-indent-level: 8 |
| * c-basic-offset: 8 |
| * End: |
| */ |