| /* |
| * Functions dedicated to statistics output |
| * |
| * Copyright 2000-2007 Willy Tarreau <w@1wt.eu> |
| * |
| * 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/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/time.h> |
| #include <common/uri_auth.h> |
| #include <common/version.h> |
| |
| #include <types/client.h> |
| #include <types/global.h> |
| #include <types/polling.h> |
| #include <types/proxy.h> |
| #include <types/server.h> |
| |
| #include <proto/backend.h> |
| #include <proto/buffers.h> |
| #include <proto/dumpstats.h> |
| #include <proto/fd.h> |
| #include <proto/proto_uxst.h> |
| #include <proto/senddata.h> |
| #include <proto/session.h> |
| #include <proto/server.h> |
| |
| /* 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". |
| */ |
| int stats_parse_global(const char **args, char *err, int errlen) |
| { |
| 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 |
| |
| 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_uxst_stats; |
| global.stats_sock.private = NULL; |
| |
| 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 { |
| snprintf(err, errlen, "'stats socket' only supports 'user', 'uid', 'group', 'gid', and 'mode'"); |
| return -1; |
| } |
| } |
| |
| uxst_add_listener(&global.stats_sock); |
| global.maxsock++; |
| } |
| else if (!strcmp(args[0], "timeout")) { |
| int timeout = atol(args[1]); |
| |
| if (timeout <= 0) { |
| snprintf(err, errlen, "a positive value is expected for 'stats timeout' in 'global section'"); |
| return -1; |
| } |
| __tv_from_ms(&global.stats_timeout, 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; |
| } |
| |
| /* |
| * Produces statistics data for the session <s>. Expects to be called with |
| * s->cli_state == CL_STSHUTR. It *may* make use of informations from <uri> |
| * and <flags>. |
| * 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_raw(struct session *s, struct uri_auth *uri, int flags) |
| { |
| struct buffer *rep = s->rep; |
| struct proxy *px; |
| struct chunk msg; |
| |
| msg.len = 0; |
| msg.str = trash; |
| |
| switch (s->data_state) { |
| case DATA_ST_INIT: |
| /* the function had not been called yet, let's prepare the |
| * buffer for a response. |
| */ |
| client_retnclose(s, &msg); |
| s->data_state = DATA_ST_HEAD; |
| /* fall through */ |
| |
| case DATA_ST_HEAD: |
| chunk_printf(&msg, sizeof(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," |
| "\n"); |
| |
| if (buffer_write_chunk(rep, &msg) != 0) |
| return 0; |
| |
| s->data_state = DATA_ST_INFO; |
| /* fall through */ |
| |
| case DATA_ST_INFO: |
| memset(&s->data_ctx, 0, sizeof(s->data_ctx)); |
| |
| 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) { |
| 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) == 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; |
| return 1; |
| |
| case DATA_ST_FIN: |
| return 1; |
| |
| default: |
| /* unknown state ! */ |
| return -1; |
| } |
| } |
| |
| |
| /* |
| * Produces statistics data for the session <s>. Expects to be called with |
| * s->cli_state == CL_STSHUTR. It stops by itself by unsetting the SN_SELF_GEN |
| * flag from the session, 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. |
| * 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 uri_auth *uri, int flags) |
| { |
| struct buffer *rep = s->rep; |
| struct proxy *px; |
| struct chunk msg; |
| unsigned int up; |
| |
| msg.len = 0; |
| msg.str = trash; |
| |
| switch (s->data_state) { |
| case DATA_ST_INIT: |
| /* the function had not been called yet */ |
| s->flags |= SN_SELF_GEN; // more data will follow |
| |
| chunk_printf(&msg, sizeof(trash), |
| "HTTP/1.0 200 OK\r\n" |
| "Cache-Control: no-cache\r\n" |
| "Connection: close\r\n" |
| "Content-Type: %s\r\n", |
| (flags & STAT_FMT_HTML) ? "text/html" : "text/plain"); |
| |
| if (uri->refresh > 0 && !(s->flags & SN_STAT_NORFRSH)) |
| chunk_printf(&msg, sizeof(trash), "Refresh: %d\r\n", |
| uri->refresh); |
| |
| chunk_printf(&msg, sizeof(trash), "\r\n"); |
| |
| s->txn.status = 200; |
| client_retnclose(s, &msg); // send the start of the response. |
| msg.len = 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; |
| s->flags &= ~SN_SELF_GEN; |
| return 1; |
| } |
| |
| s->data_state = DATA_ST_HEAD; /* let's start producing data */ |
| /* fall through */ |
| |
| case DATA_ST_HEAD: |
| if (flags & STAT_FMT_HTML) { |
| /* WARNING! This must fit in the first buffer !!! */ |
| chunk_printf(&msg, sizeof(trash), |
| "<html><head><title>Statistics Report for " PRODUCT_NAME "</title>\n" |
| "<meta http-equiv=\"content-type\" content=\"text/html; charset=iso-8859-1\">\n" |
| "<style type=\"text/css\"><!--\n" |
| "body {" |
| " font-family: helvetica, arial;" |
| " font-size: 12px;" |
| " font-weight: normal;" |
| " color: black;" |
| " background: white;" |
| "}\n" |
| "th,td {" |
| " font-size: 0.8em;" |
| " align: center;" |
| "}\n" |
| "h1 {" |
| " font-size: xx-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" |
| ".pxname {background: #b00040;color: #ffff40;font-weight: bold;}\n" |
| ".titre {background: #20D0D0;color: #000000;font-weight: bold;}\n" |
| ".total {background: #20D0D0;color: #ffff80;}\n" |
| ".frontend {background: #e8e8d0;}\n" |
| ".backend {background: #e8e8d0;}\n" |
| ".active0 {background: #ff9090;}\n" |
| ".active1 {background: #ffd020;}\n" |
| ".active2 {background: #ffffa0;}\n" |
| ".active3 {background: #c0ffc0;}\n" |
| ".active4 {background: #e0e0e0;}\n" |
| ".backup0 {background: #ff9090;}\n" |
| ".backup1 {background: #ff80ff;}\n" |
| ".backup2 {background: #c060ff;}\n" |
| ".backup3 {background: #b0d0ff;}\n" |
| ".backup4 {background: #e0e0e0;}\n" |
| "table.tbl { border-collapse: collapse; border-style: none;}\n" |
| "table.tbl td { border-width: 1px 1px 1px 1px; border-style: solid solid solid solid; padding: 2px 3px; border-color: gray;}\n" |
| "table.tbl th { border-width: 1px; border-style: solid solid solid solid; border-color: gray;}\n" |
| "table.tbl th.empty { border-style: none; empty-cells: hide;}\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"); |
| } else { |
| chunk_printf(&msg, sizeof(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," |
| "\n"); |
| } |
| if (buffer_write_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 (flags & STAT_FMT_HTML) { |
| chunk_printf(&msg, sizeof(trash), |
| "<body><h1><a href=\"" PRODUCT_URL "\" style=\"text-decoration: none;\">" |
| PRODUCT_NAME "%s</a></h1>\n" |
| "<h2>Statistics Report for pid %d</h2>\n" |
| "<hr width=\"100%%\" class=\"hr\">\n" |
| "<h3>> General process information</h3>\n" |
| "<table border=0 cols=4><tr><td align=\"left\" nowrap width=\"1%%\">\n" |
| "<p><b>pid = </b> %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<br>\n" |
| "<b>maxconn = </b> %d (current conns = %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=\"active4\"></td><td class=\"noborder\">not checked </td>" |
| "</tr></table>\n" |
| "</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, 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, |
| actconn |
| ); |
| |
| if (s->flags & SN_STAT_HIDEDWN) |
| chunk_printf(&msg, sizeof(trash), |
| "<li><a href=\"%s%s%s\">Show all servers</a><br>\n", |
| uri->uri_prefix, |
| "", |
| (s->flags & SN_STAT_NORFRSH) ? ";norefresh" : ""); |
| else |
| chunk_printf(&msg, sizeof(trash), |
| "<li><a href=\"%s%s%s\">Hide 'DOWN' servers</a><br>\n", |
| uri->uri_prefix, |
| ";up", |
| (s->flags & SN_STAT_NORFRSH) ? ";norefresh" : ""); |
| |
| if (uri->refresh > 0) { |
| if (s->flags & SN_STAT_NORFRSH) |
| chunk_printf(&msg, sizeof(trash), |
| "<li><a href=\"%s%s%s\">Enable refresh</a><br>\n", |
| uri->uri_prefix, |
| (s->flags & SN_STAT_HIDEDWN) ? ";up" : "", |
| ""); |
| else |
| chunk_printf(&msg, sizeof(trash), |
| "<li><a href=\"%s%s%s\">Disable refresh</a><br>\n", |
| uri->uri_prefix, |
| (s->flags & SN_STAT_HIDEDWN) ? ";up" : "", |
| ";norefresh"); |
| } |
| |
| chunk_printf(&msg, sizeof(trash), |
| "<li><a href=\"%s%s%s\">Refresh now</a><br>\n", |
| uri->uri_prefix, |
| (s->flags & SN_STAT_HIDEDWN) ? ";up" : "", |
| (s->flags & SN_STAT_NORFRSH) ? ";norefresh" : ""); |
| |
| chunk_printf(&msg, sizeof(trash), |
| "<li><a href=\"%s;csv%s\">CSV export</a><br>\n", |
| uri->uri_prefix, |
| (uri->refresh > 0) ? ";norefresh" : ""); |
| |
| chunk_printf(&msg, sizeof(trash), |
| "</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_write_chunk(rep, &msg) != 0) |
| return 0; |
| } |
| |
| memset(&s->data_ctx, 0, sizeof(s->data_ctx)); |
| |
| 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) { |
| 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, flags) == 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 (flags & STAT_FMT_HTML) { |
| chunk_printf(&msg, sizeof(trash), "</body></html>\n"); |
| if (buffer_write_chunk(rep, &msg) != 0) |
| return 0; |
| } |
| |
| s->data_state = DATA_ST_FIN; |
| /* fall through */ |
| |
| case DATA_ST_FIN: |
| s->flags &= ~SN_SELF_GEN; |
| return 1; |
| |
| default: |
| /* unknown state ! */ |
| s->flags &= ~SN_SELF_GEN; |
| 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, int flags) |
| { |
| struct buffer *rep = s->rep; |
| struct server *sv; |
| struct chunk msg; |
| |
| msg.len = 0; |
| msg.str = 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; |
| } |
| |
| s->data_ctx.stats.px_st = DATA_ST_PX_TH; |
| /* fall through */ |
| |
| case DATA_ST_PX_TH: |
| if (flags & STAT_FMT_HTML) { |
| /* print a new table */ |
| chunk_printf(&msg, sizeof(trash), |
| "<table cols=\"24\" class=\"tbl\" width=\"100%%\">\n" |
| "<tr align=\"center\" class=\"titre\">" |
| "<th colspan=2 class=\"pxname\">%s</th>" |
| "<th colspan=21 class=\"empty\"></th>" |
| "</tr>\n" |
| "<tr align=\"center\" class=\"titre\">" |
| "<th rowspan=2></th>" |
| "<th colspan=3>Queue</th><th colspan=4>Sessions</th>" |
| "<th colspan=2>Bytes</th><th colspan=2>Denied</th>" |
| "<th colspan=3>Errors</th><th colspan=2>Warnings</th>" |
| "<th colspan=7>Server</th>" |
| "</tr>\n" |
| "<tr align=\"center\" class=\"titre\">" |
| "<th>Cur</th><th>Max</th><th>Limit</th><th>Cur</th><th>Max</th>" |
| "<th>Limit</th><th>Cumul</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>Wght</th><th>Act</th>" |
| "<th>Bck</th><th>Chk</th><th>Dwn</th><th>Dwntme</th>\n" |
| "</tr>", |
| px->id); |
| |
| if (buffer_write_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) { |
| if (flags & STAT_FMT_HTML) { |
| chunk_printf(&msg, sizeof(trash), |
| /* name, queue */ |
| "<tr align=center class=\"frontend\"><td>Frontend</td><td colspan=3></td>" |
| /* sessions : current, max, limit, cumul */ |
| "<td align=right>%d</td><td align=right>%d</td>" |
| "<td align=right>%d</td><td align=right>%d</td>" |
| /* bytes : in, out */ |
| "<td align=right>%lld</td><td align=right>%lld</td>" |
| /* denied: req, resp */ |
| "<td align=right>%d</td><td align=right>%d</td>" |
| /* errors : request, connect, response */ |
| "<td align=right>%d</td><td align=right></td><td align=right></td>" |
| /* warnings: retries, redispatches */ |
| "<td align=right></td><td align=right></td>" |
| /* server status : reflect frontend status */ |
| "<td align=center>%s</td>" |
| /* rest of server: nothing */ |
| "<td align=center colspan=6></td></tr>" |
| "", |
| px->feconn, px->feconn_max, px->maxconn, px->cum_feconn, |
| px->bytes_in, px->bytes_out, |
| px->denied_req, px->denied_resp, |
| px->failed_req, |
| px->state == PR_STRUN ? "OPEN" : |
| px->state == PR_STIDLE ? "FULL" : "STOP"); |
| } else { |
| chunk_printf(&msg, sizeof(trash), |
| /* pxid, name, queue cur, queue max, */ |
| "%s,FRONTEND,,," |
| /* sessions : current, max, limit, cumul */ |
| "%d,%d,%d,%d," |
| /* bytes : in, out */ |
| "%lld,%lld," |
| /* denied: req, resp */ |
| "%d,%d," |
| /* errors : request, connect, response */ |
| "%d,,," |
| /* warnings: retries, redispatches */ |
| ",," |
| /* server status : reflect frontend status */ |
| "%s," |
| /* rest of server: nothing */ |
| ",,,,,,,," |
| "\n", |
| px->id, |
| px->feconn, px->feconn_max, px->maxconn, px->cum_feconn, |
| px->bytes_in, px->bytes_out, |
| px->denied_req, px->denied_resp, |
| px->failed_req, |
| px->state == PR_STRUN ? "OPEN" : |
| px->state == PR_STIDLE ? "FULL" : "STOP"); |
| } |
| |
| if (buffer_write_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 */ |
| while (s->data_ctx.stats.sv != NULL) { |
| int sv_state; /* 0=DOWN, 1=going up, 2=going down, 3=UP, 4=unchecked */ |
| |
| sv = s->data_ctx.stats.sv; |
| |
| /* FIXME: produce some small strings for "UP/DOWN x/y &#xxxx;" */ |
| if (!(sv->state & SRV_CHECKED)) |
| sv_state = 4; |
| else if (sv->state & SRV_RUNNING) |
| if (sv->health == sv->rise + sv->fall - 1) |
| sv_state = 3; /* UP */ |
| else |
| sv_state = 2; /* going down */ |
| else |
| if (sv->health) |
| sv_state = 1; /* going up */ |
| else |
| sv_state = 0; /* DOWN */ |
| |
| if ((sv_state == 0) && (s->flags & SN_STAT_HIDEDWN)) { |
| /* do not report servers which are DOWN */ |
| s->data_ctx.stats.sv = sv->next; |
| continue; |
| } |
| |
| if (flags & STAT_FMT_HTML) { |
| static char *srv_hlt_st[5] = { "DOWN", "DN %d/%d ↑", "UP %d/%d ↓", |
| "UP", "<i>no check</i>" }; |
| chunk_printf(&msg, sizeof(trash), |
| /* name */ |
| "<tr align=\"center\" class=\"%s%d\"><td>%s</td>" |
| /* queue : current, max, limit */ |
| "<td align=right>%d</td><td align=right>%d</td><td align=right>%s</td>" |
| /* sessions : current, max, limit, cumul */ |
| "<td align=right>%d</td><td align=right>%d</td>" |
| "<td align=right>%s</td><td align=right>%d</td>" |
| /* bytes : in, out */ |
| "<td align=right>%lld</td><td align=right>%lld</td>" |
| /* denied: req, resp */ |
| "<td align=right></td><td align=right>%d</td>" |
| /* errors : request, connect, response */ |
| "<td align=right></td><td align=right>%d</td><td align=right>%d</td>\n" |
| /* warnings: retries, redispatches */ |
| "<td align=right>%d</td><td align=right></td>" |
| "", |
| (sv->state & SRV_BACKUP) ? "backup" : "active", |
| sv_state, sv->id, |
| sv->nbpend, sv->nbpend_max, LIM2A0(sv->maxqueue, "-"), |
| sv->cur_sess, sv->cur_sess_max, LIM2A1(sv->maxconn, "-"), sv->cum_sess, |
| sv->bytes_in, sv->bytes_out, |
| sv->failed_secu, |
| sv->failed_conns, sv->failed_resp, |
| sv->retries); |
| |
| /* status */ |
| chunk_printf(&msg, sizeof(trash), "<td nowrap>"); |
| |
| if (sv->state & SRV_CHECKED) |
| chunk_printf(&msg, sizeof(trash), "%s ", |
| human_time(now.tv_sec - sv->last_change, 1)); |
| |
| chunk_printf(&msg, sizeof(trash), |
| 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, sizeof(trash), |
| /* weight */ |
| "</td><td>%d</td>" |
| /* act, bck */ |
| "<td>%s</td><td>%s</td>" |
| "", |
| sv->uweight, |
| (sv->state & SRV_BACKUP) ? "-" : "Y", |
| (sv->state & SRV_BACKUP) ? "Y" : "-"); |
| |
| /* check failures: unique, fatal, down time */ |
| if (sv->state & SRV_CHECKED) |
| chunk_printf(&msg, sizeof(trash), |
| "<td align=right>%d</td><td align=right>%d</td>" |
| "<td nowrap align=right>%s</td>" |
| "</tr>\n", |
| sv->failed_checks, sv->down_trans, |
| human_time(srv_downtime(sv), 1)); |
| else |
| chunk_printf(&msg, sizeof(trash), |
| "<td colspan=3></td></tr>\n"); |
| } else { |
| static char *srv_hlt_st[5] = { "DOWN,", "DOWN %d/%d,", "UP %d/%d,", |
| "UP,", "no check," }; |
| chunk_printf(&msg, sizeof(trash), |
| /* pxid, name */ |
| "%s,%s," |
| /* queue : current, max */ |
| "%d,%d," |
| /* sessions : current, max, limit, cumul */ |
| "%d,%d,%s,%d," |
| /* bytes : in, out */ |
| "%lld,%lld," |
| /* denied: req, resp */ |
| ",%d," |
| /* errors : request, connect, response */ |
| ",%d,%d," |
| /* warnings: retries, redispatches */ |
| "%d,," |
| "", |
| px->id, sv->id, |
| sv->nbpend, sv->nbpend_max, |
| sv->cur_sess, sv->cur_sess_max, sv->maxconn ? ultoa(sv->maxconn) : "-", sv->cum_sess, |
| sv->bytes_in, sv->bytes_out, |
| sv->failed_secu, |
| sv->failed_conns, sv->failed_resp, |
| sv->retries); |
| |
| /* status */ |
| chunk_printf(&msg, sizeof(trash), |
| 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, sizeof(trash), |
| /* weight, active, backup */ |
| "%d,%d,%d," |
| "", |
| sv->uweight, |
| (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, sizeof(trash), |
| "%d,%d,%d,%d,", |
| sv->failed_checks, sv->down_trans, |
| now.tv_sec - sv->last_change, srv_downtime(sv)); |
| else |
| chunk_printf(&msg, sizeof(trash), |
| ",,,,"); |
| |
| /* queue limit and EOL */ |
| chunk_printf(&msg, sizeof(trash), |
| "%s,\n", |
| LIM2A0(sv->maxqueue, "")); |
| } |
| if (buffer_write_chunk(rep, &msg) != 0) |
| return 0; |
| |
| s->data_ctx.stats.sv = sv->next; |
| } /* while 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) { |
| int gcd = 1; |
| |
| if (px->map_state & PR_MAP_RECALC) |
| recalc_server_map(px); |
| |
| /* The GCD which was computed causes the total effective |
| * weight to appear lower than all weights. Let's |
| * recompute it. |
| */ |
| if (px->srv && px->srv->eweight) |
| gcd = px->srv->uweight / px->srv->eweight; |
| |
| if (flags & STAT_FMT_HTML) { |
| chunk_printf(&msg, sizeof(trash), |
| /* name */ |
| "<tr align=center class=\"backend\"><td>Backend</td>" |
| /* queue : current, max */ |
| "<td align=right>%d</td><td align=right>%d</td><td></td>" |
| /* sessions : current, max, limit, cumul. */ |
| "<td align=right>%d</td><td align=right>%d</td><td align=right>%d</td><td align=right>%d</td>" |
| /* bytes : in, out */ |
| "<td align=right>%lld</td><td align=right>%lld</td>" |
| /* denied: req, resp */ |
| "<td align=right>%d</td><td align=right>%d</td>" |
| /* errors : request, connect, response */ |
| "<td align=right></td><td align=right>%d</td><td align=right>%d</td>\n" |
| /* warnings: retries, redispatches */ |
| "<td align=right>%d</td><td align=right>%d</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 align=center nowrap>%s %s</td><td align=center>%d</td>" |
| "<td align=center>%d</td><td align=center>%d</td>", |
| px->nbpend /* or px->totpend ? */, px->nbpend_max, |
| px->beconn, px->beconn_max, px->fullconn, px->cum_beconn, |
| px->bytes_in, px->bytes_out, |
| px->denied_req, px->denied_resp, |
| px->failed_conns, px->failed_resp, |
| px->retries, px->redispatches, |
| human_time(now.tv_sec - px->last_change, 1), |
| (px->srv_map_sz > 0 || !px->srv) ? "UP" : "DOWN", |
| px->srv_map_sz * gcd, px->srv_act, px->srv_bck); |
| |
| chunk_printf(&msg, sizeof(trash), |
| /* rest of backend: nothing, down transformations, total downtime */ |
| "<td align=center> </td><td align=\"right\">%d</td>" |
| "<td align=\"right\" nowrap>%s</td>" |
| "</tr>", |
| px->down_trans, |
| px->srv?human_time(be_downtime(px), 1):" "); |
| } else { |
| chunk_printf(&msg, sizeof(trash), |
| /* pxid, name */ |
| "%s,BACKEND," |
| /* queue : current, max */ |
| "%d,%d," |
| /* sessions : current, max, limit, cumul */ |
| "%d,%d,%d,%d," |
| /* bytes : in, out */ |
| "%lld,%lld," |
| /* denied: req, resp */ |
| "%d,%d," |
| /* errors : request, connect, response */ |
| ",%d,%d," |
| /* warnings: retries, redispatches */ |
| "%d,%d," |
| /* 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 transformations, |
| * last change, total downtime. */ |
| ",%d,%d,%d,," |
| "\n", |
| px->id, |
| px->nbpend /* or px->totpend ? */, px->nbpend_max, |
| px->beconn, px->beconn_max, px->fullconn, px->cum_beconn, |
| px->bytes_in, px->bytes_out, |
| px->denied_req, px->denied_resp, |
| px->failed_conns, px->failed_resp, |
| px->retries, px->redispatches, |
| (px->srv_map_sz > 0 || !px->srv) ? "UP" : "DOWN", |
| px->srv_map_sz * gcd, px->srv_act, px->srv_bck, |
| px->down_trans, now.tv_sec - px->last_change, |
| px->srv?be_downtime(px):0); |
| } |
| if (buffer_write_chunk(rep, &msg) != 0) |
| return 0; |
| } |
| |
| s->data_ctx.stats.px_st = DATA_ST_PX_END; |
| /* fall through */ |
| |
| case DATA_ST_PX_END: |
| if (flags & STAT_FMT_HTML) { |
| chunk_printf(&msg, sizeof(trash), "</table><p>\n"); |
| |
| if (buffer_write_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; |
| } |
| } |
| |
| /* |
| * Local variables: |
| * c-indent-level: 8 |
| * c-basic-offset: 8 |
| * End: |
| */ |