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git01.mediatek.com / haproxy / 0a8d05d31cc30279f4636ae1025d9e43d53719c9 / . / src / stats.c
blob: 8140d87f953a4402d9732eebc36015c6b4b201ad [file] [log] [blame]
/*
* Functions dedicated to statistics output and the stats socket
*
* Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
* Copyright 2007-2009 Krzysztof Piotr Oledzki <ole@ans.pl>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <haproxy/api.h>
#include <haproxy/applet-t.h>
#include <haproxy/backend.h>
#include <haproxy/base64.h>
#include <haproxy/cfgparse.h>
#include <haproxy/channel.h>
#include <haproxy/check.h>
#include <haproxy/cli.h>
#include <haproxy/compression.h>
#include <haproxy/debug.h>
#include <haproxy/errors.h>
#include <haproxy/fd.h>
#include <haproxy/freq_ctr.h>
#include <haproxy/frontend.h>
#include <haproxy/global.h>
#include <haproxy/http.h>
#include <haproxy/http_htx.h>
#include <haproxy/htx.h>
#include <haproxy/list.h>
#include <haproxy/listener.h>
#include <haproxy/log.h>
#include <haproxy/map-t.h>
#include <haproxy/pattern-t.h>
#include <haproxy/pipe.h>
#include <haproxy/pool.h>
#include <haproxy/proxy.h>
#include <haproxy/resolvers.h>
#include <haproxy/server.h>
#include <haproxy/session.h>
#include <haproxy/ssl_sock.h>
#include <haproxy/stats.h>
#include <haproxy/stream.h>
#include <haproxy/stream_interface.h>
#include <haproxy/task.h>
#include <haproxy/ticks.h>
#include <haproxy/time.h>
#include <haproxy/tools.h>
#include <haproxy/uri_auth-t.h>
#include <haproxy/version.h>
/* status codes available for the stats admin page (strictly 4 chars length) */
const char *stat_status_codes[STAT_STATUS_SIZE] = {
[STAT_STATUS_DENY] = "DENY",
[STAT_STATUS_DONE] = "DONE",
[STAT_STATUS_ERRP] = "ERRP",
[STAT_STATUS_EXCD] = "EXCD",
[STAT_STATUS_NONE] = "NONE",
[STAT_STATUS_PART] = "PART",
[STAT_STATUS_UNKN] = "UNKN",
[STAT_STATUS_IVAL] = "IVAL",
};
/* These are the field names for each INF_* field position. Please pay attention
* to always use the exact same name except that the strings for new names must
* be lower case or CamelCase while the enum entries must be upper case.
*/
const struct name_desc info_fields[INF_TOTAL_FIELDS] = {
[INF_NAME] = { .name = "Name", .desc = "Product name" },
[INF_VERSION] = { .name = "Version", .desc = "Product version" },
[INF_RELEASE_DATE] = { .name = "Release_date", .desc = "Date of latest source code update" },
[INF_NBTHREAD] = { .name = "Nbthread", .desc = "Number of started threads (global.nbthread)" },
[INF_NBPROC] = { .name = "Nbproc", .desc = "Number of started worker processes (historical, always 1)" },
[INF_PROCESS_NUM] = { .name = "Process_num", .desc = "Relative worker process number (1)" },
[INF_PID] = { .name = "Pid", .desc = "This worker process identifier for the system" },
[INF_UPTIME] = { .name = "Uptime", .desc = "How long ago this worker process was started (days+hours+minutes+seconds)" },
[INF_UPTIME_SEC] = { .name = "Uptime_sec", .desc = "How long ago this worker process was started (seconds)" },
[INF_START_TIME_SEC] = { .name = "Start_time_sec", .desc = "Start time in seconds" },
[INF_MEMMAX_MB] = { .name = "Memmax_MB", .desc = "Worker process's hard limit on memory usage in MB (-m on command line)" },
[INF_MEMMAX_BYTES] = { .name = "Memmax_bytes", .desc = "Worker process's hard limit on memory usage in byes (-m on command line)" },
[INF_POOL_ALLOC_MB] = { .name = "PoolAlloc_MB", .desc = "Amount of memory allocated in pools (in MB)" },
[INF_POOL_ALLOC_BYTES] = { .name = "PoolAlloc_bytes", .desc = "Amount of memory allocated in pools (in bytes)" },
[INF_POOL_USED_MB] = { .name = "PoolUsed_MB", .desc = "Amount of pool memory currently used (in MB)" },
[INF_POOL_USED_BYTES] = { .name = "PoolUsed_bytes", .desc = "Amount of pool memory currently used (in bytes)" },
[INF_POOL_FAILED] = { .name = "PoolFailed", .desc = "Number of failed pool allocations since this worker was started" },
[INF_ULIMIT_N] = { .name = "Ulimit-n", .desc = "Hard limit on the number of per-process file descriptors" },
[INF_MAXSOCK] = { .name = "Maxsock", .desc = "Hard limit on the number of per-process sockets" },
[INF_MAXCONN] = { .name = "Maxconn", .desc = "Hard limit on the number of per-process connections (configured or imposed by Ulimit-n)" },
[INF_HARD_MAXCONN] = { .name = "Hard_maxconn", .desc = "Hard limit on the number of per-process connections (imposed by Memmax_MB or Ulimit-n)" },
[INF_CURR_CONN] = { .name = "CurrConns", .desc = "Current number of connections on this worker process" },
[INF_CUM_CONN] = { .name = "CumConns", .desc = "Total number of connections on this worker process since started" },
[INF_CUM_REQ] = { .name = "CumReq", .desc = "Total number of requests on this worker process since started" },
[INF_MAX_SSL_CONNS] = { .name = "MaxSslConns", .desc = "Hard limit on the number of per-process SSL endpoints (front+back), 0=unlimited" },
[INF_CURR_SSL_CONNS] = { .name = "CurrSslConns", .desc = "Current number of SSL endpoints on this worker process (front+back)" },
[INF_CUM_SSL_CONNS] = { .name = "CumSslConns", .desc = "Total number of SSL endpoints on this worker process since started (front+back)" },
[INF_MAXPIPES] = { .name = "Maxpipes", .desc = "Hard limit on the number of pipes for splicing, 0=unlimited" },
[INF_PIPES_USED] = { .name = "PipesUsed", .desc = "Current number of pipes in use in this worker process" },
[INF_PIPES_FREE] = { .name = "PipesFree", .desc = "Current number of allocated and available pipes in this worker process" },
[INF_CONN_RATE] = { .name = "ConnRate", .desc = "Number of front connections created on this worker process over the last second" },
[INF_CONN_RATE_LIMIT] = { .name = "ConnRateLimit", .desc = "Hard limit for ConnRate (global.maxconnrate)" },
[INF_MAX_CONN_RATE] = { .name = "MaxConnRate", .desc = "Highest ConnRate reached on this worker process since started (in connections per second)" },
[INF_SESS_RATE] = { .name = "SessRate", .desc = "Number of sessions created on this worker process over the last second" },
[INF_SESS_RATE_LIMIT] = { .name = "SessRateLimit", .desc = "Hard limit for SessRate (global.maxsessrate)" },
[INF_MAX_SESS_RATE] = { .name = "MaxSessRate", .desc = "Highest SessRate reached on this worker process since started (in sessions per second)" },
[INF_SSL_RATE] = { .name = "SslRate", .desc = "Number of SSL connections created on this worker process over the last second" },
[INF_SSL_RATE_LIMIT] = { .name = "SslRateLimit", .desc = "Hard limit for SslRate (global.maxsslrate)" },
[INF_MAX_SSL_RATE] = { .name = "MaxSslRate", .desc = "Highest SslRate reached on this worker process since started (in connections per second)" },
[INF_SSL_FRONTEND_KEY_RATE] = { .name = "SslFrontendKeyRate", .desc = "Number of SSL keys created on frontends in this worker process over the last second" },
[INF_SSL_FRONTEND_MAX_KEY_RATE] = { .name = "SslFrontendMaxKeyRate", .desc = "Highest SslFrontendKeyRate reached on this worker process since started (in SSL keys per second)" },
[INF_SSL_FRONTEND_SESSION_REUSE_PCT] = { .name = "SslFrontendSessionReuse_pct", .desc = "Percent of frontend SSL connections which did not require a new key" },
[INF_SSL_BACKEND_KEY_RATE] = { .name = "SslBackendKeyRate", .desc = "Number of SSL keys created on backends in this worker process over the last second" },
[INF_SSL_BACKEND_MAX_KEY_RATE] = { .name = "SslBackendMaxKeyRate", .desc = "Highest SslBackendKeyRate reached on this worker process since started (in SSL keys per second)" },
[INF_SSL_CACHE_LOOKUPS] = { .name = "SslCacheLookups", .desc = "Total number of SSL session ID lookups in the SSL session cache on this worker since started" },
[INF_SSL_CACHE_MISSES] = { .name = "SslCacheMisses", .desc = "Total number of SSL session ID lookups that didn't find a session in the SSL session cache on this worker since started" },
[INF_COMPRESS_BPS_IN] = { .name = "CompressBpsIn", .desc = "Number of bytes submitted to the HTTP compressor in this worker process over the last second" },
[INF_COMPRESS_BPS_OUT] = { .name = "CompressBpsOut", .desc = "Number of bytes emitted by the HTTP compressor in this worker process over the last second" },
[INF_COMPRESS_BPS_RATE_LIM] = { .name = "CompressBpsRateLim", .desc = "Limit of CompressBpsOut beyond which HTTP compression is automatically disabled" },
[INF_ZLIB_MEM_USAGE] = { .name = "ZlibMemUsage", .desc = "Amount of memory currently used by HTTP compression on the current worker process (in bytes)" },
[INF_MAX_ZLIB_MEM_USAGE] = { .name = "MaxZlibMemUsage", .desc = "Limit on the amount of memory used by HTTP compression above which it is automatically disabled (in bytes, see global.maxzlibmem)" },
[INF_TASKS] = { .name = "Tasks", .desc = "Total number of tasks in the current worker process (active + sleeping)" },
[INF_RUN_QUEUE] = { .name = "Run_queue", .desc = "Total number of active tasks+tasklets in the current worker process" },
[INF_IDLE_PCT] = { .name = "Idle_pct", .desc = "Percentage of last second spent waiting in the current worker thread" },
[INF_NODE] = { .name = "node", .desc = "Node name (global.node)" },
[INF_DESCRIPTION] = { .name = "description", .desc = "Node description (global.description)" },
[INF_STOPPING] = { .name = "Stopping", .desc = "1 if the worker process is currently stopping, otherwise zero" },
[INF_JOBS] = { .name = "Jobs", .desc = "Current number of active jobs on the current worker process (frontend connections, master connections, listeners)" },
[INF_UNSTOPPABLE_JOBS] = { .name = "Unstoppable Jobs", .desc = "Current number of unstoppable jobs on the current worker process (master connections)" },
[INF_LISTENERS] = { .name = "Listeners", .desc = "Current number of active listeners on the current worker process" },
[INF_ACTIVE_PEERS] = { .name = "ActivePeers", .desc = "Current number of verified active peers connections on the current worker process" },
[INF_CONNECTED_PEERS] = { .name = "ConnectedPeers", .desc = "Current number of peers having passed the connection step on the current worker process" },
[INF_DROPPED_LOGS] = { .name = "DroppedLogs", .desc = "Total number of dropped logs for current worker process since started" },
[INF_BUSY_POLLING] = { .name = "BusyPolling", .desc = "1 if busy-polling is currently in use on the worker process, otherwise zero (config.busy-polling)" },
[INF_FAILED_RESOLUTIONS] = { .name = "FailedResolutions", .desc = "Total number of failed DNS resolutions in current worker process since started" },
[INF_TOTAL_BYTES_OUT] = { .name = "TotalBytesOut", .desc = "Total number of bytes emitted by current worker process since started" },
[INF_TOTAL_SPLICED_BYTES_OUT] = { .name = "TotalSplicdedBytesOut", .desc = "Total number of bytes emitted by current worker process through a kernel pipe since started" },
[INF_BYTES_OUT_RATE] = { .name = "BytesOutRate", .desc = "Number of bytes emitted by current worker process over the last second" },
[INF_DEBUG_COMMANDS_ISSUED] = { .name = "DebugCommandsIssued", .desc = "Number of debug commands issued on this process (anything > 0 is unsafe)" },
[INF_CUM_LOG_MSGS] = { .name = "CumRecvLogs", .desc = "Total number of log messages received by log-forwarding listeners on this worker process since started" },
[INF_BUILD_INFO] = { .name = "Build info", .desc = "Build info" },
[INF_TAINTED] = { .name = "Tainted", .desc = "Experimental features used" },
};
const struct name_desc stat_fields[ST_F_TOTAL_FIELDS] = {
[ST_F_PXNAME] = { .name = "pxname", .desc = "Proxy name" },
[ST_F_SVNAME] = { .name = "svname", .desc = "Server name" },
[ST_F_QCUR] = { .name = "qcur", .desc = "Number of current queued connections" },
[ST_F_QMAX] = { .name = "qmax", .desc = "Highest value of queued connections encountered since process started" },
[ST_F_SCUR] = { .name = "scur", .desc = "Number of current sessions on the frontend, backend or server" },
[ST_F_SMAX] = { .name = "smax", .desc = "Highest value of current sessions encountered since process started" },
[ST_F_SLIM] = { .name = "slim", .desc = "Frontend/listener/server's maxconn, backend's fullconn" },
[ST_F_STOT] = { .name = "stot", .desc = "Total number of sessions since process started" },
[ST_F_BIN] = { .name = "bin", .desc = "Total number of request bytes since process started" },
[ST_F_BOUT] = { .name = "bout", .desc = "Total number of response bytes since process started" },
[ST_F_DREQ] = { .name = "dreq", .desc = "Total number of denied requests since process started" },
[ST_F_DRESP] = { .name = "dresp", .desc = "Total number of denied responses since process started" },
[ST_F_EREQ] = { .name = "ereq", .desc = "Total number of invalid requests since process started" },
[ST_F_ECON] = { .name = "econ", .desc = "Total number of failed connections to server since the worker process started" },
[ST_F_ERESP] = { .name = "eresp", .desc = "Total number of invalid responses since the worker process started" },
[ST_F_WRETR] = { .name = "wretr", .desc = "Total number of server connection retries since the worker process started" },
[ST_F_WREDIS] = { .name = "wredis", .desc = "Total number of server redispatches due to connection failures since the worker process started" },
[ST_F_STATUS] = { .name = "status", .desc = "Frontend/listen status: OPEN/WAITING/FULL/STOP; backend: UP/DOWN; server: last check status" },
[ST_F_WEIGHT] = { .name = "weight", .desc = "Server's effective weight, or sum of active servers' effective weights for a backend" },
[ST_F_ACT] = { .name = "act", .desc = "Total number of active UP servers with a non-zero weight" },
[ST_F_BCK] = { .name = "bck", .desc = "Total number of backup UP servers with a non-zero weight" },
[ST_F_CHKFAIL] = { .name = "chkfail", .desc = "Total number of failed individual health checks per server/backend, since the worker process started" },
[ST_F_CHKDOWN] = { .name = "chkdown", .desc = "Total number of failed checks causing UP to DOWN server transitions, per server/backend, since the worker process started" },
[ST_F_LASTCHG] = { .name = "lastchg", .desc = "How long ago the last server state changed, in seconds" },
[ST_F_DOWNTIME] = { .name = "downtime", .desc = "Total time spent in DOWN state, for server or backend" },
[ST_F_QLIMIT] = { .name = "qlimit", .desc = "Limit on the number of connections in queue, for servers only (maxqueue argument)" },
[ST_F_PID] = { .name = "pid", .desc = "Relative worker process number (1)" },
[ST_F_IID] = { .name = "iid", .desc = "Frontend or Backend numeric identifier ('id' setting)" },
[ST_F_SID] = { .name = "sid", .desc = "Server numeric identifier ('id' setting)" },
[ST_F_THROTTLE] = { .name = "throttle", .desc = "Throttling ratio applied to a server's maxconn and weight during the slowstart period (0 to 100%)" },
[ST_F_LBTOT] = { .name = "lbtot", .desc = "Total number of requests routed by load balancing since the worker process started (ignores queue pop and stickiness)" },
[ST_F_TRACKED] = { .name = "tracked", .desc = "Name of the other server this server tracks for its state" },
[ST_F_TYPE] = { .name = "type", .desc = "Type of the object (Listener, Frontend, Backend, Server)" },
[ST_F_RATE] = { .name = "rate", .desc = "Total number of sessions processed by this object over the last second (sessions for listeners/frontends, requests for backends/servers)" },
[ST_F_RATE_LIM] = { .name = "rate_lim", .desc = "Limit on the number of sessions accepted in a second (frontend only, 'rate-limit sessions' setting)" },
[ST_F_RATE_MAX] = { .name = "rate_max", .desc = "Highest value of sessions per second observed since the worker process started" },
[ST_F_CHECK_STATUS] = { .name = "check_status", .desc = "Status report of the server's latest health check, prefixed with '*' if a check is currently in progress" },
[ST_F_CHECK_CODE] = { .name = "check_code", .desc = "HTTP/SMTP/LDAP status code reported by the latest server health check" },
[ST_F_CHECK_DURATION] = { .name = "check_duration", .desc = "Total duration of the latest server health check, in milliseconds" },
[ST_F_HRSP_1XX] = { .name = "hrsp_1xx", .desc = "Total number of HTTP responses with status 100-199 returned by this object since the worker process started" },
[ST_F_HRSP_2XX] = { .name = "hrsp_2xx", .desc = "Total number of HTTP responses with status 200-299 returned by this object since the worker process started" },
[ST_F_HRSP_3XX] = { .name = "hrsp_3xx", .desc = "Total number of HTTP responses with status 300-399 returned by this object since the worker process started" },
[ST_F_HRSP_4XX] = { .name = "hrsp_4xx", .desc = "Total number of HTTP responses with status 400-499 returned by this object since the worker process started" },
[ST_F_HRSP_5XX] = { .name = "hrsp_5xx", .desc = "Total number of HTTP responses with status 500-599 returned by this object since the worker process started" },
[ST_F_HRSP_OTHER] = { .name = "hrsp_other", .desc = "Total number of HTTP responses with status <100, >599 returned by this object since the worker process started (error -1 included)" },
[ST_F_HANAFAIL] = { .name = "hanafail", .desc = "Total number of failed checks caused by an 'on-error' directive after an 'observe' condition matched" },
[ST_F_REQ_RATE] = { .name = "req_rate", .desc = "Number of HTTP requests processed over the last second on this object" },
[ST_F_REQ_RATE_MAX] = { .name = "req_rate_max", .desc = "Highest value of http requests observed since the worker process started" },
[ST_F_REQ_TOT] = { .name = "req_tot", .desc = "Total number of HTTP requests processed by this object since the worker process started" },
[ST_F_CLI_ABRT] = { .name = "cli_abrt", .desc = "Total number of requests or connections aborted by the client since the worker process started" },
[ST_F_SRV_ABRT] = { .name = "srv_abrt", .desc = "Total number of requests or connections aborted by the server since the worker process started" },
[ST_F_COMP_IN] = { .name = "comp_in", .desc = "Total number of bytes submitted to the HTTP compressor for this object since the worker process started" },
[ST_F_COMP_OUT] = { .name = "comp_out", .desc = "Total number of bytes emitted by the HTTP compressor for this object since the worker process started" },
[ST_F_COMP_BYP] = { .name = "comp_byp", .desc = "Total number of bytes that bypassed HTTP compression for this object since the worker process started (CPU/memory/bandwidth limitation)" },
[ST_F_COMP_RSP] = { .name = "comp_rsp", .desc = "Total number of HTTP responses that were compressed for this object since the worker process started" },
[ST_F_LASTSESS] = { .name = "lastsess", .desc = "How long ago some traffic was seen on this object on this worker process, in seconds" },
[ST_F_LAST_CHK] = { .name = "last_chk", .desc = "Short description of the latest health check report for this server (see also check_desc)" },
[ST_F_LAST_AGT] = { .name = "last_agt", .desc = "Short description of the latest agent check report for this server (see also agent_desc)" },
[ST_F_QTIME] = { .name = "qtime", .desc = "Time spent in the queue, in milliseconds, averaged over the 1024 last requests (backend/server)" },
[ST_F_CTIME] = { .name = "ctime", .desc = "Time spent waiting for a connection to complete, in milliseconds, averaged over the 1024 last requests (backend/server)" },
[ST_F_RTIME] = { .name = "rtime", .desc = "Time spent waiting for a server response, in milliseconds, averaged over the 1024 last requests (backend/server)" },
[ST_F_TTIME] = { .name = "ttime", .desc = "Total request+response time (request+queue+connect+response+processing), in milliseconds, averaged over the 1024 last requests (backend/server)" },
[ST_F_AGENT_STATUS] = { .name = "agent_status", .desc = "Status report of the server's latest agent check, prefixed with '*' if a check is currently in progress" },
[ST_F_AGENT_CODE] = { .name = "agent_code", .desc = "Status code reported by the latest server agent check" },
[ST_F_AGENT_DURATION] = { .name = "agent_duration", .desc = "Total duration of the latest server agent check, in milliseconds" },
[ST_F_CHECK_DESC] = { .name = "check_desc", .desc = "Textual description of the latest health check report for this server" },
[ST_F_AGENT_DESC] = { .name = "agent_desc", .desc = "Textual description of the latest agent check report for this server" },
[ST_F_CHECK_RISE] = { .name = "check_rise", .desc = "Number of successful health checks before declaring a server UP (server 'rise' setting)" },
[ST_F_CHECK_FALL] = { .name = "check_fall", .desc = "Number of failed health checks before declaring a server DOWN (server 'fall' setting)" },
[ST_F_CHECK_HEALTH] = { .name = "check_health", .desc = "Current server health check level (0..fall-1=DOWN, fall..rise-1=UP)" },
[ST_F_AGENT_RISE] = { .name = "agent_rise", .desc = "Number of successful agent checks before declaring a server UP (server 'rise' setting)" },
[ST_F_AGENT_FALL] = { .name = "agent_fall", .desc = "Number of failed agent checks before declaring a server DOWN (server 'fall' setting)" },
[ST_F_AGENT_HEALTH] = { .name = "agent_health", .desc = "Current server agent check level (0..fall-1=DOWN, fall..rise-1=UP)" },
[ST_F_ADDR] = { .name = "addr", .desc = "Server's address:port, shown only if show-legends is set, or at levels oper/admin for the CLI" },
[ST_F_COOKIE] = { .name = "cookie", .desc = "Backend's cookie name or Server's cookie value, shown only if show-legends is set, or at levels oper/admin for the CLI" },
[ST_F_MODE] = { .name = "mode", .desc = "'mode' setting (tcp/http/health/cli)" },
[ST_F_ALGO] = { .name = "algo", .desc = "Backend's load balancing algorithm, shown only if show-legends is set, or at levels oper/admin for the CLI" },
[ST_F_CONN_RATE] = { .name = "conn_rate", .desc = "Number of new connections accepted over the last second on the frontend for this worker process" },
[ST_F_CONN_RATE_MAX] = { .name = "conn_rate_max", .desc = "Highest value of connections per second observed since the worker process started" },
[ST_F_CONN_TOT] = { .name = "conn_tot", .desc = "Total number of new connections accepted on this frontend since the worker process started" },
[ST_F_INTERCEPTED] = { .name = "intercepted", .desc = "Total number of HTTP requests intercepted on the frontend (redirects/stats/services) since the worker process started" },
[ST_F_DCON] = { .name = "dcon", .desc = "Total number of incoming connections blocked on a listener/frontend by a tcp-request connection rule since the worker process started" },
[ST_F_DSES] = { .name = "dses", .desc = "Total number of incoming sessions blocked on a listener/frontend by a tcp-request connection rule since the worker process started" },
[ST_F_WREW] = { .name = "wrew", .desc = "Total number of failed HTTP header rewrites since the worker process started" },
[ST_F_CONNECT] = { .name = "connect", .desc = "Total number of outgoing connection attempts on this backend/server since the worker process started" },
[ST_F_REUSE] = { .name = "reuse", .desc = "Total number of reused connection on this backend/server since the worker process started" },
[ST_F_CACHE_LOOKUPS] = { .name = "cache_lookups", .desc = "Total number of HTTP requests looked up in the cache on this frontend/backend since the worker process started" },
[ST_F_CACHE_HITS] = { .name = "cache_hits", .desc = "Total number of HTTP requests not found in the cache on this frontend/backend since the worker process started" },
[ST_F_SRV_ICUR] = { .name = "srv_icur", .desc = "Current number of idle connections available for reuse on this server" },
[ST_F_SRV_ILIM] = { .name = "src_ilim", .desc = "Limit on the number of available idle connections on this server (server 'pool_max_conn' directive)" },
[ST_F_QT_MAX] = { .name = "qtime_max", .desc = "Maximum observed time spent in the queue, in milliseconds (backend/server)" },
[ST_F_CT_MAX] = { .name = "ctime_max", .desc = "Maximum observed time spent waiting for a connection to complete, in milliseconds (backend/server)" },
[ST_F_RT_MAX] = { .name = "rtime_max", .desc = "Maximum observed time spent waiting for a server response, in milliseconds (backend/server)" },
[ST_F_TT_MAX] = { .name = "ttime_max", .desc = "Maximum observed total request+response time (request+queue+connect+response+processing), in milliseconds (backend/server)" },
[ST_F_EINT] = { .name = "eint", .desc = "Total number of internal errors since process started"},
[ST_F_IDLE_CONN_CUR] = { .name = "idle_conn_cur", .desc = "Current number of unsafe idle connections"},
[ST_F_SAFE_CONN_CUR] = { .name = "safe_conn_cur", .desc = "Current number of safe idle connections"},
[ST_F_USED_CONN_CUR] = { .name = "used_conn_cur", .desc = "Current number of connections in use"},
[ST_F_NEED_CONN_EST] = { .name = "need_conn_est", .desc = "Estimated needed number of connections"},
[ST_F_UWEIGHT] = { .name = "uweight", .desc = "Server's user weight, or sum of active servers' user weights for a backend" },
};
/* one line of info */
THREAD_LOCAL struct field info[INF_TOTAL_FIELDS];
/* description of statistics (static and dynamic) */
static struct name_desc *stat_f[STATS_DOMAIN_COUNT];
static size_t stat_count[STATS_DOMAIN_COUNT];
/* one line for stats */
THREAD_LOCAL struct field *stat_l[STATS_DOMAIN_COUNT];
/* list of all registered stats module */
static struct list stats_module_list[STATS_DOMAIN_COUNT] = {
LIST_HEAD_INIT(stats_module_list[STATS_DOMAIN_PROXY]),
LIST_HEAD_INIT(stats_module_list[STATS_DOMAIN_DNS]),
};
THREAD_LOCAL void *trash_counters;
static inline uint8_t stats_get_domain(uint32_t domain)
{
return domain >> STATS_DOMAIN & STATS_DOMAIN_MASK;
}
static inline enum stats_domain_px_cap stats_px_get_cap(uint32_t domain)
{
return domain >> STATS_PX_CAP & STATS_PX_CAP_MASK;
}
static void stats_dump_json_schema(struct buffer *out);
int stats_putchk(struct channel *chn, struct htx *htx, struct buffer *chk)
{
if (htx) {
if (chk->data >= channel_htx_recv_max(chn, htx))
return 0;
if (!htx_add_data_atonce(htx, ist2(chk->area, chk->data)))
return 0;
channel_add_input(chn, chk->data);
chk->data = 0;
}
else {
if (ci_putchk(chn, chk) == -1)
return 0;
}
return 1;
}
static const char *stats_scope_ptr(struct appctx *appctx, struct stream_interface *si)
{
struct channel *req = si_oc(si);
struct htx *htx = htxbuf(&req->buf);
struct htx_blk *blk;
struct ist uri;
blk = htx_get_head_blk(htx);
BUG_ON(!blk || htx_get_blk_type(blk) != HTX_BLK_REQ_SL);
ALREADY_CHECKED(blk);
uri = htx_sl_req_uri(htx_get_blk_ptr(htx, blk));
return uri.ptr + appctx->ctx.stats.scope_str;
}
/*
* http_stats_io_handler()
* -> stats_dump_stat_to_buffer() // same as above, but used for CSV or HTML
* -> stats_dump_csv_header() // emits the CSV headers (same as above)
* -> stats_dump_json_header() // emits the JSON headers (same as above)
* -> stats_dump_html_head() // emits the HTML headers
* -> stats_dump_html_info() // emits the equivalent of "show info" at the top
* -> stats_dump_proxy_to_buffer() // same as above, valid for CSV and HTML
* -> stats_dump_html_px_hdr()
* -> stats_dump_fe_stats()
* -> stats_dump_li_stats()
* -> stats_dump_sv_stats()
* -> stats_dump_be_stats()
* -> stats_dump_html_px_end()
* -> stats_dump_html_end() // emits HTML trailer
* -> stats_dump_json_end() // emits JSON trailer
*/
/* Dumps the stats CSV header to the trash buffer which. The caller is responsible
* for clearing it if needed.
* NOTE: Some tools happen to rely on the field position instead of its name,
* so please only append new fields at the end, never in the middle.
*/
static void stats_dump_csv_header(enum stats_domain domain)
{
int field;
chunk_appendf(&trash, "# ");
if (stat_f[domain]) {
for (field = 0; field < stat_count[domain]; ++field) {
chunk_appendf(&trash, "%s,", stat_f[domain][field].name);
/* print special delimiter on proxy stats to mark end of
static fields */
if (domain == STATS_DOMAIN_PROXY && field + 1 == ST_F_TOTAL_FIELDS)
chunk_appendf(&trash, "-,");
}
}
chunk_appendf(&trash, "\n");
}
/* Emits a stats field without any surrounding element and properly encoded to
* resist CSV output. Returns non-zero on success, 0 if the buffer is full.
*/
int stats_emit_raw_data_field(struct buffer *out, const struct field *f)
{
switch (field_format(f, 0)) {
case FF_EMPTY: return 1;
case FF_S32: return chunk_appendf(out, "%d", f->u.s32);
case FF_U32: return chunk_appendf(out, "%u", f->u.u32);
case FF_S64: return chunk_appendf(out, "%lld", (long long)f->u.s64);
case FF_U64: return chunk_appendf(out, "%llu", (unsigned long long)f->u.u64);
case FF_FLT: {
size_t prev_data = out->data;
out->data = flt_trim(out->area, prev_data, chunk_appendf(out, "%f", f->u.flt));
return out->data;
}
case FF_STR: return csv_enc_append(field_str(f, 0), 1, out) != NULL;
default: return chunk_appendf(out, "[INCORRECT_FIELD_TYPE_%08x]", f->type);
}
}
const char *field_to_html_str(const struct field *f)
{
switch (field_format(f, 0)) {
case FF_S32: return U2H(f->u.s32);
case FF_S64: return U2H(f->u.s64);
case FF_U64: return U2H(f->u.u64);
case FF_U32: return U2H(f->u.u32);
case FF_FLT: return F2H(f->u.flt);
case FF_STR: return field_str(f, 0);
case FF_EMPTY:
default:
return "";
}
}
/* Emits a stats field prefixed with its type. No CSV encoding is prepared, the
* output is supposed to be used on its own line. Returns non-zero on success, 0
* if the buffer is full.
*/
int stats_emit_typed_data_field(struct buffer *out, const struct field *f)
{
switch (field_format(f, 0)) {
case FF_EMPTY: return 1;
case FF_S32: return chunk_appendf(out, "s32:%d", f->u.s32);
case FF_U32: return chunk_appendf(out, "u32:%u", f->u.u32);
case FF_S64: return chunk_appendf(out, "s64:%lld", (long long)f->u.s64);
case FF_U64: return chunk_appendf(out, "u64:%llu", (unsigned long long)f->u.u64);
case FF_FLT: {
size_t prev_data = out->data;
out->data = flt_trim(out->area, prev_data, chunk_appendf(out, "flt:%f", f->u.flt));
return out->data;
}
case FF_STR: return chunk_appendf(out, "str:%s", field_str(f, 0));
default: return chunk_appendf(out, "%08x:?", f->type);
}
}
/* Limit JSON integer values to the range [-(2**53)+1, (2**53)-1] as per
* the recommendation for interoperable integers in section 6 of RFC 7159.
*/
#define JSON_INT_MAX ((1ULL << 53) - 1)
#define JSON_INT_MIN (0 - JSON_INT_MAX)
/* Emits a stats field value and its type in JSON.
* Returns non-zero on success, 0 on error.
*/
int stats_emit_json_data_field(struct buffer *out, const struct field *f)
{
int old_len;
char buf[20];
const char *type, *value = buf, *quote = "";
switch (field_format(f, 0)) {
case FF_EMPTY: return 1;
case FF_S32: type = "\"s32\"";
snprintf(buf, sizeof(buf), "%d", f->u.s32);
break;
case FF_U32: type = "\"u32\"";
snprintf(buf, sizeof(buf), "%u", f->u.u32);
break;
case FF_S64: type = "\"s64\"";
if (f->u.s64 < JSON_INT_MIN || f->u.s64 > JSON_INT_MAX)
return 0;
type = "\"s64\"";
snprintf(buf, sizeof(buf), "%lld", (long long)f->u.s64);
break;
case FF_U64: if (f->u.u64 > JSON_INT_MAX)
return 0;
type = "\"u64\"";
snprintf(buf, sizeof(buf), "%llu",
(unsigned long long) f->u.u64);
break;
case FF_FLT: type = "\"flt\"";
flt_trim(buf, 0, snprintf(buf, sizeof(buf), "%f", f->u.flt));
break;
case FF_STR: type = "\"str\"";
value = field_str(f, 0);
quote = "\"";
break;
default: snprintf(buf, sizeof(buf), "%u", f->type);
type = buf;
value = "unknown";
quote = "\"";
break;
}
old_len = out->data;
chunk_appendf(out, ",\"value\":{\"type\":%s,\"value\":%s%s%s}",
type, quote, value, quote);
return !(old_len == out->data);
}
/* Emits an encoding of the field type on 3 characters followed by a delimiter.
* Returns non-zero on success, 0 if the buffer is full.
*/
int stats_emit_field_tags(struct buffer *out, const struct field *f,
char delim)
{
char origin, nature, scope;
switch (field_origin(f, 0)) {
case FO_METRIC: origin = 'M'; break;
case FO_STATUS: origin = 'S'; break;
case FO_KEY: origin = 'K'; break;
case FO_CONFIG: origin = 'C'; break;
case FO_PRODUCT: origin = 'P'; break;
default: origin = '?'; break;
}
switch (field_nature(f, 0)) {
case FN_GAUGE: nature = 'G'; break;
case FN_LIMIT: nature = 'L'; break;
case FN_MIN: nature = 'm'; break;
case FN_MAX: nature = 'M'; break;
case FN_RATE: nature = 'R'; break;
case FN_COUNTER: nature = 'C'; break;
case FN_DURATION: nature = 'D'; break;
case FN_AGE: nature = 'A'; break;
case FN_TIME: nature = 'T'; break;
case FN_NAME: nature = 'N'; break;
case FN_OUTPUT: nature = 'O'; break;
case FN_AVG: nature = 'a'; break;
default: nature = '?'; break;
}
switch (field_scope(f, 0)) {
case FS_PROCESS: scope = 'P'; break;
case FS_SERVICE: scope = 'S'; break;
case FS_SYSTEM: scope = 's'; break;
case FS_CLUSTER: scope = 'C'; break;
default: scope = '?'; break;
}
return chunk_appendf(out, "%c%c%c%c", origin, nature, scope, delim);
}
/* Emits an encoding of the field type as JSON.
* Returns non-zero on success, 0 if the buffer is full.
*/
int stats_emit_json_field_tags(struct buffer *out, const struct field *f)
{
const char *origin, *nature, *scope;
int old_len;
switch (field_origin(f, 0)) {
case FO_METRIC: origin = "Metric"; break;
case FO_STATUS: origin = "Status"; break;
case FO_KEY: origin = "Key"; break;
case FO_CONFIG: origin = "Config"; break;
case FO_PRODUCT: origin = "Product"; break;
default: origin = "Unknown"; break;
}
switch (field_nature(f, 0)) {
case FN_GAUGE: nature = "Gauge"; break;
case FN_LIMIT: nature = "Limit"; break;
case FN_MIN: nature = "Min"; break;
case FN_MAX: nature = "Max"; break;
case FN_RATE: nature = "Rate"; break;
case FN_COUNTER: nature = "Counter"; break;
case FN_DURATION: nature = "Duration"; break;
case FN_AGE: nature = "Age"; break;
case FN_TIME: nature = "Time"; break;
case FN_NAME: nature = "Name"; break;
case FN_OUTPUT: nature = "Output"; break;
case FN_AVG: nature = "Avg"; break;
default: nature = "Unknown"; break;
}
switch (field_scope(f, 0)) {
case FS_PROCESS: scope = "Process"; break;
case FS_SERVICE: scope = "Service"; break;
case FS_SYSTEM: scope = "System"; break;
case FS_CLUSTER: scope = "Cluster"; break;
default: scope = "Unknown"; break;
}
old_len = out->data;
chunk_appendf(out, "\"tags\":{"
"\"origin\":\"%s\","
"\"nature\":\"%s\","
"\"scope\":\"%s\""
"}", origin, nature, scope);
return !(old_len == out->data);
}
/* Dump all fields from <stats> into <out> using CSV format */
static int stats_dump_fields_csv(struct buffer *out,
const struct field *stats, size_t stats_count,
unsigned int flags,
enum stats_domain domain)
{
int field;
for (field = 0; field < stats_count; ++field) {
if (!stats_emit_raw_data_field(out, &stats[field]))
return 0;
if (!chunk_strcat(out, ","))
return 0;
/* print special delimiter on proxy stats to mark end of
static fields */
if (domain == STATS_DOMAIN_PROXY && field + 1 == ST_F_TOTAL_FIELDS) {
if (!chunk_strcat(out, "-,"))
return 0;
}
}
chunk_strcat(out, "\n");
return 1;
}
/* Dump all fields from <stats> into <out> using a typed "field:desc:type:value" format */
static int stats_dump_fields_typed(struct buffer *out,
const struct field *stats,
size_t stats_count,
unsigned int flags,
enum stats_domain domain)
{
int field;
for (field = 0; field < stats_count; ++field) {
if (!stats[field].type)
continue;
switch (domain) {
case STATS_DOMAIN_PROXY:
chunk_appendf(out, "%c.%u.%u.%d.%s.%u:",
stats[ST_F_TYPE].u.u32 == STATS_TYPE_FE ? 'F' :
stats[ST_F_TYPE].u.u32 == STATS_TYPE_BE ? 'B' :
stats[ST_F_TYPE].u.u32 == STATS_TYPE_SO ? 'L' :
stats[ST_F_TYPE].u.u32 == STATS_TYPE_SV ? 'S' :
'?',
stats[ST_F_IID].u.u32, stats[ST_F_SID].u.u32,
field,
stat_f[domain][field].name,
stats[ST_F_PID].u.u32);
break;
case STATS_DOMAIN_DNS:
chunk_appendf(out, "D.%d.%s:", field,
stat_f[domain][field].name);
break;
default:
break;
}
if (!stats_emit_field_tags(out, &stats[field], ':'))
return 0;
if (!stats_emit_typed_data_field(out, &stats[field]))
return 0;
if (flags & STAT_SHOW_FDESC &&
!chunk_appendf(out, ":\"%s\"", stat_f[domain][field].desc)) {
return 0;
}
if (!chunk_strcat(out, "\n"))
return 0;
}
return 1;
}
/* Dump all fields from <stats> into <out> using the "show info json" format */
static int stats_dump_json_info_fields(struct buffer *out,
const struct field *info, unsigned int flags)
{
int field;
int started = 0;
if (!chunk_strcat(out, "["))
return 0;
for (field = 0; field < INF_TOTAL_FIELDS; field++) {
int old_len;
if (!field_format(info, field))
continue;
if (started && !chunk_strcat(out, ","))
goto err;
started = 1;
old_len = out->data;
chunk_appendf(out,
"{\"field\":{\"pos\":%d,\"name\":\"%s\"},"
"\"processNum\":%u,",
field, info_fields[field].name,
info[INF_PROCESS_NUM].u.u32);
if (old_len == out->data)
goto err;
if (!stats_emit_json_field_tags(out, &info[field]))
goto err;
if (!stats_emit_json_data_field(out, &info[field]))
goto err;
if (!chunk_strcat(out, "}"))
goto err;
}
if (!chunk_strcat(out, "]"))
goto err;
return 1;
err:
chunk_reset(out);
chunk_appendf(out, "{\"errorStr\":\"output buffer too short\"}");
return 0;
}
static void stats_print_proxy_field_json(struct buffer *out,
const struct field *stat,
const char *name,
int pos,
uint32_t field_type,
uint32_t iid,
uint32_t sid,
uint32_t pid)
{
const char *obj_type;
switch (field_type) {
case STATS_TYPE_FE: obj_type = "Frontend"; break;
case STATS_TYPE_BE: obj_type = "Backend"; break;
case STATS_TYPE_SO: obj_type = "Listener"; break;
case STATS_TYPE_SV: obj_type = "Server"; break;
default: obj_type = "Unknown"; break;
}
chunk_appendf(out,
"{"
"\"objType\":\"%s\","
"\"proxyId\":%u,"
"\"id\":%u,"
"\"field\":{\"pos\":%d,\"name\":\"%s\"},"
"\"processNum\":%u,",
obj_type, iid, sid, pos, name, pid);
}
static void stats_print_dns_field_json(struct buffer *out,
const struct field *stat,
const char *name,
int pos)
{
chunk_appendf(out,
"{"
"\"field\":{\"pos\":%d,\"name\":\"%s\"},",
pos, name);
}
/* Dump all fields from <stats> into <out> using a typed "field:desc:type:value" format */
static int stats_dump_fields_json(struct buffer *out,
const struct field *stats, size_t stats_count,
unsigned int flags,
enum stats_domain domain)
{
int field;
int started = 0;
if ((flags & STAT_STARTED) && !chunk_strcat(out, ","))
return 0;
if (!chunk_strcat(out, "["))
return 0;
for (field = 0; field < stats_count; field++) {
int old_len;
if (!stats[field].type)
continue;
if (started && !chunk_strcat(out, ","))
goto err;
started = 1;
old_len = out->data;
if (domain == STATS_DOMAIN_PROXY) {
stats_print_proxy_field_json(out, &stats[field],
stat_f[domain][field].name,
field,
stats[ST_F_TYPE].u.u32,
stats[ST_F_IID].u.u32,
stats[ST_F_SID].u.u32,
stats[ST_F_PID].u.u32);
} else if (domain == STATS_DOMAIN_DNS) {
stats_print_dns_field_json(out, &stats[field],
stat_f[domain][field].name,
field);
}
if (old_len == out->data)
goto err;
if (!stats_emit_json_field_tags(out, &stats[field]))
goto err;
if (!stats_emit_json_data_field(out, &stats[field]))
goto err;
if (!chunk_strcat(out, "}"))
goto err;
}
if (!chunk_strcat(out, "]"))
goto err;
return 1;
err:
chunk_reset(out);
if (flags & STAT_STARTED)
chunk_strcat(out, ",");
chunk_appendf(out, "{\"errorStr\":\"output buffer too short\"}");
return 0;
}
/* Dump all fields from <stats> into <out> using the HTML format. A column is
* reserved for the checkbox is STAT_ADMIN is set in <flags>. Some extra info
* are provided if STAT_SHLGNDS is present in <flags>. The statistics from
* extra modules are displayed at the end of the lines if STAT_SHMODULES is
* present in <flags>.
*/
static int stats_dump_fields_html(struct buffer *out,
const struct field *stats,
unsigned int flags)
{
struct buffer src;
struct stats_module *mod;
int i = 0, j = 0;
if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_FE) {
chunk_appendf(out,
/* name, queue */
"<tr class=\"frontend\">");
if (flags & STAT_ADMIN) {
/* Column sub-heading for Enable or Disable server */
chunk_appendf(out, "<td></td>");
}
chunk_appendf(out,
"<td class=ac>"
"<a name=\"%s/Frontend\"></a>"
"<a class=lfsb href=\"#%s/Frontend\">Frontend</a></td>"
"<td colspan=3></td>"
"",
field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME));
chunk_appendf(out,
/* sessions rate : current */
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Current connection rate:</th><td>%s/s</td></tr>"
"<tr><th>Current session rate:</th><td>%s/s</td></tr>"
"",
U2H(stats[ST_F_RATE].u.u32),
U2H(stats[ST_F_CONN_RATE].u.u32),
U2H(stats[ST_F_RATE].u.u32));
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
chunk_appendf(out,
"<tr><th>Current request rate:</th><td>%s/s</td></tr>",
U2H(stats[ST_F_REQ_RATE].u.u32));
chunk_appendf(out,
"</table></div></u></td>"
/* sessions rate : max */
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Max connection rate:</th><td>%s/s</td></tr>"
"<tr><th>Max session rate:</th><td>%s/s</td></tr>"
"",
U2H(stats[ST_F_RATE_MAX].u.u32),
U2H(stats[ST_F_CONN_RATE_MAX].u.u32),
U2H(stats[ST_F_RATE_MAX].u.u32));
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
chunk_appendf(out,
"<tr><th>Max request rate:</th><td>%s/s</td></tr>",
U2H(stats[ST_F_REQ_RATE_MAX].u.u32));
chunk_appendf(out,
"</table></div></u></td>"
/* sessions rate : limit */
"<td>%s</td>",
LIM2A(stats[ST_F_RATE_LIM].u.u32, "-"));
chunk_appendf(out,
/* sessions: current, max, limit, total */
"<td>%s</td><td>%s</td><td>%s</td>"
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Cum. connections:</th><td>%s</td></tr>"
"<tr><th>Cum. sessions:</th><td>%s</td></tr>"
"",
U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
U2H(stats[ST_F_STOT].u.u64),
U2H(stats[ST_F_CONN_TOT].u.u64),
U2H(stats[ST_F_STOT].u.u64));
/* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
chunk_appendf(out,
"<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
"<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
"<tr><th>&nbsp;&nbsp;Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
"<tr><th>- other responses:</th><td>%s</td></tr>"
"<tr><th>Intercepted requests:</th><td>%s</td></tr>"
"<tr><th>Cache lookups:</th><td>%s</td></tr>"
"<tr><th>Cache hits:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
"<tr><th>Internal errors:</th><td>%s</td></tr>"
"",
U2H(stats[ST_F_REQ_TOT].u.u64),
U2H(stats[ST_F_HRSP_1XX].u.u64),
U2H(stats[ST_F_HRSP_2XX].u.u64),
U2H(stats[ST_F_COMP_RSP].u.u64),
stats[ST_F_HRSP_2XX].u.u64 ?
(int)(100 * stats[ST_F_COMP_RSP].u.u64 / stats[ST_F_HRSP_2XX].u.u64) : 0,
U2H(stats[ST_F_HRSP_3XX].u.u64),
U2H(stats[ST_F_HRSP_4XX].u.u64),
U2H(stats[ST_F_HRSP_5XX].u.u64),
U2H(stats[ST_F_HRSP_OTHER].u.u64),
U2H(stats[ST_F_INTERCEPTED].u.u64),
U2H(stats[ST_F_CACHE_LOOKUPS].u.u64),
U2H(stats[ST_F_CACHE_HITS].u.u64),
stats[ST_F_CACHE_LOOKUPS].u.u64 ?
(int)(100 * stats[ST_F_CACHE_HITS].u.u64 / stats[ST_F_CACHE_LOOKUPS].u.u64) : 0,
U2H(stats[ST_F_WREW].u.u64),
U2H(stats[ST_F_EINT].u.u64));
}
chunk_appendf(out,
"</table></div></u></td>"
/* sessions: lbtot, lastsess */
"<td></td><td></td>"
/* bytes : in */
"<td>%s</td>"
"",
U2H(stats[ST_F_BIN].u.u64));
chunk_appendf(out,
/* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
"<td>%s%s<div class=tips><table class=det>"
"<tr><th>Response bytes in:</th><td>%s</td></tr>"
"<tr><th>Compression in:</th><td>%s</td></tr>"
"<tr><th>Compression out:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>Compression bypass:</th><td>%s</td></tr>"
"<tr><th>Total bytes saved:</th><td>%s</td><td>(%d%%)</td></tr>"
"</table></div>%s</td>",
(stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "<u>":"",
U2H(stats[ST_F_BOUT].u.u64),
U2H(stats[ST_F_BOUT].u.u64),
U2H(stats[ST_F_COMP_IN].u.u64),
U2H(stats[ST_F_COMP_OUT].u.u64),
stats[ST_F_COMP_IN].u.u64 ? (int)(stats[ST_F_COMP_OUT].u.u64 * 100 / stats[ST_F_COMP_IN].u.u64) : 0,
U2H(stats[ST_F_COMP_BYP].u.u64),
U2H(stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64),
stats[ST_F_BOUT].u.u64 ? (int)((stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64) * 100 / stats[ST_F_BOUT].u.u64) : 0,
(stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "</u>":"");
chunk_appendf(out,
/* 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>"
"",
U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
U2H(stats[ST_F_EREQ].u.u64),
field_str(stats, ST_F_STATUS));
if (flags & STAT_SHMODULES) {
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
chunk_appendf(out, "<td>");
if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_FE) {
chunk_appendf(out,
"<u>%s<div class=tips><table class=det>",
mod->name);
for (j = 0; j < mod->stats_count; ++j) {
chunk_appendf(out,
"<tr><th>%s</th><td>%s</td></tr>",
mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
++i;
}
chunk_appendf(out, "</table></div></u>");
} else {
i += mod->stats_count;
}
chunk_appendf(out, "</td>");
}
}
chunk_appendf(out, "</tr>");
}
else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_SO) {
chunk_appendf(out, "<tr class=socket>");
if (flags & STAT_ADMIN) {
/* Column sub-heading for Enable or Disable server */
chunk_appendf(out, "<td></td>");
}
chunk_appendf(out,
/* frontend name, listener name */
"<td class=ac><a name=\"%s/+%s\"></a>%s"
"<a class=lfsb href=\"#%s/+%s\">%s</a>"
"",
field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME),
(flags & STAT_SHLGNDS)?"<u>":"",
field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), field_str(stats, ST_F_SVNAME));
if (flags & STAT_SHLGNDS) {
chunk_appendf(out, "<div class=tips>");
if (isdigit((unsigned char)*field_str(stats, ST_F_ADDR)))
chunk_appendf(out, "IPv4: %s, ", field_str(stats, ST_F_ADDR));
else if (*field_str(stats, ST_F_ADDR) == '[')
chunk_appendf(out, "IPv6: %s, ", field_str(stats, ST_F_ADDR));
else if (*field_str(stats, ST_F_ADDR))
chunk_appendf(out, "%s, ", field_str(stats, ST_F_ADDR));
/* id */
chunk_appendf(out, "id: %d</div>", stats[ST_F_SID].u.u32);
}
chunk_appendf(out,
/* queue */
"%s</td><td colspan=3></td>"
/* sessions rate: current, max, limit */
"<td colspan=3>&nbsp;</td>"
/* sessions: current, max, limit, total, lbtot, lastsess */
"<td>%s</td><td>%s</td><td>%s</td>"
"<td>%s</td><td>&nbsp;</td><td>&nbsp;</td>"
/* bytes: in, out */
"<td>%s</td><td>%s</td>"
"",
(flags & STAT_SHLGNDS)?"</u>":"",
U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
U2H(stats[ST_F_STOT].u.u64), U2H(stats[ST_F_BIN].u.u64), U2H(stats[ST_F_BOUT].u.u64));
chunk_appendf(out,
/* 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>"
"",
U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
U2H(stats[ST_F_EREQ].u.u64),
field_str(stats, ST_F_STATUS));
if (flags & STAT_SHMODULES) {
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
chunk_appendf(out, "<td>");
if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_LI) {
chunk_appendf(out,
"<u>%s<div class=tips><table class=det>",
mod->name);
for (j = 0; j < mod->stats_count; ++j) {
chunk_appendf(out,
"<tr><th>%s</th><td>%s</td></tr>",
mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
++i;
}
chunk_appendf(out, "</table></div></u>");
} else {
i += mod->stats_count;
}
chunk_appendf(out, "</td>");
}
}
chunk_appendf(out, "</tr>");
}
else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_SV) {
const char *style;
/* determine the style to use depending on the server's state,
* its health and weight. There isn't a 1-to-1 mapping between
* state and styles for the cases where the server is (still)
* up. The reason is that we don't want to report nolb and
* drain with the same color.
*/
if (strcmp(field_str(stats, ST_F_STATUS), "DOWN") == 0 ||
strcmp(field_str(stats, ST_F_STATUS), "DOWN (agent)") == 0) {
style = "down";
}
else if (strncmp(field_str(stats, ST_F_STATUS), "DOWN ", strlen("DOWN ")) == 0) {
style = "going_up";
}
else if (strcmp(field_str(stats, ST_F_STATUS), "DRAIN") == 0) {
style = "draining";
}
else if (strncmp(field_str(stats, ST_F_STATUS), "NOLB ", strlen("NOLB ")) == 0) {
style = "going_down";
}
else if (strcmp(field_str(stats, ST_F_STATUS), "NOLB") == 0) {
style = "nolb";
}
else if (strcmp(field_str(stats, ST_F_STATUS), "no check") == 0) {
style = "no_check";
}
else if (!stats[ST_F_CHKFAIL].type ||
stats[ST_F_CHECK_HEALTH].u.u32 == stats[ST_F_CHECK_RISE].u.u32 + stats[ST_F_CHECK_FALL].u.u32 - 1) {
/* no check or max health = UP */
if (stats[ST_F_WEIGHT].u.u32)
style = "up";
else
style = "draining";
}
else {
style = "going_down";
}
if (strncmp(field_str(stats, ST_F_STATUS), "MAINT", 5) == 0)
chunk_appendf(out, "<tr class=\"maintain\">");
else
chunk_appendf(out,
"<tr class=\"%s_%s\">",
(stats[ST_F_BCK].u.u32) ? "backup" : "active", style);
if (flags & STAT_ADMIN)
chunk_appendf(out,
"<td><input class='%s-checkbox' type=\"checkbox\" name=\"s\" value=\"%s\"></td>",
field_str(stats, ST_F_PXNAME),
field_str(stats, ST_F_SVNAME));
chunk_appendf(out,
"<td class=ac><a name=\"%s/%s\"></a>%s"
"<a class=lfsb href=\"#%s/%s\">%s</a>"
"",
field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME),
(flags & STAT_SHLGNDS) ? "<u>" : "",
field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_SVNAME), field_str(stats, ST_F_SVNAME));
if (flags & STAT_SHLGNDS) {
chunk_appendf(out, "<div class=tips>");
if (isdigit((unsigned char)*field_str(stats, ST_F_ADDR)))
chunk_appendf(out, "IPv4: %s, ", field_str(stats, ST_F_ADDR));
else if (*field_str(stats, ST_F_ADDR) == '[')
chunk_appendf(out, "IPv6: %s, ", field_str(stats, ST_F_ADDR));
else if (*field_str(stats, ST_F_ADDR))
chunk_appendf(out, "%s, ", field_str(stats, ST_F_ADDR));
/* id */
chunk_appendf(out, "id: %d", stats[ST_F_SID].u.u32);
/* cookie */
if (stats[ST_F_COOKIE].type) {
chunk_appendf(out, ", cookie: '");
chunk_initstr(&src, field_str(stats, ST_F_COOKIE));
chunk_htmlencode(out, &src);
chunk_appendf(out, "'");
}
chunk_appendf(out, "</div>");
}
chunk_appendf(out,
/* queue : current, max, limit */
"%s</td><td>%s</td><td>%s</td><td>%s</td>"
/* sessions rate : current, max, limit */
"<td>%s</td><td>%s</td><td></td>"
"",
(flags & STAT_SHLGNDS) ? "</u>" : "",
U2H(stats[ST_F_QCUR].u.u32), U2H(stats[ST_F_QMAX].u.u32), LIM2A(stats[ST_F_QLIMIT].u.u32, "-"),
U2H(stats[ST_F_RATE].u.u32), U2H(stats[ST_F_RATE_MAX].u.u32));
chunk_appendf(out,
/* sessions: current, max, limit, total */
"<td><u>%s<div class=tips>"
"<table class=det>"
"<tr><th>Current active connections:</th><td>%s</td></tr>"
"<tr><th>Current used connections:</th><td>%s</td></tr>"
"<tr><th>Current idle connections:</th><td>%s</td></tr>"
"<tr><th>- unsafe:</th><td>%s</td></tr>"
"<tr><th>- safe:</th><td>%s</td></tr>"
"<tr><th>Estimated need of connections:</th><td>%s</td></tr>"
"<tr><th>Active connections limit:</th><td>%s</td></tr>"
"<tr><th>Idle connections limit:</th><td>%s</td></tr>"
"</table></div></u>"
"</td><td>%s</td><td>%s</td>"
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Cum. sessions:</th><td>%s</td></tr>"
"",
U2H(stats[ST_F_SCUR].u.u32),
U2H(stats[ST_F_SCUR].u.u32),
U2H(stats[ST_F_USED_CONN_CUR].u.u32),
U2H(stats[ST_F_SRV_ICUR].u.u32),
U2H(stats[ST_F_IDLE_CONN_CUR].u.u32),
U2H(stats[ST_F_SAFE_CONN_CUR].u.u32),
U2H(stats[ST_F_NEED_CONN_EST].u.u32),
LIM2A(stats[ST_F_SLIM].u.u32, "-"),
stats[ST_F_SRV_ILIM].type ? U2H(stats[ST_F_SRV_ILIM].u.u32) : "-",
U2H(stats[ST_F_SMAX].u.u32), LIM2A(stats[ST_F_SLIM].u.u32, "-"),
U2H(stats[ST_F_STOT].u.u64),
U2H(stats[ST_F_STOT].u.u64));
/* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
chunk_appendf(out,
"<tr><th>New connections:</th><td>%s</td></tr>"
"<tr><th>Reused connections:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
"<tr><th>- HTTP 1xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 2xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 3xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 4xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 5xx responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- other responses:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
"<tr><th>Internal error:</th><td>%s</td></tr>"
"",
U2H(stats[ST_F_CONNECT].u.u64),
U2H(stats[ST_F_REUSE].u.u64),
(stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64) ?
(int)(100 * stats[ST_F_REUSE].u.u64 / (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64)) : 0,
U2H(stats[ST_F_REQ_TOT].u.u64),
U2H(stats[ST_F_HRSP_1XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
(int)(100 * stats[ST_F_HRSP_1XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
U2H(stats[ST_F_HRSP_2XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
(int)(100 * stats[ST_F_HRSP_2XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
U2H(stats[ST_F_HRSP_3XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
(int)(100 * stats[ST_F_HRSP_3XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
U2H(stats[ST_F_HRSP_4XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
(int)(100 * stats[ST_F_HRSP_4XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
U2H(stats[ST_F_HRSP_5XX].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
(int)(100 * stats[ST_F_HRSP_5XX].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
U2H(stats[ST_F_HRSP_OTHER].u.u64), stats[ST_F_REQ_TOT].u.u64 ?
(int)(100 * stats[ST_F_HRSP_OTHER].u.u64 / stats[ST_F_REQ_TOT].u.u64) : 0,
U2H(stats[ST_F_WREW].u.u64),
U2H(stats[ST_F_EINT].u.u64));
}
chunk_appendf(out, "<tr><th colspan=3>Max / Avg over last 1024 success. conn.</th></tr>");
chunk_appendf(out, "<tr><th>- Queue time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32));
chunk_appendf(out, "<tr><th>- Connect time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_CT_MAX].u.u32), U2H(stats[ST_F_CTIME].u.u32));
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
chunk_appendf(out, "<tr><th>- Responses time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32));
chunk_appendf(out, "<tr><th>- Total time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32));
chunk_appendf(out,
"</table></div></u></td>"
/* sessions: lbtot, last */
"<td>%s</td><td>%s</td>",
U2H(stats[ST_F_LBTOT].u.u64),
human_time(stats[ST_F_LASTSESS].u.s32, 1));
chunk_appendf(out,
/* bytes : in, out */
"<td>%s</td><td>%s</td>"
/* denied: req, resp */
"<td></td><td>%s</td>"
/* errors : request, connect */
"<td></td><td>%s</td>"
/* errors : response */
"<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
/* warnings: retries, redispatches */
"<td>%lld</td><td>%lld</td>"
"",
U2H(stats[ST_F_BIN].u.u64), U2H(stats[ST_F_BOUT].u.u64),
U2H(stats[ST_F_DRESP].u.u64),
U2H(stats[ST_F_ECON].u.u64),
U2H(stats[ST_F_ERESP].u.u64),
(long long)stats[ST_F_CLI_ABRT].u.u64,
(long long)stats[ST_F_SRV_ABRT].u.u64,
(long long)stats[ST_F_WRETR].u.u64,
(long long)stats[ST_F_WREDIS].u.u64);
/* status, last change */
chunk_appendf(out, "<td class=ac>");
/* FIXME!!!!
* LASTCHG should contain the last change for *this* server and must be computed
* properly above, as was done below, ie: this server if maint, otherwise ref server
* if tracking. Note that ref is either local or remote depending on tracking.
*/
if (strncmp(field_str(stats, ST_F_STATUS), "MAINT", 5) == 0) {
chunk_appendf(out, "%s MAINT", human_time(stats[ST_F_LASTCHG].u.u32, 1));
}
else if (strcmp(field_str(stats, ST_F_STATUS), "no check") == 0) {
chunk_strcat(out, "<i>no check</i>");
}
else {
chunk_appendf(out, "%s %s", human_time(stats[ST_F_LASTCHG].u.u32, 1), field_str(stats, ST_F_STATUS));
if (strncmp(field_str(stats, ST_F_STATUS), "DOWN", 4) == 0) {
if (stats[ST_F_CHECK_HEALTH].u.u32)
chunk_strcat(out, " &uarr;");
}
else if (stats[ST_F_CHECK_HEALTH].u.u32 < stats[ST_F_CHECK_RISE].u.u32 + stats[ST_F_CHECK_FALL].u.u32 - 1)
chunk_strcat(out, " &darr;");
}
if (strncmp(field_str(stats, ST_F_STATUS), "DOWN", 4) == 0 &&
stats[ST_F_AGENT_STATUS].type && !stats[ST_F_AGENT_HEALTH].u.u32) {
chunk_appendf(out,
"</td><td class=ac><u> %s",
field_str(stats, ST_F_AGENT_STATUS));
if (stats[ST_F_AGENT_CODE].type)
chunk_appendf(out, "/%d", stats[ST_F_AGENT_CODE].u.u32);
if (stats[ST_F_AGENT_DURATION].type)
chunk_appendf(out, " in %lums", (long)stats[ST_F_AGENT_DURATION].u.u64);
chunk_appendf(out, "<div class=tips>%s", field_str(stats, ST_F_AGENT_DESC));
if (*field_str(stats, ST_F_LAST_AGT)) {
chunk_appendf(out, ": ");
chunk_initstr(&src, field_str(stats, ST_F_LAST_AGT));
chunk_htmlencode(out, &src);
}
chunk_appendf(out, "</div></u>");
}
else if (stats[ST_F_CHECK_STATUS].type) {
chunk_appendf(out,
"</td><td class=ac><u> %s",
field_str(stats, ST_F_CHECK_STATUS));
if (stats[ST_F_CHECK_CODE].type)
chunk_appendf(out, "/%d", stats[ST_F_CHECK_CODE].u.u32);
if (stats[ST_F_CHECK_DURATION].type)
chunk_appendf(out, " in %lums", (long)stats[ST_F_CHECK_DURATION].u.u64);
chunk_appendf(out, "<div class=tips>%s", field_str(stats, ST_F_CHECK_DESC));
if (*field_str(stats, ST_F_LAST_CHK)) {
chunk_appendf(out, ": ");
chunk_initstr(&src, field_str(stats, ST_F_LAST_CHK));
chunk_htmlencode(out, &src);
}
chunk_appendf(out, "</div></u>");
}
else
chunk_appendf(out, "</td><td>");
chunk_appendf(out,
/* weight / uweight */
"</td><td class=ac>%d/%d</td>"
/* act, bck */
"<td class=ac>%s</td><td class=ac>%s</td>"
"",
stats[ST_F_WEIGHT].u.u32, stats[ST_F_UWEIGHT].u.u32,
stats[ST_F_BCK].u.u32 ? "-" : "Y",
stats[ST_F_BCK].u.u32 ? "Y" : "-");
/* check failures: unique, fatal, down time */
if (strcmp(field_str(stats, ST_F_STATUS), "MAINT (resolution)") == 0) {
chunk_appendf(out, "<td class=ac colspan=3>resolution</td>");
}
else if (stats[ST_F_CHKFAIL].type) {
chunk_appendf(out, "<td><u>%lld", (long long)stats[ST_F_CHKFAIL].u.u64);
if (stats[ST_F_HANAFAIL].type)
chunk_appendf(out, "/%lld", (long long)stats[ST_F_HANAFAIL].u.u64);
chunk_appendf(out,
"<div class=tips>Failed Health Checks%s</div></u></td>"
"<td>%lld</td><td>%s</td>"
"",
stats[ST_F_HANAFAIL].type ? "/Health Analyses" : "",
(long long)stats[ST_F_CHKDOWN].u.u64, human_time(stats[ST_F_DOWNTIME].u.u32, 1));
}
else if (strcmp(field_str(stats, ST_F_STATUS), "MAINT") != 0 && field_format(stats, ST_F_TRACKED) == FF_STR) {
/* tracking a server (hence inherited maint would appear as "MAINT (via...)" */
chunk_appendf(out,
"<td class=ac colspan=3><a class=lfsb href=\"#%s\">via %s</a></td>",
field_str(stats, ST_F_TRACKED), field_str(stats, ST_F_TRACKED));
}
else
chunk_appendf(out, "<td colspan=3></td>");
/* throttle */
if (stats[ST_F_THROTTLE].type)
chunk_appendf(out, "<td class=ac>%d %%</td>\n", stats[ST_F_THROTTLE].u.u32);
else
chunk_appendf(out, "<td class=ac>-</td>");
if (flags & STAT_SHMODULES) {
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
chunk_appendf(out, "<td>");
if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_SRV) {
chunk_appendf(out,
"<u>%s<div class=tips><table class=det>",
mod->name);
for (j = 0; j < mod->stats_count; ++j) {
chunk_appendf(out,
"<tr><th>%s</th><td>%s</td></tr>",
mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
++i;
}
chunk_appendf(out, "</table></div></u>");
} else {
i += mod->stats_count;
}
chunk_appendf(out, "</td>");
}
}
chunk_appendf(out, "</tr>\n");
}
else if (stats[ST_F_TYPE].u.u32 == STATS_TYPE_BE) {
chunk_appendf(out, "<tr class=\"backend\">");
if (flags & STAT_ADMIN) {
/* Column sub-heading for Enable or Disable server */
chunk_appendf(out, "<td></td>");
}
chunk_appendf(out,
"<td class=ac>"
/* name */
"%s<a name=\"%s/Backend\"></a>"
"<a class=lfsb href=\"#%s/Backend\">Backend</a>"
"",
(flags & STAT_SHLGNDS)?"<u>":"",
field_str(stats, ST_F_PXNAME), field_str(stats, ST_F_PXNAME));
if (flags & STAT_SHLGNDS) {
/* balancing */
chunk_appendf(out, "<div class=tips>balancing: %s",
field_str(stats, ST_F_ALGO));
/* cookie */
if (stats[ST_F_COOKIE].type) {
chunk_appendf(out, ", cookie: '");
chunk_initstr(&src, field_str(stats, ST_F_COOKIE));
chunk_htmlencode(out, &src);
chunk_appendf(out, "'");
}
chunk_appendf(out, "</div>");
}
chunk_appendf(out,
"%s</td>"
/* queue : current, max */
"<td>%s</td><td>%s</td><td></td>"
/* sessions rate : current, max, limit */
"<td>%s</td><td>%s</td><td></td>"
"",
(flags & STAT_SHLGNDS)?"</u>":"",
U2H(stats[ST_F_QCUR].u.u32), U2H(stats[ST_F_QMAX].u.u32),
U2H(stats[ST_F_RATE].u.u32), U2H(stats[ST_F_RATE_MAX].u.u32));
chunk_appendf(out,
/* sessions: current, max, limit, total */
"<td>%s</td><td>%s</td><td>%s</td>"
"<td><u>%s<div class=tips><table class=det>"
"<tr><th>Cum. sessions:</th><td>%s</td></tr>"
"",
U2H(stats[ST_F_SCUR].u.u32), U2H(stats[ST_F_SMAX].u.u32), U2H(stats[ST_F_SLIM].u.u32),
U2H(stats[ST_F_STOT].u.u64),
U2H(stats[ST_F_STOT].u.u64));
/* http response (via hover): 1xx, 2xx, 3xx, 4xx, 5xx, other */
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0) {
chunk_appendf(out,
"<tr><th>New connections:</th><td>%s</td></tr>"
"<tr><th>Reused connections:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>Cum. HTTP requests:</th><td>%s</td></tr>"
"<tr><th>- HTTP 1xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 2xx responses:</th><td>%s</td></tr>"
"<tr><th>&nbsp;&nbsp;Compressed 2xx:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>- HTTP 3xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 4xx responses:</th><td>%s</td></tr>"
"<tr><th>- HTTP 5xx responses:</th><td>%s</td></tr>"
"<tr><th>- other responses:</th><td>%s</td></tr>"
"<tr><th>Cache lookups:</th><td>%s</td></tr>"
"<tr><th>Cache hits:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>Failed hdr rewrites:</th><td>%s</td></tr>"
"<tr><th>Internal errors:</th><td>%s</td></tr>"
"",
U2H(stats[ST_F_CONNECT].u.u64),
U2H(stats[ST_F_REUSE].u.u64),
(stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64) ?
(int)(100 * stats[ST_F_REUSE].u.u64 / (stats[ST_F_CONNECT].u.u64 + stats[ST_F_REUSE].u.u64)) : 0,
U2H(stats[ST_F_REQ_TOT].u.u64),
U2H(stats[ST_F_HRSP_1XX].u.u64),
U2H(stats[ST_F_HRSP_2XX].u.u64),
U2H(stats[ST_F_COMP_RSP].u.u64),
stats[ST_F_HRSP_2XX].u.u64 ?
(int)(100 * stats[ST_F_COMP_RSP].u.u64 / stats[ST_F_HRSP_2XX].u.u64) : 0,
U2H(stats[ST_F_HRSP_3XX].u.u64),
U2H(stats[ST_F_HRSP_4XX].u.u64),
U2H(stats[ST_F_HRSP_5XX].u.u64),
U2H(stats[ST_F_HRSP_OTHER].u.u64),
U2H(stats[ST_F_CACHE_LOOKUPS].u.u64),
U2H(stats[ST_F_CACHE_HITS].u.u64),
stats[ST_F_CACHE_LOOKUPS].u.u64 ?
(int)(100 * stats[ST_F_CACHE_HITS].u.u64 / stats[ST_F_CACHE_LOOKUPS].u.u64) : 0,
U2H(stats[ST_F_WREW].u.u64),
U2H(stats[ST_F_EINT].u.u64));
}
chunk_appendf(out, "<tr><th colspan=3>Max / Avg over last 1024 success. conn.</th></tr>");
chunk_appendf(out, "<tr><th>- Queue time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_QT_MAX].u.u32), U2H(stats[ST_F_QTIME].u.u32));
chunk_appendf(out, "<tr><th>- Connect time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_CT_MAX].u.u32), U2H(stats[ST_F_CTIME].u.u32));
if (strcmp(field_str(stats, ST_F_MODE), "http") == 0)
chunk_appendf(out, "<tr><th>- Responses time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_RT_MAX].u.u32), U2H(stats[ST_F_RTIME].u.u32));
chunk_appendf(out, "<tr><th>- Total time:</th><td>%s / %s</td><td>ms</td></tr>",
U2H(stats[ST_F_TT_MAX].u.u32), U2H(stats[ST_F_TTIME].u.u32));
chunk_appendf(out,
"</table></div></u></td>"
/* sessions: lbtot, last */
"<td>%s</td><td>%s</td>"
/* bytes: in */
"<td>%s</td>"
"",
U2H(stats[ST_F_LBTOT].u.u64),
human_time(stats[ST_F_LASTSESS].u.s32, 1),
U2H(stats[ST_F_BIN].u.u64));
chunk_appendf(out,
/* bytes:out + compression stats (via hover): comp_in, comp_out, comp_byp */
"<td>%s%s<div class=tips><table class=det>"
"<tr><th>Response bytes in:</th><td>%s</td></tr>"
"<tr><th>Compression in:</th><td>%s</td></tr>"
"<tr><th>Compression out:</th><td>%s</td><td>(%d%%)</td></tr>"
"<tr><th>Compression bypass:</th><td>%s</td></tr>"
"<tr><th>Total bytes saved:</th><td>%s</td><td>(%d%%)</td></tr>"
"</table></div>%s</td>",
(stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "<u>":"",
U2H(stats[ST_F_BOUT].u.u64),
U2H(stats[ST_F_BOUT].u.u64),
U2H(stats[ST_F_COMP_IN].u.u64),
U2H(stats[ST_F_COMP_OUT].u.u64),
stats[ST_F_COMP_IN].u.u64 ? (int)(stats[ST_F_COMP_OUT].u.u64 * 100 / stats[ST_F_COMP_IN].u.u64) : 0,
U2H(stats[ST_F_COMP_BYP].u.u64),
U2H(stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64),
stats[ST_F_BOUT].u.u64 ? (int)((stats[ST_F_COMP_IN].u.u64 - stats[ST_F_COMP_OUT].u.u64) * 100 / stats[ST_F_BOUT].u.u64) : 0,
(stats[ST_F_COMP_IN].u.u64 || stats[ST_F_COMP_BYP].u.u64) ? "</u>":"");
chunk_appendf(out,
/* denied: req, resp */
"<td>%s</td><td>%s</td>"
/* errors : request, connect */
"<td></td><td>%s</td>"
/* errors : response */
"<td><u>%s<div class=tips>Connection resets during transfers: %lld client, %lld server</div></u></td>"
/* warnings: retries, redispatches */
"<td>%lld</td><td>%lld</td>"
/* backend status: reflect backend status (up/down): we display UP
* if the backend has known working servers or if it has no server at
* all (eg: for stats). Then we display the total weight, number of
* active and backups. */
"<td class=ac>%s %s</td><td class=ac>&nbsp;</td><td class=ac>%d/%d</td>"
"<td class=ac>%d</td><td class=ac>%d</td>"
"",
U2H(stats[ST_F_DREQ].u.u64), U2H(stats[ST_F_DRESP].u.u64),
U2H(stats[ST_F_ECON].u.u64),
U2H(stats[ST_F_ERESP].u.u64),
(long long)stats[ST_F_CLI_ABRT].u.u64,
(long long)stats[ST_F_SRV_ABRT].u.u64,
(long long)stats[ST_F_WRETR].u.u64, (long long)stats[ST_F_WREDIS].u.u64,
human_time(stats[ST_F_LASTCHG].u.u32, 1),
strcmp(field_str(stats, ST_F_STATUS), "DOWN") ? field_str(stats, ST_F_STATUS) : "<font color=\"red\"><b>DOWN</b></font>",
stats[ST_F_WEIGHT].u.u32, stats[ST_F_UWEIGHT].u.u32,
stats[ST_F_ACT].u.u32, stats[ST_F_BCK].u.u32);
chunk_appendf(out,
/* rest of backend: nothing, down transitions, total downtime, throttle */
"<td class=ac>&nbsp;</td><td>%d</td>"
"<td>%s</td>"
"<td></td>",
stats[ST_F_CHKDOWN].u.u32,
stats[ST_F_DOWNTIME].type ? human_time(stats[ST_F_DOWNTIME].u.u32, 1) : "&nbsp;");
if (flags & STAT_SHMODULES) {
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
chunk_appendf(out, "<td>");
if (stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_BE) {
chunk_appendf(out,
"<u>%s<div class=tips><table class=det>",
mod->name);
for (j = 0; j < mod->stats_count; ++j) {
chunk_appendf(out,
"<tr><th>%s</th><td>%s</td></tr>",
mod->stats[j].desc, field_to_html_str(&stats[ST_F_TOTAL_FIELDS + i]));
++i;
}
chunk_appendf(out, "</table></div></u>");
} else {
i += mod->stats_count;
}
chunk_appendf(out, "</td>");
}
}
chunk_appendf(out, "</tr>");
}
return 1;
}
int stats_dump_one_line(const struct field *stats, size_t stats_count,
struct appctx *appctx)
{
int ret;
if (appctx->ctx.stats.flags & STAT_FMT_HTML)
ret = stats_dump_fields_html(&trash, stats, appctx->ctx.stats.flags);
else if (appctx->ctx.stats.flags & STAT_FMT_TYPED)
ret = stats_dump_fields_typed(&trash, stats, stats_count, appctx->ctx.stats.flags, appctx->ctx.stats.domain);
else if (appctx->ctx.stats.flags & STAT_FMT_JSON)
ret = stats_dump_fields_json(&trash, stats, stats_count, appctx->ctx.stats.flags, appctx->ctx.stats.domain);
else
ret = stats_dump_fields_csv(&trash, stats, stats_count, appctx->ctx.stats.flags, appctx->ctx.stats.domain);
if (ret)
appctx->ctx.stats.flags |= STAT_STARTED;
return ret;
}
/* Fill <stats> with the frontend statistics. <stats> is preallocated array of
* length <len>. If <selected_field> is != NULL, only fill this one. The length
* of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
* this value, or if the selected field is not implemented for frontends, the
* function returns 0, otherwise, it returns 1.
*/
int stats_fill_fe_stats(struct proxy *px, struct field *stats, int len,
enum stat_field *selected_field)
{
enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
if (len < ST_F_TOTAL_FIELDS)
return 0;
for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
struct field metric = { 0 };
switch (current_field) {
case ST_F_PXNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
break;
case ST_F_SVNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "FRONTEND");
break;
case ST_F_MODE:
metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
break;
case ST_F_SCUR:
metric = mkf_u32(0, px->feconn);
break;
case ST_F_SMAX:
metric = mkf_u32(FN_MAX, px->fe_counters.conn_max);
break;
case ST_F_SLIM:
metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->maxconn);
break;
case ST_F_STOT:
metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_sess);
break;
case ST_F_BIN:
metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_in);
break;
case ST_F_BOUT:
metric = mkf_u64(FN_COUNTER, px->fe_counters.bytes_out);
break;
case ST_F_DREQ:
metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_req);
break;
case ST_F_DRESP:
metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_resp);
break;
case ST_F_EREQ:
metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_req);
break;
case ST_F_DCON:
metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_conn);
break;
case ST_F_DSES:
metric = mkf_u64(FN_COUNTER, px->fe_counters.denied_sess);
break;
case ST_F_STATUS:
metric = mkf_str(FO_STATUS, px->disabled ? "STOP" : "OPEN");
break;
case ST_F_PID:
metric = mkf_u32(FO_KEY, 1);
break;
case ST_F_IID:
metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
break;
case ST_F_SID:
metric = mkf_u32(FO_KEY|FS_SERVICE, 0);
break;
case ST_F_TYPE:
metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_FE);
break;
case ST_F_RATE:
metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_sess_per_sec));
break;
case ST_F_RATE_LIM:
metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fe_sps_lim);
break;
case ST_F_RATE_MAX:
metric = mkf_u32(FN_MAX, px->fe_counters.sps_max);
break;
case ST_F_WREW:
metric = mkf_u64(FN_COUNTER, px->fe_counters.failed_rewrites);
break;
case ST_F_EINT:
metric = mkf_u64(FN_COUNTER, px->fe_counters.internal_errors);
break;
case ST_F_HRSP_1XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[1]);
break;
case ST_F_HRSP_2XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[2]);
break;
case ST_F_HRSP_3XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[3]);
break;
case ST_F_HRSP_4XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[4]);
break;
case ST_F_HRSP_5XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[5]);
break;
case ST_F_HRSP_OTHER:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.rsp[0]);
break;
case ST_F_INTERCEPTED:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.intercepted_req);
break;
case ST_F_CACHE_LOOKUPS:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_lookups);
break;
case ST_F_CACHE_HITS:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cache_hits);
break;
case ST_F_REQ_RATE:
metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_req_per_sec));
break;
case ST_F_REQ_RATE_MAX:
metric = mkf_u32(FN_MAX, px->fe_counters.p.http.rps_max);
break;
case ST_F_REQ_TOT:
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.cum_req);
break;
case ST_F_COMP_IN:
metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_in);
break;
case ST_F_COMP_OUT:
metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_out);
break;
case ST_F_COMP_BYP:
metric = mkf_u64(FN_COUNTER, px->fe_counters.comp_byp);
break;
case ST_F_COMP_RSP:
metric = mkf_u64(FN_COUNTER, px->fe_counters.p.http.comp_rsp);
break;
case ST_F_CONN_RATE:
metric = mkf_u32(FN_RATE, read_freq_ctr(&px->fe_conn_per_sec));
break;
case ST_F_CONN_RATE_MAX:
metric = mkf_u32(FN_MAX, px->fe_counters.cps_max);
break;
case ST_F_CONN_TOT:
metric = mkf_u64(FN_COUNTER, px->fe_counters.cum_conn);
break;
default:
/* not used for frontends. If a specific metric
* is requested, return an error. Otherwise continue.
*/
if (selected_field != NULL)
return 0;
continue;
}
stats[current_field] = metric;
if (selected_field != NULL)
break;
}
return 1;
}
/* Dumps a frontend's line to the trash for the current proxy <px> and uses
* the state from stream interface <si>. The caller is responsible for clearing
* the trash if needed. Returns non-zero if it emits anything, zero otherwise.
*/
static int stats_dump_fe_stats(struct stream_interface *si, struct proxy *px)
{
struct appctx *appctx = __objt_appctx(si->end);
struct field *stats = stat_l[STATS_DOMAIN_PROXY];
struct stats_module *mod;
size_t stats_count = ST_F_TOTAL_FIELDS;
if (!(px->cap & PR_CAP_FE))
return 0;
if ((appctx->ctx.stats.flags & STAT_BOUND) && !(appctx->ctx.stats.type & (1 << STATS_TYPE_FE)))
return 0;
memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
if (!stats_fill_fe_stats(px, stats, ST_F_TOTAL_FIELDS, NULL))
return 0;
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
void *counters;
if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_FE)) {
stats_count += mod->stats_count;
continue;
}
counters = EXTRA_COUNTERS_GET(px->extra_counters_fe, mod);
mod->fill_stats(counters, stats + stats_count);
stats_count += mod->stats_count;
}
return stats_dump_one_line(stats, stats_count, appctx);
}
/* Fill <stats> with the listener statistics. <stats> is preallocated array of
* length <len>. The length of the array must be at least ST_F_TOTAL_FIELDS. If
* this length is less then this value, the function returns 0, otherwise, it
* returns 1. If selected_field is != NULL, only fill this one. <flags> can
* take the value STAT_SHLGNDS.
*/
int stats_fill_li_stats(struct proxy *px, struct listener *l, int flags,
struct field *stats, int len, enum stat_field *selected_field)
{
enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
struct buffer *out = get_trash_chunk();
if (len < ST_F_TOTAL_FIELDS)
return 0;
if (!l->counters)
return 0;
chunk_reset(out);
for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
struct field metric = { 0 };
switch (current_field) {
case ST_F_PXNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
break;
case ST_F_SVNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, l->name);
break;
case ST_F_MODE:
metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
break;
case ST_F_SCUR:
metric = mkf_u32(0, l->nbconn);
break;
case ST_F_SMAX:
metric = mkf_u32(FN_MAX, l->counters->conn_max);
break;
case ST_F_SLIM:
metric = mkf_u32(FO_CONFIG|FN_LIMIT, l->maxconn);
break;
case ST_F_STOT:
metric = mkf_u64(FN_COUNTER, l->counters->cum_conn);
break;
case ST_F_BIN:
metric = mkf_u64(FN_COUNTER, l->counters->bytes_in);
break;
case ST_F_BOUT:
metric = mkf_u64(FN_COUNTER, l->counters->bytes_out);
break;
case ST_F_DREQ:
metric = mkf_u64(FN_COUNTER, l->counters->denied_req);
break;
case ST_F_DRESP:
metric = mkf_u64(FN_COUNTER, l->counters->denied_resp);
break;
case ST_F_EREQ:
metric = mkf_u64(FN_COUNTER, l->counters->failed_req);
break;
case ST_F_DCON:
metric = mkf_u64(FN_COUNTER, l->counters->denied_conn);
break;
case ST_F_DSES:
metric = mkf_u64(FN_COUNTER, l->counters->denied_sess);
break;
case ST_F_STATUS:
metric = mkf_str(FO_STATUS, li_status_st[get_li_status(l)]);
break;
case ST_F_PID:
metric = mkf_u32(FO_KEY, 1);
break;
case ST_F_IID:
metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
break;
case ST_F_SID:
metric = mkf_u32(FO_KEY|FS_SERVICE, l->luid);
break;
case ST_F_TYPE:
metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SO);
break;
case ST_F_WREW:
metric = mkf_u64(FN_COUNTER, l->counters->failed_rewrites);
break;
case ST_F_EINT:
metric = mkf_u64(FN_COUNTER, l->counters->internal_errors);
break;
case ST_F_ADDR:
if (flags & STAT_SHLGNDS) {
char str[INET6_ADDRSTRLEN];
int port;
port = get_host_port(&l->rx.addr);
switch (addr_to_str(&l->rx.addr, str, sizeof(str))) {
case AF_INET:
metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
chunk_appendf(out, "%s:%d", str, port);
break;
case AF_INET6:
metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
chunk_appendf(out, "[%s]:%d", str, port);
break;
case AF_UNIX:
metric = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
break;
case -1:
metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
chunk_strcat(out, strerror(errno));
break;
default: /* address family not supported */
break;
}
}
break;
default:
/* not used for listen. If a specific metric
* is requested, return an error. Otherwise continue.
*/
if (selected_field != NULL)
return 0;
continue;
}
stats[current_field] = metric;
if (selected_field != NULL)
break;
}
return 1;
}
/* Dumps a line for listener <l> and proxy <px> to the trash and uses the state
* from stream interface <si>. The caller is responsible for clearing the trash
* if needed. Returns non-zero if it emits anything, zero otherwise.
*/
static int stats_dump_li_stats(struct stream_interface *si, struct proxy *px, struct listener *l)
{
struct appctx *appctx = __objt_appctx(si->end);
struct field *stats = stat_l[STATS_DOMAIN_PROXY];
struct stats_module *mod;
size_t stats_count = ST_F_TOTAL_FIELDS;
memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
if (!stats_fill_li_stats(px, l, appctx->ctx.stats.flags, stats,
ST_F_TOTAL_FIELDS, NULL))
return 0;
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
void *counters;
if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_LI)) {
stats_count += mod->stats_count;
continue;
}
counters = EXTRA_COUNTERS_GET(l->extra_counters, mod);
mod->fill_stats(counters, stats + stats_count);
stats_count += mod->stats_count;
}
return stats_dump_one_line(stats, stats_count, appctx);
}
enum srv_stats_state {
SRV_STATS_STATE_DOWN = 0,
SRV_STATS_STATE_DOWN_AGENT,
SRV_STATS_STATE_GOING_UP,
SRV_STATS_STATE_UP_GOING_DOWN,
SRV_STATS_STATE_UP,
SRV_STATS_STATE_NOLB_GOING_DOWN,
SRV_STATS_STATE_NOLB,
SRV_STATS_STATE_DRAIN_GOING_DOWN,
SRV_STATS_STATE_DRAIN,
SRV_STATS_STATE_DRAIN_AGENT,
SRV_STATS_STATE_NO_CHECK,
SRV_STATS_STATE_COUNT, /* Must be last */
};
static const char *srv_hlt_st[SRV_STATS_STATE_COUNT] = {
[SRV_STATS_STATE_DOWN] = "DOWN",
[SRV_STATS_STATE_DOWN_AGENT] = "DOWN (agent)",
[SRV_STATS_STATE_GOING_UP] = "DOWN %d/%d",
[SRV_STATS_STATE_UP_GOING_DOWN] = "UP %d/%d",
[SRV_STATS_STATE_UP] = "UP",
[SRV_STATS_STATE_NOLB_GOING_DOWN] = "NOLB %d/%d",
[SRV_STATS_STATE_NOLB] = "NOLB",
[SRV_STATS_STATE_DRAIN_GOING_DOWN] = "DRAIN %d/%d",
[SRV_STATS_STATE_DRAIN] = "DRAIN",
[SRV_STATS_STATE_DRAIN_AGENT] = "DRAIN (agent)",
[SRV_STATS_STATE_NO_CHECK] = "no check"
};
/* Compute server state helper
*/
static void stats_fill_sv_stats_computestate(struct server *sv, struct server *ref,
enum srv_stats_state *state)
{
if (sv->cur_state == SRV_ST_RUNNING || sv->cur_state == SRV_ST_STARTING) {
if ((ref->check.state & CHK_ST_ENABLED) &&
(ref->check.health < ref->check.rise + ref->check.fall - 1)) {
*state = SRV_STATS_STATE_UP_GOING_DOWN;
} else {
*state = SRV_STATS_STATE_UP;
}
if (sv->cur_admin & SRV_ADMF_DRAIN) {
if (ref->agent.state & CHK_ST_ENABLED)
*state = SRV_STATS_STATE_DRAIN_AGENT;
else if (*state == SRV_STATS_STATE_UP_GOING_DOWN)
*state = SRV_STATS_STATE_DRAIN_GOING_DOWN;
else
*state = SRV_STATS_STATE_DRAIN;
}
if (*state == SRV_STATS_STATE_UP && !(ref->check.state & CHK_ST_ENABLED)) {
*state = SRV_STATS_STATE_NO_CHECK;
}
}
else if (sv->cur_state == SRV_ST_STOPPING) {
if ((!(sv->check.state & CHK_ST_ENABLED) && !sv->track) ||
(ref->check.health == ref->check.rise + ref->check.fall - 1)) {
*state = SRV_STATS_STATE_NOLB;
} else {
*state = SRV_STATS_STATE_NOLB_GOING_DOWN;
}
}
else { /* stopped */
if ((ref->agent.state & CHK_ST_ENABLED) && !ref->agent.health) {
*state = SRV_STATS_STATE_DOWN_AGENT;
} else if ((ref->check.state & CHK_ST_ENABLED) && !ref->check.health) {
*state = SRV_STATS_STATE_DOWN; /* DOWN */
} else if ((ref->agent.state & CHK_ST_ENABLED) || (ref->check.state & CHK_ST_ENABLED)) {
*state = SRV_STATS_STATE_GOING_UP;
} else {
*state = SRV_STATS_STATE_DOWN; /* DOWN, unchecked */
}
}
}
/* Fill <stats> with the backend statistics. <stats> is preallocated array of
* length <len>. If <selected_field> is != NULL, only fill this one. The length
* of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
* this value, or if the selected field is not implemented for servers, the
* function returns 0, otherwise, it returns 1. <flags> can take the value
* STAT_SHLGNDS.
*/
int stats_fill_sv_stats(struct proxy *px, struct server *sv, int flags,
struct field *stats, int len,
enum stat_field *selected_field)
{
enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
struct server *via = sv->track ? sv->track : sv;
struct server *ref = via;
enum srv_stats_state state = 0;
char str[INET6_ADDRSTRLEN];
struct buffer *out = get_trash_chunk();
char *fld_status;
long long srv_samples_counter;
unsigned int srv_samples_window = TIME_STATS_SAMPLES;
if (len < ST_F_TOTAL_FIELDS)
return 0;
chunk_reset(out);
/* compute state for later use */
if (selected_field == NULL || *selected_field == ST_F_STATUS ||
*selected_field == ST_F_CHECK_RISE || *selected_field == ST_F_CHECK_FALL ||
*selected_field == ST_F_CHECK_HEALTH || *selected_field == ST_F_HANAFAIL) {
/* we have "via" which is the tracked server as described in the configuration,
* and "ref" which is the checked server and the end of the chain.
*/
while (ref->track)
ref = ref->track;
stats_fill_sv_stats_computestate(sv, ref, &state);
}
/* compue time values for later use */
if (selected_field == NULL || *selected_field == ST_F_QTIME ||
*selected_field == ST_F_CTIME || *selected_field == ST_F_RTIME ||
*selected_field == ST_F_TTIME) {
srv_samples_counter = (px->mode == PR_MODE_HTTP) ? sv->counters.p.http.cum_req : sv->counters.cum_lbconn;
if (srv_samples_counter < TIME_STATS_SAMPLES && srv_samples_counter > 0)
srv_samples_window = srv_samples_counter;
}
for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
struct field metric = { 0 };
switch (current_field) {
case ST_F_PXNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
break;
case ST_F_SVNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, sv->id);
break;
case ST_F_MODE:
metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
break;
case ST_F_QCUR:
metric = mkf_u32(0, sv->queue.length);
break;
case ST_F_QMAX:
metric = mkf_u32(FN_MAX, sv->counters.nbpend_max);
break;
case ST_F_SCUR:
metric = mkf_u32(0, sv->cur_sess);
break;
case ST_F_SMAX:
metric = mkf_u32(FN_MAX, sv->counters.cur_sess_max);
break;
case ST_F_SLIM:
if (sv->maxconn)
metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->maxconn);
break;
case ST_F_SRV_ICUR:
metric = mkf_u32(0, sv->curr_idle_conns);
break;
case ST_F_SRV_ILIM:
if (sv->max_idle_conns != -1)
metric = mkf_u32(FO_CONFIG|FN_LIMIT, sv->max_idle_conns);
break;
case ST_F_STOT:
metric = mkf_u64(FN_COUNTER, sv->counters.cum_sess);
break;
case ST_F_BIN:
metric = mkf_u64(FN_COUNTER, sv->counters.bytes_in);
break;
case ST_F_BOUT:
metric = mkf_u64(FN_COUNTER, sv->counters.bytes_out);
break;
case ST_F_DRESP:
metric = mkf_u64(FN_COUNTER, sv->counters.denied_resp);
break;
case ST_F_ECON:
metric = mkf_u64(FN_COUNTER, sv->counters.failed_conns);
break;
case ST_F_ERESP:
metric = mkf_u64(FN_COUNTER, sv->counters.failed_resp);
break;
case ST_F_WRETR:
metric = mkf_u64(FN_COUNTER, sv->counters.retries);
break;
case ST_F_WREDIS:
metric = mkf_u64(FN_COUNTER, sv->counters.redispatches);
break;
case ST_F_WREW:
metric = mkf_u64(FN_COUNTER, sv->counters.failed_rewrites);
break;
case ST_F_EINT:
metric = mkf_u64(FN_COUNTER, sv->counters.internal_errors);
break;
case ST_F_CONNECT:
metric = mkf_u64(FN_COUNTER, sv->counters.connect);
break;
case ST_F_REUSE:
metric = mkf_u64(FN_COUNTER, sv->counters.reuse);
break;
case ST_F_IDLE_CONN_CUR:
metric = mkf_u32(0, sv->curr_idle_nb);
break;
case ST_F_SAFE_CONN_CUR:
metric = mkf_u32(0, sv->curr_safe_nb);
break;
case ST_F_USED_CONN_CUR:
metric = mkf_u32(0, sv->curr_used_conns);
break;
case ST_F_NEED_CONN_EST:
metric = mkf_u32(0, sv->est_need_conns);
break;
case ST_F_STATUS:
fld_status = chunk_newstr(out);
if (sv->cur_admin & SRV_ADMF_RMAINT)
chunk_appendf(out, "MAINT (resolution)");
else if (sv->cur_admin & SRV_ADMF_IMAINT)
chunk_appendf(out, "MAINT (via %s/%s)", via->proxy->id, via->id);
else if (sv->cur_admin & SRV_ADMF_MAINT)
chunk_appendf(out, "MAINT");
else
chunk_appendf(out,
srv_hlt_st[state],
(ref->cur_state != SRV_ST_STOPPED) ? (ref->check.health - ref->check.rise + 1) : (ref->check.health),
(ref->cur_state != SRV_ST_STOPPED) ? (ref->check.fall) : (ref->check.rise));
metric = mkf_str(FO_STATUS, fld_status);
break;
case ST_F_LASTCHG:
metric = mkf_u32(FN_AGE, now.tv_sec - sv->last_change);
break;
case ST_F_WEIGHT:
metric = mkf_u32(FN_AVG, (sv->cur_eweight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
break;
case ST_F_UWEIGHT:
metric = mkf_u32(FN_AVG, sv->uweight);
break;
case ST_F_ACT:
metric = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 0 : 1);
break;
case ST_F_BCK:
metric = mkf_u32(FO_STATUS, (sv->flags & SRV_F_BACKUP) ? 1 : 0);
break;
case ST_F_CHKFAIL:
if (sv->check.state & CHK_ST_ENABLED)
metric = mkf_u64(FN_COUNTER, sv->counters.failed_checks);
break;
case ST_F_CHKDOWN:
if (sv->check.state & CHK_ST_ENABLED)
metric = mkf_u64(FN_COUNTER, sv->counters.down_trans);
break;
case ST_F_DOWNTIME:
if (sv->check.state & CHK_ST_ENABLED)
metric = mkf_u32(FN_COUNTER, srv_downtime(sv));
break;
case ST_F_QLIMIT:
if (sv->maxqueue)
metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->maxqueue);
break;
case ST_F_PID:
metric = mkf_u32(FO_KEY, 1);
break;
case ST_F_IID:
metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
break;
case ST_F_SID:
metric = mkf_u32(FO_KEY|FS_SERVICE, sv->puid);
break;
case ST_F_THROTTLE:
if (sv->cur_state == SRV_ST_STARTING && !server_is_draining(sv))
metric = mkf_u32(FN_AVG, server_throttle_rate(sv));
break;
case ST_F_LBTOT:
metric = mkf_u64(FN_COUNTER, sv->counters.cum_lbconn);
break;
case ST_F_TRACKED:
if (sv->track) {
char *fld_track = chunk_newstr(out);
chunk_appendf(out, "%s/%s", sv->track->proxy->id, sv->track->id);
metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, fld_track);
}
break;
case ST_F_TYPE:
metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_SV);
break;
case ST_F_RATE:
metric = mkf_u32(FN_RATE, read_freq_ctr(&sv->sess_per_sec));
break;
case ST_F_RATE_MAX:
metric = mkf_u32(FN_MAX, sv->counters.sps_max);
break;
case ST_F_CHECK_STATUS:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) {
const char *fld_chksts;
fld_chksts = chunk_newstr(out);
chunk_strcat(out, "* "); // for check in progress
chunk_strcat(out, get_check_status_info(sv->check.status));
if (!(sv->check.state & CHK_ST_INPROGRESS))
fld_chksts += 2; // skip "* "
metric = mkf_str(FN_OUTPUT, fld_chksts);
}
break;
case ST_F_CHECK_CODE:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
sv->check.status >= HCHK_STATUS_L57DATA)
metric = mkf_u32(FN_OUTPUT, sv->check.code);
break;
case ST_F_CHECK_DURATION:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
sv->check.status >= HCHK_STATUS_CHECKED)
metric = mkf_u64(FN_DURATION, sv->check.duration);
break;
case ST_F_CHECK_DESC:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_str(FN_OUTPUT, get_check_status_description(sv->check.status));
break;
case ST_F_LAST_CHK:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_str(FN_OUTPUT, sv->check.desc);
break;
case ST_F_CHECK_RISE:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.rise);
break;
case ST_F_CHECK_FALL:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.fall);
break;
case ST_F_CHECK_HEALTH:
if ((sv->check.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_u32(FO_CONFIG|FS_SERVICE, ref->check.health);
break;
case ST_F_AGENT_STATUS:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED) {
const char *fld_chksts;
fld_chksts = chunk_newstr(out);
chunk_strcat(out, "* "); // for check in progress
chunk_strcat(out, get_check_status_info(sv->agent.status));
if (!(sv->agent.state & CHK_ST_INPROGRESS))
fld_chksts += 2; // skip "* "
metric = mkf_str(FN_OUTPUT, fld_chksts);
}
break;
case ST_F_AGENT_CODE:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED &&
(sv->agent.status >= HCHK_STATUS_L57DATA))
metric = mkf_u32(FN_OUTPUT, sv->agent.code);
break;
case ST_F_AGENT_DURATION:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_u64(FN_DURATION, sv->agent.duration);
break;
case ST_F_AGENT_DESC:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_str(FN_OUTPUT, get_check_status_description(sv->agent.status));
break;
case ST_F_LAST_AGT:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_str(FN_OUTPUT, sv->agent.desc);
break;
case ST_F_AGENT_RISE:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.rise);
break;
case ST_F_AGENT_FALL:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.fall);
break;
case ST_F_AGENT_HEALTH:
if ((sv->agent.state & (CHK_ST_ENABLED|CHK_ST_PAUSED)) == CHK_ST_ENABLED)
metric = mkf_u32(FO_CONFIG|FS_SERVICE, sv->agent.health);
break;
case ST_F_REQ_TOT:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, sv->counters.p.http.cum_req);
break;
case ST_F_HRSP_1XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[1]);
break;
case ST_F_HRSP_2XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[2]);
break;
case ST_F_HRSP_3XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[3]);
break;
case ST_F_HRSP_4XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[4]);
break;
case ST_F_HRSP_5XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[5]);
break;
case ST_F_HRSP_OTHER:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, sv->counters.p.http.rsp[0]);
break;
case ST_F_HANAFAIL:
if (ref->observe)
metric = mkf_u64(FN_COUNTER, sv->counters.failed_hana);
break;
case ST_F_CLI_ABRT:
metric = mkf_u64(FN_COUNTER, sv->counters.cli_aborts);
break;
case ST_F_SRV_ABRT:
metric = mkf_u64(FN_COUNTER, sv->counters.srv_aborts);
break;
case ST_F_LASTSESS:
metric = mkf_s32(FN_AGE, srv_lastsession(sv));
break;
case ST_F_QTIME:
metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.q_time, srv_samples_window));
break;
case ST_F_CTIME:
metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.c_time, srv_samples_window));
break;
case ST_F_RTIME:
metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.d_time, srv_samples_window));
break;
case ST_F_TTIME:
metric = mkf_u32(FN_AVG, swrate_avg(sv->counters.t_time, srv_samples_window));
break;
case ST_F_QT_MAX:
metric = mkf_u32(FN_MAX, sv->counters.qtime_max);
break;
case ST_F_CT_MAX:
metric = mkf_u32(FN_MAX, sv->counters.ctime_max);
break;
case ST_F_RT_MAX:
metric = mkf_u32(FN_MAX, sv->counters.dtime_max);
break;
case ST_F_TT_MAX:
metric = mkf_u32(FN_MAX, sv->counters.ttime_max);
break;
case ST_F_ADDR:
if (flags & STAT_SHLGNDS) {
switch (addr_to_str(&sv->addr, str, sizeof(str))) {
case AF_INET:
metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
chunk_appendf(out, "%s:%d", str, sv->svc_port);
break;
case AF_INET6:
metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
chunk_appendf(out, "[%s]:%d", str, sv->svc_port);
break;
case AF_UNIX:
metric = mkf_str(FO_CONFIG|FS_SERVICE, "unix");
break;
case -1:
metric = mkf_str(FO_CONFIG|FS_SERVICE, chunk_newstr(out));
chunk_strcat(out, strerror(errno));
break;
default: /* address family not supported */
break;
}
}
break;
case ST_F_COOKIE:
if (flags & STAT_SHLGNDS && sv->cookie)
metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, sv->cookie);
break;
default:
/* not used for servers. If a specific metric
* is requested, return an error. Otherwise continue.
*/
if (selected_field != NULL)
return 0;
continue;
}
stats[current_field] = metric;
if (selected_field != NULL)
break;
}
return 1;
}
/* Dumps a line for server <sv> and proxy <px> to the trash and uses the state
* from stream interface <si>, and server state <state>. The caller is
* responsible for clearing the trash if needed. Returns non-zero if it emits
* anything, zero otherwise.
*/
static int stats_dump_sv_stats(struct stream_interface *si, struct proxy *px, struct server *sv)
{
struct appctx *appctx = __objt_appctx(si->end);
struct stats_module *mod;
struct field *stats = stat_l[STATS_DOMAIN_PROXY];
size_t stats_count = ST_F_TOTAL_FIELDS;
memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
if (!stats_fill_sv_stats(px, sv, appctx->ctx.stats.flags, stats,
ST_F_TOTAL_FIELDS, NULL))
return 0;
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
void *counters;
if (stats_get_domain(mod->domain_flags) != STATS_DOMAIN_PROXY)
continue;
if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_SRV)) {
stats_count += mod->stats_count;
continue;
}
counters = EXTRA_COUNTERS_GET(sv->extra_counters, mod);
mod->fill_stats(counters, stats + stats_count);
stats_count += mod->stats_count;
}
return stats_dump_one_line(stats, stats_count, appctx);
}
/* Helper to compute srv values for a given backend
*/
static void stats_fill_be_stats_computesrv(struct proxy *px, int *nbup, int *nbsrv, int *totuw)
{
int nbup_tmp, nbsrv_tmp, totuw_tmp;
const struct server *srv;
nbup_tmp = nbsrv_tmp = totuw_tmp = 0;
for (srv = px->srv; srv; srv = srv->next) {
if (srv->cur_state != SRV_ST_STOPPED) {
nbup_tmp++;
if (srv_currently_usable(srv) &&
(!px->srv_act ^ !(srv->flags & SRV_F_BACKUP)))
totuw_tmp += srv->uweight;
}
nbsrv_tmp++;
}
HA_RWLOCK_RDLOCK(LBPRM_LOCK, &px->lbprm.lock);
if (!px->srv_act && px->lbprm.fbck)
totuw_tmp = px->lbprm.fbck->uweight;
HA_RWLOCK_RDUNLOCK(LBPRM_LOCK, &px->lbprm.lock);
/* use tmp variable then assign result to make gcc happy */
*nbup = nbup_tmp;
*nbsrv = nbsrv_tmp;
*totuw = totuw_tmp;
}
/* Fill <stats> with the backend statistics. <stats> is preallocated array of
* length <len>. If <selected_field> is != NULL, only fill this one. The length
* of the array must be at least ST_F_TOTAL_FIELDS. If this length is less than
* this value, or if the selected field is not implemented for backends, the
* function returns 0, otherwise, it returns 1. <flags> can take the value
* STAT_SHLGNDS.
*/
int stats_fill_be_stats(struct proxy *px, int flags, struct field *stats, int len,
enum stat_field *selected_field)
{
enum stat_field current_field = (selected_field != NULL ? *selected_field : 0);
long long be_samples_counter;
unsigned int be_samples_window = TIME_STATS_SAMPLES;
struct buffer *out = get_trash_chunk();
int nbup, nbsrv, totuw;
char *fld;
if (len < ST_F_TOTAL_FIELDS)
return 0;
nbup = nbsrv = totuw = 0;
/* some srv values compute for later if we either select all fields or
* need them for one of the mentioned ones */
if (selected_field == NULL || *selected_field == ST_F_STATUS ||
*selected_field == ST_F_UWEIGHT)
stats_fill_be_stats_computesrv(px, &nbup, &nbsrv, &totuw);
/* same here but specific to time fields */
if (selected_field == NULL || *selected_field == ST_F_QTIME ||
*selected_field == ST_F_CTIME || *selected_field == ST_F_RTIME ||
*selected_field == ST_F_TTIME) {
be_samples_counter = (px->mode == PR_MODE_HTTP) ? px->be_counters.p.http.cum_req : px->be_counters.cum_lbconn;
if (be_samples_counter < TIME_STATS_SAMPLES && be_samples_counter > 0)
be_samples_window = be_samples_counter;
}
for (; current_field < ST_F_TOTAL_FIELDS; current_field++) {
struct field metric = { 0 };
switch (current_field) {
case ST_F_PXNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, px->id);
break;
case ST_F_SVNAME:
metric = mkf_str(FO_KEY|FN_NAME|FS_SERVICE, "BACKEND");
break;
case ST_F_MODE:
metric = mkf_str(FO_CONFIG|FS_SERVICE, proxy_mode_str(px->mode));
break;
case ST_F_QCUR:
metric = mkf_u32(0, px->queue.length);
break;
case ST_F_QMAX:
metric = mkf_u32(FN_MAX, px->be_counters.nbpend_max);
break;
case ST_F_SCUR:
metric = mkf_u32(0, px->beconn);
break;
case ST_F_SMAX:
metric = mkf_u32(FN_MAX, px->be_counters.conn_max);
break;
case ST_F_SLIM:
metric = mkf_u32(FO_CONFIG|FN_LIMIT, px->fullconn);
break;
case ST_F_STOT:
metric = mkf_u64(FN_COUNTER, px->be_counters.cum_conn);
break;
case ST_F_BIN:
metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_in);
break;
case ST_F_BOUT:
metric = mkf_u64(FN_COUNTER, px->be_counters.bytes_out);
break;
case ST_F_DREQ:
metric = mkf_u64(FN_COUNTER, px->be_counters.denied_req);
break;
case ST_F_DRESP:
metric = mkf_u64(FN_COUNTER, px->be_counters.denied_resp);
break;
case ST_F_ECON:
metric = mkf_u64(FN_COUNTER, px->be_counters.failed_conns);
break;
case ST_F_ERESP:
metric = mkf_u64(FN_COUNTER, px->be_counters.failed_resp);
break;
case ST_F_WRETR:
metric = mkf_u64(FN_COUNTER, px->be_counters.retries);
break;
case ST_F_WREDIS:
metric = mkf_u64(FN_COUNTER, px->be_counters.redispatches);
break;
case ST_F_WREW:
metric = mkf_u64(FN_COUNTER, px->be_counters.failed_rewrites);
break;
case ST_F_EINT:
metric = mkf_u64(FN_COUNTER, px->be_counters.internal_errors);
break;
case ST_F_CONNECT:
metric = mkf_u64(FN_COUNTER, px->be_counters.connect);
break;
case ST_F_REUSE:
metric = mkf_u64(FN_COUNTER, px->be_counters.reuse);
break;
case ST_F_STATUS:
fld = chunk_newstr(out);
chunk_appendf(out, "%s", (px->lbprm.tot_weight > 0 || !px->srv) ? "UP" : "DOWN");
if (flags & (STAT_HIDE_MAINT|STAT_HIDE_DOWN))
chunk_appendf(out, " (%d/%d)", nbup, nbsrv);
metric = mkf_str(FO_STATUS, fld);
break;
case ST_F_WEIGHT:
metric = mkf_u32(FN_AVG, (px->lbprm.tot_weight * px->lbprm.wmult + px->lbprm.wdiv - 1) / px->lbprm.wdiv);
break;
case ST_F_UWEIGHT:
metric = mkf_u32(FN_AVG, totuw);
break;
case ST_F_ACT:
metric = mkf_u32(0, px->srv_act);
break;
case ST_F_BCK:
metric = mkf_u32(0, px->srv_bck);
break;
case ST_F_CHKDOWN:
metric = mkf_u64(FN_COUNTER, px->down_trans);
break;
case ST_F_LASTCHG:
metric = mkf_u32(FN_AGE, now.tv_sec - px->last_change);
break;
case ST_F_DOWNTIME:
if (px->srv)
metric = mkf_u32(FN_COUNTER, be_downtime(px));
break;
case ST_F_PID:
metric = mkf_u32(FO_KEY, 1);
break;
case ST_F_IID:
metric = mkf_u32(FO_KEY|FS_SERVICE, px->uuid);
break;
case ST_F_SID:
metric = mkf_u32(FO_KEY|FS_SERVICE, 0);
break;
case ST_F_LBTOT:
metric = mkf_u64(FN_COUNTER, px->be_counters.cum_lbconn);
break;
case ST_F_TYPE:
metric = mkf_u32(FO_CONFIG|FS_SERVICE, STATS_TYPE_BE);
break;
case ST_F_RATE:
metric = mkf_u32(0, read_freq_ctr(&px->be_sess_per_sec));
break;
case ST_F_RATE_MAX:
metric = mkf_u32(0, px->be_counters.sps_max);
break;
case ST_F_COOKIE:
if (flags & STAT_SHLGNDS && px->cookie_name)
metric = mkf_str(FO_CONFIG|FN_NAME|FS_SERVICE, px->cookie_name);
break;
case ST_F_ALGO:
if (flags & STAT_SHLGNDS)
metric = mkf_str(FO_CONFIG|FS_SERVICE, backend_lb_algo_str(px->lbprm.algo & BE_LB_ALGO));
break;
case ST_F_REQ_TOT:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cum_req);
break;
case ST_F_HRSP_1XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[1]);
break;
case ST_F_HRSP_2XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[2]);
break;
case ST_F_HRSP_3XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[3]);
break;
case ST_F_HRSP_4XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[4]);
break;
case ST_F_HRSP_5XX:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[5]);
break;
case ST_F_HRSP_OTHER:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.rsp[0]);
break;
case ST_F_CACHE_LOOKUPS:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_lookups);
break;
case ST_F_CACHE_HITS:
if (px->mode == PR_MODE_HTTP)
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.cache_hits);
break;
case ST_F_CLI_ABRT:
metric = mkf_u64(FN_COUNTER, px->be_counters.cli_aborts);
break;
case ST_F_SRV_ABRT:
metric = mkf_u64(FN_COUNTER, px->be_counters.srv_aborts);
break;
case ST_F_COMP_IN:
metric = mkf_u64(FN_COUNTER, px->be_counters.comp_in);
break;
case ST_F_COMP_OUT:
metric = mkf_u64(FN_COUNTER, px->be_counters.comp_out);
break;
case ST_F_COMP_BYP:
metric = mkf_u64(FN_COUNTER, px->be_counters.comp_byp);
break;
case ST_F_COMP_RSP:
metric = mkf_u64(FN_COUNTER, px->be_counters.p.http.comp_rsp);
break;
case ST_F_LASTSESS:
metric = mkf_s32(FN_AGE, be_lastsession(px));
break;
case ST_F_QTIME:
metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.q_time, be_samples_window));
break;
case ST_F_CTIME:
metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.c_time, be_samples_window));
break;
case ST_F_RTIME:
metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.d_time, be_samples_window));
break;
case ST_F_TTIME:
metric = mkf_u32(FN_AVG, swrate_avg(px->be_counters.t_time, be_samples_window));
break;
case ST_F_QT_MAX:
metric = mkf_u32(FN_MAX, px->be_counters.qtime_max);
break;
case ST_F_CT_MAX:
metric = mkf_u32(FN_MAX, px->be_counters.ctime_max);
break;
case ST_F_RT_MAX:
metric = mkf_u32(FN_MAX, px->be_counters.dtime_max);
break;
case ST_F_TT_MAX:
metric = mkf_u32(FN_MAX, px->be_counters.ttime_max);
break;
default:
/* not used for backends. If a specific metric
* is requested, return an error. Otherwise continue.
*/
if (selected_field != NULL)
return 0;
continue;
}
stats[current_field] = metric;
if (selected_field != NULL)
break;
}
return 1;
}
/* Dumps a line for backend <px> to the trash for and uses the state from stream
* interface <si>. The caller is responsible for clearing the trash if needed.
* Returns non-zero if it emits anything, zero otherwise.
*/
static int stats_dump_be_stats(struct stream_interface *si, struct proxy *px)
{
struct appctx *appctx = __objt_appctx(si->end);
struct field *stats = stat_l[STATS_DOMAIN_PROXY];
struct stats_module *mod;
size_t stats_count = ST_F_TOTAL_FIELDS;
if (!(px->cap & PR_CAP_BE))
return 0;
if ((appctx->ctx.stats.flags & STAT_BOUND) && !(appctx->ctx.stats.type & (1 << STATS_TYPE_BE)))
return 0;
memset(stats, 0, sizeof(struct field) * stat_count[STATS_DOMAIN_PROXY]);
if (!stats_fill_be_stats(px, appctx->ctx.stats.flags, stats, ST_F_TOTAL_FIELDS, NULL))
return 0;
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
struct extra_counters *counters;
if (stats_get_domain(mod->domain_flags) != STATS_DOMAIN_PROXY)
continue;
if (!(stats_px_get_cap(mod->domain_flags) & STATS_PX_CAP_BE)) {
stats_count += mod->stats_count;
continue;
}
counters = EXTRA_COUNTERS_GET(px->extra_counters_be, mod);
mod->fill_stats(counters, stats + stats_count);
stats_count += mod->stats_count;
}
return stats_dump_one_line(stats, stats_count, appctx);
}
/* Dumps the HTML table header for proxy <px> to the trash for and uses the state from
* stream interface <si> and per-uri parameters <uri>. The caller is responsible
* for clearing the trash if needed.
*/
static void stats_dump_html_px_hdr(struct stream_interface *si, struct proxy *px)
{
struct appctx *appctx = __objt_appctx(si->end);
char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
struct stats_module *mod;
int stats_module_len = 0;
if (px->cap & PR_CAP_BE && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* A form to enable/disable this proxy servers */
/* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
scope_txt[0] = 0;
if (appctx->ctx.stats.scope_len) {
const char *scope_ptr = stats_scope_ptr(appctx, si);
strcpy(scope_txt, STAT_SCOPE_PATTERN);
memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, appctx->ctx.stats.scope_len);
scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
}
chunk_appendf(&trash,
"<form method=\"post\">");
}
/* print a new table */
chunk_appendf(&trash,
"<table class=\"tbl\" width=\"100%%\">\n"
"<tr class=\"titre\">"
"<th class=\"pxname\" width=\"10%%\">");
chunk_appendf(&trash,
"<a name=\"%s\"></a>%s"
"<a class=px href=\"#%s\">%s</a>",
px->id,
(appctx->ctx.stats.flags & STAT_SHLGNDS) ? "<u>":"",
px->id, px->id);
if (appctx->ctx.stats.flags & STAT_SHLGNDS) {
/* cap, mode, id */
chunk_appendf(&trash, "<div class=tips>cap: %s, mode: %s, id: %d",
proxy_cap_str(px->cap), proxy_mode_str(px->mode),
px->uuid);
chunk_appendf(&trash, "</div>");
}
chunk_appendf(&trash,
"%s</th>"
"<th class=\"%s\" width=\"90%%\">%s</th>"
"</tr>\n"
"</table>\n"
"<table class=\"tbl\" width=\"100%%\">\n"
"<tr class=\"titre\">",
(appctx->ctx.stats.flags & STAT_SHLGNDS) ? "</u>":"",
px->desc ? "desc" : "empty", px->desc ? px->desc : "");
if (appctx->ctx.stats.flags & STAT_ADMIN) {
/* Column heading for Enable or Disable server */
if ((px->cap & PR_CAP_BE) && px->srv)
chunk_appendf(&trash,
"<th rowspan=2 width=1><input type=\"checkbox\" "
"onclick=\"for(c in document.getElementsByClassName('%s-checkbox')) "
"document.getElementsByClassName('%s-checkbox').item(c).checked = this.checked\"></th>",
px->id,
px->id);
else
chunk_appendf(&trash, "<th rowspan=2></th>");
}
chunk_appendf(&trash,
"<th rowspan=2></th>"
"<th colspan=3>Queue</th>"
"<th colspan=3>Session rate</th><th colspan=6>Sessions</th>"
"<th colspan=2>Bytes</th><th colspan=2>Denied</th>"
"<th colspan=3>Errors</th><th colspan=2>Warnings</th>"
"<th colspan=9>Server</th>");
if (appctx->ctx.stats.flags & STAT_SHMODULES) {
// calculate the count of module for colspan attribute
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
++stats_module_len;
}
chunk_appendf(&trash, "<th colspan=%d>Extra modules</th>",
stats_module_len);
}
chunk_appendf(&trash,
"</tr>\n"
"<tr class=\"titre\">"
"<th>Cur</th><th>Max</th><th>Limit</th>"
"<th>Cur</th><th>Max</th><th>Limit</th><th>Cur</th><th>Max</th>"
"<th>Limit</th><th>Total</th><th>LbTot</th><th>Last</th><th>In</th><th>Out</th>"
"<th>Req</th><th>Resp</th><th>Req</th><th>Conn</th>"
"<th>Resp</th><th>Retr</th><th>Redis</th>"
"<th>Status</th><th>LastChk</th><th>Wght</th><th>Act</th>"
"<th>Bck</th><th>Chk</th><th>Dwn</th><th>Dwntme</th>"
"<th>Thrtle</th>\n");
if (appctx->ctx.stats.flags & STAT_SHMODULES) {
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
chunk_appendf(&trash, "<th>%s</th>", mod->name);
}
}
chunk_appendf(&trash, "</tr>");
}
/* Dumps the HTML table trailer for proxy <px> to the trash for and uses the state from
* stream interface <si>. The caller is responsible for clearing the trash if needed.
*/
static void stats_dump_html_px_end(struct stream_interface *si, struct proxy *px)
{
struct appctx *appctx = __objt_appctx(si->end);
chunk_appendf(&trash, "</table>");
if ((px->cap & PR_CAP_BE) && px->srv && (appctx->ctx.stats.flags & STAT_ADMIN)) {
/* close the form used to enable/disable this proxy servers */
chunk_appendf(&trash,
"Choose the action to perform on the checked servers : "
"<select name=action>"
"<option value=\"\"></option>"
"<option value=\"ready\">Set state to READY</option>"
"<option value=\"drain\">Set state to DRAIN</option>"
"<option value=\"maint\">Set state to MAINT</option>"
"<option value=\"dhlth\">Health: disable checks</option>"
"<option value=\"ehlth\">Health: enable checks</option>"
"<option value=\"hrunn\">Health: force UP</option>"
"<option value=\"hnolb\">Health: force NOLB</option>"
"<option value=\"hdown\">Health: force DOWN</option>"
"<option value=\"dagent\">Agent: disable checks</option>"
"<option value=\"eagent\">Agent: enable checks</option>"
"<option value=\"arunn\">Agent: force UP</option>"
"<option value=\"adown\">Agent: force DOWN</option>"
"<option value=\"shutdown\">Kill Sessions</option>"
"</select>"
"<input type=\"hidden\" name=\"b\" value=\"#%d\">"
"&nbsp;<input type=\"submit\" value=\"Apply\">"
"</form>",
px->uuid);
}
chunk_appendf(&trash, "<p>\n");
}
/*
* Dumps statistics for a proxy. The output is sent to the stream interface's
* input buffer. Returns 0 if it had to stop dumping data because of lack of
* buffer space, or non-zero if everything completed. This function is used
* both by the CLI and the HTTP entry points, and is able to dump the output
* in HTML or CSV formats. If the later, <uri> must be NULL.
*/
int stats_dump_proxy_to_buffer(struct stream_interface *si, struct htx *htx,
struct proxy *px, struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
struct stream *s = si_strm(si);
struct channel *rep = si_ic(si);
struct server *sv, *svs; /* server and server-state, server-state=server or server->track */
struct listener *l;
chunk_reset(&trash);
switch (appctx->ctx.stats.px_st) {
case STAT_PX_ST_INIT:
/* we are on a new proxy */
if (uri && uri->scope) {
/* we have a limited scope, we have to check the proxy name */
struct stat_scope *scope;
int len;
len = strlen(px->id);
scope = uri->scope;
while (scope) {
/* match exact proxy name */
if (scope->px_len == len && !memcmp(px->id, scope->px_id, len))
break;
/* match '.' which means 'self' proxy */
if (strcmp(scope->px_id, ".") == 0 && px == s->be)
break;
scope = scope->next;
}
/* proxy name not found : don't dump anything */
if (scope == NULL)
return 1;
}
/* if the user has requested a limited output and the proxy
* name does not match, skip it.
*/
if (appctx->ctx.stats.scope_len) {
const char *scope_ptr = stats_scope_ptr(appctx, si);
if (strnistr(px->id, strlen(px->id), scope_ptr, appctx->ctx.stats.scope_len) == NULL)
return 1;
}
if ((appctx->ctx.stats.flags & STAT_BOUND) &&
(appctx->ctx.stats.iid != -1) &&
(px->uuid != appctx->ctx.stats.iid))
return 1;
appctx->ctx.stats.px_st = STAT_PX_ST_TH;
/* fall through */
case STAT_PX_ST_TH:
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
stats_dump_html_px_hdr(si, px);
if (!stats_putchk(rep, htx, &trash))
goto full;
}
appctx->ctx.stats.px_st = STAT_PX_ST_FE;
/* fall through */
case STAT_PX_ST_FE:
/* print the frontend */
if (stats_dump_fe_stats(si, px)) {
if (!stats_putchk(rep, htx, &trash))
goto full;
}
appctx->ctx.stats.obj2 = px->conf.listeners.n;
appctx->ctx.stats.px_st = STAT_PX_ST_LI;
/* fall through */
case STAT_PX_ST_LI:
/* obj2 points to listeners list as initialized above */
for (; appctx->ctx.stats.obj2 != &px->conf.listeners; appctx->ctx.stats.obj2 = l->by_fe.n) {
if (htx) {
if (htx_almost_full(htx))
goto full;
}
else {
if (buffer_almost_full(&rep->buf))
goto full;
}
l = LIST_ELEM(appctx->ctx.stats.obj2, struct listener *, by_fe);
if (!l->counters)
continue;
if (appctx->ctx.stats.flags & STAT_BOUND) {
if (!(appctx->ctx.stats.type & (1 << STATS_TYPE_SO)))
break;
if (appctx->ctx.stats.sid != -1 && l->luid != appctx->ctx.stats.sid)
continue;
}
/* print the frontend */
if (stats_dump_li_stats(si, px, l)) {
if (!stats_putchk(rep, htx, &trash))
goto full;
}
}
appctx->ctx.stats.obj2 = px->srv; /* may be NULL */
appctx->ctx.stats.px_st = STAT_PX_ST_SV;
/* fall through */
case STAT_PX_ST_SV:
/* obj2 points to servers list as initialized above.
*
* A dynamic server may be removed during the stats dumping.
* Temporarily increment its refcount to prevent its
* anticipated cleaning. Call free_server to release it.
*/
for (; appctx->ctx.stats.obj2 != NULL;
appctx->ctx.stats.obj2 =
(!(sv->flags & SRV_F_DYNAMIC)) ? sv->next : free_server(sv)) {
sv = appctx->ctx.stats.obj2;
if (sv->flags & SRV_F_DYNAMIC)
srv_use_dynsrv(sv);
if (htx) {
if (htx_almost_full(htx))
goto full;
}
else {
if (buffer_almost_full(&rep->buf))
goto full;
}
if (appctx->ctx.stats.flags & STAT_BOUND) {
if (!(appctx->ctx.stats.type & (1 << STATS_TYPE_SV))) {
if (sv->flags & SRV_F_DYNAMIC)
free_server(appctx->ctx.stats.obj2);
break;
}
if (appctx->ctx.stats.sid != -1 && sv->puid != appctx->ctx.stats.sid)
continue;
}
/* do not report disabled servers */
if (appctx->ctx.stats.flags & STAT_HIDE_MAINT &&
sv->cur_admin & SRV_ADMF_MAINT) {
continue;
}
svs = sv;
while (svs->track)
svs = svs->track;
/* do not report servers which are DOWN and not changing state */
if ((appctx->ctx.stats.flags & STAT_HIDE_DOWN) &&
((sv->cur_admin & SRV_ADMF_MAINT) || /* server is in maintenance */
(sv->cur_state == SRV_ST_STOPPED && /* server is down */
(!((svs->agent.state | svs->check.state) & CHK_ST_ENABLED) ||
((svs->agent.state & CHK_ST_ENABLED) && !svs->agent.health) ||
((svs->check.state & CHK_ST_ENABLED) && !svs->check.health))))) {
continue;
}
if (stats_dump_sv_stats(si, px, sv)) {
if (!stats_putchk(rep, htx, &trash))
goto full;
}
} /* for sv */
appctx->ctx.stats.px_st = STAT_PX_ST_BE;
/* fall through */
case STAT_PX_ST_BE:
/* print the backend */
if (stats_dump_be_stats(si, px)) {
if (!stats_putchk(rep, htx, &trash))
goto full;
}
appctx->ctx.stats.px_st = STAT_PX_ST_END;
/* fall through */
case STAT_PX_ST_END:
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
stats_dump_html_px_end(si, px);
if (!stats_putchk(rep, htx, &trash))
goto full;
}
appctx->ctx.stats.px_st = STAT_PX_ST_FIN;
/* fall through */
case STAT_PX_ST_FIN:
return 1;
default:
/* unknown state, we should put an abort() here ! */
return 1;
}
full:
si_rx_room_blk(si);
return 0;
}
/* Dumps the HTTP stats head block to the trash for and uses the per-uri
* parameters <uri>. The caller is responsible for clearing the trash if needed.
*/
static void stats_dump_html_head(struct appctx *appctx, struct uri_auth *uri)
{
/* WARNING! This must fit in the first buffer !!! */
chunk_appendf(&trash,
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\n"
"\"http://www.w3.org/TR/html4/loose.dtd\">\n"
"<html><head><title>Statistics Report for " PRODUCT_NAME "%s%s</title>\n"
"<link rel=\"icon\" href=\"data:,\">\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"
".active_down {background: #ff9090;}\n"
".active_going_up {background: #ffd020;}\n"
".active_going_down {background: #ffffa0;}\n"
".active_up {background: #c0ffc0;}\n"
".active_nolb {background: #20a0ff;}\n"
".active_draining {background: #20a0FF;}\n"
".active_no_check {background: #e0e0e0;}\n"
".backup_down {background: #ff9090;}\n"
".backup_going_up {background: #ff80ff;}\n"
".backup_going_down {background: #c060ff;}\n"
".backup_up {background: #b0d0ff;}\n"
".backup_nolb {background: #90b0e0;}\n"
".backup_draining {background: #cc9900;}\n"
".backup_no_check {background: #e0e0e0;}\n"
".maintain {background: #c07820;}\n"
".rls {letter-spacing: 0.2em; margin-right: 1px;}\n" /* right letter spacing (used for grouping digits) */
"\n"
"a.px:link {color: #ffff40; text-decoration: none;}"
"a.px:visited {color: #ffff40; text-decoration: none;}"
"a.px:hover {color: #ffffff; text-decoration: none;}"
"a.lfsb:link {color: #000000; text-decoration: none;}"
"a.lfsb:visited {color: #000000; text-decoration: none;}"
"a.lfsb:hover {color: #505050; text-decoration: none;}"
"\n"
"table.tbl { border-collapse: collapse; border-style: none;}\n"
"table.tbl td { text-align: right; border-width: 1px 1px 1px 1px; border-style: solid solid solid solid; padding: 2px 3px; border-color: gray; white-space: nowrap;}\n"
"table.tbl td.ac { text-align: center;}\n"
"table.tbl th { border-width: 1px; border-style: solid solid solid solid; border-color: gray;}\n"
"table.tbl th.pxname { background: #b00040; color: #ffff40; font-weight: bold; border-style: solid solid none solid; padding: 2px 3px; white-space: nowrap;}\n"
"table.tbl th.empty { border-style: none; empty-cells: hide; background: white;}\n"
"table.tbl th.desc { background: white; border-style: solid solid none solid; text-align: left; padding: 2px 3px;}\n"
"\n"
"table.lgd { border-collapse: collapse; border-width: 1px; border-style: none none none solid; border-color: black;}\n"
"table.lgd td { border-width: 1px; border-style: solid solid solid solid; border-color: gray; padding: 2px;}\n"
"table.lgd td.noborder { border-style: none; padding: 2px; white-space: nowrap;}\n"
"table.det { border-collapse: collapse; border-style: none; }\n"
"table.det th { text-align: left; border-width: 0px; padding: 0px 1px 0px 0px; font-style:normal;font-size:11px;font-weight:bold;font-family: sans-serif;}\n"
"table.det td { text-align: right; border-width: 0px; padding: 0px 0px 0px 4px; white-space: nowrap; font-style:normal;font-size:11px;font-weight:normal;}\n"
"u {text-decoration:none; border-bottom: 1px dotted black;}\n"
"div.tips {\n"
" display:block;\n"
" visibility:hidden;\n"
" z-index:2147483647;\n"
" position:absolute;\n"
" padding:2px 4px 3px;\n"
" background:#f0f060; color:#000000;\n"
" border:1px solid #7040c0;\n"
" white-space:nowrap;\n"
" font-style:normal;font-size:11px;font-weight:normal;\n"
" -moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px;\n"
" -moz-box-shadow:gray 2px 2px 3px;-webkit-box-shadow:gray 2px 2px 3px;box-shadow:gray 2px 2px 3px;\n"
"}\n"
"u:hover div.tips {visibility:visible;}\n"
"-->\n"
"</style></head>\n",
(appctx->ctx.stats.flags & STAT_SHNODE) ? " on " : "",
(appctx->ctx.stats.flags & STAT_SHNODE) ? (uri && uri->node ? uri->node : global.node) : ""
);
}
/* Dumps the HTML stats information block to the trash for and uses the state from
* stream interface <si> and per-uri parameters <uri>. The caller is responsible
* for clearing the trash if needed.
*/
static void stats_dump_html_info(struct stream_interface *si, struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
unsigned int up = (now.tv_sec - start_date.tv_sec);
char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
const char *scope_ptr = stats_scope_ptr(appctx, si);
unsigned long long bps = (unsigned long long)read_freq_ctr(&global.out_32bps) * 32;
/* Turn the bytes per second to bits per second and take care of the
* usual ethernet overhead in order to help figure how far we are from
* interface saturation since it's the only case which usually matters.
* For this we count the total size of an Ethernet frame on the wire
* including preamble and IFG (1538) for the largest TCP segment it
* transports (1448 with TCP timestamps). This is not valid for smaller
* packets (under-estimated), but it gives a reasonably accurate
* estimation of how far we are from uplink saturation.
*/
bps = bps * 8 * 1538 / 1448;
/* WARNING! this has to fit the first packet too.
* We are around 3.5 kB, add adding entries will
* become tricky if we want to support 4kB buffers !
*/
chunk_appendf(&trash,
"<body><h1><a href=\"" PRODUCT_URL "\" style=\"text-decoration: none;\">"
PRODUCT_NAME "%s</a></h1>\n"
"<h2>Statistics Report for pid %d%s%s%s%s</h2>\n"
"<hr width=\"100%%\" class=\"hr\">\n"
"<h3>&gt; General process information</h3>\n"
"<table border=0><tr><td align=\"left\" nowrap width=\"1%%\">\n"
"<p><b>pid = </b> %d (process #%d, nbproc = %d, nbthread = %d)<br>\n"
"<b>uptime = </b> %dd %dh%02dm%02ds<br>\n"
"<b>system limits:</b> memmax = %s%s; ulimit-n = %d<br>\n"
"<b>maxsock = </b> %d; <b>maxconn = </b> %d; <b>maxpipes = </b> %d<br>\n"
"current conns = %d; current pipes = %d/%d; conn rate = %d/sec; bit rate = %.3f %cbps<br>\n"
"Running tasks: %d/%d; idle = %d %%<br>\n"
"</td><td align=\"center\" nowrap>\n"
"<table class=\"lgd\"><tr>\n"
"<td class=\"active_up\">&nbsp;</td><td class=\"noborder\">active UP </td>"
"<td class=\"backup_up\">&nbsp;</td><td class=\"noborder\">backup UP </td>"
"</tr><tr>\n"
"<td class=\"active_going_down\"></td><td class=\"noborder\">active UP, going down </td>"
"<td class=\"backup_going_down\"></td><td class=\"noborder\">backup UP, going down </td>"
"</tr><tr>\n"
"<td class=\"active_going_up\"></td><td class=\"noborder\">active DOWN, going up </td>"
"<td class=\"backup_going_up\"></td><td class=\"noborder\">backup DOWN, going up </td>"
"</tr><tr>\n"
"<td class=\"active_down\"></td><td class=\"noborder\">active or backup DOWN &nbsp;</td>"
"<td class=\"active_no_check\"></td><td class=\"noborder\">not checked </td>"
"</tr><tr>\n"
"<td class=\"maintain\"></td><td class=\"noborder\" colspan=\"3\">active or backup DOWN for maintenance (MAINT) &nbsp;</td>"
"</tr><tr>\n"
"<td class=\"active_draining\"></td><td class=\"noborder\" colspan=\"3\">active or backup SOFT STOPPED for maintenance &nbsp;</td>"
"</tr></table>\n"
"Note: \"NOLB\"/\"DRAIN\" = UP with load-balancing disabled."
"</td>"
"<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
"<b>Display option:</b><ul style=\"margin-top: 0.25em;\">"
"",
(appctx->ctx.stats.flags & STAT_HIDEVER) ? "" : (stats_version_string),
pid, (appctx->ctx.stats.flags & STAT_SHNODE) ? " on " : "",
(appctx->ctx.stats.flags & STAT_SHNODE) ? (uri->node ? uri->node : global.node) : "",
(appctx->ctx.stats.flags & STAT_SHDESC) ? ": " : "",
(appctx->ctx.stats.flags & STAT_SHDESC) ? (uri->desc ? uri->desc : global.desc) : "",
pid, 1, 1, global.nbthread,
up / 86400, (up % 86400) / 3600,
(up % 3600) / 60, (up % 60),
global.rlimit_memmax ? ultoa(global.rlimit_memmax) : "unlimited",
global.rlimit_memmax ? " MB" : "",
global.rlimit_nofile,
global.maxsock, global.maxconn, global.maxpipes,
actconn, pipes_used, pipes_used+pipes_free, read_freq_ctr(&global.conn_per_sec),
bps >= 1000000000UL ? (bps / 1000000000.0) : bps >= 1000000UL ? (bps / 1000000.0) : (bps / 1000.0),
bps >= 1000000000UL ? 'G' : bps >= 1000000UL ? 'M' : 'k',
total_run_queues(), total_allocated_tasks(), ti->idle_pct
);
/* scope_txt = search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
memcpy(scope_txt, scope_ptr, appctx->ctx.stats.scope_len);
scope_txt[appctx->ctx.stats.scope_len] = '\0';
chunk_appendf(&trash,
"<li><form method=\"GET\">Scope : <input value=\"%s\" name=\"" STAT_SCOPE_INPUT_NAME "\" size=\"8\" maxlength=\"%d\" tabindex=\"1\"/></form>\n",
(appctx->ctx.stats.scope_len > 0) ? scope_txt : "",
STAT_SCOPE_TXT_MAXLEN);
/* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
scope_txt[0] = 0;
if (appctx->ctx.stats.scope_len) {
strcpy(scope_txt, STAT_SCOPE_PATTERN);
memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, appctx->ctx.stats.scope_len);
scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
}
if (appctx->ctx.stats.flags & STAT_HIDE_DOWN)
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Show all servers</a><br>\n",
uri->uri_prefix,
"",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
else
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Hide 'DOWN' servers</a><br>\n",
uri->uri_prefix,
";up",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
if (uri->refresh > 0) {
if (appctx->ctx.stats.flags & STAT_NO_REFRESH)
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Enable refresh</a><br>\n",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
"",
scope_txt);
else
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Disable refresh</a><br>\n",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
";norefresh",
scope_txt);
}
chunk_appendf(&trash,
"<li><a href=\"%s%s%s%s\">Refresh now</a><br>\n",
uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
chunk_appendf(&trash,
"<li><a href=\"%s;csv%s%s\">CSV export</a><br>\n",
uri->uri_prefix,
(uri->refresh > 0) ? ";norefresh" : "",
scope_txt);
chunk_appendf(&trash,
"<li><a href=\"%s;json%s%s\">JSON export</a> (<a href=\"%s;json-schema\">schema</a>)<br>\n",
uri->uri_prefix,
(uri->refresh > 0) ? ";norefresh" : "",
scope_txt, uri->uri_prefix);
chunk_appendf(&trash,
"</ul></td>"
"<td align=\"left\" valign=\"top\" nowrap width=\"1%%\">"
"<b>External resources:</b><ul style=\"margin-top: 0.25em;\">\n"
"<li><a href=\"" PRODUCT_URL "\">Primary site</a><br>\n"
"<li><a href=\"" PRODUCT_URL_UPD "\">Updates (v" PRODUCT_BRANCH ")</a><br>\n"
"<li><a href=\"" PRODUCT_URL_DOC "\">Online manual</a><br>\n"
"</ul>"
"</td>"
"</tr></table>\n"
""
);
if (appctx->ctx.stats.st_code) {
switch (appctx->ctx.stats.st_code) {
case STAT_STATUS_DONE:
chunk_appendf(&trash,
"<p><div class=active_up>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Action processed successfully."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_NONE:
chunk_appendf(&trash,
"<p><div class=active_going_down>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Nothing has changed."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_PART:
chunk_appendf(&trash,
"<p><div class=active_going_down>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Action partially processed.<br>"
"Some server names are probably unknown or ambiguous (duplicated names in the backend)."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_ERRP:
chunk_appendf(&trash,
"<p><div class=active_down>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Action not processed because of invalid parameters."
"<ul>"
"<li>The action is maybe unknown.</li>"
"<li>Invalid key parameter (empty or too long).</li>"
"<li>The backend name is probably unknown or ambiguous (duplicated names).</li>"
"<li>Some server names are probably unknown or ambiguous (duplicated names in the backend).</li>"
"</ul>"
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_EXCD:
chunk_appendf(&trash,
"<p><div class=active_down>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"<b>Action not processed : the buffer couldn't store all the data.<br>"
"You should retry with less servers at a time.</b>"
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_DENY:
chunk_appendf(&trash,
"<p><div class=active_down>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"<b>Action denied.</b>"
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
case STAT_STATUS_IVAL:
chunk_appendf(&trash,
"<p><div class=active_down>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"<b>Invalid requests (unsupported method or chunked encoded request).</b>"
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
break;
default:
chunk_appendf(&trash,
"<p><div class=active_no_check>"
"<a class=lfsb href=\"%s%s%s%s\" title=\"Remove this message\">[X]</a> "
"Unexpected result."
"</div>\n", uri->uri_prefix,
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
}
chunk_appendf(&trash, "<p>\n");
}
}
/* Dumps the HTML stats trailer block to the trash. The caller is responsible
* for clearing the trash if needed.
*/
static void stats_dump_html_end()
{
chunk_appendf(&trash, "</body></html>\n");
}
/* Dumps the stats JSON header to the trash buffer which. The caller is responsible
* for clearing it if needed.
*/
static void stats_dump_json_header()
{
chunk_strcat(&trash, "[");
}
/* Dumps the JSON stats trailer block to the trash. The caller is responsible
* for clearing the trash if needed.
*/
static void stats_dump_json_end()
{
chunk_strcat(&trash, "]");
}
/* Uses <appctx.ctx.stats.obj1> as a pointer to the current proxy and <obj2> as
* a pointer to the current server/listener.
*/
static int stats_dump_proxies(struct stream_interface *si,
struct htx *htx,
struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
struct channel *rep = si_ic(si);
struct proxy *px;
/* dump proxies */
while (appctx->ctx.stats.obj1) {
if (htx) {
if (htx_almost_full(htx))
goto full;
}
else {
if (buffer_almost_full(&rep->buf))
goto full;
}
px = appctx->ctx.stats.obj1;
/* Skip the global frontend proxies and non-networked ones.
* Also skip proxies that were disabled in the configuration
* This change allows retrieving stats from "old" proxies after a reload.
*/
if (!(px->disabled & PR_DISABLED) && px->uuid > 0 &&
(px->cap & (PR_CAP_FE | PR_CAP_BE)) && !(px->cap & PR_CAP_INT)) {
if (stats_dump_proxy_to_buffer(si, htx, px, uri) == 0)
return 0;
}
appctx->ctx.stats.obj1 = px->next;
appctx->ctx.stats.px_st = STAT_PX_ST_INIT;
}
return 1;
full:
si_rx_room_blk(si);
return 0;
}
/* This function dumps statistics onto the stream interface's read buffer in
* either CSV or HTML format. <uri> contains some HTML-specific parameters that
* are ignored for CSV format (hence <uri> may be NULL there). It returns 0 if
* it had to stop writing data and an I/O is needed, 1 if the dump is finished
* and the stream must be closed, or -1 in case of any error. This function is
* used by both the CLI and the HTTP handlers.
*/
static int stats_dump_stat_to_buffer(struct stream_interface *si, struct htx *htx,
struct uri_auth *uri)
{
struct appctx *appctx = __objt_appctx(si->end);
struct channel *rep = si_ic(si);
enum stats_domain domain = appctx->ctx.stats.domain;
chunk_reset(&trash);
switch (appctx->st2) {
case STAT_ST_INIT:
appctx->st2 = STAT_ST_HEAD; /* let's start producing data */
/* fall through */
case STAT_ST_HEAD:
if (appctx->ctx.stats.flags & STAT_FMT_HTML)
stats_dump_html_head(appctx, uri);
else if (appctx->ctx.stats.flags & STAT_JSON_SCHM)
stats_dump_json_schema(&trash);
else if (appctx->ctx.stats.flags & STAT_FMT_JSON)
stats_dump_json_header();
else if (!(appctx->ctx.stats.flags & STAT_FMT_TYPED))
stats_dump_csv_header(appctx->ctx.stats.domain);
if (!stats_putchk(rep, htx, &trash))
goto full;
if (appctx->ctx.stats.flags & STAT_JSON_SCHM) {
appctx->st2 = STAT_ST_FIN;
return 1;
}
appctx->st2 = STAT_ST_INFO;
/* fall through */
case STAT_ST_INFO:
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
stats_dump_html_info(si, uri);
if (!stats_putchk(rep, htx, &trash))
goto full;
}
if (domain == STATS_DOMAIN_PROXY)
appctx->ctx.stats.obj1 = proxies_list;
appctx->ctx.stats.px_st = STAT_PX_ST_INIT;
appctx->st2 = STAT_ST_LIST;
/* fall through */
case STAT_ST_LIST:
switch (domain) {
case STATS_DOMAIN_DNS:
if (!stats_dump_resolvers(si, stat_l[domain],
stat_count[domain],
&stats_module_list[domain])) {
return 0;
}
break;
case STATS_DOMAIN_PROXY:
default:
/* dump proxies */
if (!stats_dump_proxies(si, htx, uri))
return 0;
break;
}
appctx->st2 = STAT_ST_END;
/* fall through */
case STAT_ST_END:
if (appctx->ctx.stats.flags & (STAT_FMT_HTML|STAT_FMT_JSON)) {
if (appctx->ctx.stats.flags & STAT_FMT_HTML)
stats_dump_html_end();
else
stats_dump_json_end();
if (!stats_putchk(rep, htx, &trash))
goto full;
}
appctx->st2 = STAT_ST_FIN;
/* fall through */
case STAT_ST_FIN:
return 1;
default:
/* unknown state ! */
appctx->st2 = STAT_ST_FIN;
return -1;
}
full:
si_rx_room_blk(si);
return 0;
}
/* We reached the stats page through a POST request. The appctx is
* expected to have already been allocated by the caller.
* Parse the posted data and enable/disable servers if necessary.
* Returns 1 if request was parsed or zero if it needs more data.
*/
static int stats_process_http_post(struct stream_interface *si)
{
struct stream *s = si_strm(si);
struct appctx *appctx = objt_appctx(si->end);
struct proxy *px = NULL;
struct server *sv = NULL;
char key[LINESIZE];
int action = ST_ADM_ACTION_NONE;
int reprocess = 0;
int total_servers = 0;
int altered_servers = 0;
char *first_param, *cur_param, *next_param, *end_params;
char *st_cur_param = NULL;
char *st_next_param = NULL;
struct buffer *temp = get_trash_chunk();
struct htx *htx = htxbuf(&s->req.buf);
struct htx_blk *blk;
/* we need more data */
if (s->txn->req.msg_state < HTTP_MSG_DONE) {
/* check if we can receive more */
if (htx_free_data_space(htx) <= global.tune.maxrewrite) {
appctx->ctx.stats.st_code = STAT_STATUS_EXCD;
goto out;
}
goto wait;
}
/* The request was fully received. Copy data */
blk = htx_get_head_blk(htx);
while (blk) {
enum htx_blk_type type = htx_get_blk_type(blk);
if (type == HTX_BLK_TLR || type == HTX_BLK_EOT)
break;
if (type == HTX_BLK_DATA) {
struct ist v = htx_get_blk_value(htx, blk);
if (!chunk_memcat(temp, v.ptr, v.len)) {
appctx->ctx.stats.st_code = STAT_STATUS_EXCD;
goto out;
}
}
blk = htx_get_next_blk(htx, blk);
}
first_param = temp->area;
end_params = temp->area + temp->data;
cur_param = next_param = end_params;
*end_params = '\0';
appctx->ctx.stats.st_code = STAT_STATUS_NONE;
/*
* Parse the parameters in reverse order to only store the last value.
* From the html form, the backend and the action are at the end.
*/
while (cur_param > first_param) {
char *value;
int poffset, plen;
cur_param--;
if ((*cur_param == '&') || (cur_param == first_param)) {
reprocess_servers:
/* Parse the key */
poffset = (cur_param != first_param ? 1 : 0);
plen = next_param - cur_param + (cur_param == first_param ? 1 : 0);
if ((plen > 0) && (plen <= sizeof(key))) {
strncpy(key, cur_param + poffset, plen);
key[plen - 1] = '\0';
} else {
appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
goto out;
}
/* Parse the value */
value = key;
while (*value != '\0' && *value != '=') {
value++;
}
if (*value == '=') {
/* Ok, a value is found, we can mark the end of the key */
*value++ = '\0';
}
if (url_decode(key, 1) < 0 || url_decode(value, 1) < 0)
break;
/* Now we can check the key to see what to do */
if (!px && (strcmp(key, "b") == 0)) {
if ((px = proxy_be_by_name(value)) == NULL) {
/* the backend name is unknown or ambiguous (duplicate names) */
appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
goto out;
}
}
else if (!action && (strcmp(key, "action") == 0)) {
if (strcmp(value, "ready") == 0) {
action = ST_ADM_ACTION_READY;
}
else if (strcmp(value, "drain") == 0) {
action = ST_ADM_ACTION_DRAIN;
}
else if (strcmp(value, "maint") == 0) {
action = ST_ADM_ACTION_MAINT;
}
else if (strcmp(value, "shutdown") == 0) {
action = ST_ADM_ACTION_SHUTDOWN;
}
else if (strcmp(value, "dhlth") == 0) {
action = ST_ADM_ACTION_DHLTH;
}
else if (strcmp(value, "ehlth") == 0) {
action = ST_ADM_ACTION_EHLTH;
}
else if (strcmp(value, "hrunn") == 0) {
action = ST_ADM_ACTION_HRUNN;
}
else if (strcmp(value, "hnolb") == 0) {
action = ST_ADM_ACTION_HNOLB;
}
else if (strcmp(value, "hdown") == 0) {
action = ST_ADM_ACTION_HDOWN;
}
else if (strcmp(value, "dagent") == 0) {
action = ST_ADM_ACTION_DAGENT;
}
else if (strcmp(value, "eagent") == 0) {
action = ST_ADM_ACTION_EAGENT;
}
else if (strcmp(value, "arunn") == 0) {
action = ST_ADM_ACTION_ARUNN;
}
else if (strcmp(value, "adown") == 0) {
action = ST_ADM_ACTION_ADOWN;
}
/* else these are the old supported methods */
else if (strcmp(value, "disable") == 0) {
action = ST_ADM_ACTION_DISABLE;
}
else if (strcmp(value, "enable") == 0) {
action = ST_ADM_ACTION_ENABLE;
}
else if (strcmp(value, "stop") == 0) {
action = ST_ADM_ACTION_STOP;
}
else if (strcmp(value, "start") == 0) {
action = ST_ADM_ACTION_START;
}
else {
appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
goto out;
}
}
else if (strcmp(key, "s") == 0) {
if (!(px && action)) {
/*
* Indicates that we'll need to reprocess the parameters
* as soon as backend and action are known
*/
if (!reprocess) {
st_cur_param = cur_param;
st_next_param = next_param;
}
reprocess = 1;
}
else if ((sv = findserver(px, value)) != NULL) {
HA_SPIN_LOCK(SERVER_LOCK, &sv->lock);
switch (action) {
case ST_ADM_ACTION_DISABLE:
if (!(sv->cur_admin & SRV_ADMF_FMAINT)) {
altered_servers++;
total_servers++;
srv_set_admin_flag(sv, SRV_ADMF_FMAINT, "'disable' on stats page");
}
break;
case ST_ADM_ACTION_ENABLE:
if (sv->cur_admin & SRV_ADMF_FMAINT) {
altered_servers++;
total_servers++;
srv_clr_admin_flag(sv, SRV_ADMF_FMAINT);
}
break;
case ST_ADM_ACTION_STOP:
if (!(sv->cur_admin & SRV_ADMF_FDRAIN)) {
srv_set_admin_flag(sv, SRV_ADMF_FDRAIN, "'stop' on stats page");
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_START:
if (sv->cur_admin & SRV_ADMF_FDRAIN) {
srv_clr_admin_flag(sv, SRV_ADMF_FDRAIN);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_DHLTH:
if (sv->check.state & CHK_ST_CONFIGURED) {
sv->check.state &= ~CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_EHLTH:
if (sv->check.state & CHK_ST_CONFIGURED) {
sv->check.state |= CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_HRUNN:
if (!(sv->track)) {
sv->check.health = sv->check.rise + sv->check.fall - 1;
srv_set_running(sv, "changed from Web interface", NULL);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_HNOLB:
if (!(sv->track)) {
sv->check.health = sv->check.rise + sv->check.fall - 1;
srv_set_stopping(sv, "changed from Web interface", NULL);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_HDOWN:
if (!(sv->track)) {
sv->check.health = 0;
srv_set_stopped(sv, "changed from Web interface", NULL);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_DAGENT:
if (sv->agent.state & CHK_ST_CONFIGURED) {
sv->agent.state &= ~CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_EAGENT:
if (sv->agent.state & CHK_ST_CONFIGURED) {
sv->agent.state |= CHK_ST_ENABLED;
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_ARUNN:
if (sv->agent.state & CHK_ST_ENABLED) {
sv->agent.health = sv->agent.rise + sv->agent.fall - 1;
srv_set_running(sv, "changed from Web interface", NULL);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_ADOWN:
if (sv->agent.state & CHK_ST_ENABLED) {
sv->agent.health = 0;
srv_set_stopped(sv, "changed from Web interface", NULL);
altered_servers++;
total_servers++;
}
break;
case ST_ADM_ACTION_READY:
srv_adm_set_ready(sv);
altered_servers++;
total_servers++;
break;
case ST_ADM_ACTION_DRAIN:
srv_adm_set_drain(sv);
altered_servers++;
total_servers++;
break;
case ST_ADM_ACTION_MAINT:
srv_adm_set_maint(sv);
altered_servers++;
total_servers++;
break;
case ST_ADM_ACTION_SHUTDOWN:
if (!px->disabled) {
srv_shutdown_streams(sv, SF_ERR_KILLED);
altered_servers++;
total_servers++;
}
break;
}
HA_SPIN_UNLOCK(SERVER_LOCK, &sv->lock);
} else {
/* the server name is unknown or ambiguous (duplicate names) */
total_servers++;
}
}
if (reprocess && px && action) {
/* Now, we know the backend and the action chosen by the user.
* We can safely restart from the first server parameter
* to reprocess them
*/
cur_param = st_cur_param;
next_param = st_next_param;
reprocess = 0;
goto reprocess_servers;
}
next_param = cur_param;
}
}
if (total_servers == 0) {
appctx->ctx.stats.st_code = STAT_STATUS_NONE;
}
else if (altered_servers == 0) {
appctx->ctx.stats.st_code = STAT_STATUS_ERRP;
}
else if (altered_servers == total_servers) {
appctx->ctx.stats.st_code = STAT_STATUS_DONE;
}
else {
appctx->ctx.stats.st_code = STAT_STATUS_PART;
}
out:
return 1;
wait:
appctx->ctx.stats.st_code = STAT_STATUS_NONE;
return 0;
}
static int stats_send_http_headers(struct stream_interface *si, struct htx *htx)
{
struct stream *s = si_strm(si);
struct uri_auth *uri = s->be->uri_auth;
struct appctx *appctx = __objt_appctx(si->end);
struct htx_sl *sl;
unsigned int flags;
flags = (HTX_SL_F_IS_RESP|HTX_SL_F_VER_11|HTX_SL_F_XFER_ENC|HTX_SL_F_XFER_LEN|HTX_SL_F_CHNK);
sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("200"), ist("OK"));
if (!sl)
goto full;
sl->info.res.status = 200;
if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")))
goto full;
if (appctx->ctx.stats.flags & STAT_FMT_HTML) {
if (!htx_add_header(htx, ist("Content-Type"), ist("text/html")))
goto full;
}
else if (appctx->ctx.stats.flags & (STAT_FMT_JSON|STAT_JSON_SCHM)) {
if (!htx_add_header(htx, ist("Content-Type"), ist("application/json")))
goto full;
}
else {
if (!htx_add_header(htx, ist("Content-Type"), ist("text/plain")))
goto full;
}
if (uri->refresh > 0 && !(appctx->ctx.stats.flags & STAT_NO_REFRESH)) {
const char *refresh = U2A(uri->refresh);
if (!htx_add_header(htx, ist("Refresh"), ist(refresh)))
goto full;
}
if (appctx->ctx.stats.flags & STAT_CHUNKED) {
if (!htx_add_header(htx, ist("Transfer-Encoding"), ist("chunked")))
goto full;
}
if (!htx_add_endof(htx, HTX_BLK_EOH))
goto full;
channel_add_input(&s->res, htx->data);
return 1;
full:
htx_reset(htx);
si_rx_room_blk(si);
return 0;
}
static int stats_send_http_redirect(struct stream_interface *si, struct htx *htx)
{
char scope_txt[STAT_SCOPE_TXT_MAXLEN + sizeof STAT_SCOPE_PATTERN];
struct stream *s = si_strm(si);
struct uri_auth *uri = s->be->uri_auth;
struct appctx *appctx = __objt_appctx(si->end);
struct htx_sl *sl;
unsigned int flags;
/* scope_txt = search pattern + search query, appctx->ctx.stats.scope_len is always <= STAT_SCOPE_TXT_MAXLEN */
scope_txt[0] = 0;
if (appctx->ctx.stats.scope_len) {
const char *scope_ptr = stats_scope_ptr(appctx, si);
strcpy(scope_txt, STAT_SCOPE_PATTERN);
memcpy(scope_txt + strlen(STAT_SCOPE_PATTERN), scope_ptr, appctx->ctx.stats.scope_len);
scope_txt[strlen(STAT_SCOPE_PATTERN) + appctx->ctx.stats.scope_len] = 0;
}
/* We don't want to land on the posted stats page because a refresh will
* repost the data. We don't want this to happen on accident so we redirect
* the browse to the stats page with a GET.
*/
chunk_printf(&trash, "%s;st=%s%s%s%s",
uri->uri_prefix,
((appctx->ctx.stats.st_code > STAT_STATUS_INIT) &&
(appctx->ctx.stats.st_code < STAT_STATUS_SIZE) &&
stat_status_codes[appctx->ctx.stats.st_code]) ?
stat_status_codes[appctx->ctx.stats.st_code] :
stat_status_codes[STAT_STATUS_UNKN],
(appctx->ctx.stats.flags & STAT_HIDE_DOWN) ? ";up" : "",
(appctx->ctx.stats.flags & STAT_NO_REFRESH) ? ";norefresh" : "",
scope_txt);
flags = (HTX_SL_F_IS_RESP|HTX_SL_F_VER_11|HTX_SL_F_XFER_LEN|HTX_SL_F_CHNK);
sl = htx_add_stline(htx, HTX_BLK_RES_SL, flags, ist("HTTP/1.1"), ist("303"), ist("See Other"));
if (!sl)
goto full;
sl->info.res.status = 303;
if (!htx_add_header(htx, ist("Cache-Control"), ist("no-cache")) ||
!htx_add_header(htx, ist("Content-Type"), ist("text/plain")) ||
!htx_add_header(htx, ist("Content-Length"), ist("0")) ||
!htx_add_header(htx, ist("Location"), ist2(trash.area, trash.data)))
goto full;
if (!htx_add_endof(htx, HTX_BLK_EOH))
goto full;
channel_add_input(&s->res, htx->data);
return 1;
full:
htx_reset(htx);
si_rx_room_blk(si);
return 0;
}
/* This I/O handler runs as an applet embedded in a stream interface. It is
* used to send HTTP stats over a TCP socket. The mechanism is very simple.
* appctx->st0 contains the operation in progress (dump, done). The handler
* automatically unregisters itself once transfer is complete.
*/
static void http_stats_io_handler(struct appctx *appctx)
{
struct stream_interface *si = appctx->owner;
struct stream *s = si_strm(si);
struct channel *req = si_oc(si);
struct channel *res = si_ic(si);
struct htx *req_htx, *res_htx;
/* only proxy stats are available via http */
appctx->ctx.stats.domain = STATS_DOMAIN_PROXY;
res_htx = htx_from_buf(&res->buf);
if (unlikely(si->state == SI_ST_DIS || si->state == SI_ST_CLO))
goto out;
/* Check if the input buffer is available. */
if (!b_size(&res->buf)) {
si_rx_room_blk(si);
goto out;
}
/* check that the output is not closed */
if (res->flags & (CF_SHUTW|CF_SHUTW_NOW|CF_SHUTR))
appctx->st0 = STAT_HTTP_END;
/* all states are processed in sequence */
if (appctx->st0 == STAT_HTTP_HEAD) {
if (stats_send_http_headers(si, res_htx)) {
if (s->txn->meth == HTTP_METH_HEAD)
appctx->st0 = STAT_HTTP_DONE;
else
appctx->st0 = STAT_HTTP_DUMP;
}
}
if (appctx->st0 == STAT_HTTP_DUMP) {
if (stats_dump_stat_to_buffer(si, res_htx, s->be->uri_auth))
appctx->st0 = STAT_HTTP_DONE;
}
if (appctx->st0 == STAT_HTTP_POST) {
if (stats_process_http_post(si))
appctx->st0 = STAT_HTTP_LAST;
else if (req->flags & CF_SHUTR)
appctx->st0 = STAT_HTTP_DONE;
}
if (appctx->st0 == STAT_HTTP_LAST) {
if (stats_send_http_redirect(si, res_htx))
appctx->st0 = STAT_HTTP_DONE;
}
if (appctx->st0 == STAT_HTTP_DONE) {
/* no more data are expected. Don't add TLR because mux-h1 will take care of it */
res_htx->flags |= HTX_FL_EOM;
appctx->st0 = STAT_HTTP_END;
}
if (appctx->st0 == STAT_HTTP_END) {
if (!(res->flags & CF_SHUTR)) {
res->flags |= CF_READ_NULL;
si_shutr(si);
}
/* eat the whole request */
if (co_data(req)) {
req_htx = htx_from_buf(&req->buf);
co_htx_skip(req, req_htx, co_data(req));
htx_to_buf(req_htx, &req->buf);
}
}
out:
/* we have left the request in the buffer for the case where we
* process a POST, and this automatically re-enables activity on
* read. It's better to indicate that we want to stop reading when
* we're sending, so that we know there's at most one direction
* deciding to wake the applet up. It saves it from looping when
* emitting large blocks into small TCP windows.
*/
htx_to_buf(res_htx, &res->buf);
if (!channel_is_empty(res))
si_stop_get(si);
}
/* Dump all fields from <info> into <out> using the "show info" format (name: value) */
static int stats_dump_info_fields(struct buffer *out,
const struct field *info, unsigned int flags)
{
int field;
for (field = 0; field < INF_TOTAL_FIELDS; field++) {
if (!field_format(info, field))
continue;
if (!chunk_appendf(out, "%s: ", info_fields[field].name))
return 0;
if (!stats_emit_raw_data_field(out, &info[field]))
return 0;
if ((flags & STAT_SHOW_FDESC) && !chunk_appendf(out, ":\"%s\"", info_fields[field].desc))
return 0;
if (!chunk_strcat(out, "\n"))
return 0;
}
return 1;
}
/* Dump all fields from <info> into <out> using the "show info typed" format */
static int stats_dump_typed_info_fields(struct buffer *out,
const struct field *info, unsigned int flags)
{
int field;
for (field = 0; field < INF_TOTAL_FIELDS; field++) {
if (!field_format(info, field))
continue;
if (!chunk_appendf(out, "%d.%s.%u:", field, info_fields[field].name, info[INF_PROCESS_NUM].u.u32))
return 0;
if (!stats_emit_field_tags(out, &info[field], ':'))
return 0;
if (!stats_emit_typed_data_field(out, &info[field]))
return 0;
if ((flags & STAT_SHOW_FDESC) && !chunk_appendf(out, ":\"%s\"", info_fields[field].desc))
return 0;
if (!chunk_strcat(out, "\n"))
return 0;
}
return 1;
}
/* Fill <info> with HAProxy global info. <info> is preallocated array of length
* <len>. The length of the array must be INF_TOTAL_FIELDS. If this length is
* less then this value, the function returns 0, otherwise, it returns 1. Some
* fields' presence or precision may depend on some of the STAT_* flags present
* in <flags>.
*/
int stats_fill_info(struct field *info, int len, uint flags)
{
struct timeval up;
struct buffer *out = get_trash_chunk();
#ifdef USE_OPENSSL
double ssl_sess_rate = read_freq_ctr_flt(&global.ssl_per_sec);
double ssl_key_rate = read_freq_ctr_flt(&global.ssl_fe_keys_per_sec);
double ssl_reuse = 0;
if (ssl_key_rate < ssl_sess_rate)
ssl_reuse = 100.0 * (1.0 - ssl_key_rate / ssl_sess_rate);
#endif
tv_remain(&start_date, &now, &up);
if (len < INF_TOTAL_FIELDS)
return 0;
chunk_reset(out);
memset(info, 0, sizeof(*info) * len);
info[INF_NAME] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, PRODUCT_NAME);
info[INF_VERSION] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_version);
info[INF_BUILD_INFO] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_version);
info[INF_RELEASE_DATE] = mkf_str(FO_PRODUCT|FN_OUTPUT|FS_SERVICE, haproxy_date);
info[INF_NBTHREAD] = mkf_u32(FO_CONFIG|FS_SERVICE, global.nbthread);
info[INF_NBPROC] = mkf_u32(FO_CONFIG|FS_SERVICE, 1);
info[INF_PROCESS_NUM] = mkf_u32(FO_KEY, 1);
info[INF_PID] = mkf_u32(FO_STATUS, pid);
info[INF_UPTIME] = mkf_str(FN_DURATION, chunk_newstr(out));
chunk_appendf(out, "%ud %uh%02um%02us", (uint)up.tv_sec / 86400, ((uint)up.tv_sec % 86400) / 3600, ((uint)up.tv_sec % 3600) / 60, ((uint)up.tv_sec % 60));
info[INF_UPTIME_SEC] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_DURATION, up.tv_sec + up.tv_usec / 1000000.0) : mkf_u32(FN_DURATION, up.tv_sec);
info[INF_START_TIME_SEC] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_DURATION, start_date.tv_sec + start_date.tv_usec / 1000000.0) : mkf_u32(FN_DURATION, start_date.tv_sec);
info[INF_MEMMAX_MB] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax);
info[INF_MEMMAX_BYTES] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_memmax * 1048576L);
info[INF_POOL_ALLOC_MB] = mkf_u32(0, (unsigned)(pool_total_allocated() / 1048576L));
info[INF_POOL_ALLOC_BYTES] = mkf_u32(0, pool_total_allocated());
info[INF_POOL_USED_MB] = mkf_u32(0, (unsigned)(pool_total_used() / 1048576L));
info[INF_POOL_USED_BYTES] = mkf_u32(0, pool_total_used());
info[INF_POOL_FAILED] = mkf_u32(FN_COUNTER, pool_total_failures());
info[INF_ULIMIT_N] = mkf_u32(FO_CONFIG|FN_LIMIT, global.rlimit_nofile);
info[INF_MAXSOCK] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxsock);
info[INF_MAXCONN] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxconn);
info[INF_HARD_MAXCONN] = mkf_u32(FO_CONFIG|FN_LIMIT, global.hardmaxconn);
info[INF_CURR_CONN] = mkf_u32(0, actconn);
info[INF_CUM_CONN] = mkf_u32(FN_COUNTER, totalconn);
info[INF_CUM_REQ] = mkf_u32(FN_COUNTER, global.req_count);
#ifdef USE_OPENSSL
info[INF_MAX_SSL_CONNS] = mkf_u32(FN_MAX, global.maxsslconn);
info[INF_CURR_SSL_CONNS] = mkf_u32(0, sslconns);
info[INF_CUM_SSL_CONNS] = mkf_u32(FN_COUNTER, totalsslconns);
#endif
info[INF_MAXPIPES] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxpipes);
info[INF_PIPES_USED] = mkf_u32(0, pipes_used);
info[INF_PIPES_FREE] = mkf_u32(0, pipes_free);
info[INF_CONN_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.conn_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.conn_per_sec));
info[INF_CONN_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.cps_lim);
info[INF_MAX_CONN_RATE] = mkf_u32(FN_MAX, global.cps_max);
info[INF_SESS_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.sess_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.sess_per_sec));
info[INF_SESS_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.sps_lim);
info[INF_MAX_SESS_RATE] = mkf_u32(FN_RATE, global.sps_max);
#ifdef USE_OPENSSL
info[INF_SSL_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_sess_rate) : mkf_u32(FN_RATE, ssl_sess_rate);
info[INF_SSL_RATE_LIMIT] = mkf_u32(FO_CONFIG|FN_LIMIT, global.ssl_lim);
info[INF_MAX_SSL_RATE] = mkf_u32(FN_MAX, global.ssl_max);
info[INF_SSL_FRONTEND_KEY_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_key_rate) : mkf_u32(0, ssl_key_rate);
info[INF_SSL_FRONTEND_MAX_KEY_RATE] = mkf_u32(FN_MAX, global.ssl_fe_keys_max);
info[INF_SSL_FRONTEND_SESSION_REUSE_PCT] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, ssl_reuse) : mkf_u32(0, ssl_reuse);
info[INF_SSL_BACKEND_KEY_RATE] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.ssl_be_keys_per_sec)) : mkf_u32(FN_RATE, read_freq_ctr(&global.ssl_be_keys_per_sec));
info[INF_SSL_BACKEND_MAX_KEY_RATE] = mkf_u32(FN_MAX, global.ssl_be_keys_max);
info[INF_SSL_CACHE_LOOKUPS] = mkf_u32(FN_COUNTER, global.shctx_lookups);
info[INF_SSL_CACHE_MISSES] = mkf_u32(FN_COUNTER, global.shctx_misses);
#endif
info[INF_COMPRESS_BPS_IN] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.comp_bps_in)) : mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_in));
info[INF_COMPRESS_BPS_OUT] = (flags & STAT_USE_FLOAT) ? mkf_flt(FN_RATE, read_freq_ctr_flt(&global.comp_bps_out)) : mkf_u32(FN_RATE, read_freq_ctr(&global.comp_bps_out));
info[INF_COMPRESS_BPS_RATE_LIM] = mkf_u32(FO_CONFIG|FN_LIMIT, global.comp_rate_lim);
#ifdef USE_ZLIB
info[INF_ZLIB_MEM_USAGE] = mkf_u32(0, zlib_used_memory);
info[INF_MAX_ZLIB_MEM_USAGE] = mkf_u32(FO_CONFIG|FN_LIMIT, global.maxzlibmem);
#endif
info[INF_TASKS] = mkf_u32(0, total_allocated_tasks());
info[INF_RUN_QUEUE] = mkf_u32(0, total_run_queues());
info[INF_IDLE_PCT] = mkf_u32(FN_AVG, ti->idle_pct);
info[INF_NODE] = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.node);
if (global.desc)
info[INF_DESCRIPTION] = mkf_str(FO_CONFIG|FN_OUTPUT|FS_SERVICE, global.desc);
info[INF_STOPPING] = mkf_u32(0, stopping);
info[INF_JOBS] = mkf_u32(0, jobs);
info[INF_UNSTOPPABLE_JOBS] = mkf_u32(0, unstoppable_jobs);
info[INF_LISTENERS] = mkf_u32(0, listeners);
info[INF_ACTIVE_PEERS] = mkf_u32(0, active_peers);
info[INF_CONNECTED_PEERS] = mkf_u32(0, connected_peers);
info[INF_DROPPED_LOGS] = mkf_u32(0, dropped_logs);
info[INF_BUSY_POLLING] = mkf_u32(0, !!(global.tune.options & GTUNE_BUSY_POLLING));
info[INF_FAILED_RESOLUTIONS] = mkf_u32(0, resolv_failed_resolutions);
info[INF_TOTAL_BYTES_OUT] = mkf_u64(0, global.out_bytes);
info[INF_TOTAL_SPLICED_BYTES_OUT] = mkf_u64(0, global.spliced_out_bytes);
info[INF_BYTES_OUT_RATE] = mkf_u64(FN_RATE, (unsigned long long)read_freq_ctr(&global.out_32bps) * 32);
info[INF_DEBUG_COMMANDS_ISSUED] = mkf_u32(0, debug_commands_issued);
info[INF_CUM_LOG_MSGS] = mkf_u32(FN_COUNTER, cum_log_messages);
info[INF_TAINTED] = mkf_str(FO_STATUS, chunk_newstr(out));
chunk_appendf(out, "%#x", get_tainted());
return 1;
}
/* This function dumps information onto the stream interface's read buffer.
* It returns 0 as long as it does not complete, non-zero upon completion.
* No state is used.
*/
static int stats_dump_info_to_buffer(struct stream_interface *si)
{
struct appctx *appctx = __objt_appctx(si->end);
if (!stats_fill_info(info, INF_TOTAL_FIELDS, appctx->ctx.stats.flags))
return 0;
chunk_reset(&trash);
if (appctx->ctx.stats.flags & STAT_FMT_TYPED)
stats_dump_typed_info_fields(&trash, info, appctx->ctx.stats.flags);
else if (appctx->ctx.stats.flags & STAT_FMT_JSON)
stats_dump_json_info_fields(&trash, info, appctx->ctx.stats.flags);
else
stats_dump_info_fields(&trash, info, appctx->ctx.stats.flags);
if (ci_putchk(si_ic(si), &trash) == -1) {
si_rx_room_blk(si);
return 0;
}
return 1;
}
/* This function dumps the schema onto the stream interface's read buffer.
* It returns 0 as long as it does not complete, non-zero upon completion.
* No state is used.
*
* Integer values bounded to the range [-(2**53)+1, (2**53)-1] as
* per the recommendation for interoperable integers in section 6 of RFC 7159.
*/
static void stats_dump_json_schema(struct buffer *out)
{
int old_len = out->data;
chunk_strcat(out,
"{"
"\"$schema\":\"http://json-schema.org/draft-04/schema#\","
"\"oneOf\":["
"{"
"\"title\":\"Info\","
"\"type\":\"array\","
"\"items\":{"
"\"title\":\"InfoItem\","
"\"type\":\"object\","
"\"properties\":{"
"\"field\":{\"$ref\":\"#/definitions/field\"},"
"\"processNum\":{\"$ref\":\"#/definitions/processNum\"},"
"\"tags\":{\"$ref\":\"#/definitions/tags\"},"
"\"value\":{\"$ref\":\"#/definitions/typedValue\"}"
"},"
"\"required\":[\"field\",\"processNum\",\"tags\","
"\"value\"]"
"}"
"},"
"{"
"\"title\":\"Stat\","
"\"type\":\"array\","
"\"items\":{"
"\"title\":\"InfoItem\","
"\"type\":\"object\","
"\"properties\":{"
"\"objType\":{"
"\"enum\":[\"Frontend\",\"Backend\",\"Listener\","
"\"Server\",\"Unknown\"]"
"},"
"\"proxyId\":{"
"\"type\":\"integer\","
"\"minimum\":0"
"},"
"\"id\":{"
"\"type\":\"integer\","
"\"minimum\":0"
"},"
"\"field\":{\"$ref\":\"#/definitions/field\"},"
"\"processNum\":{\"$ref\":\"#/definitions/processNum\"},"
"\"tags\":{\"$ref\":\"#/definitions/tags\"},"
"\"typedValue\":{\"$ref\":\"#/definitions/typedValue\"}"
"},"
"\"required\":[\"objType\",\"proxyId\",\"id\","
"\"field\",\"processNum\",\"tags\","
"\"value\"]"
"}"
"},"
"{"
"\"title\":\"Error\","
"\"type\":\"object\","
"\"properties\":{"
"\"errorStr\":{"
"\"type\":\"string\""
"}"
"},"
"\"required\":[\"errorStr\"]"
"}"
"],"
"\"definitions\":{"
"\"field\":{"
"\"type\":\"object\","
"\"pos\":{"
"\"type\":\"integer\","
"\"minimum\":0"
"},"
"\"name\":{"
"\"type\":\"string\""
"},"
"\"required\":[\"pos\",\"name\"]"
"},"
"\"processNum\":{"
"\"type\":\"integer\","
"\"minimum\":1"
"},"
"\"tags\":{"
"\"type\":\"object\","
"\"origin\":{"
"\"type\":\"string\","
"\"enum\":[\"Metric\",\"Status\",\"Key\","
"\"Config\",\"Product\",\"Unknown\"]"
"},"
"\"nature\":{"
"\"type\":\"string\","
"\"enum\":[\"Gauge\",\"Limit\",\"Min\",\"Max\","
"\"Rate\",\"Counter\",\"Duration\","
"\"Age\",\"Time\",\"Name\",\"Output\","
"\"Avg\", \"Unknown\"]"
"},"
"\"scope\":{"
"\"type\":\"string\","
"\"enum\":[\"Cluster\",\"Process\",\"Service\","
"\"System\",\"Unknown\"]"
"},"
"\"required\":[\"origin\",\"nature\",\"scope\"]"
"},"
"\"typedValue\":{"
"\"type\":\"object\","
"\"oneOf\":["
"{\"$ref\":\"#/definitions/typedValue/definitions/s32Value\"},"
"{\"$ref\":\"#/definitions/typedValue/definitions/s64Value\"},"
"{\"$ref\":\"#/definitions/typedValue/definitions/u32Value\"},"
"{\"$ref\":\"#/definitions/typedValue/definitions/u64Value\"},"
"{\"$ref\":\"#/definitions/typedValue/definitions/strValue\"}"
"],"
"\"definitions\":{"
"\"s32Value\":{"
"\"properties\":{"
"\"type\":{"
"\"type\":\"string\","
"\"enum\":[\"s32\"]"
"},"
"\"value\":{"
"\"type\":\"integer\","
"\"minimum\":-2147483648,"
"\"maximum\":2147483647"
"}"
"},"
"\"required\":[\"type\",\"value\"]"
"},"
"\"s64Value\":{"
"\"properties\":{"
"\"type\":{"
"\"type\":\"string\","
"\"enum\":[\"s64\"]"
"},"
"\"value\":{"
"\"type\":\"integer\","
"\"minimum\":-9007199254740991,"
"\"maximum\":9007199254740991"
"}"
"},"
"\"required\":[\"type\",\"value\"]"
"},"
"\"u32Value\":{"
"\"properties\":{"
"\"type\":{"
"\"type\":\"string\","
"\"enum\":[\"u32\"]"
"},"
"\"value\":{"
"\"type\":\"integer\","
"\"minimum\":0,"
"\"maximum\":4294967295"
"}"
"},"
"\"required\":[\"type\",\"value\"]"
"},"
"\"u64Value\":{"
"\"properties\":{"
"\"type\":{"
"\"type\":\"string\","
"\"enum\":[\"u64\"]"
"},"
"\"value\":{"
"\"type\":\"integer\","
"\"minimum\":0,"
"\"maximum\":9007199254740991"
"}"
"},"
"\"required\":[\"type\",\"value\"]"
"},"
"\"strValue\":{"
"\"properties\":{"
"\"type\":{"
"\"type\":\"string\","
"\"enum\":[\"str\"]"
"},"
"\"value\":{\"type\":\"string\"}"
"},"
"\"required\":[\"type\",\"value\"]"
"},"
"\"unknownValue\":{"
"\"properties\":{"
"\"type\":{"
"\"type\":\"integer\","
"\"minimum\":0"
"},"
"\"value\":{"
"\"type\":\"string\","
"\"enum\":[\"unknown\"]"
"}"
"},"
"\"required\":[\"type\",\"value\"]"
"}"
"}"
"}"
"}"
"}");
if (old_len == out->data) {
chunk_reset(out);
chunk_appendf(out,
"{\"errorStr\":\"output buffer too short\"}");
}
}
/* This function dumps the schema onto the stream interface's read buffer.
* It returns 0 as long as it does not complete, non-zero upon completion.
* No state is used.
*/
static int stats_dump_json_schema_to_buffer(struct stream_interface *si)
{
chunk_reset(&trash);
stats_dump_json_schema(&trash);
if (ci_putchk(si_ic(si), &trash) == -1) {
si_rx_room_blk(si);
return 0;
}
return 1;
}
static int cli_parse_clear_counters(char **args, char *payload, struct appctx *appctx, void *private)
{
struct proxy *px;
struct server *sv;
struct listener *li;
struct stats_module *mod;
int clrall = 0;
if (strcmp(args[2], "all") == 0)
clrall = 1;
/* check permissions */
if (!cli_has_level(appctx, ACCESS_LVL_OPER) ||
(clrall && !cli_has_level(appctx, ACCESS_LVL_ADMIN)))
return 1;
for (px = proxies_list; px; px = px->next) {
if (clrall) {
memset(&px->be_counters, 0, sizeof(px->be_counters));
memset(&px->fe_counters, 0, sizeof(px->fe_counters));
}
else {
px->be_counters.conn_max = 0;
px->be_counters.p.http.rps_max = 0;
px->be_counters.sps_max = 0;
px->be_counters.cps_max = 0;
px->be_counters.nbpend_max = 0;
px->be_counters.qtime_max = 0;
px->be_counters.ctime_max = 0;
px->be_counters.dtime_max = 0;
px->be_counters.ttime_max = 0;
px->fe_counters.conn_max = 0;
px->fe_counters.p.http.rps_max = 0;
px->fe_counters.sps_max = 0;
px->fe_counters.cps_max = 0;
}
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;
sv->counters.qtime_max = 0;
sv->counters.ctime_max = 0;
sv->counters.dtime_max = 0;
sv->counters.ttime_max = 0;
}
list_for_each_entry(li, &px->conf.listeners, by_fe)
if (li->counters) {
if (clrall)
memset(li->counters, 0, sizeof(*li->counters));
else
li->counters->conn_max = 0;
}
}
global.cps_max = 0;
global.sps_max = 0;
global.ssl_max = 0;
global.ssl_fe_keys_max = 0;
global.ssl_be_keys_max = 0;
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
if (!mod->clearable && !clrall)
continue;
for (px = proxies_list; px; px = px->next) {
enum stats_domain_px_cap mod_cap = stats_px_get_cap(mod->domain_flags);
if (px->cap & PR_CAP_FE && mod_cap & STATS_PX_CAP_FE) {
EXTRA_COUNTERS_INIT(px->extra_counters_fe,
mod,
mod->counters,
mod->counters_size);
}
if (px->cap & PR_CAP_BE && mod_cap & STATS_PX_CAP_BE) {
EXTRA_COUNTERS_INIT(px->extra_counters_be,
mod,
mod->counters,
mod->counters_size);
}
if (mod_cap & STATS_PX_CAP_SRV) {
for (sv = px->srv; sv; sv = sv->next) {
EXTRA_COUNTERS_INIT(sv->extra_counters,
mod,
mod->counters,
mod->counters_size);
}
}
if (mod_cap & STATS_PX_CAP_LI) {
list_for_each_entry(li, &px->conf.listeners, by_fe) {
EXTRA_COUNTERS_INIT(li->extra_counters,
mod,
mod->counters,
mod->counters_size);
}
}
}
}
resolv_stats_clear_counters(clrall, &stats_module_list[STATS_DOMAIN_DNS]);
memset(activity, 0, sizeof(activity));
return 1;
}
static int cli_parse_show_info(char **args, char *payload, struct appctx *appctx, void *private)
{
int arg = 2;
appctx->ctx.stats.scope_str = 0;
appctx->ctx.stats.scope_len = 0;
appctx->ctx.stats.flags = 0;
while (*args[arg]) {
if (strcmp(args[arg], "typed") == 0)
appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_TYPED;
else if (strcmp(args[arg], "json") == 0)
appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_JSON;
else if (strcmp(args[arg], "desc") == 0)
appctx->ctx.stats.flags |= STAT_SHOW_FDESC;
else if (strcmp(args[arg], "float") == 0)
appctx->ctx.stats.flags |= STAT_USE_FLOAT;
arg++;
}
return 0;
}
static int cli_parse_show_stat(char **args, char *payload, struct appctx *appctx, void *private)
{
int arg = 2;
appctx->ctx.stats.scope_str = 0;
appctx->ctx.stats.scope_len = 0;
appctx->ctx.stats.flags = STAT_SHNODE | STAT_SHDESC;
if ((strm_li(si_strm(appctx->owner))->bind_conf->level & ACCESS_LVL_MASK) >= ACCESS_LVL_OPER)
appctx->ctx.stats.flags |= STAT_SHLGNDS;
/* proxy is the default domain */
appctx->ctx.stats.domain = STATS_DOMAIN_PROXY;
if (strcmp(args[arg], "domain") == 0) {
++args;
if (strcmp(args[arg], "proxy") == 0) {
++args;
} else if (strcmp(args[arg], "dns") == 0) {
appctx->ctx.stats.domain = STATS_DOMAIN_DNS;
++args;
} else {
return cli_err(appctx, "Invalid statistics domain.\n");
}
}
if (appctx->ctx.stats.domain == STATS_DOMAIN_PROXY
&& *args[arg] && *args[arg+1] && *args[arg+2]) {
struct proxy *px;
px = proxy_find_by_name(args[arg], 0, 0);
if (px)
appctx->ctx.stats.iid = px->uuid;
else
appctx->ctx.stats.iid = atoi(args[arg]);
if (!appctx->ctx.stats.iid)
return cli_err(appctx, "No such proxy.\n");
appctx->ctx.stats.flags |= STAT_BOUND;
appctx->ctx.stats.type = atoi(args[arg+1]);
appctx->ctx.stats.sid = atoi(args[arg+2]);
arg += 3;
}
while (*args[arg]) {
if (strcmp(args[arg], "typed") == 0)
appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_TYPED;
else if (strcmp(args[arg], "json") == 0)
appctx->ctx.stats.flags = (appctx->ctx.stats.flags & ~STAT_FMT_MASK) | STAT_FMT_JSON;
else if (strcmp(args[arg], "desc") == 0)
appctx->ctx.stats.flags |= STAT_SHOW_FDESC;
else if (strcmp(args[arg], "no-maint") == 0)
appctx->ctx.stats.flags |= STAT_HIDE_MAINT;
else if (strcmp(args[arg], "up") == 0)
appctx->ctx.stats.flags |= STAT_HIDE_DOWN;
arg++;
}
return 0;
}
static int cli_io_handler_dump_info(struct appctx *appctx)
{
return stats_dump_info_to_buffer(appctx->owner);
}
/* This I/O handler runs as an applet embedded in a stream interface. It is
* used to send raw stats over a socket.
*/
static int cli_io_handler_dump_stat(struct appctx *appctx)
{
return stats_dump_stat_to_buffer(appctx->owner, NULL, NULL);
}
static int cli_io_handler_dump_json_schema(struct appctx *appctx)
{
return stats_dump_json_schema_to_buffer(appctx->owner);
}
int stats_allocate_proxy_counters_internal(struct extra_counters **counters,
int type, int px_cap)
{
struct stats_module *mod;
EXTRA_COUNTERS_REGISTER(counters, type, alloc_failed);
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
if (!(stats_px_get_cap(mod->domain_flags) & px_cap))
continue;
EXTRA_COUNTERS_ADD(mod, *counters, mod->counters, mod->counters_size);
}
EXTRA_COUNTERS_ALLOC(*counters, alloc_failed);
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
if (!(stats_px_get_cap(mod->domain_flags) & px_cap))
continue;
EXTRA_COUNTERS_INIT(*counters, mod, mod->counters, mod->counters_size);
}
return 1;
alloc_failed:
return 0;
}
/* Initialize and allocate all extra counters for a proxy and its attached
* servers/listeners with all already registered stats module
*/
int stats_allocate_proxy_counters(struct proxy *px)
{
struct server *sv;
struct listener *li;
if (px->cap & PR_CAP_FE) {
if (!stats_allocate_proxy_counters_internal(&px->extra_counters_fe,
COUNTERS_FE,
STATS_PX_CAP_FE)) {
return 0;
}
}
if (px->cap & PR_CAP_BE) {
if (!stats_allocate_proxy_counters_internal(&px->extra_counters_be,
COUNTERS_BE,
STATS_PX_CAP_BE)) {
return 0;
}
}
for (sv = px->srv; sv; sv = sv->next) {
if (!stats_allocate_proxy_counters_internal(&sv->extra_counters,
COUNTERS_SV,
STATS_PX_CAP_SRV)) {
return 0;
}
}
list_for_each_entry(li, &px->conf.listeners, by_fe) {
if (!stats_allocate_proxy_counters_internal(&li->extra_counters,
COUNTERS_LI,
STATS_PX_CAP_LI)) {
return 0;
}
}
return 1;
}
void stats_register_module(struct stats_module *m)
{
const uint8_t domain = stats_get_domain(m->domain_flags);
LIST_APPEND(&stats_module_list[domain], &m->list);
stat_count[domain] += m->stats_count;
}
static int allocate_stats_px_postcheck(void)
{
struct stats_module *mod;
size_t i = ST_F_TOTAL_FIELDS;
int err_code = 0;
struct proxy *px;
stat_count[STATS_DOMAIN_PROXY] += ST_F_TOTAL_FIELDS;
stat_f[STATS_DOMAIN_PROXY] = malloc(stat_count[STATS_DOMAIN_PROXY] * sizeof(struct name_desc));
if (!stat_f[STATS_DOMAIN_PROXY]) {
ha_alert("stats: cannot allocate all fields for proxy statistics\n");
err_code |= ERR_ALERT | ERR_FATAL;
return err_code;
}
memcpy(stat_f[STATS_DOMAIN_PROXY], stat_fields,
ST_F_TOTAL_FIELDS * sizeof(struct name_desc));
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_PROXY], list) {
memcpy(stat_f[STATS_DOMAIN_PROXY] + i,
mod->stats,
mod->stats_count * sizeof(struct name_desc));
i += mod->stats_count;
}
for (px = proxies_list; px; px = px->next) {
if (!stats_allocate_proxy_counters(px)) {
ha_alert("stats: cannot allocate all counters for proxy statistics\n");
err_code |= ERR_ALERT | ERR_FATAL;
return err_code;
}
}
/* wait per-thread alloc to perform corresponding stat_l allocation */
return err_code;
}
REGISTER_CONFIG_POSTPARSER("allocate-stats-px", allocate_stats_px_postcheck);
static int allocate_stats_dns_postcheck(void)
{
struct stats_module *mod;
size_t i = 0;
int err_code = 0;
stat_f[STATS_DOMAIN_DNS] = malloc(stat_count[STATS_DOMAIN_DNS] * sizeof(struct name_desc));
if (!stat_f[STATS_DOMAIN_DNS]) {
ha_alert("stats: cannot allocate all fields for dns statistics\n");
err_code |= ERR_ALERT | ERR_FATAL;
return err_code;
}
list_for_each_entry(mod, &stats_module_list[STATS_DOMAIN_DNS], list) {
memcpy(stat_f[STATS_DOMAIN_DNS] + i,
mod->stats,
mod->stats_count * sizeof(struct name_desc));
i += mod->stats_count;
}
if (!resolv_allocate_counters(&stats_module_list[STATS_DOMAIN_DNS])) {
ha_alert("stats: cannot allocate all counters for dns statistics\n");
err_code |= ERR_ALERT | ERR_FATAL;
return err_code;
}
/* wait per-thread alloc to perform corresponding stat_l allocation */
return err_code;
}
REGISTER_CONFIG_POSTPARSER("allocate-stats-dns", allocate_stats_dns_postcheck);
static int allocate_stat_lines_per_thread(void)
{
int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
const int domain = domains[i];
stat_l[domain] = malloc(stat_count[domain] * sizeof(struct field));
if (!stat_l[domain])
return 0;
}
return 1;
}
REGISTER_PER_THREAD_ALLOC(allocate_stat_lines_per_thread);
static int allocate_trash_counters(void)
{
struct stats_module *mod;
int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
size_t max_counters_size = 0;
/* calculate the greatest counters used by any stats modules */
for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
list_for_each_entry(mod, &stats_module_list[domains[i]], list) {
max_counters_size = mod->counters_size > max_counters_size ?
mod->counters_size : max_counters_size;
}
}
/* allocate the trash with the size of the greatest counters */
if (max_counters_size) {
trash_counters = malloc(max_counters_size);
if (!trash_counters) {
ha_alert("stats: cannot allocate trash counters for statistics\n");
return 0;
}
}
return 1;
}
REGISTER_PER_THREAD_ALLOC(allocate_trash_counters);
static void deinit_stat_lines_per_thread(void)
{
int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
const int domain = domains[i];
ha_free(&stat_l[domain]);
}
}
REGISTER_PER_THREAD_FREE(deinit_stat_lines_per_thread);
static void deinit_stats(void)
{
int domains[] = { STATS_DOMAIN_PROXY, STATS_DOMAIN_DNS }, i;
for (i = 0; i < STATS_DOMAIN_COUNT; ++i) {
const int domain = domains[i];
if (stat_f[domain])
free(stat_f[domain]);
}
}
REGISTER_POST_DEINIT(deinit_stats);
static void free_trash_counters(void)
{
if (trash_counters)
free(trash_counters);
}
REGISTER_PER_THREAD_FREE(free_trash_counters);
/* register cli keywords */
static struct cli_kw_list cli_kws = {{ },{
{ { "clear", "counters", NULL }, "clear counters [all] : clear max statistics counters (or all counters)", cli_parse_clear_counters, NULL, NULL },
{ { "show", "info", NULL }, "show info [desc|json|typed|float]* : report information about the running process", cli_parse_show_info, cli_io_handler_dump_info, NULL },
{ { "show", "stat", NULL }, "show stat [desc|json|no-maint|typed|up]*: report counters for each proxy and server", cli_parse_show_stat, cli_io_handler_dump_stat, NULL },
{ { "show", "schema", "json", NULL }, "show schema json : report schema used for stats", NULL, cli_io_handler_dump_json_schema, NULL },
{{},}
}};
INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
struct applet http_stats_applet = {
.obj_type = OBJ_TYPE_APPLET,
.name = "<STATS>", /* used for logging */
.fct = http_stats_io_handler,
.release = NULL,
};
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/