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536 lines
28 KiB
536 lines
28 KiB
/*
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* include/haproxy/proxy-t.h
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* This file defines everything related to proxies.
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*
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* Copyright (C) 2000-2011 Willy Tarreau - w@1wt.eu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _HAPROXY_PROXY_T_H
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#define _HAPROXY_PROXY_T_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <import/eb32tree.h>
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#include <import/ebpttree.h>
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#include <haproxy/api-t.h>
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#include <haproxy/arg-t.h>
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#include <haproxy/backend-t.h>
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#include <haproxy/counters-t.h>
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#include <haproxy/freq_ctr-t.h>
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#include <haproxy/obj_type-t.h>
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#include <haproxy/server-t.h>
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#include <haproxy/stats-t.h>
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#include <haproxy/tcpcheck-t.h>
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#include <haproxy/thread-t.h>
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#include <haproxy/uri_auth-t.h>
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/* values for proxy->mode */
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enum pr_mode {
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PR_MODE_TCP = 0,
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PR_MODE_HTTP,
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PR_MODE_CLI,
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PR_MODE_SYSLOG,
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PR_MODE_PEERS,
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PR_MODES
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} __attribute__((packed));
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enum PR_SRV_STATE_FILE {
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PR_SRV_STATE_FILE_UNSPEC = 0,
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PR_SRV_STATE_FILE_NONE,
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PR_SRV_STATE_FILE_GLOBAL,
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PR_SRV_STATE_FILE_LOCAL,
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};
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/* flag values for proxy->cap. This is a bitmask of capabilities supported by the proxy */
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#define PR_CAP_NONE 0x0000
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#define PR_CAP_FE 0x0001
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#define PR_CAP_BE 0x0002
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#define PR_CAP_LISTEN (PR_CAP_FE|PR_CAP_BE)
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/* bits for proxy->options */
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#define PR_O_REDISP 0x00000001 /* allow reconnection to dispatch in case of errors */
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#define PR_O_TRANSP 0x00000002 /* transparent mode : use original DEST as dispatch */
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/* HTTP server-side reuse */
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#define PR_O_REUSE_NEVR 0x00000000 /* never reuse a shared connection */
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#define PR_O_REUSE_SAFE 0x00000004 /* only reuse a shared connection when it's safe to do so */
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#define PR_O_REUSE_AGGR 0x00000008 /* aggressively reuse a shared connection */
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#define PR_O_REUSE_ALWS 0x0000000C /* always reuse a shared connection */
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#define PR_O_REUSE_MASK 0x0000000C /* mask to retrieve shared connection preferences */
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/* unused: 0x10 */
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#define PR_O_PREF_LAST 0x00000020 /* prefer last server */
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#define PR_O_DISPATCH 0x00000040 /* use dispatch mode */
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#define PR_O_FORCED_ID 0x00000080 /* proxy's ID was forced in the configuration */
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#define PR_O_FWDFOR 0x00000100 /* conditionally insert x-forwarded-for with client address */
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#define PR_O_IGNORE_PRB 0x00000200 /* ignore empty requests (aborts and timeouts) */
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#define PR_O_NULLNOLOG 0x00000400 /* a connect without request will not be logged */
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#define PR_O_WREQ_BODY 0x00000800 /* always wait for the HTTP request body */
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/* unused: 0x1000 */
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#define PR_O_FF_ALWAYS 0x00002000 /* always set x-forwarded-for */
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#define PR_O_PERSIST 0x00004000 /* server persistence stays effective even when server is down */
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#define PR_O_LOGASAP 0x00008000 /* log as soon as possible, without waiting for the stream to complete */
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/* unused: 0x00010000 */
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#define PR_O_CHK_CACHE 0x00020000 /* require examination of cacheability of the 'set-cookie' field */
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#define PR_O_TCP_CLI_KA 0x00040000 /* enable TCP keep-alive on client-side streams */
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#define PR_O_TCP_SRV_KA 0x00080000 /* enable TCP keep-alive on server-side streams */
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#define PR_O_USE_ALL_BK 0x00100000 /* load-balance between backup servers */
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/* unused: 0x00020000 */
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#define PR_O_TCP_NOLING 0x00400000 /* disable lingering on client and server connections */
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#define PR_O_ABRT_CLOSE 0x00800000 /* immediately abort request when client closes */
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#define PR_O_HTTP_KAL 0x00000000 /* HTTP keep-alive mode (http-keep-alive) */
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#define PR_O_HTTP_CLO 0x01000000 /* HTTP close mode (httpclose) */
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#define PR_O_HTTP_SCL 0x02000000 /* HTTP server close mode (http-server-close) */
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#define PR_O_HTTP_MODE 0x03000000 /* MASK to retrieve the HTTP mode */
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/* unused: 0x04000000 */
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#define PR_O_TCPCHK_SSL 0x08000000 /* at least one TCPCHECK connect rule requires SSL */
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#define PR_O_CONTSTATS 0x10000000 /* continuous counters */
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#define PR_O_HTTP_PROXY 0x20000000 /* Enable stream to use HTTP proxy operations */
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#define PR_O_DISABLE404 0x40000000 /* Disable a server on a 404 response to a health-check */
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#define PR_O_ORGTO 0x80000000 /* insert x-original-to with destination address */
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/* bits for proxy->options2 */
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#define PR_O2_SPLIC_REQ 0x00000001 /* transfer requests using linux kernel's splice() */
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#define PR_O2_SPLIC_RTR 0x00000002 /* transfer responses using linux kernel's splice() */
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#define PR_O2_SPLIC_AUT 0x00000004 /* automatically use linux kernel's splice() */
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#define PR_O2_SPLIC_ANY (PR_O2_SPLIC_REQ|PR_O2_SPLIC_RTR|PR_O2_SPLIC_AUT)
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#define PR_O2_REQBUG_OK 0x00000008 /* let buggy requests pass through */
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#define PR_O2_RSPBUG_OK 0x00000010 /* let buggy responses pass through */
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#define PR_O2_NOLOGNORM 0x00000020 /* don't log normal traffic, only errors and retries */
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#define PR_O2_LOGERRORS 0x00000040 /* log errors and retries at level LOG_ERR */
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#define PR_O2_SMARTACC 0x00000080 /* don't immediately ACK request after accept */
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#define PR_O2_SMARTCON 0x00000100 /* don't immediately send empty ACK after connect */
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#define PR_O2_RDPC_PRST 0x00000200 /* Actvate rdp cookie analyser */
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#define PR_O2_CLFLOG 0x00000400 /* log into clf format */
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#define PR_O2_LOGHCHKS 0x00000800 /* log health checks */
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#define PR_O2_INDEPSTR 0x00001000 /* independent streams, don't update rex on write */
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#define PR_O2_SOCKSTAT 0x00002000 /* collect & provide separate statistics for sockets */
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#define PR_O2_H1_ADJ_BUGCLI 0x00008000 /* adjust the case of h1 headers of the response for bogus clients */
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#define PR_O2_H1_ADJ_BUGSRV 0x00004000 /* adjust the case of h1 headers of the request for bogus servers */
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#define PR_O2_NO_H2_UPGRADE 0x00010000 /* disable the implicit H2 upgrades from H1 client connections */
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#define PR_O2_NODELAY 0x00020000 /* fully interactive mode, never delay outgoing data */
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#define PR_O2_USE_PXHDR 0x00040000 /* use Proxy-Connection for proxy requests */
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#define PR_O2_CHK_SNDST 0x00080000 /* send the state of each server along with HTTP health checks */
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#define PR_O2_SRC_ADDR 0x00100000 /* get the source ip and port for logs */
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#define PR_O2_FAKE_KA 0x00200000 /* pretend we do keep-alive with server eventhough we close */
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/* unused : 0x00400000..0x80000000 */
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/* server health checks */
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#define PR_O2_CHK_NONE 0x00000000 /* no L7 health checks configured (TCP by default) */
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#define PR_O2_TCPCHK_CHK 0x90000000 /* use TCPCHK check for server health */
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#define PR_O2_EXT_CHK 0xA0000000 /* use external command for server health */
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/* unused: 0xB0000000 to 0xF000000, reserved for health checks */
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#define PR_O2_CHK_ANY 0xF0000000 /* Mask to cover any check */
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/* end of proxy->options2 */
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/* Cookie settings for pr->ck_opts */
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#define PR_CK_RW 0x00000001 /* rewrite all direct cookies with the right serverid */
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#define PR_CK_IND 0x00000002 /* keep only indirect cookies */
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#define PR_CK_INS 0x00000004 /* insert cookies when not accessing a server directly */
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#define PR_CK_PFX 0x00000008 /* rewrite all cookies by prefixing the right serverid */
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#define PR_CK_ANY (PR_CK_RW | PR_CK_IND | PR_CK_INS | PR_CK_PFX)
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#define PR_CK_NOC 0x00000010 /* add a 'Cache-control' header with the cookie */
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#define PR_CK_POST 0x00000020 /* don't insert cookies for requests other than a POST */
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#define PR_CK_PSV 0x00000040 /* cookie ... preserve */
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#define PR_CK_HTTPONLY 0x00000080 /* emit the "HttpOnly" attribute */
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#define PR_CK_SECURE 0x00000100 /* emit the "Secure" attribute */
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#define PR_CK_DYNAMIC 0x00000200 /* create dynamic cookies for each server */
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/* bits for sticking rules */
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#define STK_IS_MATCH 0x00000001 /* match on request fetch */
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#define STK_IS_STORE 0x00000002 /* store on request fetch */
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#define STK_ON_RSP 0x00000004 /* store on response fetch */
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/* diff bits for proxy_find_best_match */
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#define PR_FBM_MISMATCH_ID 0x01
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#define PR_FBM_MISMATCH_NAME 0x02
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#define PR_FBM_MISMATCH_PROXYTYPE 0x04
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/* Bits for the different retry causes */
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#define PR_RE_CONN_FAILED 0x00000001 /* Retry if we failed to connect */
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#define PR_RE_DISCONNECTED 0x00000002 /* Retry if we got disconnected with no answer */
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#define PR_RE_TIMEOUT 0x00000004 /* Retry if we got a server timeout before we got any data */
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#define PR_RE_401 0x00000008 /* Retry if we got a 401 */
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#define PR_RE_403 0x00000010 /* Retry if we got a 403 */
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#define PR_RE_404 0x00000020 /* Retry if we got a 404 */
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#define PR_RE_408 0x00000040 /* Retry if we got a 408 */
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#define PR_RE_425 0x00000080 /* Retry if we got a 425 */
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#define PR_RE_500 0x00000100 /* Retry if we got a 500 */
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#define PR_RE_501 0x00000200 /* Retry if we got a 501 */
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#define PR_RE_502 0x00000400 /* Retry if we got a 502 */
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#define PR_RE_503 0x00000800 /* Retry if we got a 503 */
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#define PR_RE_504 0x00001000 /* Retry if we got a 504 */
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#define PR_RE_STATUS_MASK (PR_RE_401 | PR_RE_403 | PR_RE_404 | \
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PR_RE_408 | PR_RE_425 | PR_RE_500 | \
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PR_RE_501 | PR_RE_502 | PR_RE_503 | \
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PR_RE_504)
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/* 0x00000800, 0x00001000, 0x00002000, 0x00004000 and 0x00008000 unused,
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* reserved for eventual future status codes
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*/
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#define PR_RE_EARLY_ERROR 0x00010000 /* Retry if we failed at sending early data */
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#define PR_RE_JUNK_REQUEST 0x00020000 /* We received an incomplete or garbage response */
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struct stream;
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struct http_snapshot {
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unsigned int sid; /* ID of the faulty stream */
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unsigned int state; /* message state before the error (when saved) */
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unsigned int b_flags; /* buffer flags */
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unsigned int s_flags; /* stream flags */
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unsigned int t_flags; /* transaction flags */
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unsigned int m_flags; /* message flags */
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unsigned long long m_clen; /* chunk len for this message */
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unsigned long long m_blen; /* body len for this message */
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};
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struct h1_snapshot {
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unsigned int state; /* H1 message state when the error occurred */
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unsigned int c_flags; /* H1 connection flags */
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unsigned int s_flags; /* H1 stream flags */
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unsigned int m_flags; /* H1 message flags */
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unsigned long long m_clen; /* chunk len for this message */
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unsigned long long m_blen; /* body len for this message */
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};
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union error_snapshot_ctx {
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struct http_snapshot http;
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struct h1_snapshot h1;
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};
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struct error_snapshot {
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/**** common part ****/
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struct timeval when; /* date of this event, (tv_sec == 0) means "never" */
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/* @16 */
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void (*show)(struct buffer *, const struct error_snapshot *); /* dump function */
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unsigned long long buf_ofs; /* relative position of the buffer's input inside its container */
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/* @32 */
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unsigned int buf_out; /* pending output bytes _before_ the buffer's input (0..buf->data-1) */
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unsigned int buf_len; /* original length of the last invalid request/response (0..buf->data-1-buf_out) */
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unsigned int buf_err; /* buffer-relative position where the error was detected (0..len-1) */
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unsigned int buf_wrap; /* buffer-relative position where the buffer is expected to wrap (1..buf_size) */
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/* @48 */
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struct proxy *oe; /* other end = frontend or backend involved */
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struct server *srv; /* server associated with the error (or NULL) */
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/* @64 */
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unsigned int ev_id; /* event number (counter incremented for each capture) */
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/* @68: 4 bytes hole here */
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struct sockaddr_storage src; /* client's address */
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/**** protocol-specific part ****/
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union error_snapshot_ctx ctx;
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char buf[VAR_ARRAY]; /* copy of the beginning of the message for bufsize bytes */
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};
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struct proxy {
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enum obj_type obj_type; /* object type == OBJ_TYPE_PROXY */
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char disabled; /* non-zero if disabled or shutdown */
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enum pr_mode mode; /* mode = PR_MODE_TCP, PR_MODE_HTTP, ... */
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char cap; /* supported capabilities (PR_CAP_*) */
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unsigned int maxconn; /* max # of active streams on the frontend */
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int options; /* PR_O_REDISP, PR_O_TRANSP, ... */
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int options2; /* PR_O2_* */
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unsigned int ck_opts; /* PR_CK_* (cookie options) */
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unsigned int fe_req_ana, be_req_ana; /* bitmap of common request protocol analysers for the frontend and backend */
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unsigned int fe_rsp_ana, be_rsp_ana; /* bitmap of common response protocol analysers for the frontend and backend */
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unsigned int http_needed; /* non-null if HTTP analyser may be used */
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union {
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struct proxy *be; /* default backend, or NULL if none set */
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char *name; /* default backend name during config parse */
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} defbe;
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struct list acl; /* ACL declared on this proxy */
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struct list http_req_rules; /* HTTP request rules: allow/deny/... */
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struct list http_res_rules; /* HTTP response rules: allow/deny/... */
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struct list http_after_res_rules; /* HTTP final response rules: set-header/del-header/... */
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struct list redirect_rules; /* content redirecting rules (chained) */
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struct list switching_rules; /* content switching rules (chained) */
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struct list persist_rules; /* 'force-persist' and 'ignore-persist' rules (chained) */
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struct list sticking_rules; /* content sticking rules (chained) */
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struct list storersp_rules; /* content store response rules (chained) */
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struct list server_rules; /* server switching rules (chained) */
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struct { /* TCP request processing */
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unsigned int inspect_delay; /* inspection delay */
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struct list inspect_rules; /* inspection rules */
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struct list l4_rules; /* layer4 rules */
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struct list l5_rules; /* layer5 rules */
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} tcp_req;
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struct { /* TCP request processing */
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unsigned int inspect_delay; /* inspection delay */
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struct list inspect_rules; /* inspection rules */
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} tcp_rep;
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struct server *srv, defsrv; /* known servers; default server configuration */
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struct lbprm lbprm; /* load-balancing parameters */
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int srv_act, srv_bck; /* # of servers eligible for LB (UP|!checked) AND (enabled+weight!=0) */
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int served; /* # of active sessions currently being served */
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int cookie_len; /* strlen(cookie_name), computed only once */
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char *cookie_domain; /* domain used to insert the cookie */
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char *cookie_name; /* name of the cookie to look for */
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char *cookie_attrs; /* list of attributes to add to the cookie */
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char *dyncookie_key; /* Secret key used to generate dynamic persistent cookies */
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unsigned int cookie_maxidle; /* max idle time for this cookie */
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unsigned int cookie_maxlife; /* max life time for this cookie */
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char *rdp_cookie_name; /* name of the RDP cookie to look for */
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char *capture_name; /* beginning of the name of the cookie to capture */
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int rdp_cookie_len; /* strlen(rdp_cookie_name), computed only once */
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int capture_namelen; /* length of the cookie name to match */
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struct uri_auth *uri_auth; /* if non-NULL, the (list of) per-URI authentications */
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int capture_len; /* length of the string to be captured */
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int max_out_conns; /* Max number of idling connections we keep for a session */
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int max_ka_queue; /* 1+maximum requests in queue accepted for reusing a K-A conn (0=none) */
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int clitcpka_cnt; /* The maximum number of keepalive probes TCP should send before dropping the connection. (client side) */
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int clitcpka_idle; /* The time (in seconds) the connection needs to remain idle before TCP starts sending keepalive probes. (client side) */
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int clitcpka_intvl; /* The time (in seconds) between individual keepalive probes. (client side) */
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int srvtcpka_cnt; /* The maximum number of keepalive probes TCP should send before dropping the connection. (server side) */
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int srvtcpka_idle; /* The time (in seconds) the connection needs to remain idle before TCP starts sending keepalive probes. (server side) */
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int srvtcpka_intvl; /* The time (in seconds) between individual keepalive probes. (server side) */
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int monitor_uri_len; /* length of the string above. 0 if unused */
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char *monitor_uri; /* a special URI to which we respond with HTTP/200 OK */
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struct list mon_fail_cond; /* list of conditions to fail monitoring requests (chained) */
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struct { /* WARNING! check proxy_reset_timeouts() in proxy.h !!! */
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int client; /* client I/O timeout (in ticks) */
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int tarpit; /* tarpit timeout, defaults to connect if unspecified */
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int queue; /* queue timeout, defaults to connect if unspecified */
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int connect; /* connect timeout (in ticks) */
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int server; /* server I/O timeout (in ticks) */
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int httpreq; /* maximum time for complete HTTP request */
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int httpka; /* maximum time for a new HTTP request when using keep-alive */
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int check; /* maximum time for complete check */
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int tunnel; /* I/O timeout to use in tunnel mode (in ticks) */
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int clientfin; /* timeout to apply to client half-closed connections */
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int serverfin; /* timeout to apply to server half-closed connections */
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} timeout;
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__decl_thread(HA_RWLOCK_T lock); /* may be taken under the server's lock */
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char *id, *desc; /* proxy id (name) and description */
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struct eb_root pendconns; /* pending connections with no server assigned yet */
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int nbpend; /* number of pending connections with no server assigned yet */
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int totpend; /* total number of pending connections on this instance (for stats) */
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unsigned int queue_idx; /* number of pending connections which have been de-queued */
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unsigned int feconn, beconn; /* # of active frontend and backends streams */
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struct freq_ctr fe_req_per_sec; /* HTTP requests per second on the frontend */
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struct freq_ctr fe_conn_per_sec; /* received connections per second on the frontend */
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struct freq_ctr fe_sess_per_sec; /* accepted sessions per second on the frontend (after tcp rules) */
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struct freq_ctr be_sess_per_sec; /* sessions per second on the backend */
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unsigned int fe_sps_lim; /* limit on new sessions per second on the frontend */
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unsigned int fullconn; /* #conns on backend above which servers are used at full load */
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unsigned int tot_fe_maxconn; /* #maxconn of frontends linked to that backend, it is used to compute fullconn */
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struct in_addr except_net, except_mask; /* don't x-forward-for for this address. FIXME: should support IPv6 */
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struct in_addr except_to; /* don't x-original-to for this address. */
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struct in_addr except_mask_to; /* the netmask for except_to. */
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char *fwdfor_hdr_name; /* header to use - default: "x-forwarded-for" */
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char *orgto_hdr_name; /* header to use - default: "x-original-to" */
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int fwdfor_hdr_len; /* length of "x-forwarded-for" header */
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int orgto_hdr_len; /* length of "x-original-to" header */
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char *server_id_hdr_name; /* the header to use to send the server id (name) */
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int server_id_hdr_len; /* the length of the id (name) header... name */
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int conn_retries; /* maximum number of connect retries */
|
|
unsigned int retry_type; /* Type of retry allowed */
|
|
int redispatch_after; /* number of retries before redispatch */
|
|
unsigned down_trans; /* up-down transitions */
|
|
unsigned down_time; /* total time the proxy was down */
|
|
time_t last_change; /* last time, when the state was changed */
|
|
int (*accept)(struct stream *s); /* application layer's accept() */
|
|
struct conn_src conn_src; /* connection source settings */
|
|
enum obj_type *default_target; /* default target to use for accepted streams or NULL */
|
|
struct proxy *next;
|
|
struct proxy *next_stkt_ref; /* Link to the list of proxies which refer to the same stick-table. */
|
|
|
|
struct list logsrvs;
|
|
struct list logformat; /* log_format linked list */
|
|
struct list logformat_sd; /* log_format linked list for the RFC5424 structured-data part */
|
|
struct buffer log_tag; /* override default syslog tag */
|
|
struct ist header_unique_id; /* unique-id header */
|
|
struct list format_unique_id; /* unique-id format */
|
|
int to_log; /* things to be logged (LW_*) */
|
|
int stop_time; /* date to stop listening, when stopping != 0 (int ticks) */
|
|
int nb_req_cap, nb_rsp_cap; /* # of headers to be captured */
|
|
struct cap_hdr *req_cap; /* chained list of request headers to be captured */
|
|
struct cap_hdr *rsp_cap; /* chained list of response headers to be captured */
|
|
struct pool_head *req_cap_pool, /* pools of pre-allocated char ** used to build the streams */
|
|
*rsp_cap_pool;
|
|
struct be_counters be_counters; /* backend statistics counters */
|
|
struct fe_counters fe_counters; /* frontend statistics counters */
|
|
|
|
struct mt_list listener_queue; /* list of the temporarily limited listeners because of lack of a proxy resource */
|
|
struct stktable *table; /* table for storing sticking streams */
|
|
|
|
struct task *task; /* the associated task, mandatory to manage rate limiting, stopping and resource shortage, NULL if disabled */
|
|
struct tcpcheck_rules tcpcheck_rules; /* tcp-check send / expect rules */
|
|
char *check_command; /* Command to use for external agent checks */
|
|
char *check_path; /* PATH environment to use for external agent checks */
|
|
struct http_reply *replies[HTTP_ERR_SIZE]; /* HTTP replies for known errors */
|
|
unsigned int log_count; /* number of logs produced by the frontend */
|
|
int grace; /* grace time after stop request */
|
|
int uuid; /* universally unique proxy ID, used for SNMP */
|
|
unsigned int backlog; /* force the frontend's listen backlog */
|
|
unsigned long bind_proc; /* bitmask of processes using this proxy */
|
|
unsigned int li_all; /* total number of listeners attached to this proxy */
|
|
unsigned int li_paused; /* total number of listeners paused (LI_PAUSED) */
|
|
unsigned int li_bound; /* total number of listeners ready (LI_LISTEN) */
|
|
unsigned int li_ready; /* total number of listeners ready (>=LI_READY) */
|
|
|
|
/* warning: these structs are huge, keep them at the bottom */
|
|
struct sockaddr_storage dispatch_addr; /* the default address to connect to */
|
|
struct error_snapshot *invalid_req, *invalid_rep; /* captures of last errors */
|
|
|
|
/* used only during configuration parsing */
|
|
int no_options; /* PR_O_REDISP, PR_O_TRANSP, ... */
|
|
int no_options2; /* PR_O2_* */
|
|
|
|
struct {
|
|
char *file; /* file where the section appears */
|
|
struct eb32_node id; /* place in the tree of used IDs */
|
|
int line; /* line where the section appears */
|
|
struct eb_root used_listener_id;/* list of listener IDs in use */
|
|
struct eb_root used_server_id; /* list of server IDs in use */
|
|
struct eb_root used_server_name; /* list of server names in use */
|
|
struct list bind; /* list of bind settings */
|
|
struct list listeners; /* list of listeners belonging to this frontend */
|
|
struct list errors; /* list of all custom error files */
|
|
struct arg_list args; /* sample arg list that need to be resolved */
|
|
struct ebpt_node by_name; /* proxies are stored sorted by name here */
|
|
char *logformat_string; /* log format string */
|
|
char *lfs_file; /* file name where the logformat string appears (strdup) */
|
|
int lfs_line; /* file name where the logformat string appears */
|
|
int uif_line; /* file name where the unique-id-format string appears */
|
|
char *uif_file; /* file name where the unique-id-format string appears (strdup) */
|
|
char *uniqueid_format_string; /* unique-id format string */
|
|
char *logformat_sd_string; /* log format string for the RFC5424 structured-data part */
|
|
char *lfsd_file; /* file name where the structured-data logformat string for RFC5424 appears (strdup) */
|
|
int lfsd_line; /* file name where the structured-data logformat string for RFC5424 appears */
|
|
} conf; /* config information */
|
|
struct eb_root used_server_addr; /* list of server addresses in use */
|
|
void *parent; /* parent of the proxy when applicable */
|
|
struct comp *comp; /* http compression */
|
|
|
|
struct {
|
|
union {
|
|
struct mailers *m; /* Mailer to send email alerts via */
|
|
char *name;
|
|
} mailers;
|
|
char *from; /* Address to send email alerts from */
|
|
char *to; /* Address(es) to send email alerts to */
|
|
char *myhostname; /* Identity to use in HELO command sent to mailer */
|
|
int level; /* Maximum syslog level of messages to send
|
|
* email alerts for */
|
|
int set; /* True if email_alert settings are present */
|
|
struct email_alertq *queues; /* per-mailer alerts queues */
|
|
} email_alert;
|
|
|
|
int load_server_state_from_file; /* location of the file containing server state.
|
|
* flag PR_SRV_STATE_FILE_* */
|
|
char *server_state_file_name; /* used when load_server_state_from_file is set to
|
|
* PR_SRV_STATE_FILE_LOCAL. Give a specific file name for
|
|
* this backend. If not specified or void, then the backend
|
|
* name is used
|
|
*/
|
|
struct list filter_configs; /* list of the filters that are declared on this proxy */
|
|
|
|
struct {
|
|
int mode;
|
|
struct list rules; /* nuster rules */
|
|
} nuster;
|
|
|
|
EXTRA_COUNTERS(extra_counters_fe);
|
|
EXTRA_COUNTERS(extra_counters_be);
|
|
};
|
|
|
|
struct switching_rule {
|
|
struct list list; /* list linked to from the proxy */
|
|
struct acl_cond *cond; /* acl condition to meet */
|
|
int dynamic; /* this is a dynamic rule using the logformat expression */
|
|
union {
|
|
struct proxy *backend; /* target backend */
|
|
char *name; /* target backend name during config parsing */
|
|
struct list expr; /* logformat expression to use for dynamic rules */
|
|
} be;
|
|
char *file;
|
|
int line;
|
|
};
|
|
|
|
struct server_rule {
|
|
struct list list; /* list linked to from the proxy */
|
|
struct acl_cond *cond; /* acl condition to meet */
|
|
int dynamic;
|
|
union {
|
|
struct server *ptr; /* target server */
|
|
char *name; /* target server name during config parsing */
|
|
} srv;
|
|
struct list expr; /* logformat expression to use for dynamic rules */
|
|
char *file;
|
|
int line;
|
|
};
|
|
|
|
struct persist_rule {
|
|
struct list list; /* list linked to from the proxy */
|
|
struct acl_cond *cond; /* acl condition to meet */
|
|
int type;
|
|
};
|
|
|
|
struct sticking_rule {
|
|
struct list list; /* list linked to from the proxy */
|
|
struct acl_cond *cond; /* acl condition to meet */
|
|
struct sample_expr *expr; /* fetch expr to fetch key */
|
|
int flags; /* STK_* */
|
|
union {
|
|
struct stktable *t; /* target table */
|
|
char *name; /* target table name during config parsing */
|
|
} table;
|
|
};
|
|
|
|
|
|
struct redirect_rule {
|
|
struct list list; /* list linked to from the proxy */
|
|
struct acl_cond *cond; /* acl condition to meet */
|
|
int type;
|
|
int rdr_len;
|
|
char *rdr_str;
|
|
struct list rdr_fmt;
|
|
int code;
|
|
unsigned int flags;
|
|
int cookie_len;
|
|
char *cookie_str;
|
|
};
|
|
|
|
/* some of the most common options which are also the easiest to handle */
|
|
struct cfg_opt {
|
|
const char *name;
|
|
unsigned int val;
|
|
unsigned int cap;
|
|
unsigned int checks;
|
|
unsigned int mode;
|
|
};
|
|
|
|
#endif /* _HAPROXY_PROXY_T_H */
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-indent-level: 8
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|
|
|