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494c505703
This patch adds new statement "server" into ring section, and the
related "timeout connect" and "timeout server".
server <name> <address> [param*]
Used to configure a syslog tcp server to forward messages from ring buffer.
This supports for all "server" parameters found in 5.2 paragraph.
Some of these parameters are irrelevant for "ring" sections.
timeout connect <timeout>
Set the maximum time to wait for a connection attempt to a server to succeed.
Arguments :
<timeout> is the timeout value specified in milliseconds by default, but
can be in any other unit if the number is suffixed by the unit,
as explained at the top of this document.
timeout server <timeout>
Set the maximum time for pending data staying into output buffer.
Arguments :
<timeout> is the timeout value specified in milliseconds by default, but
can be in any other unit if the number is suffixed by the unit,
as explained at the top of this document.
Example:
global
log ring@myring local7
ring myring
description "My local buffer"
format rfc3164
maxlen 1200
size 32764
timeout connect 5s
timeout server 10s
server mysyslogsrv 127.0.0.1:6514
87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/*
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* include/types/sink.h
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* This file provides definitions for event sinks
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*
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* Copyright (C) 2000-2019 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 _TYPES_SINK_H
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#define _TYPES_SINK_H
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#include <common/buffer.h>
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#include <common/compat.h>
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#include <common/config.h>
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#include <common/ist.h>
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/* A sink may be of 4 distinct types :
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* - file descriptor (such as stdout)
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* - ring buffer, readable from CLI
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*/
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enum sink_type {
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SINK_TYPE_NEW, // not yet initialized
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SINK_TYPE_FD, // events sent to a file descriptor
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SINK_TYPE_BUFFER, // events sent to a ring buffer
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};
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/* This indicates the default event format, which is the destination's
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* preferred format, but may be overridden by the source.
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*/
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enum sink_fmt {
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SINK_FMT_RAW, // raw text sent as-is
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SINK_FMT_SHORT, // raw text prefixed with a syslog level
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SINK_FMT_ISO, // raw text prefixed with ISO time
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SINK_FMT_TIMED, // syslog level then ISO
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SINK_FMT_RFC3164, // regular syslog
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SINK_FMT_RFC5424, // extended syslog
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};
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struct sink_forward_target {
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struct server *srv; // used server
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struct appctx *appctx; // appctx of current session
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size_t ofs; // ring buffer reader offset
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__decl_hathreads(HA_SPINLOCK_T lock); // lock to protect current struct
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struct sink_forward_target *next;
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};
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/* describes the configuration and current state of an event sink */
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struct sink {
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struct list sink_list; // position in the sink list
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char *name; // sink name
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char *desc; // sink description
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enum sink_fmt fmt; // format expected by the sink
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enum sink_type type; // type of storage
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uint32_t maxlen; // max message length (truncated above)
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struct proxy* forward_px; // proxy used to forward
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struct sink_forward_target *sft; // sink forward targets
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struct task *forward_task; // task to handle forward targets conns
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struct sig_handler *forward_sighandler; /* signal handler */
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struct {
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__decl_hathreads(HA_RWLOCK_T lock); // shared/excl for dropped
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struct ring *ring; // used by ring buffer and STRM sender
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unsigned int dropped; // dropped events since last one.
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int fd; // fd num for FD type sink
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} ctx;
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};
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#endif /* _TYPES_SINK_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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