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75 lines
2.5 KiB
75 lines
2.5 KiB
5 months ago
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/*
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* include/haproxy/sink-t.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 _HAPROXY_SINK_T_H
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#define _HAPROXY_SINK_T_H
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#include <import/ist.h>
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#include <haproxy/api-t.h>
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#include <haproxy/log-t.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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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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struct sink_forward_target *next;
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__decl_thread(HA_SPINLOCK_T lock); // lock to protect current struct
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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 log_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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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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__decl_thread(HA_RWLOCK_T lock); // shared/excl for dropped
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} ctx;
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};
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#endif /* _HAPROXY_SINK_T_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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