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e72a3f4489
A few structures were slightly rearranged in order to plug some holes left around the locks. Sizes ranging from 8 to 32 bytes could be saved depending on the structures. No performance difference was noticed (none was expected there), though memory usage might be slightly reduced in some rare cases.
75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
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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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