164 lines
4.5 KiB
C
164 lines
4.5 KiB
C
/*
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include/proto/log.h
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This file contains definitions of log-related functions, structures,
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and macros.
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Copyright (C) 2000-2008 Willy Tarreau - w@1wt.eu
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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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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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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 _PROTO_LOG_H
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#define _PROTO_LOG_H
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#include <stdio.h>
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#include <syslog.h>
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#include <common/config.h>
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#include <common/memory.h>
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#include <common/hathreads.h>
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#include <types/log.h>
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#include <types/proxy.h>
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#include <types/stream.h>
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extern struct pool_head *pool_head_requri;
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extern struct pool_head *pool_head_uniqueid;
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extern char *log_format;
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extern char default_tcp_log_format[];
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extern char default_http_log_format[];
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extern char clf_http_log_format[];
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extern char default_rfc5424_sd_log_format[];
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extern THREAD_LOCAL char *logheader;
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extern THREAD_LOCAL char *logheader_rfc5424;
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extern THREAD_LOCAL char *logline;
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extern THREAD_LOCAL char *logline_rfc5424;
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/*
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* Initializes some log data.
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*/
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void init_log();
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/* Initialize/Deinitialize log buffers used for syslog messages */
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int init_log_buffers();
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void deinit_log_buffers();
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/*
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* Builds a log line.
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*/
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int build_logline(struct stream *s, char *dst, size_t maxsize, struct list *list_format);
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/*
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* send a log for the stream when we have enough info about it.
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* Will not log if the frontend has no log defined.
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*/
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void strm_log(struct stream *s);
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/*
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* add to the logformat linked list
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*/
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int add_to_logformat_list(char *start, char *end, int type, struct list *list_format, char **err);
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/*
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* Parse the log_format string and fill a linked list.
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* Variable name are preceded by % and composed by characters [a-zA-Z0-9]* : %varname
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* You can set arguments using { } : %{many arguments}varname
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*/
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int parse_logformat_string(const char *str, struct proxy *curproxy, struct list *list_format, int options, int cap, char **err);
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/*
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* Displays the message on stderr with the date and pid. Overrides the quiet
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* mode during startup.
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*/
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void ha_alert(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/*
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* Displays the message on stderr with the date and pid.
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*/
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void ha_warning(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/*
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* Displays the message on <out> only if quiet mode is not set.
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*/
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void qfprintf(FILE *out, const char *fmt, ...)
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__attribute__ ((format(printf, 2, 3)));
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/*
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* This function adds a header to the message and sends the syslog message
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* using a printf format string
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*/
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void send_log(struct proxy *p, int level, const char *format, ...)
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__attribute__ ((format(printf, 3, 4)));
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/*
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* This function sends a syslog message to both log servers of a proxy,
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* or to global log servers if the proxy is NULL.
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* It also tries not to waste too much time computing the message header.
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* It doesn't care about errors nor does it report them.
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*/
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void __send_log(struct proxy *p, int level, char *message, size_t size, char *sd, size_t sd_size);
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/*
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* returns log format for <fmt> or -1 if not found.
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*/
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int get_log_format(const char *fmt);
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/*
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* returns log level for <lev> or -1 if not found.
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*/
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int get_log_level(const char *lev);
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/*
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* returns log facility for <fac> or -1 if not found.
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*/
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int get_log_facility(const char *fac);
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/*
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* Write a string in the log string
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* Take cares of quote options
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*
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* Return the adress of the \0 character, or NULL on error
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*/
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char *lf_text_len(char *dst, const char *src, size_t len, size_t size, struct logformat_node *node);
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/*
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* Write a IP adress to the log string
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* +X option write in hexadecimal notation, most signifant byte on the left
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*/
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char *lf_ip(char *dst, struct sockaddr *sockaddr, size_t size, struct logformat_node *node);
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/*
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* Write a port to the log
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* +X option write in hexadecimal notation, most signifant byte on the left
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*/
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char *lf_port(char *dst, struct sockaddr *sockaddr, size_t size, struct logformat_node *node);
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#endif /* _PROTO_LOG_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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