/* * include/haproxy/log-t.h * This file contains definitions of log-related structures and macros. * * Copyright (C) 2000-2020 Willy Tarreau - w@1wt.eu * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation, version 2.1 * exclusively. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef _HAPROXY_LOG_T_H #define _HAPROXY_LOG_T_H #include #include #include #include #include #include #define NB_LOG_FACILITIES 24 #define NB_LOG_LEVELS 8 #define NB_LOG_HDR_MAX_ELEMENTS 15 #define SYSLOG_PORT 514 #define UNIQUEID_LEN 128 /* flags used in logformat_node->options */ #define LOG_OPT_HEXA 0x00000001 #define LOG_OPT_MANDATORY 0x00000002 #define LOG_OPT_QUOTE 0x00000004 #define LOG_OPT_REQ_CAP 0x00000008 #define LOG_OPT_RES_CAP 0x00000010 #define LOG_OPT_HTTP 0x00000020 #define LOG_OPT_ESC 0x00000040 #define LOG_OPT_MERGE_SPACES 0x00000080 /* Fields that need to be extracted from the incoming connection or request for * logging or for sending specific header information. They're set in px->to_log * and appear as flags in session->logs.logwait, which are removed once the * required information has been collected. */ #define LW_INIT 1 /* anything */ #define LW_CLIP 2 /* CLient IP */ #define LW_SVIP 4 /* SerVer IP */ #define LW_SVID 8 /* server ID */ #define LW_REQ 16 /* http REQuest */ #define LW_RESP 32 /* http RESPonse */ #define LW_BYTES 256 /* bytes read from server */ #define LW_COOKIE 512 /* captured cookie */ #define LW_REQHDR 1024 /* request header(s) */ #define LW_RSPHDR 2048 /* response header(s) */ #define LW_BCKIP 4096 /* backend IP */ #define LW_FRTIP 8192 /* frontend IP */ #define LW_XPRT 16384 /* transport layer information (eg: SSL) */ #define LOG_LEGACYTIME_LEN 15 #define LOG_ISOTIME_MINLEN 20 #define LOG_ISOTIME_MAXLEN 32 /* enum for log format */ enum log_fmt { LOG_FORMAT_UNSPEC = 0, LOG_FORMAT_LOCAL, LOG_FORMAT_RFC3164, LOG_FORMAT_RFC5424, LOG_FORMAT_PRIO, LOG_FORMAT_SHORT, LOG_FORMAT_TIMED, LOG_FORMAT_ISO, LOG_FORMAT_RAW, LOG_FORMATS /* number of supported log formats, must always be last */ }; /* enum log header meta data */ enum log_meta { LOG_META_PRIO, LOG_META_TIME, LOG_META_HOST, LOG_META_TAG, LOG_META_PID, LOG_META_MSGID, LOG_META_STDATA, LOG_META_FIELDS /* must always be the last */ }; /* log target types */ enum log_tgt { LOG_TARGET_DGRAM = 0, // datagram address (udp, unix socket) LOG_TARGET_FD, // file descriptor LOG_TARGET_BUFFER, // ring buffer }; /* lists of fields that can be logged, for logformat_node->type */ enum { LOG_FMT_TEXT = 0, /* raw text */ LOG_FMT_EXPR, /* sample expression */ LOG_FMT_SEPARATOR, /* separator replaced by one space */ /* information fields */ LOG_FMT_GLOBAL, LOG_FMT_CLIENTIP, LOG_FMT_CLIENTPORT, LOG_FMT_BACKENDIP, LOG_FMT_BACKENDPORT, LOG_FMT_FRONTENDIP, LOG_FMT_FRONTENDPORT, LOG_FMT_SERVERPORT, LOG_FMT_SERVERIP, LOG_FMT_COUNTER, LOG_FMT_LOGCNT, LOG_FMT_PID, LOG_FMT_DATE, LOG_FMT_DATEGMT, LOG_FMT_DATELOCAL, LOG_FMT_TS, LOG_FMT_MS, LOG_FMT_FRONTEND, LOG_FMT_FRONTEND_XPRT, LOG_FMT_BACKEND, LOG_FMT_SERVER, LOG_FMT_BYTES, LOG_FMT_BYTES_UP, LOG_FMT_Ta, LOG_FMT_Th, LOG_FMT_Ti, LOG_FMT_TQ, LOG_FMT_TW, LOG_FMT_TC, LOG_FMT_Tr, LOG_FMT_tr, LOG_FMT_trg, LOG_FMT_trl, LOG_FMT_TR, LOG_FMT_TD, LOG_FMT_TT, LOG_FMT_TU, LOG_FMT_STATUS, LOG_FMT_CCLIENT, LOG_FMT_CSERVER, LOG_FMT_TERMSTATE, LOG_FMT_TERMSTATE_CK, LOG_FMT_ACTCONN, LOG_FMT_FECONN, LOG_FMT_BECONN, LOG_FMT_SRVCONN, LOG_FMT_RETRIES, LOG_FMT_SRVQUEUE, LOG_FMT_BCKQUEUE, LOG_FMT_HDRREQUEST, LOG_FMT_HDRRESPONS, LOG_FMT_HDRREQUESTLIST, LOG_FMT_HDRRESPONSLIST, LOG_FMT_REQ, LOG_FMT_HTTP_METHOD, LOG_FMT_HTTP_URI, LOG_FMT_HTTP_PATH, LOG_FMT_HTTP_PATH_ONLY, LOG_FMT_HTTP_QUERY, LOG_FMT_HTTP_VERSION, LOG_FMT_HOSTNAME, LOG_FMT_UNIQUEID, LOG_FMT_SSL_CIPHER, LOG_FMT_SSL_VERSION, }; /* enum for parse_logformat_string */ enum { LF_INIT = 0, // before first character LF_TEXT, // normal text LF_SEPARATOR, // a single separator LF_VAR, // variable name, after '%' or '%{..}' LF_STARTVAR, // % in text LF_STARG, // after '%{' and berore '}' LF_EDARG, // '}' after '%{' LF_STEXPR, // after '%[' or '%{..}[' and berore ']' LF_EDEXPR, // ']' after '%[' LF_END, // \0 found }; struct logformat_node { struct list list; int type; // LOG_FMT_* int options; // LOG_OPT_* char *arg; // text for LOG_FMT_TEXT, arg for others void *expr; // for use with LOG_FMT_EXPR }; /* Range of indexes for log sampling. */ struct smp_log_range { unsigned int low; /* Low limit of the indexes of this range. */ unsigned int high; /* High limit of the indexes of this range. */ size_t sz; /* The size of this range, or number of indexes in * this range. */ unsigned int curr_idx; /* The current index used to sample this range of *indexes. */ }; /* Log sampling information. */ struct smp_info { struct smp_log_range *smp_rgs; /* Array of ranges for log sampling. */ size_t smp_rgs_sz; /* The size of array. */ size_t smp_sz; /* The total number of logs to be sampled. */ unsigned int curr_rg; /* The current range to be sampled. */ unsigned int curr_idx; /* A counter to store the current index of the log * already sampled. */ }; struct logsrv { struct list list; struct sockaddr_storage addr; struct smp_info lb; struct sink *sink; char *ring_name; enum log_tgt type; enum log_fmt format; int facility; int level; int minlvl; int maxlen; struct logsrv *ref; __decl_thread(HA_SPINLOCK_T lock); }; #endif /* _HAPROXY_LOG_T_H */ /* * Local variables: * c-indent-level: 8 * c-basic-offset: 8 * End: */