git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@72233 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1073 lines
28 KiB
C
1073 lines
28 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2006, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Asterisk Logger
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*
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* Logging routines
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*
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* \author Mark Spencer <markster@digium.com>
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <time.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/stat.h>
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#if ((defined(AST_DEVMODE)) && (defined(Linux)))
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#include <execinfo.h>
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#define MAX_BACKTRACE_FRAMES 20
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#endif
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#define SYSLOG_NAMES /* so we can map syslog facilities names to their numeric values,
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from <syslog.h> which is included by logger.h */
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#include <syslog.h>
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static int syslog_level_map[] = {
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LOG_DEBUG,
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LOG_INFO, /* arbitrary equivalent of LOG_EVENT */
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LOG_NOTICE,
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LOG_WARNING,
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LOG_ERR,
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LOG_DEBUG,
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LOG_DEBUG
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};
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#define SYSLOG_NLEVELS sizeof(syslog_level_map) / sizeof(int)
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#include "asterisk/logger.h"
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#include "asterisk/lock.h"
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#include "asterisk/options.h"
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#include "asterisk/channel.h"
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#include "asterisk/config.h"
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#include "asterisk/term.h"
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#include "asterisk/cli.h"
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#include "asterisk/utils.h"
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#include "asterisk/manager.h"
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#include "asterisk/threadstorage.h"
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#include "asterisk/strings.h"
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#if defined(__linux__) && !defined(__NR_gettid)
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#include <asm/unistd.h>
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#endif
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#if defined(__linux__) && defined(__NR_gettid)
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#define GETTID() syscall(__NR_gettid)
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#else
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#define GETTID() getpid()
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#endif
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static char dateformat[256] = "%b %e %T"; /* Original Asterisk Format */
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static char queue_log_name[256] = QUEUELOG;
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static int filesize_reload_needed;
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static int global_logmask = -1;
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static int rotatetimestamp;
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static struct {
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unsigned int queue_log:1;
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unsigned int event_log:1;
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} logfiles = { 1, 1 };
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static char hostname[MAXHOSTNAMELEN];
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enum logtypes {
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LOGTYPE_SYSLOG,
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LOGTYPE_FILE,
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LOGTYPE_CONSOLE,
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};
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struct logchannel {
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int logmask; /* What to log to this channel */
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int disabled; /* If this channel is disabled or not */
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int facility; /* syslog facility */
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enum logtypes type; /* Type of log channel */
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FILE *fileptr; /* logfile logging file pointer */
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char filename[256]; /* Filename */
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AST_LIST_ENTRY(logchannel) list;
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};
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static AST_LIST_HEAD_STATIC(logchannels, logchannel);
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enum logmsgtypes {
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LOGMSG_NORMAL = 0,
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LOGMSG_VERBOSE,
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};
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struct logmsg {
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enum logmsgtypes type;
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char date[256];
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int level;
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const char *file;
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int line;
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const char *function;
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AST_LIST_ENTRY(logmsg) list;
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char str[0];
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};
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static AST_LIST_HEAD_STATIC(logmsgs, logmsg);
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static pthread_t logthread = AST_PTHREADT_NULL;
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static ast_cond_t logcond;
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static int close_logger_thread;
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static FILE *eventlog;
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static FILE *qlog;
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static char *levels[] = {
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"DEBUG",
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"EVENT",
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"NOTICE",
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"WARNING",
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"ERROR",
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"VERBOSE",
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"DTMF"
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};
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static int colors[] = {
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COLOR_BRGREEN,
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COLOR_BRBLUE,
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COLOR_YELLOW,
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COLOR_BRRED,
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COLOR_RED,
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COLOR_GREEN,
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COLOR_BRGREEN
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};
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AST_THREADSTORAGE(verbose_buf);
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#define VERBOSE_BUF_INIT_SIZE 256
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AST_THREADSTORAGE(log_buf);
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#define LOG_BUF_INIT_SIZE 256
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static int make_components(char *s, int lineno)
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{
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char *w;
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int res = 0;
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char *stringp = s;
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while ((w = strsep(&stringp, ","))) {
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w = ast_skip_blanks(w);
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if (!strcasecmp(w, "error"))
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res |= (1 << __LOG_ERROR);
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else if (!strcasecmp(w, "warning"))
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res |= (1 << __LOG_WARNING);
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else if (!strcasecmp(w, "notice"))
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res |= (1 << __LOG_NOTICE);
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else if (!strcasecmp(w, "event"))
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res |= (1 << __LOG_EVENT);
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else if (!strcasecmp(w, "debug"))
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res |= (1 << __LOG_DEBUG);
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else if (!strcasecmp(w, "verbose"))
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res |= (1 << __LOG_VERBOSE);
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else if (!strcasecmp(w, "dtmf"))
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res |= (1 << __LOG_DTMF);
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else {
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fprintf(stderr, "Logfile Warning: Unknown keyword '%s' at line %d of logger.conf\n", w, lineno);
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}
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}
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return res;
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}
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static struct logchannel *make_logchannel(char *channel, char *components, int lineno)
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{
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struct logchannel *chan;
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char *facility;
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#ifndef SOLARIS
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CODE *cptr;
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#endif
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if (ast_strlen_zero(channel) || !(chan = ast_calloc(1, sizeof(*chan))))
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return NULL;
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if (!strcasecmp(channel, "console")) {
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chan->type = LOGTYPE_CONSOLE;
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} else if (!strncasecmp(channel, "syslog", 6)) {
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/*
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* syntax is:
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* syslog.facility => level,level,level
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*/
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facility = strchr(channel, '.');
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if (!facility++ || !facility) {
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facility = "local0";
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}
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#ifndef SOLARIS
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/*
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* Walk through the list of facilitynames (defined in sys/syslog.h)
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* to see if we can find the one we have been given
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*/
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chan->facility = -1;
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cptr = facilitynames;
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while (cptr->c_name) {
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if (!strcasecmp(facility, cptr->c_name)) {
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chan->facility = cptr->c_val;
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break;
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}
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cptr++;
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}
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#else
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chan->facility = -1;
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if (!strcasecmp(facility, "kern"))
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chan->facility = LOG_KERN;
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else if (!strcasecmp(facility, "USER"))
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chan->facility = LOG_USER;
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else if (!strcasecmp(facility, "MAIL"))
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chan->facility = LOG_MAIL;
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else if (!strcasecmp(facility, "DAEMON"))
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chan->facility = LOG_DAEMON;
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else if (!strcasecmp(facility, "AUTH"))
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chan->facility = LOG_AUTH;
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else if (!strcasecmp(facility, "SYSLOG"))
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chan->facility = LOG_SYSLOG;
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else if (!strcasecmp(facility, "LPR"))
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chan->facility = LOG_LPR;
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else if (!strcasecmp(facility, "NEWS"))
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chan->facility = LOG_NEWS;
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else if (!strcasecmp(facility, "UUCP"))
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chan->facility = LOG_UUCP;
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else if (!strcasecmp(facility, "CRON"))
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chan->facility = LOG_CRON;
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else if (!strcasecmp(facility, "LOCAL0"))
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chan->facility = LOG_LOCAL0;
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else if (!strcasecmp(facility, "LOCAL1"))
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chan->facility = LOG_LOCAL1;
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else if (!strcasecmp(facility, "LOCAL2"))
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chan->facility = LOG_LOCAL2;
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else if (!strcasecmp(facility, "LOCAL3"))
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chan->facility = LOG_LOCAL3;
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else if (!strcasecmp(facility, "LOCAL4"))
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chan->facility = LOG_LOCAL4;
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else if (!strcasecmp(facility, "LOCAL5"))
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chan->facility = LOG_LOCAL5;
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else if (!strcasecmp(facility, "LOCAL6"))
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chan->facility = LOG_LOCAL6;
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else if (!strcasecmp(facility, "LOCAL7"))
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chan->facility = LOG_LOCAL7;
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#endif /* Solaris */
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if (0 > chan->facility) {
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fprintf(stderr, "Logger Warning: bad syslog facility in logger.conf\n");
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free(chan);
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return NULL;
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}
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chan->type = LOGTYPE_SYSLOG;
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snprintf(chan->filename, sizeof(chan->filename), "%s", channel);
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openlog("asterisk", LOG_PID, chan->facility);
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} else {
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if (channel[0] == '/') {
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if (!ast_strlen_zero(hostname)) {
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snprintf(chan->filename, sizeof(chan->filename) - 1,"%s.%s", channel, hostname);
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} else {
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ast_copy_string(chan->filename, channel, sizeof(chan->filename));
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}
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}
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if (!ast_strlen_zero(hostname)) {
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snprintf(chan->filename, sizeof(chan->filename), "%s/%s.%s", ast_config_AST_LOG_DIR, channel, hostname);
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} else {
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snprintf(chan->filename, sizeof(chan->filename), "%s/%s", ast_config_AST_LOG_DIR, channel);
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}
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chan->fileptr = fopen(chan->filename, "a");
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if (!chan->fileptr) {
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/* Can't log here, since we're called with a lock */
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fprintf(stderr, "Logger Warning: Unable to open log file '%s': %s\n", chan->filename, strerror(errno));
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}
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chan->type = LOGTYPE_FILE;
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}
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chan->logmask = make_components(components, lineno);
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return chan;
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}
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static void init_logger_chain(void)
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{
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struct logchannel *chan;
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struct ast_config *cfg;
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struct ast_variable *var;
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const char *s;
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/* delete our list of log channels */
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AST_LIST_LOCK(&logchannels);
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while ((chan = AST_LIST_REMOVE_HEAD(&logchannels, list)))
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free(chan);
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AST_LIST_UNLOCK(&logchannels);
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global_logmask = 0;
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errno = 0;
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/* close syslog */
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closelog();
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cfg = ast_config_load("logger.conf");
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/* If no config file, we're fine, set default options. */
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if (!cfg) {
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if (errno)
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fprintf(stderr, "Unable to open logger.conf: %s; default settings will be used.\n", strerror(errno));
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else
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fprintf(stderr, "Errors detected in logger.conf: see above; default settings will be used.\n");
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if (!(chan = ast_calloc(1, sizeof(*chan))))
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return;
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chan->type = LOGTYPE_CONSOLE;
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chan->logmask = 28; /*warning,notice,error */
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AST_LIST_LOCK(&logchannels);
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AST_LIST_INSERT_HEAD(&logchannels, chan, list);
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AST_LIST_UNLOCK(&logchannels);
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global_logmask |= chan->logmask;
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return;
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}
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if ((s = ast_variable_retrieve(cfg, "general", "appendhostname"))) {
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if (ast_true(s)) {
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if (gethostname(hostname, sizeof(hostname) - 1)) {
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ast_copy_string(hostname, "unknown", sizeof(hostname));
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ast_log(LOG_WARNING, "What box has no hostname???\n");
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}
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} else
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hostname[0] = '\0';
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} else
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hostname[0] = '\0';
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if ((s = ast_variable_retrieve(cfg, "general", "dateformat")))
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ast_copy_string(dateformat, s, sizeof(dateformat));
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else
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ast_copy_string(dateformat, "%b %e %T", sizeof(dateformat));
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if ((s = ast_variable_retrieve(cfg, "general", "queue_log")))
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logfiles.queue_log = ast_true(s);
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if ((s = ast_variable_retrieve(cfg, "general", "event_log")))
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logfiles.event_log = ast_true(s);
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if ((s = ast_variable_retrieve(cfg, "general", "queue_log_name")))
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ast_copy_string(queue_log_name, s, sizeof(queue_log_name));
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if ((s = ast_variable_retrieve(cfg, "general", "rotatetimestamp")))
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rotatetimestamp = ast_true(s);
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AST_LIST_LOCK(&logchannels);
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var = ast_variable_browse(cfg, "logfiles");
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for (; var; var = var->next) {
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if (!(chan = make_logchannel(var->name, var->value, var->lineno)))
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continue;
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AST_LIST_INSERT_HEAD(&logchannels, chan, list);
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global_logmask |= chan->logmask;
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}
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AST_LIST_UNLOCK(&logchannels);
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ast_config_destroy(cfg);
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}
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void ast_queue_log(const char *queuename, const char *callid, const char *agent, const char *event, const char *fmt, ...)
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{
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va_list ap;
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AST_LIST_LOCK(&logchannels);
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if (qlog) {
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va_start(ap, fmt);
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fprintf(qlog, "%ld|%s|%s|%s|%s|", (long)time(NULL), callid, queuename, agent, event);
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vfprintf(qlog, fmt, ap);
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fprintf(qlog, "\n");
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va_end(ap);
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fflush(qlog);
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}
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AST_LIST_UNLOCK(&logchannels);
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}
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int reload_logger(int rotate)
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{
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char old[PATH_MAX] = "";
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char new[PATH_MAX];
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int event_rotate = rotate, queue_rotate = rotate;
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struct logchannel *f;
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FILE *myf;
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int x, res = 0;
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AST_LIST_LOCK(&logchannels);
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if (eventlog)
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fclose(eventlog);
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else
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event_rotate = 0;
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eventlog = NULL;
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if (qlog)
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fclose(qlog);
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else
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queue_rotate = 0;
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qlog = NULL;
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ast_mkdir(ast_config_AST_LOG_DIR, 0777);
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AST_LIST_TRAVERSE(&logchannels, f, list) {
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if (f->disabled) {
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f->disabled = 0; /* Re-enable logging at reload */
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manager_event(EVENT_FLAG_SYSTEM, "LogChannel", "Channel: %s\r\nEnabled: Yes\r\n", f->filename);
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}
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if (f->fileptr && (f->fileptr != stdout) && (f->fileptr != stderr)) {
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fclose(f->fileptr); /* Close file */
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f->fileptr = NULL;
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if (rotate) {
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ast_copy_string(old, f->filename, sizeof(old));
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if (!rotatetimestamp) {
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for (x = 0; ; x++) {
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snprintf(new, sizeof(new), "%s.%d", f->filename, x);
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myf = fopen(new, "r");
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if (myf)
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fclose(myf);
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else
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break;
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}
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} else
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snprintf(new, sizeof(new), "%s.%ld", f->filename, (long)time(NULL));
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/* do it */
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if (rename(old,new))
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fprintf(stderr, "Unable to rename file '%s' to '%s'\n", old, new);
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}
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}
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}
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filesize_reload_needed = 0;
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init_logger_chain();
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if (logfiles.event_log) {
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snprintf(old, sizeof(old), "%s/%s", ast_config_AST_LOG_DIR, EVENTLOG);
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if (event_rotate) {
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if (!rotatetimestamp) {
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for (x=0;;x++) {
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snprintf(new, sizeof(new), "%s/%s.%d", ast_config_AST_LOG_DIR, EVENTLOG,x);
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myf = fopen(new, "r");
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if (myf) /* File exists */
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fclose(myf);
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else
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break;
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}
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} else
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snprintf(new, sizeof(new), "%s/%s.%ld", ast_config_AST_LOG_DIR, EVENTLOG,(long)time(NULL));
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/* do it */
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if (rename(old,new))
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ast_log(LOG_ERROR, "Unable to rename file '%s' to '%s'\n", old, new);
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}
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eventlog = fopen(old, "a");
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if (eventlog) {
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ast_log(LOG_EVENT, "Restarted Asterisk Event Logger\n");
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if (option_verbose)
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ast_verbose("Asterisk Event Logger restarted\n");
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} else {
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ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno));
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res = -1;
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}
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}
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|
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if (logfiles.queue_log) {
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snprintf(old, sizeof(old), "%s/%s", ast_config_AST_LOG_DIR, queue_log_name);
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if (queue_rotate) {
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if (!rotatetimestamp) {
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for (x = 0; ; x++) {
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snprintf(new, sizeof(new), "%s/%s.%d", ast_config_AST_LOG_DIR, queue_log_name, x);
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myf = fopen(new, "r");
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if (myf) /* File exists */
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fclose(myf);
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else
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break;
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}
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} else
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snprintf(new, sizeof(new), "%s/%s.%ld", ast_config_AST_LOG_DIR, queue_log_name,(long)time(NULL));
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/* do it */
|
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if (rename(old, new))
|
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ast_log(LOG_ERROR, "Unable to rename file '%s' to '%s'\n", old, new);
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}
|
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|
|
qlog = fopen(old, "a");
|
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if (qlog) {
|
|
ast_queue_log("NONE", "NONE", "NONE", "CONFIGRELOAD", "%s", "");
|
|
ast_log(LOG_EVENT, "Restarted Asterisk Queue Logger\n");
|
|
if (option_verbose)
|
|
ast_verbose("Asterisk Queue Logger restarted\n");
|
|
} else {
|
|
ast_log(LOG_ERROR, "Unable to create queue log: %s\n", strerror(errno));
|
|
res = -1;
|
|
}
|
|
}
|
|
|
|
AST_LIST_UNLOCK(&logchannels);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int handle_logger_reload(int fd, int argc, char *argv[])
|
|
{
|
|
if (reload_logger(0)) {
|
|
ast_cli(fd, "Failed to reload the logger\n");
|
|
return RESULT_FAILURE;
|
|
} else
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_logger_rotate(int fd, int argc, char *argv[])
|
|
{
|
|
if (reload_logger(1)) {
|
|
ast_cli(fd, "Failed to reload the logger and rotate log files\n");
|
|
return RESULT_FAILURE;
|
|
} else
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/*! \brief CLI command to show logging system configuration */
|
|
static int handle_logger_show_channels(int fd, int argc, char *argv[])
|
|
{
|
|
#define FORMATL "%-35.35s %-8.8s %-9.9s "
|
|
struct logchannel *chan;
|
|
|
|
ast_cli(fd,FORMATL, "Channel", "Type", "Status");
|
|
ast_cli(fd, "Configuration\n");
|
|
ast_cli(fd,FORMATL, "-------", "----", "------");
|
|
ast_cli(fd, "-------------\n");
|
|
AST_LIST_LOCK(&logchannels);
|
|
AST_LIST_TRAVERSE(&logchannels, chan, list) {
|
|
ast_cli(fd, FORMATL, chan->filename, chan->type==LOGTYPE_CONSOLE ? "Console" : (chan->type==LOGTYPE_SYSLOG ? "Syslog" : "File"),
|
|
chan->disabled ? "Disabled" : "Enabled");
|
|
ast_cli(fd, " - ");
|
|
if (chan->logmask & (1 << __LOG_DEBUG))
|
|
ast_cli(fd, "Debug ");
|
|
if (chan->logmask & (1 << __LOG_DTMF))
|
|
ast_cli(fd, "DTMF ");
|
|
if (chan->logmask & (1 << __LOG_VERBOSE))
|
|
ast_cli(fd, "Verbose ");
|
|
if (chan->logmask & (1 << __LOG_WARNING))
|
|
ast_cli(fd, "Warning ");
|
|
if (chan->logmask & (1 << __LOG_NOTICE))
|
|
ast_cli(fd, "Notice ");
|
|
if (chan->logmask & (1 << __LOG_ERROR))
|
|
ast_cli(fd, "Error ");
|
|
if (chan->logmask & (1 << __LOG_EVENT))
|
|
ast_cli(fd, "Event ");
|
|
ast_cli(fd, "\n");
|
|
}
|
|
AST_LIST_UNLOCK(&logchannels);
|
|
ast_cli(fd, "\n");
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
struct verb {
|
|
void (*verboser)(const char *string);
|
|
AST_LIST_ENTRY(verb) list;
|
|
};
|
|
|
|
static AST_LIST_HEAD_STATIC(verbosers, verb);
|
|
|
|
static char logger_reload_help[] =
|
|
"Usage: logger reload\n"
|
|
" Reloads the logger subsystem state. Use after restarting syslogd(8) if you are using syslog logging.\n";
|
|
|
|
static char logger_rotate_help[] =
|
|
"Usage: logger rotate\n"
|
|
" Rotates and Reopens the log files.\n";
|
|
|
|
static char logger_show_channels_help[] =
|
|
"Usage: logger show channels\n"
|
|
" List configured logger channels.\n";
|
|
|
|
static struct ast_cli_entry cli_logger[] = {
|
|
{ { "logger", "show", "channels", NULL },
|
|
handle_logger_show_channels, "List configured log channels",
|
|
logger_show_channels_help },
|
|
|
|
{ { "logger", "reload", NULL },
|
|
handle_logger_reload, "Reopens the log files",
|
|
logger_reload_help },
|
|
|
|
{ { "logger", "rotate", NULL },
|
|
handle_logger_rotate, "Rotates and reopens the log files",
|
|
logger_rotate_help },
|
|
};
|
|
|
|
static int handle_SIGXFSZ(int sig)
|
|
{
|
|
/* Indicate need to reload */
|
|
filesize_reload_needed = 1;
|
|
return 0;
|
|
}
|
|
|
|
static void ast_log_vsyslog(int level, const char *file, int line, const char *function, char *str)
|
|
{
|
|
char buf[BUFSIZ];
|
|
|
|
if (level >= SYSLOG_NLEVELS) {
|
|
/* we are locked here, so cannot ast_log() */
|
|
fprintf(stderr, "ast_log_vsyslog called with bogus level: %d\n", level);
|
|
return;
|
|
}
|
|
|
|
if (level == __LOG_VERBOSE) {
|
|
snprintf(buf, sizeof(buf), "VERBOSE[%ld]: %s", (long)GETTID(), str);
|
|
level = __LOG_DEBUG;
|
|
} else if (level == __LOG_DTMF) {
|
|
snprintf(buf, sizeof(buf), "DTMF[%ld]: %s", (long)GETTID(), str);
|
|
level = __LOG_DEBUG;
|
|
} else {
|
|
snprintf(buf, sizeof(buf), "%s[%ld]: %s:%d in %s: %s",
|
|
levels[level], (long)GETTID(), file, line, function, str);
|
|
}
|
|
|
|
term_strip(buf, buf, strlen(buf) + 1);
|
|
syslog(syslog_level_map[level], "%s", buf);
|
|
}
|
|
|
|
/* Print a normal log message to the channels */
|
|
static void logger_print_normal(struct logmsg *logmsg)
|
|
{
|
|
struct logchannel *chan = NULL;
|
|
char buf[BUFSIZ];
|
|
|
|
AST_LIST_LOCK(&logchannels);
|
|
|
|
if (logfiles.event_log && logmsg->level == __LOG_EVENT) {
|
|
fprintf(eventlog, "%s asterisk[%ld]: %s", logmsg->date, (long)getpid(), logmsg->str);
|
|
fflush(eventlog);
|
|
AST_LIST_UNLOCK(&logchannels);
|
|
return;
|
|
}
|
|
|
|
if (!AST_LIST_EMPTY(&logchannels)) {
|
|
AST_LIST_TRAVERSE(&logchannels, chan, list) {
|
|
/* If the channel is disabled, then move on to the next one */
|
|
if (chan->disabled)
|
|
continue;
|
|
/* Check syslog channels */
|
|
if (chan->type == LOGTYPE_SYSLOG && (chan->logmask & (1 << logmsg->level))) {
|
|
ast_log_vsyslog(logmsg->level, logmsg->file, logmsg->line, logmsg->function, logmsg->str);
|
|
/* Console channels */
|
|
} else if (chan->type == LOGTYPE_CONSOLE && (chan->logmask & (1 << logmsg->level))) {
|
|
char linestr[128];
|
|
char tmp1[80], tmp2[80], tmp3[80], tmp4[80];
|
|
|
|
/* If the level is verbose, then skip it */
|
|
if (logmsg->level == __LOG_VERBOSE)
|
|
continue;
|
|
|
|
/* Turn the numerical line number into a string */
|
|
snprintf(linestr, sizeof(linestr), "%d", logmsg->line);
|
|
/* Build string to print out */
|
|
snprintf(buf, sizeof(buf), "[%s] %s[%ld]: %s:%s %s: %s",
|
|
logmsg->date,
|
|
term_color(tmp1, levels[logmsg->level], colors[logmsg->level], 0, sizeof(tmp1)),
|
|
(long)GETTID(),
|
|
term_color(tmp2, logmsg->file, COLOR_BRWHITE, 0, sizeof(tmp2)),
|
|
term_color(tmp3, linestr, COLOR_BRWHITE, 0, sizeof(tmp3)),
|
|
term_color(tmp4, logmsg->function, COLOR_BRWHITE, 0, sizeof(tmp4)),
|
|
logmsg->str);
|
|
/* Print out */
|
|
ast_console_puts_mutable(buf);
|
|
/* File channels */
|
|
} else if (chan->type == LOGTYPE_FILE && (chan->logmask & (1 << logmsg->level))) {
|
|
int res = 0;
|
|
|
|
/* If no file pointer exists, skip it */
|
|
if (!chan->fileptr)
|
|
continue;
|
|
|
|
/* Print out to the file */
|
|
res = fprintf(chan->fileptr, "[%s] %s[%ld] %s: %s",
|
|
logmsg->date, levels[logmsg->level], (long)GETTID(), logmsg->file, logmsg->str);
|
|
if (res <= 0 && !ast_strlen_zero(logmsg->str)) {
|
|
fprintf(stderr, "**** Asterisk Logging Error: ***********\n");
|
|
if (errno == ENOMEM || errno == ENOSPC)
|
|
fprintf(stderr, "Asterisk logging error: Out of disk space, can't log to log file %s\n", chan->filename);
|
|
else
|
|
fprintf(stderr, "Logger Warning: Unable to write to log file '%s': %s (disabled)\n", chan->filename, strerror(errno));
|
|
manager_event(EVENT_FLAG_SYSTEM, "LogChannel", "Channel: %s\r\nEnabled: No\r\nReason: %d - %s\r\n", chan->filename, errno, strerror(errno));
|
|
chan->disabled = 1;
|
|
} else if (res > 0) {
|
|
fflush(chan->fileptr);
|
|
}
|
|
}
|
|
}
|
|
} else if (logmsg->level != __LOG_VERBOSE) {
|
|
fputs(logmsg->str, stdout);
|
|
}
|
|
|
|
AST_LIST_UNLOCK(&logchannels);
|
|
|
|
/* If we need to reload because of the file size, then do so */
|
|
if (filesize_reload_needed) {
|
|
reload_logger(1);
|
|
ast_log(LOG_EVENT, "Rotated Logs Per SIGXFSZ (Exceeded file size limit)\n");
|
|
if (option_verbose)
|
|
ast_verbose("Rotated Logs Per SIGXFSZ (Exceeded file size limit)\n");
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/* Print a verbose message to the verbosers */
|
|
static void logger_print_verbose(struct logmsg *logmsg)
|
|
{
|
|
struct verb *v = NULL;
|
|
|
|
/* Iterate through the list of verbosers and pass them the log message string */
|
|
AST_LIST_LOCK(&verbosers);
|
|
AST_LIST_TRAVERSE(&verbosers, v, list)
|
|
v->verboser(logmsg->str);
|
|
AST_LIST_UNLOCK(&verbosers);
|
|
|
|
return;
|
|
}
|
|
|
|
/* Actual logging thread */
|
|
static void *logger_thread(void *data)
|
|
{
|
|
struct logmsg *next = NULL, *msg = NULL;
|
|
|
|
for (;;) {
|
|
/* We lock the message list, and see if any message exists... if not we wait on the condition to be signalled */
|
|
AST_LIST_LOCK(&logmsgs);
|
|
if (AST_LIST_EMPTY(&logmsgs))
|
|
ast_cond_wait(&logcond, &logmsgs.lock);
|
|
next = AST_LIST_FIRST(&logmsgs);
|
|
AST_LIST_HEAD_INIT_NOLOCK(&logmsgs);
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
|
|
/* If we should stop, then stop */
|
|
if (close_logger_thread)
|
|
break;
|
|
|
|
/* Otherwise go through and process each message in the order added */
|
|
while ((msg = next)) {
|
|
/* Get the next entry now so that we can free our current structure later */
|
|
next = AST_LIST_NEXT(msg, list);
|
|
|
|
/* Depending on the type, send it to the proper function */
|
|
if (msg->type == LOGMSG_NORMAL)
|
|
logger_print_normal(msg);
|
|
else if (msg->type == LOGMSG_VERBOSE)
|
|
logger_print_verbose(msg);
|
|
|
|
/* Free the data since we are done */
|
|
free(msg);
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int init_logger(void)
|
|
{
|
|
char tmp[256];
|
|
int res = 0;
|
|
|
|
/* auto rotate if sig SIGXFSZ comes a-knockin */
|
|
(void) signal(SIGXFSZ,(void *) handle_SIGXFSZ);
|
|
|
|
/* start logger thread */
|
|
ast_cond_init(&logcond, NULL);
|
|
if (ast_pthread_create(&logthread, NULL, logger_thread, NULL) < 0) {
|
|
ast_cond_destroy(&logcond);
|
|
return -1;
|
|
}
|
|
|
|
/* register the logger cli commands */
|
|
ast_cli_register_multiple(cli_logger, sizeof(cli_logger) / sizeof(struct ast_cli_entry));
|
|
|
|
ast_mkdir(ast_config_AST_LOG_DIR, 0777);
|
|
|
|
/* create log channels */
|
|
init_logger_chain();
|
|
|
|
/* create the eventlog */
|
|
if (logfiles.event_log) {
|
|
snprintf(tmp, sizeof(tmp), "%s/%s", ast_config_AST_LOG_DIR, EVENTLOG);
|
|
eventlog = fopen(tmp, "a");
|
|
if (eventlog) {
|
|
ast_log(LOG_EVENT, "Started Asterisk Event Logger\n");
|
|
if (option_verbose)
|
|
ast_verbose("Asterisk Event Logger Started %s\n", tmp);
|
|
} else {
|
|
ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno));
|
|
res = -1;
|
|
}
|
|
}
|
|
|
|
if (logfiles.queue_log) {
|
|
snprintf(tmp, sizeof(tmp), "%s/%s", ast_config_AST_LOG_DIR, queue_log_name);
|
|
qlog = fopen(tmp, "a");
|
|
ast_queue_log("NONE", "NONE", "NONE", "QUEUESTART", "%s", "");
|
|
}
|
|
return res;
|
|
}
|
|
|
|
void close_logger(void)
|
|
{
|
|
struct logchannel *f = NULL;
|
|
|
|
/* Stop logger thread */
|
|
AST_LIST_LOCK(&logmsgs);
|
|
close_logger_thread = 1;
|
|
ast_cond_signal(&logcond);
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
|
|
AST_LIST_LOCK(&logchannels);
|
|
|
|
if (eventlog) {
|
|
fclose(eventlog);
|
|
eventlog = NULL;
|
|
}
|
|
|
|
if (qlog) {
|
|
fclose(qlog);
|
|
qlog = NULL;
|
|
}
|
|
|
|
AST_LIST_TRAVERSE(&logchannels, f, list) {
|
|
if (f->fileptr && (f->fileptr != stdout) && (f->fileptr != stderr)) {
|
|
fclose(f->fileptr);
|
|
f->fileptr = NULL;
|
|
}
|
|
}
|
|
|
|
closelog(); /* syslog */
|
|
|
|
AST_LIST_UNLOCK(&logchannels);
|
|
|
|
return;
|
|
}
|
|
|
|
/*!
|
|
* \brief send log messages to syslog and/or the console
|
|
*/
|
|
void ast_log(int level, const char *file, int line, const char *function, const char *fmt, ...)
|
|
{
|
|
struct logmsg *logmsg = NULL;
|
|
struct ast_str *buf = NULL;
|
|
struct tm tm;
|
|
time_t t;
|
|
int res = 0;
|
|
va_list ap;
|
|
|
|
if (!(buf = ast_str_thread_get(&log_buf, LOG_BUF_INIT_SIZE)))
|
|
return;
|
|
|
|
if (AST_LIST_EMPTY(&logchannels)) {
|
|
/*
|
|
* we don't have the logger chain configured yet,
|
|
* so just log to stdout
|
|
*/
|
|
if (level != __LOG_VERBOSE) {
|
|
int res;
|
|
va_start(ap, fmt);
|
|
res = ast_str_set_va(&buf, BUFSIZ, fmt, ap); /* XXX BUFSIZ ? */
|
|
va_end(ap);
|
|
if (res != AST_DYNSTR_BUILD_FAILED) {
|
|
term_filter_escapes(buf->str);
|
|
fputs(buf->str, stdout);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* don't display LOG_DEBUG messages unless option_verbose _or_ option_debug
|
|
are non-zero; LOG_DEBUG messages can still be displayed if option_debug
|
|
is zero, if option_verbose is non-zero (this allows for 'level zero'
|
|
LOG_DEBUG messages to be displayed, if the logmask on any channel
|
|
allows it)
|
|
*/
|
|
if (!option_verbose && !option_debug && (level == __LOG_DEBUG))
|
|
return;
|
|
|
|
/* Ignore anything that never gets logged anywhere */
|
|
if (!(global_logmask & (1 << level)))
|
|
return;
|
|
|
|
/* Ignore anything other than the currently debugged file if there is one */
|
|
if ((level == __LOG_DEBUG) && !ast_strlen_zero(debug_filename) && strcasecmp(debug_filename, file))
|
|
return;
|
|
|
|
/* Build string */
|
|
va_start(ap, fmt);
|
|
res = ast_str_set_va(&buf, BUFSIZ, fmt, ap);
|
|
va_end(ap);
|
|
|
|
/* If the build failed, then abort and free this structure */
|
|
if (res == AST_DYNSTR_BUILD_FAILED)
|
|
return;
|
|
|
|
/* Create a new logging message */
|
|
if (!(logmsg = ast_calloc(1, sizeof(*logmsg) + res + 1)))
|
|
return;
|
|
|
|
/* Copy string over */
|
|
strcpy(logmsg->str, buf->str);
|
|
|
|
/* Set type to be normal */
|
|
logmsg->type = LOGMSG_NORMAL;
|
|
|
|
/* Create our date/time */
|
|
time(&t);
|
|
ast_localtime(&t, &tm, NULL);
|
|
strftime(logmsg->date, sizeof(logmsg->date), dateformat, &tm);
|
|
|
|
/* Copy over data */
|
|
logmsg->level = level;
|
|
logmsg->file = file;
|
|
logmsg->line = line;
|
|
logmsg->function = function;
|
|
|
|
/* If the logger thread is active, append it to the tail end of the list - otherwise skip that step */
|
|
if (logthread != AST_PTHREADT_NULL) {
|
|
AST_LIST_LOCK(&logmsgs);
|
|
AST_LIST_INSERT_TAIL(&logmsgs, logmsg, list);
|
|
ast_cond_signal(&logcond);
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
} else {
|
|
logger_print_normal(logmsg);
|
|
free(logmsg);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
void ast_backtrace(void)
|
|
{
|
|
#ifdef Linux
|
|
#ifdef AST_DEVMODE
|
|
int count=0, i=0;
|
|
void **addresses;
|
|
char **strings;
|
|
|
|
if ((addresses = ast_calloc(MAX_BACKTRACE_FRAMES, sizeof(*addresses)))) {
|
|
count = backtrace(addresses, MAX_BACKTRACE_FRAMES);
|
|
if ((strings = backtrace_symbols(addresses, count))) {
|
|
ast_debug(1, "Got %d backtrace record%c\n", count, count != 1 ? 's' : ' ');
|
|
for (i=0; i < count ; i++) {
|
|
ast_debug(1, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]);
|
|
}
|
|
free(strings);
|
|
} else {
|
|
ast_debug(1, "Could not allocate memory for backtrace\n");
|
|
}
|
|
free(addresses);
|
|
}
|
|
#else
|
|
ast_log(LOG_WARNING, "Must run configure with '--enable-dev-mode' for stack backtraces.\n");
|
|
#endif
|
|
#else /* ndef Linux */
|
|
ast_log(LOG_WARNING, "Inline stack backtraces are only available on the Linux platform.\n");
|
|
#endif
|
|
}
|
|
|
|
void ast_verbose(const char *fmt, ...)
|
|
{
|
|
struct logmsg *logmsg = NULL;
|
|
struct ast_str *buf = NULL;
|
|
int res = 0;
|
|
va_list ap;
|
|
|
|
if (!(buf = ast_str_thread_get(&verbose_buf, VERBOSE_BUF_INIT_SIZE)))
|
|
return;
|
|
|
|
if (ast_opt_timestamp) {
|
|
time_t t;
|
|
struct tm tm;
|
|
char date[40];
|
|
char *datefmt;
|
|
|
|
time(&t);
|
|
ast_localtime(&t, &tm, NULL);
|
|
strftime(date, sizeof(date), dateformat, &tm);
|
|
datefmt = alloca(strlen(date) + 3 + strlen(fmt) + 1);
|
|
sprintf(datefmt, "[%s] %s", date, fmt);
|
|
fmt = datefmt;
|
|
}
|
|
|
|
/* Build string */
|
|
va_start(ap, fmt);
|
|
res = ast_str_set_va(&buf, 0, fmt, ap);
|
|
va_end(ap);
|
|
|
|
/* If the build failed then we can drop this allocated message */
|
|
if (res == AST_DYNSTR_BUILD_FAILED)
|
|
return;
|
|
|
|
if (!(logmsg = ast_calloc(1, sizeof(*logmsg) + res + 1)))
|
|
return;
|
|
|
|
strcpy(logmsg->str, buf->str);
|
|
|
|
ast_log(LOG_VERBOSE, logmsg->str);
|
|
|
|
/* Set type */
|
|
logmsg->type = LOGMSG_VERBOSE;
|
|
|
|
/* Add to the list and poke the thread if possible */
|
|
if (logthread != AST_PTHREADT_NULL) {
|
|
AST_LIST_LOCK(&logmsgs);
|
|
AST_LIST_INSERT_TAIL(&logmsgs, logmsg, list);
|
|
ast_cond_signal(&logcond);
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
} else {
|
|
logger_print_verbose(logmsg);
|
|
free(logmsg);
|
|
}
|
|
}
|
|
|
|
int ast_register_verbose(void (*v)(const char *string))
|
|
{
|
|
struct verb *verb;
|
|
|
|
if (!(verb = ast_malloc(sizeof(*verb))))
|
|
return -1;
|
|
|
|
verb->verboser = v;
|
|
|
|
AST_LIST_LOCK(&verbosers);
|
|
AST_LIST_INSERT_HEAD(&verbosers, verb, list);
|
|
AST_LIST_UNLOCK(&verbosers);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_unregister_verbose(void (*v)(const char *string))
|
|
{
|
|
struct verb *cur;
|
|
|
|
AST_LIST_LOCK(&verbosers);
|
|
AST_LIST_TRAVERSE_SAFE_BEGIN(&verbosers, cur, list) {
|
|
if (cur->verboser == v) {
|
|
AST_LIST_REMOVE_CURRENT(&verbosers, list);
|
|
free(cur);
|
|
break;
|
|
}
|
|
}
|
|
AST_LIST_TRAVERSE_SAFE_END
|
|
AST_LIST_UNLOCK(&verbosers);
|
|
|
|
return cur ? 0 : -1;
|
|
}
|