git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@373142 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1953 lines
49 KiB
C
1953 lines
49 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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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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/* When we include logger.h again it will trample on some stuff in syslog.h, but
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* nothing we care about in here. */
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#include <syslog.h>
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#include "asterisk/_private.h"
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#include "asterisk/paths.h" /* use ast_config_AST_LOG_DIR */
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#include "asterisk/logger.h"
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#include "asterisk/lock.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/astobj2.h"
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#include "asterisk/threadstorage.h"
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#include "asterisk/strings.h"
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#include "asterisk/pbx.h"
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#include "asterisk/app.h"
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#include "asterisk/syslog.h"
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#include "asterisk/buildinfo.h"
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#include "asterisk/ast_version.h"
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#include <signal.h>
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#include <time.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#ifdef HAVE_BKTR
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#include <execinfo.h>
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#define MAX_BACKTRACE_FRAMES 20
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# if defined(HAVE_DLADDR) && defined(HAVE_BFD) && defined(BETTER_BACKTRACES)
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# include <dlfcn.h>
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# include <bfd.h>
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# endif
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#endif
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/*** DOCUMENTATION
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***/
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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 char exec_after_rotate[256] = "";
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static int filesize_reload_needed;
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static unsigned int global_logmask = 0xFFFF;
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static int queuelog_init;
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static int logger_initialized;
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static volatile int next_unique_callid; /* Used to assign unique call_ids to calls */
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static int display_callids;
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static void unique_callid_cleanup(void *data);
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struct ast_callid {
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int call_identifier; /* Numerical value of the call displayed in the logs */
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};
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AST_THREADSTORAGE_CUSTOM(unique_callid, NULL, unique_callid_cleanup);
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static enum rotatestrategy {
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NONE = 0, /* Do not rotate log files at all, instead rely on external mechanisms */
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SEQUENTIAL = 1 << 0, /* Original method - create a new file, in order */
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ROTATE = 1 << 1, /* Rotate all files, such that the oldest file has the highest suffix */
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TIMESTAMP = 1 << 2, /* Append the epoch timestamp onto the end of the archived file */
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} rotatestrategy = SEQUENTIAL;
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static struct {
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unsigned int queue_log:1;
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unsigned int queue_log_to_file:1;
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unsigned int queue_adaptive_realtime:1;
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} logfiles = { 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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/*! What to log to this channel */
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unsigned int logmask;
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/*! If this channel is disabled or not */
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int disabled;
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/*! syslog facility */
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int facility;
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/*! Verbosity level */
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int verbosity;
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/*! Type of log channel */
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enum logtypes type;
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/*! logfile logging file pointer */
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FILE *fileptr;
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/*! Filename */
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char filename[PATH_MAX];
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/*! field for linking to list */
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AST_LIST_ENTRY(logchannel) list;
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/*! Line number from configuration file */
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int lineno;
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/*! Components (levels) from last config load */
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char components[0];
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};
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static AST_RWLIST_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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int level;
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int line;
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int lwp;
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struct ast_callid *callid;
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AST_DECLARE_STRING_FIELDS(
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AST_STRING_FIELD(date);
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AST_STRING_FIELD(file);
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AST_STRING_FIELD(function);
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AST_STRING_FIELD(message);
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AST_STRING_FIELD(level_name);
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);
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AST_LIST_ENTRY(logmsg) list;
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};
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static void logmsg_free(struct logmsg *msg)
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{
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if (msg->callid) {
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ast_callid_unref(msg->callid);
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}
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ast_free(msg);
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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 = 0;
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static FILE *qlog;
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/*! \brief Logging channels used in the Asterisk logging system
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*
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* The first 16 levels are reserved for system usage, and the remaining
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* levels are reserved for usage by dynamic levels registered via
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* ast_logger_register_level.
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*/
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/* Modifications to this array are protected by the rwlock in the
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* logchannels list.
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*/
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static char *levels[NUMLOGLEVELS] = {
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"DEBUG",
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"---EVENT---", /* no longer used */
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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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/*! \brief Colors used in the console for logging */
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static const int colors[NUMLOGLEVELS] = {
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COLOR_BRGREEN,
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COLOR_BRBLUE, /* no longer used */
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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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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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COLOR_BRBLUE,
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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 void logger_queue_init(void);
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static unsigned int make_components(const char *s, int lineno, int *verbosity)
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{
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char *w;
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unsigned int res = 0;
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char *stringp = ast_strdupa(s);
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unsigned int x;
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*verbosity = 3;
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while ((w = strsep(&stringp, ","))) {
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w = ast_skip_blanks(w);
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if (!strcmp(w, "*")) {
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res = 0xFFFFFFFF;
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break;
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} else if (!strncasecmp(w, "verbose(", 8) && sscanf(w + 8, "%d)", verbosity) == 1) {
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res |= (1 << __LOG_VERBOSE);
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break;
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} else for (x = 0; x < ARRAY_LEN(levels); x++) {
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if (levels[x] && !strcasecmp(w, levels[x])) {
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res |= (1 << x);
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break;
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}
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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(const char *channel, const 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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struct ast_tm tm;
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struct timeval now = ast_tvnow();
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char datestring[256];
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if (ast_strlen_zero(channel) || !(chan = ast_calloc(1, sizeof(*chan) + strlen(components) + 1)))
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return NULL;
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strcpy(chan->components, components);
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chan->lineno = lineno;
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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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chan->facility = ast_syslog_facility(facility);
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if (chan->facility < 0) {
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fprintf(stderr, "Logger Warning: bad syslog facility in logger.conf\n");
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ast_free(chan);
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return NULL;
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}
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chan->type = LOGTYPE_SYSLOG;
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ast_copy_string(chan->filename, channel, sizeof(chan->filename));
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openlog("asterisk", LOG_PID, chan->facility);
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} else {
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if (!ast_strlen_zero(hostname)) {
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snprintf(chan->filename, sizeof(chan->filename), "%s/%s.%s",
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channel[0] != '/' ? ast_config_AST_LOG_DIR : "", channel, hostname);
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} else {
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snprintf(chan->filename, sizeof(chan->filename), "%s/%s",
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channel[0] != '/' ? ast_config_AST_LOG_DIR : "", channel);
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}
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if (!(chan->fileptr = fopen(chan->filename, "a"))) {
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/* Can't do real logging here since we're called with a lock
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* so log to any attached consoles */
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ast_console_puts_mutable("ERROR: Unable to open log file '", __LOG_ERROR);
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ast_console_puts_mutable(chan->filename, __LOG_ERROR);
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ast_console_puts_mutable("': ", __LOG_ERROR);
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ast_console_puts_mutable(strerror(errno), __LOG_ERROR);
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ast_console_puts_mutable("'\n", __LOG_ERROR);
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ast_free(chan);
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return NULL;
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} else {
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/* Create our date/time */
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ast_localtime(&now, &tm, NULL);
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ast_strftime(datestring, sizeof(datestring), dateformat, &tm);
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fprintf(chan->fileptr, "[%s] Asterisk %s built by %s @ %s on a %s running %s on %s\n",
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datestring, ast_get_version(), ast_build_user, ast_build_hostname,
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ast_build_machine, ast_build_os, ast_build_date);
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fflush(chan->fileptr);
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}
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chan->type = LOGTYPE_FILE;
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}
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chan->logmask = make_components(chan->components, lineno, &chan->verbosity);
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return chan;
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}
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static void init_logger_chain(int locked, const char *altconf)
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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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struct ast_flags config_flags = { 0 };
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display_callids = 1;
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if (!(cfg = ast_config_load2(S_OR(altconf, "logger.conf"), "logger", config_flags)) || cfg == CONFIG_STATUS_FILEINVALID) {
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return;
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}
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/* delete our list of log channels */
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if (!locked) {
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AST_RWLIST_WRLOCK(&logchannels);
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}
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while ((chan = AST_RWLIST_REMOVE_HEAD(&logchannels, list))) {
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ast_free(chan);
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}
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global_logmask = 0;
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if (!locked) {
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AST_RWLIST_UNLOCK(&logchannels);
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}
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errno = 0;
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/* close syslog */
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closelog();
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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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}
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if (!(chan = ast_calloc(1, sizeof(*chan)))) {
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return;
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}
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chan->type = LOGTYPE_CONSOLE;
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chan->logmask = __LOG_WARNING | __LOG_NOTICE | __LOG_ERROR;
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if (!locked) {
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AST_RWLIST_WRLOCK(&logchannels);
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}
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AST_RWLIST_INSERT_HEAD(&logchannels, chan, list);
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global_logmask |= chan->logmask;
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if (!locked) {
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AST_RWLIST_UNLOCK(&logchannels);
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}
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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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fprintf(stderr, "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", "display_callids"))) {
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display_callids = ast_true(s);
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}
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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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}
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if ((s = ast_variable_retrieve(cfg, "general", "queue_log_to_file"))) {
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logfiles.queue_log_to_file = ast_true(s);
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}
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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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}
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if ((s = ast_variable_retrieve(cfg, "general", "exec_after_rotate"))) {
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ast_copy_string(exec_after_rotate, s, sizeof(exec_after_rotate));
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}
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if ((s = ast_variable_retrieve(cfg, "general", "rotatestrategy"))) {
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if (strcasecmp(s, "timestamp") == 0) {
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rotatestrategy = TIMESTAMP;
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} else if (strcasecmp(s, "rotate") == 0) {
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rotatestrategy = ROTATE;
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} else if (strcasecmp(s, "sequential") == 0) {
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rotatestrategy = SEQUENTIAL;
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} else if (strcasecmp(s, "none") == 0) {
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rotatestrategy = NONE;
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} else {
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fprintf(stderr, "Unknown rotatestrategy: %s\n", s);
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}
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} else {
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if ((s = ast_variable_retrieve(cfg, "general", "rotatetimestamp"))) {
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rotatestrategy = ast_true(s) ? TIMESTAMP : SEQUENTIAL;
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fprintf(stderr, "rotatetimestamp option has been deprecated. Please use rotatestrategy instead.\n");
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}
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}
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if (!locked) {
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AST_RWLIST_WRLOCK(&logchannels);
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}
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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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/* Print error message directly to the consoles since the lock is held
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* and we don't want to unlock with the list partially built */
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ast_console_puts_mutable("ERROR: Unable to create log channel '", __LOG_ERROR);
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ast_console_puts_mutable(var->name, __LOG_ERROR);
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ast_console_puts_mutable("'\n", __LOG_ERROR);
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continue;
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}
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AST_RWLIST_INSERT_HEAD(&logchannels, chan, list);
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global_logmask |= chan->logmask;
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}
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if (qlog) {
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fclose(qlog);
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qlog = NULL;
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}
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if (!locked) {
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AST_RWLIST_UNLOCK(&logchannels);
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}
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ast_config_destroy(cfg);
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}
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void ast_child_verbose(int level, const char *fmt, ...)
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{
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char *msg = NULL, *emsg = NULL, *sptr, *eptr;
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va_list ap, aq;
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int size;
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va_start(ap, fmt);
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va_copy(aq, ap);
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if ((size = vsnprintf(msg, 0, fmt, ap)) < 0) {
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va_end(ap);
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va_end(aq);
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return;
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}
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va_end(ap);
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if (!(msg = ast_malloc(size + 1))) {
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va_end(aq);
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return;
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}
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vsnprintf(msg, size + 1, fmt, aq);
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va_end(aq);
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if (!(emsg = ast_malloc(size * 2 + 1))) {
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ast_free(msg);
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return;
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}
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for (sptr = msg, eptr = emsg; ; sptr++) {
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if (*sptr == '"') {
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*eptr++ = '\\';
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}
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*eptr++ = *sptr;
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if (*sptr == '\0') {
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break;
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}
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}
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ast_free(msg);
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fprintf(stdout, "verbose \"%s\" %d\n", emsg, level);
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fflush(stdout);
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ast_free(emsg);
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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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{
|
|
va_list ap;
|
|
struct timeval tv;
|
|
struct ast_tm tm;
|
|
char qlog_msg[8192];
|
|
int qlog_len;
|
|
char time_str[30];
|
|
|
|
if (!logger_initialized) {
|
|
/* You are too early. We are not open yet! */
|
|
return;
|
|
}
|
|
if (!queuelog_init) {
|
|
AST_RWLIST_WRLOCK(&logchannels);
|
|
if (!queuelog_init) {
|
|
/*
|
|
* We have delayed initializing the queue logging system so
|
|
* preloaded realtime modules can get up. We must initialize
|
|
* now since someone is trying to log something.
|
|
*/
|
|
logger_queue_init();
|
|
queuelog_init = 1;
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
ast_queue_log("NONE", "NONE", "NONE", "QUEUESTART", "%s", "");
|
|
} else {
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
}
|
|
}
|
|
|
|
if (ast_check_realtime("queue_log")) {
|
|
tv = ast_tvnow();
|
|
ast_localtime(&tv, &tm, NULL);
|
|
ast_strftime(time_str, sizeof(time_str), "%F %T.%6q", &tm);
|
|
va_start(ap, fmt);
|
|
vsnprintf(qlog_msg, sizeof(qlog_msg), fmt, ap);
|
|
va_end(ap);
|
|
if (logfiles.queue_adaptive_realtime) {
|
|
AST_DECLARE_APP_ARGS(args,
|
|
AST_APP_ARG(data)[5];
|
|
);
|
|
AST_NONSTANDARD_APP_ARGS(args, qlog_msg, '|');
|
|
/* Ensure fields are large enough to receive data */
|
|
ast_realtime_require_field("queue_log",
|
|
"data1", RQ_CHAR, strlen(S_OR(args.data[0], "")),
|
|
"data2", RQ_CHAR, strlen(S_OR(args.data[1], "")),
|
|
"data3", RQ_CHAR, strlen(S_OR(args.data[2], "")),
|
|
"data4", RQ_CHAR, strlen(S_OR(args.data[3], "")),
|
|
"data5", RQ_CHAR, strlen(S_OR(args.data[4], "")),
|
|
SENTINEL);
|
|
|
|
/* Store the log */
|
|
ast_store_realtime("queue_log", "time", time_str,
|
|
"callid", callid,
|
|
"queuename", queuename,
|
|
"agent", agent,
|
|
"event", event,
|
|
"data1", S_OR(args.data[0], ""),
|
|
"data2", S_OR(args.data[1], ""),
|
|
"data3", S_OR(args.data[2], ""),
|
|
"data4", S_OR(args.data[3], ""),
|
|
"data5", S_OR(args.data[4], ""),
|
|
SENTINEL);
|
|
} else {
|
|
ast_store_realtime("queue_log", "time", time_str,
|
|
"callid", callid,
|
|
"queuename", queuename,
|
|
"agent", agent,
|
|
"event", event,
|
|
"data", qlog_msg,
|
|
SENTINEL);
|
|
}
|
|
|
|
if (!logfiles.queue_log_to_file) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (qlog) {
|
|
va_start(ap, fmt);
|
|
qlog_len = snprintf(qlog_msg, sizeof(qlog_msg), "%ld|%s|%s|%s|%s|", (long)time(NULL), callid, queuename, agent, event);
|
|
vsnprintf(qlog_msg + qlog_len, sizeof(qlog_msg) - qlog_len, fmt, ap);
|
|
va_end(ap);
|
|
AST_RWLIST_RDLOCK(&logchannels);
|
|
if (qlog) {
|
|
fprintf(qlog, "%s\n", qlog_msg);
|
|
fflush(qlog);
|
|
}
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
}
|
|
}
|
|
|
|
static int rotate_file(const char *filename)
|
|
{
|
|
char old[PATH_MAX];
|
|
char new[PATH_MAX];
|
|
int x, y, which, found, res = 0, fd;
|
|
char *suffixes[4] = { "", ".gz", ".bz2", ".Z" };
|
|
|
|
switch (rotatestrategy) {
|
|
case NONE:
|
|
/* No rotation */
|
|
break;
|
|
case SEQUENTIAL:
|
|
for (x = 0; ; x++) {
|
|
snprintf(new, sizeof(new), "%s.%d", filename, x);
|
|
fd = open(new, O_RDONLY);
|
|
if (fd > -1)
|
|
close(fd);
|
|
else
|
|
break;
|
|
}
|
|
if (rename(filename, new)) {
|
|
fprintf(stderr, "Unable to rename file '%s' to '%s'\n", filename, new);
|
|
res = -1;
|
|
} else {
|
|
filename = new;
|
|
}
|
|
break;
|
|
case TIMESTAMP:
|
|
snprintf(new, sizeof(new), "%s.%ld", filename, (long)time(NULL));
|
|
if (rename(filename, new)) {
|
|
fprintf(stderr, "Unable to rename file '%s' to '%s'\n", filename, new);
|
|
res = -1;
|
|
} else {
|
|
filename = new;
|
|
}
|
|
break;
|
|
case ROTATE:
|
|
/* Find the next empty slot, including a possible suffix */
|
|
for (x = 0; ; x++) {
|
|
found = 0;
|
|
for (which = 0; which < ARRAY_LEN(suffixes); which++) {
|
|
snprintf(new, sizeof(new), "%s.%d%s", filename, x, suffixes[which]);
|
|
fd = open(new, O_RDONLY);
|
|
if (fd > -1) {
|
|
close(fd);
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Found an empty slot */
|
|
for (y = x; y > 0; y--) {
|
|
for (which = 0; which < ARRAY_LEN(suffixes); which++) {
|
|
snprintf(old, sizeof(old), "%s.%d%s", filename, y - 1, suffixes[which]);
|
|
fd = open(old, O_RDONLY);
|
|
if (fd > -1) {
|
|
/* Found the right suffix */
|
|
close(fd);
|
|
snprintf(new, sizeof(new), "%s.%d%s", filename, y, suffixes[which]);
|
|
if (rename(old, new)) {
|
|
fprintf(stderr, "Unable to rename file '%s' to '%s'\n", old, new);
|
|
res = -1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Finally, rename the current file */
|
|
snprintf(new, sizeof(new), "%s.0", filename);
|
|
if (rename(filename, new)) {
|
|
fprintf(stderr, "Unable to rename file '%s' to '%s'\n", filename, new);
|
|
res = -1;
|
|
} else {
|
|
filename = new;
|
|
}
|
|
}
|
|
|
|
if (!ast_strlen_zero(exec_after_rotate)) {
|
|
struct ast_channel *c = ast_dummy_channel_alloc();
|
|
char buf[512];
|
|
|
|
pbx_builtin_setvar_helper(c, "filename", filename);
|
|
pbx_substitute_variables_helper(c, exec_after_rotate, buf, sizeof(buf));
|
|
if (c) {
|
|
c = ast_channel_unref(c);
|
|
}
|
|
if (ast_safe_system(buf) == -1) {
|
|
ast_log(LOG_WARNING, "error executing '%s'\n", buf);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Start the realtime queue logging if configured.
|
|
*
|
|
* \retval TRUE if not to open queue log file.
|
|
*/
|
|
static int logger_queue_rt_start(void)
|
|
{
|
|
if (ast_check_realtime("queue_log")) {
|
|
if (!ast_realtime_require_field("queue_log",
|
|
"time", RQ_DATETIME, 26,
|
|
"data1", RQ_CHAR, 20,
|
|
"data2", RQ_CHAR, 20,
|
|
"data3", RQ_CHAR, 20,
|
|
"data4", RQ_CHAR, 20,
|
|
"data5", RQ_CHAR, 20,
|
|
SENTINEL)) {
|
|
logfiles.queue_adaptive_realtime = 1;
|
|
} else {
|
|
logfiles.queue_adaptive_realtime = 0;
|
|
}
|
|
|
|
if (!logfiles.queue_log_to_file) {
|
|
/* Don't open the log file. */
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Rotate the queue log file and restart.
|
|
*
|
|
* \param queue_rotate Log queue rotation mode.
|
|
*
|
|
* \note Assumes logchannels is write locked on entry.
|
|
*
|
|
* \retval 0 on success.
|
|
* \retval -1 on error.
|
|
*/
|
|
static int logger_queue_restart(int queue_rotate)
|
|
{
|
|
int res = 0;
|
|
char qfname[PATH_MAX];
|
|
|
|
if (logger_queue_rt_start()) {
|
|
return res;
|
|
}
|
|
|
|
snprintf(qfname, sizeof(qfname), "%s/%s", ast_config_AST_LOG_DIR, queue_log_name);
|
|
if (qlog) {
|
|
/* Just in case it was still open. */
|
|
fclose(qlog);
|
|
qlog = NULL;
|
|
}
|
|
if (queue_rotate) {
|
|
rotate_file(qfname);
|
|
}
|
|
|
|
/* Open the log file. */
|
|
qlog = fopen(qfname, "a");
|
|
if (!qlog) {
|
|
ast_log(LOG_ERROR, "Unable to create queue log: %s\n", strerror(errno));
|
|
res = -1;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int reload_logger(int rotate, const char *altconf)
|
|
{
|
|
int queue_rotate = rotate;
|
|
struct logchannel *f;
|
|
int res = 0;
|
|
|
|
AST_RWLIST_WRLOCK(&logchannels);
|
|
|
|
if (qlog) {
|
|
if (rotate < 0) {
|
|
/* Check filesize - this one typically doesn't need an auto-rotate */
|
|
if (ftello(qlog) > 0x40000000) { /* Arbitrarily, 1 GB */
|
|
fclose(qlog);
|
|
qlog = NULL;
|
|
} else {
|
|
queue_rotate = 0;
|
|
}
|
|
} else {
|
|
fclose(qlog);
|
|
qlog = NULL;
|
|
}
|
|
} else {
|
|
queue_rotate = 0;
|
|
}
|
|
|
|
ast_mkdir(ast_config_AST_LOG_DIR, 0777);
|
|
|
|
AST_RWLIST_TRAVERSE(&logchannels, f, list) {
|
|
if (f->disabled) {
|
|
f->disabled = 0; /* Re-enable logging at reload */
|
|
/*** DOCUMENTATION
|
|
<managerEventInstance>
|
|
<synopsis>Raised when a logging channel is re-enabled after a reload operation.</synopsis>
|
|
<syntax>
|
|
<parameter name="Channel">
|
|
<para>The name of the logging channel.</para>
|
|
</parameter>
|
|
</syntax>
|
|
</managerEventInstance>
|
|
***/
|
|
manager_event(EVENT_FLAG_SYSTEM, "LogChannel", "Channel: %s\r\nEnabled: Yes\r\n", f->filename);
|
|
}
|
|
if (f->fileptr && (f->fileptr != stdout) && (f->fileptr != stderr)) {
|
|
int rotate_this = 0;
|
|
if (rotatestrategy != NONE && ftello(f->fileptr) > 0x40000000) { /* Arbitrarily, 1 GB */
|
|
/* Be more proactive about rotating massive log files */
|
|
rotate_this = 1;
|
|
}
|
|
fclose(f->fileptr); /* Close file */
|
|
f->fileptr = NULL;
|
|
if (rotate || rotate_this) {
|
|
rotate_file(f->filename);
|
|
}
|
|
}
|
|
}
|
|
|
|
filesize_reload_needed = 0;
|
|
|
|
init_logger_chain(1 /* locked */, altconf);
|
|
|
|
ast_unload_realtime("queue_log");
|
|
if (logfiles.queue_log) {
|
|
res = logger_queue_restart(queue_rotate);
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
ast_queue_log("NONE", "NONE", "NONE", "CONFIGRELOAD", "%s", "");
|
|
ast_verb(1, "Asterisk Queue Logger restarted\n");
|
|
} else {
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/*! \brief Reload the logger module without rotating log files (also used from loader.c during
|
|
a full Asterisk reload) */
|
|
int logger_reload(void)
|
|
{
|
|
if (reload_logger(0, NULL)) {
|
|
return RESULT_FAILURE;
|
|
}
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char *handle_logger_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "logger reload";
|
|
e->usage =
|
|
"Usage: logger reload [<alt-conf>]\n"
|
|
" Reloads the logger subsystem state. Use after restarting syslogd(8) if you are using syslog logging.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
if (reload_logger(0, a->argc == 3 ? a->argv[2] : NULL)) {
|
|
ast_cli(a->fd, "Failed to reload the logger\n");
|
|
return CLI_FAILURE;
|
|
}
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_logger_rotate(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "logger rotate";
|
|
e->usage =
|
|
"Usage: logger rotate\n"
|
|
" Rotates and Reopens the log files.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
if (reload_logger(1, NULL)) {
|
|
ast_cli(a->fd, "Failed to reload the logger and rotate log files\n");
|
|
return CLI_FAILURE;
|
|
}
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_logger_set_level(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
int x;
|
|
int state;
|
|
int level = -1;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "logger set level {DEBUG|NOTICE|WARNING|ERROR|VERBOSE|DTMF} {on|off}";
|
|
e->usage =
|
|
"Usage: logger set level {DEBUG|NOTICE|WARNING|ERROR|VERBOSE|DTMF} {on|off}\n"
|
|
" Set a specific log level to enabled/disabled for this console.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc < 5)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
AST_RWLIST_WRLOCK(&logchannels);
|
|
|
|
for (x = 0; x < ARRAY_LEN(levels); x++) {
|
|
if (levels[x] && !strcasecmp(a->argv[3], levels[x])) {
|
|
level = x;
|
|
break;
|
|
}
|
|
}
|
|
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
|
|
state = ast_true(a->argv[4]) ? 1 : 0;
|
|
|
|
if (level != -1) {
|
|
ast_console_toggle_loglevel(a->fd, level, state);
|
|
ast_cli(a->fd, "Logger status for '%s' has been set to '%s'.\n", levels[level], state ? "on" : "off");
|
|
} else
|
|
return CLI_SHOWUSAGE;
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
/*! \brief CLI command to show logging system configuration */
|
|
static char *handle_logger_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
#define FORMATL "%-35.35s %-8.8s %-9.9s "
|
|
struct logchannel *chan;
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "logger show channels";
|
|
e->usage =
|
|
"Usage: logger show channels\n"
|
|
" List configured logger channels.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
ast_cli(a->fd, FORMATL, "Channel", "Type", "Status");
|
|
ast_cli(a->fd, "Configuration\n");
|
|
ast_cli(a->fd, FORMATL, "-------", "----", "------");
|
|
ast_cli(a->fd, "-------------\n");
|
|
AST_RWLIST_RDLOCK(&logchannels);
|
|
AST_RWLIST_TRAVERSE(&logchannels, chan, list) {
|
|
unsigned int level;
|
|
|
|
ast_cli(a->fd, FORMATL, chan->filename, chan->type == LOGTYPE_CONSOLE ? "Console" : (chan->type == LOGTYPE_SYSLOG ? "Syslog" : "File"),
|
|
chan->disabled ? "Disabled" : "Enabled");
|
|
ast_cli(a->fd, " - ");
|
|
for (level = 0; level < ARRAY_LEN(levels); level++) {
|
|
if ((chan->logmask & (1 << level)) && levels[level]) {
|
|
ast_cli(a->fd, "%s ", levels[level]);
|
|
}
|
|
}
|
|
ast_cli(a->fd, "\n");
|
|
}
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
ast_cli(a->fd, "\n");
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
struct verb {
|
|
void (*verboser)(const char *string);
|
|
AST_LIST_ENTRY(verb) list;
|
|
};
|
|
|
|
static AST_RWLIST_HEAD_STATIC(verbosers, verb);
|
|
|
|
static struct ast_cli_entry cli_logger[] = {
|
|
AST_CLI_DEFINE(handle_logger_show_channels, "List configured log channels"),
|
|
AST_CLI_DEFINE(handle_logger_reload, "Reopens the log files"),
|
|
AST_CLI_DEFINE(handle_logger_rotate, "Rotates and reopens the log files"),
|
|
AST_CLI_DEFINE(handle_logger_set_level, "Enables/Disables a specific logging level for this console")
|
|
};
|
|
|
|
static void _handle_SIGXFSZ(int sig)
|
|
{
|
|
/* Indicate need to reload */
|
|
filesize_reload_needed = 1;
|
|
}
|
|
|
|
static struct sigaction handle_SIGXFSZ = {
|
|
.sa_handler = _handle_SIGXFSZ,
|
|
.sa_flags = SA_RESTART,
|
|
};
|
|
|
|
static void ast_log_vsyslog(struct logmsg *msg)
|
|
{
|
|
char buf[BUFSIZ];
|
|
int syslog_level = ast_syslog_priority_from_loglevel(msg->level);
|
|
|
|
if (syslog_level < 0) {
|
|
/* we are locked here, so cannot ast_log() */
|
|
fprintf(stderr, "ast_log_vsyslog called with bogus level: %d\n", msg->level);
|
|
return;
|
|
}
|
|
|
|
snprintf(buf, sizeof(buf), "%s[%d]: %s:%d in %s: %s",
|
|
levels[msg->level], msg->lwp, msg->file, msg->line, msg->function, msg->message);
|
|
|
|
term_strip(buf, buf, strlen(buf) + 1);
|
|
syslog(syslog_level, "%s", buf);
|
|
}
|
|
|
|
/* These gymnastics are due to platforms which designate char as unsigned by
|
|
* default. Level is the negative character -- offset by 1, because \0 is the
|
|
* EOS delimiter. */
|
|
#define VERBOSE_MAGIC2LEVEL(x) (((char) -*(signed char *) (x)) - 1)
|
|
#define VERBOSE_HASMAGIC(x) (*(signed char *) (x) < 0)
|
|
|
|
/*! \brief Print a normal log message to the channels */
|
|
static void logger_print_normal(struct logmsg *logmsg)
|
|
{
|
|
struct logchannel *chan = NULL;
|
|
char buf[BUFSIZ];
|
|
struct verb *v = NULL;
|
|
int level = 0;
|
|
|
|
if (logmsg->level == __LOG_VERBOSE) {
|
|
char *tmpmsg = ast_strdupa(logmsg->message + 1);
|
|
level = VERBOSE_MAGIC2LEVEL(logmsg->message);
|
|
/* Iterate through the list of verbosers and pass them the log message string */
|
|
AST_RWLIST_RDLOCK(&verbosers);
|
|
AST_RWLIST_TRAVERSE(&verbosers, v, list)
|
|
v->verboser(logmsg->message);
|
|
AST_RWLIST_UNLOCK(&verbosers);
|
|
ast_string_field_set(logmsg, message, tmpmsg);
|
|
}
|
|
|
|
AST_RWLIST_RDLOCK(&logchannels);
|
|
|
|
if (!AST_RWLIST_EMPTY(&logchannels)) {
|
|
AST_RWLIST_TRAVERSE(&logchannels, chan, list) {
|
|
char call_identifier_str[13];
|
|
|
|
if (logmsg->callid) {
|
|
snprintf(call_identifier_str, sizeof(call_identifier_str), "[C-%08x]", logmsg->callid->call_identifier);
|
|
} else {
|
|
call_identifier_str[0] = '\0';
|
|
}
|
|
|
|
|
|
/* If the channel is disabled, then move on to the next one */
|
|
if (chan->disabled) {
|
|
continue;
|
|
}
|
|
if (logmsg->level == __LOG_VERBOSE && level > chan->verbosity) {
|
|
continue;
|
|
}
|
|
|
|
/* Check syslog channels */
|
|
if (chan->type == LOGTYPE_SYSLOG && (chan->logmask & (1 << logmsg->level))) {
|
|
ast_log_vsyslog(logmsg);
|
|
/* 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[%d]%s: %s:%s %s: %s",
|
|
logmsg->date,
|
|
term_color(tmp1, logmsg->level_name, colors[logmsg->level], 0, sizeof(tmp1)),
|
|
logmsg->lwp,
|
|
call_identifier_str,
|
|
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->message);
|
|
/* Print out */
|
|
ast_console_puts_mutable(buf, logmsg->level);
|
|
/* 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[%d]%s %s: %s",
|
|
logmsg->date, logmsg->level_name, logmsg->lwp, call_identifier_str,
|
|
logmsg->file, term_strip(buf, logmsg->message, BUFSIZ));
|
|
if (res <= 0 && !ast_strlen_zero(logmsg->message)) {
|
|
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));
|
|
/*** DOCUMENTATION
|
|
<managerEventInstance>
|
|
<synopsis>Raised when a logging channel is disabled.</synopsis>
|
|
<syntax>
|
|
<parameter name="Channel">
|
|
<para>The name of the logging channel.</para>
|
|
</parameter>
|
|
</syntax>
|
|
</managerEventInstance>
|
|
***/
|
|
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->message, stdout);
|
|
}
|
|
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
|
|
/* If we need to reload because of the file size, then do so */
|
|
if (filesize_reload_needed) {
|
|
reload_logger(-1, NULL);
|
|
ast_verb(1, "Rotated Logs Per SIGXFSZ (Exceeded file size limit)\n");
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/*! \brief 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)) {
|
|
if (close_logger_thread) {
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
break;
|
|
} else {
|
|
ast_cond_wait(&logcond, &logmsgs.lock);
|
|
}
|
|
}
|
|
next = AST_LIST_FIRST(&logmsgs);
|
|
AST_LIST_HEAD_INIT_NOLOCK(&logmsgs);
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
|
|
/* 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 */
|
|
logger_print_normal(msg);
|
|
|
|
/* Free the data since we are done */
|
|
logmsg_free(msg);
|
|
}
|
|
|
|
/* If we should stop, then stop */
|
|
if (close_logger_thread)
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Initialize the logger queue.
|
|
*
|
|
* \note Assumes logchannels is write locked on entry.
|
|
*
|
|
* \return Nothing
|
|
*/
|
|
static void logger_queue_init(void)
|
|
{
|
|
ast_unload_realtime("queue_log");
|
|
if (logfiles.queue_log) {
|
|
char qfname[PATH_MAX];
|
|
|
|
if (logger_queue_rt_start()) {
|
|
return;
|
|
}
|
|
|
|
/* Open the log file. */
|
|
snprintf(qfname, sizeof(qfname), "%s/%s", ast_config_AST_LOG_DIR,
|
|
queue_log_name);
|
|
if (qlog) {
|
|
/* Just in case it was already open. */
|
|
fclose(qlog);
|
|
}
|
|
qlog = fopen(qfname, "a");
|
|
if (!qlog) {
|
|
ast_log(LOG_ERROR, "Unable to create queue log: %s\n", strerror(errno));
|
|
}
|
|
}
|
|
}
|
|
|
|
int init_logger(void)
|
|
{
|
|
/* auto rotate if sig SIGXFSZ comes a-knockin */
|
|
sigaction(SIGXFSZ, &handle_SIGXFSZ, NULL);
|
|
|
|
/* 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, ARRAY_LEN(cli_logger));
|
|
|
|
ast_mkdir(ast_config_AST_LOG_DIR, 0777);
|
|
|
|
/* create log channels */
|
|
init_logger_chain(0 /* locked */, NULL);
|
|
logger_initialized = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void close_logger(void)
|
|
{
|
|
struct logchannel *f = NULL;
|
|
|
|
logger_initialized = 0;
|
|
|
|
/* Stop logger thread */
|
|
AST_LIST_LOCK(&logmsgs);
|
|
close_logger_thread = 1;
|
|
ast_cond_signal(&logcond);
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
|
|
if (logthread != AST_PTHREADT_NULL)
|
|
pthread_join(logthread, NULL);
|
|
|
|
AST_RWLIST_WRLOCK(&logchannels);
|
|
|
|
if (qlog) {
|
|
fclose(qlog);
|
|
qlog = NULL;
|
|
}
|
|
|
|
AST_RWLIST_TRAVERSE(&logchannels, f, list) {
|
|
if (f->fileptr && (f->fileptr != stdout) && (f->fileptr != stderr)) {
|
|
fclose(f->fileptr);
|
|
f->fileptr = NULL;
|
|
}
|
|
}
|
|
|
|
closelog(); /* syslog */
|
|
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
}
|
|
|
|
void ast_callid_strnprint(char *buffer, size_t buffer_size, struct ast_callid *callid)
|
|
{
|
|
snprintf(buffer, buffer_size, "[C-%08x]", callid->call_identifier);
|
|
}
|
|
|
|
struct ast_callid *ast_create_callid(void)
|
|
{
|
|
struct ast_callid *call;
|
|
int using;
|
|
|
|
if (!(call = ao2_alloc(sizeof(struct ast_callid), NULL))) {
|
|
ast_log(LOG_ERROR, "Could not allocate callid struct.\n");
|
|
return NULL;
|
|
}
|
|
|
|
using = ast_atomic_fetchadd_int(&next_unique_callid, +1);
|
|
|
|
call->call_identifier = using;
|
|
ast_debug(3, "CALL_ID [C-%08x] created by thread.\n", call->call_identifier);
|
|
return call;
|
|
}
|
|
|
|
struct ast_callid *ast_read_threadstorage_callid(void)
|
|
{
|
|
struct ast_callid **callid;
|
|
callid = ast_threadstorage_get(&unique_callid, sizeof(struct ast_callid **));
|
|
if (callid && *callid) {
|
|
ast_callid_ref(*callid);
|
|
return *callid;
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
int ast_callid_threadassoc_add(struct ast_callid *callid)
|
|
{
|
|
struct ast_callid **pointing;
|
|
pointing = ast_threadstorage_get(&unique_callid, sizeof(struct ast_callid **));
|
|
if (!(pointing)) {
|
|
ast_log(LOG_ERROR, "Failed to allocate thread storage.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!(*pointing)) {
|
|
/* callid will be unreffed at thread destruction */
|
|
ast_callid_ref(callid);
|
|
*pointing = callid;
|
|
ast_debug(3, "CALL_ID [C-%08x] bound to thread.\n", callid->call_identifier);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Attempted to ast_callid_threadassoc_add on thread already associated with a callid.\n");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_callid_threadassoc_remove()
|
|
{
|
|
struct ast_callid **pointing;
|
|
pointing = ast_threadstorage_get(&unique_callid, sizeof(struct ast_callid **));
|
|
if (!(pointing)) {
|
|
ast_log(LOG_ERROR, "Failed to allocate thread storage.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!(*pointing)) {
|
|
ast_log(LOG_ERROR, "Tried to clean callid thread storage with no callid in thread storage.\n");
|
|
return -1;
|
|
} else {
|
|
ast_debug(3, "CALL_ID [C-%08x] being removed from thread.\n", (*pointing)->call_identifier);
|
|
*pointing = ast_callid_unref(*pointing);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
int ast_callid_threadstorage_auto(struct ast_callid **callid)
|
|
{
|
|
struct ast_callid *tmp;
|
|
|
|
/* Start by trying to see if a callid is available from thread storage */
|
|
tmp = ast_read_threadstorage_callid();
|
|
if (tmp) {
|
|
*callid = tmp;
|
|
return 0;
|
|
}
|
|
|
|
/* If that failed, try to create a new one and bind it. */
|
|
tmp = ast_create_callid();
|
|
if (tmp) {
|
|
ast_callid_threadassoc_add(tmp);
|
|
*callid = tmp;
|
|
return 1;
|
|
}
|
|
|
|
/* If neither worked, then something must have gone wrong. */
|
|
return -1;
|
|
}
|
|
|
|
void ast_callid_threadstorage_auto_clean(struct ast_callid *callid, int callid_created)
|
|
{
|
|
if (callid) {
|
|
/* If the callid was created rather than simply grabbed from the thread storage, we need to unbind here. */
|
|
if (callid_created == 1) {
|
|
ast_callid_threadassoc_remove();
|
|
}
|
|
callid = ast_callid_unref(callid);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief thread storage cleanup function for unique_callid
|
|
*/
|
|
static void unique_callid_cleanup(void *data)
|
|
{
|
|
struct ast_callid **callid = data;
|
|
|
|
if (*callid) {
|
|
ast_callid_unref(*callid);
|
|
}
|
|
|
|
ast_free(data);
|
|
}
|
|
|
|
/*!
|
|
* \brief send log messages to syslog and/or the console
|
|
*/
|
|
static void __attribute__((format(printf, 6, 0))) ast_log_full(int level, const char *file, int line, const char *function, struct ast_callid *callid, const char *fmt, va_list ap)
|
|
{
|
|
struct logmsg *logmsg = NULL;
|
|
struct ast_str *buf = NULL;
|
|
struct ast_tm tm;
|
|
struct timeval now = ast_tvnow();
|
|
int res = 0;
|
|
char datestring[256];
|
|
|
|
if (!(buf = ast_str_thread_get(&log_buf, LOG_BUF_INIT_SIZE)))
|
|
return;
|
|
|
|
if (level != __LOG_VERBOSE && AST_RWLIST_EMPTY(&logchannels)) {
|
|
/*
|
|
* we don't have the logger chain configured yet,
|
|
* so just log to stdout
|
|
*/
|
|
int result;
|
|
result = ast_str_set_va(&buf, BUFSIZ, fmt, ap); /* XXX BUFSIZ ? */
|
|
if (result != AST_DYNSTR_BUILD_FAILED) {
|
|
term_filter_escapes(ast_str_buffer(buf));
|
|
fputs(ast_str_buffer(buf), stdout);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Ignore anything that never gets logged anywhere */
|
|
if (level != __LOG_VERBOSE && !(global_logmask & (1 << level)))
|
|
return;
|
|
|
|
/* Build string */
|
|
res = ast_str_set_va(&buf, BUFSIZ, fmt, 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_with_stringfields(1, struct logmsg, res + 128)))
|
|
return;
|
|
|
|
/* Copy string over */
|
|
ast_string_field_set(logmsg, message, ast_str_buffer(buf));
|
|
|
|
/* Set type */
|
|
if (level == __LOG_VERBOSE) {
|
|
logmsg->type = LOGMSG_VERBOSE;
|
|
} else {
|
|
logmsg->type = LOGMSG_NORMAL;
|
|
}
|
|
|
|
if (display_callids && callid) {
|
|
logmsg->callid = ast_callid_ref(callid);
|
|
/* callid will be unreffed at logmsg destruction */
|
|
}
|
|
|
|
/* Create our date/time */
|
|
ast_localtime(&now, &tm, NULL);
|
|
ast_strftime(datestring, sizeof(datestring), dateformat, &tm);
|
|
ast_string_field_set(logmsg, date, datestring);
|
|
|
|
/* Copy over data */
|
|
logmsg->level = level;
|
|
logmsg->line = line;
|
|
ast_string_field_set(logmsg, level_name, levels[level]);
|
|
ast_string_field_set(logmsg, file, file);
|
|
ast_string_field_set(logmsg, function, function);
|
|
logmsg->lwp = ast_get_tid();
|
|
|
|
/* 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);
|
|
if (close_logger_thread) {
|
|
/* Logger is either closing or closed. We cannot log this message. */
|
|
ast_free(logmsg);
|
|
} else {
|
|
AST_LIST_INSERT_TAIL(&logmsgs, logmsg, list);
|
|
ast_cond_signal(&logcond);
|
|
}
|
|
AST_LIST_UNLOCK(&logmsgs);
|
|
} else {
|
|
logger_print_normal(logmsg);
|
|
logmsg_free(logmsg);
|
|
}
|
|
}
|
|
|
|
void ast_log(int level, const char *file, int line, const char *function, const char *fmt, ...)
|
|
{
|
|
struct ast_callid *callid;
|
|
va_list ap;
|
|
|
|
callid = ast_read_threadstorage_callid();
|
|
|
|
va_start(ap, fmt);
|
|
ast_log_full(level, file, line, function, callid, fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (callid) {
|
|
ast_callid_unref(callid);
|
|
}
|
|
}
|
|
|
|
void ast_log_callid(int level, const char *file, int line, const char *function, struct ast_callid *callid, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
ast_log_full(level, file, line, function, callid, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
#ifdef HAVE_BKTR
|
|
|
|
struct ast_bt *ast_bt_create(void)
|
|
{
|
|
struct ast_bt *bt = ast_calloc(1, sizeof(*bt));
|
|
if (!bt) {
|
|
ast_log(LOG_ERROR, "Unable to allocate memory for backtrace structure!\n");
|
|
return NULL;
|
|
}
|
|
|
|
bt->alloced = 1;
|
|
|
|
ast_bt_get_addresses(bt);
|
|
|
|
return bt;
|
|
}
|
|
|
|
int ast_bt_get_addresses(struct ast_bt *bt)
|
|
{
|
|
bt->num_frames = backtrace(bt->addresses, AST_MAX_BT_FRAMES);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void *ast_bt_destroy(struct ast_bt *bt)
|
|
{
|
|
if (bt->alloced) {
|
|
ast_free(bt);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
char **ast_bt_get_symbols(void **addresses, size_t num_frames)
|
|
{
|
|
char **strings = NULL;
|
|
#if defined(BETTER_BACKTRACES)
|
|
int stackfr;
|
|
bfd *bfdobj; /* bfd.h */
|
|
Dl_info dli; /* dlfcn.h */
|
|
long allocsize;
|
|
asymbol **syms = NULL; /* bfd.h */
|
|
bfd_vma offset; /* bfd.h */
|
|
const char *lastslash;
|
|
asection *section;
|
|
const char *file, *func;
|
|
unsigned int line;
|
|
char address_str[128];
|
|
char msg[1024];
|
|
size_t strings_size;
|
|
size_t *eachlen;
|
|
#endif
|
|
|
|
#if defined(BETTER_BACKTRACES)
|
|
strings_size = num_frames * sizeof(*strings);
|
|
eachlen = ast_calloc(num_frames, sizeof(*eachlen));
|
|
|
|
if (!(strings = ast_calloc(num_frames, sizeof(*strings)))) {
|
|
return NULL;
|
|
}
|
|
|
|
for (stackfr = 0; stackfr < num_frames; stackfr++) {
|
|
int found = 0, symbolcount;
|
|
|
|
msg[0] = '\0';
|
|
|
|
if (!dladdr(addresses[stackfr], &dli)) {
|
|
continue;
|
|
}
|
|
|
|
if (strcmp(dli.dli_fname, "asterisk") == 0) {
|
|
char asteriskpath[256];
|
|
if (!(dli.dli_fname = ast_utils_which("asterisk", asteriskpath, sizeof(asteriskpath)))) {
|
|
/* This will fail to find symbols */
|
|
ast_debug(1, "Failed to find asterisk binary for debug symbols.\n");
|
|
dli.dli_fname = "asterisk";
|
|
}
|
|
}
|
|
|
|
lastslash = strrchr(dli.dli_fname, '/');
|
|
if ( (bfdobj = bfd_openr(dli.dli_fname, NULL)) &&
|
|
bfd_check_format(bfdobj, bfd_object) &&
|
|
(allocsize = bfd_get_symtab_upper_bound(bfdobj)) > 0 &&
|
|
(syms = ast_malloc(allocsize)) &&
|
|
(symbolcount = bfd_canonicalize_symtab(bfdobj, syms))) {
|
|
|
|
if (bfdobj->flags & DYNAMIC) {
|
|
offset = addresses[stackfr] - dli.dli_fbase;
|
|
} else {
|
|
offset = addresses[stackfr] - (void *) 0;
|
|
}
|
|
|
|
for (section = bfdobj->sections; section; section = section->next) {
|
|
if ( !bfd_get_section_flags(bfdobj, section) & SEC_ALLOC ||
|
|
section->vma > offset ||
|
|
section->size + section->vma < offset) {
|
|
continue;
|
|
}
|
|
|
|
if (!bfd_find_nearest_line(bfdobj, section, syms, offset - section->vma, &file, &func, &line)) {
|
|
continue;
|
|
}
|
|
|
|
/* file can possibly be null even with a success result from bfd_find_nearest_line */
|
|
file = file ? file : "";
|
|
|
|
/* Stack trace output */
|
|
found++;
|
|
if ((lastslash = strrchr(file, '/'))) {
|
|
const char *prevslash;
|
|
for (prevslash = lastslash - 1; *prevslash != '/' && prevslash >= file; prevslash--);
|
|
if (prevslash >= file) {
|
|
lastslash = prevslash;
|
|
}
|
|
}
|
|
if (dli.dli_saddr == NULL) {
|
|
address_str[0] = '\0';
|
|
} else {
|
|
snprintf(address_str, sizeof(address_str), " (%p+%lX)",
|
|
dli.dli_saddr,
|
|
(unsigned long) (addresses[stackfr] - dli.dli_saddr));
|
|
}
|
|
snprintf(msg, sizeof(msg), "%s:%u %s()%s",
|
|
lastslash ? lastslash + 1 : file, line,
|
|
S_OR(func, "???"),
|
|
address_str);
|
|
|
|
break; /* out of section iteration */
|
|
}
|
|
}
|
|
if (bfdobj) {
|
|
bfd_close(bfdobj);
|
|
if (syms) {
|
|
ast_free(syms);
|
|
}
|
|
}
|
|
|
|
/* Default output, if we cannot find the information within BFD */
|
|
if (!found) {
|
|
if (dli.dli_saddr == NULL) {
|
|
address_str[0] = '\0';
|
|
} else {
|
|
snprintf(address_str, sizeof(address_str), " (%p+%lX)",
|
|
dli.dli_saddr,
|
|
(unsigned long) (addresses[stackfr] - dli.dli_saddr));
|
|
}
|
|
snprintf(msg, sizeof(msg), "%s %s()%s",
|
|
lastslash ? lastslash + 1 : dli.dli_fname,
|
|
S_OR(dli.dli_sname, "<unknown>"),
|
|
address_str);
|
|
}
|
|
|
|
if (!ast_strlen_zero(msg)) {
|
|
char **tmp;
|
|
eachlen[stackfr] = strlen(msg);
|
|
if (!(tmp = ast_realloc(strings, strings_size + eachlen[stackfr] + 1))) {
|
|
ast_free(strings);
|
|
strings = NULL;
|
|
break; /* out of stack frame iteration */
|
|
}
|
|
strings = tmp;
|
|
strings[stackfr] = (char *) strings + strings_size;
|
|
ast_copy_string(strings[stackfr], msg, eachlen[stackfr] + 1);
|
|
strings_size += eachlen[stackfr] + 1;
|
|
}
|
|
}
|
|
|
|
if (strings) {
|
|
/* Recalculate the offset pointers */
|
|
strings[0] = (char *) strings + num_frames * sizeof(*strings);
|
|
for (stackfr = 1; stackfr < num_frames; stackfr++) {
|
|
strings[stackfr] = strings[stackfr - 1] + eachlen[stackfr - 1] + 1;
|
|
}
|
|
}
|
|
#else /* !defined(BETTER_BACKTRACES) */
|
|
strings = backtrace_symbols(addresses, num_frames);
|
|
#endif /* defined(BETTER_BACKTRACES) */
|
|
return strings;
|
|
}
|
|
|
|
#endif /* HAVE_BKTR */
|
|
|
|
void ast_backtrace(void)
|
|
{
|
|
#ifdef HAVE_BKTR
|
|
struct ast_bt *bt;
|
|
int i = 0;
|
|
char **strings;
|
|
|
|
if (!(bt = ast_bt_create())) {
|
|
ast_log(LOG_WARNING, "Unable to allocate space for backtrace structure\n");
|
|
return;
|
|
}
|
|
|
|
if ((strings = ast_bt_get_symbols(bt->addresses, bt->num_frames))) {
|
|
ast_debug(1, "Got %d backtrace record%c\n", bt->num_frames, bt->num_frames != 1 ? 's' : ' ');
|
|
for (i = 3; i < bt->num_frames - 2; i++) {
|
|
ast_debug(1, "#%d: [%p] %s\n", i - 3, bt->addresses[i], strings[i]);
|
|
}
|
|
|
|
/* MALLOC_DEBUG will erroneously report an error here, unless we undef the macro. */
|
|
#undef free
|
|
free(strings);
|
|
} else {
|
|
ast_debug(1, "Could not allocate memory for backtrace\n");
|
|
}
|
|
ast_bt_destroy(bt);
|
|
#else
|
|
ast_log(LOG_WARNING, "Must run configure with '--with-execinfo' for stack backtraces.\n");
|
|
#endif /* defined(HAVE_BKTR) */
|
|
}
|
|
|
|
void __ast_verbose_ap(const char *file, int line, const char *func, int level, struct ast_callid *callid, const char *fmt, va_list ap)
|
|
{
|
|
struct ast_str *buf = NULL;
|
|
int res = 0;
|
|
const char *prefix = level >= 4 ? VERBOSE_PREFIX_4 : level == 3 ? VERBOSE_PREFIX_3 : level == 2 ? VERBOSE_PREFIX_2 : level == 1 ? VERBOSE_PREFIX_1 : "";
|
|
signed char magic = level > 127 ? -128 : -level - 1; /* 0 => -1, 1 => -2, etc. Can't pass NUL, as it is EOS-delimiter */
|
|
|
|
/* For compatibility with modules still calling ast_verbose() directly instead of using ast_verb() */
|
|
if (level < 0) {
|
|
if (!strncmp(fmt, VERBOSE_PREFIX_4, strlen(VERBOSE_PREFIX_4))) {
|
|
magic = -5;
|
|
} else if (!strncmp(fmt, VERBOSE_PREFIX_3, strlen(VERBOSE_PREFIX_3))) {
|
|
magic = -4;
|
|
} else if (!strncmp(fmt, VERBOSE_PREFIX_2, strlen(VERBOSE_PREFIX_2))) {
|
|
magic = -3;
|
|
} else if (!strncmp(fmt, VERBOSE_PREFIX_1, strlen(VERBOSE_PREFIX_1))) {
|
|
magic = -2;
|
|
} else {
|
|
magic = -1;
|
|
}
|
|
}
|
|
|
|
if (!(buf = ast_str_thread_get(&verbose_buf, VERBOSE_BUF_INIT_SIZE))) {
|
|
return;
|
|
}
|
|
|
|
if (ast_opt_timestamp) {
|
|
struct timeval now;
|
|
struct ast_tm tm;
|
|
char date[40];
|
|
char *datefmt;
|
|
|
|
now = ast_tvnow();
|
|
ast_localtime(&now, &tm, NULL);
|
|
ast_strftime(date, sizeof(date), dateformat, &tm);
|
|
datefmt = ast_alloca(strlen(date) + 3 + strlen(prefix) + strlen(fmt) + 1);
|
|
sprintf(datefmt, "%c[%s] %s%s", (char) magic, date, prefix, fmt);
|
|
fmt = datefmt;
|
|
} else {
|
|
char *tmp = ast_alloca(strlen(prefix) + strlen(fmt) + 2);
|
|
sprintf(tmp, "%c%s%s", (char) magic, prefix, fmt);
|
|
fmt = tmp;
|
|
}
|
|
|
|
/* Build string */
|
|
res = ast_str_set_va(&buf, 0, fmt, ap);
|
|
|
|
/* If the build failed then we can drop this allocated message */
|
|
if (res == AST_DYNSTR_BUILD_FAILED) {
|
|
return;
|
|
}
|
|
|
|
ast_log_callid(__LOG_VERBOSE, file, line, func, callid, "%s", ast_str_buffer(buf));
|
|
}
|
|
|
|
void __ast_verbose(const char *file, int line, const char *func, int level, const char *fmt, ...)
|
|
{
|
|
struct ast_callid *callid;
|
|
va_list ap;
|
|
|
|
callid = ast_read_threadstorage_callid();
|
|
|
|
va_start(ap, fmt);
|
|
__ast_verbose_ap(file, line, func, level, callid, fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (callid) {
|
|
ast_callid_unref(callid);
|
|
}
|
|
}
|
|
|
|
void __ast_verbose_callid(const char *file, int line, const char *func, int level, struct ast_callid *callid, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
__ast_verbose_ap(file, line, func, level, callid, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
/* No new code should use this directly, but we have the ABI for backwards compat */
|
|
#undef ast_verbose
|
|
void __attribute__((format(printf, 1,2))) ast_verbose(const char *fmt, ...);
|
|
void ast_verbose(const char *fmt, ...)
|
|
{
|
|
struct ast_callid *callid;
|
|
va_list ap;
|
|
|
|
callid = ast_read_threadstorage_callid();
|
|
|
|
va_start(ap, fmt);
|
|
__ast_verbose_ap("", 0, "", 0, callid, fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (callid) {
|
|
ast_callid_unref(callid);
|
|
}
|
|
}
|
|
|
|
int ast_register_verbose(void (*v)(const char *string))
|
|
{
|
|
struct verb *verb;
|
|
|
|
if (!(verb = ast_malloc(sizeof(*verb))))
|
|
return -1;
|
|
|
|
verb->verboser = v;
|
|
|
|
AST_RWLIST_WRLOCK(&verbosers);
|
|
AST_RWLIST_INSERT_HEAD(&verbosers, verb, list);
|
|
AST_RWLIST_UNLOCK(&verbosers);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_unregister_verbose(void (*v)(const char *string))
|
|
{
|
|
struct verb *cur;
|
|
|
|
AST_RWLIST_WRLOCK(&verbosers);
|
|
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&verbosers, cur, list) {
|
|
if (cur->verboser == v) {
|
|
AST_RWLIST_REMOVE_CURRENT(list);
|
|
ast_free(cur);
|
|
break;
|
|
}
|
|
}
|
|
AST_RWLIST_TRAVERSE_SAFE_END;
|
|
AST_RWLIST_UNLOCK(&verbosers);
|
|
|
|
return cur ? 0 : -1;
|
|
}
|
|
|
|
static void update_logchannels(void)
|
|
{
|
|
struct logchannel *cur;
|
|
|
|
AST_RWLIST_WRLOCK(&logchannels);
|
|
|
|
global_logmask = 0;
|
|
|
|
AST_RWLIST_TRAVERSE(&logchannels, cur, list) {
|
|
cur->logmask = make_components(cur->components, cur->lineno, &cur->verbosity);
|
|
global_logmask |= cur->logmask;
|
|
}
|
|
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
}
|
|
|
|
int ast_logger_register_level(const char *name)
|
|
{
|
|
unsigned int level;
|
|
unsigned int available = 0;
|
|
|
|
AST_RWLIST_WRLOCK(&logchannels);
|
|
|
|
for (level = 0; level < ARRAY_LEN(levels); level++) {
|
|
if ((level >= 16) && !available && !levels[level]) {
|
|
available = level;
|
|
continue;
|
|
}
|
|
|
|
if (levels[level] && !strcasecmp(levels[level], name)) {
|
|
ast_log(LOG_WARNING,
|
|
"Unable to register dynamic logger level '%s': a standard logger level uses that name.\n",
|
|
name);
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (!available) {
|
|
ast_log(LOG_WARNING,
|
|
"Unable to register dynamic logger level '%s'; maximum number of levels registered.\n",
|
|
name);
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
|
|
return -1;
|
|
}
|
|
|
|
levels[available] = ast_strdup(name);
|
|
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
|
|
ast_debug(1, "Registered dynamic logger level '%s' with index %d.\n", name, available);
|
|
|
|
update_logchannels();
|
|
|
|
return available;
|
|
}
|
|
|
|
void ast_logger_unregister_level(const char *name)
|
|
{
|
|
unsigned int found = 0;
|
|
unsigned int x;
|
|
|
|
AST_RWLIST_WRLOCK(&logchannels);
|
|
|
|
for (x = 16; x < ARRAY_LEN(levels); x++) {
|
|
if (!levels[x]) {
|
|
continue;
|
|
}
|
|
|
|
if (strcasecmp(levels[x], name)) {
|
|
continue;
|
|
}
|
|
|
|
found = 1;
|
|
break;
|
|
}
|
|
|
|
if (found) {
|
|
/* take this level out of the global_logmask, to ensure that no new log messages
|
|
* will be queued for it
|
|
*/
|
|
|
|
global_logmask &= ~(1 << x);
|
|
|
|
ast_free(levels[x]);
|
|
levels[x] = NULL;
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
|
|
ast_debug(1, "Unregistered dynamic logger level '%s' with index %d.\n", name, x);
|
|
|
|
update_logchannels();
|
|
} else {
|
|
AST_RWLIST_UNLOCK(&logchannels);
|
|
}
|
|
}
|
|
|