diff options
Diffstat (limited to 'main/logger.c')
| -rw-r--r-- | main/logger.c | 914 |
1 files changed, 914 insertions, 0 deletions
diff --git a/main/logger.c b/main/logger.c new file mode 100644 index 000000000..532023b21 --- /dev/null +++ b/main/logger.c @@ -0,0 +1,914 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2006, Digium, Inc. + * + * Mark Spencer <markster@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief Asterisk Logger + * + * Logging routines + * + * \author Mark Spencer <markster@digium.com> + */ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include <signal.h> +#include <stdarg.h> +#include <stdio.h> +#include <unistd.h> +#include <time.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <sys/stat.h> +#ifdef STACK_BACKTRACES +#include <execinfo.h> +#define MAX_BACKTRACE_FRAMES 20 +#endif + +#define SYSLOG_NAMES /* so we can map syslog facilities names to their numeric values, + from <syslog.h> which is included by logger.h */ +#include <syslog.h> + +static int syslog_level_map[] = { + LOG_DEBUG, + LOG_INFO, /* arbitrary equivalent of LOG_EVENT */ + LOG_NOTICE, + LOG_WARNING, + LOG_ERR, + LOG_DEBUG, + LOG_DEBUG +}; + +#define SYSLOG_NLEVELS sizeof(syslog_level_map) / sizeof(int) + +#include "asterisk/logger.h" +#include "asterisk/lock.h" +#include "asterisk/options.h" +#include "asterisk/channel.h" +#include "asterisk/config.h" +#include "asterisk/term.h" +#include "asterisk/cli.h" +#include "asterisk/utils.h" +#include "asterisk/manager.h" +#include "asterisk/threadstorage.h" + +#if defined(__linux__) && !defined(__NR_gettid) +#include <asm/unistd.h> +#endif + +#if defined(__linux__) && defined(__NR_gettid) +#define GETTID() syscall(__NR_gettid) +#else +#define GETTID() getpid() +#endif + + +static char dateformat[256] = "%b %e %T"; /* Original Asterisk Format */ + +static int filesize_reload_needed = 0; +static int global_logmask = -1; + +static struct { + unsigned int queue_log:1; + unsigned int event_log:1; +} logfiles = { 1, 1 }; + +static char hostname[MAXHOSTNAMELEN]; + +enum logtypes { + LOGTYPE_SYSLOG, + LOGTYPE_FILE, + LOGTYPE_CONSOLE, +}; + +struct logchannel { + int logmask; /* What to log to this channel */ + int disabled; /* If this channel is disabled or not */ + int facility; /* syslog facility */ + enum logtypes type; /* Type of log channel */ + FILE *fileptr; /* logfile logging file pointer */ + char filename[256]; /* Filename */ + AST_LIST_ENTRY(logchannel) list; +}; + +static AST_LIST_HEAD_STATIC(logchannels, logchannel); + +static FILE *eventlog = NULL; +static FILE *qlog = NULL; + +static char *levels[] = { + "DEBUG", + "EVENT", + "NOTICE", + "WARNING", + "ERROR", + "VERBOSE", + "DTMF" +}; + +static int colors[] = { + COLOR_BRGREEN, + COLOR_BRBLUE, + COLOR_YELLOW, + COLOR_BRRED, + COLOR_RED, + COLOR_GREEN, + COLOR_BRGREEN +}; + +AST_THREADSTORAGE(verbose_buf, verbose_buf_init); +#define VERBOSE_BUF_INIT_SIZE 128 + +AST_THREADSTORAGE(log_buf, log_buf_init); +#define LOG_BUF_INIT_SIZE 128 + +static int make_components(char *s, int lineno) +{ + char *w; + int res = 0; + char *stringp = s; + + while ((w = strsep(&stringp, ","))) { + w = ast_skip_blanks(w); + if (!strcasecmp(w, "error")) + res |= (1 << __LOG_ERROR); + else if (!strcasecmp(w, "warning")) + res |= (1 << __LOG_WARNING); + else if (!strcasecmp(w, "notice")) + res |= (1 << __LOG_NOTICE); + else if (!strcasecmp(w, "event")) + res |= (1 << __LOG_EVENT); + else if (!strcasecmp(w, "debug")) + res |= (1 << __LOG_DEBUG); + else if (!strcasecmp(w, "verbose")) + res |= (1 << __LOG_VERBOSE); + else if (!strcasecmp(w, "dtmf")) + res |= (1 << __LOG_DTMF); + else { + fprintf(stderr, "Logfile Warning: Unknown keyword '%s' at line %d of logger.conf\n", w, lineno); + } + } + + return res; +} + +static struct logchannel *make_logchannel(char *channel, char *components, int lineno) +{ + struct logchannel *chan; + char *facility; +#ifndef SOLARIS + CODE *cptr; +#endif + + if (ast_strlen_zero(channel) || !(chan = ast_calloc(1, sizeof(*chan)))) + return NULL; + + if (!strcasecmp(channel, "console")) { + chan->type = LOGTYPE_CONSOLE; + } else if (!strncasecmp(channel, "syslog", 6)) { + /* + * syntax is: + * syslog.facility => level,level,level + */ + facility = strchr(channel, '.'); + if(!facility++ || !facility) { + facility = "local0"; + } + +#ifndef SOLARIS + /* + * Walk through the list of facilitynames (defined in sys/syslog.h) + * to see if we can find the one we have been given + */ + chan->facility = -1; + cptr = facilitynames; + while (cptr->c_name) { + if (!strcasecmp(facility, cptr->c_name)) { + chan->facility = cptr->c_val; + break; + } + cptr++; + } +#else + chan->facility = -1; + if (!strcasecmp(facility, "kern")) + chan->facility = LOG_KERN; + else if (!strcasecmp(facility, "USER")) + chan->facility = LOG_USER; + else if (!strcasecmp(facility, "MAIL")) + chan->facility = LOG_MAIL; + else if (!strcasecmp(facility, "DAEMON")) + chan->facility = LOG_DAEMON; + else if (!strcasecmp(facility, "AUTH")) + chan->facility = LOG_AUTH; + else if (!strcasecmp(facility, "SYSLOG")) + chan->facility = LOG_SYSLOG; + else if (!strcasecmp(facility, "LPR")) + chan->facility = LOG_LPR; + else if (!strcasecmp(facility, "NEWS")) + chan->facility = LOG_NEWS; + else if (!strcasecmp(facility, "UUCP")) + chan->facility = LOG_UUCP; + else if (!strcasecmp(facility, "CRON")) + chan->facility = LOG_CRON; + else if (!strcasecmp(facility, "LOCAL0")) + chan->facility = LOG_LOCAL0; + else if (!strcasecmp(facility, "LOCAL1")) + chan->facility = LOG_LOCAL1; + else if (!strcasecmp(facility, "LOCAL2")) + chan->facility = LOG_LOCAL2; + else if (!strcasecmp(facility, "LOCAL3")) + chan->facility = LOG_LOCAL3; + else if (!strcasecmp(facility, "LOCAL4")) + chan->facility = LOG_LOCAL4; + else if (!strcasecmp(facility, "LOCAL5")) + chan->facility = LOG_LOCAL5; + else if (!strcasecmp(facility, "LOCAL6")) + chan->facility = LOG_LOCAL6; + else if (!strcasecmp(facility, "LOCAL7")) + chan->facility = LOG_LOCAL7; +#endif /* Solaris */ + + if (0 > chan->facility) { + fprintf(stderr, "Logger Warning: bad syslog facility in logger.conf\n"); + free(chan); + return NULL; + } + + chan->type = LOGTYPE_SYSLOG; + snprintf(chan->filename, sizeof(chan->filename), "%s", channel); + openlog("asterisk", LOG_PID, chan->facility); + } else { + if (channel[0] == '/') { + if(!ast_strlen_zero(hostname)) { + snprintf(chan->filename, sizeof(chan->filename) - 1,"%s.%s", channel, hostname); + } else { + ast_copy_string(chan->filename, channel, sizeof(chan->filename)); + } + } + + if(!ast_strlen_zero(hostname)) { + snprintf(chan->filename, sizeof(chan->filename), "%s/%s.%s",(char *)ast_config_AST_LOG_DIR, channel, hostname); + } else { + snprintf(chan->filename, sizeof(chan->filename), "%s/%s", (char *)ast_config_AST_LOG_DIR, channel); + } + chan->fileptr = fopen(chan->filename, "a"); + if (!chan->fileptr) { + /* Can't log here, since we're called with a lock */ + fprintf(stderr, "Logger Warning: Unable to open log file '%s': %s\n", chan->filename, strerror(errno)); + } + chan->type = LOGTYPE_FILE; + } + chan->logmask = make_components(components, lineno); + return chan; +} + +static void init_logger_chain(void) +{ + struct logchannel *chan; + struct ast_config *cfg; + struct ast_variable *var; + char *s; + + /* delete our list of log channels */ + AST_LIST_LOCK(&logchannels); + while ((chan = AST_LIST_REMOVE_HEAD(&logchannels, list))) + free(chan); + AST_LIST_UNLOCK(&logchannels); + + global_logmask = 0; + /* close syslog */ + closelog(); + + cfg = ast_config_load("logger.conf"); + + /* If no config file, we're fine, set default options. */ + if (!cfg) { + fprintf(stderr, "Unable to open logger.conf: %s\n", strerror(errno)); + if (!(chan = ast_calloc(1, sizeof(*chan)))) + return; + chan->type = LOGTYPE_CONSOLE; + chan->logmask = 28; /*warning,notice,error */ + AST_LIST_LOCK(&logchannels); + AST_LIST_INSERT_HEAD(&logchannels, chan, list); + AST_LIST_UNLOCK(&logchannels); + global_logmask |= chan->logmask; + return; + } + + if ((s = ast_variable_retrieve(cfg, "general", "appendhostname"))) { + if (ast_true(s)) { + if (gethostname(hostname, sizeof(hostname) - 1)) { + ast_copy_string(hostname, "unknown", sizeof(hostname)); + ast_log(LOG_WARNING, "What box has no hostname???\n"); + } + } else + hostname[0] = '\0'; + } else + hostname[0] = '\0'; + if ((s = ast_variable_retrieve(cfg, "general", "dateformat"))) + ast_copy_string(dateformat, s, sizeof(dateformat)); + else + ast_copy_string(dateformat, "%b %e %T", sizeof(dateformat)); + if ((s = ast_variable_retrieve(cfg, "general", "queue_log"))) + logfiles.queue_log = ast_true(s); + if ((s = ast_variable_retrieve(cfg, "general", "event_log"))) + logfiles.event_log = ast_true(s); + + AST_LIST_LOCK(&logchannels); + var = ast_variable_browse(cfg, "logfiles"); + for (; var; var = var->next) { + if (!(chan = make_logchannel(var->name, var->value, var->lineno))) + continue; + AST_LIST_INSERT_HEAD(&logchannels, chan, list); + global_logmask |= chan->logmask; + } + AST_LIST_UNLOCK(&logchannels); + + ast_config_destroy(cfg); +} + +void ast_queue_log(const char *queuename, const char *callid, const char *agent, const char *event, const char *fmt, ...) +{ + va_list ap; + AST_LIST_LOCK(&logchannels); + if (qlog) { + va_start(ap, fmt); + fprintf(qlog, "%ld|%s|%s|%s|%s|", (long)time(NULL), callid, queuename, agent, event); + vfprintf(qlog, fmt, ap); + fprintf(qlog, "\n"); + va_end(ap); + fflush(qlog); + } + AST_LIST_UNLOCK(&logchannels); +} + +int reload_logger(int rotate) +{ + char old[PATH_MAX] = ""; + char new[PATH_MAX]; + int event_rotate = rotate, queue_rotate = rotate; + struct logchannel *f; + FILE *myf; + int x, res = 0; + + AST_LIST_LOCK(&logchannels); + + if (eventlog) + fclose(eventlog); + else + event_rotate = 0; + eventlog = NULL; + + if (qlog) + fclose(qlog); + else + queue_rotate = 0; + qlog = NULL; + + mkdir((char *)ast_config_AST_LOG_DIR, 0755); + + AST_LIST_TRAVERSE(&logchannels, f, list) { + if (f->disabled) { + f->disabled = 0; /* Re-enable logging at reload */ + manager_event(EVENT_FLAG_SYSTEM, "LogChannel", "Channel: %s\r\nEnabled: Yes\r\n", f->filename); + } + if (f->fileptr && (f->fileptr != stdout) && (f->fileptr != stderr)) { + fclose(f->fileptr); /* Close file */ + f->fileptr = NULL; + if (rotate) { + ast_copy_string(old, f->filename, sizeof(old)); + + for (x = 0; ; x++) { + snprintf(new, sizeof(new), "%s.%d", f->filename, x); + myf = fopen((char *)new, "r"); + if (myf) + fclose(myf); + else + break; + } + + /* do it */ + if (rename(old,new)) + fprintf(stderr, "Unable to rename file '%s' to '%s'\n", old, new); + } + } + } + + filesize_reload_needed = 0; + + init_logger_chain(); + + if (logfiles.event_log) { + snprintf(old, sizeof(old), "%s/%s", (char *)ast_config_AST_LOG_DIR, EVENTLOG); + if (event_rotate) { + for (x=0;;x++) { + snprintf(new, sizeof(new), "%s/%s.%d", (char *)ast_config_AST_LOG_DIR, EVENTLOG,x); + myf = fopen((char *)new, "r"); + if (myf) /* File exists */ + fclose(myf); + else + break; + } + + /* do it */ + if (rename(old,new)) + ast_log(LOG_ERROR, "Unable to rename file '%s' to '%s'\n", old, new); + } + + eventlog = fopen(old, "a"); + if (eventlog) { + ast_log(LOG_EVENT, "Restarted Asterisk Event Logger\n"); + if (option_verbose) + ast_verbose("Asterisk Event Logger restarted\n"); + } else { + ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno)); + res = -1; + } + } + + if (logfiles.queue_log) { + snprintf(old, sizeof(old), "%s/%s", (char *)ast_config_AST_LOG_DIR, QUEUELOG); + if (queue_rotate) { + for (x = 0; ; x++) { + snprintf(new, sizeof(new), "%s/%s.%d", (char *)ast_config_AST_LOG_DIR, QUEUELOG, x); + myf = fopen((char *)new, "r"); + if (myf) /* File exists */ + fclose(myf); + else + break; + } + + /* do it */ + if (rename(old, new)) + ast_log(LOG_ERROR, "Unable to rename file '%s' to '%s'\n", old, new); + } + + qlog = fopen(old, "a"); + 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" +" Show configured logger channels.\n"; + +static struct ast_cli_entry logger_show_channels_cli = + { { "logger", "show", "channels", NULL }, + handle_logger_show_channels, "List configured log channels", + logger_show_channels_help }; + +static struct ast_cli_entry reload_logger_cli = + { { "logger", "reload", NULL }, + handle_logger_reload, "Reopens the log files", + logger_reload_help }; + +static struct ast_cli_entry rotate_logger_cli = + { { "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; +} + +int init_logger(void) +{ + char tmp[256]; + int res = 0; + + /* auto rotate if sig SIGXFSZ comes a-knockin */ + (void) signal(SIGXFSZ,(void *) handle_SIGXFSZ); + + /* register the relaod logger cli command */ + ast_cli_register(&reload_logger_cli); + ast_cli_register(&rotate_logger_cli); + ast_cli_register(&logger_show_channels_cli); + + mkdir((char *)ast_config_AST_LOG_DIR, 0755); + + /* create log channels */ + init_logger_chain(); + + /* create the eventlog */ + if (logfiles.event_log) { + mkdir((char *)ast_config_AST_LOG_DIR, 0755); + snprintf(tmp, sizeof(tmp), "%s/%s", (char *)ast_config_AST_LOG_DIR, EVENTLOG); + eventlog = fopen((char *)tmp, "a"); + if (eventlog) { + ast_log(LOG_EVENT, "Started Asterisk Event Logger\n"); + if (option_verbose) + ast_verbose("Asterisk Event Logger Started %s\n",(char *)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", (char *)ast_config_AST_LOG_DIR, QUEUELOG); + qlog = fopen(tmp, "a"); + ast_queue_log("NONE", "NONE", "NONE", "QUEUESTART", "%s", ""); + } + return res; +} + +void close_logger(void) +{ + struct logchannel *f; + + 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; +} + +static void ast_log_vsyslog(int level, const char *file, int line, const char *function, const char *fmt, va_list args) +{ + char buf[BUFSIZ]; + char *s; + + 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]: ", (long)GETTID()); + level = __LOG_DEBUG; + } else if (level == __LOG_DTMF) { + snprintf(buf, sizeof(buf), "DTMF[%ld]: ", (long)GETTID()); + level = __LOG_DEBUG; + } else { + snprintf(buf, sizeof(buf), "%s[%ld]: %s:%d in %s: ", + levels[level], (long)GETTID(), file, line, function); + } + s = buf + strlen(buf); + vsnprintf(s, sizeof(buf) - strlen(buf), fmt, args); + term_strip(s, s, strlen(s) + 1); + syslog(syslog_level_map[level], "%s", buf); +} + +/*! + * \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 logchannel *chan; + struct ast_dynamic_str *buf; + time_t t; + struct tm tm; + char date[256]; + + va_list ap; + + if (!(buf = ast_dynamic_str_thread_get(&log_buf, LOG_BUF_INIT_SIZE))) + 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; + + time(&t); + localtime_r(&t, &tm); + strftime(date, sizeof(date), dateformat, &tm); + + AST_LIST_LOCK(&logchannels); + + if (logfiles.event_log && level == __LOG_EVENT) { + va_start(ap, fmt); + + fprintf(eventlog, "%s asterisk[%ld]: ", date, (long)getpid()); + vfprintf(eventlog, fmt, ap); + fflush(eventlog); + + va_end(ap); + AST_LIST_UNLOCK(&logchannels); + return; + } + + if (!AST_LIST_EMPTY(&logchannels)) { + AST_LIST_TRAVERSE(&logchannels, chan, list) { + if (chan->disabled) + break; + /* Check syslog channels */ + if (chan->type == LOGTYPE_SYSLOG && (chan->logmask & (1 << level))) { + va_start(ap, fmt); + ast_log_vsyslog(level, file, line, function, fmt, ap); + va_end(ap); + /* Console channels */ + } else if ((chan->logmask & (1 << level)) && (chan->type == LOGTYPE_CONSOLE)) { + char linestr[128]; + char tmp1[80], tmp2[80], tmp3[80], tmp4[80]; + + if (level != __LOG_VERBOSE) { + int res; + sprintf(linestr, "%d", line); + ast_dynamic_str_thread_set(&buf, BUFSIZ, &log_buf, + "[%s] %s[%ld]: %s:%s %s: ", + date, + term_color(tmp1, levels[level], colors[level], 0, sizeof(tmp1)), + (long)GETTID(), + term_color(tmp2, file, COLOR_BRWHITE, 0, sizeof(tmp2)), + term_color(tmp3, linestr, COLOR_BRWHITE, 0, sizeof(tmp3)), + term_color(tmp4, function, COLOR_BRWHITE, 0, sizeof(tmp4))); + + ast_console_puts_mutable(buf->str); + + va_start(ap, fmt); + res = ast_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap); + va_end(ap); + if (res != AST_DYNSTR_BUILD_FAILED) + ast_console_puts_mutable(buf->str); + } + /* File channels */ + } else if ((chan->logmask & (1 << level)) && (chan->fileptr)) { + int res; + ast_dynamic_str_thread_set(&buf, BUFSIZ, &log_buf, + "[%s] %s[%ld] %s: ", + date, levels[level], (long)GETTID(), file); + res = fprintf(chan->fileptr, "%s", buf->str); + if (res <= 0 && !ast_strlen_zero(buf->str)) { /* Error, no characters printed */ + 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 { + int res; + /* No error message, continue printing */ + va_start(ap, fmt); + res = ast_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap); + va_end(ap); + if (res != AST_DYNSTR_BUILD_FAILED) { + term_strip(buf->str, buf->str, buf->len); + fputs(buf->str, chan->fileptr); + fflush(chan->fileptr); + } + } + } + } + } else { + /* + * 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_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap); + va_end(ap); + if (res != AST_DYNSTR_BUILD_FAILED) + fputs(buf->str, stdout); + } + } + + AST_LIST_UNLOCK(&logchannels); + + 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"); + } +} + +void ast_backtrace(void) +{ +#ifdef STACK_BACKTRACES + 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_log(LOG_DEBUG, "Got %d backtrace record%c\n", count, count != 1 ? 's' : ' '); + for (i=0; i < count ; i++) { + ast_log(LOG_DEBUG, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]); + } + free(strings); + } else { + ast_log(LOG_DEBUG, "Could not allocate memory for backtrace\n"); + } + free(addresses); + } +#else +#ifdef Linux + ast_log(LOG_WARNING, "Must compile with 'make dont-optimize' for stack backtraces\n"); +#else + ast_log(LOG_WARNING, "Inline stack backtraces are only available on the Linux platform.\n"); +#endif +#endif +} + +void ast_verbose(const char *fmt, ...) +{ + struct verb *v; + struct ast_dynamic_str *buf; + int res; + va_list ap; + + if (ast_opt_timestamp) { + time_t t; + struct tm tm; + char date[40]; + char *datefmt; + + time(&t); + localtime_r(&t, &tm); + strftime(date, sizeof(date), dateformat, &tm); + datefmt = alloca(strlen(date) + 3 + strlen(fmt) + 1); + sprintf(datefmt, "[%s] %s", date, fmt); + fmt = datefmt; + } + + if (!(buf = ast_dynamic_str_thread_get(&verbose_buf, VERBOSE_BUF_INIT_SIZE))) + return; + + va_start(ap, fmt); + res = ast_dynamic_str_thread_set_va(&buf, 0, &verbose_buf, fmt, ap); + va_end(ap); + + if (res == AST_DYNSTR_BUILD_FAILED) + return; + + AST_LIST_LOCK(&verbosers); + AST_LIST_TRAVERSE(&verbosers, v, list) + v->verboser(buf->str); + AST_LIST_UNLOCK(&verbosers); + + ast_log(LOG_VERBOSE, "%s", buf->str); +} + +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; +} |