sysmocom
/
asterisk
11
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
asterisk/main/logger.c

943 lines
25 KiB
C
Raw Blame History

/*
* 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 char queue_log_name[256] = QUEUELOG;
static int filesize_reload_needed = 0;
static int global_logmask = -1;
static int rotatetimestamp = 0;
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);
#define VERBOSE_BUF_INIT_SIZE 128
AST_THREADSTORAGE(log_buf);
#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", ast_config_AST_LOG_DIR, channel, hostname);
} else {
snprintf(chan->filename, sizeof(chan->filename), "%s/%s", 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;
const 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;
errno = 0;
/* close syslog */
closelog();
cfg = ast_config_load("logger.conf");
/* If no config file, we're fine, set default options. */
if (!cfg) {
if (errno)
fprintf(stderr, "Unable to open logger.conf: %s; default settings will be used.\n", strerror(errno));
else
fprintf(stderr, "Errors detected in logger.conf: see above; default settings will be used.\n");
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);
if ((s = ast_variable_retrieve(cfg, "general", "queue_log_name")))
ast_copy_string(queue_log_name, s, sizeof(queue_log_name));
if ((s = ast_variable_retrieve(cfg, "general", "rotatetimestamp")))
rotatetimestamp = 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(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));
if (!rotatetimestamp) {
for (x = 0; ; x++) {
snprintf(new, sizeof(new), "%s.%d", f->filename, x);
myf = fopen(new, "r");
if (myf)
fclose(myf);
else
break;
}
} else
snprintf(new, sizeof(new), "%s.%ld", f->filename, (long)time(NULL));
/* 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", ast_config_AST_LOG_DIR, EVENTLOG);
if (event_rotate) {
if (!rotatetimestamp) {
for (x=0;;x++) {
snprintf(new, sizeof(new), "%s/%s.%d", ast_config_AST_LOG_DIR, EVENTLOG,x);
myf = fopen(new, "r");
if (myf) /* File exists */
fclose(myf);
else
break;
}
} else
snprintf(new, sizeof(new), "%s/%s.%ld", ast_config_AST_LOG_DIR, EVENTLOG,(long)time(NULL));
/* 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", ast_config_AST_LOG_DIR, queue_log_name);
if (queue_rotate) {
if (!rotatetimestamp) {
for (x = 0; ; x++) {
snprintf(new, sizeof(new), "%s/%s.%d", ast_config_AST_LOG_DIR, queue_log_name, x);
myf = fopen(new, "r");
if (myf) /* File exists */
fclose(myf);
else
break;
}
} else
snprintf(new, sizeof(new), "%s/%s.%ld", ast_config_AST_LOG_DIR, queue_log_name,(long)time(NULL));
/* 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"
" List configured logger channels.\n";
static struct ast_cli_entry cli_logger[] = {
{ { "logger", "show", "channels", NULL },
handle_logger_show_channels, "List configured log channels",
logger_show_channels_help },
{ { "logger", "reload", NULL },
handle_logger_reload, "Reopens the log files",
logger_reload_help },
{ { "logger", "rotate", NULL },
handle_logger_rotate, "Rotates and reopens the log files",
logger_rotate_help },
};
static int handle_SIGXFSZ(int sig)
{
/* Indicate need to reload */
filesize_reload_needed = 1;
return 0;
}
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 logger cli commands */
ast_cli_register_multiple(cli_logger, sizeof(cli_logger) / sizeof(struct ast_cli_entry));
mkdir(ast_config_AST_LOG_DIR, 0755);
/* create log channels */
init_logger_chain();
/* create the eventlog */
if (logfiles.event_log) {
mkdir(ast_config_AST_LOG_DIR, 0755);
snprintf(tmp, sizeof(tmp), "%s/%s", ast_config_AST_LOG_DIR, EVENTLOG);
eventlog = fopen(tmp, "a");
if (eventlog) {
ast_log(LOG_EVENT, "Started Asterisk Event Logger\n");
if (option_verbose)
ast_verbose("Asterisk Event Logger Started %s\n", tmp);
} else {
ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno));
res = -1;
}
}
if (logfiles.queue_log) {
snprintf(tmp, sizeof(tmp), "%s/%s", ast_config_AST_LOG_DIR, queue_log_name);
qlog = fopen(tmp, "a");
ast_queue_log("NONE", "NONE", "NONE", "QUEUESTART", "%s", "");
}
return res;
}
void close_logger(void)
{
struct logchannel *f;
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;
if (AST_LIST_EMPTY(&logchannels))
{
/*
* we don't have the logger chain configured yet,
* so just log to stdout
*/
if (level != __LOG_VERBOSE) {
int res;
va_start(ap, fmt);
res = ast_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap);
va_end(ap);
if (res != AST_DYNSTR_BUILD_FAILED) {
term_filter_escapes(buf->str);
fputs(buf->str, stdout);
}
}
return;
}
/* don't display LOG_DEBUG messages unless option_verbose _or_ option_debug
are non-zero; LOG_DEBUG messages can still be displayed if option_debug
is zero, if option_verbose is non-zero (this allows for 'level zero'
LOG_DEBUG messages to be displayed, if the logmask on any channel
allows it)
*/
if (!option_verbose && !option_debug && (level == __LOG_DEBUG))
return;
/* Ignore anything that never gets logged anywhere */
if (!(global_logmask & (1 << level)))
return;
/* Ignore anything other than the currently debugged file if there is one */
if ((level == __LOG_DEBUG) && !ast_strlen_zero(debug_filename) && strcasecmp(debug_filename, file))
return;
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;
}
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)));
/*filter to the console!*/
term_filter_escapes(buf->str);
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);
}
}
}
}
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))) {
if (option_debug)
ast_log(LOG_DEBUG, "Got %d backtrace record%c\n", count, count != 1 ? 's' : ' ');
for (i=0; i < count ; i++) {
if (option_debug)
ast_log(LOG_DEBUG, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]);
}
free(strings);
} else {
if (option_debug)
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;
/* filter out possibly hazardous escape sequences */
term_filter_escapes(buf->str);
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;
}
Reference in New Issue View Git Blame Copy Permalink