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00028 #include "asterisk.h"
00029
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 193193 $")
00031
00032 #include <signal.h>
00033 #include <stdarg.h>
00034 #include <stdio.h>
00035 #include <unistd.h>
00036 #include <time.h>
00037 #include <string.h>
00038 #include <stdlib.h>
00039 #include <errno.h>
00040 #include <sys/stat.h>
00041 #if ((defined(AST_DEVMODE)) && (defined(linux)))
00042 #include <execinfo.h>
00043 #define MAX_BACKTRACE_FRAMES 20
00044 #endif
00045
00046 #define SYSLOG_NAMES
00047
00048 #include <syslog.h>
00049
00050 static int syslog_level_map[] = {
00051 LOG_DEBUG,
00052 LOG_INFO,
00053 LOG_NOTICE,
00054 LOG_WARNING,
00055 LOG_ERR,
00056 LOG_DEBUG,
00057 LOG_DEBUG
00058 };
00059
00060 #define SYSLOG_NLEVELS sizeof(syslog_level_map) / sizeof(int)
00061
00062 #include "asterisk/logger.h"
00063 #include "asterisk/lock.h"
00064 #include "asterisk/options.h"
00065 #include "asterisk/channel.h"
00066 #include "asterisk/config.h"
00067 #include "asterisk/term.h"
00068 #include "asterisk/cli.h"
00069 #include "asterisk/utils.h"
00070 #include "asterisk/manager.h"
00071 #include "asterisk/threadstorage.h"
00072
00073 #if defined(__linux__) && !defined(__NR_gettid)
00074 #include <asm/unistd.h>
00075 #endif
00076
00077 #if defined(__linux__) && defined(__NR_gettid)
00078 #define GETTID() syscall(__NR_gettid)
00079 #else
00080 #define GETTID() getpid()
00081 #endif
00082
00083
00084 static char dateformat[256] = "%b %e %T";
00085
00086 static int filesize_reload_needed;
00087 static int global_logmask = -1;
00088
00089 static struct {
00090 unsigned int queue_log:1;
00091 unsigned int event_log:1;
00092 } logfiles = { 1, 1 };
00093
00094 static char hostname[MAXHOSTNAMELEN];
00095
00096 enum logtypes {
00097 LOGTYPE_SYSLOG,
00098 LOGTYPE_FILE,
00099 LOGTYPE_CONSOLE,
00100 };
00101
00102 struct logchannel {
00103 int logmask;
00104 int disabled;
00105 int facility;
00106 enum logtypes type;
00107 FILE *fileptr;
00108 char filename[256];
00109 AST_LIST_ENTRY(logchannel) list;
00110 };
00111
00112 static AST_LIST_HEAD_STATIC(logchannels, logchannel);
00113
00114 static FILE *eventlog;
00115 static FILE *qlog;
00116
00117 static char *levels[] = {
00118 "DEBUG",
00119 "EVENT",
00120 "NOTICE",
00121 "WARNING",
00122 "ERROR",
00123 "VERBOSE",
00124 "DTMF"
00125 };
00126
00127 static int colors[] = {
00128 COLOR_BRGREEN,
00129 COLOR_BRBLUE,
00130 COLOR_YELLOW,
00131 COLOR_BRRED,
00132 COLOR_RED,
00133 COLOR_GREEN,
00134 COLOR_BRGREEN
00135 };
00136
00137 AST_THREADSTORAGE(verbose_buf, verbose_buf_init);
00138 #define VERBOSE_BUF_INIT_SIZE 128
00139
00140 AST_THREADSTORAGE(log_buf, log_buf_init);
00141 #define LOG_BUF_INIT_SIZE 128
00142
00143 static int make_components(char *s, int lineno)
00144 {
00145 char *w;
00146 int res = 0;
00147 char *stringp = s;
00148
00149 while ((w = strsep(&stringp, ","))) {
00150 w = ast_skip_blanks(w);
00151 if (!strcasecmp(w, "error"))
00152 res |= (1 << __LOG_ERROR);
00153 else if (!strcasecmp(w, "warning"))
00154 res |= (1 << __LOG_WARNING);
00155 else if (!strcasecmp(w, "notice"))
00156 res |= (1 << __LOG_NOTICE);
00157 else if (!strcasecmp(w, "event"))
00158 res |= (1 << __LOG_EVENT);
00159 else if (!strcasecmp(w, "debug"))
00160 res |= (1 << __LOG_DEBUG);
00161 else if (!strcasecmp(w, "verbose"))
00162 res |= (1 << __LOG_VERBOSE);
00163 else if (!strcasecmp(w, "dtmf"))
00164 res |= (1 << __LOG_DTMF);
00165 else {
00166 fprintf(stderr, "Logfile Warning: Unknown keyword '%s' at line %d of logger.conf\n", w, lineno);
00167 }
00168 }
00169
00170 return res;
00171 }
00172
00173 static struct logchannel *make_logchannel(char *channel, char *components, int lineno)
00174 {
00175 struct logchannel *chan;
00176 char *facility;
00177 #ifndef SOLARIS
00178 CODE *cptr;
00179 #endif
00180
00181 if (ast_strlen_zero(channel) || !(chan = ast_calloc(1, sizeof(*chan))))
00182 return NULL;
00183
00184 if (!strcasecmp(channel, "console")) {
00185 chan->type = LOGTYPE_CONSOLE;
00186 } else if (!strncasecmp(channel, "syslog", 6)) {
00187
00188
00189
00190
00191 facility = strchr(channel, '.');
00192 if(!facility++ || !facility) {
00193 facility = "local0";
00194 }
00195
00196 #ifndef SOLARIS
00197
00198
00199
00200
00201 chan->facility = -1;
00202 cptr = facilitynames;
00203 while (cptr->c_name) {
00204 if (!strcasecmp(facility, cptr->c_name)) {
00205 chan->facility = cptr->c_val;
00206 break;
00207 }
00208 cptr++;
00209 }
00210 #else
00211 chan->facility = -1;
00212 if (!strcasecmp(facility, "kern"))
00213 chan->facility = LOG_KERN;
00214 else if (!strcasecmp(facility, "USER"))
00215 chan->facility = LOG_USER;
00216 else if (!strcasecmp(facility, "MAIL"))
00217 chan->facility = LOG_MAIL;
00218 else if (!strcasecmp(facility, "DAEMON"))
00219 chan->facility = LOG_DAEMON;
00220 else if (!strcasecmp(facility, "AUTH"))
00221 chan->facility = LOG_AUTH;
00222 else if (!strcasecmp(facility, "SYSLOG"))
00223 chan->facility = LOG_SYSLOG;
00224 else if (!strcasecmp(facility, "LPR"))
00225 chan->facility = LOG_LPR;
00226 else if (!strcasecmp(facility, "NEWS"))
00227 chan->facility = LOG_NEWS;
00228 else if (!strcasecmp(facility, "UUCP"))
00229 chan->facility = LOG_UUCP;
00230 else if (!strcasecmp(facility, "CRON"))
00231 chan->facility = LOG_CRON;
00232 else if (!strcasecmp(facility, "LOCAL0"))
00233 chan->facility = LOG_LOCAL0;
00234 else if (!strcasecmp(facility, "LOCAL1"))
00235 chan->facility = LOG_LOCAL1;
00236 else if (!strcasecmp(facility, "LOCAL2"))
00237 chan->facility = LOG_LOCAL2;
00238 else if (!strcasecmp(facility, "LOCAL3"))
00239 chan->facility = LOG_LOCAL3;
00240 else if (!strcasecmp(facility, "LOCAL4"))
00241 chan->facility = LOG_LOCAL4;
00242 else if (!strcasecmp(facility, "LOCAL5"))
00243 chan->facility = LOG_LOCAL5;
00244 else if (!strcasecmp(facility, "LOCAL6"))
00245 chan->facility = LOG_LOCAL6;
00246 else if (!strcasecmp(facility, "LOCAL7"))
00247 chan->facility = LOG_LOCAL7;
00248 #endif
00249
00250 if (0 > chan->facility) {
00251 fprintf(stderr, "Logger Warning: bad syslog facility in logger.conf\n");
00252 free(chan);
00253 return NULL;
00254 }
00255
00256 chan->type = LOGTYPE_SYSLOG;
00257 snprintf(chan->filename, sizeof(chan->filename), "%s", channel);
00258 openlog("asterisk", LOG_PID, chan->facility);
00259 } else {
00260 if (!ast_strlen_zero(hostname)) {
00261 snprintf(chan->filename, sizeof(chan->filename), "%s/%s.%s",
00262 channel[0] != '/' ? ast_config_AST_LOG_DIR : "", channel, hostname);
00263 } else {
00264 snprintf(chan->filename, sizeof(chan->filename), "%s/%s",
00265 channel[0] != '/' ? ast_config_AST_LOG_DIR : "", channel);
00266 }
00267 chan->fileptr = fopen(chan->filename, "a");
00268 if (!chan->fileptr) {
00269
00270 fprintf(stderr, "Logger Warning: Unable to open log file '%s': %s\n", chan->filename, strerror(errno));
00271 }
00272 chan->type = LOGTYPE_FILE;
00273 }
00274 chan->logmask = make_components(components, lineno);
00275 return chan;
00276 }
00277
00278 static void init_logger_chain(void)
00279 {
00280 struct logchannel *chan;
00281 struct ast_config *cfg;
00282 struct ast_variable *var;
00283 const char *s;
00284
00285
00286 AST_LIST_LOCK(&logchannels);
00287 while ((chan = AST_LIST_REMOVE_HEAD(&logchannels, list)))
00288 free(chan);
00289 AST_LIST_UNLOCK(&logchannels);
00290
00291 global_logmask = 0;
00292 errno = 0;
00293
00294 closelog();
00295
00296 cfg = ast_config_load("logger.conf");
00297
00298
00299 if (!cfg) {
00300 if (errno)
00301 fprintf(stderr, "Unable to open logger.conf: %s; default settings will be used.\n", strerror(errno));
00302 else
00303 fprintf(stderr, "Errors detected in logger.conf: see above; default settings will be used.\n");
00304 if (!(chan = ast_calloc(1, sizeof(*chan))))
00305 return;
00306 chan->type = LOGTYPE_CONSOLE;
00307 chan->logmask = 28;
00308 AST_LIST_LOCK(&logchannels);
00309 AST_LIST_INSERT_HEAD(&logchannels, chan, list);
00310 AST_LIST_UNLOCK(&logchannels);
00311 global_logmask |= chan->logmask;
00312 return;
00313 }
00314
00315 if ((s = ast_variable_retrieve(cfg, "general", "appendhostname"))) {
00316 if (ast_true(s)) {
00317 if (gethostname(hostname, sizeof(hostname) - 1)) {
00318 ast_copy_string(hostname, "unknown", sizeof(hostname));
00319 ast_log(LOG_WARNING, "What box has no hostname???\n");
00320 }
00321 } else
00322 hostname[0] = '\0';
00323 } else
00324 hostname[0] = '\0';
00325 if ((s = ast_variable_retrieve(cfg, "general", "dateformat")))
00326 ast_copy_string(dateformat, s, sizeof(dateformat));
00327 else
00328 ast_copy_string(dateformat, "%b %e %T", sizeof(dateformat));
00329 if ((s = ast_variable_retrieve(cfg, "general", "queue_log")))
00330 logfiles.queue_log = ast_true(s);
00331 if ((s = ast_variable_retrieve(cfg, "general", "event_log")))
00332 logfiles.event_log = ast_true(s);
00333
00334 AST_LIST_LOCK(&logchannels);
00335 var = ast_variable_browse(cfg, "logfiles");
00336 for (; var; var = var->next) {
00337 if (!(chan = make_logchannel(var->name, var->value, var->lineno)))
00338 continue;
00339 AST_LIST_INSERT_HEAD(&logchannels, chan, list);
00340 global_logmask |= chan->logmask;
00341 }
00342 AST_LIST_UNLOCK(&logchannels);
00343
00344 ast_config_destroy(cfg);
00345 }
00346
00347 void ast_queue_log(const char *queuename, const char *callid, const char *agent, const char *event, const char *fmt, ...)
00348 {
00349 va_list ap;
00350 AST_LIST_LOCK(&logchannels);
00351 if (qlog) {
00352 va_start(ap, fmt);
00353 fprintf(qlog, "%ld|%s|%s|%s|%s|", (long)time(NULL), callid, queuename, agent, event);
00354 vfprintf(qlog, fmt, ap);
00355 fprintf(qlog, "\n");
00356 va_end(ap);
00357 fflush(qlog);
00358 }
00359 AST_LIST_UNLOCK(&logchannels);
00360 }
00361
00362 int reload_logger(int rotate)
00363 {
00364 char old[PATH_MAX] = "";
00365 char new[PATH_MAX];
00366 int event_rotate = rotate, queue_rotate = rotate;
00367 struct logchannel *f;
00368 FILE *myf;
00369 int x, res = 0;
00370
00371 AST_LIST_LOCK(&logchannels);
00372
00373 if (eventlog)
00374 fclose(eventlog);
00375 else
00376 event_rotate = 0;
00377 eventlog = NULL;
00378
00379 if (qlog)
00380 fclose(qlog);
00381 else
00382 queue_rotate = 0;
00383 qlog = NULL;
00384
00385 mkdir((char *)ast_config_AST_LOG_DIR, 0755);
00386
00387 AST_LIST_TRAVERSE(&logchannels, f, list) {
00388 if (f->disabled) {
00389 f->disabled = 0;
00390 manager_event(EVENT_FLAG_SYSTEM, "LogChannel", "Channel: %s\r\nEnabled: Yes\r\n", f->filename);
00391 }
00392 if (f->fileptr && (f->fileptr != stdout) && (f->fileptr != stderr)) {
00393 fclose(f->fileptr);
00394 f->fileptr = NULL;
00395 if (rotate) {
00396 ast_copy_string(old, f->filename, sizeof(old));
00397
00398 for (x = 0; ; x++) {
00399 snprintf(new, sizeof(new), "%s.%d", f->filename, x);
00400 myf = fopen((char *)new, "r");
00401 if (myf)
00402 fclose(myf);
00403 else
00404 break;
00405 }
00406
00407
00408 if (rename(old,new))
00409 fprintf(stderr, "Unable to rename file '%s' to '%s'\n", old, new);
00410 }
00411 }
00412 }
00413
00414 filesize_reload_needed = 0;
00415
00416 init_logger_chain();
00417
00418 if (logfiles.event_log) {
00419 snprintf(old, sizeof(old), "%s/%s", (char *)ast_config_AST_LOG_DIR, EVENTLOG);
00420 if (event_rotate) {
00421 for (x=0;;x++) {
00422 snprintf(new, sizeof(new), "%s/%s.%d", (char *)ast_config_AST_LOG_DIR, EVENTLOG,x);
00423 myf = fopen((char *)new, "r");
00424 if (myf)
00425 fclose(myf);
00426 else
00427 break;
00428 }
00429
00430
00431 if (rename(old,new))
00432 ast_log(LOG_ERROR, "Unable to rename file '%s' to '%s'\n", old, new);
00433 }
00434
00435 eventlog = fopen(old, "a");
00436 if (eventlog) {
00437 ast_log(LOG_EVENT, "Restarted Asterisk Event Logger\n");
00438 if (option_verbose)
00439 ast_verbose("Asterisk Event Logger restarted\n");
00440 } else {
00441 ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno));
00442 res = -1;
00443 }
00444 }
00445
00446 if (logfiles.queue_log) {
00447 snprintf(old, sizeof(old), "%s/%s", (char *)ast_config_AST_LOG_DIR, QUEUELOG);
00448 if (queue_rotate) {
00449 for (x = 0; ; x++) {
00450 snprintf(new, sizeof(new), "%s/%s.%d", (char *)ast_config_AST_LOG_DIR, QUEUELOG, x);
00451 myf = fopen((char *)new, "r");
00452 if (myf)
00453 fclose(myf);
00454 else
00455 break;
00456 }
00457
00458
00459 if (rename(old, new))
00460 ast_log(LOG_ERROR, "Unable to rename file '%s' to '%s'\n", old, new);
00461 }
00462
00463 qlog = fopen(old, "a");
00464 if (qlog) {
00465 ast_queue_log("NONE", "NONE", "NONE", "CONFIGRELOAD", "%s", "");
00466 ast_log(LOG_EVENT, "Restarted Asterisk Queue Logger\n");
00467 if (option_verbose)
00468 ast_verbose("Asterisk Queue Logger restarted\n");
00469 } else {
00470 ast_log(LOG_ERROR, "Unable to create queue log: %s\n", strerror(errno));
00471 res = -1;
00472 }
00473 }
00474
00475 AST_LIST_UNLOCK(&logchannels);
00476
00477 return res;
00478 }
00479
00480
00481
00482 int logger_reload(void)
00483 {
00484 if(reload_logger(0))
00485 return RESULT_FAILURE;
00486 return RESULT_SUCCESS;
00487 }
00488
00489 static int handle_logger_reload(int fd, int argc, char *argv[])
00490 {
00491 int result = logger_reload();
00492 if (result == RESULT_FAILURE)
00493 ast_cli(fd, "Failed to reload the logger\n");
00494 return result;
00495 }
00496
00497 static int handle_logger_rotate(int fd, int argc, char *argv[])
00498 {
00499 if(reload_logger(1)) {
00500 ast_cli(fd, "Failed to reload the logger and rotate log files\n");
00501 return RESULT_FAILURE;
00502 }
00503 return RESULT_SUCCESS;
00504 }
00505
00506
00507 static int handle_logger_show_channels(int fd, int argc, char *argv[])
00508 {
00509 #define FORMATL "%-35.35s %-8.8s %-9.9s "
00510 struct logchannel *chan;
00511
00512 ast_cli(fd,FORMATL, "Channel", "Type", "Status");
00513 ast_cli(fd, "Configuration\n");
00514 ast_cli(fd,FORMATL, "-------", "----", "------");
00515 ast_cli(fd, "-------------\n");
00516 AST_LIST_LOCK(&logchannels);
00517 AST_LIST_TRAVERSE(&logchannels, chan, list) {
00518 ast_cli(fd, FORMATL, chan->filename, chan->type==LOGTYPE_CONSOLE ? "Console" : (chan->type==LOGTYPE_SYSLOG ? "Syslog" : "File"),
00519 chan->disabled ? "Disabled" : "Enabled");
00520 ast_cli(fd, " - ");
00521 if (chan->logmask & (1 << __LOG_DEBUG))
00522 ast_cli(fd, "Debug ");
00523 if (chan->logmask & (1 << __LOG_DTMF))
00524 ast_cli(fd, "DTMF ");
00525 if (chan->logmask & (1 << __LOG_VERBOSE))
00526 ast_cli(fd, "Verbose ");
00527 if (chan->logmask & (1 << __LOG_WARNING))
00528 ast_cli(fd, "Warning ");
00529 if (chan->logmask & (1 << __LOG_NOTICE))
00530 ast_cli(fd, "Notice ");
00531 if (chan->logmask & (1 << __LOG_ERROR))
00532 ast_cli(fd, "Error ");
00533 if (chan->logmask & (1 << __LOG_EVENT))
00534 ast_cli(fd, "Event ");
00535 ast_cli(fd, "\n");
00536 }
00537 AST_LIST_UNLOCK(&logchannels);
00538 ast_cli(fd, "\n");
00539
00540 return RESULT_SUCCESS;
00541 }
00542
00543 struct verb {
00544 void (*verboser)(const char *string);
00545 AST_LIST_ENTRY(verb) list;
00546 };
00547
00548 static AST_LIST_HEAD_STATIC(verbosers, verb);
00549
00550 static char logger_reload_help[] =
00551 "Usage: logger reload\n"
00552 " Reloads the logger subsystem state. Use after restarting syslogd(8) if you are using syslog logging.\n";
00553
00554 static char logger_rotate_help[] =
00555 "Usage: logger rotate\n"
00556 " Rotates and Reopens the log files.\n";
00557
00558 static char logger_show_channels_help[] =
00559 "Usage: logger show channels\n"
00560 " List configured logger channels.\n";
00561
00562 static struct ast_cli_entry cli_logger[] = {
00563 { { "logger", "show", "channels", NULL },
00564 handle_logger_show_channels, "List configured log channels",
00565 logger_show_channels_help },
00566
00567 { { "logger", "reload", NULL },
00568 handle_logger_reload, "Reopens the log files",
00569 logger_reload_help },
00570
00571 { { "logger", "rotate", NULL },
00572 handle_logger_rotate, "Rotates and reopens the log files",
00573 logger_rotate_help },
00574 };
00575
00576 static int handle_SIGXFSZ(int sig)
00577 {
00578
00579 filesize_reload_needed = 1;
00580 return 0;
00581 }
00582
00583 int init_logger(void)
00584 {
00585 char tmp[256];
00586 int res = 0;
00587
00588
00589 (void) signal(SIGXFSZ,(void *) handle_SIGXFSZ);
00590
00591
00592 ast_cli_register_multiple(cli_logger, sizeof(cli_logger) / sizeof(struct ast_cli_entry));
00593
00594 mkdir((char *)ast_config_AST_LOG_DIR, 0755);
00595
00596
00597 init_logger_chain();
00598
00599
00600 if (logfiles.event_log) {
00601 mkdir((char *)ast_config_AST_LOG_DIR, 0755);
00602 snprintf(tmp, sizeof(tmp), "%s/%s", (char *)ast_config_AST_LOG_DIR, EVENTLOG);
00603 eventlog = fopen((char *)tmp, "a");
00604 if (eventlog) {
00605 ast_log(LOG_EVENT, "Started Asterisk Event Logger\n");
00606 if (option_verbose)
00607 ast_verbose("Asterisk Event Logger Started %s\n",(char *)tmp);
00608 } else {
00609 ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno));
00610 res = -1;
00611 }
00612 }
00613
00614 if (logfiles.queue_log) {
00615 snprintf(tmp, sizeof(tmp), "%s/%s", (char *)ast_config_AST_LOG_DIR, QUEUELOG);
00616 qlog = fopen(tmp, "a");
00617 ast_queue_log("NONE", "NONE", "NONE", "QUEUESTART", "%s", "");
00618 }
00619 return res;
00620 }
00621
00622 void close_logger(void)
00623 {
00624 struct logchannel *f;
00625
00626 AST_LIST_LOCK(&logchannels);
00627
00628 if (eventlog) {
00629 fclose(eventlog);
00630 eventlog = NULL;
00631 }
00632
00633 if (qlog) {
00634 fclose(qlog);
00635 qlog = NULL;
00636 }
00637
00638 AST_LIST_TRAVERSE(&logchannels, f, list) {
00639 if (f->fileptr && (f->fileptr != stdout) && (f->fileptr != stderr)) {
00640 fclose(f->fileptr);
00641 f->fileptr = NULL;
00642 }
00643 }
00644
00645 closelog();
00646
00647 AST_LIST_UNLOCK(&logchannels);
00648
00649 return;
00650 }
00651
00652 static void __attribute__((format(printf, 5, 0))) ast_log_vsyslog(int level, const char *file, int line, const char *function, const char *fmt, va_list args)
00653 {
00654 char buf[BUFSIZ];
00655 char *s;
00656
00657 if (level >= SYSLOG_NLEVELS) {
00658
00659 fprintf(stderr, "ast_log_vsyslog called with bogus level: %d\n", level);
00660 return;
00661 }
00662 if (level == __LOG_VERBOSE) {
00663 snprintf(buf, sizeof(buf), "VERBOSE[%ld]: ", (long)GETTID());
00664 level = __LOG_DEBUG;
00665 } else if (level == __LOG_DTMF) {
00666 snprintf(buf, sizeof(buf), "DTMF[%ld]: ", (long)GETTID());
00667 level = __LOG_DEBUG;
00668 } else {
00669 snprintf(buf, sizeof(buf), "%s[%ld]: %s:%d in %s: ",
00670 levels[level], (long)GETTID(), file, line, function);
00671 }
00672 s = buf + strlen(buf);
00673 vsnprintf(s, sizeof(buf) - strlen(buf), fmt, args);
00674 term_strip(s, s, strlen(s) + 1);
00675 syslog(syslog_level_map[level], "%s", buf);
00676 }
00677
00678
00679
00680
00681 void ast_log(int level, const char *file, int line, const char *function, const char *fmt, ...)
00682 {
00683 struct logchannel *chan;
00684 struct ast_dynamic_str *buf;
00685 time_t t;
00686 struct tm tm;
00687 char date[256];
00688
00689 va_list ap;
00690
00691 if (!(buf = ast_dynamic_str_thread_get(&log_buf, LOG_BUF_INIT_SIZE)))
00692 return;
00693
00694 if (AST_LIST_EMPTY(&logchannels))
00695 {
00696
00697
00698
00699
00700 if (level != __LOG_VERBOSE) {
00701 int res;
00702 va_start(ap, fmt);
00703 res = ast_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap);
00704 va_end(ap);
00705 if (res != AST_DYNSTR_BUILD_FAILED) {
00706 term_filter_escapes(buf->str);
00707 fputs(buf->str, stdout);
00708 }
00709 }
00710 return;
00711 }
00712
00713
00714
00715
00716
00717
00718
00719 if (!option_verbose && !option_debug && (level == __LOG_DEBUG))
00720 return;
00721
00722
00723 if (!(global_logmask & (1 << level)))
00724 return;
00725
00726
00727 if ((level == __LOG_DEBUG) && !ast_strlen_zero(debug_filename) && strcasecmp(debug_filename, file))
00728 return;
00729
00730 time(&t);
00731 ast_localtime(&t, &tm, NULL);
00732 strftime(date, sizeof(date), dateformat, &tm);
00733
00734 AST_LIST_LOCK(&logchannels);
00735
00736 if (logfiles.event_log && level == __LOG_EVENT) {
00737 va_start(ap, fmt);
00738
00739 fprintf(eventlog, "%s asterisk[%ld]: ", date, (long)getpid());
00740 vfprintf(eventlog, fmt, ap);
00741 fflush(eventlog);
00742
00743 va_end(ap);
00744 AST_LIST_UNLOCK(&logchannels);
00745 return;
00746 }
00747
00748 AST_LIST_TRAVERSE(&logchannels, chan, list) {
00749 if (chan->disabled)
00750 break;
00751
00752 if (chan->type == LOGTYPE_SYSLOG && (chan->logmask & (1 << level))) {
00753 va_start(ap, fmt);
00754 ast_log_vsyslog(level, file, line, function, fmt, ap);
00755 va_end(ap);
00756
00757 } else if ((chan->logmask & (1 << level)) && (chan->type == LOGTYPE_CONSOLE)) {
00758 char linestr[128];
00759 char tmp1[80], tmp2[80], tmp3[80], tmp4[80];
00760
00761 if (level != __LOG_VERBOSE) {
00762 int res;
00763 sprintf(linestr, "%d", line);
00764 ast_dynamic_str_thread_set(&buf, BUFSIZ, &log_buf,
00765 "[%s] %s[%ld]: %s:%s %s: ",
00766 date,
00767 term_color(tmp1, levels[level], colors[level], 0, sizeof(tmp1)),
00768 (long)GETTID(),
00769 term_color(tmp2, file, COLOR_BRWHITE, 0, sizeof(tmp2)),
00770 term_color(tmp3, linestr, COLOR_BRWHITE, 0, sizeof(tmp3)),
00771 term_color(tmp4, function, COLOR_BRWHITE, 0, sizeof(tmp4)));
00772
00773 term_filter_escapes(buf->str);
00774 ast_console_puts_mutable(buf->str);
00775
00776 va_start(ap, fmt);
00777 res = ast_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap);
00778 va_end(ap);
00779 if (res != AST_DYNSTR_BUILD_FAILED)
00780 ast_console_puts_mutable(buf->str);
00781 }
00782
00783 } else if ((chan->logmask & (1 << level)) && (chan->fileptr)) {
00784 int res;
00785 ast_dynamic_str_thread_set(&buf, BUFSIZ, &log_buf,
00786 "[%s] %s[%ld] %s: ",
00787 date, levels[level], (long)GETTID(), file);
00788 res = fprintf(chan->fileptr, "%s", buf->str);
00789 if (res <= 0 && !ast_strlen_zero(buf->str)) {
00790 fprintf(stderr,"**** Asterisk Logging Error: ***********\n");
00791 if (errno == ENOMEM || errno == ENOSPC) {
00792 fprintf(stderr, "Asterisk logging error: Out of disk space, can't log to log file %s\n", chan->filename);
00793 } else
00794 fprintf(stderr, "Logger Warning: Unable to write to log file '%s': %s (disabled)\n", chan->filename, strerror(errno));
00795 manager_event(EVENT_FLAG_SYSTEM, "LogChannel", "Channel: %s\r\nEnabled: No\r\nReason: %d - %s\r\n", chan->filename, errno, strerror(errno));
00796 chan->disabled = 1;
00797 } else {
00798 int res;
00799
00800 va_start(ap, fmt);
00801 res = ast_dynamic_str_thread_set_va(&buf, BUFSIZ, &log_buf, fmt, ap);
00802 va_end(ap);
00803 if (res != AST_DYNSTR_BUILD_FAILED) {
00804 term_strip(buf->str, buf->str, buf->len);
00805 fputs(buf->str, chan->fileptr);
00806 fflush(chan->fileptr);
00807 }
00808 }
00809 }
00810 }
00811
00812 AST_LIST_UNLOCK(&logchannels);
00813
00814 if (filesize_reload_needed) {
00815 reload_logger(1);
00816 ast_log(LOG_EVENT,"Rotated Logs Per SIGXFSZ (Exceeded file size limit)\n");
00817 if (option_verbose)
00818 ast_verbose("Rotated Logs Per SIGXFSZ (Exceeded file size limit)\n");
00819 }
00820 }
00821
00822 void ast_backtrace(void)
00823 {
00824 #ifdef linux
00825 #ifdef AST_DEVMODE
00826 int count=0, i=0;
00827 void **addresses;
00828 char **strings;
00829
00830 if ((addresses = ast_calloc(MAX_BACKTRACE_FRAMES, sizeof(*addresses)))) {
00831 count = backtrace(addresses, MAX_BACKTRACE_FRAMES);
00832 if ((strings = backtrace_symbols(addresses, count))) {
00833 ast_log(LOG_DEBUG, "Got %d backtrace record%c\n", count, count != 1 ? 's' : ' ');
00834 for (i=0; i < count ; i++) {
00835 #if __WORDSIZE == 32
00836 ast_log(LOG_DEBUG, "#%d: [%08X] %s\n", i, (unsigned int)addresses[i], strings[i]);
00837 #elif __WORDSIZE == 64
00838 ast_log(LOG_DEBUG, "#%d: [%016lX] %s\n", i, (unsigned long)addresses[i], strings[i]);
00839 #endif
00840 }
00841 free(strings);
00842 } else {
00843 ast_log(LOG_DEBUG, "Could not allocate memory for backtrace\n");
00844 }
00845 free(addresses);
00846 }
00847 #else
00848 ast_log(LOG_WARNING, "Must run configure with '--enable-dev-mode' for stack backtraces.\n");
00849 #endif
00850 #else
00851 ast_log(LOG_WARNING, "Inline stack backtraces are only available on the Linux platform.\n");
00852 #endif
00853 }
00854
00855 void ast_verbose(const char *fmt, ...)
00856 {
00857 struct verb *v;
00858 struct ast_dynamic_str *buf;
00859 int res;
00860 va_list ap;
00861
00862 if (ast_opt_timestamp) {
00863 time_t t;
00864 struct tm tm;
00865 char date[40];
00866 char *datefmt;
00867
00868 time(&t);
00869 ast_localtime(&t, &tm, NULL);
00870 strftime(date, sizeof(date), dateformat, &tm);
00871 datefmt = alloca(strlen(date) + 3 + strlen(fmt) + 1);
00872 sprintf(datefmt, "%c[%s] %s", 127, date, fmt);
00873 fmt = datefmt;
00874 } else {
00875 char *tmp = alloca(strlen(fmt) + 2);
00876 sprintf(tmp, "%c%s", 127, fmt);
00877 fmt = tmp;
00878 }
00879
00880 if (!(buf = ast_dynamic_str_thread_get(&verbose_buf, VERBOSE_BUF_INIT_SIZE)))
00881 return;
00882
00883 va_start(ap, fmt);
00884 res = ast_dynamic_str_thread_set_va(&buf, 0, &verbose_buf, fmt, ap);
00885 va_end(ap);
00886
00887 if (res == AST_DYNSTR_BUILD_FAILED)
00888 return;
00889
00890
00891 term_filter_escapes(buf->str);
00892
00893 AST_LIST_LOCK(&verbosers);
00894 AST_LIST_TRAVERSE(&verbosers, v, list)
00895 v->verboser(buf->str);
00896 AST_LIST_UNLOCK(&verbosers);
00897
00898 ast_log(LOG_VERBOSE, "%s", buf->str + 1);
00899 }
00900
00901 int ast_register_verbose(void (*v)(const char *string))
00902 {
00903 struct verb *verb;
00904
00905 if (!(verb = ast_malloc(sizeof(*verb))))
00906 return -1;
00907
00908 verb->verboser = v;
00909
00910 AST_LIST_LOCK(&verbosers);
00911 AST_LIST_INSERT_HEAD(&verbosers, verb, list);
00912 AST_LIST_UNLOCK(&verbosers);
00913
00914 return 0;
00915 }
00916
00917 int ast_unregister_verbose(void (*v)(const char *string))
00918 {
00919 struct verb *cur;
00920
00921 AST_LIST_LOCK(&verbosers);
00922 AST_LIST_TRAVERSE_SAFE_BEGIN(&verbosers, cur, list) {
00923 if (cur->verboser == v) {
00924 AST_LIST_REMOVE_CURRENT(&verbosers, list);
00925 free(cur);
00926 break;
00927 }
00928 }
00929 AST_LIST_TRAVERSE_SAFE_END
00930 AST_LIST_UNLOCK(&verbosers);
00931
00932 return cur ? 0 : -1;
00933 }