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Diffstat (limited to '1.2/logger.c')
-rw-r--r-- | 1.2/logger.c | 977 |
1 files changed, 977 insertions, 0 deletions
diff --git a/1.2/logger.c b/1.2/logger.c new file mode 100644 index 000000000..6bfc5eae1 --- /dev/null +++ b/1.2/logger.c @@ -0,0 +1,977 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2005, 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 + * + */ + +#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> + +#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> + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +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" + +#define MAX_MSG_QUEUE 200 + +#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 */ + +AST_MUTEX_DEFINE_STATIC(msglist_lock); +AST_MUTEX_DEFINE_STATIC(loglock); +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 struct msglist { + char *msg; + struct msglist *next; +} *list = NULL, *last = NULL; + +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 */ + struct logchannel *next; /* Next channel in chain */ +}; + +static struct logchannel *logchannels = NULL; + +static int msgcnt = 0; + +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 +}; + +static int make_components(char *s, int lineno) +{ + char *w; + int res = 0; + char *stringp=NULL; + stringp=s; + w = strsep(&stringp, ","); + while(w) { + while(*w && (*w < 33)) + 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); + } + w = strsep(&stringp, ","); + } + 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)) + return NULL; + chan = malloc(sizeof(struct logchannel)); + + if (!chan) /* Can't allocate memory */ + return NULL; + + memset(chan, 0, sizeof(struct logchannel)); + 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, *cur; + struct ast_config *cfg; + struct ast_variable *var; + char *s; + + /* delete our list of log channels */ + ast_mutex_lock(&loglock); + chan = logchannels; + while (chan) { + cur = chan->next; + free(chan); + chan = cur; + } + logchannels = NULL; + ast_mutex_unlock(&loglock); + + 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"); + chan = malloc(sizeof(struct logchannel)); + memset(chan, 0, sizeof(struct logchannel)); + chan->type = LOGTYPE_CONSOLE; + chan->logmask = 28; /*warning,notice,error */ + chan->next = logchannels; + logchannels = chan; + global_logmask |= chan->logmask; + return; + } + + ast_mutex_lock(&loglock); + 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); + } + + var = ast_variable_browse(cfg, "logfiles"); + while(var) { + chan = make_logchannel(var->name, var->value, var->lineno); + if (chan) { + chan->next = logchannels; + logchannels = chan; + global_logmask |= chan->logmask; + } + var = var->next; + } + + ast_config_destroy(cfg); + ast_mutex_unlock(&loglock); +} + +void ast_queue_log(const char *queuename, const char *callid, const char *agent, const char *event, const char *fmt, ...) +{ + va_list ap; + ast_mutex_lock(&loglock); + 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_mutex_unlock(&loglock); +} + +int reload_logger(int rotate) +{ + char old[AST_CONFIG_MAX_PATH] = ""; + char new[AST_CONFIG_MAX_PATH]; + int event_rotate = rotate, queue_rotate = rotate; + struct logchannel *f; + FILE *myf; + int x, res = 0; + + ast_mutex_lock(&msglist_lock); /* to avoid deadlock */ + ast_mutex_lock(&loglock); + 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); + + f = logchannels; + while(f) { + 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); + } + } + f = f->next; + } + + 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_mutex_unlock(&loglock); + ast_mutex_unlock(&msglist_lock); + + 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; +} + +/*--- handle_logger_show_channels: 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_mutex_lock(&loglock); + + chan = logchannels; + ast_cli(fd,FORMATL, "Channel", "Type", "Status"); + ast_cli(fd, "Configuration\n"); + ast_cli(fd,FORMATL, "-------", "----", "------"); + ast_cli(fd, "-------------\n"); + while (chan) { + 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"); + chan = chan->next; + } + ast_cli(fd, "\n"); + + ast_mutex_unlock(&loglock); + + return RESULT_SUCCESS; +} + +static struct verb { + void (*verboser)(const char *string, int opos, int replacelast, int complete); + struct verb *next; +} *verboser = NULL; + + +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 msglist *m, *tmp; + + ast_mutex_lock(&msglist_lock); + m = list; + while(m) { + if (m->msg) { + free(m->msg); + } + tmp = m->next; + free(m); + m = tmp; + } + list = last = NULL; + msgcnt = 0; + ast_mutex_unlock(&msglist_lock); + 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); +} + +/* + * 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; + char buf[BUFSIZ]; + time_t t; + struct tm tm; + char date[256]; + + va_list ap; + + if (!logchannels) + { + /* + * we don't have the logger chain configured yet, + * so just log to stdout + */ + if (level != __LOG_VERBOSE) { + va_start(ap, fmt); + vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + fputs(buf, 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; + + /* begin critical section */ + ast_mutex_lock(&loglock); + + time(&t); + localtime_r(&t, &tm); + strftime(date, sizeof(date), dateformat, &tm); + + if (logfiles.event_log && level == __LOG_EVENT) { + va_start(ap, fmt); + + fprintf(eventlog, "%s asterisk[%d]: ", date, getpid()); + vfprintf(eventlog, fmt, ap); + fflush(eventlog); + + va_end(ap); + ast_mutex_unlock(&loglock); + return; + } + + chan = logchannels; + while(chan && !chan->disabled) { + /* 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) { + sprintf(linestr, "%d", line); + snprintf(buf, sizeof(buf), option_timestamp ? "[%s] %s[%ld]: %s:%s %s: " : "%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(buf); + va_start(ap, fmt); + vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + ast_console_puts(buf); + } + /* File channels */ + } else if ((chan->logmask & (1 << level)) && (chan->fileptr)) { + int res; + snprintf(buf, sizeof(buf), option_timestamp ? "[%s] %s[%ld]: " : "%s %s[%ld] %s: ", date, + levels[level], (long)GETTID(), file); + res = fprintf(chan->fileptr, buf); + if (res <= 0 && buf[0] != '\0') { /* 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 { + /* No error message, continue printing */ + va_start(ap, fmt); + vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + term_strip(buf, buf, sizeof(buf)); + fputs(buf, chan->fileptr); + fflush(chan->fileptr); + } + } + chan = chan->next; + } + + ast_mutex_unlock(&loglock); + /* end critical section */ + 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_verbose(const char *fmt, ...) +{ + static char stuff[4096]; + static int len = 0; + static int replacelast = 0; + + int complete; + int olen; + struct msglist *m; + struct verb *v; + + va_list ap; + va_start(ap, fmt); + + if (option_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); + if (datefmt) { + sprintf(datefmt, "[%s] %s", date, fmt); + fmt = datefmt; + } + } + + /* this lock is also protecting against multiple threads + being in this function at the same time, so it must be + held before any of the static variables are accessed + */ + ast_mutex_lock(&msglist_lock); + + /* there is a potential security problem here: if formatting + the current date using 'dateformat' results in a string + containing '%', then the vsnprintf() call below will + probably try to access random memory + */ + vsnprintf(stuff + len, sizeof(stuff) - len, fmt, ap); + va_end(ap); + + olen = len; + len = strlen(stuff); + + complete = (stuff[len - 1] == '\n') ? 1 : 0; + + /* If we filled up the stuff completely, then log it even without the '\n' */ + if (len >= sizeof(stuff) - 1) { + complete = 1; + len = 0; + } + + if (complete) { + if (msgcnt < MAX_MSG_QUEUE) { + /* Allocate new structure */ + if ((m = calloc(1, sizeof(*m)))) + msgcnt++; + } else { + /* Recycle the oldest entry */ + m = list; + list = list->next; + if (m->msg) + free(m->msg); + } + if (m) { + m->msg = strdup(stuff); + if (m->msg) { + if (last) + last->next = m; + else + list = m; + m->next = NULL; + last = m; + } else { + msgcnt--; + ast_log(LOG_ERROR, "Out of memory\n"); + free(m); + } + } + } + + for (v = verboser; v; v = v->next) + v->verboser(stuff, olen, replacelast, complete); + + ast_log(LOG_VERBOSE, "%s", stuff); + + if (len) { + if (!complete) + replacelast = 1; + else + replacelast = len = 0; + } + + ast_mutex_unlock(&msglist_lock); +} + +int ast_verbose_dmesg(void (*v)(const char *string, int opos, int replacelast, int complete)) +{ + struct msglist *m; + ast_mutex_lock(&msglist_lock); + m = list; + while(m) { + /* Send all the existing entries that we have queued (i.e. they're likely to have missed) */ + v(m->msg, 0, 0, 1); + m = m->next; + } + ast_mutex_unlock(&msglist_lock); + return 0; +} + +int ast_register_verbose(void (*v)(const char *string, int opos, int replacelast, int complete)) +{ + struct msglist *m; + struct verb *tmp; + /* XXX Should be more flexible here, taking > 1 verboser XXX */ + if ((tmp = malloc(sizeof (struct verb)))) { + tmp->verboser = v; + ast_mutex_lock(&msglist_lock); + tmp->next = verboser; + verboser = tmp; + m = list; + while(m) { + /* Send all the existing entries that we have queued (i.e. they're likely to have missed) */ + v(m->msg, 0, 0, 1); + m = m->next; + } + ast_mutex_unlock(&msglist_lock); + return 0; + } + return -1; +} + +int ast_unregister_verbose(void (*v)(const char *string, int opos, int replacelast, int complete)) +{ + int res = -1; + struct verb *tmp, *tmpl=NULL; + ast_mutex_lock(&msglist_lock); + tmp = verboser; + while(tmp) { + if (tmp->verboser == v) { + if (tmpl) + tmpl->next = tmp->next; + else + verboser = tmp->next; + free(tmp); + break; + } + tmpl = tmp; + tmp = tmp->next; + } + if (tmp) + res = 0; + ast_mutex_unlock(&msglist_lock); + return res; +} |