static void pumpLogMessages (tr_sys_file_t logfile) { const tr_log_message * l; tr_log_message * list = tr_logGetQueue (); for (l=list; l!=NULL; l=l->next) printMessage (logfile, l->level, l->name, l->message, l->file, l->line); if (logfile != TR_BAD_SYS_FILE) tr_sys_file_flush (logfile, NULL); tr_logFreeQueue (list); }
void tr_logAddMessage (const char * file, int line, tr_log_level level, const char * name, const char * fmt, ...) { const int err = errno; /* message logging shouldn't affect errno */ char buf[1024]; int buf_len; va_list ap; tr_lockLock (getMessageLock ()); /* build the text message */ *buf = '\0'; va_start (ap, fmt); buf_len = evutil_vsnprintf (buf, sizeof (buf), fmt, ap); va_end (ap); if (buf_len < 0) return; #ifdef _WIN32 if ((size_t) buf_len < sizeof (buf) - 3) { buf[buf_len + 0] = '\r'; buf[buf_len + 1] = '\n'; buf[buf_len + 2] = '\0'; OutputDebugStringA (buf); buf[buf_len + 0] = '\0'; } else { OutputDebugStringA (buf); } #endif if (*buf) { if (tr_logGetQueueEnabled ()) { tr_log_message * newmsg; newmsg = tr_new0 (tr_log_message, 1); newmsg->level = level; newmsg->when = tr_time (); newmsg->message = tr_strdup (buf); newmsg->file = file; newmsg->line = line; newmsg->name = tr_strdup (name); *myQueueTail = newmsg; myQueueTail = &newmsg->next; ++myQueueLength; if (myQueueLength > TR_LOG_MAX_QUEUE_LENGTH) { tr_log_message * old = myQueue; myQueue = old->next; old->next = NULL; tr_logFreeQueue (old); --myQueueLength; assert (myQueueLength == TR_LOG_MAX_QUEUE_LENGTH); } } else { tr_sys_file_t fp; char timestr[64]; fp = tr_logGetFile (); if (fp == TR_BAD_SYS_FILE) fp = tr_sys_file_get_std (TR_STD_SYS_FILE_ERR, NULL); tr_logGetTimeStr (timestr, sizeof (timestr)); if (name) tr_sys_file_write_fmt (fp, "[%s] %s: %s" TR_NATIVE_EOL_STR, NULL, timestr, name, buf); else tr_sys_file_write_fmt (fp, "[%s] %s" TR_NATIVE_EOL_STR, NULL, timestr, buf); tr_sys_file_flush (fp, NULL); } } tr_lockUnlock (getMessageLock ()); errno = err; }