Version 0.1.11 from FTP

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@412 65c4cc65-6c06-0410-ace0-fbb531ad65f3

asterisk.h

@@ -38,4 +38,6 @@ extern int load_pbx(void);
 extern int init_logger(void);
 /* Provided by frame.c */
 extern int init_framer(void);
+/* Provided by logger.c */
+extern int reload_logger(void);
 #endif

configs/logger.conf.sample

@@ -0,0 +1,16 @@
+;
+; Logging Configuration
+;
+[logfiles]
+;
+; Format is "filename" and then "levels" of debugging to be included:
+;    debug
+;    notice
+;    warning
+;    error
+;
+; Special filename "console" represents the system console
+;
+;debug => debug
+console => notice,warning,error
+messages => notice,warning,error

loader.c

@@ -135,6 +135,10 @@ int ast_unload_resource(char *resource_name, int force)
 void ast_module_reload(void)
 {
 	struct module *m;
+
+	/* We'll do the logger the favor of calling its reload here first */
+	
+
 	ast_pthread_mutex_lock(&modlock);
 	m = module_list;
 	while(m) {

logger.c

@@ -1,9 +1,9 @@
 /*
- * Cheops Next Generation
+ * Asterisk Logger
  * 
  * Mark Spencer <markster@marko.net>
  *
- * Copyright(C)1999, Mark Spencer
+ * Copyright(C)1999, Linux Support Services, Inc.
  * 
  * Distributed under the terms of the GNU General Public License (GPL) Version 2
  *
@@ -18,6 +18,7 @@
 #include <asterisk/logger.h>
 #include <asterisk/options.h>
 #include <asterisk/channel.h>
+#include <asterisk/config.h>
 #include <string.h>
 #include <stdlib.h>
 #include <errno.h>
@@ -37,6 +38,15 @@ static struct msglist {
 	struct msglist *next;
 } *list = NULL, *last = NULL;
 
+struct logfile {
+	char fn[256];
+	int logflags;
+	FILE *f;
+	struct logfile *next;
+};
+
+static struct logfile *logfiles = NULL;
+
 static int msgcnt = 0;
 
 static FILE *eventlog = NULL;
@@ -49,6 +59,108 @@ static char *levels[] = {
 	"ERROR"
 };
 
+static int make_components(char *s, int lineno)
+{
+	char *w;
+	int res = 0;
+	w = strtok(s, ",");
+	while(w) {
+		while(*w && (*w < 33))
+			w++;
+		if (!strcasecmp(w, "debug"))
+			res |= (1 << 0);
+		else if (!strcasecmp(w, "notice"))
+			res |= (1 << 2);
+		else if (!strcasecmp(w, "warning"))
+			res |= (1 << 3);
+		else if (!strcasecmp(w, "error"))
+			res |= (1 << 4);
+		else {
+			fprintf(stderr, "Logfile Warning: Unknown keyword '%s' at line %d of logger.conf\n", w, lineno);
+		}
+		w = strtok(NULL, ",");
+	}
+	return res;
+}
+
+static struct logfile *make_logfile(char *fn, char *components, int lineno)
+{
+	struct logfile *f;
+	char tmp[256];
+	if (!strlen(fn))
+		return NULL;
+	f = malloc(sizeof(struct logfile));
+	if (f) {
+		memset(f, 0, sizeof(f));
+		strncpy(f->fn, fn, sizeof(f->fn) - 1);
+		if (!strcasecmp(fn, "ignore")) {
+			f->f = NULL;
+		} else if (!strcasecmp(fn, "console")) {
+			f->f = stdout;
+		} else {
+			if (fn[0] == '/') 
+				strncpy(tmp, fn, sizeof(tmp) - 1);
+			else
+				snprintf(tmp, sizeof(tmp), "%s/%s", AST_LOG_DIR, fn);
+			f->f = fopen(tmp, "a");
+			if (!f->f) {
+				/* Can't log here, since we're called with a lock */
+				fprintf(stderr, "Logger Warning: Unable to open log file '%s': %s\n", tmp, strerror(errno));
+			}
+		}
+		f->logflags = make_components(components, lineno);
+		
+	}
+	return f;
+}
+
+static void init_logger_chain(void)
+{
+	struct logfile *f, *cur;
+	struct ast_config *cfg;
+	struct ast_variable *var;
+
+	ast_pthread_mutex_lock(&loglock);
+
+	/* Free anything that is here */
+	f = logfiles;
+	while(f) {
+		cur = f->next;
+		if (f->f && (f->f != stdout) && (f->f != stderr))
+			fclose(f->f);
+		free(f);
+		f = cur;
+	}
+
+	logfiles = NULL;
+
+	ast_pthread_mutex_unlock(&loglock);
+	cfg = ast_load("logger.conf");
+	ast_pthread_mutex_lock(&loglock);
+	
+	/* If no config file, we're fine */
+	if (!cfg) {
+		ast_pthread_mutex_unlock(&loglock);
+		return;
+	}
+	var = ast_variable_browse(cfg, "logfiles");
+	while(var) {
+		f = make_logfile(var->name, var->value, var->lineno);
+		if (f) {
+			f->next = logfiles;
+			logfiles = f;
+		}
+		var = var->next;
+	}
+	if (!logfiles) {
+		/* Gotta have at least one.  We'll make a NULL one */
+		logfiles = make_logfile("ignore", "", -1);
+	}
+	ast_pthread_mutex_unlock(&loglock);
+	
+
+}
+
 static struct verb {
 	void (*verboser)(char *string, int opos, int replacelast, int complete);
 	struct verb *next;
@@ -60,12 +172,35 @@ int init_logger(void)
 	mkdir(AST_LOG_DIR, 0755);
 	eventlog = fopen(AST_EVENT_LOG, "a");
 	if (eventlog) {
+		init_logger_chain();
 		ast_log(LOG_EVENT, "Started Asterisk Event Logger\n");
 		if (option_verbose)
 			ast_verbose("Asterisk Event Logger Started\n");
 		return 0;
 	} else 
 		ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno));
+	init_logger_chain();
+	return -1;
+}
+
+int reload_logger(void)
+{
+	ast_pthread_mutex_lock(&loglock);
+	if (eventlog)
+		fclose(eventlog);
+	mkdir(AST_LOG_DIR, 0755);
+	eventlog = fopen(AST_EVENT_LOG, "a");
+	ast_pthread_mutex_unlock(&loglock);
+
+	if (eventlog) {
+		init_logger_chain();
+		ast_log(LOG_EVENT, "Restarted Asterisk Event Logger\n");
+		if (option_verbose)
+			ast_verbose("Asterisk Event Logger restarted\n");
+		return 0;
+	} else 
+		ast_log(LOG_ERROR, "Unable to create event log: %s\n", strerror(errno));
+	init_logger_chain();
 	return -1;
 }
 
@@ -74,6 +209,7 @@ extern void ast_log(int level, char *file, int line, char *function, char *fmt,
 	char date[256];
 	time_t t;
 	struct tm *tm;
+	struct logfile *f;
 
 	va_list ap;
 	va_start(ap, fmt);
@@ -92,9 +228,28 @@ extern void ast_log(int level, char *file, int line, char *function, char *fmt,
 		} else
 			ast_log(LOG_WARNING, "Unable to retrieve local time?\n");
 	} else {
-		fprintf(stdout, "%s[%ld]: File %s, Line %d (%s): ", levels[level], pthread_self(), file, line, function);
-		vfprintf(stdout, fmt, ap);
-		fflush(stdout);
+		if (logfiles) {
+			f = logfiles;
+			while(f) {
+				if (f->logflags & (1 << level) && f->f) {
+					if ((f->f != stdout) && (f->f != stderr)) {
+						time(&t);
+						tm = localtime(&t);
+						strftime(date, sizeof(date), "%b %e %T", tm);
+						fprintf(f->f, "%s %s[%ld]: File %s, Line %d (%s): ", date, levels[level], pthread_self(), file, line, function);
+					} else {
+						fprintf(f->f, "%s[%ld]: File %s, Line %d (%s): ", levels[level], pthread_self(), file, line, function);
+					}
+					vfprintf(f->f, fmt, ap);
+					fflush(f->f);
+				}
+				f = f->next;
+			}
+		} else {
+			fprintf(stdout, "%s[%ld]: File %s, Line %d (%s): ", levels[level], pthread_self(), file, line, function);
+			vfprintf(stdout, fmt, ap);
+			fflush(stdout);
+		}
 	}
 	ast_pthread_mutex_unlock(&loglock);
 	va_end(ap);