support daemonizing in recording daemon

Change-Id: I9c76d63efe72d6598087a97f8bf93e0958b81fad

daemon/Makefile

@@ -68,7 +68,7 @@ endif
 SRCS=		main.c kernel.c poller.c aux.c control_tcp.c streambuf.c call.c control_udp.c redis.c \
 		bencode.c cookie_cache.c udp_listener.c control_ng.c sdp.c str.c stun.c rtcp.c \
 		crypto.c rtp.c call_interfaces.c dtls.c log.c cli.c graphite.c ice.c socket.c \
-		media_socket.c rtcp_xr.c homer.c recording.c rtplib.c loglib.c
+		media_socket.c rtcp_xr.c homer.c recording.c rtplib.c loglib.c auxlib.c
 OBJS=		$(SRCS:.c=.o)
 
 

daemon/auxlib.c

@@ -0,0 +1 @@
+../lib/auxlib.c

daemon/main.c

@@ -31,6 +31,7 @@
 #include "media_socket.h"
 #include "homer.h"
 #include "recording.h"
+#include "auxlib.h"
 
 
 
@@ -469,30 +470,6 @@ static void options(int *argc, char ***argv) {
 }
 
 
-static void daemonize(void) {
-	if (fork())
-		_exit(0);
-	write_log = (write_log_t *) syslog;
-	stdin = freopen("/dev/null", "r", stdin);
-	stdout = freopen("/dev/null", "w", stdout);
-	stderr = freopen("/dev/null", "w", stderr);
-	setpgrp();
-}
-
-static void wpidfile(void) {
-	FILE *fp;
-
-	if (!pidfile)
-		return;
-
-	fp = fopen(pidfile, "w");
-	if (fp) {
-		fprintf(fp, "%u\n", getpid());
-		fclose(fp);
-	}
-}
-
-
 static void cb_openssl_threadid(CRYPTO_THREADID *tid) {
 	pthread_t me;
 
@@ -665,7 +642,7 @@ no_kernel:
 
 	if (!foreground)
 		daemonize();
-	wpidfile();
+	wpidfile(pidfile);
 
 	ctx->m->homer = homer_sender_new(&homer_ep, homer_protocol, homer_id);
 
@@ -731,7 +708,8 @@ int main(int argc, char **argv) {
 		threads_join_all(0);
 	}
 
-	redis_notify_event_base_action(ctx.m, EVENT_BASE_LOOPBREAK);
+	if (!is_addr_unspecified(&redis_ep.address))
+		redis_notify_event_base_action(ctx.m, EVENT_BASE_LOOPBREAK);
 
 	threads_join_all(1);
 

lib/auxlib.c

@@ -0,0 +1,28 @@
+#include "auxlib.h"
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include "loglib.h"
+
+void daemonize(void) {
+	if (fork())
+		_exit(0);
+	write_log = (write_log_t *) syslog;
+	stdin = freopen("/dev/null", "r", stdin);
+	stdout = freopen("/dev/null", "w", stdout);
+	stderr = freopen("/dev/null", "w", stderr);
+	setpgrp();
+}
+
+void wpidfile(const char *pidfile) {
+	FILE *fp;
+
+	if (!pidfile)
+		return;
+
+	fp = fopen(pidfile, "w");
+	if (fp) {
+		fprintf(fp, "%u\n", getpid());
+		fclose(fp);
+	}
+}

lib/auxlib.h

@@ -0,0 +1,9 @@
+#ifndef _AUXLIB_H_
+#define _AUXLIB_H_
+
+
+void daemonize(void);
+void wpidfile(const char *pidfile);
+
+
+#endif

recording-daemon/Makefile

@@ -36,7 +36,7 @@ ifneq ($(DBG),yes)
 endif
 
 SRCS=		epoll.c garbage.c inotify.c main.c metafile.c stream.c recaux.c rtplib.c packet.c \
-		decoder.c loglib.c
+		decoder.c loglib.c auxlib.c
 OBJS=		$(SRCS:.c=.o)
 
 

recording-daemon/auxlib.c

@@ -0,0 +1 @@
+../lib/auxlib.c

recording-daemon/main.c

@@ -14,6 +14,7 @@
 #include "metafile.h"
 #include "garbage.h"
 #include "loglib.h"
+#include "auxlib.h"
 
 
 
@@ -49,6 +50,7 @@ static void setup(void) {
 	epoll_setup();
 	inotify_setup();
 	av_log_set_callback(avlog_ilog);
+	openlog("rtpengine-recording", LOG_PID | LOG_NDELAY, LOG_DAEMON);
 }
 
 
@@ -104,6 +106,8 @@ static void cleanup(void) {
 
 int main() {
 	setup();
+	daemonize();
+	//wpidfile();
 
 	for (int i = 0; i < NUM_THREADS; i++)
 		start_poller_thread();