@@ -68,7 +68,7 @@ void receive_stdin_loop()

 char* cfg_file = 0;

 unsigned short port_no = 0; /* port on which we listen */

-int child_no = 0;           /* number of children processing requests */

+int children_no = 0;           /* number of children processing requests */

 int debug = 0;

 int dont_fork = 0;

 int log_stderr = 0;

@@ -80,8 +80,111 @@ char* names[MAX_LISTEN];               /* our names */

 unsigned long addresses[MAX_LISTEN];   /* our ips */

 int addresses_no=0;                    /* number of names/ips */

+/* ipc related globals */

+int process_no = 0;

+#ifdef ROUTE_SRV

+#endif

+

+#define MAX_FD 32 /* maximum number of inherited open file descriptors,

+		    (normally it shouldn't  be bigger  than 3) */

+

+/* daemon init, return 0 on success, -1 on error */

+int daemonize(char*  name)

+{

+	pid_t pid;

+	int r;

+	

+	if (log_stderr==0)

+		openlog(name, LOG_PID, LOG_DAEMON); /* LOG_CONS, LOG_PERRROR ? */

+

+	if (chdir("/")<0){

+		LOG(L_CRIT,"cannot chroot:%s\n", strerror(errno));

+		goto error;

+	}

+	

+	/* fork to become!= group leader*/

+	if ((pid=fork())<0){

+		LOG(L_CRIT, "Cannot fork:%s\n", strerror(errno));

+		goto error;

+	}

+	if (pid!=0){

+		/* parent process => exit*/

+		exit(0);

+	}

+	/* become session leader to drop the ctrl. terminal */

+	if (setsid()<0){

+		LOG(L_WARN, "setsid failed: %s\n",strerror(errno));

+	}

+	/* fork again to drop group  leadership */

+	if ((pid=fork())<0){

+		LOG(L_CRIT, "Cannot  fork:%s\n", strerror(errno));

+		goto error;

+	}

+	if (pid!=0){

+		/*parent process => exit */

+		exit(0);

+	}

+	

+	/* close any open file descriptors */

+	

+	for (r=0;r<MAX_FD; r++){

+		if ((r==3) && log_stderr)  continue;

+		close(r);

+	}

+	

+	return  0;

+

+error:

+	return -1;

+}

+

+

+

+/* main loop */

+int main_loop()

+{

+	int r, i;

+	pid_t pid;

+

+	/* one "main" process and n children handling i/o */

+

+	if (dont_fork){

+		/* only one address */

+		if (udp_init(addresses[0],port_no)==-1) goto error;

+		/* receive loop */

+		udp_rcv_loop();

+	}else{

+		for(r=0;r<addresses_no;r++){

+			for(i=0;i<children_no;i++){

+				if ((pid=fork())<0){

+					LOG(L_CRIT,  "main_loop: Cannot fork\n");

+					goto error;

+				}

+				if (pid==0){

+					/* child */

+					if (udp_init(addresses[r], port_no)==-1) goto error;

+					return udp_rcv_loop();

+				}

+			}

+		}

+	}

+		

+	for(;;){

+		/* debug:  instead of select */

+		sleep(1);

+	}

+	

+	return 0;

+ error:

+	return -1;

+

+}

+	

+	

+	

+	

 int main(int argc, char** argv)

 {

@@ -123,7 +226,7 @@ int main(int argc, char** argv)

 					}

 					break;

 			case 'n':

-					child_no=strtol(optarg, tmp, 10);

+					children_no=strtol(optarg, tmp, 10);

 					if (tmp &&(*tmp)){

 						fprintf(stderr, "bad process number: -n %s\n", optarg);

 						goto error;

@@ -175,8 +278,8 @@ int main(int argc, char** argv)

 	/* fill missing arguments with the default values*/

 	if (cfg_file==0) cfg_file=CFG_FILE;

-	if (port_no==0) port_no=SIP_PORT;

-	if (child_no==0) child_no=CHILD_NO;

+	if (port_no<=0) port_no=SIP_PORT;

+	if (children_no<=0) children_no=CHILD_NO;

 	if (addresses_no==0) {

 		/* get our address, only the first one */

 		if (uname (&myname) <0){

@@ -227,13 +330,12 @@ int main(int argc, char** argv)

 	/* init_daemon? */

-

-	/* only one address for now */

-	if (udp_init(addresses[0],port_no)==-1) goto error;

-	/* start/init other processes/threads ? */

-

-	/* receive loop */

-	udp_rcv_loop();

+	if (!dont_fork){

+		if ( daemonize(argv[0]) <0 ) goto error;

+	}

+		

+	

+	return main_loop();

 error: