--- embedtools/src/pceng.c	2011/07/22 13:35:06	1.1.2.2
+++ embedtools/src/pceng.c	2011/07/22 15:03:30	1.1.2.5
@@ -3,7 +3,7 @@
  *  by Michael Pounov <misho@aitbg.com>
  *
  * $Author: misho $
- * $Id: pceng.c,v 1.1.2.2 2011/07/22 13:35:06 misho Exp $
+ * $Id: pceng.c,v 1.1.2.5 2011/07/22 15:03:30 misho Exp $
  *
  *************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -47,9 +47,10 @@ SUCH DAMAGE.
 #include "pceng.h"
 
 
-int Verbose;
+int Verbose, Kill;
 extern char compiled[], compiledby[], compilehost[];
 sl_config cfg;
+char szConf[MAXPATHLEN] = DEFAULT_PCENG_CFG;
 
 
 static void
@@ -57,28 +58,52 @@ Usage()
 {
 	printf(	"-= PCEngines =- events managment tool\n"
 		"=== %s === %s@%s ===\n\n"
-		"  Syntax: pceng [options]\n"
+		"  Syntax: pceng [options] [[led_no <0|1>] ...]\n"
 		"\n"
 		"\t-v\t\tVerbose ...\n"
-		"\t-b\t\tRun in batch mode ...\n"
+		"\t-D\t\tRun in background mode ...\n"
 		"\t-c <conf>\tConfig events file ...\n"
 		"\n", compiled, compiledby, compilehost);
 }
 
+static void
+sigHand(int sig)
+{
+	int stat;
 
+	switch (sig) {
+		case SIGHUP:
+			UnloadConfig(&cfg);
+			if (LoadConfig(szConf, &cfg)) {
+				syslog(LOG_ERR, "Error:: #%d - %s", cfg_GetErrno(), cfg_GetError());
+				raise(SIGTERM);
+			}
+			VERB(1) syslog(LOG_WARNING, "Reload config %s", szConf);
+			break;
+		case SIGTERM:
+			VERB(1) syslog(LOG_WARNING, "Kill process ...");
+			Kill++;
+			break;
+		case SIGCHLD:
+			while (waitpid(-1, &stat, WNOHANG) > 0);
+	}
+}
+
+
 int
 main(int argc, char **argv)
 {
-	char ch, szConf[MAXPATHLEN] = DEFAULT_PCENG_CFG;
-	int mode = 0;
+	char ch, ledno;
+	int i, io, ret = 0, mode = 1;
+	struct sigaction sact;
 
-	while ((ch = getopt(argc, argv, "vhbc:")) != -1)
+	while ((ch = getopt(argc, argv, "vhDc:")) != -1)
 		switch (ch) {
 			case 'c':
 				strlcpy(szConf, optarg, sizeof szConf);
 				break;
-			case 'b':
-				mode = 1;
+			case 'D':
+				mode = 0;
 				break;
 			case 'v':
 				Verbose++;
@@ -91,11 +116,71 @@ main(int argc, char **argv)
 	argc -= optind;
 	argv += optind;
 
+	if (!mode)
+		openlog("pceng", LOG_CONS | LOG_PID, LOG_DAEMON);
+	else
+		openlog("pceng", LOG_CONS | LOG_PID | LOG_PERROR, LOG_USER);
+
+	io = open(_PATH_DEVIO, O_RDWR);
+	if (io == -1) {
+		printf("Error:: in open dev %s #%d - %s\n", _PATH_DEVIO, errno, strerror(errno));
+		ret = 2;
+		goto end;
+	}
+
+	if (argc > 1 && !(argc % 2)) {
+		for (i = 0; !ret && i < argc; i += 2) {
+			ledno = (char) strtol(argv[i], NULL, 0);
+			ch = (char) strtol(argv[i + 1], NULL, 0);
+			ret = LED(io, (u_char) ledno, (u_char) ch);
+		}
+		if (ret)
+			goto end;
+	}
+
 	if (LoadConfig(szConf, &cfg)) {
 		printf("Error:: #%d - %s\n", cfg_GetErrno(), cfg_GetError());
-		return 1;
+		ret = 1;
+		goto end;
 	}
 
+	sact.sa_handler = sigHand;
+	sigemptyset(&sact.sa_mask);
+	sigaction(SIGHUP, &sact, NULL);
+	sigaction(SIGTERM, &sact, NULL);
+	sigaction(SIGCHLD, &sact, NULL);
+
+	if (!mode)
+		switch (fork()) {
+			case -1:
+				printf("Error:: #%d - %s\n", errno, strerror(errno));
+				ret = 1;
+				goto end;
+			case 0:
+				VERB(1) printf("Welcome into darkness ...\n");
+
+				setsid();
+				chdir("/");
+
+				mode = open(_PATH_DEVNULL, O_RDWR);
+				if (mode > 2) {
+					dup2(mode, STDIN_FILENO);
+					dup2(mode, STDOUT_FILENO);
+					dup2(mode, STDERR_FILENO);
+					close(mode);
+				}
+				break;
+			default:
+				VERB(1) printf("PCENG Going to shadow land ...\n");
+				goto end;
+		}
+
+	ret = Run(io);
+
+end:
 	UnloadConfig(&cfg);
-	return 0;
+	if (io > 2)
+		close(io);
+	closelog();
+	return ret;
 }