--- embedtools/src/pceng.c	2011/07/22 13:29:29	1.1
+++ embedtools/src/pceng.c	2012/07/22 22:46:47	1.2
@@ -0,0 +1,200 @@
+/*************************************************************************
+ * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitbg.com>
+ *  by Michael Pounov <misho@aitbg.com>
+ *
+ * $Author: misho $
+ * $Id: pceng.c,v 1.2 2012/07/22 22:46:47 misho Exp $
+ *
+ *************************************************************************
+The ELWIX and AITNET software is distributed under the following
+terms:
+
+All of the documentation and software included in the ELWIX and AITNET
+Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
+
+Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+	by Michael Pounov <misho@elwix.org>.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. All advertising materials mentioning features or use of this software
+   must display the following acknowledgement:
+This product includes software developed by Michael Pounov <misho@elwix.org>
+ELWIX - Embedded LightWeight unIX and its contributors.
+4. Neither the name of AITNET nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+*/
+#include "global.h"
+#include "pceng.h"
+
+
+int Verbose, Kill;
+extern char compiled[], compiledby[], compilehost[];
+cfg_root_t cfg;
+char szConf[MAXPATHLEN] = DEFAULT_PCENG_CFG;
+
+
+static void
+Usage()
+{
+	printf(	"-= PCEngines =- events managment tool\n"
+		"=== %s === %s@%s ===\n\n"
+		"  Syntax: pceng [options] [led_no[=<0|1>] ...]\n"
+		"\n"
+		"\t-v\t\tVerbose ...\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:
+			cfgUnloadConfig(&cfg);
+			if (cfgLoadConfig(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, ledno, *pos;
+	int i, ret = 0, mode = 1;
+	struct sigaction sact;
+#ifdef __FreeBSD__
+	int io;
+#endif
+
+	while ((ch = getopt(argc, argv, "vhDc:")) != -1)
+		switch (ch) {
+			case 'c':
+				strlcpy(szConf, optarg, sizeof szConf);
+				break;
+			case 'D':
+				mode = 0;
+				break;
+			case 'v':
+				Verbose++;
+				break;
+			case 'h':
+			default:
+				Usage();
+				return 1;
+		}
+	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);
+
+#ifdef __FreeBSD__
+	io = open(_PATH_DEVIO, O_RDONLY);
+	if (io == -1) {
+		printf("Error:: in open dev %s #%d - %s\n", _PATH_DEVIO, errno, strerror(errno));
+		ret = 2;
+		goto end;
+	}
+#endif
+
+	if (cfgLoadConfig(szConf, &cfg)) {
+		printf("Error:: #%d - %s\n", cfg_GetErrno(), cfg_GetError());
+		ret = 1;
+		goto end;
+	}
+
+	if (argc) {
+		VERB(1) syslog(LOG_WARNING, "LED client ...");
+		for (i = 0; !ret && i < argc; pos = NULL, i++) {
+			if ((pos = strchr(argv[i], '='))) {
+				*pos++ = 0;
+				ledno = (char) strtol(argv[i], NULL, 0);
+				ch = (char) strtol(pos, NULL, 0);
+			} else {
+				ledno = (char) strtol(argv[i], NULL, 0);
+				ch = -1;
+			}
+			ret = LED((u_char) ledno, (u_char) ch);
+			printf("%s:: LED#%d=%d\n", (ch == -1) ? "Get" : "Set", ledno, ret);
+		}
+		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();
+
+end:
+	cfgUnloadConfig(&cfg);
+#ifdef __FreeBSD__
+	if (io > 2)
+		close(io);
+#endif
+	closelog();
+	return ret;
+}