version 1.1, 2011/07/22 13:29:29
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version 1.2, 2012/07/22 22:46:47
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/************************************************************************* |
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* (C) 2011 AITNET - Sofia/Bulgaria - <office@aitbg.com> |
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* by Michael Pounov <misho@aitbg.com> |
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* |
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* $Author$ |
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* $Id$ |
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* |
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************************************************************************* |
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The ELWIX and AITNET software is distributed under the following |
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terms: |
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All of the documentation and software included in the ELWIX and AITNET |
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Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions |
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are met: |
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1. Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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2. Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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3. All advertising materials mentioning features or use of this software |
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must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
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ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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*/ |
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#include "global.h" |
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#include "pceng.h" |
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int Verbose, Kill; |
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extern char compiled[], compiledby[], compilehost[]; |
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cfg_root_t cfg; |
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char szConf[MAXPATHLEN] = DEFAULT_PCENG_CFG; |
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static void |
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Usage() |
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{ |
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printf( "-= PCEngines =- events managment tool\n" |
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"=== %s === %s@%s ===\n\n" |
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" Syntax: pceng [options] [led_no[=<0|1>] ...]\n" |
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"\n" |
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"\t-v\t\tVerbose ...\n" |
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"\t-D\t\tRun in background mode ...\n" |
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"\t-c <conf>\tConfig events file ...\n" |
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"\n", compiled, compiledby, compilehost); |
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} |
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static void |
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sigHand(int sig) |
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{ |
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int stat; |
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switch (sig) { |
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case SIGHUP: |
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cfgUnloadConfig(&cfg); |
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if (cfgLoadConfig(szConf, &cfg)) { |
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syslog(LOG_ERR, "Error:: #%d - %s", cfg_GetErrno(), cfg_GetError()); |
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raise(SIGTERM); |
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} |
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VERB(1) syslog(LOG_WARNING, "Reload config %s", szConf); |
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break; |
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case SIGTERM: |
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VERB(1) syslog(LOG_WARNING, "Kill process ..."); |
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Kill++; |
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break; |
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case SIGCHLD: |
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while (waitpid(-1, &stat, WNOHANG) > 0); |
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} |
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} |
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int |
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main(int argc, char **argv) |
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{ |
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char ch, ledno, *pos; |
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int i, ret = 0, mode = 1; |
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struct sigaction sact; |
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#ifdef __FreeBSD__ |
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int io; |
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#endif |
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while ((ch = getopt(argc, argv, "vhDc:")) != -1) |
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switch (ch) { |
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case 'c': |
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strlcpy(szConf, optarg, sizeof szConf); |
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break; |
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case 'D': |
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mode = 0; |
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break; |
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case 'v': |
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Verbose++; |
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break; |
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case 'h': |
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default: |
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Usage(); |
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return 1; |
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} |
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argc -= optind; |
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argv += optind; |
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if (!mode) |
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openlog("pceng", LOG_CONS | LOG_PID, LOG_DAEMON); |
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else |
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openlog("pceng", LOG_CONS | LOG_PID | LOG_PERROR, LOG_USER); |
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#ifdef __FreeBSD__ |
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io = open(_PATH_DEVIO, O_RDONLY); |
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if (io == -1) { |
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printf("Error:: in open dev %s #%d - %s\n", _PATH_DEVIO, errno, strerror(errno)); |
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ret = 2; |
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goto end; |
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} |
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#endif |
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if (cfgLoadConfig(szConf, &cfg)) { |
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printf("Error:: #%d - %s\n", cfg_GetErrno(), cfg_GetError()); |
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ret = 1; |
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goto end; |
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} |
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if (argc) { |
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VERB(1) syslog(LOG_WARNING, "LED client ..."); |
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for (i = 0; !ret && i < argc; pos = NULL, i++) { |
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if ((pos = strchr(argv[i], '='))) { |
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*pos++ = 0; |
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ledno = (char) strtol(argv[i], NULL, 0); |
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ch = (char) strtol(pos, NULL, 0); |
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} else { |
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ledno = (char) strtol(argv[i], NULL, 0); |
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ch = -1; |
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} |
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ret = LED((u_char) ledno, (u_char) ch); |
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printf("%s:: LED#%d=%d\n", (ch == -1) ? "Get" : "Set", ledno, ret); |
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} |
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goto end; |
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} |
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sact.sa_handler = sigHand; |
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sigemptyset(&sact.sa_mask); |
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sigaction(SIGHUP, &sact, NULL); |
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sigaction(SIGTERM, &sact, NULL); |
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sigaction(SIGCHLD, &sact, NULL); |
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if (!mode) |
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switch (fork()) { |
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case -1: |
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printf("Error:: #%d - %s\n", errno, strerror(errno)); |
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ret = 1; |
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goto end; |
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case 0: |
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VERB(1) printf("Welcome into darkness ...\n"); |
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setsid(); |
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chdir("/"); |
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mode = open(_PATH_DEVNULL, O_RDWR); |
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if (mode > 2) { |
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dup2(mode, STDIN_FILENO); |
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dup2(mode, STDOUT_FILENO); |
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dup2(mode, STDERR_FILENO); |
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close(mode); |
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} |
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break; |
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default: |
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VERB(1) printf("PCENG Going to shadow land ...\n"); |
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goto end; |
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} |
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ret = Run(); |
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end: |
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cfgUnloadConfig(&cfg); |
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#ifdef __FreeBSD__ |
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if (io > 2) |
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close(io); |
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#endif |
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closelog(); |
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return ret; |
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} |