Mercurial > mbsePi-apps / file comparison
comparison: brewco/brewco.c
brewco/brewco.c
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| 408:ec507c1f1df7 | 409:cdf68044adaf |
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| 1 /***************************************************************************** | |
| 2 * Copyright (C) 2015 | |
| 3 * | |
| 4 * Michiel Broek <mbroek at mbse dot eu> | |
| 5 * | |
| 6 * This file is part of the mbsePi-apps | |
| 7 * | |
| 8 * This is free software; you can redistribute it and/or modify it | |
| 9 * under the terms of the GNU General Public License as published by the | |
| 10 * Free Software Foundation; either version 2, or (at your option) any | |
| 11 * later version. | |
| 12 * | |
| 13 * mbsePi-apps is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU General Public License | |
| 19 * along with ThermFerm; see the file COPYING. If not, write to the Free | |
| 20 * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
| 21 *****************************************************************************/ | |
| 22 | |
| 23 #include "rdconfig.h" | |
| 24 #include "brewco.h" | |
| 25 #include "futil.h" | |
| 26 #include "xutil.h" | |
| 27 | |
| 28 | |
| 29 int my_shutdown = FALSE; | |
| 30 extern int debug; | |
| 31 extern sys_config Config; | |
| 32 #ifdef HAVE_WIRINGPI_H | |
| 33 extern int lcdHandle; | |
| 34 #endif | |
| 35 | |
| 36 | |
| 37 void help(void); | |
| 38 void die(int); | |
| 39 | |
| 40 | |
| 41 | |
| 42 void help(void) | |
| 43 { | |
| 44 fprintf(stdout, "mbsePi-apps brewco v%s starting\n\n", VERSION); | |
| 45 fprintf(stdout, "Usage: brewco [-d] [-h]\n"); | |
| 46 fprintf(stdout, " -d --debug Debug and run in foreground\n"); | |
| 47 fprintf(stdout, " -h --help Display this help\n"); | |
| 48 } | |
| 49 | |
| 50 | |
| 51 | |
| 52 void die(int onsig) | |
| 53 { | |
| 54 switch (onsig) { | |
| 55 case SIGHUP: syslog(LOG_NOTICE, "Got SIGHUP, shutting down"); | |
| 56 break; | |
| 57 case SIGINT: syslog(LOG_NOTICE, "Keyboard interrupt, shutting down"); | |
| 58 break; | |
| 59 case SIGTERM: syslog(LOG_NOTICE, "Got SIGTERM, shutting down"); | |
| 60 break; | |
| 61 case SIGSEGV: syslog(LOG_NOTICE, "Got SIGSEGV, shutting down"); | |
| 62 my_shutdown = TRUE; | |
| 63 exit(SIGSEGV); | |
| 64 break; | |
| 65 default: syslog(LOG_NOTICE, "die() on signal %d", onsig); | |
| 66 } | |
| 67 | |
| 68 my_shutdown = TRUE; | |
| 69 } | |
| 70 | |
| 71 | |
| 72 | |
| 73 int main(int argc, char *argv[]) | |
| 74 { | |
| 75 int rc = 0, c, i; | |
| 76 | |
| 77 while (1) { | |
| 78 int option_index = 0; | |
| 79 static struct option long_options[] = { | |
| 80 {"debug", 0, 0, 'c'}, | |
| 81 {"help", 0, 0, 'h'}, | |
| 82 {0, 0, 0, 0} | |
| 83 }; | |
| 84 | |
| 85 c = getopt_long(argc, argv, "dh", long_options, &option_index); | |
| 86 if (c == -1) | |
| 87 break; | |
| 88 | |
| 89 switch (c) { | |
| 90 case 'd': debug = TRUE; | |
| 91 break; | |
| 92 case 'h': help(); | |
| 93 return 1; | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 openlog("brewco", LOG_PID|LOG_CONS|LOG_NOWAIT, LOG_USER); | |
| 98 syslog(LOG_NOTICE, "mbsePi-apps brewco v%s starting", VERSION); | |
| 99 if (debug) | |
| 100 fprintf(stdout, "mbsePi-apps brewco v%s starting\n", VERSION); | |
| 101 | |
| 102 if (rdconfig()) { | |
| 103 fprintf(stderr, "Error reading configuration\n"); | |
| 104 syslog(LOG_NOTICE, "Error reading configuration: halted"); | |
| 105 return 1; | |
| 106 } | |
| 107 | |
| 108 /* | |
| 109 * Catch all the signals we can, and ignore the rest. Note that SIGKILL can't be ignored | |
| 110 * but that's live. This daemon should only be stopped by SIGTERM. | |
| 111 * Don't catch SIGCHLD. | |
| 112 */ | |
| 113 for (i = 0; i < NSIG; i++) { | |
| 114 if ((i != SIGCHLD) && (i != SIGKILL) && (i != SIGSTOP)) | |
| 115 signal(i, (void (*))die); | |
| 116 } | |
| 117 | |
| 118 #ifdef HAVE_WIRINGPI_H | |
| 119 if (wiringPiSetup () ) | |
| 120 return 1; | |
| 121 | |
| 122 if ((rc = initLCD (Config.lcd_cols, Config.lcd_rows))) { | |
| 123 fprintf(stderr, "Cannot initialize LCD display, rc=%d\n", rc); | |
| 124 return 1; | |
| 125 } | |
| 126 #endif | |
| 127 | |
| 128 | |
| 129 syslog(LOG_NOTICE, "Finished, rc=%d", rc); | |
| 130 return rc; | |
| 131 } | |
| 132 | |
| 133 | |
| 134 |
