src/server/main.c

   1 /*
   2  * OpenDispense 2
   3  * UCC (University [of WA] Computer Club) Electronic Accounting System
   4  *
   5  * main.c - Initialisation Code
   6  *
   7  * This file is licenced under the 3-clause BSD Licence. See the file
   8  * COPYING for full details.
   9  */
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <signal.h>
  14 #include "common.h"
  15 #include <termios.h>
  16
  17 // === IMPORTS ===
  18 extern void     Init_Cokebank(const char *Argument);    // cokebank.c
  19 extern void     Init_Handlers(void);
  20 extern void     Load_Itemlist(void);
  21 extern void     Server_Start(void);
  22 extern int      giServer_Port;
  23 extern char*    gsItemListFile;
  24 extern char*    gsCoke_SerialPort;
  25 extern char*    gsSnack_SerialPort;
  26
  27 // === GLOBALS ===
  28  int    giDebugLevel = 0;
  29 char    *gsCokebankPath = "cokebank.db";
  30
  31 // === CODE ===
  32 void sigint_handler()
  33 {
  34         exit(0);
  35 }
  36
  37 int main(int argc, char *argv[])
  38 {
  39          int    i;
  40
  41         // Parse Arguments
  42         for( i = 1; i < argc; i++ )
  43         {
  44                 char    *arg = argv[i];
  45                 if( arg[0] == '-' && arg[1] != '-')
  46                 {
  47                         switch(arg[1])
  48                         {
  49                         case 'p':
  50                                 giServer_Port = atoi(argv[++i]);
  51                                 break;
  52                         case 'd':
  53                                 giDebugLevel = atoi(argv[++i]);
  54                                 break;
  55                         default:
  56                                 // Usage Error?
  57                                 break;
  58                         }
  59                 }
  60                 else if( arg[0] == '-' && arg[1] == '-' ) {
  61                         if( strcmp(arg, "--itemsfile") == 0 ) {
  62                                 gsItemListFile = argv[++i];
  63                         }
  64                         else if( strcmp(arg, "--cokeport") == 0 ) {
  65                                 gsCoke_SerialPort = argv[++i];
  66                         }
  67                         else if( strcmp(arg, "--snackport") == 0 ) {
  68                                 gsSnack_SerialPort = argv[++i];
  69                         }
  70                         else {
  71                                 // Usage error?
  72                         }
  73                 }
  74                 else {
  75                         // Usage Error?
  76                 }
  77         }
  78
  79         signal(SIGINT, sigint_handler);
  80
  81         Init_Cokebank(gsCokebankPath);
  82
  83         Init_Handlers();
  84
  85         Load_Itemlist();
  86
  87         Server_Start();
  88
  89
  90         return 0;
  91 }
  92
  93 int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage)
  94 {
  95          int    ret;
  96
  97         ret = regexec(regex, string, nMatches, matches, 0);
  98         if( ret ) {
  99                 size_t  len = regerror(ret, regex, NULL, 0);
 100                 char    errorStr[len];
 101                 regerror(ret, regex, errorStr, len);
 102                 printf("string = '%s'\n", string);
 103                 fprintf(stderr, "%s\n%s", errorMessage, errorStr);
 104                 exit(-1);
 105         }
 106
 107         return ret;
 108 }
 109
 110 void CompileRegex(regex_t *regex, const char *pattern, int flags)
 111 {
 112          int    ret = regcomp(regex, pattern, flags);
 113         if( ret ) {
 114                 size_t  len = regerror(ret, regex, NULL, 0);
 115                 char    errorStr[len];
 116                 regerror(ret, regex, errorStr, len);
 117                 fprintf(stderr, "Regex compilation failed - %s\n", errorStr);
 118                 exit(-1);
 119         }
 120 }
 121
 122 // Serial helper
 123 void InitSerial(int FD, int BaudRate)
 124 {
 125         struct termios  info;
 126          int    baud;
 127
 128         switch(BaudRate)
 129         {
 130         case 9600:      baud = B9600;   break;
 131         default:        return ;
 132         }
 133
 134         cfmakeraw(&info);       // Sets 8N1
 135         cfsetspeed(&info, baud);
 136
 137         tcsetattr(FD, TCSANOW, &info);
 138 }
 139
 140