Changed door code to use direct serial instead of llogin

[tpg/opendispense2.git] / src / server / main.c

diff --git a/src/server/main.c b/src/server/main.c
index 8ffcd54..d336b77 100644 (file)
--- a/src/server/main.c
+++ b/src/server/main.c
@@ -18,20 +18,32 @@
 #include <fcntl.h>
 #include <stdarg.h>
 #include <syslog.h>
+#include <pthread.h>
+#include "../cokebank.h"
 
 // === IMPORTS ===
-extern void    Init_Cokebank(const char *Argument);    // cokebank.c
 extern void    Init_Handlers(void);
 extern void    Load_Itemlist(void);
 extern void    Server_Start(void);
+extern int     gbServer_RunInBackground;
 extern int     giServer_Port;
 extern char    *gsItemListFile;
 extern char    *gsCoke_SerialPort;
 extern char    *gsSnack_SerialPort;
+extern char    *gsDoor_SerialPort;
+
+// === PROTOTYPES ===
+void   *Periodic_Thread(void *Unused);
 
 // === GLOBALS ===
  int   giDebugLevel = 0;
 char   *gsCokebankPath = "cokebank.db";
+// - Functions called every 20s (or so)
+#define ciMaxPeriodics 10
+struct sPeriodicCall {
+       void    (*Function)(void);
+}      gaPeriodicCalls[ciMaxPeriodics];
+pthread_t      gTimerThread;
 
 // === CODE ===
 void sigint_handler()
@@ -39,6 +51,23 @@ void sigint_handler()
        exit(0);
 }
 
+void PrintUsage(const char *progname)
+{
+       fprintf(stderr, "Usage: %s\n", progname);
+       fprintf(stderr, "  -p    Set server port (default 11020)\n");
+       fprintf(stderr, "  -d    Set debug level (0 - 2, default 0)\n");
+       fprintf(stderr, "  --itemsfile\n");
+       fprintf(stderr, "        Set debug level (0 - 2, default 0)\n");
+       fprintf(stderr, "  --cokeport\n");
+       fprintf(stderr, "        Coke machine serial port (Default \"/dev/ttyS0\")\n");
+       fprintf(stderr, "  --doorport\n");
+       fprintf(stderr, "        Door modem/relay serial port (Default \"/dev/ttyS3\")\n");
+       fprintf(stderr, "  --cokebank\n");
+       fprintf(stderr, "        Coke bank database file (Default \"cokebank.db\")\n");
+       fprintf(stderr, "  --[dont-]daemonise\n");
+       fprintf(stderr, "        Run (or explicitly don't) the server disconnected from the terminal\n");
+}
+
 int main(int argc, char *argv[])
 {
         int    i;
@@ -52,40 +81,69 @@ int main(int argc, char *argv[])
                        switch(arg[1])
                        {
                        case 'p':
+                               if( i + 1 >= argc )     return -1;
                                giServer_Port = atoi(argv[++i]);
                                break;
                        case 'd':
+                               if( i + 1 >= argc )     return -1;
                                giDebugLevel = atoi(argv[++i]);
                                break;
+                       case 'D':
+                               gbServer_RunInBackground = 1;
+                               return -1;
                        default:
                                // Usage Error?
-                               break;
+                               PrintUsage(argv[0]);
+                               return -1;
                        }
                }
                else if( arg[0] == '-' && arg[1] == '-' ) {
                        if( strcmp(arg, "--itemsfile") == 0 ) {
+                               if( i + 1 >= argc )     return -1;
                                gsItemListFile = argv[++i];
                        }
                        else if( strcmp(arg, "--cokeport") == 0 ) {
+                               if( i + 1 >= argc )     return -1;
                                gsCoke_SerialPort = argv[++i];
                        }
                        else if( strcmp(arg, "--snackport") == 0 ) {
+                               if( i + 1 >= argc )     return -1;
                                gsSnack_SerialPort = argv[++i];
                        }
+                       else if( strcmp(arg, "--doorport") == 0 ) {
+                               if( i + 1 >= argc )     return -1;
+                               gsDoor_SerialPort = argv[++i];
+                       }
+                       else if( strcmp(arg, "--cokebank") == 0 ) {
+                               if( i + 1 >= argc )     return -1;
+                               gsCokebankPath = argv[++i];
+                       }
+                       else if( strcmp(arg, "--daemonise") == 0 ) {
+                               gbServer_RunInBackground = 1;
+                       }
+                       else if( strcmp(arg, "--dont-daemonise") == 0 ) {
+                               gbServer_RunInBackground = 0;
+                       }
                        else {
                                // Usage error?
+                               PrintUsage(argv[0]);
+                               return -1;
                        }
                }
                else {
                        // Usage Error?
+                       PrintUsage(argv[0]);
+                       return -1;
                }
        }
        
        signal(SIGINT, sigint_handler);
+       signal(SIGTERM, sigint_handler);
        
        openlog("odispense2", 0, LOG_LOCAL4);
        
-       Init_Cokebank(gsCokebankPath);
+       if( Bank_Initialise(gsCokebankPath) )
+               return -1;
 
        Init_Handlers();
 
@@ -93,15 +151,55 @@ int main(int argc, char *argv[])
        
        Server_Start();
        
+       pthread_kill(gTimerThread, SIGKILL);
 
        return 0;
 }
 
+void *Periodic_Thread(void *Unused)
+{
+        int    i;
+       Unused = NULL;  // quiet, gcc
+       
+       for( ;; )
+       {
+               sleep(10);      // Sleep for a while
+//             printf("Periodic firing\n");
+               for( i = 0; i < ciMaxPeriodics; i ++ )
+               {
+                       if( gaPeriodicCalls[i].Function )
+                               gaPeriodicCalls[i].Function();
+               }
+       }
+       return NULL;
+}
+
+void StartPeriodicThread(void)
+{
+       pthread_create( &gTimerThread, NULL, Periodic_Thread, NULL );
+}
+
+void AddPeriodicFunction(void (*Fcn)(void))
+{
+       int i;
+       for( i = 0; i < ciMaxPeriodics; i ++ )
+       {
+               if( gaPeriodicCalls[i].Function )       continue;
+               gaPeriodicCalls[i].Function = Fcn;
+               return ;
+       }
+       
+       fprintf(stderr, "Error: No space for %p in periodic list\n", Fcn);
+}
+
 int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage)
 {
         int    ret;
        
        ret = regexec(regex, string, nMatches, matches, 0);
+       if( ret == REG_NOMATCH ) {
+               return -1;
+       }
        if( ret ) {
                size_t  len = regerror(ret, regex, NULL, 0);
                char    errorStr[len];
@@ -144,6 +242,8 @@ int InitSerial(const char *File, int BaudRate)
        
        info.c_lflag = 0;       // Non-Canoical, No Echo
        info.c_cflag = baud | CS8 | CLOCAL | CREAD;     // baud, 8N1
+       info.c_iflag = IGNCR;   // Ignore \r
+       info.c_oflag = 0;       // ???
        cfsetspeed(&info, baud);
        info.c_cc[VTIME] = 0;   // No time limit
        info.c_cc[VMIN] = 1;    // Block until 1 char