Initial move to common config code directory
[tpg/opendispense2.git] / src / server / main.c
index eedafc3..c8be473 100644 (file)
@@ -9,6 +9,7 @@
  */
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdbool.h>
 #include <string.h>
 #include <signal.h>
 #include "common.h"
 #include <syslog.h>
 #include <pthread.h>
 #include "../cokebank.h"
+#include "../common/config.h"
 
 // === IMPORTS ===
 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_Password;
+extern const char      *gsItemListFile;
+extern const char      *gsCoke_ModbusAddress;
+extern const char      *gsDoor_SerialPort;
+extern bool    gbSyslogEnabled;
 
 // === PROTOTYPES ===
 void   *Periodic_Thread(void *Unused);
 
 // === GLOBALS ===
  int   giDebugLevel = 0;
-char   *gsCokebankPath = "cokebank.db";
+ int   gbNoCostMode = 0;
+const 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()
@@ -52,23 +57,18 @@ void sigint_handler()
 void PrintUsage(const char *progname)
 {
        fprintf(stderr, "Usage: %s\n", progname);
-       fprintf(stderr, "  -p    Set server port (default 11020)\n");
+       fprintf(stderr, "  -f,--configfile\n");
+       fprintf(stderr, "        Set the config file path (default `dispsrv.conf')\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, "  --doorpass\n");
-       fprintf(stderr, "        Door LAT password file (Default empty password)\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 run) the server disconnected from the terminal\n");
 }
 
 int main(int argc, char *argv[])
 {
         int    i;
-       pthread_t       timer_thread;
-       
+       const char      *config_file = "dispsrv.conf";
+
        // Parse Arguments
        for( i = 1; i < argc; i++ )
        {
@@ -77,65 +77,64 @@ int main(int argc, char *argv[])
                {
                        switch(arg[1])
                        {
-                       case 'p':
+                       case 'f':
                                if( i + 1 >= argc )     return -1;
-                               giServer_Port = atoi(argv[++i]);
+                               config_file = argv[++i];
                                break;
                        case 'd':
                                if( i + 1 >= argc )     return -1;
-                               giDebugLevel = atoi(argv[++i]);
+                               Config_AddValue("debug_level", argv[++i]);
+                               giDebugLevel = atoi(argv[i]);
                                break;
                        default:
-                               // Usage Error?
+                               // Usage Error
+                               fprintf(stderr, "Unknown option '-%c'\n", arg[1]);
                                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 ) {
+               else if( arg[0] == '-' && arg[1] == '-' )
+               {
+                       if( strcmp(arg, "--configfile") == 0 ) {
                                if( i + 1 >= argc )     return -1;
-                               gsSnack_SerialPort = argv[++i];
+                               config_file = argv[++i];
                        }
-                       else if( strcmp(arg, "--doorpass") == 0 ) {
-                               FILE    *fp;
-                               char    buf[30];
-                               if( i + 1 >= argc )     return -1;
-                               fp = fopen(argv[++i], "r");
-                               if( !fp ) {
-                                       fprintf(stderr, "ERROR: Unable to read password file\n");
-                                       perror("reading LAT password");
-                                       return -1;
-                               }
-                               fgets(buf, sizeof buf, fp);
-                               fclose(fp);
-                               gsDoor_Password = strdup(buf);;
+                       else if( strcmp(arg, "--daemonise") == 0 ) {
+                               Config_AddValue("daemonise", "true");
                        }
-                       else if( strcmp(arg, "--cokebank") == 0 ) {
-                               if( i + 1 >= argc )     return -1;
-                               gsCokebankPath = argv[++i];
+                       else if( strcmp(arg, "--dont-daemonise") == 0 ) {
+                               Config_AddValue("daemonise", "false");
                        }
                        else {
-                               // Usage error?
+                               // Usage error
+                               fprintf(stderr, "Unknown option '%s'\n", arg);
                                PrintUsage(argv[0]);
                                return -1;
                        }
                }
-               else {
-                       // Usage Error?
+               else
+               {
+                       // Usage Error
                        PrintUsage(argv[0]);
                        return -1;
                }
        }
-       
+
+       Config_ParseFile( config_file );
+
+       // Parse config values
+       gbServer_RunInBackground = Config_GetValue_Bool("daemonise", 0);
+       gsCokebankPath       = Config_GetValue("cokebank_database", 0);
+       gsDoor_SerialPort    = Config_GetValue("door_serial_port", 0);
+       gsCoke_ModbusAddress = Config_GetValue("coke_modbus_address", 0);
+       giServer_Port        = Config_GetValue_Int("server_port", 0);
+       gsItemListFile       = Config_GetValue("items_file", 0);
+
+       gbNoCostMode         = (Config_GetValue_Bool("test_mode", 0) == 1);
+       gbSyslogEnabled      = (Config_GetValue_Bool("disable_syslog", 0) == 0);
+
        signal(SIGINT, sigint_handler);
+       signal(SIGTERM, sigint_handler);
        
        openlog("odispense2", 0, LOG_LOCAL4);
        
@@ -146,19 +145,17 @@ int main(int argc, char *argv[])
 
        Load_Itemlist();
        
-       pthread_create( &timer_thread, NULL, Periodic_Thread, NULL );
-       
        Server_Start();
        
-       pthread_kill(timer_thread, SIGKILL);
+       if(gTimerThread)
+               pthread_kill(gTimerThread, SIGKILL);
 
        return 0;
 }
 
-void *Periodic_Thread(void *Unused)
+void *Periodic_Thread(void *Unused __attribute__((unused)))
 {
         int    i;
-       Unused = NULL;  // quiet, gcc
        
        for( ;; )
        {
@@ -173,6 +170,11 @@ void *Periodic_Thread(void *Unused)
        return NULL;
 }
 
+void StartPeriodicThread(void)
+{
+       pthread_create( &gTimerThread, NULL, Periodic_Thread, NULL );
+}
+
 void AddPeriodicFunction(void (*Fcn)(void))
 {
        int i;
@@ -213,7 +215,7 @@ void CompileRegex(regex_t *regex, const char *pattern, int flags)
                size_t  len = regerror(ret, regex, NULL, 0);
                char    errorStr[len];
                regerror(ret, regex, errorStr, len);
-               fprintf(stderr, "Regex compilation failed - %s\n", errorStr);
+               fprintf(stderr, "Regex compilation failed - %s\n%s\n", errorStr, pattern);
                exit(-1);
        }
 }
@@ -230,12 +232,18 @@ int InitSerial(const char *File, int BaudRate)
        
        switch(BaudRate)
        {
+       case 1200:      baud = B1200;   break;
        case 9600:      baud = B9600;   break;
-       default:        close(fd);      return -1;
+       case 115200:    baud = B115200; break;
+       default:
+               fprintf(stderr, "ERROR: Invalid baud rate to InitSerial (%i)\n", BaudRate);
+               exit(1);
        }
        
        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

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