#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <signal.h>
#include "common.h"
+#include <termios.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <pthread.h>
+#include "../cokebank.h"
// === IMPORTS ===
-extern void Init_Cokebank(void); // 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 *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()
+{
+ 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;
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];
}
- if( strcmp(arg, "--cokeport") == 0 ) {
+ 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;
}
}
- Init_Cokebank();
+ signal(SIGINT, sigint_handler);
+ signal(SIGTERM, sigint_handler);
+ openlog("odispense2", 0, LOG_LOCAL4);
+
+ if( Bank_Initialise(gsCokebankPath) )
+ return -1;
+
+ Init_Handlers();
+
Load_Itemlist();
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];
+ regerror(ret, regex, errorStr, len);
+ printf("string = '%s'\n", string);
+ fprintf(stderr, "%s\n%s", errorMessage, errorStr);
+ exit(-1);
+ }
+
+ return ret;
+}
+
+void CompileRegex(regex_t *regex, const char *pattern, int flags)
+{
+ int ret = regcomp(regex, pattern, flags);
+ if( ret ) {
+ size_t len = regerror(ret, regex, NULL, 0);
+ char errorStr[len];
+ regerror(ret, regex, errorStr, len);
+ fprintf(stderr, "Regex compilation failed - %s\n", errorStr);
+ exit(-1);
+ }
+}
+
+// Serial helper
+int InitSerial(const char *File, int BaudRate)
+{
+ struct termios info;
+ int baud;
+ int fd;
+
+ fd = open(File, O_RDWR | O_NOCTTY | O_NONBLOCK);
+ if( fd == -1 ) return -1;
+
+ switch(BaudRate)
+ {
+ case 9600: baud = B9600; break;
+ default: close(fd); return -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
+
+ tcflush(fd, TCIFLUSH);
+ tcsetattr(fd, TCSANOW, &info);
+
+ return fd;
+}
+
+
+/**
+ * \brief Create a formatted heap string
+ */
+char *mkstr(const char *Format, ...)
+{
+ va_list args;
+ int len;
+ char *ret;
+
+ va_start(args, Format);
+ len = vsnprintf(NULL, 0, Format, args);
+ va_end(args);
+
+ ret = malloc( len + 1 );
+ if(!ret) return NULL;
+
+ va_start(args, Format);
+ vsprintf(ret, Format, args);
+ va_end(args);
+
+ return ret;
+}
+