3 * UCC (University [of WA] Computer Club) Electronic Accounting System
5 * main.c - Initialisation Code
7 * This file is licenced under the 3-clause BSD Licence. See the file
8 * COPYING for full details.
22 #include "../cokebank.h"
25 extern void Init_Handlers(void);
26 extern void Load_Itemlist(void);
27 extern void Server_Start(void);
28 extern int gbServer_RunInBackground;
29 extern int giServer_Port;
30 extern const char *gsItemListFile;
31 extern const char *gsCoke_ModbusAddress;
32 extern const char *gsDoor_SerialPort;
35 void *Periodic_Thread(void *Unused);
39 const char *gsCokebankPath = "cokebank.db";
40 // - Functions called every 20s (or so)
41 #define ciMaxPeriodics 10
42 struct sPeriodicCall {
43 void (*Function)(void);
44 } gaPeriodicCalls[ciMaxPeriodics];
45 pthread_t gTimerThread;
53 void PrintUsage(const char *progname)
55 fprintf(stderr, "Usage: %s\n", progname);
56 fprintf(stderr, " -d Set debug level (0 - 2, default 0)\n");
57 fprintf(stderr, " --[dont-]daemonise\n");
58 fprintf(stderr, " Run (or explicitly don't run) the server disconnected from the terminal\n");
61 int main(int argc, char *argv[])
64 const char *config_file = "dispsrv.conf";
67 for( i = 1; i < argc; i++ )
70 if( arg[0] == '-' && arg[1] != '-')
75 if( i + 1 >= argc ) return -1;
76 config_file = argv[++i];
79 if( i + 1 >= argc ) return -1;
80 Config_AddValue("debug_level", argv[++i]);
81 giDebugLevel = atoi(argv[i]);
89 else if( arg[0] == '-' && arg[1] == '-' )
91 if( strcmp(arg, "--configfile") == 0 ) {
92 if( i + 1 >= argc ) return -1;
93 config_file = argv[++i];
95 else if( strcmp(arg, "--daemonise") == 0 ) {
96 Config_AddValue("daemonise", "true");
98 else if( strcmp(arg, "--dont-daemonise") == 0 ) {
99 Config_AddValue("daemonise", "false");
115 Config_ParseFile( config_file );
117 // Parse config values
118 gbServer_RunInBackground = Config_GetValue_Bool("daemonise", 0);
119 gsCokebankPath = Config_GetValue("cokebank_database", 0);
120 gsDoor_SerialPort = Config_GetValue("door_serial_port", 0);
121 gsCoke_ModbusAddress = Config_GetValue("coke_modbus_address", 0);
122 giServer_Port = Config_GetValue_Int("server_port", 0);
123 gsItemListFile = Config_GetValue("items_file", 0);
125 signal(SIGINT, sigint_handler);
126 signal(SIGTERM, sigint_handler);
128 openlog("odispense2", 0, LOG_LOCAL4);
130 if( Bank_Initialise(gsCokebankPath) )
140 pthread_kill(gTimerThread, SIGKILL);
145 void *Periodic_Thread(void *Unused __attribute__((unused)))
151 sleep(10); // Sleep for a while
152 // printf("Periodic firing\n");
153 for( i = 0; i < ciMaxPeriodics; i ++ )
155 if( gaPeriodicCalls[i].Function )
156 gaPeriodicCalls[i].Function();
162 void StartPeriodicThread(void)
164 pthread_create( &gTimerThread, NULL, Periodic_Thread, NULL );
167 void AddPeriodicFunction(void (*Fcn)(void))
170 for( i = 0; i < ciMaxPeriodics; i ++ )
172 if( gaPeriodicCalls[i].Function ) continue;
173 gaPeriodicCalls[i].Function = Fcn;
177 fprintf(stderr, "Error: No space for %p in periodic list\n", Fcn);
180 int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage)
184 ret = regexec(regex, string, nMatches, matches, 0);
185 if( ret == REG_NOMATCH ) {
189 size_t len = regerror(ret, regex, NULL, 0);
191 regerror(ret, regex, errorStr, len);
192 printf("string = '%s'\n", string);
193 fprintf(stderr, "%s\n%s", errorMessage, errorStr);
200 void CompileRegex(regex_t *regex, const char *pattern, int flags)
202 int ret = regcomp(regex, pattern, flags);
204 size_t len = regerror(ret, regex, NULL, 0);
206 regerror(ret, regex, errorStr, len);
207 fprintf(stderr, "Regex compilation failed - %s\n%s\n", errorStr, pattern);
213 int InitSerial(const char *File, int BaudRate)
219 fd = open(File, O_RDWR | O_NOCTTY | O_NONBLOCK);
220 if( fd == -1 ) return -1;
224 case 1200: baud = B1200; break;
225 case 9600: baud = B9600; break;
226 default: close(fd); return -1;
229 info.c_lflag = 0; // Non-Canoical, No Echo
230 info.c_cflag = baud | CS8 | CLOCAL | CREAD; // baud, 8N1
231 info.c_iflag = IGNCR; // Ignore \r
232 info.c_oflag = 0; // ???
233 cfsetspeed(&info, baud);
234 info.c_cc[VTIME] = 0; // No time limit
235 info.c_cc[VMIN] = 1; // Block until 1 char
237 tcflush(fd, TCIFLUSH);
238 tcsetattr(fd, TCSANOW, &info);
245 * \brief Create a formatted heap string
247 char *mkstr(const char *Format, ...)
253 va_start(args, Format);
254 len = vsnprintf(NULL, 0, Format, args);
257 ret = malloc( len + 1 );
258 if(!ret) return NULL;
260 va_start(args, Format);
261 vsprintf(ret, Format, args);