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);
40 const char *gsCokebankPath = "cokebank.db";
41 // - Functions called every 20s (or so)
42 #define ciMaxPeriodics 10
43 struct sPeriodicCall {
44 void (*Function)(void);
45 } gaPeriodicCalls[ciMaxPeriodics];
46 pthread_t gTimerThread;
54 void PrintUsage(const char *progname)
56 fprintf(stderr, "Usage: %s\n", progname);
57 fprintf(stderr, " -f,--configfile\n");
58 fprintf(stderr, " Set the config file path (default `dispsrv.conf')\n");
59 fprintf(stderr, " -d Set debug level (0 - 2, default 0)\n");
60 fprintf(stderr, " --[dont-]daemonise\n");
61 fprintf(stderr, " Run (or explicitly don't run) the server disconnected from the terminal\n");
64 int main(int argc, char *argv[])
67 const char *config_file = "dispsrv.conf";
70 for( i = 1; i < argc; i++ )
73 if( arg[0] == '-' && arg[1] != '-')
78 if( i + 1 >= argc ) return -1;
79 config_file = argv[++i];
82 if( i + 1 >= argc ) return -1;
83 Config_AddValue("debug_level", argv[++i]);
84 giDebugLevel = atoi(argv[i]);
88 fprintf(stderr, "Unknown option '-%c'\n", arg[1]);
93 else if( arg[0] == '-' && arg[1] == '-' )
95 if( strcmp(arg, "--configfile") == 0 ) {
96 if( i + 1 >= argc ) return -1;
97 config_file = argv[++i];
99 else if( strcmp(arg, "--daemonise") == 0 ) {
100 Config_AddValue("daemonise", "true");
102 else if( strcmp(arg, "--dont-daemonise") == 0 ) {
103 Config_AddValue("daemonise", "false");
107 fprintf(stderr, "Unknown option '%s'\n", arg);
120 Config_ParseFile( config_file );
122 // Parse config values
123 gbServer_RunInBackground = Config_GetValue_Bool("daemonise", 0);
124 gsCokebankPath = Config_GetValue("cokebank_database", 0);
125 gsDoor_SerialPort = Config_GetValue("door_serial_port", 0);
126 gsCoke_ModbusAddress = Config_GetValue("coke_modbus_address", 0);
127 giServer_Port = Config_GetValue_Int("server_port", 0);
128 gsItemListFile = Config_GetValue("items_file", 0);
130 gbNoCostMode = (Config_GetValue_Bool("test_mode", 0) == 1);
132 signal(SIGINT, sigint_handler);
133 signal(SIGTERM, sigint_handler);
135 openlog("odispense2", 0, LOG_LOCAL4);
137 if( Bank_Initialise(gsCokebankPath) )
147 pthread_kill(gTimerThread, SIGKILL);
152 void *Periodic_Thread(void *Unused __attribute__((unused)))
158 sleep(10); // Sleep for a while
159 // printf("Periodic firing\n");
160 for( i = 0; i < ciMaxPeriodics; i ++ )
162 if( gaPeriodicCalls[i].Function )
163 gaPeriodicCalls[i].Function();
169 void StartPeriodicThread(void)
171 pthread_create( &gTimerThread, NULL, Periodic_Thread, NULL );
174 void AddPeriodicFunction(void (*Fcn)(void))
177 for( i = 0; i < ciMaxPeriodics; i ++ )
179 if( gaPeriodicCalls[i].Function ) continue;
180 gaPeriodicCalls[i].Function = Fcn;
184 fprintf(stderr, "Error: No space for %p in periodic list\n", Fcn);
187 int RunRegex(regex_t *regex, const char *string, int nMatches, regmatch_t *matches, const char *errorMessage)
191 ret = regexec(regex, string, nMatches, matches, 0);
192 if( ret == REG_NOMATCH ) {
196 size_t len = regerror(ret, regex, NULL, 0);
198 regerror(ret, regex, errorStr, len);
199 printf("string = '%s'\n", string);
200 fprintf(stderr, "%s\n%s", errorMessage, errorStr);
207 void CompileRegex(regex_t *regex, const char *pattern, int flags)
209 int ret = regcomp(regex, pattern, flags);
211 size_t len = regerror(ret, regex, NULL, 0);
213 regerror(ret, regex, errorStr, len);
214 fprintf(stderr, "Regex compilation failed - %s\n%s\n", errorStr, pattern);
220 int InitSerial(const char *File, int BaudRate)
226 fd = open(File, O_RDWR | O_NOCTTY | O_NONBLOCK);
227 if( fd == -1 ) return -1;
231 case 1200: baud = B1200; break;
232 case 9600: baud = B9600; break;
233 case 115200: baud = B115200; break;
234 default: close(fd); return -1;
237 info.c_lflag = 0; // Non-Canoical, No Echo
238 info.c_cflag = baud | CS8 | CLOCAL | CREAD; // baud, 8N1
239 info.c_iflag = IGNCR; // Ignore \r
240 info.c_oflag = 0; // ???
241 cfsetspeed(&info, baud);
242 info.c_cc[VTIME] = 0; // No time limit
243 info.c_cc[VMIN] = 1; // Block until 1 char
245 tcflush(fd, TCIFLUSH);
246 tcsetattr(fd, TCSANOW, &info);
253 * \brief Create a formatted heap string
255 char *mkstr(const char *Format, ...)
261 va_start(args, Format);
262 len = vsnprintf(NULL, 0, Format, args);
265 ret = malloc( len + 1 );
266 if(!ret) return NULL;
268 va_start(args, Format);
269 vsprintf(ret, Format, args);