X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fserver%2Fmain.c;h=c2ef55c01fd1c22bed665f3a4938910ccfde7deb;hb=da639e3f13ee62627f4e7b29eccfcac70aad681d;hp=76e720b09ecfe224a75ec6b1870375185317cf39;hpb=05918a67e8509a2b2df6509039a801affd3444eb;p=tpg%2Fopendispense2.git diff --git a/src/server/main.c b/src/server/main.c index 76e720b..c2ef55c 100644 --- a/src/server/main.c +++ b/src/server/main.c @@ -12,18 +12,37 @@ #include #include #include "common.h" +#include +#include +#include +#include +#include +#include +#include +#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 const char *gsItemListFile; +extern const char *gsCoke_ModbusAddress; +extern const char *gsDoor_SerialPort; + +// === PROTOTYPES === +void *Periodic_Thread(void *Unused); // === GLOBALS === int giDebugLevel = 0; -char *gsCokebankPath = "cokebank.db"; +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() @@ -31,10 +50,19 @@ void sigint_handler() exit(0); } +void PrintUsage(const char *progname) +{ + fprintf(stderr, "Usage: %s\n", progname); + fprintf(stderr, " -d Set debug level (0 - 2, default 0)\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; - + const char *config_file = "dispsrv.conf"; + // Parse Arguments for( i = 1; i < argc; i++ ) { @@ -43,41 +71,196 @@ int main(int argc, char *argv[]) { switch(arg[1]) { - case 'p': - giServer_Port = atoi(argv[++i]); + case 'f': + if( i + 1 >= argc ) return -1; + config_file = argv[++i]; break; case 'd': - giDebugLevel = atoi(argv[++i]); + if( i + 1 >= argc ) return -1; + Config_AddValue("debug_level", argv[++i]); + giDebugLevel = atoi(argv[i]); break; default: - // Usage Error? - break; + // Usage Error + PrintUsage(argv[0]); + return -1; } } - else if( arg[0] == '-' && arg[1] == '-' ) { - if( strcmp(arg, "--itemsfile") == 0 ) { - gsItemListFile = argv[++i]; + else if( arg[0] == '-' && arg[1] == '-' ) + { + if( strcmp(arg, "--configfile") == 0 ) { + if( i + 1 >= argc ) return -1; + config_file = argv[++i]; + } + else if( strcmp(arg, "--daemonise") == 0 ) { + Config_AddValue("daemonise", "true"); } - if( strcmp(arg, "--cokeport") == 0 ) { - gsCoke_SerialPort = argv[++i]; + else if( strcmp(arg, "--dont-daemonise") == 0 ) { + Config_AddValue("daemonise", "false"); } else { - // Usage error? + // Usage error + 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); + + signal(SIGINT, sigint_handler); + signal(SIGTERM, sigint_handler); - Init_Cokebank(gsCokebankPath); + openlog("odispense2", 0, LOG_LOCAL4); + if( Bank_Initialise(gsCokebankPath) ) + return -1; + + Init_Handlers(); + Load_Itemlist(); Server_Start(); - signal(SIGINT, sigint_handler); + if(gTimerThread) + pthread_kill(gTimerThread, SIGKILL); return 0; } +void *Periodic_Thread(void *Unused __attribute__((unused))) +{ + int i; + + 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%s\n", errorStr, pattern); + 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 1200: baud = B1200; break; + 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; +} +