main(int argc, char **argv) { int ret; pq_session session; ret = pq_init(&session); if(ret) printf("pq_init failed.\n"); char conn_str[] = "host=localhost dbname=pagila"; ret = pq_connect(&session, conn_str, strlen(conn_str)); if(ret) printf("pq_connect failed.\n"); pq_check_connection(&session); ret = pq_execute(&session, "select current_date;"); if(ret) printf("pq_execute failed.\n"); ret = pq_fetch(&session); if(ret) printf("pq_finish failed.\n"); pq_finish(&session); pq_end(&session); }
int main(int argc, char** argv){ CONFIG cfg; cfg_init(&cfg); //read commandline args if(!arg_parse(&cfg, argc-1, argv+1)){ return -1; } //read config file if(!cfg.cfg_file){ fprintf(stderr, "No config file supplied\n"); return -1; } if(!cfg_read(&cfg, cfg.cfg_file)){ cfg_free(&cfg); return -1; } //if not using pgpass, ask for database password if(!cfg.db.use_pgpass){ cfg.db.pass=calloc(sizeof(char),MAX_PASSWORD_LENGTH+1); if(!cfg.db.pass){ fprintf(stderr, "Failed to allocate memory\n"); cfg_free(&cfg); return -1; } fprintf(stderr, "DB Password: "******"\fWaiting..."); ask_password(cfg.db.pass, MAX_PASSWORD_LENGTH); } //check for sane config if(!cfg_sane(&cfg)){ cfg_free(&cfg); return -1; } //connect to database if persistent if(cfg.db.persist_connection){ if(!pq_connect(&(cfg.db))){ cfg_free(&cfg); return -1; } if(cfg.verbosity>2){ fprintf(stderr, "Database connection established\n"); } } //connect to remote devices if(!comms_open(&cfg)){ comms_close(&cfg); pq_close(&(cfg.db)); cfg_free(&cfg); return -1; } //set up signal handlers signal(SIGINT, sig_interrupt); signal(SIGTERM, sig_terminate); //run the state machine garfield_pos(&cfg); comms_close(&cfg); pq_close(&(cfg.db)); cfg_free(&cfg); return 0; }
/*----------------------------------------*/ int main(int argc, char **argv) { int rc; int ssmcr_tries=0; infolog_SetFacility("CTP"); infolog_SetStream("",0); #ifdef PQWAY printf("main_ctp: opening rec/send queues...\n"); mq_rec= pq_open(); if(mq_rec==(mqd_t)-1) { infolog_trgboth(LOG_FATAL, "posix mq_rec not created"); exit(8); } mq_sendmsg= pq_connect(); if(mq_sendmsg==(mqd_t)-1) { infolog_trgboth(LOG_FATAL, "posix mq_sendmsg not connected"); exit(8); } #endif signal(SIGUSR1, gotsignal); siginterrupt(SIGUSR1, 0); signal(SIGQUIT, gotsignal); siginterrupt(SIGQUIT, 0); signal(SIGKILL, gotsignal); siginterrupt(SIGKILL, 0); // -9 signal(SIGTERM, gotsignal); siginterrupt(SIGTERM, 0); // kill pid signal(SIGINT, gotsignal); siginterrupt(SIGINT, 0); // CTRL C 2 partmode[0]='\0'; printf("cshmInit i.e. initBakery(swtriggers/ccread/ssmcr ONLY once, when shm allocated)...\n"); /*printf("initBakery(swtriggers,4): 0:SOD/EOD 1:gcalib 2:ctp.exe 3:dims\n"); printf("initBakery(ccread,5): 0:proxy 1:dims 2:ctp+busytool 3:smaq 4:inputs\n"); */ cshmInit(); setglobalflags(argc, argv); /* changed in aug2016 (initBakery only once from now, when shm allocated) printf("initBakery(swtriggers,4): 0:SOD/EOD 1:gcalib 2:ctp.exe 3:dims\n"); initBakery(&ctpshmbase->swtriggers, "swtriggers", swtriggers_N); printf("initBakery(ccread,6): 0:proxy 1:dims 2:ctp+busytool 3:smaq 4:inputs 5:orbitddl2\n"); initBakery(&ctpshmbase->ccread, "ccread", ccread_N); printf("initBakery(ssmcr,4): 0:smaq 1:orbitddl2 2:ctp 3:inputs\n"); initBakery(&ctpshmbase->ssmcr, "ssmcr", ssmcr_N); */ printBakery(&ctpshmbase->swtriggers); printBakery(&ctpshmbase->ccread); printBakery(&ctpshmbase->ssmcr); unlockBakery(&ctpshmbase->swtriggers,swtriggers_ctpproxy); unlockBakery(&ctpshmbase->ccread,ccread_ctpproxy); unlockBakery(&ctpshmbase->ssmcr,ssmcr_ctpproxy); /* Let' synchronise with smcr only, i.e. - ccread_dims,... can go in parallel with ctp_Initproxy, orbitddl2: should use ccread_orbitddl2 customer when reading counters - swtriggers_gcalib/_dims cannot appear (no global runs becasue ctpproxy being restarted) */ while(1) { // do not allow SSM usage (smaq) because ctp_Initproxy is initialising it char msg[100]; rc= lockBakeryTimeout(&ctpshmbase->ssmcr,ssmcr_ctpproxy, 10); if(rc==1) { if(ssmcr_tries>0) { sprintf(msg, "Got ssmcr resource after %d attempts", ssmcr_tries); infolog_trgboth(LOG_INFO, msg); }; break; // ssmcr reserved for me now }; ssmcr_tries++; sprintf(msg,"%d secs Waiting for ssmcr resource. Is smaq stopped?", ssmcr_tries*10); infolog_trgboth(LOG_WARNING, msg); }; if(isArg(argc, argv, "configrunset")) { /* do we need before orbitddl2.py INT/L2 orbit in SYNC (automatic with L2a)? */ int rc, reslen; char cmd[200]; char result[1000]=""; // ~ 10 lines char orbchanged[]="Warning: orbitoffset changed:"; if(envcmp("VMESITE", "PRIVATE")==0) { strcpy(cmd, "who"); } else { strcpy(cmd, "orbitddl2.py configrunset"); }; infolog_trgboth(LOG_INFO, "Starting L0 orbit calibration (30s...)"); rc= popenread(cmd, result, 1000); // opens vme... reslen= strlen(result); if((rc==EXIT_FAILURE) || (reslen<=1)) { infolog_trgboth(LOG_ERROR, "L0 orbit calibration problem"); } else { int ixr= reslen; if(result[ixr-1]=='\n') { //remove last NL character if present result[ixr-1]='\0'; ixr= reslen-2; } else { ixr= reslen-1; // pointer to the last non-NEWLINE character }; while(ixr>=0) { // find last line if(result[ixr]=='\n') { ixr++; break; }; ixr--; }; sprintf(cmd, "L0 orbit calibration: %s", &result[ixr]); if((strcmp(&result[ixr], "Everything ok")==0) || (strncmp(&result[ixr], orbchanged, strlen(orbchanged))==0) ) { infolog_trgboth(LOG_INFO, cmd); } else { infolog_trgboth(LOG_ERROR, cmd); infolog_trgboth(LOG_ERROR, "ctpproxy not started"); unlockBakery(&ctpshmbase->ssmcr,ssmcr_ctpproxy); rc=8; goto STP; }; }; }; // init CTP after calibration (e.g. to repair modifications done by orbitddl2.py) rc=ctp_Initproxy(); unlockBakery(&ctpshmbase->ssmcr,ssmcr_ctpproxy); if(rc!=0) goto STP; // DIM services not registered here (see ctpdims.c), they run in separae task: // ds_register(); strcpy(obj,argv[1]); smi_attach(obj, SMI_handle_command); printf("CTP attached to: %s\n",obj); /* if smi_volatile: stops the ctp_proxy in case TRIGGER domain is down smi_volatile(); */ strcpy(errorReason,"not set"); smi_set_parER(); strcpy(ORBIT_NUMBER,""); smi_set_par("ORBIT_NUMBER",ORBIT_NUMBER,STRING); smi_setState("RUNNING"); while(1) { #ifdef PQWAY executectp("wait"); #else usleep(1000000); #endif if(quit>9) break; }; rc= ctp_Endproxy(); STP: #ifdef PQWAY pq_close(mq_sendmsg, 0); pq_close(mq_rec, 1); #endif printf("Calling cshmDetach()...\n"); cshmDetach(); return (rc); }