Ejemplo n.º 1
0
static void slv_done( slv_db_typ *pdb, dl_head_typ *pusr, 
		      comm_clt_typ *psvc_clt, int name_id, 
		      char *pservname, void *name_struct )
{
	int xport = psvc_clt->xport;

	if( pusr != NULL )
		dl_free( pusr );

	switch (xport)
	{
	case COMM_QNX6_XPORT:
		if ( NULL != name_struct ) {
		        name_detach( (name_attach_t *) name_struct, 0 );
		}
		break;
	case COMM_QNX_XPORT:
		if( name_id != ERROR )
			qnx_name_detach( 0, name_id );
		break;
	case COMM_PSX_XPORT:
		// terminate and clean-up after database queue
		comm_cleanup(psvc_clt, pservname, 0); 
		break;
	default:
		fprintf(stderr, " Transport %d not implemented\n", xport);
		break;	
	}
	if( psvc_clt != NULL )
		comm_done( psvc_clt );

	if( pdb != NULL )
		slv_db_destroy( pdb );

}
Ejemplo n.º 2
0
/**
 * This function represents server thread. Thanks to this function we can
 * receive data send by client.
 *
 * @param nth - not used but demanded by pthread_create() convencion
 * @return no value returned
 */
void* receive (void* nth) {
	my_data_t msg;
	int rcvid;
	/* Trying to register and create channel */
	if ((attach = name_attach(NULL, my_channel, 0)) == NULL) {
		std::cerr<< "Can't create Channel\n";
		exit(-1);
	}
	
	/* main loop - receiving messages */
	while(true) {
		rcvid = MsgReceive(attach->chid, &msg, sizeof(msg), NULL);
		
		/* checking if message was received correctly */
		if (rcvid == -1) {
			std::cerr<<"Error in receiving message. \n";
			break;
		}
		
		/* checking if message is a pulse */
		if (rcvid == 0) {
			switch (msg.header.code) {
				case _PULSE_CODE_DISCONNECT:
					/* Canceling client thread */
					pthread_cancel(client);
					/* Waiting for thread to finish executing */
					pthread_join(client, NULL);
					/* Closing connection and destroying channel */
					name_close(coid);
					name_detach(attach, 0);
					/* Finish server thread */
					pthread_exit (0);
			}
		}
		
		/* check if message is connection request */
		if (msg.header.type == _IO_CONNECT) {
			MsgReply(rcvid, EOK, NULL, 0);
			continue;
		}
		
		/* chcek id message is unimplemented system communicate */
		if (msg.header.type > _IO_BASE && msg.header.type <= _IO_MAX) {
			MsgError (rcvid, ENOSYS);
			continue;
		}
		printf("\n");
		printf("[%s]: %s\n", stranger_channel, msg.data);
		printf("[%s]: ", my_channel);
		fflush(stdout);
		//std::cout<<"Server received: " << msg.data<< "\n ";
		MsgReply(rcvid, EOK, NULL, 0);
	}
}
Ejemplo n.º 3
0
	void handle_signal(int sig) {
		/* Canceling server and client threads */
		pthread_cancel(client);
		pthread_cancel(server);
		
		/* Waiting for threads to finish executing */
		pthread_join(client, NULL);
		pthread_join(server, NULL);
		
		/* Closing connection and destroying channel */
		name_close(coid);
		name_detach(attach, 0);
	}
Ejemplo n.º 4
0
int server() {
   name_attach_t *attach;
   mss_t msg;
   mss_t rmsg;

   //my_data_t msg;
   int rcvid;

   /* Create a local name (/dev/name/local/...) */
   if ((attach = name_attach(NULL, ATTACH_POINT, 0)) == NULL) {

       return EXIT_FAILURE;
   }

   /* Do your MsgReceive's here now with the chid */
   while (1) {
       rcvid = MsgReceive(attach->chid, &msg, sizeof(msg), NULL);

       if (rcvid == -1) {/* Error condition, exit */
           break;
       }

      // if (rcvid == 0) {/* Pulse received */
       //    switch (msg.hdr.code) {
       //    case _PULSE_CODE_DISCONNECT:
               /*
                * A client disconnected all its connections (called
                * name_close() for each name_open() of our name) or
                * terminated
                */

       //        ConnectDetach(msg.hdr.scoid);
      //         break;
      //     case _PULSE_CODE_UNBLOCK:
               /*
                * REPLY blocked client wants to unblock (was hit by
                * a signal or timed out).  It's up to you if you
                * reply now or later.
       //         */
      //         break;
       //    default:
               /*
                * A pulse sent by one of your processes or a
                * _PULSE_CODE_COIDDEATH or _PULSE_CODE_THREADDEATH
                * from the kernel?
                */
         //      break;
        //   }
       //    continue;
     //  }

       /* name_open() sends a connect message, must EOK this */
 //      if (msg.hdr.type == _IO_CONNECT ) {
    //       MsgReply( rcvid, EOK, NULL, 0 );
    //       continue;
    //   }

       /* Some other QNX IO message was received; reject it */
      // if (msg.hdr.type > _IO_BASE && msg.hdr.type <= _IO_MAX ) {
     //      MsgError( rcvid, ENOSYS );
     //      continue;
     //  }

       /* A message (presumable ours) received, handle */
       printf("Server receive text :%s \n", msg.text);

       //czyszcze rmsg.text przed ponownym urzyciem
       memset(&rmsg.text[0], 0, sizeof(rmsg.text));

       rmsg.from = getpid();
       rmsg.typ = 1;
       rmsg.ile = 0;//tu modyf


       int i = 0;
      // for(i = 0; i < strlen(msg.text); i++)
      //       	rmsg.text[i] = msg.text[i];



       char letter ;
       for(i = 0; i < strlen(msg.text); i++){
       		//if(islower(msg.text[i]) ){
             letter = toupper(msg.text[i]);
           //  rmsg.text[i] = letter;//844
    	   rmsg.text[i]  = letter;
    			   //msg.text[i];
       		//}
       		//}
	}

       printf("server will send text : %s\n", rmsg.text);


       //rmsg.text[1] = 's';
       MsgReply(rcvid, EOK, &rmsg, sizeof(rmsg));

   }

   /* Remove the name from the space */
   name_detach(attach, 0);

   return EXIT_SUCCESS;
}
Ejemplo n.º 5
0
int main(int argc, char **argv) {
//*****************************************************************************
	FILE *pfcfg;
	syncsig_t *psync;
	sem_t wrk_sem;
	sem_t *pwrk_sem = &wrk_sem;
	struct timespec wait_wrk_sem;
	size_t i, wrk_amount = CLIENT_MAX, client_max = CLIENT_MAX;
	pthread_t *pworker;
	name_attach_t* pnat;
	frame_t frame;
	iov_t *piov, *pheader;
	cash_t *pcash;
	pheader = malloc(sizeof(iov_t));
	SETIOV(pheader, &frame, sizeof(frame_t));
	char buf[BUFFER_SIZE], cmd[BUFFER_SIZE], param[BUFFER_SIZE];
	int rcvid, slave_chid;
	char srv_name[BUFFER_SIZE] = SRV_NAME;

	// Slave support
	slave_t slave;
	slave.amount = 0;
	uint32_t *proute;
//*****************************************************************************
	// Configs
	//log_start(FILE_NAME_LOG, FILE_NAME_ERR);
	printf("%s\n", MSG_VER_START);
	wait_wrk_sem.tv_nsec = WRK_SEM_TIMEOUT;
	wait_wrk_sem.tv_sec = 0;
	if(argc == 2) {
		pfcfg = fopen(argv[1], "r");
	} else {
		pfcfg = fopen(FILE_NAME_CFG, "r");
	}
	if(NULL != pfcfg) {
		while(0 == feof(pfcfg)) {
			fscanf(pfcfg, "%s %s", cmd, param);
			if(0 == strcmp(cmd, CFG_PAR_WRKAM)) {
				wrk_amount = atoi(param);
			}
			else if(0 == strcmp(cmd, CFG_PAR_WRKSEMTIME)) {
				wait_wrk_sem.tv_nsec = atol(param);
			}
			else if(0 == strcmp(cmd, CFG_PAR_MASTER)) {
				slave.amount = atoi(param);
			}
			else if(0 == strcmp(cmd, CFG_PAR_SLAVE)) {
				strcpy(srv_name, SLAVE_NAME);
				strcat(srv_name, param);
			}
			else if(0 == strcmp(cmd, CFG_PAR_CLIENTMAX)) {
				client_max = atoi(param);
			}
		}
		fclose(pfcfg);
	} else {
		perror(MSG_ERR_CFGFILE);
	}
	printf("%s\n", MSG_VER_CFG);

	signal(SIGINT, fsigint);
	// Net
	pnat = name_attach(NULL, srv_name, NAME_FLAG_ATTACH_GLOBAL);
	__ERROR_EXIT(pnat, NULL, "name_attach");
	chid = pnat->chid;
	// Cash
	pcash = malloc(sizeof(cash_t)*client_max);
	//memset(pcash, NULL, sizeof(cash_t)*client_max);
	/*for(size_t i=0; i<client_max; ++i) {
		pcash[i].status = EMPTY;
	}*/
	proute = malloc(sizeof(uint32_t)*client_max);
	// Slaves
	if(slave.amount > 0) {
		slave.pslave = malloc(sizeof(slave_info_t)*slave.amount);
		for(int i = 0; i< slave.amount; ++i) {
			slave.pslave[i].name = malloc(sizeof(char)*BUFFER_SIZE);
			strcpy(slave.pslave[i].name, SLAVE_NAME);
			itoa(i, buf, 10);
			strcat(slave.pslave[i].name, buf);
			slave.pslave[i].status = DOWN;
			slave.pslave[i].clientmax = CLIENT_MAX;
			slave.pslave[i].clientnow = 0;
			sem_init(&slave.pslave[i].sem, 0, 1);
		}
		connectslaves(&slave);
		slave_chid = ChannelCreate(0);
		__ERROR_EXIT(slave_chid, -1, "ChannelCreate");
	}



	// Workers
	__ERROR_EXIT(sem_init(pwrk_sem, 0, 0), -1, "pwrk_sem: sem_init");
	psync = malloc(sizeof(syncsig_t)*wrk_amount);
	pworker = malloc(sizeof(pthread_t)*wrk_amount);

	wrk_info_t wrk_info;
	wrk_info.psem = pwrk_sem;
	wrk_info.chid = pnat->chid;
	wrk_info.pcash = pcash;
	wrk_info.pslave = &slave;
	wrk_info.client_amount = client_max;
	wrk_info.wrk_amount = wrk_amount;
	wrk_info.proute = proute;
	wrk_info.psync = psync;
	if(slave.amount > 0) {
		for(size_t i = 0; i<wrk_amount; ++i) {
			wrk_info.id = i;
			pthread_create(&pworker[i], NULL, router, &wrk_info);
		}
	} else {
		for(size_t i = 0; i<wrk_amount; ++i) {
			wrk_info.id = i;
			pthread_create(&pworker[i], NULL, worker, &wrk_info);
		}
	}
/*
 * __ERROR_CHECK(TimerTimeout(CLOCK_REALTIME , _NTO_TIMEOUT_RECEIVE ,
					NULL, &wait_wrk_sem.tv_nsec, NULL), -1, "TimerTimeout");
 */
	printf("%s\n", MSG_VER_WORK);
//*****************************************************************************
	while(working) {
		log_update();
		sleep(1);
	}
//*****************************************************************************
	for(size_t i = 0; i<wrk_amount; ++i) {
		pthread_kill(pworker[i], SIGKILL);
	}
	for(size_t i = 0; i<wrk_amount; ++i) {
		pthread_join(pworker[i], NULL);
	}
	if(slave.amount > 0) {
		for(size_t i = 0; i<slave.amount; ++i) {
			free(slave.pslave[i].name);
		}
		free(slave.pslave);
	}
	name_detach(pnat, NULL);
	free(pworker);
	free(psync);
	free(proute);
	log_update();
	//log_stop();
	return EXIT_SUCCESS;
}