Ejemplo n.º 1
0
Archivo: broker.c Proyecto: tnako/DP
static void s_broker_worker_msg(broker_t *self, zframe_t *sender, zmsg_t *msg)
{
    assert (zmsg_size(msg) >= 1);     //  At least, command

    zframe_t *command = zmsg_pop(msg);
    char *id_string = zframe_strhex(sender);
    int worker_ready = (zhash_lookup(self->workers, id_string) != NULL);
    free (id_string);
	
    worker_t *worker = s_worker_require(self, sender);

    if (zframe_streq(command, MDPW_READY)) {
        if (worker_ready) {               //  Not first command in session
            s_worker_delete(worker, 1);
			// Додумать, по идеи синоним сердцебиения
		} else {
			if (zframe_size(sender) >= 4 &&  memcmp(zframe_data (sender), "mmi.", 4) == 0) {
				s_worker_delete(worker, 1);
				// Додумать, по идеи синоним сердцебиения
			} else {
				//  Attach worker to service and mark as idle
				zframe_t *service_frame = zmsg_pop(msg);
				worker->service = s_service_require(self, service_frame);
				worker->service->workers++;
				s_worker_waiting(worker);
				zframe_destroy(&service_frame);
			}
		}
    } else if (zframe_streq(command, MDPW_REPLY)) {
        if (worker_ready) {
            //  Remove and save client return envelope and insert the
            //  protocol header and service name, then rewrap envelope.
            zframe_t *client = zmsg_unwrap(msg);
            zmsg_pushstr(msg, worker->service->name);
            zmsg_pushstr(msg, MDPC_CLIENT);
            zmsg_wrap(msg, client);
            zmsg_send(&msg, self->socket);
            s_worker_waiting(worker);
        } else {
			// Просто обрыв связи между воркером и брокером
			// синоним сердцебиения
            s_worker_delete(worker, 1);
		}
    } else if (zframe_streq(command, MDPW_HEARTBEAT)) {
        if (worker_ready) {
            worker->expiry = zclock_time () + HEARTBEAT_EXPIRY;
		} else {
			// Просто обрыв связи между воркером и брокером
			// синоним сердцебиения
            s_worker_delete(worker, 1);
		}
    } else if (zframe_streq (command, MDPW_DISCONNECT)) {
        s_worker_delete(worker, 0);
	} else {
        zclock_log ("E: invalid input message");
        zmsg_dump (msg);
    }
    free (command);
    zmsg_destroy (&msg);
}
Ejemplo n.º 2
0
static void
handle_ready (client_t *self)
{
    mdp_msg_t *msg = self->message;
    const char *service_name = mdp_msg_service(msg);
    // zsys_debug("handle_ready: service=%s\n", service_name);
    zframe_t *routing_id = mdp_msg_routing_id(msg);
    assert(routing_id);
    char *identity = zframe_strhex(routing_id);
    int worker_ready = (zhash_lookup(self->server->workers, identity) != NULL);
    free(identity);

    worker_t *worker = s_worker_require(self->server, routing_id);
    
    if (worker_ready)   // Not first command in session.
        s_worker_delete(worker, 1);
    else {
        service_t *service = s_service_require(self->server, service_name);
        worker->service = service;
        zlist_append(service->broker->waiting, worker);
        zlist_append(service->waiting, worker);
        worker->service->workers++;
        s_service_dispatch(service);
    }
}
Ejemplo n.º 3
0
static void
s_worker_process (broker_t *self, zframe_t *sender, zmsg_t *msg)
{
    assert (zmsg_size (msg) >= 1);     //  At least, command

    zframe_t *command = zmsg_pop (msg);
    char *identity = zframe_strhex (sender);
    int worker_ready = (zhash_lookup (self->workers, identity) != NULL);
    free (identity);
    worker_t *worker = s_worker_require (self, sender);

    if (zframe_streq (command, MDPW_READY)) {
        if (worker_ready)               //  Not first command in session
            s_worker_delete (self, worker, 1);
        else
        if (zframe_size (sender) >= 4  //  Reserved service name
        &&  memcmp (zframe_data (sender), "mmi.", 4) == 0)
            s_worker_delete (self, worker, 1);
        else {
            //  Attach worker to service and mark as idle
            zframe_t *service_frame = zmsg_pop (msg);
            worker->service = s_service_require (self, service_frame);
            worker->service->workers++;
            s_worker_waiting (self, worker);
            zframe_destroy (&service_frame);
        }
    }
    else
    if (zframe_streq (command, MDPW_REPLY)) {
        if (worker_ready) {
            //  Remove & save client return envelope and insert the
            //  protocol header and service name, then rewrap envelope.
            zframe_t *client = zmsg_unwrap (msg);
            zmsg_pushstr (msg, worker->service->name);
            zmsg_pushstr (msg, MDPC_CLIENT);
            zmsg_wrap (msg, client);
            zmsg_send (&msg, self->socket);
            s_worker_waiting (self, worker);
        }
        else
            s_worker_delete (self, worker, 1);
    }
    else
    if (zframe_streq (command, MDPW_HEARTBEAT)) {
        if (worker_ready)
            worker->expiry = zclock_time () + HEARTBEAT_EXPIRY;
        else
            s_worker_delete (self, worker, 1);
    }
    else
    if (zframe_streq (command, MDPW_DISCONNECT))
        s_worker_delete (self, worker, 0);
    else {
        zclock_log ("E: invalid input message");
        zmsg_dump (msg);
    }
    free (command);
    zmsg_destroy (&msg);
}
Ejemplo n.º 4
0
static void
s_worker_process (broker_t *self, char *sender, zmsg_t *msg)
{
    assert (zmsg_parts (msg) >= 1);     //  At least, command

    char *command = zmsg_pop (msg);
    int worker_ready = (zhash_lookup (self->workers, sender) != NULL);
    worker_t *worker = s_worker_require (self, sender);

    if (streq (command, MDPW_READY)) {
        if (worker_ready)               //  Not first command in session
            s_worker_delete (self, worker, 1);
        else
        if (strlen (sender) >= 4  //  Reserved service name
        &&  memcmp (sender, "mmi.", 4) == 0)
            s_worker_delete (self, worker, 1);
        else {
            //  Attach worker to service and mark as idle
            char *service_name = zmsg_pop (msg);
            worker->service = s_service_require (self, service_name);
            worker->service->workers++;
            s_worker_waiting (self, worker);
            free (service_name);
        }
    }
    else
    if (streq (command, MDPW_REPLY)) {
        if (worker_ready) {
            //  Remove & save client return envelope and insert the
            //  protocol header and service name, then rewrap envelope.
            char *client = zmsg_unwrap (msg);
            zmsg_wrap (msg, MDPC_CLIENT, worker->service->name);
            zmsg_wrap (msg, client, "");
            free (client);
            zmsg_send (&msg, self->socket);
            s_worker_waiting (self, worker);
        }
        else
            s_worker_delete (self, worker, 1);
    }
    else
    if (streq (command, MDPW_HEARTBEAT)) {
        if (worker_ready)
            worker->expiry = s_clock () + HEARTBEAT_EXPIRY;
        else
            s_worker_delete (self, worker, 1);
    }
    else
    if (streq (command, MDPW_DISCONNECT))
        s_worker_delete (self, worker, 0);
    else {
        s_console ("E: invalid input message (%d)", (int) *command);
        zmsg_dump (msg);
    }
    free (command);
    zmsg_destroy (&msg);
}
Ejemplo n.º 5
0
static void
s_broker_worker_msg(broker_t *self, zframe_t *sender, zmsg_t *msg)
{
	assert(zmsg_size(msg) >= 1);

	zframe_t *command = zmsg_pop(msg);
	char *id_string = zframe_strhex(sender);
	int worker_ready = (zhash_lookup(self->workers, id_string) != NULL);
	free(id_string);
	worker_t *worker = s_worker_require(self, sender);

	if (zframe_streq(command, MDPW_READY)){
		if (worker_ready)
			s_worker_delete(worker, 1);
		else 
		if (zframe_size(sender) >= 4 && memcmp(zframe_data(sender), "mmi.", 4) == 0)
			s_worker_delete(worker, 1);
		else {
			zframe_t *service_frame = zmsg_pop(msg);
			worker->service = s_service_require(self, service_frame);
			worker->service->workers++;
			s_worker_waiting(worker);
			zframe_destroy(&service_frame);
		}
	}
	else
	if (zframe_streq(command, MDPW_REPLY)){
		if (worker_ready){
			zframe_t *client = zmsg_unwrap(msg);
			zmsg_pushstr(msg, worker->service->name);
			zmsg_pushstr(msg, MDPC_CLIENT);
			zmsg_wrap(msg, client);
			zmsg_send(&msg, self->socket);
			s_worker_waiting(worker);
		}
		else 
			s_worker_delete(worker, 1);
	}
	else
	if (zframe_streq(command, MDPW_HEARTBEAT)){
		if (worker_ready)
			worker->expiry = zclock_time() + HEARTBEAT_EXPIRY;
		else
			s_worker_delete(worker, 1);
	}
	else
	if (zframe_streq(command, MDPW_DISCONNECT))
		s_worker_delete(worker, 0);
	else {
		zclock_log("E: invalid input message");
		zmsg_dump(msg);
	}
	free(command);
	zmsg_destroy(&msg);

}