Example #1
0
int main (int argc, char *argv [])
{
    int verbose = (argc > 1 && streq (argv [1], "-v"));
    mdcli_t *session = mdcli_new ("tcp://localhost:5555", verbose);
	zmsg_t *request;
	zmsg_t *reply;
    int count;

    //for (count = 0; count < 1; count++) {
        request = zmsg_new ();
        zmsg_pushstr (request, "KILL");
        reply = mdcli_send (session, "echo", &request);
        if (reply)
		{
			zframe_t * lastFrame = zmsg_last(reply);
			char* msg = zframe_strdup(lastFrame);
			printf("msg:%s\n", msg);
			printf("size:%d\n", zmsg_content_size(reply));
			//zframe_print(lastFrame,"->");
			zmsg_destroy (&reply);
		}
        //else
        //    break;              //  Interrupt or failure
    //}
    //printf ("%d requests/replies processed\n", count);
    mdcli_destroy (&session);
    return 0;
}
Example #2
0
int main (void)
{
    mdcli_t *mdcli;
    int rc;

    printf (" * mdcli: ");
    mdcli = mdcli_new ("tcp://127.0.0.1:5055");

    mdcli_destroy (&mdcli);
    return 0;

    return 0;
}
Example #3
0
int main (int argc, char *argv [])
{
    int verbose = (argc > 1 && streq (argv [1], "-v"));
    mdcli_t *session = mdcli_new ("tcp://localhost:5555", verbose);

    //  1. Send 'echo' request to Titanic
    zmsg_t *request = zmsg_new ();
    zmsg_addstr (request, "echo");
    zmsg_addstr (request, "Hello world");
    zmsg_t *reply = s_service_call (
        session, "titanic.request", &request);

    zframe_t *uuid = NULL;
    if (reply) {
        uuid = zmsg_pop (reply);
        zmsg_destroy (&reply);
        zframe_print (uuid, "I: request UUID ");
    }
    //  2. Wait until we get a reply
    while (!zctx_interrupted) {
        zclock_sleep (100);
        request = zmsg_new ();
        zmsg_add (request, zframe_dup (uuid));
        zmsg_t *reply = s_service_call (
            session, "titanic.reply", &request);

        if (reply) {
            char *reply_string = zframe_strdup (zmsg_last (reply));
            printf ("Reply: %s\n", reply_string);
            free (reply_string);
            zmsg_destroy (&reply);

            //  3. Close request
            request = zmsg_new ();
            zmsg_add (request, zframe_dup (uuid));
            reply = s_service_call (session, "titanic.close", &request);
            zmsg_destroy (&reply);
            break;
        }
        else {
            printf ("I: no reply yet, trying again...\n");
            zclock_sleep (5000);     //  Try again in 5 seconds
        }
    }
    zframe_destroy (&uuid);
    mdcli_destroy (&session);
    return 0;
}
Example #4
0
int main (int argc, char *argv [])
{
    int verbose = (argc > 1 && streq (argv [1], "-v"));
    mdcli_t *session = mdcli_new ("tcp://localhost:5555", verbose);

    //  1. Send 'echo' request to Titanic
    zmsg_t *request = zmsg_new ("Hello world");
    zmsg_push (request, "echo");
    zmsg_t *reply = s_service_call (
        session, "titanic.request", &request);
    char *uuid = NULL;
    if (reply) {
        uuid = zmsg_pop (reply);
        zmsg_destroy (&reply);
        printf ("I: request UUID: %s\n", uuid);
    }

    //  2. Wait until we get a reply
    while (!s_interrupted) {
        s_sleep (100);
        request = zmsg_new (uuid);
        zmsg_t *reply = s_service_call (
            session, "titanic.reply", &request);
        if (reply) {
            printf ("Reply: %s\n", zmsg_body (reply));
            zmsg_destroy (&reply);

            //  3. Close request
            request = zmsg_new (uuid);
            reply = s_service_call (session, "titanic.close", &request);
            zmsg_destroy (&reply);
            break;
        }
        else {
            printf ("I: no reply yet, trying again...\n");
            s_sleep (5000);     //  Try again in 5 seconds
        }
    }
    mdcli_destroy (&session);
    return 0;
}
Example #5
0
void trigger(void *cvoid, 
             zctx_t * context, 
             void * control) {
  triggerconfig_t * c = (triggerconfig_t*) cvoid;
  //set up msgpack stuff
  zclock_log("watch_port started!");
  msgpack_zone mempool;
  msgpack_zone_init(&mempool, 2048);

  // TODO
  char * user_id = "17"; 
  // TODO get broker in somehow
  char * broker = "tcp://au.ninjablocks.com:5773";

  mdcli_t * client = mdcli_new(broker, 1); //VERBOSE

  triggermemory_t trigger_memory;
  msgpack_object * addins_obj = parse_msgpack(&mempool, c->addins);

  if(!parse_addins(addins_obj, &trigger_memory)) {
    //bad message
    zclock_log("bad trigger definition");
    msgpack_object_print(stdout, *addins_obj);
    send_sync("bad trigger", control);
    return;
  }
  zclock_log("Creating trigger: target %s, rule_id %s, name %s", 
             c->target_worker, c->rule_id, c->trigger_name);
  dump_trigger(&trigger_memory);
  triggerfunction trigger_func;
  if(!(trigger_func = find_trigger(c->channel, c->trigger_name))) {

    zclock_log("no trigger found for channel %s, trigger %s",
               c->channel, c->trigger_name);
    send_sync("no such trigger", control);
    return;
  }

  void * line = zsocket_new(context, ZMQ_SUB);


  // what line are we on?
  // this comes in the addins. 
  char * linesocket = to_linesocket(trigger_memory.line_id);
  zclock_log("trigger is connecting to listen on %s", linesocket);
  zsocket_connect(line, linesocket);

  zsockopt_set_unsubscribe(line, "");
  zsockopt_set_subscribe(line, "VALUE");
  recv_sync("ping", control);
  send_sync("pong", control);
  
  zmq_pollitem_t items [] = {
    { line, 0, ZMQ_POLLIN, 0 },
    { control, 0, ZMQ_POLLIN, 0 }
  };
  while(1) {
    // listen on control and line
    zmq_poll (items, 2, -1);
    if (items[1].revents & ZMQ_POLLIN) {
      zclock_log("rule %s received message on control pipe", c->rule_id);
      // control message
      // really only expecting DESTROY
      zmsg_t * msg = zmsg_recv(control);
      char * str = zmsg_popstr(msg);
      zmsg_destroy(&msg);
      
      if (strcmp("Destroy", str) == 0) {
        zclock_log("rule %s will quit on request", c->rule_id);
        free(str);
        send_sync("ok", control);
        zclock_log("rule %s quitting on request", c->rule_id);
        break;
      } else  {
        zclock_log("unexpected command %s for rule %s", str, c->rule_id);
        free(str);
        send_sync("ok", control);
      }
    }

    if (items[0].revents & ZMQ_POLLIN) {
      // serial update
      zmsg_t * msg = zmsg_recv(line);
      zframe_t * cmd = zmsg_pop(msg);
      if(zframe_streq(cmd, "CHANNEL_CHANGE")) {
        // TODO
        // must have been dormant to have gotten this
        char * new_channel = zmsg_popstr(msg);

        if(strcmp(c->channel, new_channel) == 0) {
        // oh, happy day! We're relevant again.
        // reactivate and start looking at reset levels.
          zclock_log("line %d: changed channel from %s to %s: trigger coming back to life", trigger_memory.line_id, c->channel, new_channel);
          zsockopt_set_subscribe(line, "VALUE");
          zsockopt_set_unsubscribe(line, "CHANNEL_CHANGE");
        }
        free(new_channel);
      } else if (zframe_streq(cmd, "VALUE")) {
        zframe_t * vframe = zmsg_pop(msg);
        int value;
        memcpy(&value, zframe_data(vframe), sizeof(int));
        char * update_channel = zmsg_popstr(msg);

        if(strcmp(c->channel, update_channel) != 0) {
          // channel changed,  go dormant
          // this is legit according to my tests at
          // https://gist.github.com/2042350

          zclock_log("line %d: changed channel from %s to %s: trigger going dormant", trigger_memory.line_id, c->channel, update_channel);
          zsockopt_set_subscribe(line, "CHANNEL_CHANGE");
          zsockopt_set_unsubscribe(line, "VALUE");
        } 
        
        else if(trigger_func(&trigger_memory, value)) {
          send_trigger(client, c->target_worker, c->rule_id, value, user_id);
        }           

        free(update_channel);
      } else {
        // shouldn't ever happen.
        zclock_log("shouldn't have received command %s\n", zframe_strdup(cmd));
      }
      zmsg_destroy(&msg);
      zframe_destroy(&cmd);
    }
    
  }

  msgpack_zone_destroy(&mempool);
}