Пример #1
0
void replyto_dispatch(pn_handler_t *h, pn_event_t *event, pn_event_type_t type) {
  sender_context_t *sc = replyto_sender_context(h);

  switch (type) {
  case PN_DELIVERY:
    {
      check(sc->opts->get_replies, "Unexpected reply message");
      pn_link_t *recv_link = pn_event_link(event);
      pn_delivery_t *dlv = pn_event_delivery(event);
      if (pn_link_is_receiver(recv_link) && !pn_delivery_partial(dlv)) {
        size_t encoded_size = pn_delivery_pending(dlv);
        check(encoded_size <= sc->encoded_data_size, "decoding buffer too small");
        ssize_t n = pn_link_recv(recv_link, sc->encoded_data, encoded_size);
        check(n == (ssize_t)encoded_size, "read fail on reply link");
        pn_message_t *msg = sc->reply_message;
        int err = pn_message_decode(msg, sc->encoded_data, n);
        check(err == 0, "message decode error");
        statistics_msg_received(sc->stats, msg);
        sc->received++;
        pn_delivery_settle(dlv);
      }
      if (sc->received == sc->opts->msg_count) {
        pn_link_close(recv_link);
        pn_connection_t *conn = pn_event_connection(event);
        pn_connection_close(conn);
      }
    }
    break;
  default:
    break;
  }
}
void messaging_adapter::on_delivery(event &e) {
    proton_event *pe = dynamic_cast<proton_event*>(&e);
    if (pe) {
        pn_event_t *cevent = pe->pn_event();
        pn_link_t *lnk = pn_event_link(cevent);
        delivery dlv = pe->delivery();

        if (pn_link_is_receiver(lnk)) {
            if (!dlv.partial() && dlv.readable()) {
                // generate on_message
                messaging_event mevent(messaging_event::MESSAGE, *pe);
                pn_connection_t *pnc = pn_session_connection(pn_link_session(lnk));
                connection_context& ctx = connection_context::get(pnc);
                // Reusable per-connection message.
                // Avoid expensive heap malloc/free overhead.
                // See PROTON-998
                class message &msg(ctx.event_message);
                mevent.message_ = &msg;
                mevent.message_->decode(lnk, dlv);
                if (pn_link_state(lnk) & PN_LOCAL_CLOSED) {
                    if (auto_accept_)
                        dlv.release();
                } else {
                    delegate_.on_message(mevent);
                    if (auto_accept_ && !dlv.settled())
                        dlv.accept();
                }
            }
            else if (dlv.updated() && dlv.settled()) {
                messaging_event mevent(messaging_event::DELIVERY_SETTLE, *pe);
                delegate_.on_delivery_settle(mevent);
            }
        } else {
            // sender
            if (dlv.updated()) {
                amqp_ulong rstate = dlv.remote_state();
                if (rstate == PN_ACCEPTED) {
                    messaging_event mevent(messaging_event::DELIVERY_ACCEPT, *pe);
                    delegate_.on_delivery_accept(mevent);
                }
                else if (rstate == PN_REJECTED) {
                    messaging_event mevent(messaging_event::DELIVERY_REJECT, *pe);
                    delegate_.on_delivery_reject(mevent);
                }
                else if (rstate == PN_RELEASED || rstate == PN_MODIFIED) {
                    messaging_event mevent(messaging_event::DELIVERY_RELEASE, *pe);
                    delegate_.on_delivery_release(mevent);
                }

                if (dlv.settled()) {
                    messaging_event mevent(messaging_event::DELIVERY_SETTLE, *pe);
                    delegate_.on_delivery_settle(mevent);
                }
                if (auto_settle_)
                    dlv.settle();
            }
        }
    }
}
Пример #3
0
receiver_range connection::receivers() const {
  pn_link_t *lnk = pn_link_head(pn_object(), 0);
  while (lnk) {
    if (pn_link_is_receiver(lnk))
      break;
    lnk = pn_link_next(lnk, 0);
  }
  return receiver_range(receiver_iterator(make_wrapper<receiver>(lnk)));
}
Пример #4
0
static pn_event_type_t message_stream_handler(test_handler_t *th, pn_event_t *e) {
  struct message_stream_context *ctx = (struct message_stream_context*)th->context;
  switch (pn_event_type(e)) {
   case PN_CONNECTION_BOUND:
    pn_transport_set_max_frame(pn_event_transport(e), FRAME);
    return PN_EVENT_NONE;

   case PN_SESSION_INIT:
    pn_session_set_incoming_capacity(pn_event_session(e), FRAME); /* Single frame incoming */
    pn_session_set_outgoing_window(pn_event_session(e), 1);       /* Single frame outgoing */
    return PN_EVENT_NONE;

   case PN_LINK_REMOTE_OPEN:
    common_handler(th, e);
    if (pn_link_is_receiver(pn_event_link(e))) {
      pn_link_flow(pn_event_link(e), 1);
    } else {
      ctx->sender = pn_event_link(e);
    }
    return PN_EVENT_NONE;

   case PN_LINK_FLOW:           /* Start a delivery */
    if (pn_link_is_sender(pn_event_link(e)) && !ctx->dlv) {
      ctx->dlv = pn_delivery(pn_event_link(e), pn_dtag("x", 1));
    }
    return PN_LINK_FLOW;

   case PN_CONNECTION_WAKE: {     /* Send a chunk */
     ssize_t remains = ctx->size - ctx->sent;
     ssize_t n = (CHUNK < remains) ? CHUNK : remains;
     TEST_CHECK(th->t, n == pn_link_send(ctx->sender, ctx->send_buf.start + ctx->sent, n));
     ctx->sent += n;
     if (ctx->sent == ctx->size) {
       TEST_CHECK(th->t, pn_link_advance(ctx->sender));
     }
     return PN_CONNECTION_WAKE;
   }

   case PN_DELIVERY: {          /* Receive a delivery - smaller than a chunk? */
     pn_delivery_t *dlv = pn_event_delivery(e);
     if (pn_delivery_readable(dlv)) {
       ssize_t n = pn_delivery_pending(dlv);
       rwbytes_ensure(&ctx->recv_buf, ctx->received + n);
       TEST_ASSERT(n == pn_link_recv(pn_event_link(e), ctx->recv_buf.start + ctx->received, n));
       ctx->received += n;
     }
     ctx->complete = !pn_delivery_partial(dlv);
     return PN_DELIVERY;
   }

   default:
    return common_handler(th, e);
  }
}
Пример #5
0
receiver_iterator receiver_iterator::operator++() {
    if (!!obj_) {
        pn_link_t *lnk = pn_link_next(obj_.pn_object(), 0);
        while (lnk) {
            if (pn_link_is_receiver(lnk) && pn_link_session(lnk) == session_)
                break;
            lnk = pn_link_next(lnk, 0);
        }
        obj_ = lnk;
    }
    return *this;
}
Пример #6
0
static void CORE_link_drain(void *context, qdr_link_t *link, bool mode)
{
    qd_link_t *qlink = (qd_link_t*) qdr_link_get_context(link);
    if (!qlink)
        return;

    pn_link_t *plink = qd_link_pn(qlink);

    if (plink) {
        if (pn_link_is_receiver(plink))
            pn_link_set_drain(plink, mode);
    }
}
void messaging_adapter::on_link_remote_open(proton_event &pe) {
    pn_link_t *lnk = pn_event_link(pe.pn_event());
    container& c = pe.container();
    if (pn_link_is_receiver(lnk)) {
        receiver r(make_wrapper<receiver>(lnk));
        delegate_.on_receiver_open(r);
        if (is_local_unititialised(pn_link_state(lnk))) {
            r.open(c.receiver_options());
        }
    } else {
        sender s(make_wrapper<sender>(lnk));
        delegate_.on_sender_open(s);
        if (is_local_unititialised(pn_link_state(lnk))) {
            s.open(c.sender_options());
        }
    }
    credit_topup(lnk);
}
void messaging_adapter::on_link_remote_close(proton_event &pe) {
    pn_event_t *cevent = pe.pn_event();
    pn_link_t *lnk = pn_event_link(cevent);
    if (pn_link_is_receiver(lnk)) {
        receiver r(make_wrapper<receiver>(lnk));
        if (pn_condition_is_set(pn_link_remote_condition(lnk))) {
            delegate_.on_receiver_error(r);
        }
        delegate_.on_receiver_close(r);
    } else {
        sender s(make_wrapper<sender>(lnk));
        if (pn_condition_is_set(pn_link_remote_condition(lnk))) {
            delegate_.on_sender_error(s);
        }
        delegate_.on_sender_close(s);
    }
    pn_link_close(lnk);
}
void messaging_adapter::on_delivery(proton_event &pe) {
    pn_event_t *cevent = pe.pn_event();
    pn_link_t *lnk = pn_event_link(cevent);
    pn_delivery_t *dlv = pn_event_delivery(cevent);
    link_context& lctx = link_context::get(lnk);

    if (pn_link_is_receiver(lnk)) {
        delivery d(make_wrapper<delivery>(dlv));
        if (!pn_delivery_partial(dlv) && pn_delivery_readable(dlv)) {
            // generate on_message
            pn_connection_t *pnc = pn_session_connection(pn_link_session(lnk));
            connection_context& ctx = connection_context::get(pnc);
            // Reusable per-connection message.
            // Avoid expensive heap malloc/free overhead.
            // See PROTON-998
            class message &msg(ctx.event_message);
            msg.decode(d);
            if (pn_link_state(lnk) & PN_LOCAL_CLOSED) {
                if (lctx.auto_accept)
                    d.release();
            } else {
                delegate_.on_message(d, msg);
                if (lctx.auto_accept && !d.settled())
                    d.accept();
                if (lctx.draining && !pn_link_credit(lnk)) {
                    lctx.draining = false;
                    receiver r(make_wrapper<receiver>(lnk));
                    delegate_.on_receiver_drain_finish(r);
                }
            }
        }
        else if (pn_delivery_updated(dlv) && d.settled()) {
            delegate_.on_delivery_settle(d);
        }
        if (lctx.draining && pn_link_credit(lnk) == 0) {
            lctx.draining = false;
            pn_link_set_drain(lnk, false);
            receiver r(make_wrapper<receiver>(lnk));
            delegate_.on_receiver_drain_finish(r);
            if (lctx.pending_credit) {
                pn_link_flow(lnk, lctx.pending_credit);
                lctx.pending_credit = 0;
            }
        }
        credit_topup(lnk);
    } else {
        tracker t(make_wrapper<tracker>(dlv));
        // sender
        if (pn_delivery_updated(dlv)) {
            uint64_t rstate = pn_delivery_remote_state(dlv);
            if (rstate == PN_ACCEPTED) {
                delegate_.on_tracker_accept(t);
            }
            else if (rstate == PN_REJECTED) {
                delegate_.on_tracker_reject(t);
            }
            else if (rstate == PN_RELEASED || rstate == PN_MODIFIED) {
                delegate_.on_tracker_release(t);
            }

            if (t.settled()) {
                delegate_.on_tracker_settle(t);
            }
            if (lctx.auto_settle)
                t.settle();
        }
    }
}
Пример #10
0
void connection_dispatch(pn_handler_t *h, pn_event_t *event, pn_event_type_t type)
{
  connection_context_t *cc = connection_context(h);
  bool replying = cc->global->opts->reply;

  switch (type) {
  case PN_LINK_REMOTE_OPEN:
    {
      pn_link_t *link = pn_event_link(event);
      if (pn_link_is_receiver(link)) {
        check(cc->recv_link == NULL, "Multiple incomming links on one connection");
        cc->recv_link = link;
        pn_connection_t *conn = pn_event_connection(event);
        pn_list_add(cc->global->active_connections, conn);
        if (cc->global->shutting_down) {
          pn_connection_close(conn);
          break;
        }
        if (replying) {
          // Set up a reply link and defer granting credit to the incoming link
          pn_connection_t *conn = pn_session_connection(pn_link_session(link));
          pn_session_t *ssn = pn_session(conn);
          pn_session_open(ssn);
          char name[100]; // prefer a multiplatform uuid generator
          sprintf(name, "reply_sender_%d", cc->connection_id);
          cc->reply_link = pn_sender(ssn, name);
          pn_link_open(cc->reply_link);
        }
        else {
          pn_flowcontroller_t *fc = pn_flowcontroller(1024);
          pn_handler_add(h, fc);
          pn_decref(fc);
        }
      }
    }
    break;
  case PN_LINK_FLOW:
    {
      if (replying) {
        pn_link_t *reply_link = pn_event_link(event);
        // pn_flowcontroller handles the non-reply case
        check(reply_link == cc->reply_link, "internal error");

        // Grant the sender as much credit as just given to us for replies
        int delta = pn_link_credit(reply_link) - pn_link_credit(cc->recv_link);
        if (delta > 0)
          pn_link_flow(cc->recv_link, delta);
      }
    }
    break;
  case PN_DELIVERY:
    {
      pn_link_t *recv_link = pn_event_link(event);
      pn_delivery_t *dlv = pn_event_delivery(event);
      if (pn_link_is_receiver(recv_link) && !pn_delivery_partial(dlv)) {
        if (cc->global->received == 0) statistics_start(cc->global->stats);

        size_t encoded_size = pn_delivery_pending(dlv);
        cc->global->encoded_data = ensure_buffer(cc->global->encoded_data, encoded_size,
                                                 &cc->global->encoded_data_size);
        check(cc->global->encoded_data, "decoding buffer realloc failure");

        ssize_t n = pn_link_recv(recv_link, cc->global->encoded_data, encoded_size);
        check(n == (ssize_t) encoded_size, "message data read fail");
        pn_message_t *msg = cc->global->message;
        int err = pn_message_decode(msg, cc->global->encoded_data, n);
        check(err == 0, "message decode error");
        cc->global->received++;
        pn_delivery_settle(dlv);
        statistics_msg_received(cc->global->stats, msg);

        if (replying) {
          const char *reply_addr = pn_message_get_reply_to(msg);
          if (reply_addr) {
            pn_link_t *rl = cc->reply_link;
            check(pn_link_credit(rl) > 0, "message received without corresponding reply credit");
            LOG("Replying to: %s\n", reply_addr );

            pn_message_set_address(msg, reply_addr);
            pn_message_set_creation_time(msg, msgr_now());

            char tag[8];
            void *ptr = &tag;
            *((uint64_t *) ptr) = cc->global->sent;
            pn_delivery_t *dlv = pn_delivery(rl, pn_dtag(tag, 8));
            size_t size = cc->global->encoded_data_size;
            int err = pn_message_encode(msg, cc->global->encoded_data, &size);
            check(err == 0, "message encoding error");
            pn_link_send(rl, cc->global->encoded_data, size);
            pn_delivery_settle(dlv);

            cc->global->sent++;
          }
        }
      }
      if (cc->global->received >= cc->global->opts->msg_count) {
        global_shutdown(cc->global);
      }
    }
    break;
  case PN_CONNECTION_UNBOUND:
    {
      pn_connection_t *conn = pn_event_connection(event);
      pn_list_remove(cc->global->active_connections, conn);
      pn_connection_release(conn);
    }
    break;
  default:
    break;
  }
}
Пример #11
0
const receiver* link::receiver() const {
    return pn_link_is_receiver(pn_cast(this)) ? reinterpret_cast<const class receiver*>(this) : 0;
}
Пример #12
0
void Connection::process()
{
    QPID_LOG(trace, id << " process()");
    if ((pn_connection_state(connection) & REQUIRES_OPEN) == REQUIRES_OPEN) {
        QPID_LOG_CAT(debug, model, id << " connection opened");
        pn_connection_set_container(connection, broker.getFederationTag().c_str());
        pn_connection_open(connection);
    }

    for (pn_session_t* s = pn_session_head(connection, REQUIRES_OPEN); s; s = pn_session_next(s, REQUIRES_OPEN)) {
        QPID_LOG_CAT(debug, model, id << " session begun");
        pn_session_open(s);
        boost::shared_ptr<Session> ssn(new Session(s, broker, *this, out));
        sessions[s] = ssn;
    }
    for (pn_link_t* l = pn_link_head(connection, REQUIRES_OPEN); l; l = pn_link_next(l, REQUIRES_OPEN)) {
        pn_link_open(l);

        Sessions::iterator session = sessions.find(pn_link_session(l));
        if (session == sessions.end()) {
            QPID_LOG(error, id << " Link attached on unknown session!");
        } else {
            try {
                session->second->attach(l);
                QPID_LOG_CAT(debug, protocol, id << " link " << l << " attached on " << pn_link_session(l));
            } catch (const std::exception& e) {
                QPID_LOG_CAT(error, protocol, "Error on attach: " << e.what());
                //TODO: set error details on detach when that is exposed via engine API
                pn_link_close(l);
            }
        }
    }

    //handle deliveries
    for (pn_delivery_t* delivery = pn_work_head(connection); delivery; delivery = pn_work_next(delivery)) {
        pn_link_t* link = pn_delivery_link(delivery);
        if (pn_link_is_receiver(link)) {
            Sessions::iterator i = sessions.find(pn_link_session(link));
            if (i != sessions.end()) {
                i->second->readable(link, delivery);
            } else {
                pn_delivery_update(delivery, PN_REJECTED);
            }
        } else { //i.e. SENDER
            Sessions::iterator i = sessions.find(pn_link_session(link));
            if (i != sessions.end()) {
                QPID_LOG(trace, id << " handling outgoing delivery for " << link << " on session " << pn_link_session(link));
                i->second->writable(link, delivery);
            } else {
                QPID_LOG(error, id << " Got delivery for non-existent session: " << pn_link_session(link) << ", link: " << link);
            }
        }
    }


    for (pn_link_t* l = pn_link_head(connection, REQUIRES_CLOSE); l; l = pn_link_next(l, REQUIRES_CLOSE)) {
        pn_link_close(l);
        Sessions::iterator session = sessions.find(pn_link_session(l));
        if (session == sessions.end()) {
            QPID_LOG(error, id << " peer attempted to detach link on unknown session!");
        } else {
            session->second->detach(l);
            QPID_LOG_CAT(debug, model, id << " link detached");
        }
    }
    for (pn_session_t* s = pn_session_head(connection, REQUIRES_CLOSE); s; s = pn_session_next(s, REQUIRES_CLOSE)) {
        pn_session_close(s);
        Sessions::iterator i = sessions.find(s);
        if (i != sessions.end()) {
            i->second->close();
            sessions.erase(i);
            QPID_LOG_CAT(debug, model, id << " session ended");
        } else {
            QPID_LOG(error, id << " peer attempted to close unrecognised session");
        }
    }
    if ((pn_connection_state(connection) & REQUIRES_CLOSE) == REQUIRES_CLOSE) {
        QPID_LOG_CAT(debug, model, id << " connection closed");
        pn_connection_close(connection);
    }
}
Пример #13
0
const receiver link::receiver() const {
    return pn_link_is_receiver(pn_object()) ? proton::receiver(pn_object()) : proton::receiver();
}
Пример #14
0
void 
connection_dispatch ( pn_handler_t *h, pn_event_t *event, pn_event_type_t type )
{
  connection_context_t *cc = connection_context(h);

  switch ( type ) 
  {
    case PN_LINK_REMOTE_OPEN:
      {
        pn_link_t *link = pn_event_link(event);
        if (pn_link_is_receiver(link)) {
          check(cc->recv_link == NULL, "Multiple incomming links on one connection");
          cc->recv_link = link;
          pn_connection_t *conn = pn_event_connection(event);
          pn_list_add(cc->global->active_connections, conn);
          if (cc->global->shutting_down) {
            pn_connection_close(conn);
            break;
          }

          pn_flowcontroller_t *fc = pn_flowcontroller(1024);
          pn_handler_add(h, fc);
          pn_decref(fc);
        }
      }
      break;

    case PN_DELIVERY:
      {
        pn_link_t *recv_link = pn_event_link(event);
        pn_delivery_t *dlv = pn_event_delivery(event);
        if (pn_link_is_receiver(recv_link) && !pn_delivery_partial(dlv)) {
          if (cc->global->received == 0) statistics_start(cc->global->stats);

          size_t encoded_size = pn_delivery_pending(dlv);
          cc->global->encoded_data = ensure_buffer(cc->global->encoded_data, encoded_size,
                                                   &cc->global->encoded_data_size);
          check(cc->global->encoded_data, "decoding buffer realloc failure");

          /*
            If this was the first message received, 
            initialize our reporting.
          */
          if ( ! cc->global->received )
            rr_init ( & cc->global->resource_reporter );

          ssize_t n = pn_link_recv(recv_link, cc->global->encoded_data, encoded_size);
          check(n == (ssize_t) encoded_size, "message data read fail");
          //fprintf ( stderr, "MDEBUG encoded_size == %d\n", encoded_size );
          pn_message_t *msg = cc->global->message;

          int err = pn_message_decode ( msg, cc->global->encoded_data, n );
          check ( err == 0, "message decode error" );

          /* MICK -- annotate! ================================  */
           if ( cc->global->opts->timestamping )
           {
             double message_timestamp;
             if ( get_message_timestamp ( msg, & message_timestamp ) )
             {
               double now = now_timestamp ( );
               cc->global->total_latency += (now - message_timestamp);
             }
             else
             {
               fprintf ( stderr, 
                         "receiver: no timestamp at msg count %d.\n", 
                         cc->global->received 
                       );
               exit ( 1 );
             }
           }
          /* MICK -- end annotate! =============================  */


          cc->global->received++;

          /*---------------------------------------
            Do a report
          ---------------------------------------*/
          if ( ! ( cc->global->received % cc->global->opts->report_frequency ) )
          {
            static bool first_time = true;
            double cpu_percentage;
            int    rss;
            double sslr = rr_seconds_since_last_report ( & cc->global->resource_reporter );
            rr_report ( & cc->global->resource_reporter, & cpu_percentage, & rss );
            double throughput = (double)(cc->global->opts->report_frequency) / sslr;

            if ( first_time )
            {
              if ( cc->global->opts->timestamping )
	      {
		if ( cc->global->opts->print_message_size )
		  fprintf(cc->global->report_fp, "msg_size\trecv_msgs\tcpu\trss\tthroughput\tlatency\n");
		else
		  fprintf(cc->global->report_fp, "recv_msgs\tcpu\trss\tthroughput\tlatency\n");
	      }
	      else
	      {
		if ( cc->global->opts->print_message_size )
		  fprintf(cc->global->report_fp, "msg_size\trecv_msgs\tcpu\trss\tthroughput\n");
		else
		  fprintf(cc->global->report_fp, "recv_msgs\tcpu\trss\tthroughput\n");
	      }
              first_time = false;
            }

            if ( cc->global->opts->timestamping )
            {
              double average_latency = cc->global->total_latency / 
                                       cc->global->opts->report_frequency;
              average_latency *= 1000.0;  // in msec.
              cc->global->total_latency = 0;

              fprintf ( cc->global->report_fp, 
                        "%d\t%lf\t%d\t%lf\t%lf\n", 
                        cc->global->received, 
                        cpu_percentage,
                        rss,
                        throughput,
                        average_latency
                      );
            }
            else
            {
              // was: 
              // "recv_msgs: %10d   cpu: %5.1lf   rss: %6d   throughput: %8.0lf\n"
	      if ( cc->global->opts->print_message_size )
	      {
		fprintf ( cc->global->report_fp, 
			  "%d\t%d\t%lf\t%d\t%lf\n", 
			  cc->global->opts->message_size,
			  cc->global->received, 
			  cpu_percentage,
			  rss,
			  throughput
			);
	      }
	      else
	      {
		fprintf ( cc->global->report_fp, 
			  "%d\t%lf\t%d\t%lf\n", 
			  cc->global->received, 
			  cpu_percentage,
			  rss,
			  throughput
			);
	      }
            }

          }
          pn_delivery_settle(dlv); // move this up

          statistics_msg_received(cc->global->stats, msg);
        }
        if (cc->global->received >= cc->global->opts->msg_count) {
          global_shutdown(cc->global);
        }
      }
      break;

    case PN_CONNECTION_UNBOUND:
      {
        pn_connection_t *conn = pn_event_connection(event);
        pn_list_remove(cc->global->active_connections, conn);
        pn_connection_release(conn);
      }
      break;

    default:
      break;
  }
}
Пример #15
0
void sender_dispatch(pn_handler_t *h, pn_event_t *event, pn_event_type_t type)
{
  sender_context_t *sc = sender_context(h);

  switch (type) {
  case PN_CONNECTION_INIT:
    {
      pn_connection_t *conn = pn_event_connection(event);
      pn_connection_set_container(conn, pn_string_get(sc->container_id));
      pn_connection_set_hostname(conn, pn_string_get(sc->hostname));
      pn_connection_open(conn);
      pn_session_t *ssn = pn_session(conn);
      pn_session_open(ssn);
      pn_link_t *snd = pn_sender(ssn, "sender");
      const char *path = pn_url_get_path(sc->send_url);
      if (path && strlen(path)) {
        pn_terminus_set_address(pn_link_target(snd), path);
        pn_terminus_set_address(pn_link_source(snd), path);
      }
      pn_link_open(snd);
    }
    break;
  case PN_LINK_FLOW:
    {
      pn_link_t *snd = pn_event_link(event);
      while (pn_link_credit(snd) > 0 && sc->sent < sc->opts->msg_count) {
        if (sc->sent == 0)
          statistics_start(sc->stats);

        char tag[8];
        void *ptr = &tag;
        *((uint64_t *) ptr) = sc->sent;
        pn_delivery_t *dlv = pn_delivery(snd, pn_dtag(tag, 8));

        // setup the message to send
        pn_message_t *msg = sc->message;
        pn_message_set_address(msg, sc->opts->targets.addresses[0]);
        sc->id.u.as_ulong = sc->sent;
        pn_message_set_correlation_id(msg, sc->id);
        pn_message_set_creation_time(msg, msgr_now());

        size_t size = sc->encoded_data_size;
        int err = pn_message_encode(msg, sc->encoded_data, &size);
        check(err == 0, "message encoding error");
        pn_link_send(snd, sc->encoded_data, size);
        pn_delivery_settle(dlv);
        sc->sent++;
      }
      if (sc->sent == sc->opts->msg_count && !sc->opts->get_replies) {
        pn_link_close(snd);
        pn_connection_t *conn = pn_event_connection(event);
        pn_connection_close(conn);
      }
    }
    break;
  case PN_LINK_INIT:
    {
      pn_link_t *link = pn_event_link(event);
      if (pn_link_is_receiver(link)) {
        // Response messages link.  Could manage credit and deliveries in this handler but
        // a dedicated handler also works.
        pn_handler_t *replyto = replyto_handler(sc);
        pn_flowcontroller_t *fc = pn_flowcontroller(1024);
        pn_handler_add(replyto, fc);
        pn_decref(fc);
        pn_handshaker_t *handshaker = pn_handshaker();
        pn_handler_add(replyto, handshaker);
        pn_decref(handshaker);
        pn_record_t *record = pn_link_attachments(link);
        pn_record_set_handler(record, replyto);
        pn_decref(replyto);
      }
    }
    break;
  case PN_CONNECTION_LOCAL_CLOSE:
    {
      statistics_report(sc->stats, sc->sent, sc->received);
    }
    break;
  default:
    break;
  }
}
Пример #16
0
int 
main ( int argc, char ** argv )
{
  char info[1000];
  int  expected = (argc > 1) ? atoi(argv[1]) : 100000;
  int  received = 0;
  int  size     = 32;
  int  msg_size = 50;
  bool done     = false;
  int  initial_credit   = 500,
       new_credit       = 250,
       low_credit_limit = 250;

  char const * host = "0.0.0.0";
  char const * port = "5672";

  bool sasl_done = false;

  pn_driver_t     * driver;
  pn_listener_t   * listener;
  pn_connector_t  * connector;
  pn_connection_t * connection;
  pn_session_t    * session;
  pn_link_t       * link;
  pn_delivery_t   * delivery;


  char * message_data          = (char *) malloc ( MY_BUF_SIZE );
  int    message_data_capacity = MY_BUF_SIZE;


  fprintf ( stderr, "drecv expecting %d messages.\n", expected );
  driver = pn_driver ( );

  if ( ! pn_listener(driver, host, port, 0) ) 
  {
    fprintf ( stderr, "listener creation failed.\n" );
    exit ( 1 );
  }

  while ( ! done)
  {
    pn_driver_wait ( driver, -1 );

    if ( (listener = pn_driver_listener(driver)) ) 
      pn_listener_accept( listener );

    if ( (connector = pn_driver_connector(driver)) ) 
    {
      pn_connector_process ( connector );

      if ( ! sasl_done )
        if( ! (sasl_done = get_sasl_over_with(connector) ))
          continue;

      connection = pn_connector_connection ( connector );


      /*=========================================================
        Open everything that is ready on the 
        other side but not here.
      =========================================================*/
      pn_state_t hes_ready_im_not = PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE;

      if (pn_connection_state(connection) == hes_ready_im_not)
        pn_connection_open( connection);


      for ( session = pn_session_head(connection, hes_ready_im_not);
            session;
            session = pn_session_next(session, hes_ready_im_not)
          )
        pn_session_open(session);


      for ( link = pn_link_head(connection, hes_ready_im_not);
            link;
            link = pn_link_next(link, hes_ready_im_not)
          )
       {
         pn_terminus_copy(pn_link_source(link), pn_link_remote_source(link));
         pn_terminus_copy(pn_link_target(link), pn_link_remote_target(link));
         pn_link_open ( link );
         if ( pn_link_is_receiver(link) ) 
           pn_link_flow ( link, initial_credit );
       }


      /*==========================================================
        Get all available deliveries.
      ==========================================================*/
      for ( delivery = pn_work_head ( connection );
            delivery;
            delivery = pn_work_next ( delivery )
          )
      {
        if ( pn_delivery_readable(delivery) ) 
        {
          link = pn_delivery_link ( delivery );
          while ( PN_EOS != pn_link_recv(link, message_data, MY_BUF_SIZE) )
            ;
          pn_link_advance ( link );
          pn_delivery_update ( delivery, PN_ACCEPTED );
          pn_delivery_settle ( delivery );


          if ( ++ received >= expected )
          {
            sprintf ( info, "received %d messages", received );
            print_timestamp ( stderr, info );
            done = true;
          }

          // a progress report for long tests.
          if ( ! (received % 5000000) )
            fprintf ( stderr, "received: %d\n", received );


          if ( pn_link_credit(link) <= low_credit_limit ) 
            pn_link_flow ( link, new_credit );
        } 
        else
        {
          // TODO
          // Why am I getting writables?
          // And what to do with them?
        }
      } 


      /*===============================================================
        Shut down everything that the other side has closed.
      ===============================================================*/
      pn_state_t active_here_closed_there = PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED;

      if ( pn_connection_state(connection) == active_here_closed_there )
        pn_connection_close ( connection );

      for ( session = pn_session_head(connection, active_here_closed_there);
            session;
            session = pn_session_next(session, active_here_closed_there)
          )
        pn_session_close ( session );

      for ( link = pn_link_head(connection, active_here_closed_there);
            link;
            link = pn_link_next(link, active_here_closed_there)
          )
        pn_link_close ( link );

      if ( pn_connector_closed(connector) ) 
      {
        pn_connection_free ( pn_connector_connection(connector) );
        pn_connector_free ( connector );
        done = true;
      } 
      else 
        pn_connector_process(connector);
    }
  }

  pn_driver_free(driver);

  return 0;
}