コード例 #1
0
ファイル: reactor-send.c プロジェクト: MZDN/qpid-proton
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;
  }
}
コード例 #2
0
ファイル: ConnectionContext.cpp プロジェクト: ncdc/qpid
bool ConnectionContext::get(boost::shared_ptr<SessionContext> ssn, boost::shared_ptr<ReceiverContext> lnk, qpid::messaging::Message& message, qpid::messaging::Duration timeout)
{
    qpid::sys::AbsTime until(convert(timeout));
    while (true) {
        qpid::sys::ScopedLock<qpid::sys::Monitor> l(lock);
        pn_delivery_t* current = pn_link_current((pn_link_t*) lnk->receiver);
        QPID_LOG(debug, "In ConnectionContext::get(), current=" << current);
        if (current) {
            qpid::messaging::MessageImpl& impl = MessageImplAccess::get(message);
            boost::shared_ptr<EncodedMessage> encoded(new EncodedMessage(pn_delivery_pending(current)));
            ssize_t read = pn_link_recv(lnk->receiver, encoded->getData(), encoded->getSize());
            if (read < 0) throw qpid::messaging::MessagingException("Failed to read message");
            encoded->trim((size_t) read);
            QPID_LOG(debug, "Received message of " << encoded->getSize() << " bytes: ");
            encoded->init(impl);
            impl.setEncoded(encoded);
            impl.setInternalId(ssn->record(current));
            pn_link_advance(lnk->receiver);
            return true;
        } else if (until > qpid::sys::now()) {
            wait();
        } else {
            return false;
        }
    }
    return false;
}
コード例 #3
0
ファイル: proactor.c プロジェクト: kgiusti/qpid-proton
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);
  }
}
コード例 #4
0
ファイル: Incoming.cpp プロジェクト: ted-ross/qpid-spf
void DecodingIncoming::readable(pn_delivery_t* delivery)
{
    boost::intrusive_ptr<Message> received(new Message(pn_delivery_pending(delivery)));
    /*ssize_t read = */pn_link_recv(link, received->getData(), received->getSize());
    received->scan();
    pn_link_advance(link);

    qpid::broker::Message message(received, received);

    handle(message);
    --window;
    received->begin();
    Transfer t(delivery, session);
    received->end(t);
}
コード例 #5
0
ファイル: Relay.cpp プロジェクト: ChugR/qpid-cpp
void BufferedTransfer::initIn(pn_link_t* link, pn_delivery_t* d)
{
    in.handle = d;
    //read in data
    data.resize(pn_delivery_pending(d));
    /*ssize_t read = */pn_link_recv(link, &data[0], data.size());
    pn_link_advance(link);

    //copy delivery tag
    pn_delivery_tag_t dt = pn_delivery_tag(d);
    tag.resize(dt.size);
#ifdef NO_PROTON_DELIVERY_TAG_T
    ::memmove(&tag[0], dt.start, dt.size);
#else
    ::memmove(&tag[0], dt.bytes, dt.size);
#endif

    //set context
    pn_delivery_set_context(d, this);

}
コード例 #6
0
ファイル: reactor-recv.c プロジェクト: MZDN/qpid-proton
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;
  }
}
コード例 #7
0
ファイル: link.cpp プロジェクト: Barba-studio/qpid-proton
ssize_t link::recv(char* buffer, size_t size) {
    return pn_link_recv(pn_object(), buffer, size);
}
コード例 #8
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;
  }
}
コード例 #9
0
ファイル: message.c プロジェクト: b-cuts/qpid-dispatch
qd_message_t *qd_message_receive(pn_delivery_t *delivery)
{
    pn_link_t        *link = pn_delivery_link(delivery);
    ssize_t           rc;
    qd_buffer_t      *buf;
    qd_message_pvt_t *msg  = (qd_message_pvt_t*) pn_delivery_get_context(delivery);

    //
    // If there is no message associated with the delivery, this is the first time
    // we've received anything on this delivery.  Allocate a message descriptor and
    // link it and the delivery together.
    //
    if (!msg) {
        msg = (qd_message_pvt_t*) qd_message();
        pn_delivery_set_context(delivery, (void*) msg);
    }

    //
    // Get a reference to the tail buffer on the message.  This is the buffer into which
    // we will store incoming message data.  If there is no buffer in the message, allocate
    // an empty one and add it to the message.
    //
    buf = DEQ_TAIL(msg->content->buffers);
    if (!buf) {
        buf = qd_buffer();
        DEQ_INSERT_TAIL(msg->content->buffers, buf);
    }

    while (1) {
        //
        // Try to receive enough data to fill the remaining space in the tail buffer.
        //
        rc = pn_link_recv(link, (char*) qd_buffer_cursor(buf), qd_buffer_capacity(buf));

        //
        // If we receive PN_EOS, we have come to the end of the message.
        //
        if (rc == PN_EOS) {
            //
            // If the last buffer in the list is empty, remove it and free it.  This
            // will only happen if the size of the message content is an exact multiple
            // of the buffer size.
            //
            if (qd_buffer_size(buf) == 0) {
                DEQ_REMOVE_TAIL(msg->content->buffers);
                qd_buffer_free(buf);
            }
            pn_delivery_set_context(delivery, 0);

            char repr[qd_message_repr_len()];
            qd_log(log_source, QD_LOG_TRACE, "Received %s on link %s",
                   qd_message_repr((qd_message_t*)msg, repr, sizeof(repr)),
                   pn_link_name(link));

            return (qd_message_t*) msg;
        }

        if (rc > 0) {
            //
            // We have received a positive number of bytes for the message.  Advance
            // the cursor in the buffer.
            //
            qd_buffer_insert(buf, rc);

            //
            // If the buffer is full, allocate a new empty buffer and append it to the
            // tail of the message's list.
            //
            if (qd_buffer_capacity(buf) == 0) {
                buf = qd_buffer();
                DEQ_INSERT_TAIL(msg->content->buffers, buf);
            }
        } else
            //
            // We received zero bytes, and no PN_EOS.  This means that we've received
            // all of the data available up to this point, but it does not constitute
            // the entire message.  We'll be back later to finish it up.
            //
            break;
    }

    return 0;
}
コード例 #10
0
ファイル: precv.c プロジェクト: bozzzzo/proton_c_clients
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;
}