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; } }
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; }
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); } }
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); }
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); }
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; } }
ssize_t link::recv(char* buffer, size_t size) { return pn_link_recv(pn_object(), buffer, size); }
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; } }
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; }
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; }