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;
}
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;
}
}
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;
}
}
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;
}
}
