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 char* test_send_to_messenger(void *context)
{
nx_allocator_initialize(nx_allocator_default_config());
nx_message_t *msg = nx_allocate_message();
nx_message_compose_1(msg, "test_addr_0", 0);
nx_buffer_t *buf = DEQ_HEAD(msg->buffers);
if (buf == 0) return "Expected a buffer in the test message";
pn_message_t *pn_msg = pn_message();
int result = pn_message_decode(pn_msg, (const char*) nx_buffer_base(buf), nx_buffer_size(buf));
if (result != 0) return "Error in pn_message_decode";
if (strcmp(pn_message_get_address(pn_msg), "test_addr_0") != 0)
return "Address mismatch in received message";
pn_message_free(pn_msg);
nx_free_message(msg);
nx_allocator_finalize();
return 0;
}
int pn_messenger_get(pn_messenger_t *messenger, pn_message_t *msg)
{
if (!messenger) return PN_ARG_ERR;
for (int i = 0; i < messenger->size; i++) {
pn_connector_t *ctor = messenger->connectors[i];
pn_connection_t *conn = pn_connector_connection(ctor);
pn_delivery_t *d = pn_work_head(conn);
while (d) {
if (pn_readable(d)) {
// XXX: buf size, eof, etc
char buf[1024];
pn_link_t *l = pn_link(d);
ssize_t n = pn_recv(l, buf, 1024);
pn_settle(d);
if (n < 0) return n;
if (msg) {
int err = pn_message_decode(msg, buf, n);
if (err) {
return pn_error_format(messenger->error, err, "error decoding message: %s",
pn_message_error(msg));
} else {
return 0;
}
} else {
return 0;
}
}
d = pn_work_next(d);
}
}
// XXX: need to drain credit before returning EOS
return PN_EOS;
}
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;
}
}
void message::decode(const std::vector<char> &s) {
if (s.empty())
throw error("message decode: no data");
impl().clear();
check(pn_message_decode(pn_msg(), &s[0], s.size()));
}