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 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();
}
}
}
int pn_event_handler(void *handler_context, void *conn_context, pn_event_t *event, qd_connection_t *qd_conn)
{
qd_container_t *container = (qd_container_t*) handler_context;
pn_connection_t *conn = qd_connection_pn(qd_conn);
pn_session_t *ssn;
pn_link_t *pn_link;
qd_link_t *qd_link;
pn_delivery_t *delivery;
switch (pn_event_type(event)) {
case PN_CONNECTION_REMOTE_OPEN :
qd_connection_set_user(qd_conn);
if (pn_connection_state(conn) & PN_LOCAL_UNINIT) {
// This Open is an externally initiated connection
// Let policy engine decide
qd_connection_set_event_stall(qd_conn, true);
qd_conn->open_container = (void *)container;
qd_connection_invoke_deferred(qd_conn, qd_policy_amqp_open, qd_conn);
} else {
// This Open is in response to an internally initiated connection
notify_opened(container, qd_conn, conn_context);
}
break;
case PN_CONNECTION_REMOTE_CLOSE :
if (pn_connection_state(conn) == (PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED))
pn_connection_close(conn);
break;
case PN_SESSION_REMOTE_OPEN :
if (!(pn_connection_state(conn) & PN_LOCAL_CLOSED)) {
ssn = pn_event_session(event);
if (pn_session_state(ssn) & PN_LOCAL_UNINIT) {
if (qd_conn->policy_settings) {
if (!qd_policy_approve_amqp_session(ssn, qd_conn)) {
break;
}
qd_conn->n_sessions++;
}
qd_policy_apply_session_settings(ssn, qd_conn);
pn_session_open(ssn);
}
}
break;
case PN_SESSION_REMOTE_CLOSE :
if (!(pn_connection_state(conn) & PN_LOCAL_CLOSED)) {
ssn = pn_event_session(event);
if (pn_session_state(ssn) == (PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED)) {
// remote has nuked our session. Check for any links that were
// left open and forcibly detach them, since no detaches will
// arrive on this session.
pn_connection_t *conn = pn_session_connection(ssn);
pn_link_t *pn_link = pn_link_head(conn, PN_LOCAL_ACTIVE | PN_REMOTE_ACTIVE);
while (pn_link) {
if (pn_link_session(pn_link) == ssn) {
qd_link_t *qd_link = (qd_link_t*) pn_link_get_context(pn_link);
if (qd_link && qd_link->node) {
if (qd_conn->policy_settings) {
if (qd_link->direction == QD_OUTGOING) {
qd_conn->n_receivers--;
assert(qd_conn->n_receivers >= 0);
} else {
qd_conn->n_senders--;
assert(qd_conn->n_senders >= 0);
}
}
qd_log(container->log_source, QD_LOG_NOTICE,
"Aborting link '%s' due to parent session end",
pn_link_name(pn_link));
qd_link->node->ntype->link_detach_handler(qd_link->node->context,
qd_link, QD_LOST);
}
}
pn_link = pn_link_next(pn_link, PN_LOCAL_ACTIVE | PN_REMOTE_ACTIVE);
}
if (qd_conn->policy_settings) {
qd_conn->n_sessions--;
}
pn_session_close(ssn);
}
}
break;
case PN_LINK_REMOTE_OPEN :
if (!(pn_connection_state(conn) & PN_LOCAL_CLOSED)) {
pn_link = pn_event_link(event);
if (pn_link_state(pn_link) & PN_LOCAL_UNINIT) {
if (pn_link_is_sender(pn_link)) {
if (qd_conn->policy_settings) {
if (!qd_policy_approve_amqp_receiver_link(pn_link, qd_conn)) {
break;
}
qd_conn->n_receivers++;
}
setup_outgoing_link(container, pn_link);
} else {
if (qd_conn->policy_settings) {
if (!qd_policy_approve_amqp_sender_link(pn_link, qd_conn)) {
break;
}
qd_conn->n_senders++;
}
setup_incoming_link(container, pn_link);
}
} else if (pn_link_state(pn_link) & PN_LOCAL_ACTIVE)
handle_link_open(container, pn_link);
}
break;
case PN_LINK_REMOTE_CLOSE :
case PN_LINK_REMOTE_DETACH :
if (!(pn_connection_state(conn) & PN_LOCAL_CLOSED)) {
pn_link = pn_event_link(event);
qd_link = (qd_link_t*) pn_link_get_context(pn_link);
if (qd_link) {
qd_node_t *node = qd_link->node;
qd_detach_type_t dt = pn_event_type(event) == PN_LINK_REMOTE_CLOSE ? QD_CLOSED : QD_DETACHED;
if (node)
node->ntype->link_detach_handler(node->context, qd_link, dt);
else if (qd_link->pn_link == pn_link) {
pn_link_close(pn_link);
}
if (qd_conn->policy_counted && qd_conn->policy_settings) {
if (pn_link_is_sender(pn_link)) {
qd_conn->n_receivers--;
qd_log(container->log_source, QD_LOG_TRACE,
"Closed receiver link %s. n_receivers: %d",
pn_link_name(pn_link), qd_conn->n_receivers);
assert (qd_conn->n_receivers >= 0);
} else {
qd_conn->n_senders--;
qd_log(container->log_source, QD_LOG_TRACE,
"Closed sender link %s. n_senders: %d",
pn_link_name(pn_link), qd_conn->n_senders);
assert (qd_conn->n_senders >= 0);
}
}
if (qd_link->close_sess_with_link && qd_link->pn_sess &&
pn_link_state(pn_link) == (PN_LOCAL_CLOSED | PN_REMOTE_CLOSED))
pn_session_close(qd_link->pn_sess);
}
}
break;
case PN_LINK_FLOW :
pn_link = pn_event_link(event);
qd_link = (qd_link_t*) pn_link_get_context(pn_link);
if (qd_link && qd_link->node && qd_link->node->ntype->link_flow_handler)
qd_link->node->ntype->link_flow_handler(qd_link->node->context, qd_link);
break;
case PN_DELIVERY :
delivery = pn_event_delivery(event);
if (pn_delivery_readable(delivery))
do_receive(delivery);
if (pn_delivery_updated(delivery)) {
do_updated(delivery);
pn_delivery_clear(delivery);
}
break;
case PN_EVENT_NONE :
case PN_REACTOR_INIT :
case PN_REACTOR_QUIESCED :
case PN_REACTOR_FINAL :
case PN_TIMER_TASK :
case PN_CONNECTION_INIT :
case PN_CONNECTION_BOUND :
case PN_CONNECTION_UNBOUND :
case PN_CONNECTION_LOCAL_OPEN :
case PN_CONNECTION_LOCAL_CLOSE :
case PN_CONNECTION_FINAL :
case PN_SESSION_INIT :
case PN_SESSION_LOCAL_OPEN :
case PN_SESSION_LOCAL_CLOSE :
case PN_SESSION_FINAL :
case PN_LINK_INIT :
case PN_LINK_LOCAL_OPEN :
case PN_LINK_LOCAL_CLOSE :
case PN_LINK_LOCAL_DETACH :
case PN_LINK_FINAL :
case PN_TRANSPORT :
case PN_TRANSPORT_ERROR :
case PN_TRANSPORT_HEAD_CLOSED :
case PN_TRANSPORT_TAIL_CLOSED :
case PN_TRANSPORT_CLOSED :
case PN_TRANSPORT_AUTHENTICATED :
case PN_SELECTABLE_INIT :
case PN_SELECTABLE_UPDATED :
case PN_SELECTABLE_READABLE :
case PN_SELECTABLE_WRITABLE :
case PN_SELECTABLE_ERROR :
case PN_SELECTABLE_EXPIRED :
case PN_SELECTABLE_FINAL :
break;
}
return 1;
}
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;
}
