container& connection::container() const {
class container* c = connection_context::get(pn_object()).container;
if (!c) {
pn_reactor_t *r = pn_object_reactor(pn_object());
if (r)
c = &container_context::get(r);
}
if (!c)
throw proton::error("connection does not have a container");
return *c;
}
void receiver::drain() {
link_context &ctx = link_context::get(pn_object());
if (ctx.draining)
throw proton::error("drain already in progress");
else {
ctx.draining = true;
if (credit() > 0)
pn_link_set_drain(pn_object(), true);
else {
// Drain is already complete. No state to communicate over the wire.
// Create dummy flow event where "drain finish" can be detected.
pn_connection_t *pnc = pn_session_connection(pn_link_session(pn_object()));
connection_context& cctx = connection_context::get(pnc);
// connection_engine collector is per connection. Reactor collector is global.
pn_collector_t *coll = cctx.collector;
if (!coll)
coll = pn_reactor_collector(pn_object_reactor(pnc));
pn_collector_put(coll, PN_OBJECT, pn_object(), PN_LINK_FLOW);
}
}
}
container& connection::container() {
return container_context(pn_object_reactor(pn_cast(this)));
}
container& connection::container() const {
pn_reactor_t *r = pn_object_reactor(pn_object());
if (!r)
throw proton::error("connection does not have a container");
return container_context::get(r);
}