static void pn_handshaker_dispatch(pn_handler_t *handler, pn_event_t *event, pn_event_type_t type) { switch (type) { case PN_CONNECTION_REMOTE_OPEN: { pn_connection_t *conn = pn_event_connection(event); if (pn_connection_state(conn) & PN_LOCAL_UNINIT) { pn_connection_open(conn); } } break; case PN_SESSION_REMOTE_OPEN: { pn_session_t *ssn = pn_event_session(event); if (pn_session_state(ssn) & PN_LOCAL_UNINIT) { pn_session_open(ssn); } } break; case PN_LINK_REMOTE_OPEN: { pn_link_t *link = pn_event_link(event); if (pn_link_state(link) & PN_LOCAL_UNINIT) { 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); } } break; case PN_CONNECTION_REMOTE_CLOSE: { pn_connection_t *conn = pn_event_connection(event); if (!(pn_connection_state(conn) & PN_LOCAL_CLOSED)) { pn_connection_close(conn); } } break; case PN_SESSION_REMOTE_CLOSE: { pn_session_t *ssn = pn_event_session(event); if (!(pn_session_state(ssn) & PN_LOCAL_CLOSED)) { pn_session_close(ssn); } } break; case PN_LINK_REMOTE_CLOSE: { pn_link_t *link = pn_event_link(event); if (!(pn_link_state(link) & PN_LOCAL_CLOSED)) { pn_link_close(link); } } 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 messaging_adapter::on_session_remote_open(proton_event &pe) { pn_session_t *session = pn_event_session(pe.pn_event()); class session s(make_wrapper(session)); delegate_.on_session_open(s); if (!is_local_open(pn_session_state(session)) && is_local_unititialised(pn_session_state(session))) { pn_session_open(session); } }
void messaging_adapter::on_session_error(event &e) { delegate_.on_session_error(e); proton_event *pe = dynamic_cast<proton_event*>(&e); if (pe) { pn_session_t *session = pn_event_session(pe->pn_event()); pn_session_close(session); } }
/* Common handler for simple client/server interactions, */ static pn_event_type_t common_handler(test_handler_t *th, pn_event_t *e) { pn_connection_t *c = pn_event_connection(e); pn_listener_t *l = pn_event_listener(e); switch (pn_event_type(e)) { /* Stop on these events */ case PN_TRANSPORT_CLOSED: case PN_PROACTOR_INACTIVE: case PN_PROACTOR_TIMEOUT: case PN_LISTENER_OPEN: return pn_event_type(e); case PN_LISTENER_ACCEPT: last_accepted = pn_connection(); pn_listener_accept2(l, last_accepted, NULL); pn_listener_close(l); /* Only accept one connection */ return PN_EVENT_NONE; case PN_CONNECTION_REMOTE_OPEN: pn_connection_open(c); /* Return the open (no-op if already open) */ return PN_EVENT_NONE; case PN_SESSION_REMOTE_OPEN: pn_session_open(pn_event_session(e)); return PN_EVENT_NONE; case PN_LINK_REMOTE_OPEN: pn_link_open(pn_event_link(e)); return PN_EVENT_NONE; case PN_CONNECTION_REMOTE_CLOSE: pn_connection_close(c); /* Return the close */ return PN_EVENT_NONE; /* Ignore these events */ case PN_CONNECTION_BOUND: case PN_CONNECTION_INIT: case PN_CONNECTION_LOCAL_CLOSE: case PN_CONNECTION_LOCAL_OPEN: case PN_LINK_INIT: case PN_LINK_LOCAL_OPEN: case PN_LISTENER_CLOSE: case PN_SESSION_INIT: case PN_SESSION_LOCAL_OPEN: case PN_TRANSPORT: case PN_TRANSPORT_ERROR: case PN_TRANSPORT_HEAD_CLOSED: case PN_TRANSPORT_TAIL_CLOSED: return PN_EVENT_NONE; default: TEST_ERRORF(th->t, "unexpected event %s", pn_event_type_name(pn_event_type(e))); return PN_EVENT_NONE; /* Fail the test but keep going */ } }
void messaging_adapter::on_session_remote_close(proton_event &pe) { pn_event_t *cevent = pe.pn_event(); pn_session_t *session = pn_event_session(cevent); class session s(make_wrapper(session)); if (pn_condition_is_set(pn_session_remote_condition(session))) { delegate_.on_session_error(s); } delegate_.on_session_close(s); pn_session_close(session); }
void messaging_adapter::on_session_local_open(event &e) { proton_event *pe = dynamic_cast<proton_event*>(&e); if (pe) { pn_session_t *session = pn_event_session(pe->pn_event()); if (is_remote_open(pn_session_state(session))) { messaging_event mevent(messaging_event::SESSION_OPENED, *pe); on_session_opened(mevent); } } }
void process_session(ldp_connection_t *conn, pn_event_t *event) { fprintf(stderr, "session event %s\n", pn_event_type_name(pn_event_type(event))); if (pn_event_type(event) == PN_SESSION_REMOTE_STATE) { pn_session_t *session = pn_event_session(event); pn_link_t *sender = pn_sender(session, "sender-xxx"); pn_terminus_set_address(pn_link_source(sender), "hello-world"); pn_link_open(sender); } }
void messaging_adapter::on_session_remote_close(event &e) { proton_event *pe = dynamic_cast<proton_event*>(&e); if (pe) { pn_event_t *cevent = pe->pn_event(); pn_session_t *session = pn_event_session(cevent); if (pn_condition_is_set(pn_session_remote_condition(session))) { messaging_event mevent(messaging_event::SESSION_ERROR, *pe); on_session_error(mevent); } else { messaging_event mevent(messaging_event::SESSION_CLOSE, *pe); on_session_close(mevent); } pn_session_close(session); } }
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; }
session proton_event::session() const { pn_session_t *sess = pn_event_session(pn_event()); if (!sess) throw error(MSG("No session context for this event")); return sess; }