static int close_handler(qd_container_t *container, void* conn_context, pn_connection_t *conn, qd_connection_t* qd_conn) { // // Close all links, passing QD_LOST as the reason. These links are not // being properly 'detached'. They are being orphaned. // pn_link_t *pn_link = pn_link_head(conn, 0); while (pn_link) { qd_link_t *link = (qd_link_t*) pn_link_get_context(pn_link); if (link) { qd_node_t *node = link->node; if (node) { node->ntype->link_detach_handler(node->context, link, QD_LOST); } } pn_link_close(pn_link); pn_link = pn_link_next(pn_link, 0); } // teardown all sessions pn_session_t *ssn = pn_session_head(conn, 0); while (ssn) { pn_session_close(ssn); ssn = pn_session_next(ssn, 0); } // close the connection pn_connection_close(conn); notify_closed(container, qd_conn, conn_context); return 0; }
bool pn_messenger_sent(pn_messenger_t *messenger) { for (int i = 0; i < messenger->size; i++) { pn_connector_t *ctor = messenger->connectors[i]; pn_connection_t *conn = pn_connector_connection(ctor); pn_link_t *link = pn_link_head(conn, PN_LOCAL_ACTIVE); while (link) { if (pn_is_sender(link)) { pn_delivery_t *d = pn_unsettled_head(link); while (d) { if (pn_remote_disposition(d) || pn_remote_settled(d)) { pn_settle(d); } else { return false; } d = pn_unsettled_next(d); } } link = pn_link_next(link, PN_LOCAL_ACTIVE); } } return true; }
int pn_messenger_queued(pn_messenger_t *messenger, bool sender) { if (!messenger) return 0; int result = 0; for (int i = 0; i < messenger->size; i++) { pn_connector_t *ctor = messenger->connectors[i]; pn_connection_t *conn = pn_connector_connection(ctor); pn_link_t *link = pn_link_head(conn, PN_LOCAL_ACTIVE); while (link) { if (pn_is_sender(link)) { if (sender) { result += pn_queued(link); } } else if (!sender) { result += pn_queued(link); } link = pn_link_next(link, PN_LOCAL_ACTIVE); } } return result; }
int pn_messenger_stop(pn_messenger_t *messenger) { 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_link_t *link = pn_link_head(conn, PN_LOCAL_ACTIVE); while (link) { pn_link_close(link); link = pn_link_next(link, PN_LOCAL_ACTIVE); } pn_connection_close(conn); } pn_listener_t *l = pn_listener_head(messenger->driver); while (l) { pn_listener_close(l); pn_listener_t *prev = l; l = pn_listener_next(l); pn_listener_free(prev); } return pn_messenger_sync(messenger, pn_messenger_stopped); }
sender_range connection::senders() const { pn_link_t *lnk = pn_link_head(pn_object(), 0); while (lnk) { if (pn_link_is_sender(lnk)) break; lnk = pn_link_next(lnk, 0); } return sender_range(sender_iterator(make_wrapper<sender>(lnk))); }
receiver_range session::receivers() const { pn_link_t *lnk = pn_link_head(pn_session_connection(pn_object()), 0); while (lnk) { if (pn_link_is_receiver(lnk) && pn_link_session(lnk) == pn_object()) break; lnk = pn_link_next(lnk, 0); } return receiver_range(receiver_iterator(make_wrapper<receiver>(lnk), pn_object())); }
void pn_messenger_reclaim(pn_messenger_t *messenger, pn_connection_t *conn) { pn_link_t *link = pn_link_head(conn, 0); while (link) { if (pn_is_receiver(link) && pn_credit(link) > 0) { messenger->credit += pn_credit(link); } link = pn_link_next(link, 0); } }
void pn_messenger_endpoints(pn_messenger_t *messenger, pn_connection_t *conn) { if (pn_connection_state(conn) | PN_LOCAL_UNINIT) { pn_connection_open(conn); } pn_session_t *ssn = pn_session_head(conn, PN_LOCAL_UNINIT); while (ssn) { pn_session_open(ssn); ssn = pn_session_next(ssn, PN_LOCAL_UNINIT); } pn_link_t *link = pn_link_head(conn, PN_LOCAL_UNINIT); while (link) { pn_set_source(link, pn_remote_source(link)); pn_set_target(link, pn_remote_target(link)); pn_link_open(link); link = pn_link_next(link, PN_LOCAL_UNINIT); } pn_messenger_flow(messenger); ssn = pn_session_head(conn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); while (ssn) { pn_session_close(ssn); ssn = pn_session_next(ssn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); } link = pn_link_head(conn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); while (link) { pn_link_close(link); link = pn_link_next(link, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); } if (pn_connection_state(conn) == (PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED)) { pn_connection_close(conn); } }
void pn_messenger_flow(pn_messenger_t *messenger) { while (messenger->credit > 0) { int prev = messenger->credit; for (int i = 0; i < messenger->size; i++) { pn_connector_t *ctor = messenger->connectors[i]; pn_connection_t *conn = pn_connector_connection(ctor); pn_link_t *link = pn_link_head(conn, PN_LOCAL_ACTIVE); while (link && messenger->credit > 0) { if (pn_is_receiver(link)) { pn_flow(link, 1); messenger->credit--; } link = pn_link_next(link, PN_LOCAL_ACTIVE); } } if (messenger->credit == prev) break; } }
pn_link_t *pn_messenger_link(pn_messenger_t *messenger, const char *address, bool sender) { char buf[(address ? strlen(address) : 0) + 1]; if (address) { strcpy(buf, address); } else { buf[0] = '\0'; } char *domain; char *name; parse_address(address ? buf : NULL, &domain, &name); pn_connection_t *connection = pn_messenger_domain(messenger, domain); if (!connection) return NULL; pn_link_t *link = pn_link_head(connection, PN_LOCAL_ACTIVE); while (link) { if (pn_is_sender(link) == sender) { const char *terminus = pn_is_sender(link) ? pn_target(link) : pn_source(link); if (pn_streq(name, terminus)) return link; } link = pn_link_next(link, PN_LOCAL_ACTIVE); } pn_session_t *ssn = pn_session(connection); pn_session_open(ssn); link = sender ? pn_sender(ssn, "sender-xxx") : pn_receiver(ssn, "receiver-xxx"); // XXX if (sender) { pn_set_target(link, name); pn_set_source(link, name); } else { pn_set_target(link, name); pn_set_source(link, name); } pn_link_open(link); return link; }
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; }
void Connection::process() { QPID_LOG(trace, id << " process()"); if ((pn_connection_state(connection) & REQUIRES_OPEN) == REQUIRES_OPEN) { QPID_LOG_CAT(debug, model, id << " connection opened"); pn_connection_set_container(connection, broker.getFederationTag().c_str()); pn_connection_open(connection); } for (pn_session_t* s = pn_session_head(connection, REQUIRES_OPEN); s; s = pn_session_next(s, REQUIRES_OPEN)) { QPID_LOG_CAT(debug, model, id << " session begun"); pn_session_open(s); boost::shared_ptr<Session> ssn(new Session(s, broker, *this, out)); sessions[s] = ssn; } for (pn_link_t* l = pn_link_head(connection, REQUIRES_OPEN); l; l = pn_link_next(l, REQUIRES_OPEN)) { pn_link_open(l); Sessions::iterator session = sessions.find(pn_link_session(l)); if (session == sessions.end()) { QPID_LOG(error, id << " Link attached on unknown session!"); } else { try { session->second->attach(l); QPID_LOG_CAT(debug, protocol, id << " link " << l << " attached on " << pn_link_session(l)); } catch (const std::exception& e) { QPID_LOG_CAT(error, protocol, "Error on attach: " << e.what()); //TODO: set error details on detach when that is exposed via engine API pn_link_close(l); } } } //handle deliveries for (pn_delivery_t* delivery = pn_work_head(connection); delivery; delivery = pn_work_next(delivery)) { pn_link_t* link = pn_delivery_link(delivery); if (pn_link_is_receiver(link)) { Sessions::iterator i = sessions.find(pn_link_session(link)); if (i != sessions.end()) { i->second->readable(link, delivery); } else { pn_delivery_update(delivery, PN_REJECTED); } } else { //i.e. SENDER Sessions::iterator i = sessions.find(pn_link_session(link)); if (i != sessions.end()) { QPID_LOG(trace, id << " handling outgoing delivery for " << link << " on session " << pn_link_session(link)); i->second->writable(link, delivery); } else { QPID_LOG(error, id << " Got delivery for non-existent session: " << pn_link_session(link) << ", link: " << link); } } } for (pn_link_t* l = pn_link_head(connection, REQUIRES_CLOSE); l; l = pn_link_next(l, REQUIRES_CLOSE)) { pn_link_close(l); Sessions::iterator session = sessions.find(pn_link_session(l)); if (session == sessions.end()) { QPID_LOG(error, id << " peer attempted to detach link on unknown session!"); } else { session->second->detach(l); QPID_LOG_CAT(debug, model, id << " link detached"); } } for (pn_session_t* s = pn_session_head(connection, REQUIRES_CLOSE); s; s = pn_session_next(s, REQUIRES_CLOSE)) { pn_session_close(s); Sessions::iterator i = sessions.find(s); if (i != sessions.end()) { i->second->close(); sessions.erase(i); QPID_LOG_CAT(debug, model, id << " session ended"); } else { QPID_LOG(error, id << " peer attempted to close unrecognised session"); } } if ((pn_connection_state(connection) & REQUIRES_CLOSE) == REQUIRES_CLOSE) { QPID_LOG_CAT(debug, model, id << " connection closed"); pn_connection_close(connection); } }
void server_callback(pn_connector_t *ctor) { pn_sasl_t *sasl = pn_connector_sasl(ctor); while (pn_sasl_state(sasl) != PN_SASL_PASS) { switch (pn_sasl_state(sasl)) { case PN_SASL_IDLE: return; case PN_SASL_CONF: pn_sasl_mechanisms(sasl, "PLAIN ANONYMOUS"); pn_sasl_server(sasl); break; case PN_SASL_STEP: { size_t n = pn_sasl_pending(sasl); char iresp[n]; pn_sasl_recv(sasl, iresp, n); printf("%s", pn_sasl_remote_mechanisms(sasl)); printf(" response = "); pn_print_data(iresp, n); printf("\n"); pn_sasl_done(sasl, PN_SASL_OK); pn_connector_set_connection(ctor, pn_connection()); } break; case PN_SASL_PASS: break; case PN_SASL_FAIL: return; } } pn_connection_t *conn = pn_connector_connection(ctor); struct server_context *ctx = pn_connector_context(ctor); char tagstr[1024]; char msg[10*1024]; char data[ctx->size + 16]; for (int i = 0; i < ctx->size; i++) { msg[i] = 'x'; } size_t ndata = pn_message_data(data, ctx->size + 16, msg, ctx->size); if (pn_connection_state(conn) == (PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE)) { pn_connection_open(conn); } pn_session_t *ssn = pn_session_head(conn, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); while (ssn) { pn_session_open(ssn); ssn = pn_session_next(ssn, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); } pn_link_t *link = pn_link_head(conn, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); while (link) { printf("%s, %s\n", pn_remote_source(link), pn_remote_target(link)); pn_set_source(link, pn_remote_source(link)); pn_set_target(link, pn_remote_target(link)); pn_link_open(link); if (pn_is_receiver(link)) { pn_flow(link, 100); } else { pn_delivery(link, pn_dtag("blah", 4)); } link = pn_link_next(link, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); } pn_delivery_t *delivery = pn_work_head(conn); while (delivery) { pn_delivery_tag_t tag = pn_delivery_tag(delivery); pn_quote_data(tagstr, 1024, tag.bytes, tag.size); pn_link_t *link = pn_link(delivery); if (pn_readable(delivery)) { if (!ctx->quiet) { printf("received delivery: %s\n", tagstr); printf(" payload = \""); } while (true) { ssize_t n = pn_recv(link, msg, 1024); if (n == PN_EOS) { pn_advance(link); pn_disposition(delivery, PN_ACCEPTED); break; } else if (!ctx->quiet) { pn_print_data(msg, n); } } if (!ctx->quiet) printf("\"\n"); if (pn_credit(link) < 50) pn_flow(link, 100); } else if (pn_writable(delivery)) { pn_send(link, data, ndata); if (pn_advance(link)) { if (!ctx->quiet) printf("sent delivery: %s\n", tagstr); char tagbuf[16]; sprintf(tagbuf, "%i", ctx->count++); pn_delivery(link, pn_dtag(tagbuf, strlen(tagbuf))); } } if (pn_updated(delivery)) { if (!ctx->quiet) printf("disposition for %s: %u\n", tagstr, pn_remote_disposition(delivery)); pn_settle(delivery); } delivery = pn_work_next(delivery); } if (pn_connection_state(conn) == (PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED)) { pn_connection_close(conn); } ssn = pn_session_head(conn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); while (ssn) { pn_session_close(ssn); ssn = pn_session_next(ssn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); } link = pn_link_head(conn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); while (link) { pn_link_close(link); link = pn_link_next(link, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); } }
link* connection::link_head(endpoint::state mask) { return link::cast(pn_link_head(pn_cast(this), mask)); }
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; }