/** * Delivery Disposition Handler */ static void AMQP_disposition_handler(void* context, qd_link_t *link, pn_delivery_t *pnd) { qd_router_t *router = (qd_router_t*) context; qdr_delivery_t *delivery = (qdr_delivery_t*) pn_delivery_get_context(pnd); bool give_reference = false; // // It's important to not do any processing without a qdr_delivery. When pre-settled // multi-frame deliveries arrive, it's possible for the settlement to register before // the whole message arrives. Such premature settlement indications must be ignored. // if (!delivery) return; // // If the delivery is settled, remove the linkage between the PN and QDR deliveries. // if (pn_delivery_settled(pnd)) { pn_delivery_set_context(pnd, 0); qdr_delivery_set_context(delivery, 0); // // Don't decref the delivery here. Rather, we will _give_ the reference to the core. // give_reference = true; } // // Update the disposition of the delivery // qdr_delivery_update_disposition(router->router_core, delivery, pn_delivery_remote_state(pnd), pn_delivery_settled(pnd), give_reference); // // If settled, close out the delivery // if (pn_delivery_settled(pnd)) pn_delivery_settle(pnd); }
void pni_entry_updated(pni_entry_t *entry) { assert(entry); pn_delivery_t *d = entry->delivery; if (d) { if (pn_delivery_remote_state(d)) { entry->status = disp2status(pn_delivery_remote_state(d)); } else if (pn_delivery_settled(d)) { uint64_t disp = pn_delivery_local_state(d); if (disp) { entry->status = disp2status(disp); } else { entry->status = PN_STATUS_SETTLED; } } else { entry->status = PN_STATUS_PENDING; } } }
/** * Delivery Disposition Handler */ static void router_disp_handler(void* context, dx_link_t *link, pn_delivery_t *delivery) { pn_link_t *pn_link = pn_delivery_link(delivery); if (pn_link_is_sender(pn_link)) { pn_disposition_t disp = pn_delivery_remote_state(delivery); dx_message_t *msg = pn_delivery_get_context(delivery); pn_delivery_t *activate = 0; if (msg) { assert(delivery == dx_message_out_delivery(msg)); if (disp != 0) { activate = dx_message_in_delivery(msg); pn_delivery_update(activate, disp); // TODO - handling of the data accompanying RECEIVED/MODIFIED } if (pn_delivery_settled(delivery)) { // // Downstream delivery has been settled. Propagate the settlement // upstream. // activate = dx_message_in_delivery(msg); pn_delivery_settle(activate); pn_delivery_settle(delivery); dx_free_message(msg); } if (activate) { // // Activate the upstream/incoming link so that the settlement will // get pushed out. // dx_link_t *act_link = (dx_link_t*) pn_link_get_context(pn_delivery_link(activate)); dx_link_activate(act_link); } return; } } pn_delivery_settle(delivery); }
bool transfer::settled() const { return pn_delivery_settled(pn_object()); }
/** * Inbound Delivery Handler */ static void AMQP_rx_handler(void* context, qd_link_t *link, pn_delivery_t *pnd) { qd_router_t *router = (qd_router_t*) context; pn_link_t *pn_link = qd_link_pn(link); qdr_link_t *rlink = (qdr_link_t*) qd_link_get_context(link); qdr_delivery_t *delivery = 0; qd_message_t *msg; // // Receive the message into a local representation. If the returned message // pointer is NULL, we have not yet received a complete message. // // Note: In the link-routing case, consider cutting the message through. There's // no reason to wait for the whole message to be received before starting to // send it. // msg = qd_message_receive(pnd); if (!msg) return; // // Consume the delivery. // pn_link_advance(pn_link); // // If there's no router link, free the message and finish. It's likely that the link // is closing. // if (!rlink) { qd_message_free(msg); return; } // // Handle the link-routed case // if (qdr_link_is_routed(rlink)) { pn_delivery_tag_t dtag = pn_delivery_tag(pnd); delivery = qdr_link_deliver_to_routed_link(rlink, msg, pn_delivery_settled(pnd), (uint8_t*) dtag.start, dtag.size); if (delivery) { if (pn_delivery_settled(pnd)) pn_delivery_settle(pnd); else { pn_delivery_set_context(pnd, delivery); qdr_delivery_set_context(delivery, pnd); qdr_delivery_incref(delivery); } } return; } // // Determine if the incoming link is anonymous. If the link is addressed, // there are some optimizations we can take advantage of. // bool anonymous_link = qdr_link_is_anonymous(rlink); // // Determine if the user of this connection is allowed to proxy the // user_id of messages. A message user_id is proxied when the // property value differs from the authenticated user name of the connection. // If the user is not allowed to proxy the user_id then the message user_id // must be blank or it must be equal to the connection user name. // bool check_user = false; qd_connection_t *conn = qd_link_connection(link); if (conn->policy_settings) check_user = !conn->policy_settings->allowUserIdProxy; // // Validate the content of the delivery as an AMQP message. This is done partially, only // to validate that we can find the fields we need to route the message. // // If the link is anonymous, we must validate through the message properties to find the // 'to' field. If the link is not anonymous, we don't need the 'to' field as we will be // using the address from the link target. // qd_message_depth_t validation_depth = (anonymous_link || check_user) ? QD_DEPTH_PROPERTIES : QD_DEPTH_MESSAGE_ANNOTATIONS; bool valid_message = qd_message_check(msg, validation_depth); if (valid_message) { if (check_user) { // This connection must not allow proxied user_id qd_iterator_t *userid_iter = qd_message_field_iterator(msg, QD_FIELD_USER_ID); if (userid_iter) { // The user_id property has been specified if (qd_iterator_remaining(userid_iter) > 0) { // user_id property in message is not blank if (!qd_iterator_equal(userid_iter, (const unsigned char *)conn->user_id)) { // This message is rejected: attempted user proxy is disallowed qd_log(router->log_source, QD_LOG_DEBUG, "Message rejected due to user_id proxy violation. User:%s", conn->user_id); pn_link_flow(pn_link, 1); pn_delivery_update(pnd, PN_REJECTED); pn_delivery_settle(pnd); qd_message_free(msg); qd_iterator_free(userid_iter); return; } } qd_iterator_free(userid_iter); } } qd_parsed_field_t *in_ma = qd_message_message_annotations(msg); qd_bitmask_t *link_exclusions; bool strip = qdr_link_strip_annotations_in(rlink); qd_iterator_t *ingress_iter = router_annotate_message(router, in_ma, msg, &link_exclusions, strip); if (anonymous_link) { qd_iterator_t *addr_iter = 0; int phase = 0; // // If the message has delivery annotations, get the to-override field from the annotations. // if (in_ma) { qd_parsed_field_t *ma_to = qd_parse_value_by_key(in_ma, QD_MA_TO); if (ma_to) { addr_iter = qd_iterator_dup(qd_parse_raw(ma_to)); phase = qd_message_get_phase_annotation(msg); } } // // Still no destination address? Use the TO field from the message properties. // if (!addr_iter) addr_iter = qd_message_field_iterator(msg, QD_FIELD_TO); if (addr_iter) { qd_iterator_reset_view(addr_iter, ITER_VIEW_ADDRESS_HASH); if (phase > 0) qd_iterator_annotate_phase(addr_iter, '0' + (char) phase); delivery = qdr_link_deliver_to(rlink, msg, ingress_iter, addr_iter, pn_delivery_settled(pnd), link_exclusions); } } else { const char *term_addr = pn_terminus_get_address(qd_link_remote_target(link)); if (!term_addr) term_addr = pn_terminus_get_address(qd_link_source(link)); if (term_addr) { qd_composed_field_t *to_override = qd_compose_subfield(0); qd_compose_insert_string(to_override, term_addr); qd_message_set_to_override_annotation(msg, to_override); int phase = qdr_link_phase(rlink); if (phase != 0) qd_message_set_phase_annotation(msg, phase); } delivery = qdr_link_deliver(rlink, msg, ingress_iter, pn_delivery_settled(pnd), link_exclusions); } if (delivery) { if (pn_delivery_settled(pnd)) pn_delivery_settle(pnd); else { pn_delivery_set_context(pnd, delivery); qdr_delivery_set_context(delivery, pnd); qdr_delivery_incref(delivery); } } else { // // The message is now and will always be unroutable because there is no address. // pn_link_flow(pn_link, 1); pn_delivery_update(pnd, PN_REJECTED); pn_delivery_settle(pnd); qd_message_free(msg); } // // Rules for delivering messages: // // For addressed (non-anonymous) links: // to-override must be set (done in the core?) // uses qdr_link_deliver to hand over to the core // // For anonymous links: // If there's a to-override in the annotations, use that address // Or, use the 'to' field in the message properties // } else { // // Message is invalid. Reject the message and don't involve the router core. // pn_link_flow(pn_link, 1); pn_delivery_update(pnd, PN_REJECTED); pn_delivery_settle(pnd); qd_message_free(msg); } }