[GitHub] [qpid-proton] DreamPearl commented on a change in pull request #309: PROTON-2370: [cpp] An accessor for the delivery tag

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DreamPearl commented on a change in pull request #309:
URL: https://github.com/apache/qpid-proton/pull/309#discussion_r615454611



##########
File path: cpp/src/delivery_test.cpp
##########
@@ -0,0 +1,115 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include <proton/connection.hpp>
+#include <proton/connection_options.hpp>
+#include <proton/container.hpp>
+#include <proton/delivery.hpp>
+#include <proton/link.hpp>
+#include <proton/listen_handler.hpp>
+#include <proton/listener.hpp>
+#include <proton/message.hpp>
+#include <proton/message_id.hpp>
+#include <proton/messaging_handler.hpp>
+#include <proton/tracker.hpp>
+#include <proton/types.hpp>
+#include <proton/value.hpp>
+
+#include "proton/error_condition.hpp"
+#include "proton/internal/pn_unique_ptr.hpp"
+#include "proton/receiver_options.hpp"
+#include "proton/transport.hpp"
+#include "proton/work_queue.hpp"
+#include "test_bits.hpp"
+
+#include <iostream>
+#include <map>
+
+#include <cstdio>
+#include <cstdlib>
+#include <ctime>
+#include <sstream>
+#include <string>
+
+class direct_recv : public proton::messaging_handler {
+  private:
+    class listener_ready_handler : public proton::listen_handler {
+        void on_open(proton::listener &l) PN_CPP_OVERRIDE {
+            std::cout << "listening on " << l.port() << std::endl;
+        }
+    };
+
+    std::string url;
+    proton::listener listener;
+    listener_ready_handler listen_handler;
+
+  public:
+    direct_recv(const std::string &s) : url(s) {}
+
+    void on_container_start(proton::container &c) PN_CPP_OVERRIDE {
+        listener = c.listen(url, listen_handler);
+    }
+
+    void on_message(proton::delivery &d, proton::message &msg) PN_CPP_OVERRIDE {
+
+        std::cout << msg.body() << std::endl;
+        d.receiver().close();
+        d.connection().close();
+        listener.stop();
+    }
+};
+
+class simple_send : public proton::messaging_handler {
+  private:
+    std::string url;
+    proton::sender sender;
+
+  public:
+    simple_send(const std::string &s) : url(s) {}
+
+    void on_container_start(proton::container &c) PN_CPP_OVERRIDE {
+        proton::connection_options co;
+        sender = c.open_sender(url, co);
+    }
+
+    void on_sendable(proton::sender &s) PN_CPP_OVERRIDE {
+        proton::message msg;
+        std::string m = "testing";
+        msg.body(m);
+        s.send(msg);
+    }
+};
+
+int test_delivery() {
+    std::string address("127.0.0.1:5672/examples");
+    direct_recv recv(address);
+    proton::container(recv).run();

Review comment:
       I tried using the first approach as you suggested i.e. to start the receiver in a new thread. In addition, I had to use `condition_variable` just to make sure that the listener thread is ready before the sender sends the message. It seems to be working fine now. Thanks!!




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