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source/third_party/rocketmq-client-cpp-2.2.0-source-release/example/OrderProducer.cpp

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+/*
+ * 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 <stdlib.h>
+#include <string.h>
+
+#include <condition_variable>
+#include <iomanip>
+#include <iostream>
+#include <thread>
+
+#include "common.h"
+
+using namespace rocketmq;
+
+std::condition_variable g_finished;
+std::mutex g_mtx;
+std::atomic<bool> g_quit(false);
+
+class SelectMessageQueueByHash : public MessageQueueSelector {
+ public:
+  MQMessageQueue select(const std::vector<MQMessageQueue>& mqs, const MQMessage& msg, void* arg) {
+    int orderId = *static_cast<int*>(arg);
+    int index = orderId % mqs.size();
+    return mqs[index];
+  }
+};
+
+SelectMessageQueueByHash g_mySelector;
+
+void ProducerWorker(RocketmqSendAndConsumerArgs* info, DefaultMQProducer* producer) {
+  while (!g_quit.load()) {
+    if (g_msgCount.load() <= 0) {
+      std::unique_lock<std::mutex> lck(g_mtx);
+      g_finished.notify_one();
+    }
+    MQMessage msg(info->topic,  // topic
+                  "*",          // tag
+                  info->body);  // body
+
+    int orderId = 1;
+    SendResult sendResult =
+        producer->send(msg, &g_mySelector, static_cast<void*>(&orderId), info->retrytimes, info->SelectUnactiveBroker);
+    --g_msgCount;
+  }
+}
+
+int main(int argc, char* argv[]) {
+  RocketmqSendAndConsumerArgs info;
+  if (!ParseArgs(argc, argv, &info)) {
+    exit(-1);
+  }
+
+  DefaultMQProducer producer("please_rename_unique_group_name");
+  PrintRocketmqSendAndConsumerArgs(info);
+
+  producer.setNamesrvAddr(info.namesrv);
+  producer.setNamesrvDomain(info.namesrv_domain);
+  producer.setGroupName(info.groupname);
+  producer.setInstanceName(info.groupname);
+
+  producer.start();
+
+  int msgcount = g_msgCount.load();
+  std::vector<std::shared_ptr<std::thread>> work_pool;
+
+  int threadCount = info.thread_count;
+  for (int j = 0; j < threadCount; j++) {
+    std::shared_ptr<std::thread> th = std::make_shared<std::thread>(ProducerWorker, &info, &producer);
+    work_pool.push_back(th);
+  }
+
+  auto start = std::chrono::system_clock::now();
+  {
+    std::unique_lock<std::mutex> lck(g_mtx);
+    g_finished.wait(lck);
+    g_quit.store(true);
+  }
+
+  auto end = std::chrono::system_clock::now();
+  auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
+
+  std::cout << "per msg time: " << duration.count() / (double)msgcount << "ms \n"
+            << "========================finished==============================\n";
+
+  for (size_t th = 0; th != work_pool.size(); ++th) {
+    work_pool[th]->join();
+  }
+
+  producer.shutdown();
+
+  return 0;
+}