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source/third_party/rocketmq-client-cpp-2.2.0-source-release/example/PushConsumeMessage.c

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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 <stdio.h>
+#include "CCommon.h"
+#include "CMessageExt.h"
+#include "CPushConsumer.h"
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <memory.h>
+#include <unistd.h>
+#endif
+
+void thread_sleep(unsigned milliseconds) {
+#ifdef _WIN32
+  Sleep(milliseconds);
+#else
+  usleep(milliseconds * 1000);  // takes microseconds
+#endif
+}
+
+int doConsumeMessage(struct CPushConsumer* consumer, CMessageExt* msgExt) {
+  printf("Hello,doConsumeMessage by Application!\n");
+  printf("Msg Topic:%s\n", GetMessageTopic(msgExt));
+  printf("Msg Tags:%s\n", GetMessageTags(msgExt));
+  printf("Msg Keys:%s\n", GetMessageKeys(msgExt));
+  printf("Msg Body:%s\n", GetMessageBody(msgExt));
+  return E_CONSUME_SUCCESS;
+}
+
+int main(int argc, char* argv[]) {
+  int i = 0;
+  printf("PushConsumer Initializing....\n");
+  CPushConsumer* consumer = CreatePushConsumer("Group_Consumer_Test");
+  SetPushConsumerNameServerAddress(consumer, "172.17.0.2:9876");
+  Subscribe(consumer, "T_TestTopic", "*");
+  RegisterMessageCallback(consumer, doConsumeMessage);
+  StartPushConsumer(consumer);
+  printf("Push Consumer Start...\n");
+  for (i = 0; i < 10; i++) {
+    printf("Now Running : %d S\n", i * 10);
+    thread_sleep(10000);
+  }
+  ShutdownPushConsumer(consumer);
+  DestroyPushConsumer(consumer);
+  printf("PushConsumer Shutdown!\n");
+  return 0;
+}