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source/third_party/rocketmq-client-cpp-2.2.0-source-release/example/Producer.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 "CMessage.h"
+#include "CProducer.h"
+#include "CSendResult.h"
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <memory.h>
+#include <unistd.h>
+#endif
+
+void thread_sleep(unsigned int milliseconds) {
+#ifdef _WIN32
+  Sleep(milliseconds);
+#else
+  usleep(milliseconds * 1000);  // suspend execution for microsecond intervals
+#endif
+}
+
+void StartSendMessage(CProducer* producer) {
+  int i = 0;
+  char body[256];
+  CMessage* msg = CreateMessage("T_TestTopic");
+  SetMessageTags(msg, "Test_Tag");
+  SetMessageKeys(msg, "Test_Keys");
+  CSendResult result;
+  for (i = 0; i < 3; i++) {
+    memset(body, 0, sizeof(body));
+    snprintf(body, sizeof(body), "new message body, index %d", i);
+    SetMessageBody(msg, body);
+    int status = SendMessageSync(producer, msg, &result);
+    if (status == OK) {
+      printf("send message[%d] result status:%d, msgId:%s\n", i, (int)result.sendStatus, result.msgId);
+    } else {
+      printf("send message[%d] failed !\n", i);
+    }
+    thread_sleep(1000);
+  }
+  DestroyMessage(msg);
+}
+
+int main(int argc, char* argv[]) {
+  CProducer* producer = CreateProducer("Group_producer");
+  SetProducerNameServerAddress(producer, "127.0.0.1:9876");
+  StartProducer(producer);
+  printf("Producer initialized. \n");
+
+  StartSendMessage(producer);
+
+  ShutdownProducer(producer);
+  DestroyProducer(producer);
+  printf("Producer stopped !\n");
+
+  return 0;
+}