This topic describes the sample code for sending and receiving messages by using Apache RocketMQ 5.x SDK for C++.
Message type | Sample code for sending messages | Sample code for receiving messages | |
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Parameters
Parameter | Example | Description |
access_point | rmq-cn-xxx.{regionId}.rmq.aliyuncs.com:8080 | The endpoint of the ApsaraMQ for RocketMQ instance. For information about how to obtain the endpoint, see Obtain the endpoint of an instance.
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topic | normal_test | The topic to which messages are sent or from which messages are consumed in the ApsaraMQ for RocketMQ instance. You must create the topic on the ApsaraMQ for RocketMQ instance in advance. For more information, see Create a topic. |
group | GID_test | The consumer group that is used by consumers to consume messages in the ApsaraMQ for RocketMQ instance. You must create the consumer group on the ApsaraMQ for RocketMQ instance in advance. For more information, see Create a consumer group. |
access_key | 1XVg0hzgKm****** | The username of the ApsaraMQ for RocketMQ instance. If you access the instance over the Internet, you must specify the username. If you access the instance in a VPC, you need to specify the username only if the instance is a serverless instance and the authentication-free in VPCs feature is disabled for the instance. For information about how to obtain the username, see Obtain the username and password of an instance. |
access_secret | ijSt8rEc45****** | The password of the ApsaraMQ for RocketMQ instance. If you access the instance over the Internet, you must specify the password. If you access the instance in a VPC, you need to specify the password only if the instance is a serverless instance and the authentication-free in VPCs feature is disabled for the instance. For information about how to obtain the password, see Obtain the username and password of an instance. |