Sending a Message
Function
This API is used to send a message.
Calling Method
For details, see Calling APIs.
URI
POST /v2/{engine}/{project_id}/instances/{instance_id}/messages
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
engine |
Yes |
String |
Definition: Engine. Constraints: N/A Range: N/A Default Value: N/A |
project_id |
Yes |
String |
Definition: Project ID. For details, see Obtaining a Project ID. Constraints: N/A Range: N/A Default Value: N/A |
instance_id |
Yes |
String |
Definition: Instance ID. To obtain it, log in to the RocketMQ console and find the instance ID on the RocketMQ instance details page. Constraints: N/A Range: N/A Default Value: N/A |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
topic |
No |
String |
Definition: Topic name. Range: N/A |
body |
No |
String |
Definition: Message content. Range: N/A |
property_list |
No |
Array of SendMessageProperties objects |
Definition: Feature list. Range: N/A |
msg_id |
No |
String |
Definition: Message ID. Range: N/A |
queue_id |
No |
Number |
Definition: Queue ID. Range: N/A |
queue_offset |
No |
Number |
Definition: Queue offset. Range: N/A |
broker_name |
No |
String |
Definition: Broker name. Range: N/A |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
topic |
String |
Definition: Topic name. Range: N/A |
body |
String |
Definition: Message content. Range: N/A |
property_list |
Array of SendMessageProperties objects |
Definition: Feature list. Range: N/A |
msg_id |
String |
Definition: Message ID. Range: N/A |
queue_id |
Number |
Definition: Queue ID. Range: N/A |
queue_offset |
Number |
Definition: Queue offset. Range: N/A |
broker_name |
String |
Definition: Broker name. Range: N/A |
Example Requests
Sending a message
POST https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/messages?topic={topic}
Example Responses
Status code: 200
Successful
{ "topic" : "aaaaaaaaaaaa", "body" : "test", "property_list" : [ ], "msg_id" : "644F0E2A315323EAB33D8F4733110009", "queue_id" : 0, "queue_offset" : 0, "broker_name" : "broker-0" }
SDK Sample Code
The SDK sample code is as follows.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 |
package com.huaweicloud.sdk.test; import com.huaweicloud.sdk.core.auth.ICredential; import com.huaweicloud.sdk.core.auth.BasicCredentials; import com.huaweicloud.sdk.core.exception.ConnectionException; import com.huaweicloud.sdk.core.exception.RequestTimeoutException; import com.huaweicloud.sdk.core.exception.ServiceResponseException; import com.huaweicloud.sdk.rocketmq.v2.region.RocketMQRegion; import com.huaweicloud.sdk.rocketmq.v2.*; import com.huaweicloud.sdk.rocketmq.v2.model.*; public class SendMessageSolution { public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment String ak = System.getenv("CLOUD_SDK_AK"); String sk = System.getenv("CLOUD_SDK_SK"); String projectId = "{project_id}"; ICredential auth = new BasicCredentials() .withProjectId(projectId) .withAk(ak) .withSk(sk); RocketMQClient client = RocketMQClient.newBuilder() .withCredential(auth) .withRegion(RocketMQRegion.valueOf("<YOUR REGION>")) .build(); SendMessageRequest request = new SendMessageRequest(); request.withEngine("{engine}"); request.withInstanceId("{instance_id}"); SendMessageResp body = new SendMessageResp(); request.withBody(body); try { SendMessageResponse response = client.sendMessage(request); System.out.println(response.toString()); } catch (ConnectionException e) { e.printStackTrace(); } catch (RequestTimeoutException e) { e.printStackTrace(); } catch (ServiceResponseException e) { e.printStackTrace(); System.out.println(e.getHttpStatusCode()); System.out.println(e.getRequestId()); System.out.println(e.getErrorCode()); System.out.println(e.getErrorMsg()); } } } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 |
# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkrocketmq.v2.region.rocketmq_region import RocketMQRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkrocketmq.v2 import * if __name__ == "__main__": # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] projectId = "{project_id}" credentials = BasicCredentials(ak, sk, projectId) client = RocketMQClient.new_builder() \ .with_credentials(credentials) \ .with_region(RocketMQRegion.value_of("<YOUR REGION>")) \ .build() try: request = SendMessageRequest() request.engine = "{engine}" request.instance_id = "{instance_id}" request.body = SendMessageResp( ) response = client.send_message(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 |
package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" rocketmq "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/region" ) func main() { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security. // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment ak := os.Getenv("CLOUD_SDK_AK") sk := os.Getenv("CLOUD_SDK_SK") projectId := "{project_id}" auth := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). Build() client := rocketmq.NewRocketMQClient( rocketmq.RocketMQClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.SendMessageRequest{} request.Engine = "{engine}" request.InstanceId = "{instance_id}" request.Body = &model.SendMessageResp{ } response, err := client.SendMessage(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
Status Code |
Description |
---|---|
200 |
Successful |
Error Codes
See Error Codes.
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.
For any further questions, feel free to contact us through the chatbot.
Chatbot