Tencent Cloud

Prev Next

search by keyword

Recent Pages

Documentation

Download PDF

DescribeListeners

Last updated: 2024-09-05 19:28:44

Download PDF

1. API Description

Domain name for API request: clb.tencentcloudapi.com.

This API is used to get the list of listeners by CLB ID, listener protocol, or listener port. If no filter is specified, all listeners for the CLB instance will be returned.

A maximum of 20 requests can be initiated per second for this API.

We recommend you to use API Explorer

Try it

API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name	Required	Type	Description
Action	Yes	String	Common Params. The value used for this API: DescribeListeners.
Version	Yes	String	Common Params. The value used for this API: 2018-03-17.
Region	No	String	Common Params. This parameter is not required for this API.
LoadBalancerId	Yes	String	CLB instance ID.
ListenerIds.N	No	Array of String	Array of CLB listener IDs to query (100 IDs at most).
Protocol	No	String	Type of the listener protocols to be queried. Values: TCP`,` UDP`,` HTTP`,` HTTPS`,` TCP_SSL`and`QUIC`.
Port	No	Integer	Port of the listeners to be queried

3. Output Parameters

Parameter Name	Type	Description
Listeners	Array of Listener	Listener list
TotalCount	Integer	Total number of listeners (with filters of port, protocol, and listener ID applied). Note: This field may return `null`, indicating that no valid values can be obtained.
RequestId	String	The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Querying Listeners by Port, Protocol, and Listener ID

Input Example

https://clb.tencentcloudapi.com/?Action=DescribeListeners
&LoadBalancerId=lb-aniq7ewx
&Protocol=TCP
&Port=333
&ListenerIds.0=lbl-hd9nfp6o
&<Common request parameters>

Output Example

{
    "Response": {
        "TotalCount": 1,
        "Listeners": [
            {
                "ListenerId": "lbl-hd9nfp6o",
                "ListenerName": "12345",
                "CreateTime": "2020-12-31 12:03:36",
                "Protocol": "TCP",
                "Port": 333,
                "EndPort": 0,
                "HealthCheck": {
                    "HealthSwitch": 1,
                    "TimeOut": 2,
                    "IntervalTime": 5,
                    "HealthNum": 3,
                    "UnHealthNum": 3,
                    "CheckPort": null,
                    "CheckType": "TCP",
                    "HttpCheckDomain": null,
                    "HttpCheckPath": null,
                    "HttpCheckMethod": null,
                    "HttpVersion": null,
                    "HttpCode": null,
                    "ContextType": null,
                    "SendContext": null,
                    "RecvContext": null,
                    "ExtendedCode": null,
                    "SourceIpType": 0
                },
                "Certificate": null,
                "Scheduler": "WRR",
                "SessionExpireTime": 0,
                "SniSwitch": 0,
                "Rules": null,
                "TargetType": "NODE",
                "TargetGroup": null,
                "KeepaliveEnable": null,
                "SessionType": "NORMAL",
                "Toa": false,
                "DeregisterTargetRst": false,
                "MaxConn": 100,
                "MaxCps": 100,
                "IdleConnectTimeout": 0,
                "AttrFlags": [
                    "abc"
                ],
                "TargetGroupList": null
            }
        ],
        "RequestId": "3ddae670-4a89-4919-af6e-0d6bf195c92e"
    }
}

Example2 Querying the Information of All Listeners of a CLB Instance

Input Example

https://clb.tencentcloudapi.com/?Action=DescribeListeners
&LoadBalancerId=lb-aniq7ewx
&<Common request parameters>

Output Example

{
    "Response": {
        "TotalCount": 1,
        "Listeners": [
            {
                "ListenerId": "lbl-hd9nfp6o",
                "ListenerName": "12345",
                "CreateTime": "2020-12-31 12:03:36",
                "Protocol": "TCP",
                "Port": 333,
                "EndPort": 0,
                "HealthCheck": {
                    "HealthSwitch": 1,
                    "TimeOut": 2,
                    "IntervalTime": 5,
                    "HealthNum": 3,
                    "UnHealthNum": 3,
                    "CheckPort": null,
                    "CheckType": "TCP",
                    "HttpCheckDomain": null,
                    "HttpCheckPath": null,
                    "HttpCheckMethod": null,
                    "HttpVersion": null,
                    "HttpCode": null,
                    "ContextType": null,
                    "SendContext": null,
                    "RecvContext": null,
                    "ExtendedCode": null,
                    "SourceIpType": 0
                },
                "Certificate": null,
                "Scheduler": "WRR",
                "SessionExpireTime": 0,
                "SniSwitch": 0,
                "Rules": null,
                "TargetType": "NODE",
                "TargetGroup": null,
                "KeepaliveEnable": null,
                "SessionType": "NORMAL",
                "Toa": false,
                "DeregisterTargetRst": false,
                "MaxConn": 100,
                "MaxCps": 100,
                "IdleConnectTimeout": 0,
                "AttrFlags": [
                    "abc"
                ],
                "TargetGroupList": null
            }
        ],
        "RequestId": "3ddae670-4a89-4919-af6e-0d6bf195c92e"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

Tencent Cloud CLI 3.0

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code	Description
FailedOperation	Operation failed.
InternalError	Internal error.
InvalidParameter	Parameter error.
InvalidParameter.FormatError	Wrong parameter format.
InvalidParameter.LBIdNotFound	Wrong CLB instance ID.
InvalidParameter.RegionNotFound	Invalid region.
InvalidParameterValue	Incorrect parameter value.
InvalidParameterValue.InvalidFilter	Incorrect `Filter` parameter.
InvalidParameterValue.Length	Wrong parameter length.
UnauthorizedOperation	Unauthorized operation.

Contact Us

Contact our sales team or business advisors to help your business.

Technical Support

Open a ticket if you're looking for further assistance. Our Ticket is 7x24 avaliable.

7x24 Phone Support

tencent cloud

Recent Pages

DescribeListeners

1. API Description

2. Input Parameters

3. Output Parameters

4. Example

Example1 Querying Listeners by Port, Protocol, and Listener ID

Input Example

Output Example

Example2 Querying the Information of All Listeners of a CLB Instance

Input Example

Output Example

5. Developer Resources

SDK

Command Line Interface

6. Error Code

Was this page helpful?

Was this page helpful?

tencent cloud

Sign Up

Log in

Recent Pages

DescribeListeners

1. API Description

2. Input Parameters

3. Output Parameters

4. Example

Example1 Querying Listeners by Port, Protocol, and Listener ID

Input Example

Output Example

Example2 Querying the Information of All Listeners of a CLB Instance

Input Example

Output Example

5. Developer Resources

SDK

Command Line Interface

6. Error Code

Was this page helpful?

Was this page helpful?