Help Center/ Cloud Firewall/ API Reference/ API/ Log Analysis/ Querying the Traffic Trend
Updated on 2025-08-12 GMT+08:00

Querying the Traffic Trend

Function

This API is used to query the traffic trends, including north-south, east-west, and EIP traffic trends.

Calling Method

For details, see Calling APIs.

URI

GET /v1/{project_id}/cfw/logs/traffic-trend

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID, which is used to specify the project that an asset belongs to. You can query the assets of a project by project ID. You can obtain the project ID from the API or console. For details, see Obtaining a Project ID.

Constraints

N/A

Range

32-bit UUID.

Default Value

N/A

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

fw_instance_id

Yes

String

Definition

Firewall ID. It is a unique ID generated after a firewall instance is created. You can obtain the firewall ID by referring to Obtaining a Firewall ID.

Constraints

N/A

Range

32-bit UUID.

Default Value

N/A

range

No

Integer

Definition

Time range.

Constraints

N/A

Range

0 (last hour), 1 (last day), or 2 (last seven days)

Default Value

N/A

log_type

Yes

String

Definition

Log type.

Constraints

N/A

Range

internet (north-south logs), nat (NAT logs), vpc (east-west logs), or vgw (VGW logs)

Default Value

N/A

start_time

No

Long

Definition

Start time.

Constraints

N/A

Range

Milliseconds-level timestamp.

Default Value

N/A

end_time

No

Long

Definition

End time.

Constraints

N/A

Range

Milliseconds-level timestamp.

Default Value

N/A

vgw_id

No

Array of strings

Definition

VGW ID

Constraints

N/A

Range

32-bit UUID.

Default Value

N/A

agg_type

Yes

String

Definition

Aggregation type.

Constraints

N/A

Range

avg (average) or max (maximum value)

Default Value

N/A

ip

No

Array of strings

Definition

IP address list, which is used to check the traffic trend of IP addresses.

Constraints

N/A

Range

IP address.

Default Value

N/A

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

data

Array of TrafficTrendVO objects

Definition

Traffic trend data.

Range

N/A

Table 4 TrafficTrendVO

Parameter

Type

Description

agg_time

Long

Definition

Aggregation time point.

Range

N/A

bps

Double

Definition

bps

Range

N/A

in_bps

Double

Definition

Inbound bps.

Range

N/A

out_bps

Double

Definition

Outbound bps.

Range

N/A

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Definition

Error code.

Range

N/A

error_msg

String

Definition

Error message.

Range

N/A

Example Requests

Query the inter-VPC traffic trend of the firewall whose ID is c598d612-8112-465c-bffd-863d4ce85a50 in the project whose ID is a16df7cf1d094befa6bbc72cbf51e93a. The time range is the last seven days. The maximum values are aggregated.

https://{Endpoint}/v1/a16df7cf1d094befa6bbc72cbf51e93a/cfw/logs/traffic-trend?fw_instance_id=c598d612-8112-465c-bffd-863d4ce85a50&range=2&log_type=vpc&agg_type=max

Example Responses

Status code: 200

OK

{
  "data" : [ {
    "agg_time" : 1750299480000,
    "bps" : 0
  } ]
}

Status code: 400

Bad Request

{
  "error_code" : "CFW.00200007",
  "error_msg" : "Incorrect time range."
}

SDK Sample Code

The SDK sample code is as follows.

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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.cfw.v1.region.CfwRegion;
import com.huaweicloud.sdk.cfw.v1.*;
import com.huaweicloud.sdk.cfw.v1.model.*;


public class ShowTrafficTrendSolution {

    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);

        CfwClient client = CfwClient.newBuilder()
                .withCredential(auth)
                .withRegion(CfwRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowTrafficTrendRequest request = new ShowTrafficTrendRequest();
        try {
            ShowTrafficTrendResponse response = client.showTrafficTrend(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());
        }
    }
}
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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcfw.v1.region.cfw_region import CfwRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkcfw.v1 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 = CfwClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(CfwRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowTrafficTrendRequest()
        response = client.show_traffic_trend(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    cfw "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cfw/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cfw/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cfw/v1/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 := cfw.NewCfwClient(
        cfw.CfwClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ShowTrafficTrendRequest{}
	response, err := client.ShowTrafficTrend(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

OK

400

Bad Request

Error Codes

See Error Codes.