How to catch 410 error from `postToConnection` call via golang aws sdk?

Question content

I am using websocket apigateway in AWS to manage websocket connections. There are situations where the connection is disconnected but the @disconnect route is not triggered. In this case, the postToConnection api call will return a 410 error.

I am using golang sdk github.com/aws/aws-sdk-go-v2/service/apigatewaymanagementapi. postToConnection API returned PostToConnectionOutput with error . How to detect if an error is a 410 error?

Correct answer

You can check that the returned error is goneexceptiontype

See https://aws.github.io /aws-sdk-go-v2/docs/handling-errors/

import(
      api "github.com/aws/aws-sdk-go-v2/service/apigatewaymanagementapi"
      apitypes "github.com/aws/aws-sdk-go-v2/service/apigatewaymanagementapi/types"
    )
    


    func main() {
        
        svc := api.New(api.Options{
            Region: "your-region",
        })
    
        output, err := svc.PostToConnection(ctx, &api.PostToConnectionInput{
            ConnectionId: aws.String("your-connection-id"),
        })
    
        if err != nil {
            var gne *apitypes.GoneException
            if errors.As(err, &gne) {
                log.Println("error:", gne.Error())
            }
            return
        }
    }

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