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• SdkHttpRequestExecutor.java

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com.amazonaws.http.protocol.SdkHttpRequestExecutor Maven / Gradle / Ivy

/*
 * Copyright 2010-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package com.amazonaws.http.protocol;

import java.io.IOException;
import java.net.Socket;

import org.apache.http.HttpClientConnection;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.conn.ManagedHttpClientConnection;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpRequestExecutor;

import com.amazonaws.internal.SdkMetricsSocket;
import com.amazonaws.internal.SdkSSLMetricsSocket;
import com.amazonaws.util.AWSRequestMetrics;
import com.amazonaws.util.AWSRequestMetrics.Field;

/**
 * Used to capture the http send-request and receive-response latency metrics
 * of the http client library, with no retries involved.
 */
public class SdkHttpRequestExecutor extends HttpRequestExecutor {
    @Override
    protected HttpResponse doSendRequest(
        final HttpRequest request,
        final HttpClientConnection conn,
        final HttpContext context)
        throws IOException, HttpException {
        AWSRequestMetrics awsRequestMetrics = (AWSRequestMetrics) context
            .getAttribute(AWSRequestMetrics.SIMPLE_NAME);

        if (awsRequestMetrics == null) {
            return super.doSendRequest(request, conn, context);
        }
        if (conn instanceof ManagedHttpClientConnection) {
            ManagedHttpClientConnection managedConn = (ManagedHttpClientConnection)conn;
            Socket sock = managedConn.getSocket();
            if (sock instanceof SdkMetricsSocket) {
                SdkMetricsSocket sdkMetricsSocket = (SdkMetricsSocket)sock;
                sdkMetricsSocket.setMetrics(awsRequestMetrics);
            } else if (sock instanceof SdkSSLMetricsSocket) {
                SdkSSLMetricsSocket sdkSSLMetricsSocket = (SdkSSLMetricsSocket)sock;
                sdkSSLMetricsSocket.setMetrics(awsRequestMetrics);
            }
        }
        awsRequestMetrics.startEvent(Field.HttpClientSendRequestTime);
        try {
            return super.doSendRequest(request, conn, context);
        } finally {
            awsRequestMetrics.endEvent(Field.HttpClientSendRequestTime);
        }
    }

    @Override
    protected HttpResponse doReceiveResponse(
        final HttpRequest          request,
        final HttpClientConnection conn,
        final HttpContext          context)
        throws HttpException, IOException {
        AWSRequestMetrics awsRequestMetrics = (AWSRequestMetrics) context
            .getAttribute(AWSRequestMetrics.SIMPLE_NAME);
        if (awsRequestMetrics == null) {
            return super.doReceiveResponse(request, conn, context);
        }
        awsRequestMetrics.startEvent(Field.HttpClientReceiveResponseTime);
        try {
            return super.doReceiveResponse(request, conn, context);
        } finally {
            awsRequestMetrics.endEvent(Field.HttpClientReceiveResponseTime);
        }
    }
}