com.digisky.stresstest.HttpSnoopClient.java Source code

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Here is the source code for com.digisky.stresstest.HttpSnoopClient.java

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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.digisky.stresstest;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.multipart.HttpPostRequestEncoder;
import io.netty.handler.codec.http.multipart.HttpPostRequestEncoder.ErrorDataEncoderException;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;

import java.net.URI;

/**
 * A simple HTTP client that prints out the content of the HTTP response to
 * {@link System#out} to test {@link HttpSnoopServer}.
 */
public final class HttpSnoopClient {

    static final String URL = System.getProperty("url", "http://127.0.0.1:8080/");
    static URI uri = null;

    public static void main(String[] args) throws Exception {
        uri = new URI(URL);
        String scheme = uri.getScheme() == null ? "http" : uri.getScheme();
        String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
        int port = uri.getPort();
        if (port == -1) {
            if ("http".equalsIgnoreCase(scheme)) {
                port = 80;
            } else if ("https".equalsIgnoreCase(scheme)) {
                port = 443;
            }
        }

        if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
            System.err.println("Only HTTP(S) is supported.");
            return;
        }

        // Configure SSL context if necessary.
        final boolean ssl = "https".equalsIgnoreCase(scheme);
        final SslContext sslCtx;
        if (ssl) {
            sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
        } else {
            sslCtx = null;
        }

        // Configure the client.
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group).channel(NioSocketChannel.class).handler(new HttpSnoopClientInitializer(sslCtx));

            // Make the connection attempt.
            System.out.println("try to connect!");
            ChannelFuture f = b.connect(host, port);
            f.addListener(new ChannelFutureListener() {
                public void operationComplete(ChannelFuture future) {
                    // Perform post-closure operation
                    // ...
                    System.out.println("complete!");
                    if (!future.isSuccess()) {
                        // You might get a NullPointerException here because the future
                        // might not be completed yet.
                        future.cause().printStackTrace();
                    } else {
                        System.out.println("ok!!!!");
                    }
                }
            });
        } finally {
            group.shutdownGracefully();
        }
    }

    public static void test(Channel ch, String uri, String sjson) {
        HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "/");
        request.headers().set(HttpHeaders.Names.HOST, "127.0.0.1");
        request.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.CLOSE);
        request.headers().set(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);

        request.setMethod(HttpMethod.POST);
        request.setUri("/" + uri);
        HttpPostRequestEncoder bodyRequestEncoder = null;
        try {
            bodyRequestEncoder = new HttpPostRequestEncoder(request, false);
        } catch (ErrorDataEncoderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } // false => not multipart
          //***********************************************************************
        try {
            bodyRequestEncoder.addBodyAttribute("val", sjson);
        } catch (ErrorDataEncoderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        //***********************************************************************
        try {
            request = bodyRequestEncoder.finalizeRequest();
        } catch (ErrorDataEncoderException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        ch.writeAndFlush(request);
        try {
            ch.closeFuture().sync();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}