com.ahanda.techops.noty.clientTest.Client.java Source code

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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.ahanda.techops.noty.clientTest;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpObjectAggregator;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;

import java.io.IOException;
import java.net.URI;

import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.ahanda.techops.noty.Config;
import com.ahanda.techops.noty.NotyConstants;
import com.fasterxml.jackson.databind.JsonNode;

/**
 * A simple HTTP client that prints out the content of the HTTP response to {@link System#out} to test
 * {@link HttpSnoopServer}.
 */
public final class Client {
    static final String URL = System.getProperty("url", "http://127.0.0.1:8080/events");

    static final Logger l = LoggerFactory.getLogger(Client.class);

    public static void main(String[] args) throws Exception {
        if (args.length == 1) {
            System.setProperty("PINT.conf", args[0]);
        }

        if (System.getProperty("PINT.conf") == null)
            throw new IllegalArgumentException();

        JsonNode config = null;
        Config cf = Config.getInstance();
        cf.setupConfig();

        String scheme = "http";
        String host = cf.getHttpHost();
        int port = cf.getHttpPort();

        if (port == -1) {
            port = 8080;
        }

        if (!"http".equalsIgnoreCase(scheme)) {
            l.warn("Only HTTP 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 ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline p = ch.pipeline();
                    p.addLast(new HttpClientCodec());
                    // p.addLast( "decoder", new HttpResponseDecoder());
                    // p.addLast( "encoder", new HttpRequestEncoder());

                    // Remove the following line if you don't want automatic content decompression.
                    // p.addLast(new HttpContentDecompressor());

                    // Uncomment the following line if you don't want to handle HttpContents.
                    p.addLast(new HttpObjectAggregator(10485760));

                    p.addLast(new ClientHandler());
                }
            });

            // Make the connection attempt.
            Channel ch = b.connect(host, port).sync().channel();

            ClientHandler client = new ClientHandler();
            client.login(ch, ClientHandler.credential);
            // ClientHandler.pubEvent( ch, ClientHandler.event );

            // Wait for the server to close the connection.
            ch.closeFuture().sync();
            l.info("Closing Client side Connection !!!");
        } finally {
            // Shut down executor threads to exit.
            group.shutdownGracefully();
        }
    }
}