com.uber.tchannel.ping.PingServer Maven / Gradle / Ivy

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/*
 * Copyright (c) 2015 Uber Technologies, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.uber.tchannel.ping;

import com.uber.tchannel.api.TChannel;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;

import java.net.InetAddress;

public class PingServer {

    private int port;

    public PingServer(int port) {
        this.port = port;
    }

    public static void main(String[] args) throws Exception {
        Options options = new Options();
        options.addOption("p", "port", true, "Server Port to connect to");
        options.addOption("?", "help", false, "Usage");
        HelpFormatter formatter = new HelpFormatter();

        CommandLineParser parser = new DefaultParser();
        CommandLine cmd = parser.parse(options, args);

        if (cmd.hasOption("?")) {
            formatter.printHelp("PingClient", options, true);
            return;
        }

        int port = Integer.parseInt(cmd.getOptionValue("p", "8888"));

        System.out.println(String.format("Starting server on port: %d", port));
        new PingServer(port).run();
        System.out.println("Stopping server...");
    }

    public void run() throws Exception {
        TChannel tchannel = new TChannel.Builder("ping-server")
                .setServerHost(InetAddress.getLoopbackAddress())
                .setServerPort(port)
                .build();
        tchannel.makeSubChannel("ping-server")
            .register("ping", new PingRequestHandler());

        tchannel.listen().channel().closeFuture().sync();
    }
}