com.fuzhouxiu.coretransfer.net.core.TcpSocket.java Source code

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/*
 * Copyright (C) 2005 Luca Veltri - University of Parma - Italy
 * Copyright (C) 2009 The Sipdroid Open Source Project
 * 
 * This file is part of MjSip (http://www.mjsip.org)
 * 
 * MjSip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * MjSip is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with MjSip; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Author(s):
 * Luca Veltri (luca.veltri@unipr.it)
 */

package com.fuzhouxiu.coretransfer.net.core;

import java.net.InetSocketAddress;
import java.net.Socket; // import java.net.InetAddress;
import java.io.InputStream;
import java.io.OutputStream;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;

import org.apache.http.conn.ssl.SSLSocketFactory;

/**
 * TcpSocket provides a uniform interface to TCP transport protocol, regardless
 * J2SE or J2ME is used.
 */
public class TcpSocket {
    /** Socket */
    Socket socket;

    /** Creates a new TcpSocket */
    TcpSocket() {
        socket = null;
    }

    /** Creates a new TcpSocket */
    TcpSocket(Socket sock) {
        socket = sock;
    }

    static boolean lock;

    /** Creates a new UdpSocket */
    public TcpSocket(IpAddress ipaddr, int port, String host) throws java.io.IOException {
        //      socket = new Socket(ipaddr.getInetAddress(), port); modified
        SSLSocketFactory f = (SSLSocketFactory) SSLSocketFactory.getSocketFactory();
        if (host == null)
            socket = new Socket();
        else
            socket = f.createSocket();
        if (lock)
            throw new java.io.IOException();
        lock = true;
        try {
            socket.connect(new InetSocketAddress(ipaddr.toString(), port),
                    Thread.currentThread().getName().equals("main") ? 1000 : 10000);
        } catch (java.io.IOException e) {
            lock = false;
            throw e;
        }
        if (host != null) {
            HostnameVerifier hv = HttpsURLConnection.getDefaultHostnameVerifier();
            SSLSession s = ((SSLSocket) socket).getSession();
            if (!hv.verify(host, s)) {
                lock = false;
                throw new java.io.IOException();
            }
        }
        lock = false;
    }

    /** Closes this socket. */
    public void close() throws java.io.IOException {
        socket.close();
    }

    /** Gets the address to which the socket is connected. */
    public IpAddress getAddress() {
        return new IpAddress(socket.getInetAddress());
    }

    /** Gets an input stream for this socket. */
    public InputStream getInputStream() throws java.io.IOException {
        return socket.getInputStream();
    }

    /** Gets the local address to which the socket is bound. */
    public IpAddress getLocalAddress() {
        return new IpAddress(socket.getLocalAddress());
    }

    /** Gets the local port to which this socket is bound. */
    public int getLocalPort() {
        return socket.getLocalPort();
    }

    /** Gets an output stream for this socket. */
    public OutputStream getOutputStream() throws java.io.IOException {
        return socket.getOutputStream();
    }

    /** Gets the remote port to which this socket is connected. */
    public int getPort() {
        return socket.getPort();
    }

    /** Gets the socket timeout. */
    public int getSoTimeout() throws java.net.SocketException {
        return socket.getSoTimeout();
    }

    /** Enables/disables the socket timeou, in milliseconds. */
    public void setSoTimeout(int timeout) throws java.net.SocketException {
        socket.setSoTimeout(timeout);
    }

    /** Converts this object to a String. */
    public String toString() {
        return socket.toString();
    }

}