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 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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 * GPL Classpath Exception:
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/*
 * @(#)HttpTunnelSocket.java	1.5 06/28/07
 */ 

package com.sun.messaging.jmq.transport.httptunnel;

import java.io.*;
import java.net.InetAddress;
import java.net.UnknownHostException;
import com.sun.messaging.jmq.transport.httptunnel.client.*;
import java.util.Hashtable;

/**
 * This class implements socket-like interface for the HTTP tunnel
 * connections.
 */
public class HttpTunnelSocket {
    private HttpTunnelConnection conn = null;

    private InputStream is = null;
    private OutputStream os = null;
    private boolean sockClosed = false;

    /**
     * Creates a socket and establishes a connection with the specified
     * server address.
     */
    public HttpTunnelSocket(String serverAddr) throws IOException {
        HttpTunnelClientDriver wire = new HttpTunnelClientDriver(serverAddr);
        conn = wire.doConnect();
        initSocket();
    }

    /**
     * Creates a socket with a given HTTP tunnel connection. Used
     * internally by the server socket (accept) implementation.
     */
    protected HttpTunnelSocket(HttpTunnelConnection conn) {
        this.conn = conn;
        initSocket();
    }

    protected void initSocket() {
        is = null; // Will be created on demand
        os = null; // Will be created on demand
        sockClosed = false;
    }

    /**
     * Returns an input stream for this socket.
     */
    public synchronized InputStream getInputStream() throws IOException {
        if (sockClosed) {
            throw new IOException("Socket closed");
        }
        if (is == null)
            is = new HttpTunnelInputStream(conn);
        return is;
    }

    /**
     * Returns an output stream for this socket.
     */
    public synchronized OutputStream getOutputStream() throws IOException {
        if (sockClosed) {
            throw new IOException("Socket closed");
        }
        if (os == null)
            os = new HttpTunnelOutputStream(conn);
        return os;
    }

    /**
     * Close this socket.
     */
    public synchronized void close() throws IOException {
        if (is != null)
            is.close();
        if (os != null)
            os.close();
        sockClosed = true;
        conn.closeConn();
    }

    /**
     * Get the unique connection ID.
     */
    public int getConnId() {
        return conn.getConnId();
    }

    public InetAddress getRemoteAddress() 
        throws UnknownHostException, SecurityException { 

        HttpTunnelConnection c = conn;
        if (c == null || c.getRemoteAddr() == null) return null;
        return InetAddress.getByName(c.getRemoteAddr());
    }

    public int getPullPeriod() {
        return conn.getPullPeriod();
    }

    public void setPullPeriod(int pullPeriod) throws IOException {
        conn.setPullPeriod(pullPeriod);
    }

    public int getConnectionTimeout() {
        return conn.getConnectionTimeout();
    }

    public void setConnectionTimeout(int connectionTimeout)
        throws IOException {
        conn.setConnectionTimeout(connectionTimeout);
    }

    public Hashtable getDebugState() {
        return conn.getDebugState();
    }
}

/*
 * EOF
 */
