/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.mj.impl.socket;

import java.io.IOException;

import javax.microedition.io.*;

import com.nokia.mj.impl.gcf.utils.*;

import com.nokia.mj.impl.utils.Logger;

import com.nokia.mj.impl.connectionmanager.ConnectionManager;

import com.nokia.mj.impl.connectionmanager.AccessPoint;

import com.nokia.mj.impl.rt.support.ApplicationInfo;

import com.nokia.mj.impl.utils.Uid;

/**

 * Socket Server Connection Implementation class.

 */

public class ServerSocketConnectionImpl implements ServerSocketConnection

{

    private int iMode;

    private int iNativeHandle;

    private int iPort;

    private UrlParser iUri;

    private boolean iConnectionOpen = false;

    private int iSockDesc;

    private int iSocketServerFactoryHandle;

    private ConnectionManager cminstance = null;

    private AccessPoint apn = null;

    /**

     * Constructs the ServerSocketConnectionImpl.

     *

     * @param uri

     *            the uri on which this server socket is opened

     * @param mode

     *            the with which server connection is opened

     */

    public ServerSocketConnectionImpl(UrlParser aUri, int aMode)

    throws IOException

    {

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   " + ServerSocketConnectionImpl: ServerSocketConnectionImpl");

        iMode = aMode;

        if (aUri.port == -1) // socket://:

            iPort = 0;

        else

            iPort = aUri.port;

        iUri = aUri;

        int ret[] = new int[1];

        iNativeHandle = _createSocketServerNativePeer(iUri.toString(), aMode,

                        iPort, ret);

        iSocketServerFactoryHandle = ret[0];

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   " iSocketServerFactory returned is "

                   + iSocketServerFactoryHandle);

        if (iNativeHandle == 0)

        {

            // push exception was thrown since for this url, push connection is

            // already registered

            throw new IOException(

                "Unable to open serversocket connection: failed to create native peer");

        }

        iSockDesc = _openServerSocket(iNativeHandle,

                                      iSocketServerFactoryHandle, iUri.toString());

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "SocketDescriptor returned is " + iSockDesc);

        if (iSockDesc < 0)

        {

            throw new IOException(

                "Unable to open serversocket connection. POSIX error code: "

                + iSockDesc);

        }

        iConnectionOpen = true;

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   " - ServerSocketConnectionImpl: ServerSocketConnectionImpl");

    }

    /**

     * Get the local socket address of this connection.

     *

     * @return the local address

     * @throws IOException

     *             in case of any IO errors

     */

    public String getLocalAddress() throws IOException

    {

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "+SocketServerConnectionImpl::getLocalAddress \n");

        String addr[] = new String[1];

        if (iConnectionOpen == false)

        {

            throw new IOException(

                "getLocalAddress failed: connection is already closed");

        }

        int apId = -1;

        int apType = -1;

        try

        {

            Uid appSuite = ApplicationInfo.getInstance().getSuiteUid();

            cminstance = ConnectionManager.getInstance();

            AccessPoint apn = cminstance.getApplicationDefault(appSuite);

            if (apn != null)

            {

                apId = apn.getNapId();

                apType = apn.getType();

                if ((apType!=AccessPoint.NAP_SNAP) && (apType!=AccessPoint.NAP_IAP))

                {

                    apType = -1;

                    apId = -1;

                }

                Logger.LOG(Logger.ESOCKET, Logger.EInfo,

            }

        }

        catch (Exception e)

        {

        }

        int retValue = _getLocalAddress(iNativeHandle, iSockDesc, apId, apType, addr);

        if (retValue < 0)

        {

            throw new IOException(

                "getLocalAddress failed. POSIX error code: "

                + retValue);

        }

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "-SocketServerConnectionImpl::getLocalAddress()");

        return addr[0];

    }

    /**

     * Get the local port of this connection.

     *

     * @return the local port

     * @throws IOException

     *             in case of any IO errors

     */

    public int getLocalPort() throws IOException

    {

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "+SocketServerConnectionImpl::getLocalPort\n");

        if (iConnectionOpen == false)

        {

            throw new IOException(

                "getLocalPort failed: connection is already closed");

        }

        int result = _getLocalPort(iNativeHandle, iSockDesc);

        if (result < 0)

        {

            throw new IOException(

                "getLocalPort failed. POSIX error code: " + result);

        }

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "-SocketServerConnectionImpl::getLocalPort\n");

        return result;

    }

    /**

     * Wait for an incoming connection.

     *

     * @return the accepted incoming stream connection

     * @throws IOException

     *             in case of any IO errors

     */

    synchronized public StreamConnection acceptAndOpen() throws IOException

    {

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "+ServerSocketConnectionImpl::acceptAndOpen \n");

        if (iConnectionOpen == false)

        {

            throw new IOException(

                "acceptAndOpen failed: connection is already closed");

        }

        int sockDesc = -1;

        sockDesc = _accept(iNativeHandle);

        if (sockDesc < 0)

        {

            throw new IOException(

                "acceptAndOpen failed. POSIX error code: " + sockDesc);

        }

        if (iPort == 0)

            iPort = getLocalPort();

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "+ServerSocketConnectionImpl::acceptAndOpen - dynamic port = "

                   + iPort);

        SocketConnectionImpl con = new SocketConnectionImpl(iUri, iMode,

                sockDesc, cminstance, apn);

        Logger.LOG(Logger.ESOCKET, Logger.EInfo, "sockDesc:" + sockDesc);

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "-SocketServerConnectionImpl::acceptAndOpen \n");

        return con;

    }

    /**

     * Close the socket connection.

     */

    public void close() throws IOException

    {

        if (iConnectionOpen == false)

        {

            return;

        }

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "+SocketServerConnectionImpl::Close \n");

        int ret = _close(iNativeHandle, iSocketServerFactoryHandle, iUri

                         .toString(), iSockDesc);

        if (ret != 0)

        {

            throw new IOException("Close failed. POSIX error code:: "

                                  + ret);

        }

        iConnectionOpen = false;

        Logger.LOG(Logger.ESOCKET, Logger.EInfo,

                   "-SocketServerConnectionImpl::Close \n");

    }

    private native int _createSocketServerNativePeer(String uri, int mode,

            int port, int[] sd);

    private native int _getLocalPort(int iNativeHandle, int iSockDesc);

    private native int _accept(int iNativeHandle);

    private native int _getLocalAddress(int iNativeHandle, int iSockDesc,int midletIapId,int apType,

                                        String[] addr);

    private native int _close(int iNativeHandle,

                              int iSocketServerFactoryHandle, String urls, int iSockDesc);

    private native int _openServerSocket(int iNativeHandle,

                                         int iSocketServerFactoryHandle, String url);

}