/*

* Copyright (c) 2008 - 2009 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:  Comms server, part of Java platform 2.0 javappconverter process

*

*/

#include <iostream>

#include <unistd.h>

#include "comms.h"

#include "logger.h"

#include "javasymbianoslayer.h"

#include "convertserver.h"

using namespace java::comms;

using namespace std;

ConvertServer::ConvertServer()

{

}

ConvertServer::~ConvertServer()

{

    iInstallFiles.clear();

}

void ConvertServer::setInstallFiles(RPointerArray<HBufC> &aInstallFiles)

{

    JELOG2(EJavaConverters);

    // file index will contain the number of valid install file urls

    iFileIndex = 0;

    // clear the old install file paths if any

    iInstallFiles.clear();

    int nPointers = aInstallFiles.Count();

    iInstallFiles.reserve(nPointers);

    // index is decremented because iFileIndex will also be decremented when

    // installing -> total effect is that install files will be given to

    // Java Installer in the original order

    for (int i = nPointers - 1; i > -1; i--)

    {

        HBufC* pBuf = aInstallFiles[i];

        if (NULL == pBuf)

        {

            // skip this NULL pointer

            continue;

        }

        TPtr16 ptrName(pBuf->Des());

        // Convert each HBufC to std:wstring before adding to iInstallFiles

        iInstallFiles.push_back(std::wstring(desToWstring(ptrName)));

        iFileIndex++;

    }

    LOG1(EJavaConverters, EInfo, "ConvertServer: number of install files = %d", iFileIndex);

    iFilesTotal = iFileIndex;

}

int ConvertServer::start()

{

    LOG(EJavaConverters, EInfo,

        "ConvertServer:start called");

    iRunning = 1;

    iComms.registerDefaultListener(this);

    return iComms.start(IPC_ADDRESS_JAVA_APPCONVERTER_C);

}

int ConvertServer::stop()

{

    if (iRunning > 0)

    {

        iRunning = 0;

        iComms.unregisterDefaultListener(this);

        return iComms.stop();

    }

    else

    {

        return 0;

    }

}

/**

 * Communicates with Java Installer. The following messages are used.

 *

 * Message Name        Id      Contents

 *

 * Get Next Operation  500     None

 *

 * Operation           501     int operation   (install = 0, uninstall = 1, exit = 2)

 *                             String url      (present if operation = install)

 *                             String uid      (present if operation = uninstall)

 *                             int current     (1..total, present if operation = install

 *                                              and caller is appconverter)

 *                             int total       (total number of apps to convert, present

 *                                              if operation = install and caller is appconverter)

 *

 * Operation Result    502     int operation   (install = 0, uninstall = 1, exit = 2)

 *                             int result      (ok = 0, error codes are negative)

 *                             int uidCount    (present if operation = install, value = uids.length)

 *                             String[] uids   (present if operation = install)

 */

void ConvertServer::processMessage(CommsMessage& aMessage)

{

    LOG1(EJavaConverters, EInfo, "ConvertServer::processMessage, sender    = %d", aMessage.getSender());

    LOG1(EJavaConverters, EInfo, "ConvertServer::processMessage, messageId = %d", aMessage.getMessageId());

    LOG1(EJavaConverters, EInfo, "ConvertServer::processMessage, moduleId  = %d", aMessage.getModuleId());

    LOG1(EJavaConverters, EInfo, "ConvertServer::processMessage, messageRef= %d", aMessage.getMessageRef());

    switch (aMessage.getMessageId())

    {

    case GET_NEXT_OPERATION_MESSAGE_ID:

    {

        // Java Installer asks for the next install operation.

        // Reply with 'Operation' message.

        CommsMessage reply;

        reply.replyTo(aMessage);

        reply.setMessageId(OPERATION_MESSAGE_ID);

        iFileIndex--;

        if (iFileIndex <= -1)

        {

            // all install files have been handled, ask Java Installer to exit

            reply << EXIT_OPERATION;

            // Java Installer sends reply to 'exit' message and then

            // it exits which wakes up javaappconverter main thread

        }

        else

        {

            // ask Java Installer to install next

            int current = (iFilesTotal - iFileIndex);

            reply << INSTALL_OPERATION << iInstallFiles[iFileIndex] << current << iFilesTotal;

        }

        int err = iComms.send(reply);

        if (err != 0)

        {

            ELOG1(EJavaConverters,

                  "ConvertServer: Sending reply to Java Installer failed, err %d", err);

            // Propably Java Installer has crashed and the execution of

            // CSilentMIDletConvert is already proceeding. This server will

            // be stopped when the execution reaches EExit state.

        }

    }

    break;

    case OPERATION_RESULT_MESSAGE_ID:

    {

        // Log the result of the operation. Javaappconverter does not need

        // the Uids of the installed Java Applications so they are not

        // parsed.

        int operation;

        int result;

        aMessage >> operation >> result;

        LOG2(EJavaConverters, EInfo,

             "ConvertServer: operation = %d, result = %d", operation, result);

        if (result < 0)

        {

            // Conversion failed.

            ELOG2(EJavaConverters, "ConvertServer: Converting (installing) "

                  "application number %d failed with code %d",

                  (iFilesTotal - iFileIndex), result);

        }

    }

    break;

    default:

    {

        // Unknown message. Ignore it.

        WLOG1(EJavaConverters,

              "ConvertServer: Unknown message received. Msg Id = %d",

              aMessage.getMessageId());

    }

    break;

    }

}