qthighway/xqserviceipc/xqserviceipc/xqserviceipc.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 02 Sep 2010 21:20:48 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, version 2.1 of the License.
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* 
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program.  If not, 
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
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*
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* Description:  IPC Client side implementation
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*
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*/
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#include "xqservicelog.h"
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#include "xqserviceipc.h"
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#include "xqserviceipc_p.h"
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#include "xqserviceipcfactory.h"
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namespace QtService
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{
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/*!
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    \class ServiceFwIPC
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    \brief Public interface class for IPC operations
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*/
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/*!
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    Destructor
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*/
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ServiceFwIPC::~ServiceFwIPC()
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::~ServiceFwIPC");
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    delete d;
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}
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/*!
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    Constructor.
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    \param aParent Parent to this QObject
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    \param aBackend IPC backend to use
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*/
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ServiceFwIPC::ServiceFwIPC(QObject* aParent, TServiceIPCBackends aBackend) :
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                           QObject(aParent), iAsyncRequestPending(false)
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::ServiceFwIPC");
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    // Private implementation pattern
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    //
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    d = ServiceFwIPCFactory::createBackend(aBackend);
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    d->q = this;
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}
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/*!
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    Connect to the server.
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    \param aServerName name of the server to connect to.
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    \return true if connected, false if not.
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*/
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bool ServiceFwIPC::connect(const QString& aServerName)
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::connect");
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    return d->connect(aServerName);
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}
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/*!
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    Disconnect from the server.
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*/
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void ServiceFwIPC::disconnect()
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::disconnect");
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    d->disconnect();
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}
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/*!
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    Starts the service.
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    \param aServerName Name of the server.
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    \param aExeName Executable of the server.
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    \return true if connected.
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*/
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bool ServiceFwIPC::startServer(const QString& aServerName,
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                                  const QString& aExeName,
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                                  quint64& processId,
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                                  ServiceIPCStartServerOptions options)
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::startServer");
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    return d->startServer(aServerName, aExeName, processId, options);
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}
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/*!
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    Send a request synchronously.
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    \param aRequestType Name of the request.
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    \param aData Data to send.
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    \return true if sent successful, otherwise false.
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*/
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bool ServiceFwIPC::sendSync(const QString& aRequestType,
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                            const QByteArray& aData)
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::sendSync");
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#ifdef _DEBUG
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    Q_ASSERT_X( aRequestType.contains(";") == false, "", "aRequestType cannot contain semicolons!" );
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#endif // _DEBUG
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    bool sent = d->sendSync(aRequestType, aData);
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    if (sent) {
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        sent = waitForRead();
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    }
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    return sent;
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}
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/*!
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    Send a request asynchronously.
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    \param aRequestType Name of the request.
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    \param aData Data to send.
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    \note Errors will be emitted via error() signal.
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*/
1
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void ServiceFwIPC::sendAsync(const QString& aRequestType,
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                             const QByteArray& aData)
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::sendAsync");
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#ifdef _DEBUG
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    Q_ASSERT_X( aRequestType.contains(";") == false, "", "aRequestType cannot contain semicolons!" );
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#endif // _DEBUG
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    d->sendAsync(aRequestType, aData);
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    iAsyncRequestPending = true;
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}
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/*!
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    Asynchronous read.
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    \param aArray Array where read data will be put.
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*/
1
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void ServiceFwIPC::readAll(QByteArray& aArray)
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::readAll(1)");
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    d->readAll(aArray);
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}
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/*!
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    Synchronous read.
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    \return Array which where read data is put.
1
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*/
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QByteArray ServiceFwIPC::readAll()
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::readAll(2)");
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    return d->readAll();
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}
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/*!
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    Waits until data is available for reading.
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    \return true if data is available for reading.
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*/
1
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bool ServiceFwIPC::waitForRead()
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::waitForRead");
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    return d->waitForRead();
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}
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/*!
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    Check if an async request is already pending.
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    \return true if an async request is pending,
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            false otherwise.
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*/
1
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bool ServiceFwIPC::requestPending()
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::requestPending");
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    return iAsyncRequestPending;
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}
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void ServiceFwIPC::setUserData(const void *data)
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{
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    XQSERVICE_DEBUG_PRINT("ServiceFwIPC::setUserData: %x", (int)data);
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    d->setUserData(data);
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}
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}
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/*!
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    \fn QtService::ServiceFwIPC::error( int aError )
1
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    Signal emitted to handle any errors.
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    \param aError error code
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    \note For local socket implementation, the error can be interpreted 
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          as QLocalSocket::LocalSocketError
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*/
1
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/*!
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    \fn QtService::ServiceFwIPC::readyRead()
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    Handle when a reply has been received for async requests.
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    Emitted when the entire data packet has been received
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*/
1
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/*!
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    \fn QtService::ServiceFwIPC::ReadDone()
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    Emitted when reading has completed.
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*/
1
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// END OF FILE