chttpappui.cpp

Symbian手机上一个简单的http server 服务器代码

/**
 * CHttpAppUi implementation
 *
 * This file is part of HttpServer.
 *
 * HttpServer 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.
 *
 * HttpServer 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 HttpServer; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "HttpServer.h"

CHttpAppUi *CHttpAppUi::NewL()
{
	CHttpAppUi *self = new (ELeave) CHttpAppUi();
	CleanupStack::PushL(self);
	self->ConstructL();
	CleanupStack::Pop();
	return self;
}

CHttpAppUi::CHttpAppUi()
{
	// Nothing here, all work done in ConstructL().
	view = NULL;
	socketengine = NULL;
	periodic = NULL;
}

void CHttpAppUi::ConstructL()
{
	CHttpView *nview;
	CHttpSocketEngine *nsocketengine;
	
	// Must call BaseConstructL() to complete the UI framework's
	// construction of the App UI.
	
	BaseConstructL();
	
	// Create the view.
	
	nview = new (ELeave) CHttpView();
	CleanupStack::PushL(nview);
	nview->ConstructL();
	view = nview;
	CleanupStack::Pop();
	
	AddViewL(view);
	ActivateLocalViewL(view->Id());
	
	// Create the socket engine
	
	nsocketengine = new (ELeave) CHttpSocketEngine(CActive::EPriorityStandard);
	CleanupStack::PushL(nsocketengine);
	nsocketengine->ConstructL(this);
	socketengine = nsocketengine;
	CleanupStack::Pop(nsocketengine);
	
	// Set up an initialization timer
	periodic = CPeriodic::NewL(0);
	periodic->Start(250000, 10000000, TCallBack(StaticDelayedInitialize, this));
}

CHttpAppUi::~CHttpAppUi()
{
	delete socketengine;
	// delete view;
	delete periodic;
}

/**
 * This static function is called by the CPeriodic timer.
 */

TInt CHttpAppUi::StaticDelayedInitialize(TAny *ptr)
{
	TInt err;
	
	TRAP(err, ((CHttpAppUi *) ptr)->DelayedInitializeL());
	
	return 0;
}

/**
 * Do the delayed initialization of CHttpAppUi.
 * We only want one initialization, so we'll disable the Periodic timer
 * in the first call.
 */

void CHttpAppUi::DelayedInitializeL()
{
	_LIT(KInitText, "Initializing...");
	view->PrintL(KInitText);
	socketengine->StartListeningL();
	delete periodic;
	periodic = NULL;
}

/**
 * This function is called by the UI framework whenever
 * a command has been issued. The ID's are defined in the
 * resource header (.hrh) file and associated to resources
 * in the resource file (.rss).
 */

void CHttpAppUi::HandleCommandL(TInt cmd)
{
	switch (cmd)
	{
		case EHttpMenuStartStop:
			socketengine->ToggleListeningL();
			break;
		case EHttpMenuExit:
			socketengine->StopListeningL();
			Exit();
			break;
		case EEikCmdExit: // defined in eikon.hrh
			socketengine->StopListeningL();
			Exit();
			break;
	}
}