engine.h

基于symbian的收发SMS、MMS消息

//
//    engine.h
//
//    Copyright (C) 2001, Forum Nokia - The Developer Community 
//
////////////////////////////////////////////////////////////////

#ifndef __ENGINE_H
#define __ENGINE_H

#include <es_sock.h>
#include <in_sock.h>

class CTcpUdpView;
class CMyTimer;

//Contains engine's saved preferences
class TPreferences
{
	public:
		TUint	 iProtocol;
		TUint	 iRemotePort;
		TUint	 iLocalPort;
		TUint    iCount;
		TBool    iTrace;
		TUint	 iPacketSize;
		TBuf<60> iRemoteAddr;
		TBuf<60> iLocalAddr;
};


class CRunEngine : public CActive
{
public:
	//constructor
	CRunEngine();

	//destructor
	~CRunEngine();
	
	//second phase constructor
	void ConstructL(CTcpUdpView *aAppView);
	TInt Start();
	void Stop();
	inline CTcpUdpView *AppView()
		{return iAppView;};
	inline TBool Running()
		{return (iState != EIdle);};
	static void DefaultPreferences(TPreferences &aPref);
	void GetPreferences(TPreferences &aPref);
	void SetPreferences(TPreferences &aPref);

protected:
    // Active Object functions
    void RunL();
	void DoCancel();

private:
	void ReceivePacket();
    void SendPacket();
    void CloseSockets();
public:
	// Variables accessed from the options dialog
	TUint	 iProtocol;
	TUint	 iRemotePort;
	TUint	 iLocalPort;
	TBuf<60> iRemoteAddr;
	TBuf<60> iLocalAddr;
	TUint    iCount;
	TBool    iTrace;
	TUint	 iPacketSize;
	TInetAddr	  iRecAddr;

private:
	CTcpUdpView	  *iAppView;
    RSocketServ   iSocketServer;
	RSocket		  iSocket;
	TInetAddr	  iSendAddr;

	enum TState   {EIdle,EConnected,EReceiving,ESending,EClosing};
    TState        iState;
    TInt          iTotalBytesRcvd;
    HBufC8        *iRecBuffer;
    TPtr8         iRecData;
	HBufC8        *iSendBuffer;
	TPtr8         iSendData;
    TSockXfrLength iNumRcvd;
    CMyTimer      *iMyTimer;
	TUint         iRecvPackets;
	TUint         iSentPackets;
};


class CMyTimer : public CTimer
{
public:
	CMyTimer();
	void ConstructL(CRunEngine *aEngine);
	void RunL();
private:
    CRunEngine *iEngine;
};


#endif