ConnectLayer.h

// Author: Kang Lin <kl222@126.com>
 
#pragma once
 
#include <QObject>
 
#include "BackendFreeRDP.h"

class CConnectLayer : public QObject
{
    Q_OBJECT
public:
    explicit CConnectLayer(CBackendFreeRDP* pOperate);
    virtual ~CConnectLayer();
 
    int Initialize(rdpContext* context);
    int Clean();
    
private:
    virtual int OnInit(rdpContext* context) = 0;
    virtual int OnClean() = 0;
    virtual int OnLayerRead(void* data, int bytes) = 0;
    virtual int OnLayerWrite(const void* data, int bytes) = 0;
    virtual BOOL OnLayerWait(BOOL waitWrite, DWORD timeout) = 0;
    virtual HANDLE OnLayerGetEvent() = 0;
 
    static rdpTransportLayer* cb_transport_connect_layer(
        rdpTransport* transport,
        const char* hostname, int port, DWORD timeout);
    virtual rdpTransportLayer* OnTransportConnectLayer(rdpContext *context);
    static int cbLayerRead(void* userContext, void* data, int bytes);
    static int cbLayerWrite(void* userContext, const void* data, int bytes);
    static BOOL cbLayerClose(void* userContext);
    virtual BOOL OnLayerClose();
    static BOOL cbLayerWait(void* userContext, BOOL waitWrite, DWORD timeout);
    static HANDLE cbLayerGetEvent(void* userContext);
 
protected:
    CBackendFreeRDP* m_pOperate;
    CParameterFreeRDP* m_pParameter;
 
private:
    struct LayerUserData
    {
        CConnectLayer* pThis;
    };
};