C++ 项目中的类框架

/*
 * 类调用框架
 */

/* CameraApp.h */
class CameraApp
{
public:
    CameraApp();
    ~CameraApp();

    int Init(void);
    int UnInit(void);

public:
    XnetNode m_xnode_thd;
    XcamServer m_xcam_thd;

};

/* CameraApp.cpp */
CameraApp::CameraApp():
    m_xnode_thd(*this)
{}

/* XcamServer.h */
class CameraApp; /* 声明父类 */

class XcamServer
{
public:
    XcamCtrl m_ctrl;
    CameraApp &r_cams_;                 /* 父引用 */
}

/* XcamServer.cpp */
XcamServer::XcamServer(CameraApp &father)
    : m_ctrl(*this),
    r_cams_(father)
{}

/* XcamCtrl.h */
class XcamServer;

class XcamCtrl
{
public:
    XcamCtrl() = delete;
    XcamCtrl(XcamServer &Server);
    ~XcamCtrl();
private:
    XcamServer &rXcamServer;            /* 父引用 */
}

/* XcamCtrl.cpp */
XcamCtrl::XcamCtrl(XcamServer &Server)
    : rXcamServer(Server) 
{}

/* XnetNode.h */
class CameraApp; /* 声明父类 */

class XnetNode
{
public:
    XnetNode() = delete;
    XnetNode(CameraApp &father);
    ~XnetNode();

    int Init(void); 
    int UnInit(void);
    int DealRouterMsg(const char *data, int len);

private:
    CameraApp &r_cams_;                          /* 父引用 */
}

/* XnetNode.cpp */
XnetNode::XnetNode(CameraApp &cams) : r_cams_(cams)
{}

int XnetNode::DealRouterMsg(const char *data, int len)
{
    RouterF8Head_T *pPkt = (RouterF8Head_T *)&data[0];
    RTK_GPS_EventData_S *pData = (RTK_GPS_EventData_S *)(&pPkt->data[0]);
    RTKEventParameter para;
    para.week = pData->week;

    XcamCtrl &ctrl = r_cams_.m_xcam_thd.m_ctrl;
    s32Res = ctrl.SendRTKEventParameter(para);
}