#ifndef QUEUE_SERVICE_HEAD_FILE
#define QUEUE_SERVICE_HEAD_FILE

#include "KernelEngineHead.h"

#define VER_IQueueServiceSink INTERFACE_VERSION(1,1)
static const GUID IID_IQueueServiceSink = { 0x88b5bf59, 0x3a98, 0x43b1, 0xac, 0x85, 0xf1, 0x17, 0x5b, 0x29, 0x69, 0x40 };

//数据队列类钩子接口
interface IQueueServiceSink : public IUnknownEx
{
    //通知回调函数
    virtual void OnQueueServiceSink(WORD wIdentifier, void * pBuffer, WORD wDataSize) = NULL;
};

//////////////////////////////////////////////////////////////////////////

#define VER_IQueueService INTERFACE_VERSION(1,1)
static const GUID IID_IQueueService = { 0xcc5310b5, 0x3709, 0x40aa, 0x85, 0x24, 0xd6, 0xc5, 0x87, 0xb0, 0x32, 0x22 };

//队列接口
interface IQueueService : public IServiceModule
{
    //设置接口
    virtual bool SetQueueServiceSink(IUnknownEx * pIUnknownEx) = NULL;
    //负荷信息
    virtual bool GetBurthenInfo(tagBurthenInfo & BurthenInfo) = NULL;
    //加入数据
    virtual bool AddToQueue(WORD wIdentifier, void * const pBuffer, WORD wDataSize) = NULL;
};

//////////////////////////////////////////////////////////////////////////

//队列线程类
class CQueueServiceThread : public CWHThread
{
    //友员定义
    friend class CQueueService;

    //配置定义
protected:
    HANDLE							m_hCompletionPort;					//完成端口

    //辅助变量
private:
    BYTE							m_cbBuffer[MAX_ASYNCHRONISM_DATA];		//接收缓冲

    //函数定义
protected:
    //构造函数
    CQueueServiceThread(void);
    //析构函数
    virtual ~CQueueServiceThread(void);

    //功能函数
public:
    //配置函数
    bool InitThread(HANDLE hCompletionPort);
    //取消配置
    bool UnInitThread();

    //重载函数
private:
    //运行函数
    virtual bool OnEventThreadRun();
};

//////////////////////////////////////////////////////////////////////////

//数据队列类
class CQueueService : public IQueueService
{
    friend class CQueueServiceThread;

    //变量定义
protected:
    bool							m_bService;							//服务标志
    HANDLE							m_hCompletionPort;					//完成端口
    IQueueServiceSink				* m_pIQueueServiceSink;				//回调接口

    //组件变量
protected:
    CCriticalSection				m_CriticalSection;					//线程锁
    CWHDataQueue						m_DataQueue;						//数据存储
    CQueueServiceThread				m_QueueServiceThread;				//队列线程

    //函数定义
public:
    //构造函数
    CQueueService(void);
    //析构函数
    virtual ~CQueueService(void);

    //基础接口
public:
    //释放对象
    virtual VOID Release()
    {
        if (IsValid()) delete this;    //
    }
    //是否有效
    virtual bool IsValid()
    {
        return AfxIsValidAddress(this, sizeof(CQueueService)) ? true : false;
    }
    //接口查询
    virtual void * QueryInterface(const IID & Guid, DWORD dwQueryVer);


    //管理接口
public:
    //开始服务
    virtual bool StartService();
    //停止服务
    virtual bool ConcludeService();
    //线程句柄
    HANDLE GetThreadHandle();

    //队列接口
public:
    //加入数据
    virtual bool AddToQueue(WORD wIdentifier, void * const pBuffer, WORD wDataSize);
    //设置接口
    virtual bool  SetQueueServiceSink(IUnknownEx * pIUnknownEx);
    //负荷信息
    virtual bool  GetBurthenInfo(tagBurthenInfo & BurthenInfo);

    //辅助函数
private:
    //提取数据
    bool GetData(tagDataHead & DataHead, void * pBuffer, WORD wBufferSize);
    //数据消息
    void OnQueueServiceThread(const tagDataHead & DataHead, void * pBuffer, WORD wDataSize);
};

//////////////////////////////////////////////////////////////////////////

#endif