137 lines
4.1 KiB
C++
137 lines
4.1 KiB
C++
#ifndef _PACKET_H_
|
|
#define _PACKET_H_
|
|
|
|
#ifdef __cplusplus
|
|
|
|
// Packet Manager for Code Downloader
|
|
|
|
// A Packet is a unit of work that takes time eg. trust verifcation of a piece
|
|
// setup of a piece or INF processing of one piece. To be able to have the
|
|
// client be responsive with UI and abort capabilty we need to split out work
|
|
// into as small units as possible and queue up these CDLPackets
|
|
// CDLPackets get run on a timer per thread.
|
|
|
|
|
|
class CCodeDownload;
|
|
class CDownload;
|
|
|
|
#define CPP_SIGNATURE 0x050395
|
|
#define PROCESS_PACKET_INTERVAL 200 // 1/5 of a second
|
|
|
|
typedef enum {
|
|
PACKET_PRIORITY_NORMAL = 0,
|
|
PACKET_PRIORITY_HIGH = 1
|
|
} PACKET_PRIORITY;
|
|
|
|
|
|
// use 0xffff0000 for storing msg types for different objs
|
|
// if you want to add a msg for a new obj, make a new msg type for that
|
|
// obj and then add the obj into the PACKETOBJ union and
|
|
// write a packet constrcutor for that obj
|
|
#define MSG_CDOWNLOAD_OBJ 0x00000000
|
|
#define MSG_CCODEDOWNLOAD_OBJ 0x00010000
|
|
|
|
#define GETMSGTYPE(msg) (msg & 0xffff0000)
|
|
#define MAKEMSG(mtype,n) (mtype|n)
|
|
|
|
// msgs for CDOWNLOAD
|
|
#define CODE_DOWNLOAD_TRUST_PIECE MAKEMSG(MSG_CDOWNLOAD_OBJ, 1)
|
|
#define CODE_DOWNLOAD_PROCESS_PIECE MAKEMSG(MSG_CDOWNLOAD_OBJ, 2)
|
|
|
|
// msgs for CCODEDOWNLOAD
|
|
#define CODE_DOWNLOAD_PROCESS_INF MAKEMSG(MSG_CCODEDOWNLOAD_OBJ, 1)
|
|
#define CODE_DOWNLOAD_SETUP MAKEMSG(MSG_CCODEDOWNLOAD_OBJ, 2)
|
|
#define CODE_DOWNLOAD_WAIT_FOR_EXE MAKEMSG(MSG_CCODEDOWNLOAD_OBJ, 3)
|
|
|
|
typedef union {
|
|
CCodeDownload* pcdl;
|
|
CDownload* pdl;
|
|
} PACKETOBJ;
|
|
|
|
class CCDLPacket;
|
|
|
|
class CCDLPacketMgr {
|
|
|
|
public:
|
|
|
|
CCDLPacketMgr();
|
|
~CCDLPacketMgr();
|
|
|
|
HRESULT TimeSlice();
|
|
|
|
UINT_PTR GetTimer() const {return m_Timer;}
|
|
|
|
HRESULT Post(CCDLPacket *pPkt, ULONG pri = PACKET_PRIORITY_NORMAL);
|
|
|
|
HRESULT AbortPackets(CDownload *pdl);
|
|
|
|
HRESULT Kill(CCDLPacket *pPkt);
|
|
|
|
private:
|
|
|
|
UINT_PTR m_Timer;
|
|
|
|
//BUGBUG: if we want priority classes then we soudl really have
|
|
// multiple lists!
|
|
|
|
CList<CCDLPacket *,CCDLPacket *>
|
|
m_PacketList; // linked list of pointers to
|
|
// CCDLPacket objects ongoing on
|
|
// this thread.A CDLPacket is a unit
|
|
// of work that takes time eg.
|
|
// trust verifcation of a piece
|
|
// setup of a piece or INF
|
|
// processing of one piece.
|
|
// To be able to have the
|
|
// client be responsive with UI
|
|
// and abort capabilty we need
|
|
// to split out work into as
|
|
// small units as possible
|
|
// and queue up these CDLPackets
|
|
// CDLPackets get run on a timer per
|
|
// thread.
|
|
|
|
};
|
|
|
|
|
|
class CCDLPacket {
|
|
|
|
public:
|
|
|
|
CCDLPacket(DWORD type, CCodeDownload *pcdl, DWORD_PTR param);
|
|
CCDLPacket(DWORD type, CDownload *pcdl, DWORD_PTR param);
|
|
|
|
~CCDLPacket();
|
|
|
|
HRESULT Post(ULONG pri = PACKET_PRIORITY_NORMAL);
|
|
HRESULT Kill();
|
|
HRESULT Process();
|
|
|
|
CDownload* GetDownload()
|
|
{
|
|
if (GETMSGTYPE(m_type) == MSG_CDOWNLOAD_OBJ)
|
|
return m_obj.pdl;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
CCodeDownload* GetCodeDownload()
|
|
{
|
|
if (GETMSGTYPE(m_type) == MSG_CCODEDOWNLOAD_OBJ)
|
|
return m_obj.pcdl;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
private:
|
|
|
|
DWORD m_signature;
|
|
DWORD_PTR m_param;
|
|
DWORD m_type;
|
|
|
|
PACKETOBJ m_obj;
|
|
};
|
|
|
|
#endif
|
|
#endif // _PACKET_H_
|