134 lines
4.4 KiB
C
134 lines
4.4 KiB
C
/* (C) 1997-1999 Microsoft Corp.
|
|
*
|
|
* file : domain.h
|
|
*
|
|
*
|
|
* description: MCS implementation-specific defines and structures.
|
|
*/
|
|
|
|
#ifndef __DOMAIN_H
|
|
#define __DOMAIN_H
|
|
|
|
|
|
//#include "MCSKernl.h"
|
|
#include "mcscommn.h"
|
|
#include "slist.h"
|
|
|
|
/*
|
|
* Types
|
|
*/
|
|
|
|
// Primary remote user and local user.
|
|
#define NumPreallocUA 2
|
|
|
|
// One channel for each of remote and local user, plus share, clipboard, and
|
|
// printer redir channels.
|
|
#define NumPreallocChannel (NumPreallocUA + 3)
|
|
|
|
struct _Domain;
|
|
|
|
typedef struct {
|
|
SList UserList; // hUsers joined. Key=hUser.
|
|
int Type; // Channel_... defined above.
|
|
BOOLEAN bPreallocated; // TRUE if we should not free this channel.
|
|
BOOLEAN bInUse; // For tracking prealloc list usage.
|
|
ChannelID ID;
|
|
} MCSChannel;
|
|
|
|
|
|
typedef struct {
|
|
struct _Domain *pDomain;
|
|
BOOLEAN bLocal; // TRUE if on this machine.
|
|
BOOLEAN bPreallocated; // TRUE if we should not free this UA.
|
|
BOOLEAN bInUse; // For tracking prealloc list usage.
|
|
void *UserDefined;
|
|
UserID UserID;
|
|
SList JoinedChannelList;
|
|
MCSUserCallback Callback;
|
|
MCSSendDataCallback SDCallback;
|
|
} UserAttachment, *PUserAttachment;
|
|
|
|
|
|
typedef struct _Domain {
|
|
PSDCONTEXT pContext;
|
|
STACKCLASS StackClass;
|
|
BOOLEAN StatusDead; // This one is consistent with tagTSHARE_WD.dead
|
|
LONG PseudoRefCount; // See comment in DisconnectProviderRequestFunc(). This
|
|
// is not a full refcount to keep fix simple for RC2,
|
|
// another bug is opened for Longhorn for full pDomain fix.
|
|
unsigned StackMode;
|
|
unsigned bChannelBound : 1; // Indicates T120 channel is registered.
|
|
unsigned bCanSendData : 1; // ICA stack allows I/O. Diff. from MCS state.
|
|
unsigned bT120StartReceived : 1; // Whether we can send data to user mode
|
|
unsigned bDPumReceivedNotInput : 1; // For DPum-before-T120-start timing
|
|
unsigned bEndConnectionPacketReceived : 1; // DPum or X.224 Disc recvd.
|
|
unsigned bTopProvider : 1; // TP? Always true on Hydra 4.0.
|
|
unsigned bCurrentPacketFastPath : 1; // Whether we're in the midst of fast-path input packet.
|
|
|
|
// Used for fast-path input decoding.
|
|
void *pSMData;
|
|
|
|
// Reassembly info for reassembling TCP-fragmented data packets.
|
|
// Actual default buffer is allocated at end of this struct.
|
|
unsigned ReceiveBufSize; // TD-allocated size, received on init.
|
|
BYTE *pReassembleData; // Pointer to PacketBuf or alloc'd buffer.
|
|
unsigned StoredDataLength; // Current size of held data.
|
|
unsigned PacketDataLength; // Target packet size. 0xFFFFFFFF for incomplete header.
|
|
unsigned PacketHeaderLength; // Bytes needed to assemble a header (X.224=4, fastpath=2-3).
|
|
|
|
// Statistics counters (used during perf paths).
|
|
PPROTOCOLSTATUS pStat;
|
|
|
|
// Perf path MCS information.
|
|
SList ChannelList; // List of channels in use.
|
|
|
|
// X.224 information.
|
|
unsigned MaxX224DataSize; // Negotiated in X.224 connection.
|
|
unsigned X224SourcePort;
|
|
|
|
// MCS domain, channel, user, token information.
|
|
unsigned MaxSendSize; // The calculated max MCS SendData block size
|
|
SList UserAttachmentList; // List of local and remote attachments.
|
|
DomainParameters DomParams; // This domain's negotiated parameters.
|
|
ChannelID NextAvailDynChannel; // Pseudo-random next-channel indicator.
|
|
int State; // Connection state.
|
|
unsigned DelayedDPumReason;
|
|
|
|
// Broken connection event.
|
|
PKEVENT pBrokenEvent;
|
|
|
|
// Channel to receive shadow data
|
|
ChannelID shadowChannel;
|
|
|
|
#ifdef DUMP_RAW_INPUT
|
|
BYTE FooBuf[128000];
|
|
unsigned NumPtrs;
|
|
void *Ptrs[1000];
|
|
#endif
|
|
|
|
// Channel and UserAttachment preallocations for performance and
|
|
// to reduce heap thrashing.
|
|
UserAttachment PreallocUA[NumPreallocUA];
|
|
MCSChannel PreallocChannel[NumPreallocChannel];
|
|
|
|
// Beginning of X.224 reconstruction buffer block. Larger size will be
|
|
// allocated when ReceiveBufSize is known.
|
|
BYTE PacketBuf[1];
|
|
} Domain, *PDomain;
|
|
|
|
|
|
#define PDomainAddRef(pDomain) { pDomain->PseudoRefCount++; }
|
|
__inline LONG PDomainRelease(PDomain pDomain)
|
|
{
|
|
LONG ref;
|
|
ref = --pDomain->PseudoRefCount;
|
|
if (0 == ref)
|
|
{
|
|
ExFreePool(pDomain);
|
|
}
|
|
return ref;
|
|
}
|
|
|
|
|
|
#endif
|