windows-nt/Source/XPSP1/NT/enduser/netmeeting/av/callcont/h245ws.h
2020-09-26 16:20:57 +08:00

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/***************************************************************************
*
* File: h245ws.h
*
* INTEL Corporation Proprietary Information
* Copyright (c) 1996 Intel Corporation.
*
* This listing is supplied under the terms of a license agreement
* with INTEL Corporation and may not be used, copied, nor disclosed
* except in accordance with the terms of that agreement.
*
***************************************************************************
*
* $Workfile: h245ws.h $
* $Revision: 1.19 $
* $Modtime: 31 Jan 1997 15:56:32 $
* $Log: S:\sturgeon\src\h245ws\vcs\h245ws.h_v $
*
* Rev 1.19 31 Jan 1997 16:23:34 SBELL1
* Got rid of unused next pointer and put in definition of SocketTOPhysicalID
*
* Rev 1.18 13 Dec 1996 12:13:06 SBELL1
* moved ifdef _cplusplus to after includes
*
* Rev 1.17 11 Dec 1996 13:45:36 SBELL1
* Changed table/locks to use tstable.h stuff.
*
* Rev 1.16 21 Jun 1996 18:51:44 unknown
* Fixed yet another shutdown bug - linkLayerShutdown re-entrancy check.
*
* Rev 1.14 17 May 1996 16:49:36 EHOWARDX
* Shutdown fix.
*
* Rev 1.13 16 May 1996 13:09:50 EHOWARDX
* Made reporting of IP Addres and port consistent between linkLayerListen
* and LinkLayerConnect.
*
* Rev 1.12 09 May 1996 18:33:06 EHOWARDX
*
* Changes to build with new LINKAPI.H.
*
* Rev 1.11 Apr 29 1996 14:02:28 plantz
* Delete unused or private functions.
*
* Rev 1.10 Apr 29 1996 12:15:38 plantz
* Remove unused members of HWSINST structure.
*
* Rev 1.9 Apr 24 1996 20:46:58 plantz
* Changed ListenCallback to ConnectCallback in HWSINST structure.
*
* Rev 1.8 Apr 24 1996 16:24:14 plantz
* Change to use winsock 1 and not use overlapped I/O.
*
* Rev 1.7 01 Apr 1996 14:20:38 unknown
* Shutdown redesign.
*
* Rev 1.6 27 Mar 1996 13:01:28 EHOWARDX
* Added dwThreadId to H245WS instance structure.
*
* Rev 1.5 19 Mar 1996 20:21:46 EHOWARDX
* Redesigned shutdown.
*
* Rev 1.3 18 Mar 1996 19:07:10 EHOWARDX
* Fixed shutdown; eliminated TPKT/WSCB dependencies.
* Define TPKT to put TPKT/WSCB dependencies back in.
*
* Rev 1.2 14 Mar 1996 17:01:50 EHOWARDX
*
* NT4.0 testing; got rid of HwsAssert(); got rid of TPKT/WSCB.
*
* Rev 1.1 09 Mar 1996 21:12:58 EHOWARDX
* Fixes as result of testing.
*
* Rev 1.0 08 Mar 1996 20:17:56 unknown
* Initial revision.
*
***************************************************************************/
#ifndef H245WS_H
#define H245WS_H
#ifndef STRICT
#define STRICT
#endif
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
/*
* Constants
*/
#define SUCCESS 0
#define TPKT_VERSION 3
#define TPKT_HEADER_SIZE 4
// Indexes of permanent events in Events[]
#define EVENT_SOCKET 0
#define EVENT_RECV 1
#define EVENT_SEND 2
#define EVENT_FIRST 3
// Values for byLevel
#define HWS_CRITICAL 0x01
#define HWS_ERROR 0x02
#define HWS_WARNING 0x04
#define HWS_NOTIFY 0x08
#define HWS_TRACE 0x10
#define HWS_TEMP 0x20
#if defined(_DEBUG)
void HwsTrace (DWORD dwInst, BYTE byLevel, LPSTR pszFormat, ...);
#define HWSASSERT ASSERT
#define HWSTRACE0(dwH245Instance,byLevel,a) HwsTrace(dwH245Instance,byLevel,a)
#define HWSTRACE1(dwH245Instance,byLevel,a,b) HwsTrace(dwH245Instance,byLevel,a,b)
#define HWSTRACE2(dwH245Instance,byLevel,a,b,c) HwsTrace(dwH245Instance,byLevel,a,b,c)
#define HWSTRACE3(dwH245Instance,byLevel,a,b,c,d) HwsTrace(dwH245Instance,byLevel,a,b,c,d)
#define HWSTRACE4(dwH245Instance,byLevel,a,b,c,d,e) HwsTrace(dwH245Instance,byLevel,a,b,c,d,e)
#define HWSTRACE5(dwH245Instance,byLevel,a,b,c,d,e,f) HwsTrace(dwH245Instance,byLevel,a,b,c,d,e,f)
#else // (_DEBUG)
#define HWSASSERT(exp)
#define HWSTRACE0(dwH245Instance,byLevel,a)
#define HWSTRACE1(dwH245Instance,byLevel,a,b)
#define HWSTRACE2(dwH245Instance,byLevel,a,b,c)
#define HWSTRACE3(dwH245Instance,byLevel,a,b,c,d)
#define HWSTRACE4(dwH245Instance,byLevel,a,b,c,d,e)
#define HWSTRACE5(dwH245Instance,byLevel,a,b,c,d,e,f)
#endif // (_DEBUG)
// This structure is used for overlapped sends and receives
typedef struct _IO_REQUEST
{
struct _HWSINST * req_pHws; // Pointer back to socket data
BYTE req_TpktHeader[TPKT_HEADER_SIZE];
int req_header_bytes_done;
BYTE * req_client_data;
int req_client_length;
int req_client_bytes_done;
DWORD req_dwMagic; // Request type (send or receive)
#define RECV_REQUEST_MAGIC 0x91827364
#define SEND_REQUEST_MAGIC 0x19283746
} REQUEST, *PREQUEST;
typedef struct _HWSINST
{
UINT hws_uState;
#define HWS_START 0
#define HWS_LISTENING 1 /* Waiting for FD_ACCEPT */
#define HWS_CONNECTING 2 /* Waiting for FD_CONNECT */
#define HWS_CONNECTED 3 /* Data transfer state */
#define HWS_CLOSING 4 /* Waiting for FD_CLOSE */
#define HWS_CLOSED 5 /* Waiting for linkLayerShutdown() */
#define HWS_SHUTDOWN 6 /* linkLayerShutdown() called from callback */
DWORD hws_dwPhysicalId;
DWORD_PTR hws_dwH245Instance;
H245CONNECTCALLBACK hws_h245ConnectCallback;
H245SRCALLBACK hws_h245RecvCallback;
H245SRCALLBACK hws_h245SendCallback;
SOCKET hws_Socket;
SOCKADDR_IN hws_SockAddr;
UINT hws_uSockAddrLen;
// points to a queue used to hold send buffers
PQUEUE hws_pSendQueue;
// points to a queue used to hold receive buffers
PQUEUE hws_pRecvQueue;
// The maximum message size we can send on this socket.
// This value is either an integer or the manifest constant NO_MAX_MSG_SIZE.
UINT hws_uMaxMsgSize;
BOOL hws_bCloseFlag;
#if defined(_DEBUG)
DWORD hws_dwMagic; // Request type (send or receive)
#define HWSINST_MAGIC 0x12345678
#endif // (_DEBUG)
} HWSINST, *PHWSINST;
typedef struct _SOCKET_TO_INSTANCE
{
SOCKET socket;
DWORD dwPhysicalId;
struct _SOCKET_TO_INSTANCE *next;
} SOCKET_TO_INSTANCE, *PSOCKET_TO_INSTANCE;
#define SOCK_TO_PHYSID_TABLE_SIZE 251
////////////////////////////////////////////////////////////////////////////
//
// Function Prototypes
//
////////////////////////////////////////////////////////////////////////////
#ifdef UNICODE_TRACE
LPCTSTR
#else
const char *
#endif
SocketErrorText(void);
//PHWSINST FindPhysicalId(DWORD dwPhysicalId);
void NotifyRead (PHWSINST pHws);
void NotifyWrite (PHWSINST pHws);
void ProcessQueuedRecvs(PHWSINST pHws);
void ProcessQueuedSends(PHWSINST pHws);
void SocketCloseEvent (PHWSINST pHws);
DWORD SocketToPhysicalId (SOCKET socket);
BOOL CreateSocketToPhysicalIdMapping(SOCKET socket, DWORD dwPhysicalId);
BOOL RemoveSocketToPhysicalIdMapping(SOCKET socket);
#if defined(__cplusplus)
}
#endif // (__cplusplus)
#endif // H245WS_H