414 lines
14 KiB
C
414 lines
14 KiB
C
/***************************************************************************
|
|
*
|
|
* File: linkapi.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: linkapi.h $
|
|
* $Revision: 1.17 $
|
|
* $Modtime: 11 Dec 1996 13:57:14 $
|
|
* $Log: S:\sturgeon\src\include\vcs\linkapi.h_v $
|
|
*
|
|
* Rev 1.17 11 Dec 1996 14:10:48 SBELL1
|
|
* changed parameters to linkLayerInit/Listen
|
|
*
|
|
* Rev 1.16.1.0 11 Dec 1996 13:57:14 SBELL1
|
|
* CHanged parameters to linkLayerInit and Listen.
|
|
*
|
|
* Rev 1.16 14 Oct 1996 14:00:20 EHOWARDX
|
|
*
|
|
* Unicode changes.
|
|
*
|
|
* Rev 1.15 15 Aug 1996 14:00:08 rodellx
|
|
*
|
|
* Added additional address validation error case for DOMAIN_NAME addresses
|
|
* which cannot be resolved, but are used with SocketBind().
|
|
*
|
|
* Rev 1.14 11 Jul 1996 18:42:10 rodellx
|
|
*
|
|
* Fixed bug where HRESULT ids were in violation of Facility and/or Code
|
|
* value rules.
|
|
*
|
|
* Rev 1.13 10 Jul 1996 21:36:26 rodellx
|
|
*
|
|
* Changed error code base to required value defined by apierror.h.
|
|
*
|
|
* Rev 1.12 May 28 1996 18:09:08 plantz
|
|
* Change all error and message codes to use HRESULT. Deleted unused codes.
|
|
*
|
|
* Rev 1.11 09 May 1996 18:28:36 EHOWARDX
|
|
* Eliminated unnessary formal parameters.
|
|
*
|
|
* Rev 1.4 25 Apr 1996 21:43:50 helgebax
|
|
* Copied Philip's changes from sturgeon\src\include.
|
|
*
|
|
* Rev 1.10 Apr 25 1996 21:07:16 plantz
|
|
* Add messages for connect callback.
|
|
* Add connect callback parameter to link layer accept.
|
|
*
|
|
* Rev 1.9 Apr 25 1996 15:36:50 plantz
|
|
* Remove #include incommon.h and dependencies on types defined in incommon
|
|
* (use pointers to incomplete structure types instead).
|
|
*
|
|
* Rev 1.8 Apr 24 1996 20:54:08 plantz
|
|
* Change name of H245LISTENCALLBACK to H245CONNECTCALLBACK and add additional
|
|
* parameters. Add it as an parameter to linkLayerConnect as well as
|
|
* linkLayerListen.
|
|
*
|
|
* Rev 1.7 Apr 24 1996 17:00:04 plantz
|
|
* Merge 1.3.1.0 with 1.6 (changes to support Q931).
|
|
*
|
|
* Rev 1.6 19 Apr 1996 10:35:36 EHOWARDX
|
|
* Encorporate Dan's latest SRPAPI.H changes.
|
|
*
|
|
* Rev 1.3.1.0 Apr 23 1996 13:45:26 plantz
|
|
* Changes to support Q.931.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef LINKAPI_H
|
|
#define LINKAPI_H
|
|
|
|
#include "apierror.h"
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C"
|
|
{
|
|
#endif // (__cplusplus)
|
|
|
|
// declare exported functions
|
|
#if(0) // it's all in one DLL
|
|
#if defined(LINKDLL_EXPORT)
|
|
#define LINKDLL __declspec (dllexport)
|
|
#else // (LINKDLL_EXPORT)
|
|
#define LINKDLL __declspec (dllimport)
|
|
#endif // (LINKDLL_EXPORT)
|
|
#define SRPDLL LINKDLL
|
|
#else
|
|
#define LINKDLL cdecl
|
|
#endif
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Link Layer defaults
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define INVALID_PHYS_ID (DWORD) 0xffffffff
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Link Layer Error defines
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define LINK_ERROR_BASE ERROR_LOCAL_BASE_ID
|
|
#define LINK_SEND_ERROR_BASE LINK_ERROR_BASE + 0x100
|
|
#define LINK_SEND_COMP_BASE LINK_ERROR_BASE + 0x200
|
|
#define LINK_RCV_ERROR_BASE LINK_ERROR_BASE + 0x300
|
|
#define LINK_RCV_COMP_BASE LINK_ERROR_BASE + 0x400
|
|
#define LINK_UTIL_ERROR_BASE LINK_ERROR_BASE + 0x500
|
|
#define LINK_UTIL_COMP_BASE LINK_ERROR_BASE + 0x600
|
|
#define LINK_FATAL_ERROR LINK_ERROR_BASE + 0x700
|
|
#define LINK_CONN_ERROR_BASE LINK_ERROR_BASE + 0x800
|
|
#define LINK_CONN_COMP_BASE LINK_ERROR_BASE + 0x900
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CallBack Prototype for Channel CallBack
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef void (*H245SRCALLBACK)
|
|
(
|
|
DWORD_PTR dwH245Instance,
|
|
HRESULT dwMessage,
|
|
PBYTE pbyDataBuf,
|
|
DWORD dwLength
|
|
);
|
|
|
|
// Link Send Callback error codes
|
|
#define LINK_SEND_COMPLETE MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_SEND_COMP_BASE+ 0)
|
|
#define LINK_SEND_ABORT MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_SEND_COMP_BASE+ 5) // Tx aborted the SDU (not implemented)
|
|
#define LINK_SEND_WOULD_BLOCK MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_SEND_COMP_BASE+20)
|
|
#define LINK_SEND_CLOSED MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_SEND_COMP_BASE+22)
|
|
#define LINK_SEND_ERROR MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_SEND_COMP_BASE+23)
|
|
|
|
// Link Receive Callback error codes
|
|
#define LINK_RECV_DATA MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_RCV_COMP_BASE+ 6) // DATA.INDICATION from H.223 (Should not be zero)
|
|
#define LINK_RECV_ABORT MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_RCV_COMP_BASE+ 7) // Tx aborted the SDU (not implemented)
|
|
#define LINK_RECV_ERROR MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_RCV_COMP_BASE+10) // from AL2 - _CRC error
|
|
#define LINK_RECV_WOULD_BLOCK MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_RCV_COMP_BASE+20)
|
|
#define LINK_RECV_CLOSED MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_RCV_COMP_BASE+22)
|
|
|
|
typedef void (*H245CONNECTCALLBACK)
|
|
(
|
|
DWORD_PTR dwH245Instance,
|
|
HRESULT dwMessage,
|
|
struct _ADDR *LocalAddr,
|
|
struct _ADDR *PeerAddr
|
|
);
|
|
|
|
#define LINK_CONNECT_REQUEST MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_CONN_COMP_BASE+1)
|
|
#define LINK_CONNECT_COMPLETE MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_CONN_COMP_BASE+2)
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Link Layer Function Prototypes
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////
|
|
LINKDLL VOID H245WSShutdown();
|
|
|
|
/**************************************************************************
|
|
** Function : linkLayerInit
|
|
** Description : This function will initialize the datalink subsystem.
|
|
** This in turn will make appropriate calls to initialize
|
|
** the software and hardware subsystems below this layer.
|
|
** linkLayernit() has to be called before any other service or
|
|
** System control functions are used.
|
|
****************************************************************************/
|
|
LINKDLL HRESULT
|
|
linkLayerInit
|
|
(
|
|
DWORD* pdwPhysicalId,
|
|
DWORD_PTR dwH245Instance,
|
|
H245SRCALLBACK cbReceiveComplete,
|
|
H245SRCALLBACK cbTransmitComplete
|
|
);
|
|
|
|
typedef
|
|
HRESULT
|
|
(*PFxnlinkLayerInit)
|
|
(
|
|
DWORD* pdwPhysicalId,
|
|
DWORD_PTR dwH245Instance,
|
|
H245SRCALLBACK cbReceiveComplete,
|
|
H245SRCALLBACK cbTransmitComplete
|
|
);
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
///
|
|
/// SRP Initialization defines
|
|
///
|
|
///////////////////////////////////////////////////////////////
|
|
|
|
#define LINK_INVALID_INSTANCE MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_ERROR_BASE+1)
|
|
#define LINK_DUPLICATE_INSTANCE MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_ERROR_BASE+2)
|
|
#define LINK_MEM_FAILURE MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, ERROR_OUTOFMEMORY)
|
|
#define LINK_INVALID_STATE MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_ERROR_BASE+6)
|
|
#define LINK_INSTANCE_TABLE_FULL MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_ERROR_BASE+7)
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
** Function : linkLayerShutdown
|
|
** Description : This releases all the memory the link layer used for a particular
|
|
** instance. For using any of the linklayer services in that
|
|
** instance again, a linkLayerInit has to be called.
|
|
** This function will shutdown the linklayer session pointed
|
|
** by the dwPhysicalID.
|
|
***************************************************************************/
|
|
LINKDLL HRESULT
|
|
linkLayerShutdown
|
|
(DWORD dwPhysicalId);
|
|
|
|
|
|
|
|
typedef
|
|
HRESULT
|
|
(*PFxnlinkLayerShutdown)
|
|
(DWORD dwPhysicalId);
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
///
|
|
/// SRP Termination defines
|
|
///
|
|
///////////////////////////////////////////////////////////////
|
|
|
|
/**************************************************************************
|
|
** Function : linkLayerGetInstance
|
|
** Description : Returns the link layer instance corresponding to a physical ID
|
|
***************************************************************************/
|
|
LINKDLL DWORD
|
|
linkLayerGetInstance
|
|
(DWORD dwPhysicalId);
|
|
|
|
|
|
|
|
typedef
|
|
DWORD
|
|
(*PFxnlinkLayerGetInstance)
|
|
(DWORD dwPhysicalId);
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
** Function : datalinkReceiveRequest
|
|
** Description : Posts one receive message buffer to the link layer subsystem.
|
|
** This buffer will be filled in by the incoming message for
|
|
** the specified channel. H223_DATA_INDICATION will be sendto
|
|
** the client on receiving a complete PDU. Error messages may also be
|
|
** reported.
|
|
***************************************************************************/
|
|
LINKDLL HRESULT
|
|
datalinkReceiveRequest
|
|
(
|
|
DWORD dwPhysicalId,
|
|
PBYTE pbyDataBuf,
|
|
DWORD dwLength
|
|
);
|
|
|
|
typedef
|
|
HRESULT
|
|
(*PFxndatalinkReceiveRequest)
|
|
(
|
|
DWORD dwPhysicalId,
|
|
PBYTE pbyDataBuf,
|
|
DWORD dwLength
|
|
);
|
|
|
|
// Link Receive Request return codes
|
|
|
|
#define LINK_RECV_NOBUFF MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_RCV_ERROR_BASE+ 2) // No room for buffering
|
|
|
|
|
|
/**************************************************************************
|
|
** Function : datalinkSendRequest
|
|
** Description : Hands over the message to be sent to the link layer subsystem.
|
|
***************************************************************************/
|
|
LINKDLL HRESULT
|
|
datalinkSendRequest
|
|
(
|
|
DWORD dwPhysicalId,
|
|
PBYTE pbyDataBuf,
|
|
DWORD dwLength
|
|
);
|
|
|
|
typedef
|
|
HRESULT
|
|
(*PFxndatalinkSendRequest)
|
|
(
|
|
DWORD dwPhysicalId,
|
|
PBYTE pbyDataBuf,
|
|
DWORD dwLength
|
|
);
|
|
|
|
// Link Send Request return codes
|
|
|
|
#define LINK_SEND_NOBUFF MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_SEND_ERROR_BASE+2)
|
|
|
|
|
|
/**************************************************************************
|
|
** Function : linkLayerFlushChannel
|
|
** Description : All the posted transmit and/or receive buffers are released.
|
|
** The bitmasks DATALINK_RECEIVE and DATALINK_RECEIVE can
|
|
** be OR'd together to perform both functions in the same call
|
|
**************************************************************************/
|
|
LINKDLL HRESULT
|
|
linkLayerFlushChannel
|
|
(DWORD dwPhysicalId, DWORD dwDirectionMask);
|
|
|
|
|
|
|
|
|
|
typedef
|
|
HRESULT
|
|
(*PFxnlinkLayerFlushChannel)
|
|
(DWORD dwPhysicalId, DWORD dwDirectionMask);
|
|
|
|
|
|
|
|
|
|
// Bits for dwDirectionMask
|
|
#define DATALINK_RECEIVE 0x01 // Flush buffer in receive direction
|
|
#define DATALINK_TRANSMIT 0x02 // Flush buffer in Transmit direction
|
|
#define DATALINK_TX_ACTIVES 0x04 // Flush buffers actively being transmitted
|
|
#define SHUTDOWN_PENDING 0x08 // Shutdown is in progress
|
|
#define FLUSH_SYNCH 0x10 // 0: Asynch call, 1: Synchronous call
|
|
#define DATALINK_TRANSMIT_ALL (DATALINK_TRANSMIT | DATALINK_TX_ACTIVES)
|
|
#define SHUTDOWN_MASK (DATALINK_RECEIVE | DATALINK_TRANSMIT | SHUTDOWN_PENDING)
|
|
|
|
|
|
// linkLayerFlushChannel Callback
|
|
|
|
#define LINK_FLUSH_COMPLETE MAKE_CUSTOM_HRESULT(SEVERITY_SUCCESS, TRUE, FACILITY_H245WS, LINK_UTIL_COMP_BASE+1)
|
|
|
|
|
|
/**************************************************************************
|
|
** Function : linkLayerFlushAll
|
|
** Description : All the posted transmit and/or receive buffers are released.
|
|
** Same as LinkLayerFlushChannel except:
|
|
** 1) Synchronous Call
|
|
** 2) Transmit Buffers in progress are flushed
|
|
**************************************************************************/
|
|
LINKDLL HRESULT
|
|
linkLayerFlushAll
|
|
(DWORD dwPhysicalId);
|
|
|
|
|
|
|
|
typedef
|
|
HRESULT
|
|
(*PFxnlinkLayerFlushAll)
|
|
(DWORD dwPhysicalId);
|
|
|
|
|
|
|
|
// linkLayerFlushChannel RETURN CODES same as for linkLayerFlushChannel
|
|
|
|
#define LINK_UNKNOWN_ADDR MAKE_CUSTOM_HRESULT(SEVERITY_ERROR, TRUE, FACILITY_H245WS, LINK_UTIL_ERROR_BASE + 1)
|
|
|
|
LINKDLL HRESULT
|
|
linkLayerConnect(DWORD dwPhysicalId, struct _ADDR *pAddr, H245CONNECTCALLBACK callback);
|
|
|
|
LINKDLL HRESULT
|
|
linkLayerListen(DWORD* dwPhysicalId, DWORD_PTR dwH245Instance, struct _ADDR *pAddr, H245CONNECTCALLBACK callback);
|
|
|
|
LINKDLL HRESULT
|
|
linkLayerAccept(DWORD dwPhysicalIdListen, DWORD dwPhysicalIdAccept, H245CONNECTCALLBACK callback);
|
|
|
|
LINKDLL HRESULT
|
|
linkLayerReject(DWORD dwPhysicalIdListen);
|
|
|
|
|
|
#define LL_PDU_SIZE 2048
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
**
|
|
** Dynamic DLL Function Calls
|
|
**
|
|
**************************************************************************/
|
|
#ifdef UNICODE
|
|
#define SRPDLLFILE L"h245srp.dll"
|
|
#define H245WSDLLFILE L"h245ws.dll"
|
|
#else
|
|
#define SRPDLLFILE "h245srp.dll"
|
|
#define H245WSDLLFILE "h245ws.dll"
|
|
#endif
|
|
|
|
#define LINKINITIALIZE __TEXT("linkLayerInit")
|
|
#define LINKSHUTDOWN __TEXT("linkLayerShutdown")
|
|
#define LINKGETINSTANCE __TEXT("linkLayerGetInstance")
|
|
#define LINKRECEIVEREQUEST __TEXT("datalinkReceiveRequest")
|
|
#define LINKSENDREQUEST __TEXT("datalinkSendRequest")
|
|
#define LINKFLUSHCHANNEL __TEXT("linkLayerFlushChannel")
|
|
#define LINKFLUSHALL __TEXT("linkLayerFlushAll")
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif // (__cplusplus)
|
|
|
|
#endif // LINKAPI_H
|