Windows2003-3790/enduser/netmeeting/av/callcont/api.h
2020-09-30 16:53:55 +02:00

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/******************************************************************************
*
* INTEL Corporation Proprietary Information
* Copyright (c) 1994, 1995, 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: api.h $
* $Revision: 1.5 $
* $Modtime: 06 Jun 1996 17:10:36 $
* $Log: S:/STURGEON/SRC/H245/INCLUDE/VCS/api.h_v $
*
* Rev 1.5 06 Jun 1996 18:43:08 EHOWARDX
* Unnested tracker structure and eliminated PLOCK macros.
*
* Rev 1.4 29 May 1996 15:20:40 EHOWARDX
* Change to use HRESULT.
*
* Rev 1.3 20 May 1996 14:31:54 EHOWARDX
* Got rid of asynchronous EndSession/Shutdown stuff.
*
* Rev 1.2 16 May 1996 15:55:56 EHOWARDX
* Replaced LocalSequenceNum with LocalCapDescIdNum.
*
* Rev 1.1 13 May 1996 23:15:46 EHOWARDX
* Fixed remote termcap handling.
*
* Rev 1.0 09 May 1996 21:04:42 EHOWARDX
* Initial revision.
*
* Rev 1.17 09 May 1996 19:38:20 EHOWARDX
* Redesigned locking logic and added new functionality.
*
* Rev 1.16 15 Apr 1996 15:58:14 cjutzi
*
* - added phase2 back
*
* Rev 1.15 15 Apr 1996 13:59:42 cjutzi
*
* - added conflict resolution
* needed to change the api data structure to keep track of the
* outstanding data type..
*
*
* Rev 1.13 01 Apr 1996 16:50:48 cjutzi
*
* - Completed ENdConnection, and made asynch.. rather
* than sync.. as before
* Changed H245ShutDown to be sync rather than async..
*
* Rev 1.12 26 Mar 1996 09:49:08 cjutzi
*
* - ok.. Added Enter&Leave&Init&Delete Critical Sections for Ring 0
*
* Rev 1.11 13 Mar 1996 14:11:38 cjutzi
*
* - removed trace message from PLOCK and VLOCK
* d
*
* Rev 1.10 13 Mar 1996 09:14:06 cjutzi
* - changed LPCRITICAL SECTION to CRITICAL_SECITON *
*
* Rev 1.9 12 Mar 1996 15:49:08 cjutzi
*
* - added locking
*
* Rev 1.8 08 Mar 1996 14:08:02 cjutzi
*
* - added MuxCapsSet and MuxTable stuff for tracking..
*
* Rev 1.7 05 Mar 1996 09:55:08 cjutzi
*
* - added mux table stuff
*
* Rev 1.6 01 Mar 1996 13:47:26 cjutzi
*
* - added a state to Tracker for release indications from fsm
*
* Rev 1.5 15 Feb 1996 10:48:00 cjutzi
* - added some structs to API
* - added some defines for API
*
* Rev 1.4 09 Feb 1996 16:43:06 cjutzi
*
* - added some states
* - added some tracker types
* $Ident$
*
*****************************************************************************/
#ifndef _API_H
#define _API_H
/********************************************************/
/* api Decl */
/********************************************************/
#include <h245api.h> /* Instance and TypeDefs */
#include <h245sys.x> /* critical section stuff */
#include <h245asn1.h> /* for TermCaps */
/* STATES */
#define TRANSMIT 0
#define RECEIVE 1
#define H245_LOCAL 2
#define H245_REMOTE 3
/* from api_util.c */
HRESULT api_init (struct InstanceStruct *pInstance);
HRESULT api_deinit (struct InstanceStruct *pInstance);
typedef struct H245_LINK_T
{
struct H245_LINK_T *p_next;
} H245_LINK_T;
typedef
enum {
API_TERMCAP_T = 0,
API_OPEN_CHANNEL_T,
API_CLOSE_CHANNEL_T,
API_MSTSLV_T,
API_SEND_MUX_T,
API_RECV_MUX_T,
} API_TRACKER_T;
typedef
enum {
API_ST_WAIT_RMTACK = 0x10, /* waiting for remote ask */
API_ST_WAIT_LCLACK, /* waiting for local ack */
API_ST_WAIT_LCLACK_CANCEL, /* request was canceled.. */
API_ST_WAIT_CONF, /* waiting for open confirm (bi only) */
API_ST_IDLE /* for open only */
} API_TRACKER_STATE_T;
typedef
enum {
API_CH_ALLOC_UNDEF = 0x20,
API_CH_ALLOC_LCL,
API_CH_ALLOC_RMT
} API_TRACKER_CH_ALLOC_T;
typedef
enum {
API_CH_TYPE_UNDEF = 0x030,
API_CH_TYPE_UNI,
API_CH_TYPE_BI
} API_TRACKER_CH_T;
/* Tracker Structure */
typedef struct
{
API_TRACKER_CH_ALLOC_T ChannelAlloc; /* who allocated the channel */
API_TRACKER_CH_T ChannelType; /* either bi or uni */
DWORD TxChannel; /* for bi&uni-directional channel */
DWORD RxChannel; /* for bi-directional channel only */
H245_CLIENT_T DataType; /* data type used for conflict */
/* detection */
} TrackerChannelStruct;
typedef union
{
/*
API_OPEN_CHANNEL_T,
API_CLOSE_CHANNEL_T,
*/
TrackerChannelStruct Channel;
/*
API_SEND_MUX_T,
API_RECV_MUX_T,
*/
DWORD MuxEntryCount;
/* don't care */
/*
API_MSTSLV_T,
API_TERMCAP_T
*/
} TrackerUnion;
typedef struct TrackerStruct
{
struct TrackerStruct *p_next;
struct TrackerStruct *p_prev;
DWORD_PTR TransId;
API_TRACKER_STATE_T State;
API_TRACKER_T TrackerType;
TrackerUnion u;
} Tracker_T;
/* API Structure */
typedef struct
{
enum {
APIMS_Undef,
APIMS_InProcess,
APIMS_Master,
APIMS_Slave
} MasterSlave; /* master or slave or inprocess */
enum {
APIST_Undef,
APIST_Inited,
APIST_Connecting,
APIST_Connected,
APIST_Disconnected
} SystemState; /* */
DWORD MuxCapsSet;
DWORD_PTR dwPreserved;
H245_CONF_IND_CALLBACK_T ConfIndCallBack;/* callback for H245 Client */
H245_CAPID_T LocalCapIdNum;
H245_CAPDESCID_T LocalCapDescIdNum;
MltmdSystmCntrlMssg PDU_LocalTermCap;
MltmdSystmCntrlMssg PDU_RemoteTermCap;
#define TERMCAPSET u.MltmdSystmCntrlMssg_rqst.u.terminalCapabilitySet
Tracker_T *pTracker;
} API_STRUCT_T;
#endif // _API_H_