146 lines
8.3 KiB
OpenEdge ABL
146 lines
8.3 KiB
OpenEdge ABL
/****************************************************************************/
|
|
/* Header: pchannel.h */
|
|
/* */
|
|
/* Purpose: Virtual Channel protocol header - VC stuff common to Client & */
|
|
/* Server */
|
|
/* */
|
|
/* Copyright(C) Microsoft Corporation 1999 */
|
|
/* */
|
|
/****************************************************************************/
|
|
|
|
#ifndef _H_PCHANNEL
|
|
#define _H_PCHANNEL
|
|
|
|
/****************************************************************************/
|
|
/* Maximum amount of data that is sent in one operation. Data larger than */
|
|
/* this is segmented into chunks of this size and sent as multiple */
|
|
/* operations. */
|
|
/****************************************************************************/
|
|
#define CHANNEL_CHUNK_LENGTH 1600
|
|
|
|
#define CHANNEL_PDU_LENGTH (CHANNEL_CHUNK_LENGTH + sizeof(CHANNEL_PDU_HEADER))
|
|
|
|
/****************************************************************************/
|
|
/* Header flags (also passed to VirtualChannelOpenEventFn) */
|
|
/****************************************************************************/
|
|
#define CHANNEL_FLAG_FIRST 0x01
|
|
#define CHANNEL_FLAG_LAST 0x02
|
|
#define CHANNEL_FLAG_ONLY (CHANNEL_FLAG_FIRST | CHANNEL_FLAG_LAST)
|
|
#define CHANNEL_FLAG_MIDDLE 0
|
|
|
|
#define CHANNEL_FLAG_FAIL 0x100
|
|
|
|
/****************************************************************************/
|
|
/* Virtual Channel options, passed by Client on VirtualChannelOpen */
|
|
/****************************************************************************/
|
|
|
|
/****************************************************************************/
|
|
/* Application is initialized. If this flag is not set, a virtual channel */
|
|
/* is not established for this application */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_INITIALIZED 0x80000000
|
|
|
|
/****************************************************************************/
|
|
/* Encrypt according to RDP data encryption (ie if RDP data is encrypted, */
|
|
/* do so for this virtual channel too) */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_ENCRYPT_RDP 0x40000000
|
|
|
|
/****************************************************************************/
|
|
/* Encrypt Server to Client data (ignored if CHANNEL_OPTION_ENCRYPT_RDP is */
|
|
/* set) */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_ENCRYPT_SC 0x20000000
|
|
|
|
/****************************************************************************/
|
|
/* Encrypt Client to Server data (ignored if CHANNEL_OPTION_ENCRYPT_RDP is */
|
|
/* set) */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_ENCRYPT_CS 0x10000000
|
|
|
|
/****************************************************************************/
|
|
/* Send data at high priority (not recommended, as this may impact RDP */
|
|
/* performance) */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_PRI_HIGH 0x08000000
|
|
|
|
/****************************************************************************/
|
|
/* Send data at medium priority */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_PRI_MED 0x04000000
|
|
|
|
/****************************************************************************/
|
|
/* Send data at low priority */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_PRI_LOW 0x02000000
|
|
|
|
/****************************************************************************/
|
|
/* Compress data in this virtual channel if RDP data compression is */
|
|
/* configured for this connection */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_COMPRESS_RDP 0x00800000
|
|
|
|
/****************************************************************************/
|
|
/* Compress data in this virtual channel, irrespective of RDP data */
|
|
/* compression (ignored if CHANNEL_OPTION_COMPRESS_RDP is set) */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_COMPRESS 0x00400000
|
|
|
|
/****************************************************************************/
|
|
/* Show Server addins the full Virtual Channel protocol. This option */
|
|
/* affects how data passed to VirtualChannelWrite is presented to Server */
|
|
/* addins. */
|
|
/* */
|
|
/* - If this option is set, Server addins see the full Virtual Channel */
|
|
/* protocol, including CHANNEL_PDU_HEADER (below). */
|
|
/* */
|
|
/* -If this option is not set, Server addins see just the data passed to */
|
|
/* VirtualChannelWrite */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_SHOW_PROTOCOL 0x00200000
|
|
|
|
/****************************************************************************/
|
|
/* Specify that this channel is persistent accross remote control */
|
|
/* transitions. */
|
|
/****************************************************************************/
|
|
#define CHANNEL_OPTION_REMOTE_CONTROL_PERSISTENT 0x00100000
|
|
|
|
/****************************************************************************/
|
|
/* Maximum number and size of channel names */
|
|
/****************************************************************************/
|
|
#define CHANNEL_MAX_COUNT 30
|
|
#define CHANNEL_NAME_LEN 7
|
|
|
|
/****************************************************************************/
|
|
/* Structure: CHANNEL_DEF */
|
|
/* */
|
|
/* Description: Client to Server virtual channel information */
|
|
/* - name channel name */
|
|
/* - options channel options (a combination of the CHANNEL_OPTION */
|
|
/* constants above) */
|
|
/****************************************************************************/
|
|
typedef struct tagCHANNEL_DEF
|
|
{
|
|
char name[CHANNEL_NAME_LEN + 1];
|
|
ULONG options;
|
|
} CHANNEL_DEF;
|
|
typedef CHANNEL_DEF UNALIGNED FAR *PCHANNEL_DEF;
|
|
typedef PCHANNEL_DEF UNALIGNED FAR *PPCHANNEL_DEF;
|
|
|
|
/****************************************************************************/
|
|
/* Header of Virtual Channel PDUs */
|
|
/****************************************************************************/
|
|
/****************************************************************************/
|
|
/* Structure: CHANNEL_PDU_HEADER */
|
|
/* */
|
|
/* Description: Header sent on Virtual Channel PDUs */
|
|
/****************************************************************************/
|
|
typedef struct tagCHANNEL_PDU_HEADER
|
|
{
|
|
UINT32 length; /* Length of data including header */
|
|
UINT32 flags; /* CHANNEL_FLAG_xxx flags */
|
|
} CHANNEL_PDU_HEADER, FAR * PCHANNEL_PDU_HEADER;
|
|
/****************************************************************************/
|
|
|
|
#endif /* _H_PCHANNEL */
|