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/* @file
* VBox Remote Desktop Extension (VRDE) - raw TSMF dynamic channel interface.
*/
/*
* Copyright (C) 2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___VBox_RemoteDesktop_VRDETSMF_h
#define ___VBox_RemoteDesktop_VRDETSMF_h
#include <VBox/RemoteDesktop/VRDE.h>
/*
* Interface creating a TSMF dynamic channel instances and sending/receving data.
*
* Async callbacks are used for providing feedback, reporting errors, etc.
*/
#define VRDE_TSMF_INTERFACE_NAME "TSMFRAW"
/* The VRDE server TSMF interface entry points. Interface version 1. */
typedef struct VRDETSMFINTERFACE
{
/* The header. */
VRDEINTERFACEHDR header;
/* Create a new TSMF channel instance.
* The channel is created only for one client, which is connected to the server.
* The client is the first which supports dynamic RDP channels.
*
* If this method return success then the server will use the VRDE_TSMF_N_CREATE_*
* notification to report the channel handle.
*
* @param hServer The VRDE server instance.
* @param pvChannel A context to be associated with the channel.
* @param u32Flags VRDE_TSMF_F_*
*
* @return IPRT status code.
*/
DECLR3CALLBACKMEMBER(int, VRDETSMFChannelCreate, (HVRDESERVER hServer,
void *pvChannel,
uint32_t u32Flags));
/* Close a TSMF channel instance.
*
* @param hServer The VRDE server instance.
* @param u32ChannelHandle Which channel to close.
*
* @return IPRT status code.
*/
DECLR3CALLBACKMEMBER(int, VRDETSMFChannelClose, (HVRDESERVER hServer,
uint32_t u32ChannelHandle));
/* Send data to the TSMF channel instance.
*
* @param hServer The VRDE server instance.
* @param u32ChannelHandle Channel to send data.
* @param pvData Raw data to be sent, the format depends on which
* u32Flags were specified in Create: TSMF message,
* or channel header + TSMF message.
* @param cbData Size of data.
*
* @return IPRT status code.
*/
DECLR3CALLBACKMEMBER(int, VRDETSMFChannelSend, (HVRDESERVER hServer,
uint32_t u32ChannelHandle,
const void *pvData,
uint32_t cbData));
} VRDETSMFINTERFACE;
/* TSMF interface callbacks. */
typedef struct VRDETSMFCALLBACKS
{
/* The header. */
VRDEINTERFACEHDR header;
/* Channel event notification.
*
* @param pvContext The callbacks context specified in VRDEGetInterface.
* @param u32Notification The kind of the notification: VRDE_TSMF_N_*.
* @param pvChannel A context which was used in VRDETSMFChannelCreate.
* @param pvParm The notification specific data.
* @param cbParm The size of buffer pointed by pvParm.
*
* @return IPRT status code.
*/
DECLR3CALLBACKMEMBER(void, VRDETSMFCbNotify, (void *pvContext,
uint32_t u32Notification,
void *pvChannel,
const void *pvParm,
uint32_t cbParm));
} VRDETSMFCALLBACKS;
/* VRDETSMFChannelCreate::u32Flags */
#define VRDE_TSMF_F_CHANNEL_HEADER 0x00000001
/* VRDETSMFCbNotify::u32Notification */
#define VRDE_TSMF_N_CREATE_ACCEPTED 1
#define VRDE_TSMF_N_CREATE_DECLINED 2
#define VRDE_TSMF_N_DATA 3 /* Data received. */
#define VRDE_TSMF_N_DISCONNECTED 4 /* The channel is not connected anymore. */
/*
* Notification parameters.
*/
/* VRDE_TSMF_N_CREATE_ACCEPTED */
typedef struct VRDETSMFNOTIFYCREATEACCEPTED
{
uint32_t u32ChannelHandle;
} VRDETSMFNOTIFYCREATEACCEPTED;
/* VRDE_TSMF_N_EVENT_DATA */
typedef struct VRDETSMFNOTIFYDATA
{
const void *pvData;
uint32_t cbData; /* How many bytes available. */
} VRDETSMFNOTIFYDATA;
#endif
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