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/*********************************************************
* Copyright (C) 2007 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
/*
* dndMsg.h --
*
* DnDMsg represents an rpc message which is sent across the
* wire. Any args that it holds will be written out exactly as stored.
*/
#ifndef _DNDMSG_H_
#define _DNDMSG_H_
#define INCLUDE_ALLOW_USERLEVEL
#include "includeCheck.h"
#include "vm_basic_types.h"
#include "dynbuf.h"
#include "dynarray.h"
#include "dnd.h"
/* Various return types serialization/unserialization functions can return. */
typedef enum {
DNDMSG_SUCCESS = 0,
DNDMSG_ERR,
DNDMSG_NOMEM,
DNDMSG_INPUT_TOO_SMALL, /* Input buffer needs to be bigger. */
DNDMSG_INPUT_ERR, /* Serialize/unserialized failed sanity checks. */
} DnDMsgErr;
/*
* DnD Commands.
*/
typedef enum {
DND_INVALID = 0,
/*
* We need to send mouse packets for old protocols because old guest tools
* manipulate the mouse directly, but in DnD Version 3+, the host controls the
* mouse pointer via foundry.
*/
/* DnD Ver 1/2 Commands */
DND_HG_SEND_MOUSE_PACKET,
/* DnD version 3 commands */
// GHDnD (h->g)
DND_GH_QUERY_PENDING_DRAG,
DND_GH_CANCEL,
DND_GH_COPY_DONE,
// GHDnD (g->h)
DND_GH_DRAG_ENTER,
DND_GH_NOT_PENDING,
// HGDnD (h->g)
DND_HG_DRAG_ENTER,
DND_HG_DRAG_START,
DND_HG_CANCEL,
DND_HG_DROP,
DND_HG_FILE_COPY_DONE,
// HGDnD (g->h)
DND_HG_DRAG_ENTER_DONE,
DND_HG_DRAG_READY,
DND_HG_UPDATE_FEEDBACK,
DND_HG_DROP_DONE,
DND_HG_START_FILE_COPY,
// Add future commands here.
DND_GH_UPDATE_UNITY_DET_WND,
// New command after DnD version 3.1
DND_UPDATE_HOST_VERSION,
DND_UPDATE_GUEST_VERSION,
DND_UPDATE_MOUSE,
DND_GH_PRIVATE_DROP,
DND_GH_TRANSPORT_TEST,
DND_MOVE_DET_WND_TO_MOUSE_POS,
DND_MAX,
} DnDCommand;
/*
* Copy/Paste commands.
*/
typedef enum {
CP_INVALID = 0,
/* DnD version 3 commands. */
// GHCopyPaste (h->g)
CP_GH_GET_CLIPBOARD,
// GHCopyPaste (g->h)
CP_GH_GET_CLIPBOARD_DONE, // FORMAT DATA(property list?)
// HGCopyPaste (h->g)
CP_HG_SET_CLIPBOARD,
CP_HG_FILE_COPY_DONE,
// HGCopyPaste(g->h)
CP_HG_START_FILE_COPY,
// Add future commands here.
CP_GH_TRANSPORT_TEST,
CP_MAX,
} CopyPasteCommand;
/*
* Opaque data structure.
* Members are listed in order of unserialization.
*/
typedef struct DnDMsg {
/* Header */
uint8 ver; // Must be first across all versions.
uint32 cmd;
uint32 nargs;
/* The expected size of the buffer needed to unserialize the arguments. */
uint32 expectedArgsSz;
/* Body */
DynBufArray args;
} DnDMsg;
#define DnDMsg_Success(x) ((x) == DNDMSG_SUCCESS)
void DnDMsg_Init(DnDMsg *msg);
void DnDMsg_Destroy(DnDMsg *msg);
/* Header information. */
uint32 DnDMsg_GetCmd(DnDMsg *msg);
void DnDMsg_SetCmd(DnDMsg *msg, uint32 cmd);
uint32 DnDMsg_NumArgs(DnDMsg *msg);
DynBuf *DnDMsg_GetArg(DnDMsg *msg, uint32 arg);
Bool DnDMsg_AppendArg(DnDMsg *msg, void *buf, size_t len);
Bool DnDMsg_Serialize(DnDMsg *msg, DynBuf *buf);
DnDMsgErr DnDMsg_UnserializeHeader(DnDMsg *msg, void *buf, size_t len);
DnDMsgErr DnDMsg_UnserializeArgs(DnDMsg *msg, void *buf, size_t len);
#endif /* _DNDMSG_H_ */
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