FreeRDP/channels/rdpgfx/client/rdpgfx_main.c
2016-03-16 13:43:18 +01:00

1620 lines
42 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Graphics Pipeline Extension
*
* Copyright 2013-2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2015 Thincast Technologies GmbH
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <winpr/crt.h>
#include <winpr/wlog.h>
#include <winpr/print.h>
#include <winpr/synch.h>
#include <winpr/thread.h>
#include <winpr/stream.h>
#include <winpr/sysinfo.h>
#include <winpr/cmdline.h>
#include <winpr/collections.h>
#include <freerdp/addin.h>
#include <freerdp/channels/log.h>
#include "rdpgfx_common.h"
#include "rdpgfx_codec.h"
#include "rdpgfx_main.h"
#define TAG CHANNELS_TAG("rdpgfx.client")
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_send_caps_advertise_pdu(RDPGFX_CHANNEL_CALLBACK* callback)
{
UINT error;
wStream* s;
UINT16 index;
RDPGFX_PLUGIN* gfx;
RDPGFX_HEADER header;
RDPGFX_CAPSET* capsSet;
RDPGFX_CAPSET capsSets[3];
RDPGFX_CAPS_ADVERTISE_PDU pdu;
gfx = (RDPGFX_PLUGIN*) callback->plugin;
header.flags = 0;
header.cmdId = RDPGFX_CMDID_CAPSADVERTISE;
pdu.capsSetCount = 0;
pdu.capsSets = (RDPGFX_CAPSET*) capsSets;
capsSet = &capsSets[pdu.capsSetCount++];
capsSet->version = RDPGFX_CAPVERSION_8;
capsSet->flags = 0;
if (gfx->ThinClient)
capsSet->flags |= RDPGFX_CAPS_FLAG_THINCLIENT;
if (gfx->SmallCache)
capsSet->flags |= RDPGFX_CAPS_FLAG_SMALL_CACHE;
capsSet = &capsSets[pdu.capsSetCount++];
capsSet->version = RDPGFX_CAPVERSION_81;
capsSet->flags = 0;
if (gfx->ThinClient)
capsSet->flags |= RDPGFX_CAPS_FLAG_THINCLIENT;
if (gfx->SmallCache)
capsSet->flags |= RDPGFX_CAPS_FLAG_SMALL_CACHE;
if (gfx->H264)
capsSet->flags |= RDPGFX_CAPS_FLAG_AVC420_ENABLED;
capsSet = &capsSets[pdu.capsSetCount++];
capsSet->version = RDPGFX_CAPVERSION_10;
capsSet->flags = 0;
if (gfx->SmallCache)
capsSet->flags |= RDPGFX_CAPS_FLAG_SMALL_CACHE;
if (!gfx->H264)
capsSet->flags |= RDPGFX_CAPS_FLAG_AVC_DISABLED;
header.pduLength = RDPGFX_HEADER_SIZE + 2 + (pdu.capsSetCount * RDPGFX_CAPSET_SIZE);
WLog_DBG(TAG, "SendCapsAdvertisePdu");
s = Stream_New(NULL, header.pduLength);
if (!s)
{
WLog_ERR(TAG, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
if ((error = rdpgfx_write_header(s, &header)))
{
WLog_ERR(TAG, "rdpgfx_write_header failed with error %lu!", error);
return error;
}
/* RDPGFX_CAPS_ADVERTISE_PDU */
Stream_Write_UINT16(s, pdu.capsSetCount); /* capsSetCount (2 bytes) */
for (index = 0; index < pdu.capsSetCount; index++)
{
capsSet = &(pdu.capsSets[index]);
Stream_Write_UINT32(s, capsSet->version); /* version (4 bytes) */
Stream_Write_UINT32(s, 4); /* capsDataLength (4 bytes) */
Stream_Write_UINT32(s, capsSet->flags); /* capsData (4 bytes) */
}
Stream_SealLength(s);
error = callback->channel->Write(callback->channel, (UINT32) Stream_Length(s), Stream_Buffer(s), NULL);
Stream_Free(s, TRUE);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_caps_confirm_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_CAPSET capsSet;
UINT32 capsDataLength;
RDPGFX_CAPS_CONFIRM_PDU pdu;
pdu.capsSet = &capsSet;
if (Stream_GetRemainingLength(s) < 12)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT32(s, capsSet.version); /* version (4 bytes) */
Stream_Read_UINT32(s, capsDataLength); /* capsDataLength (4 bytes) */
Stream_Read_UINT32(s, capsSet.flags); /* capsData (4 bytes) */
WLog_DBG(TAG, "RecvCapsConfirmPdu: version: 0x%04X flags: 0x%04X",
capsSet.version, capsSet.flags);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_send_frame_acknowledge_pdu(RDPGFX_CHANNEL_CALLBACK* callback, RDPGFX_FRAME_ACKNOWLEDGE_PDU* pdu)
{
UINT error;
wStream* s;
RDPGFX_HEADER header;
header.flags = 0;
header.cmdId = RDPGFX_CMDID_FRAMEACKNOWLEDGE;
header.pduLength = RDPGFX_HEADER_SIZE + 12;
WLog_DBG(TAG, "SendFrameAcknowledgePdu: %d", pdu->frameId);
s = Stream_New(NULL, header.pduLength);
if (!s)
{
WLog_ERR(TAG, "Stream_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
if ((error = rdpgfx_write_header(s, &header)))
{
WLog_ERR(TAG, "rdpgfx_write_header failed with error %lu!", error);
return error;
}
/* RDPGFX_FRAME_ACKNOWLEDGE_PDU */
Stream_Write_UINT32(s, pdu->queueDepth); /* queueDepth (4 bytes) */
Stream_Write_UINT32(s, pdu->frameId); /* frameId (4 bytes) */
Stream_Write_UINT32(s, pdu->totalFramesDecoded); /* totalFramesDecoded (4 bytes) */
error = callback->channel->Write(callback->channel, (UINT32) Stream_Length(s), Stream_Buffer(s), NULL);
Stream_Free(s, TRUE);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_reset_graphics_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
int pad;
UINT32 index;
MONITOR_DEF* monitor;
RDPGFX_RESET_GRAPHICS_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 12)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT32(s, pdu.width); /* width (4 bytes) */
Stream_Read_UINT32(s, pdu.height); /* height (4 bytes) */
Stream_Read_UINT32(s, pdu.monitorCount); /* monitorCount (4 bytes) */
if (Stream_GetRemainingLength(s) < (pdu.monitorCount * 20))
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
pdu.monitorDefArray = (MONITOR_DEF*) calloc(pdu.monitorCount, sizeof(MONITOR_DEF));
if (!pdu.monitorDefArray)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
for (index = 0; index < pdu.monitorCount; index++)
{
monitor = &(pdu.monitorDefArray[index]);
Stream_Read_UINT32(s, monitor->left); /* left (4 bytes) */
Stream_Read_UINT32(s, monitor->top); /* top (4 bytes) */
Stream_Read_UINT32(s, monitor->right); /* right (4 bytes) */
Stream_Read_UINT32(s, monitor->bottom); /* bottom (4 bytes) */
Stream_Read_UINT32(s, monitor->flags); /* flags (4 bytes) */
}
pad = 340 - (RDPGFX_HEADER_SIZE + 12 + (pdu.monitorCount * 20));
if (Stream_GetRemainingLength(s) < (size_t) pad)
{
WLog_ERR(TAG, "Stream_GetRemainingLength failed!");
free(pdu.monitorDefArray);
return CHANNEL_RC_NO_MEMORY;
}
Stream_Seek(s, pad); /* pad (total size is 340 bytes) */
WLog_DBG(TAG, "RecvResetGraphicsPdu: width: %d height: %d count: %d",
pdu.width, pdu.height, pdu.monitorCount);
if (context)
{
IFCALLRET(context->ResetGraphics, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->ResetGraphics failed with error %lu", error);
}
free(pdu.monitorDefArray);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_evict_cache_entry_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_EVICT_CACHE_ENTRY_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 2)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.cacheSlot); /* cacheSlot (2 bytes) */
WLog_DBG(TAG, "RecvEvictCacheEntryPdu: cacheSlot: %d", pdu.cacheSlot);
if (context)
{
IFCALLRET(context->EvictCacheEntry, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->EvictCacheEntry failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT rdpgfx_recv_cache_import_reply_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
UINT16 index;
RDPGFX_CACHE_IMPORT_REPLY_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 2)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.importedEntriesCount); /* cacheSlot (2 bytes) */
if (Stream_GetRemainingLength(s) < (size_t) (pdu.importedEntriesCount * 2))
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
pdu.cacheSlots = (UINT16*) calloc(pdu.importedEntriesCount, sizeof(UINT16));
if (!pdu.cacheSlots)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
for (index = 0; index < pdu.importedEntriesCount; index++)
{
Stream_Read_UINT16(s, pdu.cacheSlots[index]); /* cacheSlot (2 bytes) */
}
WLog_DBG(TAG, "RecvCacheImportReplyPdu: importedEntriesCount: %d",
pdu.importedEntriesCount);
if (context)
{
IFCALLRET(context->CacheImportReply, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->CacheImportReply failed with error %lu", error);
}
free(pdu.cacheSlots);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_create_surface_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_CREATE_SURFACE_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 7)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT16(s, pdu.width); /* width (2 bytes) */
Stream_Read_UINT16(s, pdu.height); /* height (2 bytes) */
Stream_Read_UINT8(s, pdu.pixelFormat); /* RDPGFX_PIXELFORMAT (1 byte) */
WLog_DBG(TAG, "RecvCreateSurfacePdu: surfaceId: %d width: %d height: %d pixelFormat: 0x%02X",
pdu.surfaceId, pdu.width, pdu.height, pdu.pixelFormat);
if (context)
{
IFCALLRET(context->CreateSurface, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->CreateSurface failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT rdpgfx_recv_delete_surface_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_DELETE_SURFACE_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 2)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
WLog_DBG(TAG, "RecvDeleteSurfacePdu: surfaceId: %d", pdu.surfaceId);
if (context)
{
IFCALLRET(context->DeleteSurface, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->DeleteSurface failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_start_frame_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_START_FRAME_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 8)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT32(s, pdu.timestamp); /* timestamp (4 bytes) */
Stream_Read_UINT32(s, pdu.frameId); /* frameId (4 bytes) */
WLog_DBG(TAG, "RecvStartFramePdu: frameId: %d timestamp: 0x%04X",
pdu.frameId, pdu.timestamp);
if (context)
{
IFCALLRET(context->StartFrame, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->StartFrame failed with error %lu", error);
}
gfx->UnacknowledgedFrames++;
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_end_frame_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_END_FRAME_PDU pdu;
RDPGFX_FRAME_ACKNOWLEDGE_PDU ack;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 4)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT32(s, pdu.frameId); /* frameId (4 bytes) */
WLog_DBG(TAG, "RecvEndFramePdu: frameId: %d", pdu.frameId);
if (context)
{
IFCALLRET(context->EndFrame, error, context, &pdu);
if (error)
{
WLog_ERR(TAG, "context->EndFrame failed with error %lu", error);
return error;
}
}
gfx->UnacknowledgedFrames--;
gfx->TotalDecodedFrames++;
ack.frameId = pdu.frameId;
ack.totalFramesDecoded = gfx->TotalDecodedFrames;
if (gfx->suspendFrameAcks)
{
ack.queueDepth = SUSPEND_FRAME_ACKNOWLEDGEMENT;
if (gfx->TotalDecodedFrames == 1)
if ((error = rdpgfx_send_frame_acknowledge_pdu(callback, &ack)))
WLog_ERR(TAG, "rdpgfx_send_frame_acknowledge_pdu failed with error %lu", error);
}
else
{
ack.queueDepth = QUEUE_DEPTH_UNAVAILABLE;
if ((error = rdpgfx_send_frame_acknowledge_pdu(callback, &ack)))
WLog_ERR(TAG, "rdpgfx_send_frame_acknowledge_pdu failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_wire_to_surface_1_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_SURFACE_COMMAND cmd;
RDPGFX_WIRE_TO_SURFACE_PDU_1 pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
UINT error;
if (Stream_GetRemainingLength(s) < 17)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT16(s, pdu.codecId); /* codecId (2 bytes) */
Stream_Read_UINT8(s, pdu.pixelFormat); /* pixelFormat (1 byte) */
if ((error = rdpgfx_read_rect16(s, &(pdu.destRect)))) /* destRect (8 bytes) */
{
WLog_ERR(TAG, "rdpgfx_read_rect16 failed with error %lu", error);
return error;
}
Stream_Read_UINT32(s, pdu.bitmapDataLength); /* bitmapDataLength (4 bytes) */
if (pdu.bitmapDataLength > Stream_GetRemainingLength(s))
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
pdu.bitmapData = Stream_Pointer(s);
Stream_Seek(s, pdu.bitmapDataLength);
WLog_DBG(TAG, "RecvWireToSurface1Pdu: surfaceId: %d codecId: %s (0x%04X) pixelFormat: 0x%04X "
"destRect: left: %d top: %d right: %d bottom: %d bitmapDataLength: %d",
(int) pdu.surfaceId, rdpgfx_get_codec_id_string(pdu.codecId), pdu.codecId, pdu.pixelFormat,
pdu.destRect.left, pdu.destRect.top, pdu.destRect.right, pdu.destRect.bottom,
pdu.bitmapDataLength);
cmd.surfaceId = pdu.surfaceId;
cmd.codecId = pdu.codecId;
cmd.contextId = 0;
cmd.format = pdu.pixelFormat;
cmd.left = pdu.destRect.left;
cmd.top = pdu.destRect.top;
cmd.right = pdu.destRect.right;
cmd.bottom = pdu.destRect.bottom;
cmd.width = cmd.right - cmd.left;
cmd.height = cmd.bottom - cmd.top;
cmd.length = pdu.bitmapDataLength;
cmd.data = pdu.bitmapData;
if ((error = rdpgfx_decode(gfx, &cmd)))
WLog_ERR(TAG, "rdpgfx_decode failed with error %lu!", error);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_wire_to_surface_2_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_SURFACE_COMMAND cmd;
RDPGFX_WIRE_TO_SURFACE_PDU_2 pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 13)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT16(s, pdu.codecId); /* codecId (2 bytes) */
Stream_Read_UINT32(s, pdu.codecContextId); /* codecContextId (4 bytes) */
Stream_Read_UINT8(s, pdu.pixelFormat); /* pixelFormat (1 byte) */
Stream_Read_UINT32(s, pdu.bitmapDataLength); /* bitmapDataLength (4 bytes) */
pdu.bitmapData = Stream_Pointer(s);
Stream_Seek(s, pdu.bitmapDataLength);
WLog_DBG(TAG, "RecvWireToSurface2Pdu: surfaceId: %d codecId: %s (0x%04X) "
"codecContextId: %d pixelFormat: 0x%04X bitmapDataLength: %d",
(int) pdu.surfaceId, rdpgfx_get_codec_id_string(pdu.codecId), pdu.codecId,
pdu.codecContextId, pdu.pixelFormat, pdu.bitmapDataLength);
cmd.surfaceId = pdu.surfaceId;
cmd.codecId = pdu.codecId;
cmd.contextId = pdu.codecContextId;
cmd.format = pdu.pixelFormat;
cmd.left = 0;
cmd.top = 0;
cmd.right = 0;
cmd.bottom = 0;
cmd.width = 0;
cmd.height = 0;
cmd.length = pdu.bitmapDataLength;
cmd.data = pdu.bitmapData;
if (context)
{
IFCALLRET(context->SurfaceCommand, error, context, &cmd);
if (error)
WLog_ERR(TAG, "context->SurfaceCommand failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_delete_encoding_context_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_DELETE_ENCODING_CONTEXT_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 6)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT32(s, pdu.codecContextId); /* codecContextId (4 bytes) */
WLog_DBG(TAG, "RecvDeleteEncodingContextPdu: surfaceId: %d codecContextId: %d",
pdu.surfaceId, pdu.codecContextId);
if (context)
{
IFCALLRET(context->DeleteEncodingContext, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->DeleteEncodingContext failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT rdpgfx_recv_solid_fill_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
UINT16 index;
RECTANGLE_16* fillRect;
RDPGFX_SOLID_FILL_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error;
if (Stream_GetRemainingLength(s) < 8)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
if ((error = rdpgfx_read_color32(s, &(pdu.fillPixel)))) /* fillPixel (4 bytes) */
{
WLog_ERR(TAG, "rdpgfx_read_color32 failed with error %lu!", error);
return error;
}
Stream_Read_UINT16(s, pdu.fillRectCount); /* fillRectCount (2 bytes) */
if (Stream_GetRemainingLength(s) < (size_t) (pdu.fillRectCount * 8))
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
pdu.fillRects = (RECTANGLE_16*) calloc(pdu.fillRectCount, sizeof(RECTANGLE_16));
if (!pdu.fillRects)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
for (index = 0; index < pdu.fillRectCount; index++)
{
fillRect = &(pdu.fillRects[index]);
if ((error = rdpgfx_read_rect16(s, fillRect)))
{
WLog_ERR(TAG, "rdpgfx_read_rect16 failed with error %lu!", error);
free(pdu.fillRects);
return error;
}
}
WLog_DBG(TAG, "RecvSolidFillPdu: surfaceId: %d fillRectCount: %d",
pdu.surfaceId, pdu.fillRectCount);
if (context)
{
IFCALLRET(context->SolidFill, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->SolidFill failed with error %lu", error);
}
free(pdu.fillRects);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_surface_to_surface_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
UINT16 index;
RDPGFX_POINT16* destPt;
RDPGFX_SURFACE_TO_SURFACE_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error;
if (Stream_GetRemainingLength(s) < 14)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceIdSrc); /* surfaceIdSrc (2 bytes) */
Stream_Read_UINT16(s, pdu.surfaceIdDest); /* surfaceIdDest (2 bytes) */
if ((error = rdpgfx_read_rect16(s, &(pdu.rectSrc)))) /* rectSrc (8 bytes ) */
{
WLog_ERR(TAG, "rdpgfx_read_rect16 failed with error %lu!", error);
return error;
}
Stream_Read_UINT16(s, pdu.destPtsCount); /* destPtsCount (2 bytes) */
if (Stream_GetRemainingLength(s) < (size_t) (pdu.destPtsCount * 4))
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
pdu.destPts = (RDPGFX_POINT16*) calloc(pdu.destPtsCount, sizeof(RDPGFX_POINT16));
if (!pdu.destPts)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
for (index = 0; index < pdu.destPtsCount; index++)
{
destPt = &(pdu.destPts[index]);
if ((error = rdpgfx_read_point16(s, destPt)))
{
WLog_ERR(TAG, "rdpgfx_read_point16 failed with error %lu!", error);
free(pdu.destPts);
return error;
}
}
WLog_DBG(TAG, "RecvSurfaceToSurfacePdu: surfaceIdSrc: %d surfaceIdDest: %d "
"left: %d top: %d right: %d bottom: %d destPtsCount: %d",
pdu.surfaceIdSrc, pdu.surfaceIdDest,
pdu.rectSrc.left, pdu.rectSrc.top, pdu.rectSrc.right, pdu.rectSrc.bottom,
pdu.destPtsCount);
if (context)
{
IFCALLRET(context->SurfaceToSurface, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->SurfaceToSurface failed with error %lu", error);
}
free(pdu.destPts);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_surface_to_cache_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_SURFACE_TO_CACHE_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error;
if (Stream_GetRemainingLength(s) < 20)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT64(s, pdu.cacheKey); /* cacheKey (8 bytes) */
Stream_Read_UINT16(s, pdu.cacheSlot); /* cacheSlot (2 bytes) */
if ((error = rdpgfx_read_rect16(s, &(pdu.rectSrc)))) /* rectSrc (8 bytes ) */
{
WLog_ERR(TAG, "rdpgfx_read_rect16 failed with error %lu!", error);
return error;
}
WLog_DBG(TAG, "RecvSurfaceToCachePdu: surfaceId: %d cacheKey: 0x%08X cacheSlot: %d "
"left: %d top: %d right: %d bottom: %d",
pdu.surfaceId, (int) pdu.cacheKey, pdu.cacheSlot,
pdu.rectSrc.left, pdu.rectSrc.top,
pdu.rectSrc.right, pdu.rectSrc.bottom);
if (context)
{
IFCALLRET(context->SurfaceToCache, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->SurfaceToCache failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT rdpgfx_recv_cache_to_surface_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
UINT16 index;
RDPGFX_POINT16* destPt;
RDPGFX_CACHE_TO_SURFACE_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 6)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.cacheSlot); /* cacheSlot (2 bytes) */
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT16(s, pdu.destPtsCount); /* destPtsCount (2 bytes) */
if (Stream_GetRemainingLength(s) < (size_t) (pdu.destPtsCount * 4))
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
pdu.destPts = (RDPGFX_POINT16*) calloc(pdu.destPtsCount, sizeof(RDPGFX_POINT16));
if (!pdu.destPts)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
for (index = 0; index < pdu.destPtsCount; index++)
{
destPt = &(pdu.destPts[index]);
if ((error = rdpgfx_read_point16(s, destPt)))
{
WLog_ERR(TAG, "rdpgfx_read_point16 failed with error %lu", error);
free(pdu.destPts);
return error;
}
}
WLog_DBG(TAG, "RdpGfxRecvCacheToSurfacePdu: cacheSlot: %d surfaceId: %d destPtsCount: %d",
pdu.cacheSlot, (int) pdu.surfaceId, pdu.destPtsCount);
if (context)
{
IFCALLRET(context->CacheToSurface, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->CacheToSurface failed with error %lu", error);
}
free(pdu.destPts);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_map_surface_to_output_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_MAP_SURFACE_TO_OUTPUT_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 12)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT16(s, pdu.reserved); /* reserved (2 bytes) */
Stream_Read_UINT32(s, pdu.outputOriginX); /* outputOriginX (4 bytes) */
Stream_Read_UINT32(s, pdu.outputOriginY); /* outputOriginY (4 bytes) */
WLog_DBG(TAG, "RecvMapSurfaceToOutputPdu: surfaceId: %d outputOriginX: %d outputOriginY: %d",
(int) pdu.surfaceId, pdu.outputOriginX, pdu.outputOriginY);
if (context)
{
IFCALLRET(context->MapSurfaceToOutput, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->MapSurfaceToOutput failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT rdpgfx_recv_map_surface_to_window_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
RDPGFX_MAP_SURFACE_TO_WINDOW_PDU pdu;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
if (Stream_GetRemainingLength(s) < 18)
{
WLog_ERR(TAG, "not enought data!");
return ERROR_INVALID_DATA;
}
Stream_Read_UINT16(s, pdu.surfaceId); /* surfaceId (2 bytes) */
Stream_Read_UINT64(s, pdu.windowId); /* windowId (8 bytes) */
Stream_Read_UINT32(s, pdu.mappedWidth); /* mappedWidth (4 bytes) */
Stream_Read_UINT32(s, pdu.mappedHeight); /* mappedHeight (4 bytes) */
WLog_DBG(TAG, "RecvMapSurfaceToWindowPdu: surfaceId: %d windowId: 0x%04X mappedWidth: %d mappedHeight: %d",
pdu.surfaceId, (int) pdu.windowId, pdu.mappedWidth, pdu.mappedHeight);
if (context && context->MapSurfaceToWindow)
{
IFCALLRET(context->MapSurfaceToWindow, error, context, &pdu);
if (error)
WLog_ERR(TAG, "context->MapSurfaceToWindow failed with error %lu", error);
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_recv_pdu(RDPGFX_CHANNEL_CALLBACK* callback, wStream* s)
{
int beg, end;
RDPGFX_HEADER header;
UINT error;
beg = Stream_GetPosition(s);
if ((error = rdpgfx_read_header(s, &header)))
{
WLog_ERR(TAG, "rdpgfx_read_header failed with error %lu!", error);
return error;
}
#if 1
WLog_DBG(TAG, "cmdId: %s (0x%04X) flags: 0x%04X pduLength: %d",
rdpgfx_get_cmd_id_string(header.cmdId), header.cmdId, header.flags, header.pduLength);
#endif
switch (header.cmdId)
{
case RDPGFX_CMDID_WIRETOSURFACE_1:
if ((error = rdpgfx_recv_wire_to_surface_1_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_wire_to_surface_1_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_WIRETOSURFACE_2:
if ((error = rdpgfx_recv_wire_to_surface_2_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_wire_to_surface_2_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_DELETEENCODINGCONTEXT:
if ((error = rdpgfx_recv_delete_encoding_context_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_delete_encoding_context_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_SOLIDFILL:
if ((error = rdpgfx_recv_solid_fill_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_solid_fill_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_SURFACETOSURFACE:
if ((error = rdpgfx_recv_surface_to_surface_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_surface_to_surface_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_SURFACETOCACHE:
if ((error = rdpgfx_recv_surface_to_cache_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_surface_to_cache_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_CACHETOSURFACE:
if ((error = rdpgfx_recv_cache_to_surface_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_cache_to_surface_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_EVICTCACHEENTRY:
if ((error = rdpgfx_recv_evict_cache_entry_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_evict_cache_entry_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_CREATESURFACE:
if ((error = rdpgfx_recv_create_surface_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_create_surface_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_DELETESURFACE:
if ((error = rdpgfx_recv_delete_surface_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_delete_surface_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_STARTFRAME:
if ((error = rdpgfx_recv_start_frame_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_start_frame_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_ENDFRAME:
if ((error = rdpgfx_recv_end_frame_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_end_frame_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_RESETGRAPHICS:
if ((error = rdpgfx_recv_reset_graphics_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_reset_graphics_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_MAPSURFACETOOUTPUT:
if ((error = rdpgfx_recv_map_surface_to_output_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_map_surface_to_output_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_CACHEIMPORTREPLY:
if ((error = rdpgfx_recv_cache_import_reply_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_cache_import_reply_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_CAPSCONFIRM:
if ((error = rdpgfx_recv_caps_confirm_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_caps_confirm_pdu failed with error %lu!", error);
break;
case RDPGFX_CMDID_MAPSURFACETOWINDOW:
if ((error = rdpgfx_recv_map_surface_to_window_pdu(callback, s)))
WLog_ERR(TAG, "rdpgfx_recv_map_surface_to_window_pdu failed with error %lu!", error);
break;
default:
error = CHANNEL_RC_BAD_PROC;
break;
}
if (error)
{
WLog_ERR(TAG, "Error while parsing GFX cmdId: %s (0x%04X)",
rdpgfx_get_cmd_id_string(header.cmdId), header.cmdId);
return error;
}
end = Stream_GetPosition(s);
if (end != (beg + header.pduLength))
{
WLog_ERR(TAG, "Unexpected gfx pdu end: Actual: %d, Expected: %d",
end, (beg + header.pduLength));
Stream_SetPosition(s, (beg + header.pduLength));
}
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_on_data_received(IWTSVirtualChannelCallback* pChannelCallback, wStream* data)
{
wStream* s;
int status = 0;
UINT32 DstSize = 0;
BYTE* pDstData = NULL;
RDPGFX_CHANNEL_CALLBACK* callback = (RDPGFX_CHANNEL_CALLBACK*) pChannelCallback;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
UINT error = CHANNEL_RC_OK;
status = zgfx_decompress(gfx->zgfx, Stream_Pointer(data), Stream_GetRemainingLength(data), &pDstData, &DstSize, 0);
if (status < 0)
{
WLog_ERR(TAG, "zgfx_decompress failure! status: %d", status);
return ERROR_INTERNAL_ERROR;
}
s = Stream_New(pDstData, DstSize);
if (!s)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
while (((size_t) Stream_GetPosition(s)) < Stream_Length(s))
{
if ((error = rdpgfx_recv_pdu(callback, s)))
{
WLog_ERR(TAG, "rdpgfx_recv_pdu failed with error %lu!", error);
break;
}
}
Stream_Free(s, TRUE);
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_on_open(IWTSVirtualChannelCallback* pChannelCallback)
{
RDPGFX_CHANNEL_CALLBACK* callback = (RDPGFX_CHANNEL_CALLBACK*) pChannelCallback;
WLog_DBG(TAG, "OnOpen");
return rdpgfx_send_caps_advertise_pdu(callback);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_on_close(IWTSVirtualChannelCallback* pChannelCallback)
{
int count;
int index;
ULONG_PTR* pKeys = NULL;
RDPGFX_CHANNEL_CALLBACK* callback = (RDPGFX_CHANNEL_CALLBACK*) pChannelCallback;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) callback->plugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
WLog_DBG(TAG, "OnClose");
free(callback);
gfx->UnacknowledgedFrames = 0;
gfx->TotalDecodedFrames = 0;
if (gfx->zgfx)
{
zgfx_context_free(gfx->zgfx);
gfx->zgfx = zgfx_context_new(FALSE);
if (!gfx->zgfx)
return CHANNEL_RC_NO_MEMORY;
}
count = HashTable_GetKeys(gfx->SurfaceTable, &pKeys);
for (index = 0; index < count; index++)
{
RDPGFX_DELETE_SURFACE_PDU pdu;
pdu.surfaceId = ((UINT16) pKeys[index]) - 1;
if (context && context->DeleteSurface)
{
context->DeleteSurface(context, &pdu);
}
}
free(pKeys);
for (index = 0; index < gfx->MaxCacheSlot; index++)
{
if (gfx->CacheSlots[index])
{
RDPGFX_EVICT_CACHE_ENTRY_PDU pdu;
pdu.cacheSlot = (UINT16) index;
if (context && context->EvictCacheEntry)
{
context->EvictCacheEntry(context, &pdu);
}
gfx->CacheSlots[index] = NULL;
}
}
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_on_new_channel_connection(IWTSListenerCallback* pListenerCallback,
IWTSVirtualChannel* pChannel, BYTE* Data, BOOL* pbAccept,
IWTSVirtualChannelCallback** ppCallback)
{
RDPGFX_CHANNEL_CALLBACK* callback;
RDPGFX_LISTENER_CALLBACK* listener_callback = (RDPGFX_LISTENER_CALLBACK*) pListenerCallback;
callback = (RDPGFX_CHANNEL_CALLBACK*) calloc(1, sizeof(RDPGFX_CHANNEL_CALLBACK));
if (!callback)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
callback->iface.OnDataReceived = rdpgfx_on_data_received;
callback->iface.OnOpen = rdpgfx_on_open;
callback->iface.OnClose = rdpgfx_on_close;
callback->plugin = listener_callback->plugin;
callback->channel_mgr = listener_callback->channel_mgr;
callback->channel = pChannel;
listener_callback->channel_callback = callback;
*ppCallback = (IWTSVirtualChannelCallback*) callback;
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_plugin_initialize(IWTSPlugin* pPlugin, IWTSVirtualChannelManager* pChannelMgr)
{
UINT error;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) pPlugin;
gfx->listener_callback = (RDPGFX_LISTENER_CALLBACK*) calloc(1, sizeof(RDPGFX_LISTENER_CALLBACK));
if (!gfx->listener_callback)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
gfx->listener_callback->iface.OnNewChannelConnection = rdpgfx_on_new_channel_connection;
gfx->listener_callback->plugin = pPlugin;
gfx->listener_callback->channel_mgr = pChannelMgr;
error = pChannelMgr->CreateListener(pChannelMgr, RDPGFX_DVC_CHANNEL_NAME, 0,
(IWTSListenerCallback*) gfx->listener_callback, &(gfx->listener));
gfx->listener->pInterface = gfx->iface.pInterface;
WLog_DBG(TAG, "Initialize");
return error;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_plugin_terminated(IWTSPlugin* pPlugin)
{
int count;
int index;
ULONG_PTR* pKeys = NULL;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) pPlugin;
RdpgfxClientContext* context = (RdpgfxClientContext*) gfx->iface.pInterface;
UINT error = CHANNEL_RC_OK;
WLog_DBG(TAG, "Terminated");
if (gfx->listener_callback)
{
free(gfx->listener_callback);
gfx->listener_callback = NULL;
}
if (gfx->zgfx)
{
zgfx_context_free(gfx->zgfx);
gfx->zgfx = NULL;
}
count = HashTable_GetKeys(gfx->SurfaceTable, &pKeys);
for (index = 0; index < count; index++)
{
RDPGFX_DELETE_SURFACE_PDU pdu;
pdu.surfaceId = ((UINT16) pKeys[index]) - 1;
if (context)
{
IFCALLRET(context->DeleteSurface, error, context, &pdu);
if (error)
{
WLog_ERR(TAG, "context->DeleteSurface failed with error %lu", error);
free(pKeys);
free(context);
free(gfx);
return error;
}
}
}
free(pKeys);
HashTable_Free(gfx->SurfaceTable);
for (index = 0; index < gfx->MaxCacheSlot; index++)
{
if (gfx->CacheSlots[index])
{
RDPGFX_EVICT_CACHE_ENTRY_PDU pdu;
pdu.cacheSlot = (UINT16) index;
if (context)
{
IFCALLRET(context->EvictCacheEntry, error, context, &pdu);
if (error)
{
WLog_ERR(TAG, "context->EvictCacheEntry failed with error %lu", error);
free(context);
free(gfx);
return error;
}
}
gfx->CacheSlots[index] = NULL;
}
}
free(context);
free(gfx);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_set_surface_data(RdpgfxClientContext* context, UINT16 surfaceId, void* pData)
{
ULONG_PTR key;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) context->handle;
key = ((ULONG_PTR) surfaceId) + 1;
if (pData)
HashTable_Add(gfx->SurfaceTable, (void*) key, pData);
else
HashTable_Remove(gfx->SurfaceTable, (void*) key);
return CHANNEL_RC_OK;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_get_surface_ids(RdpgfxClientContext* context, UINT16** ppSurfaceIds, UINT16* count_out)
{
int count;
int index;
UINT16* pSurfaceIds;
ULONG_PTR* pKeys = NULL;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) context->handle;
count = HashTable_GetKeys(gfx->SurfaceTable, &pKeys);
if (count < 1)
{
*count_out = 0;
return CHANNEL_RC_OK;
}
pSurfaceIds = (UINT16*) malloc(count * sizeof(UINT16));
if (!pSurfaceIds)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
for (index = 0; index < count; index++)
{
pSurfaceIds[index] = pKeys[index] - 1;
}
free(pKeys);
*ppSurfaceIds = pSurfaceIds;
*count_out = (UINT16)count;
return CHANNEL_RC_OK;
}
static void* rdpgfx_get_surface_data(RdpgfxClientContext* context, UINT16 surfaceId)
{
ULONG_PTR key;
void* pData = NULL;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) context->handle;
key = ((ULONG_PTR) surfaceId) + 1;
pData = HashTable_GetItemValue(gfx->SurfaceTable, (void*) key);
return pData;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_set_cache_slot_data(RdpgfxClientContext* context, UINT16 cacheSlot, void* pData)
{
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) context->handle;
if (cacheSlot >= gfx->MaxCacheSlot)
return ERROR_INVALID_INDEX;
gfx->CacheSlots[cacheSlot] = pData;
return CHANNEL_RC_OK;
}
void* rdpgfx_get_cache_slot_data(RdpgfxClientContext* context, UINT16 cacheSlot)
{
void* pData = NULL;
RDPGFX_PLUGIN* gfx = (RDPGFX_PLUGIN*) context->handle;
if (cacheSlot >= gfx->MaxCacheSlot)
return NULL;
pData = gfx->CacheSlots[cacheSlot];
return pData;
}
#ifdef STATIC_CHANNELS
#define DVCPluginEntry rdpgfx_DVCPluginEntry
#else
#define DVCPluginEntry FREERDP_API DVCPluginEntry
#endif
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT DVCPluginEntry(IDRDYNVC_ENTRY_POINTS* pEntryPoints)
{
UINT error = CHANNEL_RC_OK;
RDPGFX_PLUGIN* gfx;
RdpgfxClientContext* context;
gfx = (RDPGFX_PLUGIN*) pEntryPoints->GetPlugin(pEntryPoints, "rdpgfx");
if (!gfx)
{
gfx = (RDPGFX_PLUGIN*) calloc(1, sizeof(RDPGFX_PLUGIN));
if (!gfx)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
gfx->settings = (rdpSettings*) pEntryPoints->GetRdpSettings(pEntryPoints);
gfx->iface.Initialize = rdpgfx_plugin_initialize;
gfx->iface.Connected = NULL;
gfx->iface.Disconnected = NULL;
gfx->iface.Terminated = rdpgfx_plugin_terminated;
gfx->SurfaceTable = HashTable_New(TRUE);
if (!gfx->SurfaceTable)
{
free (gfx);
WLog_ERR(TAG, "HashTable_New failed!");
return CHANNEL_RC_NO_MEMORY;
}
gfx->ThinClient = gfx->settings->GfxThinClient;
gfx->SmallCache = gfx->settings->GfxSmallCache;
gfx->Progressive = gfx->settings->GfxProgressive;
gfx->ProgressiveV2 = gfx->settings->GfxProgressiveV2;
gfx->H264 = gfx->settings->GfxH264;
if (gfx->H264)
gfx->SmallCache = TRUE;
if (gfx->SmallCache)
gfx->ThinClient = FALSE;
gfx->MaxCacheSlot = (gfx->ThinClient) ? 4096 : 25600;
context = (RdpgfxClientContext*) calloc(1, sizeof(RdpgfxClientContext));
if (!context)
{
free(gfx);
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
context->handle = (void*) gfx;
context->GetSurfaceIds = rdpgfx_get_surface_ids;
context->SetSurfaceData = rdpgfx_set_surface_data;
context->GetSurfaceData = rdpgfx_get_surface_data;
context->SetCacheSlotData = rdpgfx_set_cache_slot_data;
context->GetCacheSlotData = rdpgfx_get_cache_slot_data;
gfx->iface.pInterface = (void*) context;
gfx->zgfx = zgfx_context_new(FALSE);
if (!gfx->zgfx)
{
free(gfx);
free(context);
WLog_ERR(TAG, "zgfx_context_new failed!");
return CHANNEL_RC_NO_MEMORY;
}
error = pEntryPoints->RegisterPlugin(pEntryPoints, "rdpgfx", (IWTSPlugin*) gfx);
}
return error;
}