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/**
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* FreeRDP: A Remote Desktop Protocol Client
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* FreeRDP Windows Server
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*
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* Copyright 2012 Corey Clayton <can.of.tuna@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include <freerdp/build-config.h>
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#include <winpr/tchar.h>
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#include <winpr/windows.h>
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#include "wf_info.h"
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#include "wf_update.h"
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#include "wf_mirage.h"
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#include "wf_dxgi.h"
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#include <freerdp/log.h>
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#define TAG SERVER_TAG("windows")
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#define SERVER_KEY "Software\\" FREERDP_VENDOR_STRING "\\" FREERDP_PRODUCT_STRING "\\Server"
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static wfInfo* wfInfoInstance = NULL;
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static int _IDcount = 0;
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BOOL wf_info_lock(wfInfo* wfi)
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{
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DWORD dRes;
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dRes = WaitForSingleObject(wfi->mutex, INFINITE);
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switch (dRes)
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{
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case WAIT_ABANDONED:
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case WAIT_OBJECT_0:
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return TRUE;
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case WAIT_TIMEOUT:
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return FALSE;
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case WAIT_FAILED:
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WLog_ERR(TAG, "wf_info_lock failed with 0x%08lX", GetLastError());
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return FALSE;
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}
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return FALSE;
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}
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BOOL wf_info_try_lock(wfInfo* wfi, DWORD dwMilliseconds)
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{
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DWORD dRes;
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dRes = WaitForSingleObject(wfi->mutex, dwMilliseconds);
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switch (dRes)
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{
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case WAIT_ABANDONED:
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case WAIT_OBJECT_0:
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return TRUE;
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case WAIT_TIMEOUT:
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return FALSE;
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case WAIT_FAILED:
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WLog_ERR(TAG, "wf_info_try_lock failed with 0x%08lX", GetLastError());
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return FALSE;
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}
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return FALSE;
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}
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BOOL wf_info_unlock(wfInfo* wfi)
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{
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if (!ReleaseMutex(wfi->mutex))
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{
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WLog_ERR(TAG, "wf_info_unlock failed with 0x%08lX", GetLastError());
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return FALSE;
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}
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return TRUE;
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}
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wfInfo* wf_info_init()
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{
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wfInfo* wfi;
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wfi = (wfInfo*)calloc(1, sizeof(wfInfo));
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if (wfi != NULL)
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{
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HKEY hKey;
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LONG status;
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DWORD dwType;
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DWORD dwSize;
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DWORD dwValue;
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wfi->mutex = CreateMutex(NULL, FALSE, NULL);
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if (wfi->mutex == NULL)
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{
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WLog_ERR(TAG, "CreateMutex error: %lu", GetLastError());
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free(wfi);
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return NULL;
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}
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wfi->updateSemaphore = CreateSemaphore(NULL, 0, 32, NULL);
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if (!wfi->updateSemaphore)
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{
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WLog_ERR(TAG, "CreateSemaphore error: %lu", GetLastError());
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CloseHandle(wfi->mutex);
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free(wfi);
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return NULL;
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}
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wfi->updateThread = CreateThread(NULL, 0, wf_update_thread, wfi, CREATE_SUSPENDED, NULL);
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if (!wfi->updateThread)
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{
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WLog_ERR(TAG, "Failed to create update thread");
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CloseHandle(wfi->mutex);
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CloseHandle(wfi->updateSemaphore);
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free(wfi);
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return NULL;
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}
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wfi->peers =
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(freerdp_peer**)calloc(FREERDP_SERVER_WIN_INFO_MAXPEERS, sizeof(freerdp_peer*));
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if (!wfi->peers)
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{
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WLog_ERR(TAG, "Failed to allocate memory for peer");
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CloseHandle(wfi->mutex);
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1fb8d4 |
CloseHandle(wfi->updateSemaphore);
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CloseHandle(wfi->updateThread);
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free(wfi);
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return NULL;
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}
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5a9772 |
// Set FPS
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5a9772 |
wfi->framesPerSecond = FREERDP_SERVER_WIN_INFO_DEFAULT_FPS;
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5a9772 |
status =
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RegOpenKeyExA(HKEY_LOCAL_MACHINE, SERVER_KEY, 0, KEY_READ | KEY_WOW64_64KEY, &hKey);
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if (status == ERROR_SUCCESS)
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1fb8d4 |
{
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5a9772 |
if (RegQueryValueEx(hKey, _T("FramesPerSecond"), NULL, &dwType, (BYTE*)&dwValue,
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5a9772 |
&dwSize) == ERROR_SUCCESS)
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wfi->framesPerSecond = dwValue;
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1fb8d4 |
}
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1fb8d4 |
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RegCloseKey(hKey);
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5a9772 |
// Set input toggle
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1fb8d4 |
wfi->input_disabled = FALSE;
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5a9772 |
status =
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5a9772 |
RegOpenKeyExA(HKEY_LOCAL_MACHINE, SERVER_KEY, 0, KEY_READ | KEY_WOW64_64KEY, &hKey);
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1fb8d4 |
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1fb8d4 |
if (status == ERROR_SUCCESS)
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1fb8d4 |
{
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5a9772 |
if (RegQueryValueEx(hKey, _T("DisableInput"), NULL, &dwType, (BYTE*)&dwValue,
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Packit Service |
5a9772 |
&dwSize) == ERROR_SUCCESS)
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|
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1fb8d4 |
{
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Packit |
1fb8d4 |
if (dwValue != 0)
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1fb8d4 |
wfi->input_disabled = TRUE;
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1fb8d4 |
}
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}
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5a9772 |
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1fb8d4 |
RegCloseKey(hKey);
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1fb8d4 |
}
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1fb8d4 |
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1fb8d4 |
return wfi;
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1fb8d4 |
}
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1fb8d4 |
|
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1fb8d4 |
wfInfo* wf_info_get_instance()
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|
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1fb8d4 |
{
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1fb8d4 |
if (wfInfoInstance == NULL)
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1fb8d4 |
wfInfoInstance = wf_info_init();
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1fb8d4 |
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1fb8d4 |
return wfInfoInstance;
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1fb8d4 |
}
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1fb8d4 |
|
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1fb8d4 |
BOOL wf_info_peer_register(wfInfo* wfi, wfPeerContext* context)
|
|
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1fb8d4 |
{
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|
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1fb8d4 |
int i;
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1fb8d4 |
int peerId;
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1fb8d4 |
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1fb8d4 |
if (!wfi || !context)
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return FALSE;
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1fb8d4 |
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Packit |
1fb8d4 |
if (!wf_info_lock(wfi))
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1fb8d4 |
return FALSE;
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1fb8d4 |
|
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5a9772 |
if (wfi->peerCount == FREERDP_SERVER_WIN_INFO_MAXPEERS)
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|
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1fb8d4 |
goto fail_peer_count;
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1fb8d4 |
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1fb8d4 |
context->info = wfi;
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5a9772 |
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if (!(context->updateEvent = CreateEvent(NULL, TRUE, FALSE, NULL)))
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goto fail_update_event;
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1fb8d4 |
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5a9772 |
// get the offset of the top left corner of selected screen
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1fb8d4 |
EnumDisplayMonitors(NULL, NULL, wf_info_monEnumCB, 0);
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Packit |
1fb8d4 |
_IDcount = 0;
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|
Packit |
1fb8d4 |
#ifdef WITH_DXGI_1_2
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5a9772 |
|
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Packit |
1fb8d4 |
if (wfi->peerCount == 0)
|
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Packit |
1fb8d4 |
if (wf_dxgi_init(wfi) != 0)
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Packit |
1fb8d4 |
goto fail_driver_init;
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|
Packit Service |
5a9772 |
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Packit |
1fb8d4 |
#else
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5a9772 |
|
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1fb8d4 |
if (!wf_mirror_driver_activate(wfi))
|
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Packit |
1fb8d4 |
goto fail_driver_init;
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Packit Service |
5a9772 |
|
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Packit |
1fb8d4 |
#endif
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Packit Service |
5a9772 |
|
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5a9772 |
// look through the array of peers until an empty slot
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|
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5a9772 |
for (i = 0; i < FREERDP_SERVER_WIN_INFO_MAXPEERS; ++i)
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|
Packit |
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{
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|
Packit Service |
5a9772 |
// empty index will be our peer id
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Packit |
1fb8d4 |
if (wfi->peers[i] == NULL)
|
|
Packit |
1fb8d4 |
{
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Packit |
1fb8d4 |
peerId = i;
|
|
Packit |
1fb8d4 |
break;
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|
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1fb8d4 |
}
|
|
Packit |
1fb8d4 |
}
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|
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1fb8d4 |
|
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5a9772 |
wfi->peers[peerId] = ((rdpContext*)context)->peer;
|
|
Packit |
1fb8d4 |
wfi->peers[peerId]->pId = peerId;
|
|
Packit |
1fb8d4 |
wfi->peerCount++;
|
|
Packit |
1fb8d4 |
WLog_INFO(TAG, "Registering Peer: id=%d #=%d", peerId, wfi->peerCount);
|
|
Packit |
1fb8d4 |
wf_info_unlock(wfi);
|
|
Packit Service |
5a9772 |
wfreerdp_server_peer_callback_event(peerId, FREERDP_SERVER_WIN_SRV_CALLBACK_EVENT_CONNECT);
|
|
Packit |
1fb8d4 |
return TRUE;
|
|
Packit |
1fb8d4 |
fail_driver_init:
|
|
Packit |
1fb8d4 |
CloseHandle(context->updateEvent);
|
|
Packit |
1fb8d4 |
context->updateEvent = NULL;
|
|
Packit |
1fb8d4 |
fail_update_event:
|
|
Packit |
1fb8d4 |
fail_peer_count:
|
|
Packit |
1fb8d4 |
context->socketClose = TRUE;
|
|
Packit |
1fb8d4 |
wf_info_unlock(wfi);
|
|
Packit |
1fb8d4 |
return FALSE;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
void wf_info_peer_unregister(wfInfo* wfi, wfPeerContext* context)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
if (wf_info_lock(wfi))
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
int peerId;
|
|
Packit Service |
5a9772 |
peerId = ((rdpContext*)context)->peer->pId;
|
|
Packit |
1fb8d4 |
wfi->peers[peerId] = NULL;
|
|
Packit |
1fb8d4 |
wfi->peerCount--;
|
|
Packit |
1fb8d4 |
CloseHandle(context->updateEvent);
|
|
Packit |
1fb8d4 |
WLog_INFO(TAG, "Unregistering Peer: id=%d, #=%d", peerId, wfi->peerCount);
|
|
Packit |
1fb8d4 |
#ifdef WITH_DXGI_1_2
|
|
Packit Service |
5a9772 |
|
|
Packit |
1fb8d4 |
if (wfi->peerCount == 0)
|
|
Packit |
1fb8d4 |
wf_dxgi_cleanup(wfi);
|
|
Packit |
1fb8d4 |
|
|
Packit Service |
5a9772 |
#endif
|
|
Packit |
1fb8d4 |
wf_info_unlock(wfi);
|
|
Packit Service |
5a9772 |
wfreerdp_server_peer_callback_event(peerId,
|
|
Packit Service |
5a9772 |
FREERDP_SERVER_WIN_SRV_CALLBACK_EVENT_DISCONNECT);
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
BOOL wf_info_have_updates(wfInfo* wfi)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
#ifdef WITH_DXGI_1_2
|
|
Packit Service |
5a9772 |
|
|
Packit |
1fb8d4 |
if (wfi->framesWaiting == 0)
|
|
Packit |
1fb8d4 |
return FALSE;
|
|
Packit Service |
5a9772 |
|
|
Packit |
1fb8d4 |
#else
|
|
Packit Service |
5a9772 |
|
|
Packit |
1fb8d4 |
if (wfi->nextUpdate == wfi->lastUpdate)
|
|
Packit |
1fb8d4 |
return FALSE;
|
|
Packit Service |
5a9772 |
|
|
Packit |
1fb8d4 |
#endif
|
|
Packit |
1fb8d4 |
return TRUE;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
void wf_info_update_changes(wfInfo* wfi)
|
|
Packit |
1fb8d4 |
{
|
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Packit |
1fb8d4 |
#ifdef WITH_DXGI_1_2
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1fb8d4 |
wf_dxgi_nextFrame(wfi, wfi->framesPerSecond * 1000);
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1fb8d4 |
#else
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1fb8d4 |
GETCHANGESBUF* buf;
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5a9772 |
buf = (GETCHANGESBUF*)wfi->changeBuffer;
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1fb8d4 |
wfi->nextUpdate = buf->buffer->counter;
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1fb8d4 |
#endif
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1fb8d4 |
}
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1fb8d4 |
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1fb8d4 |
void wf_info_find_invalid_region(wfInfo* wfi)
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1fb8d4 |
{
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1fb8d4 |
#ifdef WITH_DXGI_1_2
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1fb8d4 |
wf_dxgi_getInvalidRegion(&wfi->invalid);
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1fb8d4 |
#else
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1fb8d4 |
int i;
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1fb8d4 |
GETCHANGESBUF* buf;
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5a9772 |
buf = (GETCHANGESBUF*)wfi->changeBuffer;
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1fb8d4 |
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1fb8d4 |
for (i = wfi->lastUpdate; i != wfi->nextUpdate; i = (i + 1) % MAXCHANGES_BUF)
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1fb8d4 |
{
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1fb8d4 |
LPRECT lpR = &buf->buffer->pointrect[i].rect;
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1fb8d4 |
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5a9772 |
// need to make sure we only get updates from the selected screen
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5a9772 |
if ((lpR->left >= wfi->servscreen_xoffset) &&
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5a9772 |
(lpR->right <= (wfi->servscreen_xoffset + wfi->servscreen_width)) &&
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Packit Service |
5a9772 |
(lpR->top >= wfi->servscreen_yoffset) &&
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Packit Service |
5a9772 |
(lpR->bottom <= (wfi->servscreen_yoffset + wfi->servscreen_height)))
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1fb8d4 |
{
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1fb8d4 |
UnionRect(&wfi->invalid, &wfi->invalid, lpR);
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1fb8d4 |
}
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1fb8d4 |
else
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1fb8d4 |
{
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1fb8d4 |
continue;
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1fb8d4 |
}
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1fb8d4 |
}
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Packit Service |
5a9772 |
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1fb8d4 |
#endif
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1fb8d4 |
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1fb8d4 |
if (wfi->invalid.left < 0)
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1fb8d4 |
wfi->invalid.left = 0;
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1fb8d4 |
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1fb8d4 |
if (wfi->invalid.top < 0)
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1fb8d4 |
wfi->invalid.top = 0;
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1fb8d4 |
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1fb8d4 |
if (wfi->invalid.right >= wfi->servscreen_width)
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1fb8d4 |
wfi->invalid.right = wfi->servscreen_width - 1;
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Packit |
1fb8d4 |
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Packit |
1fb8d4 |
if (wfi->invalid.bottom >= wfi->servscreen_height)
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Packit |
1fb8d4 |
wfi->invalid.bottom = wfi->servscreen_height - 1;
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1fb8d4 |
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Packit Service |
5a9772 |
// WLog_DBG(TAG, "invalid region: (%"PRId32", %"PRId32"), (%"PRId32", %"PRId32")",
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5a9772 |
// wfi->invalid.left, wfi->invalid.top, wfi->invalid.right, wfi->invalid.bottom);
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1fb8d4 |
}
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1fb8d4 |
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1fb8d4 |
void wf_info_clear_invalid_region(wfInfo* wfi)
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1fb8d4 |
{
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1fb8d4 |
wfi->lastUpdate = wfi->nextUpdate;
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1fb8d4 |
SetRectEmpty(&wfi->invalid);
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Packit |
1fb8d4 |
}
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Packit |
1fb8d4 |
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Packit |
1fb8d4 |
void wf_info_invalidate_full_screen(wfInfo* wfi)
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Packit |
1fb8d4 |
{
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1fb8d4 |
SetRect(&wfi->invalid, 0, 0, wfi->servscreen_width, wfi->servscreen_height);
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Packit |
1fb8d4 |
}
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Packit |
1fb8d4 |
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Packit |
1fb8d4 |
BOOL wf_info_have_invalid_region(wfInfo* wfi)
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Packit |
1fb8d4 |
{
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Packit |
1fb8d4 |
return IsRectEmpty(&wfi->invalid);
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Packit |
1fb8d4 |
}
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Packit |
1fb8d4 |
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Packit |
1fb8d4 |
void wf_info_getScreenData(wfInfo* wfi, long* width, long* height, BYTE** pBits, int* pitch)
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Packit |
1fb8d4 |
{
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Packit |
1fb8d4 |
*width = (wfi->invalid.right - wfi->invalid.left);
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|
Packit |
1fb8d4 |
*height = (wfi->invalid.bottom - wfi->invalid.top);
|
|
Packit |
1fb8d4 |
#ifdef WITH_DXGI_1_2
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Packit |
1fb8d4 |
wf_dxgi_getPixelData(wfi, pBits, pitch, &wfi->invalid);
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Packit |
1fb8d4 |
#else
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Packit |
1fb8d4 |
{
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Packit |
1fb8d4 |
long offset;
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Packit |
1fb8d4 |
GETCHANGESBUF* changes;
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Packit Service |
5a9772 |
changes = (GETCHANGESBUF*)wfi->changeBuffer;
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Packit |
1fb8d4 |
*width += 1;
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Packit |
1fb8d4 |
*height += 1;
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|
Packit |
1fb8d4 |
offset = (4 * wfi->invalid.left) + (wfi->invalid.top * wfi->virtscreen_width * 4);
|
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Packit Service |
5a9772 |
*pBits = ((BYTE*)(changes->Userbuffer)) + offset;
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Packit |
1fb8d4 |
*pitch = wfi->virtscreen_width * 4;
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|
Packit |
1fb8d4 |
}
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Packit |
1fb8d4 |
#endif
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit Service |
5a9772 |
BOOL CALLBACK wf_info_monEnumCB(HMONITOR hMonitor, HDC hdcMonitor, LPRECT lprcMonitor,
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|
Packit Service |
5a9772 |
LPARAM dwData)
|
|
Packit |
1fb8d4 |
{
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|
Packit Service |
5a9772 |
wfInfo* wfi;
|
|
Packit |
1fb8d4 |
wfi = wf_info_get_instance();
|
|
Packit Service |
5a9772 |
|
|
Packit |
1fb8d4 |
if (!wfi)
|
|
Packit |
1fb8d4 |
return FALSE;
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
if (_IDcount == wfi->screenID)
|
|
Packit |
1fb8d4 |
{
|
|
Packit |
1fb8d4 |
wfi->servscreen_xoffset = lprcMonitor->left;
|
|
Packit |
1fb8d4 |
wfi->servscreen_yoffset = lprcMonitor->top;
|
|
Packit |
1fb8d4 |
}
|
|
Packit |
1fb8d4 |
|
|
Packit |
1fb8d4 |
_IDcount++;
|
|
Packit |
1fb8d4 |
return TRUE;
|
|
Packit |
1fb8d4 |
}
|