FreeRDP/client/Wayland/wlfreerdp.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Wayland Client
*
* Copyright 2014 Manuel Bachmann <tarnyko@tarnyko.net>
* Copyright 2016 Thincast Technologies GmbH
* Copyright 2016 Armin Novak <armin.novak@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.
*/
#include <stdio.h>
#include <errno.h>
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#include <locale.h>
#include <float.h>
#include <freerdp/client/cmdline.h>
#include <freerdp/channels/channels.h>
#include <freerdp/gdi/gdi.h>
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#include <freerdp/client.h>
#include <freerdp/utils/signal.h>
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#include <freerdp/locale/keyboard.h>
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#include <linux/input.h>
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#include <uwac/uwac.h>
#include "wlfreerdp.h"
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#include "wlf_input.h"
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#include "wlf_cliprdr.h"
#include "wlf_disp.h"
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#include "wlf_channels.h"
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#include "wlf_pointer.h"
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#define TAG CLIENT_TAG("wayland")
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static BOOL wl_begin_paint(rdpContext* context)
{
rdpGdi* gdi;
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if (!context || !context->gdi)
return FALSE;
gdi = context->gdi;
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if (!gdi->primary)
return FALSE;
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gdi->primary->hdc->hwnd->invalid->null = TRUE;
return TRUE;
}
static BOOL wl_update_buffer(wlfContext* context_w, INT32 ix, INT32 iy, INT32 iw, INT32 ih)
{
rdpGdi* gdi;
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char* data;
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UINT32 x, y, w, h;
UwacSize geometry;
size_t stride;
UwacReturnCode rc;
RECTANGLE_16 area;
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if (!context_w)
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return FALSE;
if ((ix < 0) || (iy < 0) || (iw < 0) || (ih < 0))
return FALSE;
x = (UINT32)ix;
y = (UINT32)iy;
w = (UINT32)iw;
h = (UINT32)ih;
rc = UwacWindowGetDrawingBufferGeometry(context_w->window, &geometry, &stride);
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data = UwacWindowGetDrawingBuffer(context_w->window);
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if (!data || (rc != UWAC_SUCCESS))
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return FALSE;
gdi = context_w->context.gdi;
if (!gdi)
return FALSE;
/* Ignore output if the surface size does not match. */
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if (((INT64)x > geometry.width) || ((INT64)y > geometry.height))
return TRUE;
area.left = x;
area.top = y;
area.right = x + w;
area.bottom = y + h;
if (!wlf_copy_image(gdi->primary_buffer, gdi->stride, gdi->width, gdi->height,
data, stride, geometry.width, geometry.height, &area,
context_w->context.settings->SmartSizing))
return FALSE;
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if (!wlf_scale_coordinates(&context_w->context, &x, &y, FALSE))
return FALSE;
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if (!wlf_scale_coordinates(&context_w->context, &w, &h, FALSE))
return FALSE;
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if (UwacWindowAddDamage(context_w->window, x, y, w, h) != UWAC_SUCCESS)
return FALSE;
if (UwacWindowSubmitBuffer(context_w->window, false) != UWAC_SUCCESS)
return FALSE;
return TRUE;
}
static BOOL wl_end_paint(rdpContext* context)
{
rdpGdi* gdi;
wlfContext* context_w;
INT32 x, y;
INT32 w, h;
if (!context || !context->gdi || !context->gdi->primary)
return FALSE;
gdi = context->gdi;
if (gdi->primary->hdc->hwnd->invalid->null)
return TRUE;
x = gdi->primary->hdc->hwnd->invalid->x;
y = gdi->primary->hdc->hwnd->invalid->y;
w = gdi->primary->hdc->hwnd->invalid->w;
h = gdi->primary->hdc->hwnd->invalid->h;
context_w = (wlfContext*) context;
return wl_update_buffer(context_w, x, y, w, h);
}
static BOOL wl_refresh_display(wlfContext* context)
{
rdpGdi* gdi;
if (!context || !context->context.gdi)
return FALSE;
gdi = context->context.gdi;
return wl_update_buffer(context, 0, 0, gdi->width, gdi->height);
}
static BOOL wl_resize_display(rdpContext* context)
{
wlfContext* wlc = (wlfContext*)context;
rdpGdi* gdi = context->gdi;
rdpSettings* settings = context->settings;
if (!gdi_resize(gdi, settings->DesktopWidth, settings->DesktopHeight))
return FALSE;
return wl_refresh_display(wlc);
}
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static BOOL wl_pre_connect(freerdp* instance)
{
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rdpSettings* settings;
wlfContext* context;
UwacOutput* output;
UwacSize resolution;
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if (!instance)
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return FALSE;
context = (wlfContext*) instance->context;
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settings = instance->settings;
if (!context || !settings)
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return FALSE;
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settings->OsMajorType = OSMAJORTYPE_UNIX;
settings->OsMinorType = OSMINORTYPE_NATIVE_WAYLAND;
PubSub_SubscribeChannelConnected(instance->context->pubSub,
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wlf_OnChannelConnectedEventHandler);
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PubSub_SubscribeChannelDisconnected(instance->context->pubSub,
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wlf_OnChannelDisconnectedEventHandler);
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if (settings->Fullscreen)
{
// Use the resolution of the first display output
output = UwacDisplayGetOutput(context->display, 1);
if (output != NULL && UwacOutputGetResolution(output, &resolution) == UWAC_SUCCESS)
{
settings->DesktopWidth = (UINT32) resolution.width;
settings->DesktopHeight = (UINT32) resolution.height;
}
else
{
WLog_WARN(TAG, "Failed to get output resolution! Check your display settings");
}
}
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if (!freerdp_client_load_addins(instance->context->channels,
instance->settings))
return FALSE;
return TRUE;
}
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static BOOL wl_post_connect(freerdp* instance)
{
rdpGdi* gdi;
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UwacWindow* window;
wlfContext* context;
rdpSettings* settings;
UINT32 w, h;
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if (!instance || !instance->context)
return FALSE;
context = (wlfContext*) instance->context;
settings = instance->context->settings;
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if (!gdi_init(instance, PIXEL_FORMAT_BGRA32))
return FALSE;
gdi = instance->context->gdi;
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if (!gdi || (gdi->width < 0) || (gdi->height < 0))
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return FALSE;
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if (!wlf_register_pointer(instance->context->graphics))
return FALSE;
w = (UINT32)gdi->width;
h = (UINT32)gdi->height;
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if (settings->SmartSizing && !context->fullscreen)
{
if (settings->SmartSizingWidth > 0)
w = settings->SmartSizingWidth;
if (settings->SmartSizingHeight > 0)
h = settings->SmartSizingHeight;
}
context->window = window = UwacCreateWindowShm(context->display, w, h, WL_SHM_FORMAT_XRGB8888);
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if (!window)
return FALSE;
UwacWindowSetFullscreenState(window, NULL, instance->context->settings->Fullscreen);
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UwacWindowSetTitle(window, "FreeRDP");
UwacWindowSetOpaqueRegion(context->window, 0, 0, w, h);
instance->update->BeginPaint = wl_begin_paint;
instance->update->EndPaint = wl_end_paint;
instance->update->DesktopResize = wl_resize_display;
freerdp_keyboard_init(instance->context->settings->KeyboardLayout);
if (!(context->disp = wlf_disp_new(context)))
return FALSE;
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context->clipboard = wlf_clipboard_new(context);
if (!context->clipboard)
return FALSE;
return wl_refresh_display(context);
}
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static void wl_post_disconnect(freerdp* instance)
{
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wlfContext* context;
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if (!instance)
return;
if (!instance->context)
return;
context = (wlfContext*) instance->context;
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gdi_free(instance);
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wlf_clipboard_free(context->clipboard);
wlf_disp_free(context->disp);
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if (context->window)
UwacDestroyWindow(&context->window);
}
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static BOOL handle_uwac_events(freerdp* instance, UwacDisplay* display)
{
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UwacEvent event;
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wlfContext* context;
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if (UwacDisplayDispatch(display, 1) < 0)
return FALSE;
context = (wlfContext*)instance->context;
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while (UwacHasEvent(display))
{
if (UwacNextEvent(display, &event) != UWAC_SUCCESS)
return FALSE;
/*printf("UWAC event type %d\n", event.type);*/
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switch (event.type)
{
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case UWAC_EVENT_NEW_SEAT:
context->seat = event.seat_new.seat;
break;
case UWAC_EVENT_REMOVED_SEAT:
context->seat = NULL;
break;
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case UWAC_EVENT_FRAME_DONE:
if (UwacWindowSubmitBuffer(context->window, false) != UWAC_SUCCESS)
return FALSE;
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break;
case UWAC_EVENT_POINTER_ENTER:
if (!wlf_handle_pointer_enter(instance, &event.mouse_enter_leave))
return FALSE;
break;
case UWAC_EVENT_POINTER_MOTION:
if (!wlf_handle_pointer_motion(instance, &event.mouse_motion))
return FALSE;
break;
case UWAC_EVENT_POINTER_BUTTONS:
if (!wlf_handle_pointer_buttons(instance, &event.mouse_button))
return FALSE;
break;
case UWAC_EVENT_POINTER_AXIS:
if (!wlf_handle_pointer_axis(instance, &event.mouse_axis))
return FALSE;
break;
case UWAC_EVENT_KEY:
if (!wlf_handle_key(instance, &event.key))
return FALSE;
break;
case UWAC_EVENT_KEYBOARD_ENTER:
if (instance->context->settings->GrabKeyboard)
UwacSeatInhibitShortcuts(event.keyboard_enter_leave.seat, true);
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if (!wlf_keyboard_enter(instance, &event.keyboard_enter_leave))
return FALSE;
break;
case UWAC_EVENT_CONFIGURE:
if (!wlf_disp_handle_configure(context->disp, event.configure.width, event.configure.height))
return FALSE;
if (!wl_refresh_display(context))
return FALSE;
break;
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case UWAC_EVENT_CLIPBOARD_AVAILABLE:
case UWAC_EVENT_CLIPBOARD_OFFER:
case UWAC_EVENT_CLIPBOARD_SELECT:
if (!wlf_cliprdr_handle_event(context->clipboard, &event.clipboard))
return FALSE;
break;
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default:
break;
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}
}
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return TRUE;
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}
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static BOOL handle_window_events(freerdp* instance)
{
rdpSettings* settings;
if (!instance || !instance->settings)
return FALSE;
settings = instance->settings;
if (!settings->AsyncInput)
{
}
return TRUE;
}
static int wlfreerdp_run(freerdp* instance)
{
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wlfContext* context;
DWORD count;
HANDLE handles[64];
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DWORD status = WAIT_ABANDONED;
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if (!instance)
return -1;
context = (wlfContext*)instance->context;
if (!context)
return -1;
if (!freerdp_connect(instance))
{
WLog_Print(context->log, WLOG_ERROR, "Failed to connect");
return -1;
}
while (!freerdp_shall_disconnect(instance))
{
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handles[0] = context->displayHandle;
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count = freerdp_get_event_handles(instance->context, &handles[1], 63) + 1;
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if (count <= 1)
{
WLog_Print(context->log, WLOG_ERROR, "Failed to get FreeRDP file descriptor");
break;
}
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status = WaitForMultipleObjects(count, handles, FALSE, INFINITE);
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if (WAIT_FAILED == status)
{
WLog_Print(context->log, WLOG_ERROR, "%s: WaitForMultipleObjects failed", __FUNCTION__);
break;
}
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if (!handle_uwac_events(instance, context->display))
{
WLog_Print(context->log, WLOG_ERROR, "error handling UWAC events");
break;
}
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if (freerdp_check_event_handles(instance->context) != TRUE)
{
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if (client_auto_reconnect_ex(instance, handle_window_events))
continue;
else
{
/*
* Indicate an unsuccessful connection attempt if reconnect
* did not succeed and no other error was specified.
*/
if (freerdp_error_info(instance) == 0)
status = 42;
}
if (freerdp_get_last_error(instance->context) == FREERDP_ERROR_SUCCESS)
WLog_Print(context->log, WLOG_ERROR, "Failed to check FreeRDP file descriptor");
break;
}
}
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freerdp_disconnect(instance);
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return status;
}
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static BOOL wlf_client_global_init(void)
{
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setlocale(LC_ALL, "");
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if (freerdp_handle_signals() != 0)
return FALSE;
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return TRUE;
}
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static void wlf_client_global_uninit(void)
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{
}
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static int wlf_logon_error_info(freerdp* instance, UINT32 data, UINT32 type)
{
wlfContext* wlf;
const char* str_data = freerdp_get_logon_error_info_data(data);
const char* str_type = freerdp_get_logon_error_info_type(type);
if (!instance || !instance->context)
return -1;
wlf = (wlfContext*) instance->context;
WLog_Print(wlf->log, WLOG_INFO, "Logon Error Info %s [%s]", str_data, str_type);
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return 1;
}
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static BOOL wlf_client_new(freerdp* instance, rdpContext* context)
{
UwacReturnCode status;
wlfContext* wfl = (wlfContext*) context;
if (!instance || !context)
return FALSE;
instance->PreConnect = wl_pre_connect;
instance->PostConnect = wl_post_connect;
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instance->PostDisconnect = wl_post_disconnect;
instance->Authenticate = client_cli_authenticate;
instance->GatewayAuthenticate = client_cli_gw_authenticate;
instance->VerifyCertificateEx = client_cli_verify_certificate_ex;
instance->VerifyChangedCertificateEx = client_cli_verify_changed_certificate_ex;
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instance->LogonErrorInfo = wlf_logon_error_info;
wfl->log = WLog_Get(TAG);
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wfl->display = UwacOpenDisplay(NULL, &status);
if (!wfl->display || (status != UWAC_SUCCESS) || !wfl->log)
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return FALSE;
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wfl->displayHandle = CreateFileDescriptorEvent(NULL, FALSE, FALSE,
UwacDisplayGetFd(wfl->display), WINPR_FD_READ);
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if (!wfl->displayHandle)
return FALSE;
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return TRUE;
}
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static void wlf_client_free(freerdp* instance, rdpContext* context)
{
wlfContext* wlf = (wlfContext*) instance->context;
if (!context)
return;
if (wlf->display)
UwacCloseDisplay(&wlf->display);
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if (wlf->displayHandle)
CloseHandle(wlf->displayHandle);
}
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static int wfl_client_start(rdpContext* context)
{
WINPR_UNUSED(context);
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return 0;
}
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static int wfl_client_stop(rdpContext* context)
{
WINPR_UNUSED(context);
return 0;
}
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static int RdpClientEntry(RDP_CLIENT_ENTRY_POINTS* pEntryPoints)
{
ZeroMemory(pEntryPoints, sizeof(RDP_CLIENT_ENTRY_POINTS));
pEntryPoints->Version = RDP_CLIENT_INTERFACE_VERSION;
pEntryPoints->Size = sizeof(RDP_CLIENT_ENTRY_POINTS_V1);
pEntryPoints->GlobalInit = wlf_client_global_init;
pEntryPoints->GlobalUninit = wlf_client_global_uninit;
pEntryPoints->ContextSize = sizeof(wlfContext);
pEntryPoints->ClientNew = wlf_client_new;
pEntryPoints->ClientFree = wlf_client_free;
pEntryPoints->ClientStart = wfl_client_start;
pEntryPoints->ClientStop = wfl_client_stop;
return 0;
}
int main(int argc, char* argv[])
{
int rc = -1;
int status;
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RDP_CLIENT_ENTRY_POINTS clientEntryPoints;
rdpContext* context;
RdpClientEntry(&clientEntryPoints);
context = freerdp_client_context_new(&clientEntryPoints);
if (!context)
goto fail;
status = freerdp_client_settings_parse_command_line(context->settings, argc,
argv, FALSE);
status = freerdp_client_settings_command_line_status_print(context->settings,
status, argc, argv);
if (status)
return 0;
if (freerdp_client_start(context) != 0)
goto fail;
rc = wlfreerdp_run(context->instance);
if (freerdp_client_stop(context) != 0)
rc = -1;
fail:
freerdp_client_context_free(context);
return rc;
}
BOOL wlf_copy_image(const void* src, size_t srcStride, size_t srcWidth, size_t srcHeight,
void* dst, size_t dstStride, size_t dstWidth, size_t dstHeight,
const RECTANGLE_16* area, BOOL scale)
{
BOOL rc = FALSE;
if (!src || !dst || !area)
return FALSE;
if (scale)
{
return freerdp_image_scale(dst, PIXEL_FORMAT_BGRA32, dstStride, 0, 0, dstWidth, dstHeight,
src, PIXEL_FORMAT_BGRA32, srcStride, 0, 0, srcWidth, srcHeight);
}
else
{
size_t i;
const size_t baseSrcOffset = area->top * srcStride + area->left * 4;
const size_t baseDstOffset = area->top * dstStride + area->left * 4;
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const size_t width = MIN((size_t)area->right - area->left, dstWidth - area->left);
const size_t height = MIN((size_t)area->bottom - area->top, dstHeight - area->top);
const BYTE* psrc = (const BYTE*)src;
BYTE* pdst = (BYTE*)dst;
for (i = 0; i < height; i++)
{
const size_t srcOffset = i * srcStride + baseSrcOffset;
const size_t dstOffset = i * dstStride + baseDstOffset;
memcpy(&pdst[dstOffset], &psrc[srcOffset], width * 4);
}
rc = TRUE;
}
return rc;
}
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BOOL wlf_scale_coordinates(rdpContext* context, UINT32* px, UINT32* py, BOOL fromLocalToRDP)
{
wlfContext* wlf = (wlfContext*)context;
rdpGdi* gdi;
UwacSize geometry;
double sx, sy;
if (!context || !px || !py || !context->gdi)
return FALSE;
if (!context->settings->SmartSizing)
return TRUE;
gdi = context->gdi;
if (UwacWindowGetDrawingBufferGeometry(wlf->window, &geometry, NULL) != UWAC_SUCCESS)
return FALSE;
sx = geometry.width / (double)gdi->width;
sy = geometry.height / (double)gdi->height;
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if (!fromLocalToRDP)
{
*px *= sx;
*py *= sy;
}
else
{
*px /= sx;
*py /= sy;
}
return TRUE;
}