210 lines
4.2 KiB
C
210 lines
4.2 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@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 "shadow.h"
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#include "shadow_subsystem.h"
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struct _RDP_SHADOW_SUBSYSTEM
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{
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const char* name;
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pfnShadowSubsystemEntry entry;
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};
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typedef struct _RDP_SHADOW_SUBSYSTEM RDP_SHADOW_SUBSYSTEM;
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#ifdef WITH_SHADOW_X11
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extern int X11_ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints);
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#endif
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#ifdef WITH_SHADOW_MAC
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extern int Mac_ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints);
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#endif
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#ifdef WITH_SHADOW_WIN
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extern int Win_ShadowSubsystemEntry(RDP_SHADOW_ENTRY_POINTS* pEntryPoints);
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#endif
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static RDP_SHADOW_SUBSYSTEM g_Subsystems[] =
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{
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#ifdef WITH_SHADOW_X11
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{ "X11", X11_ShadowSubsystemEntry },
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#endif
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#ifdef WITH_SHADOW_MAC
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{ "Mac", Mac_ShadowSubsystemEntry },
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#endif
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#ifdef WITH_SHADOW_WIN
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{ "Win", Win_ShadowSubsystemEntry },
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#endif
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{ "", NULL }
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};
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static int g_SubsystemCount = (sizeof(g_Subsystems) / sizeof(g_Subsystems[0]));
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pfnShadowSubsystemEntry shadow_subsystem_load_static_entry(const char* name)
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{
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int index;
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if (!name)
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{
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for (index = 0; index < g_SubsystemCount; index++)
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{
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if (g_Subsystems[index].name)
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return g_Subsystems[index].entry;
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}
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}
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for (index = 0; index < g_SubsystemCount; index++)
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{
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if (strcmp(name, g_Subsystems[index].name) == 0)
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return g_Subsystems[index].entry;
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}
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return NULL;
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}
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int shadow_subsystem_load_entry_points(RDP_SHADOW_ENTRY_POINTS* pEntryPoints, const char* name)
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{
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pfnShadowSubsystemEntry entry;
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entry = shadow_subsystem_load_static_entry(name);
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ZeroMemory(pEntryPoints, sizeof(RDP_SHADOW_ENTRY_POINTS));
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if (!entry)
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return -1;
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if (entry(pEntryPoints) < 0)
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return -1;
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return 1;
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}
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rdpShadowSubsystem* shadow_subsystem_new(const char* name)
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{
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RDP_SHADOW_ENTRY_POINTS ep;
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rdpShadowSubsystem* subsystem = NULL;
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shadow_subsystem_load_entry_points(&ep, name);
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if (!ep.New)
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return NULL;
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subsystem = ep.New();
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if (!subsystem)
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return NULL;
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CopyMemory(&(subsystem->ep), &ep, sizeof(RDP_SHADOW_ENTRY_POINTS));
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return subsystem;
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}
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void shadow_subsystem_free(rdpShadowSubsystem* subsystem)
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{
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if (subsystem->ep.Free)
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subsystem->ep.Free(subsystem);
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}
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int shadow_subsystem_init(rdpShadowSubsystem* subsystem, rdpShadowServer* server)
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{
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int status;
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subsystem->server = server;
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subsystem->selectedMonitor = server->selectedMonitor;
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subsystem->MsgPipe = MessagePipe_New();
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subsystem->updateEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
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region16_init(&(subsystem->invalidRegion));
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if (!subsystem->ep.Init)
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return -1;
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status = subsystem->ep.Init(subsystem);
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return status;
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}
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void shadow_subsystem_uninit(rdpShadowSubsystem* subsystem)
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{
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if (subsystem->ep.Uninit)
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subsystem->ep.Uninit(subsystem);
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if (subsystem->MsgPipe)
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{
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MessagePipe_Free(subsystem->MsgPipe);
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subsystem->MsgPipe = NULL;
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}
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if (subsystem->updateEvent)
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{
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CloseHandle(subsystem->updateEvent);
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subsystem->updateEvent = NULL;
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}
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if (subsystem->invalidRegion.data)
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region16_uninit(&(subsystem->invalidRegion));
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}
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int shadow_subsystem_start(rdpShadowSubsystem* subsystem)
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{
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int status;
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if (!subsystem->ep.Start)
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return -1;
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status = subsystem->ep.Start(subsystem);
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return status;
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}
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int shadow_subsystem_stop(rdpShadowSubsystem* subsystem)
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{
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int status;
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if (!subsystem->ep.Stop)
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return -1;
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status = subsystem->ep.Stop(subsystem);
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return status;
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}
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int shadow_enum_monitors(MONITOR_DEF* monitors, int maxMonitors, const char* name)
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{
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int numMonitors = 0;
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RDP_SHADOW_ENTRY_POINTS ep;
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if (shadow_subsystem_load_entry_points(&ep, name) < 0)
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return -1;
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numMonitors = ep.EnumMonitors(monitors, maxMonitors);
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return numMonitors;
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}
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