Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/channels/drdynvc/client/CMakeLists.txt

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+# FreeRDP: A Remote Desktop Protocol Implementation
+# FreeRDP cmake build script
+#
+# Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.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.
+
+define_channel_client("drdynvc")
+
+set(${MODULE_PREFIX}_SRCS drdynvc_main.c drdynvc_main.h)
+
+add_channel_client_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} FALSE "VirtualChannelEntryEx")

third_party/FreeRDP/channels/drdynvc/client/drdynvc_main.h

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Dynamic Virtual Channel
+ *
+ * Copyright 2010-2011 Vic Lee
+ * 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.
+ */
+
+#ifndef FREERDP_CHANNEL_DRDYNVC_CLIENT_MAIN_H
+#define FREERDP_CHANNEL_DRDYNVC_CLIENT_MAIN_H
+
+#include <winpr/wlog.h>
+#include <winpr/synch.h>
+#include <freerdp/settings.h>
+#include <winpr/collections.h>
+
+#include <freerdp/api.h>
+#include <freerdp/svc.h>
+#include <freerdp/dvc.h>
+#include <freerdp/addin.h>
+#include <freerdp/channels/log.h>
+#include <freerdp/client/drdynvc.h>
+#include <freerdp/codec/zgfx.h>
+#include <freerdp/freerdp.h>
+
+typedef struct drdynvc_plugin drdynvcPlugin;
+
+typedef struct
+{
+	IWTSVirtualChannelManager iface;
+
+	drdynvcPlugin* drdynvc;
+
+	wArrayList* plugin_names;
+	wArrayList* plugins;
+
+	wHashTable* listeners;
+	wHashTable* channelsById;
+	wStreamPool* pool;
+} DVCMAN;
+
+typedef struct
+{
+	IWTSListener iface;
+
+	DVCMAN* dvcman;
+	char* channel_name;
+	UINT32 flags;
+	IWTSListenerCallback* listener_callback;
+} DVCMAN_LISTENER;
+
+typedef struct
+{
+	IDRDYNVC_ENTRY_POINTS iface;
+
+	DVCMAN* dvcman;
+	const ADDIN_ARGV* args;
+	rdpContext* context;
+} DVCMAN_ENTRY_POINTS;
+
+typedef enum
+{
+	DVC_CHANNEL_INIT,
+	DVC_CHANNEL_RUNNING,
+	DVC_CHANNEL_CLOSED
+} DVC_CHANNEL_STATE;
+
+typedef struct
+{
+	IWTSVirtualChannel iface;
+
+	volatile LONG refCounter;
+	DVC_CHANNEL_STATE state;
+	DVCMAN* dvcman;
+	void* pInterface;
+	UINT32 channel_id;
+	char* channel_name;
+	IWTSVirtualChannelCallback* channel_callback;
+
+	wStream* dvc_data;
+	UINT32 dvc_data_length;
+	ZGFX_CONTEXT* decompressor;
+	CRITICAL_SECTION lock;
+} DVCMAN_CHANNEL;
+
+typedef enum
+{
+	DRDYNVC_STATE_INITIAL,
+	DRDYNVC_STATE_CAPABILITIES,
+	DRDYNVC_STATE_READY,
+	DRDYNVC_STATE_OPENING_CHANNEL,
+	DRDYNVC_STATE_SEND_RECEIVE,
+	DRDYNVC_STATE_FINAL
+} DRDYNVC_STATE;
+
+struct drdynvc_plugin
+{
+	CHANNEL_DEF channelDef;
+	CHANNEL_ENTRY_POINTS_FREERDP_EX channelEntryPoints;
+
+	wLog* log;
+	HANDLE thread;
+	BOOL async;
+	wStream* data_in;
+	void* InitHandle;
+	DWORD OpenHandle;
+	wMessageQueue* queue;
+
+	DRDYNVC_STATE state;
+	DrdynvcClientContext* context;
+
+	UINT16 version;
+	int PriorityCharge0;
+	int PriorityCharge1;
+	int PriorityCharge2;
+	int PriorityCharge3;
+	rdpContext* rdpcontext;
+
+	IWTSVirtualChannelManager* channel_mgr;
+};
+
+#endif /* FREERDP_CHANNEL_DRDYNVC_CLIENT_MAIN_H */