/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * Client Channels

 *

 * Copyright 2014 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.

 */

#ifndef FREERDP_LIB_CORE_CLIENT_H

#define FREERDP_LIB_CORE_CLIENT_H

#include <winpr/crt.h>

#include <winpr/stream.h>

#include <freerdp/freerdp.h>

#include <freerdp/constants.h>

#include <freerdp/svc.h>

#include <freerdp/peer.h>

#include <freerdp/addin.h>

#include <freerdp/api.h>

#include <freerdp/client/channels.h>

#include <freerdp/client/drdynvc.h>

#include <freerdp/channels/channels.h>

#define CHANNEL_MAX_COUNT 31

struct rdp_channel_client_data

{

	PVIRTUALCHANNELENTRY entry;

	PVIRTUALCHANNELENTRYEX entryEx;

	PCHANNEL_INIT_EVENT_FN pChannelInitEventProc;

	PCHANNEL_INIT_EVENT_EX_FN pChannelInitEventProcEx;

	void* pInitHandle;

	void* lpUserParam;

};

typedef struct rdp_channel_client_data CHANNEL_CLIENT_DATA;

struct rdp_channel_open_data

{

	char name[8];

	int OpenHandle;

	int options;

	int flags;

	void* pInterface;

	rdpChannels* channels;

	void* lpUserParam;

	PCHANNEL_OPEN_EVENT_FN pChannelOpenEventProc;

	PCHANNEL_OPEN_EVENT_EX_FN pChannelOpenEventProcEx;

};

typedef struct rdp_channel_open_data CHANNEL_OPEN_DATA;

struct _CHANNEL_OPEN_EVENT

{

	void* Data;

	UINT32 DataLength;

	void* UserData;

	CHANNEL_OPEN_DATA* pChannelOpenData;

};

typedef struct _CHANNEL_OPEN_EVENT CHANNEL_OPEN_EVENT;

/**

 * pInitHandle: handle that identifies the client connection

 * Obtained by the client with VirtualChannelInit

 * Used by the client with VirtualChannelOpen

 */

struct rdp_channel_init_data

{

	rdpChannels* channels;

	void* pInterface;

};

typedef struct rdp_channel_init_data CHANNEL_INIT_DATA;

struct rdp_channels

{

	/* internal */

	int clientDataCount;

	CHANNEL_CLIENT_DATA clientDataList[CHANNEL_MAX_COUNT];

	int openDataCount;

	CHANNEL_OPEN_DATA openDataList[CHANNEL_MAX_COUNT];

	int initDataCount;

	CHANNEL_INIT_DATA initDataList[CHANNEL_MAX_COUNT];

	/* control for entry into MyVirtualChannelInit */

	int can_call_init;

	/* true once freerdp_channels_post_connect is called */

	BOOL connected;

	/* used for locating the channels for a given instance */

	freerdp* instance;

	wMessageQueue* queue;

	DrdynvcClientContext* drdynvc;

	CRITICAL_SECTION channelsLock;

	wHashTable* openHandles;

};

FREERDP_LOCAL rdpChannels* freerdp_channels_new(freerdp* instance);

FREERDP_LOCAL UINT freerdp_channels_disconnect(rdpChannels* channels,

        freerdp* instance);

FREERDP_LOCAL void freerdp_channels_close(rdpChannels* channels,

        freerdp* instance);

FREERDP_LOCAL void freerdp_channels_free(rdpChannels* channels);

FREERDP_LOCAL UINT freerdp_channels_pre_connect(rdpChannels* channels,

        freerdp* instance);

FREERDP_LOCAL UINT freerdp_channels_post_connect(rdpChannels* channels,

        freerdp* instance);

#endif /* FREERDP_LIB_CORE_CLIENT_H */