guacamole-spice-protocol/src/protocols/vnc/vnc.h

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
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* http://www.apache.org/licenses/LICENSE-2.0
*
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* 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 GUAC_VNC_VNC_H
#define GUAC_VNC_VNC_H
#include "config.h"
#include "common/clipboard.h"
#include "common/display.h"
#include "common/iconv.h"
#include "common/surface.h"
#include "settings.h"
#include <guacamole/client.h>
#include <guacamole/layer.h>
#include <rfb/rfbclient.h>
#ifdef ENABLE_PULSE
#include "pulse/pulse.h"
#endif
#ifdef ENABLE_COMMON_SSH
#include "common-ssh/sftp.h"
#include "common-ssh/ssh.h"
#include "common-ssh/user.h"
#endif
#include <pthread.h>
/**
* VNC-specific client data.
*/
typedef struct guac_vnc_client {
/**
* The VNC client thread.
*/
pthread_t client_thread;
/**
* The underlying VNC client.
*/
rfbClient* rfb_client;
/**
* The original framebuffer malloc procedure provided by the initialized
* rfbClient.
*/
MallocFrameBufferProc rfb_MallocFrameBuffer;
/**
* Whether copyrect was used to produce the latest update received
* by the VNC server.
*/
int copy_rect_used;
/**
* Client settings, parsed from args.
*/
guac_vnc_settings* settings;
/**
* The current display state.
*/
guac_common_display* display;
/**
* Internal clipboard.
*/
guac_common_clipboard* clipboard;
#ifdef ENABLE_PULSE
/**
* PulseAudio output, if any.
*/
guac_pa_stream* audio;
#endif
#ifdef ENABLE_COMMON_SSH
/**
* The user and credentials used to authenticate for SFTP.
*/
guac_common_ssh_user* sftp_user;
/**
* The SSH session used for SFTP.
*/
guac_common_ssh_session* sftp_session;
/**
* An SFTP-based filesystem.
*/
guac_common_ssh_sftp_filesystem* sftp_filesystem;
#endif
/**
* Clipboard encoding-specific reader.
*/
guac_iconv_read* clipboard_reader;
/**
* Clipboard encoding-specific writer.
*/
guac_iconv_write* clipboard_writer;
} guac_vnc_client;
/**
* Allocates a new rfbClient instance given the parameters stored within the
* client, returning NULL on failure.
*
* @param client
* The guac_client associated with the settings of the desired VNC
* connection.
*
* @return
* A new rfbClient instance allocated and connected according to the
* parameters stored within the given client, or NULL if connecting to the
* VNC server fails.
*/
rfbClient* guac_vnc_get_client(guac_client* client);
/**
* VNC client thread. This thread initiates the VNC connection and ultimately
* runs throughout the duration of the client, existing as a single instance,
* shared by all users.
*
* @param data
* The guac_client instance associated with the requested VNC connection.
*
* @return
* Always NULL.
*/
void* guac_vnc_client_thread(void* data);
/**
* Key which can be used with the rfbClientGetClientData function to return
* the associated guac_client.
*/
extern char* GUAC_VNC_CLIENT_KEY;
#endif