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#ifndef RFBCLIENT_H
#define RFBCLIENT_H
/*
* Copyright (C) 2000, 2001 Const Kaplinsky. All Rights Reserved.
* Copyright (C) 2000 Tridia Corporation. All Rights Reserved.
* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
/*
* vncviewer.h
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include <rfb/rfbproto.h>
#include <rfb/keysym.h>
#define rfbClientSwap16IfLE(s) \
(*(char *)&client->endianTest ? ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff)) : (s))
#define rfbClientSwap32IfLE(l) \
(*(char *)&client->endianTest ? ((((l) & 0xff000000) >> 24) | \
(((l) & 0x00ff0000) >> 8) | \
(((l) & 0x0000ff00) << 8) | \
(((l) & 0x000000ff) << 24)) : (l))
#define FLASH_PORT_OFFSET 5400
#define LISTEN_PORT_OFFSET 5500
#define TUNNEL_PORT_OFFSET 5500
#define SERVER_PORT_OFFSET 5900
#define DEFAULT_SSH_CMD "/usr/bin/ssh"
#define DEFAULT_TUNNEL_CMD \
(DEFAULT_SSH_CMD " -f -L %L:localhost:%R %H sleep 20")
#define DEFAULT_VIA_CMD \
(DEFAULT_SSH_CMD " -f -L %L:%H:%R %G sleep 20")
typedef struct {
rfbBool shareDesktop;
rfbBool viewOnly;
const char* encodingsString;
rfbBool useBGR233;
int nColours;
rfbBool forceOwnCmap;
rfbBool forceTrueColour;
int requestedDepth;
int compressLevel;
int qualityLevel;
rfbBool enableJPEG;
rfbBool useRemoteCursor;
} AppData;
struct _rfbClient;
typedef rfbBool (*HandleCursorPosProc)(struct _rfbClient* client, int x, int y);
typedef void (*SoftCursorLockAreaProc)(struct _rfbClient* client, int x, int y, int w, int h);
typedef void (*SoftCursorUnlockScreenProc)(struct _rfbClient* client);
typedef void (*GotFrameBufferUpdateProc)(struct _rfbClient* client, int x, int y, int w, int h);
typedef char* (*GetPasswordProc)(struct _rfbClient* client);
typedef rfbBool (*MallocFrameBufferProc)(struct _rfbClient* client);
typedef void (*BellProc)(struct _rfbClient* client);
typedef struct _rfbClient {
uint8_t* frameBuffer;
int width, height;
int endianTest;
AppData appData;
const char* programName;
const char* serverHost;
int serverPort;
rfbBool listenSpecified;
int listenPort, flashPort;
/* Note that the CoRRE encoding uses this buffer and assumes it is big enough
to hold 255 * 255 * 32 bits -> 260100 bytes. 640*480 = 307200 bytes.
Hextile also assumes it is big enough to hold 16 * 16 * 32 bits.
Tight encoding assumes BUFFER_SIZE is at least 16384 bytes. */
#define BUFFER_SIZE (640*480)
char buffer[BUFFER_SIZE];
/* rfbproto.c */
int sock;
rfbBool canUseCoRRE;
rfbBool canUseHextile;
char *desktopName;
rfbPixelFormat format;
rfbServerInitMsg si;
char *serverCutText;
rfbBool newServerCutText;
/* cursor.c */
uint8_t *rcSource, *rcMask;
/* private data pointer */
void* clientData;
/* hooks */
HandleCursorPosProc HandleCursorPos;
SoftCursorLockAreaProc SoftCursorLockArea;
SoftCursorUnlockScreenProc SoftCursorUnlockScreen;
GotFrameBufferUpdateProc GotFrameBufferUpdate;
GetPasswordProc GetPassword;
MallocFrameBufferProc MallocFrameBuffer;
BellProc Bell;
} rfbClient;
/* cursor.c */
extern rfbBool HandleCursorShape(rfbClient* client,int xhot, int yhot, int width, int height, uint32_t enc);
/* listen.c */
extern void listenForIncomingConnections(rfbClient* viewer);
/* rfbproto.c */
extern rfbBool rfbEnableClientLogging;
extern void rfbClientLog(const char *format, ...);
extern rfbBool ConnectToRFBServer(rfbClient* client,const char *hostname, int port);
extern rfbBool InitialiseRFBConnection(rfbClient* client);
extern rfbBool SetFormatAndEncodings(rfbClient* client);
extern rfbBool SendIncrementalFramebufferUpdateRequest(rfbClient* client);
extern rfbBool SendFramebufferUpdateRequest(rfbClient* client,
int x, int y, int w, int h,
rfbBool incremental);
extern rfbBool SendPointerEvent(rfbClient* client,int x, int y, int buttonMask);
extern rfbBool SendKeyEvent(rfbClient* client,uint32_t key, rfbBool down);
extern rfbBool SendClientCutText(rfbClient* client,char *str, int len);
extern rfbBool HandleRFBServerMessage(rfbClient* client);
extern void PrintPixelFormat(rfbPixelFormat *format);
/* sockets.c */
extern rfbBool errorMessageOnReadFailure;
extern rfbBool ReadFromRFBServer(rfbClient* client, char *out, unsigned int n);
extern rfbBool WriteToRFBServer(rfbClient* client, char *buf, int n);
extern int FindFreeTcpPort(void);
extern int ListenAtTcpPort(int port);
extern int ConnectClientToTcpAddr(unsigned int host, int port);
extern int AcceptTcpConnection(int listenSock);
extern rfbBool SetNonBlocking(int sock);
extern rfbBool StringToIPAddr(const char *str, unsigned int *addr);
extern rfbBool SameMachine(int sock);
extern int WaitForMessage(rfbClient* client,unsigned int usecs);
/* vncviewer.c */
rfbClient* rfbGetClient(int bitsPerSample,int samplesPerPixel,int bytesPerPixel);
rfbBool rfbInitClient(rfbClient* client,int* argc,char** argv);
void rfbClientCleanup(rfbClient* client);
#endif
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