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205 lines
6.0 KiB
205 lines
6.0 KiB
#ifndef RFBCLIENT_H
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#define RFBCLIENT_H
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/*
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* Copyright (C) 2000, 2001 Const Kaplinsky. All Rights Reserved.
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* Copyright (C) 2000 Tridia Corporation. All Rights Reserved.
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* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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/*
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* vncviewer.h
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <rfb/rfbproto.h>
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#include <rfb/keysym.h>
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#define rfbClientSwap16IfLE(s) \
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(*(char *)&client->endianTest ? ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff)) : (s))
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#define rfbClientSwap32IfLE(l) \
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(*(char *)&client->endianTest ? ((((l) & 0xff000000) >> 24) | \
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(((l) & 0x00ff0000) >> 8) | \
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(((l) & 0x0000ff00) << 8) | \
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(((l) & 0x000000ff) << 24)) : (l))
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#define FLASH_PORT_OFFSET 5400
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#define LISTEN_PORT_OFFSET 5500
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#define TUNNEL_PORT_OFFSET 5500
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#define SERVER_PORT_OFFSET 5900
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#define DEFAULT_SSH_CMD "/usr/bin/ssh"
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#define DEFAULT_TUNNEL_CMD \
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(DEFAULT_SSH_CMD " -f -L %L:localhost:%R %H sleep 20")
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#define DEFAULT_VIA_CMD \
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(DEFAULT_SSH_CMD " -f -L %L:%H:%R %G sleep 20")
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/* vncrec */
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typedef struct {
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FILE* file;
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struct timeval tv;
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rfbBool readTimestamp;
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rfbBool doNotSleep;
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} rfbVNCRec;
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typedef struct {
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rfbBool shareDesktop;
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rfbBool viewOnly;
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const char* encodingsString;
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rfbBool useBGR233;
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int nColours;
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rfbBool forceOwnCmap;
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rfbBool forceTrueColour;
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int requestedDepth;
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int compressLevel;
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int qualityLevel;
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rfbBool enableJPEG;
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rfbBool useRemoteCursor;
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} AppData;
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struct _rfbClient;
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typedef rfbBool (*HandleCursorPosProc)(struct _rfbClient* client, int x, int y);
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typedef void (*SoftCursorLockAreaProc)(struct _rfbClient* client, int x, int y, int w, int h);
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typedef void (*SoftCursorUnlockScreenProc)(struct _rfbClient* client);
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typedef void (*GotFrameBufferUpdateProc)(struct _rfbClient* client, int x, int y, int w, int h);
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typedef char* (*GetPasswordProc)(struct _rfbClient* client);
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typedef rfbBool (*MallocFrameBufferProc)(struct _rfbClient* client);
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typedef void (*BellProc)(struct _rfbClient* client);
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typedef struct _rfbClient {
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uint8_t* frameBuffer;
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int width, height;
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int endianTest;
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AppData appData;
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const char* programName;
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char* serverHost;
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int serverPort; /* if -1, then use file recorded by vncrec */
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rfbBool listenSpecified;
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int listenPort, flashPort;
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/* Note that the CoRRE encoding uses this buffer and assumes it is big enough
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to hold 255 * 255 * 32 bits -> 260100 bytes. 640*480 = 307200 bytes.
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Hextile also assumes it is big enough to hold 16 * 16 * 32 bits.
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Tight encoding assumes BUFFER_SIZE is at least 16384 bytes. */
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#define RFB_BUFFER_SIZE (640*480)
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char buffer[RFB_BUFFER_SIZE];
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/* rfbproto.c */
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int sock;
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rfbBool canUseCoRRE;
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rfbBool canUseHextile;
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char *desktopName;
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rfbPixelFormat format;
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rfbServerInitMsg si;
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char *serverCutText;
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rfbBool newServerCutText;
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/* sockets.c */
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#define RFB_BUF_SIZE 8192
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char buf[RFB_BUF_SIZE];
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char *bufoutptr;
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int buffered;
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/* cursor.c */
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uint8_t *rcSource, *rcMask;
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/* private data pointer */
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void* clientData;
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rfbVNCRec* vncRec;
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/* hooks */
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HandleCursorPosProc HandleCursorPos;
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SoftCursorLockAreaProc SoftCursorLockArea;
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SoftCursorUnlockScreenProc SoftCursorUnlockScreen;
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GotFrameBufferUpdateProc GotFrameBufferUpdate;
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/* the pointer returned by GetPassword will be freed after use! */
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GetPasswordProc GetPassword;
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MallocFrameBufferProc MallocFrameBuffer;
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BellProc Bell;
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} rfbClient;
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/* cursor.c */
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extern rfbBool HandleCursorShape(rfbClient* client,int xhot, int yhot, int width, int height, uint32_t enc);
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/* listen.c */
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extern void listenForIncomingConnections(rfbClient* viewer);
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/* rfbproto.c */
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extern rfbBool rfbEnableClientLogging;
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typedef void (*rfbClientLogProc)(const char *format, ...);
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extern rfbClientLogProc rfbClientLog,rfbClientErr;
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extern rfbBool ConnectToRFBServer(rfbClient* client,const char *hostname, int port);
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extern rfbBool InitialiseRFBConnection(rfbClient* client);
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extern rfbBool SetFormatAndEncodings(rfbClient* client);
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extern rfbBool SendIncrementalFramebufferUpdateRequest(rfbClient* client);
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extern rfbBool SendFramebufferUpdateRequest(rfbClient* client,
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int x, int y, int w, int h,
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rfbBool incremental);
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extern rfbBool SendPointerEvent(rfbClient* client,int x, int y, int buttonMask);
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extern rfbBool SendKeyEvent(rfbClient* client,uint32_t key, rfbBool down);
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extern rfbBool SendClientCutText(rfbClient* client,char *str, int len);
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extern rfbBool HandleRFBServerMessage(rfbClient* client);
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extern void PrintPixelFormat(rfbPixelFormat *format);
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/* sockets.c */
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extern rfbBool errorMessageOnReadFailure;
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extern rfbBool ReadFromRFBServer(rfbClient* client, char *out, unsigned int n);
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extern rfbBool WriteToRFBServer(rfbClient* client, char *buf, int n);
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extern int FindFreeTcpPort(void);
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extern int ListenAtTcpPort(int port);
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extern int ConnectClientToTcpAddr(unsigned int host, int port);
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extern int AcceptTcpConnection(int listenSock);
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extern rfbBool SetNonBlocking(int sock);
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extern rfbBool StringToIPAddr(const char *str, unsigned int *addr);
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extern rfbBool SameMachine(int sock);
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extern int WaitForMessage(rfbClient* client,unsigned int usecs);
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/* vncviewer.c */
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rfbClient* rfbGetClient(int bitsPerSample,int samplesPerPixel,int bytesPerPixel);
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rfbBool rfbInitClient(rfbClient* client,int* argc,char** argv);
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void rfbClientCleanup(rfbClient* client);
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#endif
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