first alpha version of libvncclient

1 files changed, 186 insertions, 0 deletions

diff --git a/rfb/rfbclient.h b/rfb/rfbclient.h
new file mode 100644
index 0000000..c4f0418
--- /dev/null
+++ b/rfb/rfbclient.h
@@ -0,0 +1,186 @@
+/*
+ *  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 Swap16IfLE(s) \
+    (*(char *)&client->endianTest ? ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff)) : (s))
+
+#define Swap32IfLE(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 {
+  Bool shareDesktop;
+  Bool viewOnly;
+  Bool fullScreen;
+  Bool grabKeyboard;
+  Bool raiseOnBeep;
+
+  const char* encodingsString;
+
+  Bool useBGR233;
+  int nColours;
+  Bool useSharedColours;
+  Bool forceOwnCmap;
+  Bool forceTrueColour;
+  int requestedDepth;
+
+  Bool useShm;
+
+  int wmDecorationWidth;
+  int wmDecorationHeight;
+
+  Bool debug;
+
+  int popupButtonCount;
+
+  int bumpScrollTime;
+  int bumpScrollPixels;
+
+  int compressLevel;
+  int qualityLevel;
+  Bool enableJPEG;
+  Bool useRemoteCursor;
+} AppData;
+
+
+struct _rfbClient;
+
+typedef Bool (*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 (*FramebufferUpdateReceivedProc)(struct _rfbClient* client, int x, int y, int w, int h);
+typedef char* (*GetPasswordProc)(struct _rfbClient* client);
+typedef Bool (*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;
+	Bool 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;
+	Bool canUseCoRRE;
+	Bool canUseHextile;
+	char *desktopName;
+	rfbPixelFormat format;
+	rfbServerInitMsg si;
+	char *serverCutText;
+	Bool newServerCutText;
+
+	/* cursor.c */
+	uint8_t *rcSource, *rcMask;
+
+	/* hooks */
+	HandleCursorPosProc HandleCursorPos;
+	SoftCursorLockAreaProc SoftCursorLockArea;
+	SoftCursorUnlockScreenProc SoftCursorUnlockScreen;
+	FramebufferUpdateReceivedProc FramebufferUpdateReceived;
+	GetPasswordProc GetPassword;
+	MallocFrameBufferProc MallocFrameBuffer;
+	BellProc Bell;
+} rfbClient;
+
+/* cursor.c */
+
+// TODO: make callback
+
+extern Bool HandleCursorShape(rfbClient* client,int xhot, int yhot, int width, int height, uint32_t enc);
+
+/* listen.c */
+
+extern void listenForIncomingConnections(rfbClient* viewer);
+
+/* rfbproto.c */
+
+extern Bool ConnectToRFBServer(rfbClient* client,const char *hostname, int port);
+extern Bool InitialiseRFBConnection(rfbClient* client);
+extern Bool SetFormatAndEncodings(rfbClient* client);
+extern Bool SendIncrementalFramebufferUpdateRequest(rfbClient* client);
+extern Bool SendFramebufferUpdateRequest(rfbClient* client,
+					 int x, int y, int w, int h,
+					 Bool incremental);
+extern Bool SendPointerEvent(rfbClient* client,int x, int y, int buttonMask);
+extern Bool SendKeyEvent(rfbClient* client,uint32_t key, Bool down);
+extern Bool SendClientCutText(rfbClient* client,char *str, int len);
+extern Bool HandleRFBServerMessage(rfbClient* client);
+
+extern void PrintPixelFormat(rfbPixelFormat *format);
+
+/* sockets.c */
+
+extern Bool errorMessageOnReadFailure;
+
+extern Bool ReadFromRFBServer(rfbClient* client, char *out, unsigned int n);
+extern Bool WriteExact(rfbClient* client, char *buf, int n);
+extern int FindFreeTcpPort(void);
+extern int ListenAtTcpPort(int port);
+extern int ConnectToTcpAddr(unsigned int host, int port);
+extern int AcceptTcpConnection(int listenSock);
+extern Bool SetNonBlocking(int sock);
+
+extern Bool StringToIPAddr(const char *str, unsigned int *addr);
+extern Bool SameMachine(int sock);
+