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noVNC
Commit b7ec5487 authored by Joel Martin's avatar Joel Martin
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Switch to much faster console.log and separate utils into util.js.

parent 0f628064
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Showing with 233 additions and 125 deletions
canvas.html
View file @ b7ec5487
......@@ -6,22 +6,19 @@
style="border-style: dotted; border-width: 1px;">
Canvas not supported.
</canvas>
<br>
Debug:<br>
<textarea id="debug" style="font-size: 9;" cols=80 rows=25></textarea>
</body>
<script src="include/mootools.js"></script>
<script src="include/mootools-more.js"></script>
<script src="include/util.js"></script>
<script src="canvas.js"></script>
<script>
window.onload = function() {
debug("here1");
console.log("here1");
Canvas.init('tutorial', 640, 480);
Canvas.draw();
debug("here2");
console.log("here2");
}
</script>
</html>
canvas.js
View file @ b7ec5487
function debug(str) {
cell = $('debug');
cell.innerHTML += str + "\n";
cell.scrollTop = cell.scrollHeight;
}
function dirObj(obj, parent, depth) {
var msg = "";
var val = "";
if (! depth) { depth=2; }
if (! parent) { parent= ""; }
// Print the properties of the passed-in object
for (var i in obj) {
if ((depth > 1) && (typeof obj[i] == "object")) {
// Recurse attributes that are objects
msg += dirObj(obj[i], parent + "." + i, depth-1);
} else {
val = new String(obj[i]).replace("\n", " ");
if (val.length > 30) {
val = val.substr(0,30) + "...";
}
msg += parent + "." + i + ": " + val + "\n";
}
}
return msg;
}
Canvas = {
c_x : 0,
......@@ -38,25 +9,25 @@ ctx : null,
mouseDown: function (e) {
evt = e.event || window.event;
e.stop();
debug('mouse ' + evt.which + '/' + evt.button + ' down:' +
console.log('mouse ' + evt.which + '/' + evt.button + ' down:' +
(evt.clientX - Canvas.c_x) + "," + (evt.clientY - Canvas.c_y));
},
mouseUp: function (e) {
evt = e.event || window.event;
e.stop();
debug('mouse ' + evt.which + '/' + evt.button + ' up:' +
console.log('mouse ' + evt.which + '/' + evt.button + ' up:' +
(evt.clientX - Canvas.c_x) + "," + (evt.clientY - Canvas.c_y));
},
keyDown: function (e) {
e.stop();
debug("keydown: " + e.key + "(" + e.code + ")");
console.log("keydown: " + e.key + "(" + e.code + ")");
},
keyUp : function (e) {
e.stop();
debug("keyup: " + e.key + "(" + e.code + ")");
console.log("keyup: " + e.key + "(" + e.code + ")");
},
ctxDisable: function (e) {
......@@ -71,7 +42,7 @@ ctxDisable: function (e) {
init: function (id, width, height, keyDown, keyUp, mouseDown, mouseUp) {
debug(">> init_canvas");
console.log(">> init_canvas");
Canvas.id = id;
......@@ -100,7 +71,7 @@ init: function (id, width, height, keyDown, keyUp, mouseDown, mouseUp) {
if (! c.getContext) return;
Canvas.ctx = c.getContext('2d');
debug("<< init_canvas");
console.log("<< init_canvas");
},
clear: function () {
......@@ -162,7 +133,7 @@ copyImage: function(old_x, old_y, new_x, new_y, width, height) {
getKeysym: function(e) {
evt = e.event || window.event;
var keysym;
//debug(dirObj(e, null, 1));
//console.log(dirObj(e, null, 1));
/* Remap modifier and special keys */
switch ( evt.keyCode ) {
......
include/util.js 0 → 100644
View file @ b7ec5487
if ((!window.console) || (! /__debug__$/i.test(document.location.href))) {
// non-debug mode, an empty function
window.console = window.console || {};
window.console.log = function(message) {};
}
function dirObj(obj, parent, depth) {
var msg = "";
var val = "";
if (! depth) { depth=2; }
if (! parent) { parent= ""; }
// Print the properties of the passed-in object
for (var i in obj) {
if ((depth > 1) && (typeof obj[i] == "object")) {
// Recurse attributes that are objects
msg += dirObj(obj[i], parent + "." + i, depth-1);
} else {
val = new String(obj[i]).replace("\n", " ");
if (val.length > 30) {
val = val.substr(0,30) + "...";
}
msg += parent + "." + i + ": " + val + "\n";
}
}
return msg;
}
vnc.html
View file @ b7ec5487
......@@ -16,21 +16,19 @@
style="border-style: dotted; border-width: 1px;">
Canvas not supported.
</canvas>
<br>
Debug:<br>
<textarea id="debug" style="font-size: 9;" cols=80 rows=25></textarea>
</body>
<script src="include/mootools.js"></script>
<script src="include/mootools-more.js"></script>
<script src="include/base64.js"></script>
<script src="include/des.js"></script>
<script src="include/util.js"></script>
<script src="canvas.js"></script>
<script src="vnc.js"></script>
<script>
window.onload = function() {
console.log("onload");
var uri = new URI(window.location);
$('host').value = uri.getData("host") || '';
$('port').value = uri.getData("port") || '';
......
vnc.js
View file @ b7ec5487
......@@ -51,6 +51,7 @@ var FBU = {
width : 0,
height : 0,
encoding : 0,
subencoding : -1,
arr : null};
......@@ -84,35 +85,35 @@ rre_chunk : 100,
/* RFB/VNC initialisation */
init_msg: function (data) {
debug(">> init_msg: " + RFB.state);
console.log(">> init_msg: " + RFB.state);
switch (RFB.state) {
case 'ProtocolVersion' :
if (data.length != 12) {
debug("Invalid protocol version from server");
console.log("Invalid protocol version from server");
RFB.state = 'reset';
return;
}
debug("Server ProtocolVersion: " + data.shiftStr(11));
debug("Sending ProtocolVersion: " + RFB.version.substr(0,11));
console.log("Server ProtocolVersion: " + data.shiftStr(11));
console.log("Sending ProtocolVersion: " + RFB.version.substr(0,11));
RFB.send_string(RFB.version);
RFB.state = 'Authentication';
break;
case 'Authentication' :
if (data.length < 4) {
debug("Invalid auth frame");
console.log("Invalid auth frame");
RFB.state = 'reset';
return;
}
var scheme = data.shift32();
debug("Auth scheme: " + scheme);
console.log("Auth scheme: " + scheme);
switch (scheme) {
case 0: // connection failed
var strlen = data.shift32();
var reason = data.shiftStr(strlen);
debug("auth failed: " + reason);
console.log("auth failed: " + reason);
RFB.state = "failed";
return;
case 1: // no authentication
......@@ -121,12 +122,12 @@ init_msg: function (data) {
break;
case 2: // VNC authentication
var challenge = data.shiftBytes(16);
debug("Password: " + RFB.password);
debug("Challenge: " + challenge + "(" + challenge.length + ")");
console.log("Password: " + RFB.password);
console.log("Challenge: " + challenge + "(" + challenge.length + ")");
passwd = RFB.passwdTwiddle(RFB.password);
//debug("passwd: " + passwd + "(" + passwd.length + ")");
//console.log("passwd: " + passwd + "(" + passwd.length + ")");
response = des(passwd, challenge, 1);
//debug("reponse: " + response + "(" + response.length + ")");
//console.log("reponse: " + response + "(" + response.length + ")");
RFB.send_array(response);
RFB.state = "SecurityResult";
......@@ -136,21 +137,21 @@ init_msg: function (data) {
case 'SecurityResult' :
if (data.length != 4) {
debug("Invalid server auth response");
console.log("Invalid server auth response");
RFB.state = 'reset';
return;
}
var resp = data.shift32();
switch (resp) {
case 0: // OK
debug("Authentication OK");
console.log("Authentication OK");
break;
case 1: // failed
debug("Authentication failed");
console.log("Authentication failed");
RFB.state = "reset";
return;
case 2: // too-many
debug("Too many authentication attempts");
console.log("Too many authentication attempts");
RFB.state = "failed";
return;
}
......@@ -160,17 +161,17 @@ init_msg: function (data) {
case 'ServerInitialisation' :
if (data.length < 24) {
debug("Invalid server initialisation");
console.log("Invalid server initialisation");
RFB.state = 'reset';
return;
}
/* Screen size */
//debug("data: " + data);
//console.log("data: " + data);
RFB.fb_width = data.shift16();
RFB.fb_height = data.shift16();
debug("Screen size: " + RFB.fb_width + "x" + RFB.fb_height);
console.log("Screen size: " + RFB.fb_width + "x" + RFB.fb_height);
/* PIXEL_FORMAT */
var bpp = data.shift8();
......@@ -178,17 +179,17 @@ init_msg: function (data) {
var big_endian = data.shift8();
var true_color = data.shift8();
debug("bpp: " + bpp);
debug("depth: " + depth);
debug("big_endian: " + big_endian);
debug("true_color: " + true_color);
console.log("bpp: " + bpp);
console.log("depth: " + depth);
console.log("big_endian: " + big_endian);
console.log("true_color: " + true_color);
/* Connection name/title */
data.shiftStr(12);
var name_length = data.shift32();
RFB.fb_name = data.shiftStr(name_length);
debug("Name: " + RFB.fb_name);
console.log("Name: " + RFB.fb_name);
$('status').innerHTML = "Connected to: " + RFB.fb_name;
Canvas.init('vnc', RFB.fb_width, RFB.fb_height, RFB.keyDown, RFB.keyUp);
......@@ -201,19 +202,19 @@ init_msg: function (data) {
RFB.state = 'normal';
break;
}
debug("<< init_msg (" + RFB.state + ")");
console.log("<< init_msg (" + RFB.state + ")");
},
/* Framebuffer update display functions */
display_raw: function () {
debug(">> display_raw");
console.log(">> display_raw");
Canvas.rfbImage(FBU.x, FBU.y, FBU.width, FBU.height, FBU.arr);
FBU.rects --;
FBU.arr.splice(0, FBU.width * FBU.height * RFB.fb_Bpp);
FBU.rects --;
},
display_copy_rect: function () {
debug(">> display_copy_rect");
console.log(">> display_copy_rect");
var old_x = FBU.arr.shift16();
var old_y = FBU.arr.shift16();
Canvas.copyImage(old_x, old_y, FBU.x, FBU.y, FBU.width, FBU.height);
......@@ -221,10 +222,10 @@ display_copy_rect: function () {
},
display_rre: function () {
//debug(">> display_rre (" + FBU.arr.length + " bytes)");
//console.log(">> display_rre (" + FBU.arr.length + " bytes)");
if (FBU.subrects == 0) {
FBU.subrects = FBU.arr.shift32();
debug(">> display_rre " + "(" + FBU.subrects + " subrects)");
console.log(">> display_rre " + "(" + FBU.subrects + " subrects)");
var color = FBU.arr.shiftBytes(RFB.fb_Bpp); // Background
Canvas.rfbRect(FBU.x, FBU.y, FBU.width, FBU.height, color);
}
......@@ -237,7 +238,7 @@ display_rre: function () {
var height = FBU.arr.shift16();
Canvas.rfbRect(FBU.x + x, FBU.y + y, width, height, color);
}
//debug(" display_rre: rects: " + FBU.rects + ", FBU.subrects: " + FBU.subrects);
//console.log(" display_rre: rects: " + FBU.rects + ", FBU.subrects: " + FBU.subrects);
if (FBU.subrects > 0) {
var chunk = Math.min(RFB.rre_chunk, FBU.subrects);
......@@ -245,21 +246,124 @@ display_rre: function () {
} else {
FBU.rects --;
}
//debug("<< display_rre, FBU.bytes: " + FBU.bytes);
//console.log("<< display_rre, FBU.bytes: " + FBU.bytes);
},
display_hextile: function() {
if (FBU.tiles == 0) {
FBU.tiles = (Math.ceiling(FBU.width/16.0)) * (Math.ceiling(FBU.height/16.0));
console.log(">> display_hextile, tiles: " + FBU.tiles + ", arr.length: " + FBU.arr.length + ", bytes: " + FBU.bytes + ", subencoding: " + FBU.subencoding);
var subencoding, subrects = 0;
/* FBU.bytes comes in as 0, FBU.arr.length at least 2 */
while ((FBU.tiles > 0) && (FBU.arr.length >= FBU.bytes)) {
var cur_tile = FBU.total_tiles - FBU.tiles;
var tile_x = cur_tile % FBU.tiles_x;
var tile_y = Math.floor(cur_tile / FBU.tiles_x);
if (FBU.subencoding == -1) {
/* We enter with at least 2 bytes */
var subencoding = FBU.arr[0]; // Peek
FBU.bytes += 1; // Since we aren't shifting it off
//console.log(" subencoding: " + subencoding);
if (subencoding > 30) { // Raw
console.log("Illegal subencoding " + subencoding);
RFB.state = "failed";
return;
}
while (FBU.arr.length) {};
/* Figure out how much we are expecting */
if (subencoding & 0x01) { // Raw
var twidth = 16, theight = 16;
if ((FBU.width % 16) && (tile_x + 1 == FBU.tiles_x)) {
twidth = FBU.width % 16;
}
if ((FBU.height % 16) && (tile_y + 1 == FBU.tiles_y)) {
theight = FBU.height % 16;
}
FBU.bytes = twidth * theight * RFB.fb_Bpp;
} else {
if (subencoding & 0x02) { // Background
FBU.bytes += RFB.fb_Bpp;
}
if (subencoding & 0x04) { // Foreground
FBU.bytes += RFB.fb_Bpp;
}
if (subencoding & 0x08) { // AnySubrects
subrects = FBU.arr[FBU.bytes]; // Peek
FBU.bytes += 1; // Since we aren't shifting it off
if (subencoding & 0x016) { // SubrectsColoured
FBU.bytes += subrects * (RFB.fb_Bpp + 2);
} else {
FBU.bytes += subrects * 2;
}
}
}
}
console.log(" subencoding: " + subencoding + " tile " + cur_tile + "/" + (FBU.total_tiles - 1) + ", subrects: " + subrects + ", tile_x/y: " + tile_x + "," + tile_y + " , arr.length: " + FBU.arr.length + ", bytes: " + FBU.bytes);
if (FBU.arr.length < FBU.bytes) {
console.log(" not enough");
return;
}
if (subencoding > -1) {
/* We know the encoding and have a whole tile */
FBU.subencoding = FBU.arr.shift();
if (FBU.subencoding == 0) {
Canvas.rfbRect(FBU.x + tile_x * 16, FBU.y + tile_y * 16, 16, 16, FBU.background);
} else if (FBU.subencoding & 0x01) { // Raw
console.log(" Raw subencoding");
Canvas.rfbImage(FBU.x, FBU.y, FBU.width, FBU.height, FBU.arr);
FBU.arr.splice(0, FBU.width * FBU.height * RFB.fb_Bpp);
} else {
if (FBU.subencoding & 0x02) { // Background
FBU.background = FBU.arr.shiftBytes(RFB.fb_Bpp);
console.log(" background: " + FBU.background);
}
if (FBU.subencoding & 0x04) { // Foreground
FBU.foreground = FBU.arr.shiftBytes(RFB.fb_Bpp);
console.log(" foreground: " + FBU.foreground);
}
Canvas.rfbRect(FBU.x + tile_x * 16, FBU.y + tile_y * 16, 16, 16, FBU.background);
if (FBU.subencoding & 0x08) { // AnySubrects
subrects = FBU.arr.shift8();
for (var i = 0; i < subrects; i ++) {
if (FBU.subencoding & 0x016) { // SubrectsColoured
var color = FBU.arr.shiftBytes(RFB.fb_Bpp);
} else {
var color = FBU.foreground;
}
var xy = FBU.arr.shift8();
var x = tile_x * 16 + (xy & 0xf0) >> 4;
var y = tile_y * 16 + (xy & 0x0f);
var wh = FBU.arr.shift8();
var w = ((wh & 0xf0) >> 4) + 1;
var h = ((wh & 0x0f) ) + 1;
Canvas.rfbRect(FBU.x + x, FBU.y + y, w, h, color);
}
}
}
FBU.subencoding = -1;
FBU.tiles --;
FBU.bytes = 0;
}
}
if (FBU.tiles > 0) {
FBU.bytes = 2;
} else {
FBU.background = [255, 255, 0, 0]; // Yellow: invalid
FBU.rects --;
}
console.log("<< display_hextile");
},
/* Normal RFB/VNC messages */
normal_msg: function (data) {
//debug(">> normal_msg");
//console.log(">> normal_msg");
if ((FBU.rects > 0) || (FBU.bytes > 0)) {
var msg_type = 0;
} else {
......@@ -270,11 +374,11 @@ normal_msg: function (data) {
if (FBU.rects == 0) {
data.shift8();
FBU.rects = data.shift16();
debug("FramebufferUpdate, " + FBU.rects + " rects");
console.log("FramebufferUpdate, " + FBU.rects + " rects");
FBU.bytes = 0;
FBU.arr = [];
} else {
//debug("FramebufferUpdate continuation");
//console.log("FramebufferUpdate continuation");
}
if (data.length > 0 ) {
......@@ -288,7 +392,7 @@ normal_msg: function (data) {
FBU.width = FBU.arr.shift16();
FBU.height = FBU.arr.shift16();
FBU.encoding = parseInt(FBU.arr.shift32(), 10);
debug("encoding: " + FBU.encoding);
console.log("encoding: " + FBU.encoding);
switch (FBU.encoding) {
case 0: // Raw
FBU.bytes = FBU.width * FBU.height * RFB.fb_Bpp;
......@@ -300,14 +404,22 @@ normal_msg: function (data) {
FBU.bytes = 4 + RFB.fb_Bpp;
break;
case 5: // hextile
FBU.bytes = 1; // No header; get it started
FBU.bytes = 2; // No header; get it started
FBU.tiles_x = Math.ceil(FBU.width/16);
FBU.tiles_y = Math.ceil(FBU.height/16);
FBU.total_tiles = FBU.tiles_x * FBU.tiles_y;
FBU.tiles = FBU.total_tiles;
break;
default:
console.log("Unsupported encoding " + FBU.encoding);
RFB.state = "failed";
break;
}
}
//debug("FBU.arr.length: " + FBU.arr.length + ", FBU.bytes: " + FBU.bytes);
//console.log("FBU.arr.length: " + FBU.arr.length + ", FBU.bytes: " + FBU.bytes);
if (FBU.arr.length >= FBU.bytes) {
//debug('Done rect:');
//console.log('Done rect:');
FBU.bytes = 0;
switch (FBU.encoding) {
......@@ -321,24 +433,25 @@ normal_msg: function (data) {
FBU.bytes = FBU.bytes - data.length;
break;
}
if (RFB.state != "normal") return;
}
//debug("Finished frame buffer update");
//console.log("Finished frame buffer update");
break;
case 1: // SetColourMapEntries
debug("SetColourMapEntries");
console.log("SetColourMapEntries");
break;
case 2: // Bell
debug("Bell");
console.log("Bell");
break;
case 3: // ServerCutText
debug("ServerCutText");
console.log("ServerCutText");
break;
default:
debug("Unknown server message type: " + msg_type);
console.log("Unknown server message type: " + msg_type);
break;
}
//debug("<< normal_msg");
//console.log("<< normal_msg");
},
/*
......@@ -346,7 +459,7 @@ normal_msg: function (data) {
*/
setPixelFormat: function () {
debug(">> setPixelFormat");
console.log(">> setPixelFormat");
var arr = [0]; // msg-type
arr.push8(0); // padding
arr.push8(0); // padding
......@@ -368,28 +481,30 @@ setPixelFormat: function () {
arr.push8(0); // padding
arr.push8(0); // padding
RFB.send_array(arr);
debug("<< setPixelFormat");
console.log("<< setPixelFormat");
},
fixColourMapEntries: function () {
},
setEncodings: function () {
debug(">> setEncodings");
console.log(">> setEncodings");
var arr = [2]; // msg-type
arr.push8(0); // padding
arr.push16(3); // encoding count
//arr.push16(4); // encoding count
//arr.push32(5); // hextile encoding
//arr.push16(3); // encoding count
arr.push16(4); // encoding count
arr.push32(5); // hextile encoding
arr.push32(2); // RRE encoding
arr.push32(1); // copy-rect encoding
arr.push32(0); // raw encoding
RFB.send_array(arr);
debug("<< setEncodings");
console.log("<< setEncodings");
},
fbUpdateRequest: function (incremental, x, y, xw, yw) {
//debug(">> fbUpdateRequest");
//console.log(">> fbUpdateRequest");
var arr = [3]; // msg-type
arr.push8(incremental);
arr.push16(x);
......@@ -397,19 +512,19 @@ fbUpdateRequest: function (incremental, x, y, xw, yw) {
arr.push16(xw);
arr.push16(yw);
RFB.send_array(arr);
//debug("<< fbUpdateRequest");
//console.log("<< fbUpdateRequest");
},
keyEvent: function (keysym, down) {
debug(">> keyEvent, keysym: " + keysym + ", down: " + down);
console.log(">> keyEvent, keysym: " + keysym + ", down: " + down);
var arr = [4]; // msg-type
arr.push8(down);
arr.push16(0);
arr.push32(keysym);
//debug("keyEvent array: " + arr);
//console.log("keyEvent array: " + arr);
RFB.send_array(arr);
RFB.fbUpdateRequest(1, 0, 0, RFB.fb_width, RFB.fb_height);
//debug("<< keyEvent");
//console.log("<< keyEvent");
},
pointerEvent: function () {
......@@ -424,14 +539,14 @@ clientCutText: function () {
*/
send_string: function (str) {
//debug(">> send_string: " + str);
//console.log(">> send_string: " + str);
var arr = str.split('').map(function (chr) {
return chr.charCodeAt(0) } );
RFB.send_array(arr);
},
send_array: function (arr) {
//debug(">> send_array: " + Base64.encode_array(arr));
//console.log(">> send_array: " + Base64.encode_array(arr));
RFB.ws.send(Base64.encode_array(arr));
},
......@@ -460,13 +575,13 @@ poller: function () {
},
keyDown: function (e) {
//debug(">> keyDown: " + e.key + "(" + e.code + ")");
//console.log(">> keyDown: " + e.key + "(" + e.code + ")");
e.stop();
RFB.keyEvent(Canvas.getKeysym(e), 1);
},
keyUp: function (e) {
//debug(">> keyUp: " + e.key + "(" + e.code + ")");
//console.log(">> keyUp: " + e.key + "(" + e.code + ")");
e.stop();
RFB.keyEvent(Canvas.getKeysym(e), 0);
},
......@@ -477,14 +592,14 @@ keyUp: function (e) {
*/
init_ws: function () {
debug(">> init_ws");
console.log(">> init_ws");
var uri = "ws://" + RFB.host + ":" + RFB.port;
debug("connecting to " + uri);
console.log("connecting to " + uri);
RFB.ws = new WebSocket(uri);
RFB.ws.onmessage = function(e) {
//debug(">> onmessage");
//console.log(">> onmessage");
var data = Base64.decode_array(e.data);
//debug("decoded array: " + data);
//console.log("decoded array: " + data);
if (RFB.state != 'normal') {
RFB.init_msg(data);
} else {
......@@ -495,33 +610,33 @@ init_ws: function () {
RFB.disconnect();
RFB.init_ws();
} else if (RFB.state == 'failed') {
debug("Giving up!");
console.log("Giving up!");
RFB.disconnect();
}
//debug("<< onmessage");
//console.log("<< onmessage");
};
RFB.ws.onopen = function(e) {
debug(">> onopen");
console.log(">> onopen");
RFB.state = "ProtocolVersion";
debug("<< onopen");
console.log("<< onopen");
};
RFB.ws.onclose = function(e) {
debug(">> onclose");
console.log(">> onclose");
RFB.state = "closed";
debug("<< onclose");
console.log("<< onclose");
}
RFB.poller.delay(RFB.poll_rate);
debug("<< init_ws");
console.log("<< init_ws");
},
connect: function () {
debug(">> connect");
console.log(">> connect");
RFB.host = $('host').value;
RFB.port = $('port').value;
RFB.password = $('password').value;
if ((!host) || (!port)) {
debug("must set host and port");
console.log("must set host and port");
return;
}
if (RFB.ws) {
......@@ -530,12 +645,12 @@ connect: function () {
RFB.init_ws();
$('connectButton').value = "Disconnect";
$('connectButton').onclick = RFB.disconnect;
debug("<< connect");
console.log("<< connect");
},
disconnect: function () {
debug(">> disconnect");
console.log(">> disconnect");
if (RFB.ws) {
RFB.ws.close();
}
......@@ -545,7 +660,7 @@ disconnect: function () {
$('connectButton').value = "Connect";
$('connectButton').onclick = RFB.connect;
$('status').innerHTML = "Disconnected";
debug("<< disconnect");
console.log("<< disconnect");
}
}; /* End of RFB */
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