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Diffstat (limited to 'classes/novnc/include/rfb.js')
| -rw-r--r-- | classes/novnc/include/rfb.js | 1613 |
1 files changed, 0 insertions, 1613 deletions
diff --git a/classes/novnc/include/rfb.js b/classes/novnc/include/rfb.js deleted file mode 100644 index b7aa3f6..0000000 --- a/classes/novnc/include/rfb.js +++ /dev/null @@ -1,1613 +0,0 @@ -/* - * noVNC: HTML5 VNC client - * Copyright (C) 2011 Joel Martin - * Licensed under LGPL-3 (see LICENSE.txt) - * - * See README.md for usage and integration instructions. - */ - -/*jslint white: false, browser: true, bitwise: false, plusplus: false */ -/*global window, Util, Display, Keyboard, Mouse, Websock, Websock_native, Base64, DES */ - - -function RFB(defaults) { -"use strict"; - -var that = {}, // Public API methods - conf = {}, // Configuration attributes - - // Pre-declare private functions used before definitions (jslint) - init_vars, updateState, fail, handle_message, - init_msg, normal_msg, framebufferUpdate, print_stats, - - pixelFormat, clientEncodings, fbUpdateRequest, fbUpdateRequests, - keyEvent, pointerEvent, clientCutText, - - extract_data_uri, scan_tight_imgQ, - keyPress, mouseButton, mouseMove, - - checkEvents, // Overridable for testing - - - // - // Private RFB namespace variables - // - rfb_host = '', - rfb_port = 5900, - rfb_password = '', - rfb_path = '', - - rfb_state = 'disconnected', - rfb_version = 0, - rfb_max_version= 3.8, - rfb_auth_scheme= '', - - - // In preference order - encodings = [ - ['COPYRECT', 0x01 ], - ['TIGHT_PNG', -260 ], - ['HEXTILE', 0x05 ], - ['RRE', 0x02 ], - ['RAW', 0x00 ], - ['DesktopSize', -223 ], - ['Cursor', -239 ], - - // Psuedo-encoding settings - ['JPEG_quality_lo', -32 ], - //['JPEG_quality_hi', -23 ], - ['compress_lo', -255 ] - //['compress_hi', -247 ] - ], - - encHandlers = {}, - encNames = {}, - encStats = {}, // [rectCnt, rectCntTot] - - ws = null, // Websock object - display = null, // Display object - keyboard = null, // Keyboard input handler object - mouse = null, // Mouse input handler object - sendTimer = null, // Send Queue check timer - connTimer = null, // connection timer - disconnTimer = null, // disconnection timer - msgTimer = null, // queued handle_message timer - - // Frame buffer update state - FBU = { - rects : 0, - subrects : 0, // RRE - lines : 0, // RAW - tiles : 0, // HEXTILE - bytes : 0, - x : 0, - y : 0, - width : 0, - height : 0, - encoding : 0, - subencoding : -1, - background : null, - imgQ : [] // TIGHT_PNG image queue - }, - - fb_Bpp = 4, - fb_depth = 3, - fb_width = 0, - fb_height = 0, - fb_name = "", - - scan_imgQ_rate = 40, // 25 times per second or so - last_req_time = 0, - rre_chunk_sz = 100, - - timing = { - last_fbu : 0, - fbu_total : 0, - fbu_total_cnt : 0, - full_fbu_total : 0, - full_fbu_cnt : 0, - - fbu_rt_start : 0, - fbu_rt_total : 0, - fbu_rt_cnt : 0 - }, - - test_mode = false, - - def_con_timeout = Websock_native ? 2 : 5, - - /* Mouse state */ - mouse_buttonMask = 0, - mouse_arr = [], - viewportDragging = false, - viewportDragPos = {}; - -// Configuration attributes -Util.conf_defaults(conf, that, defaults, [ - ['target', 'wo', 'dom', null, 'VNC display rendering Canvas object'], - ['focusContainer', 'wo', 'dom', document, 'DOM element that captures keyboard input'], - - ['encrypt', 'rw', 'bool', false, 'Use TLS/SSL/wss encryption'], - ['true_color', 'rw', 'bool', true, 'Request true color pixel data'], - ['local_cursor', 'rw', 'bool', false, 'Request locally rendered cursor'], - ['shared', 'rw', 'bool', true, 'Request shared mode'], - - ['connectTimeout', 'rw', 'int', def_con_timeout, 'Time (s) to wait for connection'], - ['disconnectTimeout', 'rw', 'int', 3, 'Time (s) to wait for disconnection'], - - ['viewportDrag', 'rw', 'bool', false, 'Move the viewport on mouse drags'], - - ['check_rate', 'rw', 'int', 217, 'Timing (ms) of send/receive check'], - ['fbu_req_rate', 'rw', 'int', 1413, 'Timing (ms) of frameBufferUpdate requests'], - - // Callback functions - ['onUpdateState', 'rw', 'func', function() { }, - 'onUpdateState(rfb, state, oldstate, statusMsg): RFB state update/change '], - ['onPasswordRequired', 'rw', 'func', function() { }, - 'onPasswordRequired(rfb): VNC password is required '], - ['onClipboard', 'rw', 'func', function() { }, - 'onClipboard(rfb, text): RFB clipboard contents received'], - ['onBell', 'rw', 'func', function() { }, - 'onBell(rfb): RFB Bell message received '], - ['onFBUReceive', 'rw', 'func', function() { }, - 'onFBUReceive(rfb, fbu): RFB FBU received but not yet processed '], - ['onFBUComplete', 'rw', 'func', function() { }, - 'onFBUComplete(rfb, fbu): RFB FBU received and processed '], - - // These callback names are deprecated - ['updateState', 'rw', 'func', function() { }, - 'obsolete, use onUpdateState'], - ['clipboardReceive', 'rw', 'func', function() { }, - 'obsolete, use onClipboard'] - ]); - - -// Override/add some specific configuration getters/setters -that.set_local_cursor = function(cursor) { - if ((!cursor) || (cursor in {'0':1, 'no':1, 'false':1})) { - conf.local_cursor = false; - } else { - if (display.get_cursor_uri()) { - conf.local_cursor = true; - } else { - Util.Warn("Browser does not support local cursor"); - } - } -}; - -// These are fake configuration getters -that.get_display = function() { return display; }; - -that.get_keyboard = function() { return keyboard; }; - -that.get_mouse = function() { return mouse; }; - - - -// -// Setup routines -// - -// Create the public API interface and initialize values that stay -// constant across connect/disconnect -function constructor() { - var i, rmode; - Util.Debug(">> RFB.constructor"); - - // Create lookup tables based encoding number - for (i=0; i < encodings.length; i+=1) { - encHandlers[encodings[i][1]] = encHandlers[encodings[i][0]]; - encNames[encodings[i][1]] = encodings[i][0]; - encStats[encodings[i][1]] = [0, 0]; - } - // Initialize display, mouse, keyboard, and websock - try { - display = new Display({'target': conf.target}); - } catch (exc) { - Util.Error("Display exception: " + exc); - updateState('fatal', "No working Display"); - } - keyboard = new Keyboard({'target': conf.focusContainer, - 'onKeyPress': keyPress}); - mouse = new Mouse({'target': conf.target, - 'onMouseButton': mouseButton, - 'onMouseMove': mouseMove}); - - rmode = display.get_render_mode(); - - ws = new Websock(); - ws.on('message', handle_message); - ws.on('open', function() { - if (rfb_state === "connect") { - updateState('ProtocolVersion', "Starting VNC handshake"); - } else { - fail("Got unexpected WebSockets connection"); - } - }); - ws.on('close', function() { - if (rfb_state === 'disconnect') { - updateState('disconnected', 'VNC disconnected'); - } else if (rfb_state === 'ProtocolVersion') { - fail('Failed to connect to server'); - } else if (rfb_state in {'failed':1, 'disconnected':1}) { - Util.Error("Received onclose while disconnected"); - } else { - fail('Server disconnected'); - } - }); - ws.on('error', function(e) { - fail("WebSock error: " + e); - }); - - - init_vars(); - - /* Check web-socket-js if no builtin WebSocket support */ - if (Websock_native) { - Util.Info("Using native WebSockets"); - updateState('loaded', 'noVNC ready: native WebSockets, ' + rmode); - } else { - Util.Warn("Using web-socket-js bridge. Flash version: " + - Util.Flash.version); - if ((! Util.Flash) || - (Util.Flash.version < 9)) { - updateState('fatal', "WebSockets or <a href='http://get.adobe.com/flashplayer'>Adobe Flash<\/a> is required"); - } else if (document.location.href.substr(0, 7) === "file://") { - updateState('fatal', - "'file://' URL is incompatible with Adobe Flash"); - } else { - updateState('loaded', 'noVNC ready: WebSockets emulation, ' + rmode); - } - } - - Util.Debug("<< RFB.constructor"); - return that; // Return the public API interface -} - -function connect() { - Util.Debug(">> RFB.connect"); - - var uri = ""; - if (conf.encrypt) { - uri = "wss://"; - } else { - uri = "ws://"; - } - uri += rfb_host + ":" + rfb_port + "/" + rfb_path; - Util.Info("connecting to " + uri); - ws.open(uri); - - Util.Debug("<< RFB.connect"); -} - -// Initialize variables that are reset before each connection -init_vars = function() { - var i; - - /* Reset state */ - ws.init(); - - FBU.rects = 0; - FBU.subrects = 0; // RRE and HEXTILE - FBU.lines = 0; // RAW - FBU.tiles = 0; // HEXTILE - FBU.imgQ = []; // TIGHT_PNG image queue - mouse_buttonMask = 0; - mouse_arr = []; - - // Clear the per connection encoding stats - for (i=0; i < encodings.length; i+=1) { - encStats[encodings[i][1]][0] = 0; - } -}; - -// Print statistics -print_stats = function() { - var i, s; - Util.Info("Encoding stats for this connection:"); - for (i=0; i < encodings.length; i+=1) { - s = encStats[encodings[i][1]]; - if ((s[0] + s[1]) > 0) { - Util.Info(" " + encodings[i][0] + ": " + - s[0] + " rects"); - } - } - Util.Info("Encoding stats since page load:"); - for (i=0; i < encodings.length; i+=1) { - s = encStats[encodings[i][1]]; - if ((s[0] + s[1]) > 0) { - Util.Info(" " + encodings[i][0] + ": " + - s[1] + " rects"); - } - } -}; - -// -// Utility routines -// - - -/* - * Page states: - * loaded - page load, equivalent to disconnected - * disconnected - idle state - * connect - starting to connect (to ProtocolVersion) - * normal - connected - * disconnect - starting to disconnect - * failed - abnormal disconnect - * fatal - failed to load page, or fatal error - * - * RFB protocol initialization states: - * ProtocolVersion - * Security - * Authentication - * password - waiting for password, not part of RFB - * SecurityResult - * ClientInitialization - not triggered by server message - * ServerInitialization (to normal) - */ -updateState = function(state, statusMsg) { - var func, cmsg, oldstate = rfb_state; - - if (state === oldstate) { - /* Already here, ignore */ - Util.Debug("Already in state '" + state + "', ignoring."); - return; - } - - /* - * These are disconnected states. A previous connect may - * asynchronously cause a connection so make sure we are closed. - */ - if (state in {'disconnected':1, 'loaded':1, 'connect':1, - 'disconnect':1, 'failed':1, 'fatal':1}) { - if (sendTimer) { - clearInterval(sendTimer); - sendTimer = null; - } - - if (msgTimer) { - clearInterval(msgTimer); - msgTimer = null; - } - - if (display && display.get_context()) { - keyboard.ungrab(); - mouse.ungrab(); - display.defaultCursor(); - if ((Util.get_logging() !== 'debug') || - (state === 'loaded')) { - // Show noVNC logo on load and when disconnected if - // debug is off - display.clear(); - } - } - - ws.close(); - } - - if (oldstate === 'fatal') { - Util.Error("Fatal error, cannot continue"); - } - - if ((state === 'failed') || (state === 'fatal')) { - func = Util.Error; - } else { - func = Util.Warn; - } - - if ((oldstate === 'failed') && (state === 'disconnected')) { - // Do disconnect action, but stay in failed state. - rfb_state = 'failed'; - } else { - rfb_state = state; - } - - cmsg = typeof(statusMsg) !== 'undefined' ? (" Msg: " + statusMsg) : ""; - func("New state '" + rfb_state + "', was '" + oldstate + "'." + cmsg); - - if (connTimer && (rfb_state !== 'connect')) { - Util.Debug("Clearing connect timer"); - clearInterval(connTimer); - connTimer = null; - } - - if (disconnTimer && (rfb_state !== 'disconnect')) { - Util.Debug("Clearing disconnect timer"); - clearInterval(disconnTimer); - disconnTimer = null; - } - - switch (state) { - case 'normal': - if ((oldstate === 'disconnected') || (oldstate === 'failed')) { - Util.Error("Invalid transition from 'disconnected' or 'failed' to 'normal'"); - } - - break; - - - case 'connect': - - connTimer = setTimeout(function () { - fail("Connect timeout"); - }, conf.connectTimeout * 1000); - - init_vars(); - connect(); - - // WebSocket.onopen transitions to 'ProtocolVersion' - break; - - - case 'disconnect': - - if (! test_mode) { - disconnTimer = setTimeout(function () { - fail("Disconnect timeout"); - }, conf.disconnectTimeout * 1000); - } - - print_stats(); - - // WebSocket.onclose transitions to 'disconnected' - break; - - - case 'failed': - if (oldstate === 'disconnected') { - Util.Error("Invalid transition from 'disconnected' to 'failed'"); - } - if (oldstate === 'normal') { - Util.Error("Error while connected."); - } - if (oldstate === 'init') { - Util.Error("Error while initializing."); - } - - // Make sure we transition to disconnected - setTimeout(function() { updateState('disconnected'); }, 50); - - break; - - - default: - // No state change action to take - - } - - if ((oldstate === 'failed') && (state === 'disconnected')) { - // Leave the failed message - conf.updateState(that, state, oldstate); // Obsolete - conf.onUpdateState(that, state, oldstate); - } else { - conf.updateState(that, state, oldstate, statusMsg); // Obsolete - conf.onUpdateState(that, state, oldstate, statusMsg); - } -}; - -fail = function(msg) { - updateState('failed', msg); - return false; -}; - -handle_message = function() { - //Util.Debug(">> handle_message ws.rQlen(): " + ws.rQlen()); - //Util.Debug("ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); - if (ws.rQlen() === 0) { - Util.Warn("handle_message called on empty receive queue"); - return; - } - switch (rfb_state) { - case 'disconnected': - case 'failed': - Util.Error("Got data while disconnected"); - break; - case 'normal': - if (normal_msg() && ws.rQlen() > 0) { - // true means we can continue processing - // Give other events a chance to run - if (msgTimer === null) { - Util.Debug("More data to process, creating timer"); - msgTimer = setTimeout(function () { - msgTimer = null; - handle_message(); - }, 10); - } else { - Util.Debug("More data to process, existing timer"); - } - } - break; - default: - init_msg(); - break; - } -}; - - -function genDES(password, challenge) { - var i, passwd = []; - for (i=0; i < password.length; i += 1) { - passwd.push(password.charCodeAt(i)); - } - return (new DES(passwd)).encrypt(challenge); -} - -function flushClient() { - if (mouse_arr.length > 0) { - //send(mouse_arr.concat(fbUpdateRequests())); - ws.send(mouse_arr); - setTimeout(function() { - ws.send(fbUpdateRequests()); - }, 50); - - mouse_arr = []; - return true; - } else { - return false; - } -} - -// overridable for testing -checkEvents = function() { - var now; - if (rfb_state === 'normal' && !viewportDragging) { - if (! flushClient()) { - now = new Date().getTime(); - if (now > last_req_time + conf.fbu_req_rate) { - last_req_time = now; - ws.send(fbUpdateRequests()); - } - } - } - setTimeout(checkEvents, conf.check_rate); -}; - -keyPress = function(keysym, down) { - var arr; - arr = keyEvent(keysym, down); - arr = arr.concat(fbUpdateRequests()); - ws.send(arr); -}; - -mouseButton = function(x, y, down, bmask) { - if (down) { - mouse_buttonMask |= bmask; - } else { - mouse_buttonMask ^= bmask; - } - - if (conf.viewportDrag) { - if (down && !viewportDragging) { - viewportDragging = true; - viewportDragPos = {'x': x, 'y': y}; - - // Skip sending mouse events - return; - } else { - viewportDragging = false; - } - } - - mouse_arr = mouse_arr.concat( - pointerEvent(display.absX(x), display.absY(y)) ); - flushClient(); -}; - -mouseMove = function(x, y) { - //Util.Debug('>> mouseMove ' + x + "," + y); - var deltaX, deltaY; - - if (viewportDragging) { - //deltaX = x - viewportDragPos.x; // drag viewport - deltaX = viewportDragPos.x - x; // drag frame buffer - //deltaY = y - viewportDragPos.y; // drag viewport - deltaY = viewportDragPos.y - y; // drag frame buffer - viewportDragPos = {'x': x, 'y': y}; - - display.viewportChange(deltaX, deltaY); - - // Skip sending mouse events - return; - } - - mouse_arr = mouse_arr.concat( - pointerEvent(display.absX(x), display.absY(y)) ); -}; - - -// -// Server message handlers -// - -// RFB/VNC initialisation message handler -init_msg = function() { - //Util.Debug(">> init_msg [rfb_state '" + rfb_state + "']"); - - var strlen, reason, length, sversion, cversion, - i, types, num_types, challenge, response, bpp, depth, - big_endian, red_max, green_max, blue_max, red_shift, - green_shift, blue_shift, true_color, name_length; - - //Util.Debug("ws.rQ (" + ws.rQlen() + ") " + ws.rQslice(0)); - switch (rfb_state) { - - case 'ProtocolVersion' : - if (ws.rQlen() < 12) { - return fail("Incomplete protocol version"); - } - sversion = ws.rQshiftStr(12).substr(4,7); - Util.Info("Server ProtocolVersion: " + sversion); - switch (sversion) { - case "003.003": rfb_version = 3.3; break; - case "003.006": rfb_version = 3.3; break; // UltraVNC - case "003.007": rfb_version = 3.7; break; - case "003.008": rfb_version = 3.8; break; - default: - return fail("Invalid server version " + sversion); - } - if (rfb_version > rfb_max_version) { - rfb_version = rfb_max_version; - } - - if (! test_mode) { - sendTimer = setInterval(function() { - // Send updates either at a rate of one update - // every 50ms, or whatever slower rate the network - // can handle. - ws.flush(); - }, 50); - } - - cversion = "00" + parseInt(rfb_version,10) + - ".00" + ((rfb_version * 10) % 10); - ws.send_string("RFB " + cversion + "\n"); - updateState('Security', "Sent ProtocolVersion: " + cversion); - break; - - case 'Security' : - if (rfb_version >= 3.7) { - // Server sends supported list, client decides - num_types = ws.rQshift8(); - if (ws.rQwait("security type", num_types, 1)) { return false; } - if (num_types === 0) { - strlen = ws.rQshift32(); - reason = ws.rQshiftStr(strlen); - return fail("Security failure: " + reason); - } - rfb_auth_scheme = 0; - types = ws.rQshiftBytes(num_types); - Util.Debug("Server security types: " + types); - for (i=0; i < types.length; i+=1) { - if ((types[i] > rfb_auth_scheme) && (types[i] < 3)) { - rfb_auth_scheme = types[i]; - } - } - if (rfb_auth_scheme === 0) { - return fail("Unsupported security types: " + types); - } - - ws.send([rfb_auth_scheme]); - } else { - // Server decides - if (ws.rQwait("security scheme", 4)) { return false; } - rfb_auth_scheme = ws.rQshift32(); - } - updateState('Authentication', - "Authenticating using scheme: " + rfb_auth_scheme); - init_msg(); // Recursive fallthrough (workaround JSLint complaint) - break; - - // Triggered by fallthough, not by server message - case 'Authentication' : - //Util.Debug("Security auth scheme: " + rfb_auth_scheme); - switch (rfb_auth_scheme) { - case 0: // connection failed - if (ws.rQwait("auth reason", 4)) { return false; } - strlen = ws.rQshift32(); - reason = ws.rQshiftStr(strlen); - return fail("Auth failure: " + reason); - case 1: // no authentication - if (rfb_version >= 3.8) { - updateState('SecurityResult'); - return; - } - // Fall through to ClientInitialisation - break; - case 2: // VNC authentication - if (rfb_password.length === 0) { - // Notify via both callbacks since it is kind of - // a RFB state change and a UI interface issue. - updateState('password', "Password Required"); - conf.onPasswordRequired(that); - return; - } - if (ws.rQwait("auth challenge", 16)) { return false; } - challenge = ws.rQshiftBytes(16); - //Util.Debug("Password: " + rfb_password); - //Util.Debug("Challenge: " + challenge + - // " (" + challenge.length + ")"); - response = genDES(rfb_password, challenge); - //Util.Debug("Response: " + response + - // " (" + response.length + ")"); - - //Util.Debug("Sending DES encrypted auth response"); - ws.send(response); - updateState('SecurityResult'); - return; - default: - fail("Unsupported auth scheme: " + rfb_auth_scheme); - return; - } - updateState('ClientInitialisation', "No auth required"); - init_msg(); // Recursive fallthrough (workaround JSLint complaint) - break; - - case 'SecurityResult' : - if (ws.rQwait("VNC auth response ", 4)) { return false; } - switch (ws.rQshift32()) { - case 0: // OK - // Fall through to ClientInitialisation - break; - case 1: // failed - if (rfb_version >= 3.8) { - length = ws.rQshift32(); - if (ws.rQwait("SecurityResult reason", length, 8)) { - return false; - } - reason = ws.rQshiftStr(length); - fail(reason); - } else { - fail("Authentication failed"); - } - return; - case 2: // too-many - return fail("Too many auth attempts"); - } - updateState('ClientInitialisation', "Authentication OK"); - init_msg(); // Recursive fallthrough (workaround JSLint complaint) - break; - - // Triggered by fallthough, not by server message - case 'ClientInitialisation' : - ws.send([conf.shared ? 1 : 0]); // ClientInitialisation - updateState('ServerInitialisation', "Authentication OK"); - break; - - case 'ServerInitialisation' : - if (ws.rQwait("server initialization", 24)) { return false; } - - /* Screen size */ - fb_width = ws.rQshift16(); - fb_height = ws.rQshift16(); - - /* PIXEL_FORMAT */ - bpp = ws.rQshift8(); - depth = ws.rQshift8(); - big_endian = ws.rQshift8(); - true_color = ws.rQshift8(); - - red_max = ws.rQshift16(); - green_max = ws.rQshift16(); - blue_max = ws.rQshift16(); - red_shift = ws.rQshift8(); - green_shift = ws.rQshift8(); - blue_shift = ws.rQshift8(); - ws.rQshiftStr(3); // padding - - Util.Info("Screen: " + fb_width + "x" + fb_height + - ", bpp: " + bpp + ", depth: " + depth + - ", big_endian: " + big_endian + - ", true_color: " + true_color + - ", red_max: " + red_max + - ", green_max: " + green_max + - ", blue_max: " + blue_max + - ", red_shift: " + red_shift + - ", green_shift: " + green_shift + - ", blue_shift: " + blue_shift); - - /* Connection name/title */ - name_length = ws.rQshift32(); - fb_name = ws.rQshiftStr(name_length); - - display.set_true_color(conf.true_color); - display.resize(fb_width, fb_height); - keyboard.grab(); - mouse.grab(); - - if (conf.true_color) { - fb_Bpp = 4; - fb_depth = 3; - } else { - fb_Bpp = 1; - fb_depth = 1; - } - - response = pixelFormat(); - response = response.concat(clientEncodings()); - response = response.concat(fbUpdateRequests()); - timing.fbu_rt_start = (new Date()).getTime(); - ws.send(response); - - /* Start pushing/polling */ - setTimeout(checkEvents, conf.check_rate); - setTimeout(scan_tight_imgQ, scan_imgQ_rate); - - if (conf.encrypt) { - updateState('normal', "Connected (encrypted) to: " + fb_name); - } else { - updateState('normal', "Connected (unencrypted) to: " + fb_name); - } - break; - } - //Util.Debug("<< init_msg"); -}; - - -/* Normal RFB/VNC server message handler */ -normal_msg = function() { - //Util.Debug(">> normal_msg"); - - var ret = true, msg_type, length, text, - c, first_colour, num_colours, red, green, blue; - - if (FBU.rects > 0) { - msg_type = 0; - } else { - msg_type = ws.rQshift8(); - } - switch (msg_type) { - case 0: // FramebufferUpdate - ret = framebufferUpdate(); // false means need more data - break; - case 1: // SetColourMapEntries - Util.Debug("SetColourMapEntries"); - ws.rQshift8(); // Padding - first_colour = ws.rQshift16(); // First colour - num_colours = ws.rQshift16(); - for (c=0; c < num_colours; c+=1) { - red = ws.rQshift16(); - //Util.Debug("red before: " + red); - red = parseInt(red / 256, 10); - //Util.Debug("red after: " + red); - green = parseInt(ws.rQshift16() / 256, 10); - blue = parseInt(ws.rQshift16() / 256, 10); - display.set_colourMap([red, green, blue], first_colour + c); - } - Util.Debug("colourMap: " + display.get_colourMap()); - Util.Info("Registered " + num_colours + " colourMap entries"); - //Util.Debug("colourMap: " + display.get_colourMap()); - break; - case 2: // Bell - Util.Debug("Bell"); - conf.onBell(that); - break; - case 3: // ServerCutText - Util.Debug("ServerCutText"); - if (ws.rQwait("ServerCutText header", 7, 1)) { return false; } - ws.rQshiftBytes(3); // Padding - length = ws.rQshift32(); - if (ws.rQwait("ServerCutText", length, 8)) { return false; } - - text = ws.rQshiftStr(length); - conf.clipboardReceive(that, text); // Obsolete - conf.onClipboard(that, text); - break; - default: - fail("Disconnected: illegal server message type " + msg_type); - Util.Debug("ws.rQslice(0,30):" + ws.rQslice(0,30)); - break; - } - //Util.Debug("<< normal_msg"); - return ret; -}; - -framebufferUpdate = function() { - var now, hdr, fbu_rt_diff, ret = true; - - if (FBU.rects === 0) { - //Util.Debug("New FBU: ws.rQslice(0,20): " + ws.rQslice(0,20)); - if (ws.rQwait("FBU header", 3)) { - ws.rQunshift8(0); // FBU msg_type - return false; - } - ws.rQshift8(); // padding - FBU.rects = ws.rQshift16(); - //Util.Debug("FramebufferUpdate, rects:" + FBU.rects); - FBU.bytes = 0; - timing.cur_fbu = 0; - if (timing.fbu_rt_start > 0) { - now = (new Date()).getTime(); - Util.Info("First FBU latency: " + (now - timing.fbu_rt_start)); - } - } - - while (FBU.rects > 0) { - if (rfb_state !== "normal") { - return false; - } - if (ws.rQwait("FBU", FBU.bytes)) { return false; } - if (FBU.bytes === 0) { - if (ws.rQwait("rect header", 12)) { return false; } - /* New FramebufferUpdate */ - - hdr = ws.rQshiftBytes(12); - FBU.x = (hdr[0] << 8) + hdr[1]; - FBU.y = (hdr[2] << 8) + hdr[3]; - FBU.width = (hdr[4] << 8) + hdr[5]; - FBU.height = (hdr[6] << 8) + hdr[7]; - FBU.encoding = parseInt((hdr[8] << 24) + (hdr[9] << 16) + - (hdr[10] << 8) + hdr[11], 10); - - conf.onFBUReceive(that, - {'x': FBU.x, 'y': FBU.y, - 'width': FBU.width, 'height': FBU.height, - 'encoding': FBU.encoding, - 'encodingName': encNames[FBU.encoding]}); - - if (encNames[FBU.encoding]) { - // Debug: - /* - var msg = "FramebufferUpdate rects:" + FBU.rects; - msg += " x: " + FBU.x + " y: " + FBU.y; - msg += " width: " + FBU.width + " height: " + FBU.height; - msg += " encoding:" + FBU.encoding; - msg += "(" + encNames[FBU.encoding] + ")"; - msg += ", ws.rQlen(): " + ws.rQlen(); - Util.Debug(msg); - */ - } else { - fail("Disconnected: unsupported encoding " + - FBU.encoding); - return false; - } - } - - timing.last_fbu = (new Date()).getTime(); - - ret = encHandlers[FBU.encoding](); - - now = (new Date()).getTime(); - timing.cur_fbu += (now - timing.last_fbu); - - if (ret) { - encStats[FBU.encoding][0] += 1; - encStats[FBU.encoding][1] += 1; - } - - if (FBU.rects === 0) { - if (((FBU.width === fb_width) && - (FBU.height === fb_height)) || - (timing.fbu_rt_start > 0)) { - timing.full_fbu_total += timing.cur_fbu; - timing.full_fbu_cnt += 1; - Util.Info("Timing of full FBU, cur: " + - timing.cur_fbu + ", total: " + - timing.full_fbu_total + ", cnt: " + - timing.full_fbu_cnt + ", avg: " + - (timing.full_fbu_total / - timing.full_fbu_cnt)); - } - if (timing.fbu_rt_start > 0) { - fbu_rt_diff = now - timing.fbu_rt_start; - timing.fbu_rt_total += fbu_rt_diff; - timing.fbu_rt_cnt += 1; - Util.Info("full FBU round-trip, cur: " + - fbu_rt_diff + ", total: " + - timing.fbu_rt_total + ", cnt: " + - timing.fbu_rt_cnt + ", avg: " + - (timing.fbu_rt_total / - timing.fbu_rt_cnt)); - timing.fbu_rt_start = 0; - } - } - if (! ret) { - return ret; // false ret means need more data - } - } - - conf.onFBUComplete(that, - {'x': FBU.x, 'y': FBU.y, - 'width': FBU.width, 'height': FBU.height, - 'encoding': FBU.encoding, - 'encodingName': encNames[FBU.encoding]}); - - return true; // We finished this FBU -}; - -// -// FramebufferUpdate encodings -// - -encHandlers.RAW = function display_raw() { - //Util.Debug(">> display_raw (" + ws.rQlen() + " bytes)"); - - var cur_y, cur_height; - - if (FBU.lines === 0) { - FBU.lines = FBU.height; - } - FBU.bytes = FBU.width * fb_Bpp; // At least a line - if (ws.rQwait("RAW", FBU.bytes)) { return false; } - cur_y = FBU.y + (FBU.height - FBU.lines); - cur_height = Math.min(FBU.lines, - Math.floor(ws.rQlen()/(FBU.width * fb_Bpp))); - display.blitImage(FBU.x, cur_y, FBU.width, cur_height, - ws.get_rQ(), ws.get_rQi()); - ws.rQshiftBytes(FBU.width * cur_height * fb_Bpp); - FBU.lines -= cur_height; - - if (FBU.lines > 0) { - FBU.bytes = FBU.width * fb_Bpp; // At least another line - } else { - FBU.rects -= 1; - FBU.bytes = 0; - } - //Util.Debug("<< display_raw (" + ws.rQlen() + " bytes)"); - return true; -}; - -encHandlers.COPYRECT = function display_copy_rect() { - //Util.Debug(">> display_copy_rect"); - - var old_x, old_y; - - if (ws.rQwait("COPYRECT", 4)) { return false; } - old_x = ws.rQshift16(); - old_y = ws.rQshift16(); - display.copyImage(old_x, old_y, FBU.x, FBU.y, FBU.width, FBU.height); - FBU.rects -= 1; - FBU.bytes = 0; - return true; -}; - -encHandlers.RRE = function display_rre() { - //Util.Debug(">> display_rre (" + ws.rQlen() + " bytes)"); - var color, x, y, width, height, chunk; - - if (FBU.subrects === 0) { - if (ws.rQwait("RRE", 4+fb_Bpp)) { return false; } - FBU.subrects = ws.rQshift32(); - color = ws.rQshiftBytes(fb_Bpp); // Background - display.fillRect(FBU.x, FBU.y, FBU.width, FBU.height, color); - } - while ((FBU.subrects > 0) && (ws.rQlen() >= (fb_Bpp + 8))) { - color = ws.rQshiftBytes(fb_Bpp); - x = ws.rQshift16(); - y = ws.rQshift16(); - width = ws.rQshift16(); - height = ws.rQshift16(); - display.fillRect(FBU.x + x, FBU.y + y, width, height, color); - FBU.subrects -= 1; - } - //Util.Debug(" display_rre: rects: " + FBU.rects + - // ", FBU.subrects: " + FBU.subrects); - - if (FBU.subrects > 0) { - chunk = Math.min(rre_chunk_sz, FBU.subrects); - FBU.bytes = (fb_Bpp + 8) * chunk; - } else { - FBU.rects -= 1; - FBU.bytes = 0; - } - //Util.Debug("<< display_rre, FBU.bytes: " + FBU.bytes); - return true; -}; - -encHandlers.HEXTILE = function display_hextile() { - //Util.Debug(">> display_hextile"); - var subencoding, subrects, color, cur_tile, - tile_x, x, w, tile_y, y, h, xy, s, sx, sy, wh, sw, sh, - rQ = ws.get_rQ(), rQi = ws.get_rQi(); - - if (FBU.tiles === 0) { - 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; - } - - /* FBU.bytes comes in as 1, ws.rQlen() at least 1 */ - while (FBU.tiles > 0) { - FBU.bytes = 1; - if (ws.rQwait("HEXTILE subencoding", FBU.bytes)) { return false; } - subencoding = rQ[rQi]; // Peek - if (subencoding > 30) { // Raw - fail("Disconnected: illegal hextile subencoding " + subencoding); - //Util.Debug("ws.rQslice(0,30):" + ws.rQslice(0,30)); - return false; - } - subrects = 0; - cur_tile = FBU.total_tiles - FBU.tiles; - tile_x = cur_tile % FBU.tiles_x; - tile_y = Math.floor(cur_tile / FBU.tiles_x); - x = FBU.x + tile_x * 16; - y = FBU.y + tile_y * 16; - w = Math.min(16, (FBU.x + FBU.width) - x); - h = Math.min(16, (FBU.y + FBU.height) - y); - - /* Figure out how much we are expecting */ - if (subencoding & 0x01) { // Raw - //Util.Debug(" Raw subencoding"); - FBU.bytes += w * h * fb_Bpp; - } else { - if (subencoding & 0x02) { // Background - FBU.bytes += fb_Bpp; - } - if (subencoding & 0x04) { // Foreground - FBU.bytes += fb_Bpp; - } - if (subencoding & 0x08) { // AnySubrects - FBU.bytes += 1; // Since we aren't shifting it off - if (ws.rQwait("hextile subrects header", FBU.bytes)) { return false; } - subrects = rQ[rQi + FBU.bytes-1]; // Peek - if (subencoding & 0x10) { // SubrectsColoured - FBU.bytes += subrects * (fb_Bpp + 2); - } else { - FBU.bytes += subrects * 2; - } - } - } - - /* - Util.Debug(" tile:" + cur_tile + "/" + (FBU.total_tiles - 1) + - " (" + tile_x + "," + tile_y + ")" + - " [" + x + "," + y + "]@" + w + "x" + h + - ", subenc:" + subencoding + - "(last: " + FBU.lastsubencoding + "), subrects:" + - subrects + - ", ws.rQlen():" + ws.rQlen() + ", FBU.bytes:" + FBU.bytes + - " last:" + ws.rQslice(FBU.bytes-10, FBU.bytes) + - " next:" + ws.rQslice(FBU.bytes-1, FBU.bytes+10)); - */ - if (ws.rQwait("hextile", FBU.bytes)) { return false; } - - /* We know the encoding and have a whole tile */ - FBU.subencoding = rQ[rQi]; - rQi += 1; - if (FBU.subencoding === 0) { - if (FBU.lastsubencoding & 0x01) { - /* Weird: ignore blanks after RAW */ - Util.Debug(" Ignoring blank after RAW"); - } else { - display.fillRect(x, y, w, h, FBU.background); - } - } else if (FBU.subencoding & 0x01) { // Raw - display.blitImage(x, y, w, h, rQ, rQi); - rQi += FBU.bytes - 1; - } else { - if (FBU.subencoding & 0x02) { // Background - FBU.background = rQ.slice(rQi, rQi + fb_Bpp); - rQi += fb_Bpp; - } - if (FBU.subencoding & 0x04) { // Foreground - FBU.foreground = rQ.slice(rQi, rQi + fb_Bpp); - rQi += fb_Bpp; - } - - display.startTile(x, y, w, h, FBU.background); - if (FBU.subencoding & 0x08) { // AnySubrects - subrects = rQ[rQi]; - rQi += 1; - for (s = 0; s < subrects; s += 1) { - if (FBU.subencoding & 0x10) { // SubrectsColoured - color = rQ.slice(rQi, rQi + fb_Bpp); - rQi += fb_Bpp; - } else { - color = FBU.foreground; - } - xy = rQ[rQi]; - rQi += 1; - sx = (xy >> 4); - sy = (xy & 0x0f); - - wh = rQ[rQi]; - rQi += 1; - sw = (wh >> 4) + 1; - sh = (wh & 0x0f) + 1; - - display.subTile(sx, sy, sw, sh, color); - } - } - display.finishTile(); - } - ws.set_rQi(rQi); - FBU.lastsubencoding = FBU.subencoding; - FBU.bytes = 0; - FBU.tiles -= 1; - } - - if (FBU.tiles === 0) { - FBU.rects -= 1; - } - - //Util.Debug("<< display_hextile"); - return true; -}; - - -encHandlers.TIGHT_PNG = function display_tight_png() { - //Util.Debug(">> display_tight_png"); - var ctl, cmode, clength, getCLength, color, img; - //Util.Debug(" FBU.rects: " + FBU.rects); - //Util.Debug(" starting ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); - - FBU.bytes = 1; // compression-control byte - if (ws.rQwait("TIGHT compression-control", FBU.bytes)) { return false; } - - // Get 'compact length' header and data size - getCLength = function (arr) { - var header = 1, data = 0; - data += arr[0] & 0x7f; - if (arr[0] & 0x80) { - header += 1; - data += (arr[1] & 0x7f) << 7; - if (arr[1] & 0x80) { - header += 1; - data += arr[2] << 14; - } - } - return [header, data]; - }; - - ctl = ws.rQpeek8(); - switch (ctl >> 4) { - case 0x08: cmode = "fill"; break; - case 0x09: cmode = "jpeg"; break; - case 0x0A: cmode = "png"; break; - default: throw("Illegal basic compression received, ctl: " + ctl); - } - switch (cmode) { - // fill uses fb_depth because TPIXELs drop the padding byte - case "fill": FBU.bytes += fb_depth; break; // TPIXEL - case "jpeg": FBU.bytes += 3; break; // max clength - case "png": FBU.bytes += 3; break; // max clength - } - - if (ws.rQwait("TIGHT " + cmode, FBU.bytes)) { return false; } - - //Util.Debug(" ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); - //Util.Debug(" cmode: " + cmode); - - // Determine FBU.bytes - switch (cmode) { - case "fill": - ws.rQshift8(); // shift off ctl - color = ws.rQshiftBytes(fb_depth); - FBU.imgQ.push({ - 'type': 'fill', - 'img': {'complete': true}, - 'x': FBU.x, - 'y': FBU.y, - 'width': FBU.width, - 'height': FBU.height, - 'color': color}); - break; - case "jpeg": - case "png": - clength = getCLength(ws.rQslice(1, 4)); - FBU.bytes = 1 + clength[0] + clength[1]; // ctl + clength size + jpeg-data - if (ws.rQwait("TIGHT " + cmode, FBU.bytes)) { return false; } - - // We have everything, render it - //Util.Debug(" png, ws.rQlen(): " + ws.rQlen() + ", clength[0]: " + clength[0] + ", clength[1]: " + clength[1]); - ws.rQshiftBytes(1 + clength[0]); // shift off ctl + compact length - img = new Image(); - //img.onload = scan_tight_imgQ; - FBU.imgQ.push({ - 'type': 'img', - 'img': img, - 'x': FBU.x, - 'y': FBU.y}); - img.src = "data:image/" + cmode + - extract_data_uri(ws.rQshiftBytes(clength[1])); - img = null; - break; - } - FBU.bytes = 0; - FBU.rects -= 1; - //Util.Debug(" ending ws.rQslice(0,20): " + ws.rQslice(0,20) + " (" + ws.rQlen() + ")"); - //Util.Debug("<< display_tight_png"); - return true; -}; - -extract_data_uri = function(arr) { - //var i, stra = []; - //for (i=0; i< arr.length; i += 1) { - // stra.push(String.fromCharCode(arr[i])); - //} - //return "," + escape(stra.join('')); - return ";base64," + Base64.encode(arr); -}; - -scan_tight_imgQ = function() { - var data, imgQ, ctx; - ctx = display.get_context(); - if (rfb_state === 'normal') { - imgQ = FBU.imgQ; - while ((imgQ.length > 0) && (imgQ[0].img.complete)) { - data = imgQ.shift(); - if (data['type'] === 'fill') { - display.fillRect(data.x, data.y, data.width, data.height, data.color); - } else { - ctx.drawImage(data.img, data.x, data.y); - } - } - setTimeout(scan_tight_imgQ, scan_imgQ_rate); - } -}; - -encHandlers.DesktopSize = function set_desktopsize() { - Util.Debug(">> set_desktopsize"); - fb_width = FBU.width; - fb_height = FBU.height; - display.resize(fb_width, fb_height); - timing.fbu_rt_start = (new Date()).getTime(); - // Send a new non-incremental request - ws.send(fbUpdateRequests()); - - FBU.bytes = 0; - FBU.rects -= 1; - - Util.Debug("<< set_desktopsize"); - return true; -}; - -encHandlers.Cursor = function set_cursor() { - var x, y, w, h, pixelslength, masklength; - //Util.Debug(">> set_cursor"); - x = FBU.x; // hotspot-x - y = FBU.y; // hotspot-y - w = FBU.width; - h = FBU.height; - - pixelslength = w * h * fb_Bpp; - masklength = Math.floor((w + 7) / 8) * h; - - FBU.bytes = pixelslength + masklength; - if (ws.rQwait("cursor encoding", FBU.bytes)) { return false; } - - //Util.Debug(" set_cursor, x: " + x + ", y: " + y + ", w: " + w + ", h: " + h); - - display.changeCursor(ws.rQshiftBytes(pixelslength), - ws.rQshiftBytes(masklength), - x, y, w, h); - - FBU.bytes = 0; - FBU.rects -= 1; - - //Util.Debug("<< set_cursor"); - return true; -}; - -encHandlers.JPEG_quality_lo = function set_jpeg_quality() { - Util.Error("Server sent jpeg_quality pseudo-encoding"); -}; - -encHandlers.compress_lo = function set_compress_level() { - Util.Error("Server sent compress level pseudo-encoding"); -}; - -/* - * Client message routines - */ - -pixelFormat = function() { - //Util.Debug(">> pixelFormat"); - var arr; - arr = [0]; // msg-type - arr.push8(0); // padding - arr.push8(0); // padding - arr.push8(0); // padding - - arr.push8(fb_Bpp * 8); // bits-per-pixel - arr.push8(fb_depth * 8); // depth - arr.push8(0); // little-endian - arr.push8(conf.true_color ? 1 : 0); // true-color - - arr.push16(255); // red-max - arr.push16(255); // green-max - arr.push16(255); // blue-max - arr.push8(0); // red-shift - arr.push8(8); // green-shift - arr.push8(16); // blue-shift - - arr.push8(0); // padding - arr.push8(0); // padding - arr.push8(0); // padding - //Util.Debug("<< pixelFormat"); - return arr; -}; - -clientEncodings = function() { - //Util.Debug(">> clientEncodings"); - var arr, i, encList = []; - - for (i=0; i<encodings.length; i += 1) { - if ((encodings[i][0] === "Cursor") && - (! conf.local_cursor)) { - Util.Debug("Skipping Cursor pseudo-encoding"); - } else { - //Util.Debug("Adding encoding: " + encodings[i][0]); - encList.push(encodings[i][1]); - } - } - - arr = [2]; // msg-type - arr.push8(0); // padding - - arr.push16(encList.length); // encoding count - for (i=0; i < encList.length; i += 1) { - arr.push32(encList[i]); - } - //Util.Debug("<< clientEncodings: " + arr); - return arr; -}; - -fbUpdateRequest = function(incremental, x, y, xw, yw) { - //Util.Debug(">> fbUpdateRequest"); - if (typeof(x) === "undefined") { x = 0; } - if (typeof(y) === "undefined") { y = 0; } - if (typeof(xw) === "undefined") { xw = fb_width; } - if (typeof(yw) === "undefined") { yw = fb_height; } - var arr; - arr = [3]; // msg-type - arr.push8(incremental); - arr.push16(x); - arr.push16(y); - arr.push16(xw); - arr.push16(yw); - //Util.Debug("<< fbUpdateRequest"); - return arr; -}; - -// Based on clean/dirty areas, generate requests to send -fbUpdateRequests = function() { - var cleanDirty = display.getCleanDirtyReset(), - arr = [], i, cb, db; - - cb = cleanDirty.cleanBox; - if (cb.w > 0 && cb.h > 0) { - // Request incremental for clean box - arr = arr.concat(fbUpdateRequest(1, cb.x, cb.y, cb.w, cb.h)); - } - for (i = 0; i < cleanDirty.dirtyBoxes.length; i++) { - db = cleanDirty.dirtyBoxes[i]; - // Force all (non-incremental for dirty box - arr = arr.concat(fbUpdateRequest(0, db.x, db.y, db.w, db.h)); - } - return arr; -}; - - - -keyEvent = function(keysym, down) { - //Util.Debug(">> keyEvent, keysym: " + keysym + ", down: " + down); - var arr; - arr = [4]; // msg-type - arr.push8(down); - arr.push16(0); - arr.push32(keysym); - //Util.Debug("<< keyEvent"); - return arr; -}; - -pointerEvent = function(x, y) { - //Util.Debug(">> pointerEvent, x,y: " + x + "," + y + - // " , mask: " + mouse_buttonMask); - var arr; - arr = [5]; // msg-type - arr.push8(mouse_buttonMask); - arr.push16(x); - arr.push16(y); - //Util.Debug("<< pointerEvent"); - return arr; -}; - -clientCutText = function(text) { - //Util.Debug(">> clientCutText"); - var arr, i, n; - arr = [6]; // msg-type - arr.push8(0); // padding - arr.push8(0); // padding - arr.push8(0); // padding - arr.push32(text.length); - n = text.length; - for (i=0; i < n; i+=1) { - arr.push(text.charCodeAt(i)); - } - //Util.Debug("<< clientCutText:" + arr); - return arr; -}; - - - -// -// Public API interface functions -// - -that.connect = function(host, port, password, path) { - //Util.Debug(">> connect"); - - rfb_host = host; - rfb_port = port; - rfb_password = (password !== undefined) ? password : ""; - rfb_path = (path !== undefined) ? path : ""; - - if ((!rfb_host) || (!rfb_port)) { - return fail("Must set host and port"); - } - - updateState('connect'); - //Util.Debug("<< connect"); - -}; - -that.disconnect = function() { - //Util.Debug(">> disconnect"); - updateState('disconnect', 'Disconnecting'); - //Util.Debug("<< disconnect"); -}; - -that.sendPassword = function(passwd) { - rfb_password = passwd; - rfb_state = "Authentication"; - setTimeout(init_msg, 1); -}; - -that.sendCtrlAltDel = function() { - if (rfb_state !== "normal") { return false; } - Util.Info("Sending Ctrl-Alt-Del"); - var arr = []; - arr = arr.concat(keyEvent(0xFFE3, 1)); // Control - arr = arr.concat(keyEvent(0xFFE9, 1)); // Alt - arr = arr.concat(keyEvent(0xFFFF, 1)); // Delete - arr = arr.concat(keyEvent(0xFFFF, 0)); // Delete - arr = arr.concat(keyEvent(0xFFE9, 0)); // Alt - arr = arr.concat(keyEvent(0xFFE3, 0)); // Control - arr = arr.concat(fbUpdateRequests()); - ws.send(arr); -}; - -// Send a key press. If 'down' is not specified then send a down key -// followed by an up key. -that.sendKey = function(code, down) { - if (rfb_state !== "normal") { return false; } - var arr = []; - if (typeof down !== 'undefined') { - Util.Info("Sending key code (" + (down ? "down" : "up") + "): " + code); - arr = arr.concat(keyEvent(code, down ? 1 : 0)); - } else { - Util.Info("Sending key code (down + up): " + code); - arr = arr.concat(keyEvent(code, 1)); - arr = arr.concat(keyEvent(code, 0)); - } - arr = arr.concat(fbUpdateRequests()); - ws.send(arr); -}; - -that.clipboardPasteFrom = function(text) { - if (rfb_state !== "normal") { return; } - //Util.Debug(">> clipboardPasteFrom: " + text.substr(0,40) + "..."); - ws.send(clientCutText(text)); - //Util.Debug("<< clipboardPasteFrom"); -}; - -// Override internal functions for testing -that.testMode = function(override_send) { - test_mode = true; - that.recv_message = ws.testMode(override_send); - - checkEvents = function () { /* Stub Out */ }; - that.connect = function(host, port, password) { - rfb_host = host; - rfb_port = port; - rfb_password = password; - updateState('ProtocolVersion', "Starting VNC handshake"); - }; -}; - - -return constructor(); // Return the public API interface - -} // End of RFB() |