fine-tuned upload system

This commit is contained in:
2017-09-07 02:18:28 +02:00
parent 07d1a3d3b4
commit 48cd9c1a2a
12 changed files with 1420 additions and 1221 deletions
+447 -374
View File
@@ -1604,6 +1604,390 @@ function tr(key) { return _tr[key] || '?'+key+'?'; }
w.init = wifiInit;
w.startScanning = startScanning;
})(window.WiFi = {});
/** Handle connections */
var Conn = (function() {
var ws;
var heartbeatTout;
var pingIv;
var xoff = false;
var autoXoffTout;
function onOpen(evt) {
console.log("CONNECTED");
}
function onClose(evt) {
console.warn("SOCKET CLOSED, code "+evt.code+". Reconnecting...");
setTimeout(function() {
init();
}, 200);
// this happens when the buffer gets fucked up via invalid unicode.
// we basically use polling instead of socket then
}
function onMessage(evt) {
try {
// . = heartbeat
switch (evt.data.charAt(0)) {
case 'B':
case 'T':
case 'S':
Screen.load(evt.data);
break;
case '-':
//console.log('xoff');
xoff = true;
autoXoffTout = setTimeout(function(){xoff=false;}, 250);
break;
case '+':
//console.log('xon');
xoff = false;
clearTimeout(autoXoffTout);
break;
}
heartbeat();
} catch(e) {
console.error(e);
}
}
function canSend() {
return !xoff;
}
function doSend(message) {
//console.log("TX: ", message);
if (xoff) {
// TODO queue
console.log("Can't send, flood control.");
return false;
}
if (!ws) return false; // for dry testing
if (ws.readyState != 1) {
console.error("Socket not ready");
return false;
}
if (typeof message != "string") {
message = JSON.stringify(message);
}
ws.send(message);
return true;
}
function init() {
heartbeat();
ws = new WebSocket("ws://"+_root+"/term/update.ws");
ws.onopen = onOpen;
ws.onclose = onClose;
ws.onmessage = onMessage;
console.log("Opening socket.");
// Ask for initial data
$.get('http://'+_root+'/term/init', function(resp, status) {
if (status !== 200) location.reload(true);
console.log("Data received!");
Screen.load(resp);
heartbeat();
showPage();
});
}
function heartbeat() {
clearTimeout(heartbeatTout);
heartbeatTout = setTimeout(heartbeatFail, 2000);
}
function heartbeatFail() {
console.error("Heartbeat lost, probing server...");
pingIv = setInterval(function() {
console.log("> ping");
$.get('http://'+_root+'/system/ping', function(resp, status) {
if (status == 200) {
clearInterval(pingIv);
console.info("Server ready, reloading page...");
location.reload();
}
}, {
timeout: 100,
});
}, 500);
}
return {
ws: null,
init: init,
send: doSend,
canSend: canSend, // check flood control
};
})();
/**
* User input
*
* --- Rx messages: ---
* S - screen content (binary encoding of the entire screen with simple compression)
* T - text labels - Title and buttons, \0x01-separated
* B - beep
* . - heartbeat
*
* --- Tx messages ---
* s - string
* b - action button
* p - mb press
* r - mb release
* m - mouse move
*/
var Input = (function() {
var opts = {
np_alt: false,
cu_alt: false,
fn_alt: false,
mt_click: false,
mt_move: false,
no_keys: false,
};
/** Send a literal message */
function sendStrMsg(str) {
return Conn.send("s"+str);
}
/** Send a button event */
function sendBtnMsg(n) {
Conn.send("b"+Chr(n));
}
/** Fn alt choice for key message */
function fa(alt, normal) {
return opts.fn_alt ? alt : normal;
}
/** Cursor alt choice for key message */
function ca(alt, normal) {
return opts.cu_alt ? alt : normal;
}
/** Numpad alt choice for key message */
function na(alt, normal) {
return opts.np_alt ? alt : normal;
}
function _bindFnKeys() {
var keymap = {
'tab': '\x09',
'backspace': '\x08',
'enter': '\x0d',
'ctrl+enter': '\x0a',
'esc': '\x1b',
'up': ca('\x1bOA', '\x1b[A'),
'down': ca('\x1bOB', '\x1b[B'),
'right': ca('\x1bOC', '\x1b[C'),
'left': ca('\x1bOD', '\x1b[D'),
'home': ca('\x1bOH', fa('\x1b[H', '\x1b[1~')),
'insert': '\x1b[2~',
'delete': '\x1b[3~',
'end': ca('\x1bOF', fa('\x1b[F', '\x1b[4~')),
'pageup': '\x1b[5~',
'pagedown': '\x1b[6~',
'f1': fa('\x1bOP', '\x1b[11~'),
'f2': fa('\x1bOQ', '\x1b[12~'),
'f3': fa('\x1bOR', '\x1b[13~'),
'f4': fa('\x1bOS', '\x1b[14~'),
'f5': '\x1b[15~', // note the disconnect
'f6': '\x1b[17~',
'f7': '\x1b[18~',
'f8': '\x1b[19~',
'f9': '\x1b[20~',
'f10': '\x1b[21~', // note the disconnect
'f11': '\x1b[23~',
'f12': '\x1b[24~',
'shift+f1': fa('\x1bO1;2P', '\x1b[25~'),
'shift+f2': fa('\x1bO1;2Q', '\x1b[26~'), // note the disconnect
'shift+f3': fa('\x1bO1;2R', '\x1b[28~'),
'shift+f4': fa('\x1bO1;2S', '\x1b[29~'), // note the disconnect
'shift+f5': fa('\x1b[15;2~', '\x1b[31~'),
'shift+f6': fa('\x1b[17;2~', '\x1b[32~'),
'shift+f7': fa('\x1b[18;2~', '\x1b[33~'),
'shift+f8': fa('\x1b[19;2~', '\x1b[34~'),
'shift+f9': fa('\x1b[20;2~', '\x1b[35~'), // 35-38 are not standard - but what is?
'shift+f10': fa('\x1b[21;2~', '\x1b[36~'),
'shift+f11': fa('\x1b[22;2~', '\x1b[37~'),
'shift+f12': fa('\x1b[23;2~', '\x1b[38~'),
'np_0': na('\x1bOp', '0'),
'np_1': na('\x1bOq', '1'),
'np_2': na('\x1bOr', '2'),
'np_3': na('\x1bOs', '3'),
'np_4': na('\x1bOt', '4'),
'np_5': na('\x1bOu', '5'),
'np_6': na('\x1bOv', '6'),
'np_7': na('\x1bOw', '7'),
'np_8': na('\x1bOx', '8'),
'np_9': na('\x1bOy', '9'),
'np_mul': na('\x1bOR', '*'),
'np_add': na('\x1bOl', '+'),
'np_sub': na('\x1bOS', '-'),
'np_point': na('\x1bOn', '.'),
'np_div': na('\x1bOQ', '/'),
// we don't implement numlock key (should change in numpad_alt mode, but it's even more useless than the rest)
};
for (var k in keymap) {
if (keymap.hasOwnProperty(k)) {
bind(k, keymap[k]);
}
}
}
/** Bind a keystroke to message */
function bind(combo, str) {
// mac fix - allow also cmd
if (combo.indexOf('ctrl+') !== -1) {
combo += ',' + combo.replace('ctrl', 'command');
}
// unbind possible old binding
key.unbind(combo);
key(combo, function (e) {
if (opts.no_keys) return;
e.preventDefault();
sendStrMsg(str)
});
}
/** Bind/rebind key messages */
function _initKeys() {
// This takes care of text characters typed
window.addEventListener('keypress', function(evt) {
if (opts.no_keys) return;
var str = '';
if (evt.key) str = evt.key;
else if (evt.which) str = String.fromCodePoint(evt.which);
if (str.length>0 && str.charCodeAt(0) >= 32) {
// console.log("Typed ", str);
sendStrMsg(str);
}
});
// ctrl-letter codes are sent as simple low ASCII codes
for (var i = 1; i<=26;i++) {
bind('ctrl+' + String.fromCharCode(96+i), String.fromCharCode(i));
}
bind('ctrl+]', '\x1b'); // alternate way to enter ESC
bind('ctrl+\\', '\x1c');
bind('ctrl+[', '\x1d');
bind('ctrl+^', '\x1e');
bind('ctrl+_', '\x1f');
_bindFnKeys();
}
// mouse button states
var mb1 = 0;
var mb2 = 0;
var mb3 = 0;
/** Init the Input module */
function init() {
_initKeys();
// Button presses
qsa('#action-buttons button').forEach(function(s) {
s.addEventListener('click', function() {
sendBtnMsg(+this.dataset['n']);
});
});
// global mouse state tracking - for motion reporting
window.addEventListener('mousedown', function(evt) {
if (evt.button == 0) mb1 = 1;
if (evt.button == 1) mb2 = 1;
if (evt.button == 2) mb3 = 1;
});
window.addEventListener('mouseup', function(evt) {
if (evt.button == 0) mb1 = 0;
if (evt.button == 1) mb2 = 0;
if (evt.button == 2) mb3 = 0;
});
}
/** Prepare modifiers byte for mouse message */
function packModifiersForMouse() {
return (key.isModifier('ctrl')?1:0) |
(key.isModifier('shift')?2:0) |
(key.isModifier('alt')?4:0) |
(key.isModifier('meta')?8:0);
}
return {
/** Init the Input module */
init: init,
/** Send a literal string message */
sendString: sendStrMsg,
/** Enable alternate key modes (cursors, numpad, fn) */
setAlts: function(cu, np, fn) {
if (opts.cu_alt != cu || opts.np_alt != np || opts.fn_alt != fn) {
opts.cu_alt = cu;
opts.np_alt = np;
opts.fn_alt = fn;
// rebind keys - codes have changed
_bindFnKeys();
}
},
setMouseMode: function(click, move) {
opts.mt_click = click;
opts.mt_move = move;
},
// Mouse events
onMouseMove: function (x, y) {
if (!opts.mt_move) return;
var b = mb1 ? 1 : mb2 ? 2 : mb3 ? 3 : 0;
var m = packModifiersForMouse();
Conn.send("m" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
},
onMouseDown: function (x, y, b) {
if (!opts.mt_click) return;
if (b > 3 || b < 1) return;
var m = packModifiersForMouse();
Conn.send("p" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
onMouseUp: function (x, y, b) {
if (!opts.mt_click) return;
if (b > 3 || b < 1) return;
var m = packModifiersForMouse();
Conn.send("r" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
onMouseWheel: function (x, y, dir) {
if (!opts.mt_click) return;
// -1 ... btn 4 (away from user)
// +1 ... btn 5 (towards user)
var m = packModifiersForMouse();
var b = (dir < 0 ? 4 : 5);
Conn.send("p" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
mouseTracksClicks: function() {
return opts.mt_click;
},
blockKeys: function(yes) {
opts.no_keys = yes;
}
};
})();
var Screen = (function () {
var W = 0, H = 0; // dimensions
var inited = false;
@@ -1981,370 +2365,19 @@ var Screen = (function () {
load: load, // full load (string)
};
})();
/** Handle connections */
var Conn = (function() {
var ws;
var heartbeatTout;
var pingIv;
function onOpen(evt) {
console.log("CONNECTED");
}
function onClose(evt) {
console.warn("SOCKET CLOSED, code "+evt.code+". Reconnecting...");
setTimeout(function() {
init();
}, 200);
// this happens when the buffer gets fucked up via invalid unicode.
// we basically use polling instead of socket then
}
function onMessage(evt) {
try {
// . = heartbeat
if (evt.data != '.') {
//console.log("RX: ", evt.data);
// Assume all our messages are screen updates
Screen.load(evt.data);
}
heartbeat();
} catch(e) {
console.error(e);
}
}
function doSend(message) {
//console.log("TX: ", message);
if (!ws) return false; // for dry testing
if (ws.readyState != 1) {
console.error("Socket not ready");
return false;
}
if (typeof message != "string") {
message = JSON.stringify(message);
}
ws.send(message);
return true;
}
function init() {
heartbeat();
ws = new WebSocket("ws://"+_root+"/term/update.ws");
ws.onopen = onOpen;
ws.onclose = onClose;
ws.onmessage = onMessage;
console.log("Opening socket.");
// Ask for initial data
$.get('http://'+_root+'/term/init', function(resp, status) {
if (status !== 200) location.reload(true);
console.log("Data received!");
Screen.load(resp);
heartbeat();
showPage();
});
}
function heartbeat() {
clearTimeout(heartbeatTout);
heartbeatTout = setTimeout(heartbeatFail, 2000);
}
function heartbeatFail() {
console.error("Heartbeat lost, probing server...");
pingIv = setInterval(function() {
console.log("> ping");
$.get('http://'+_root+'/system/ping', function(resp, status) {
if (status == 200) {
clearInterval(pingIv);
console.info("Server ready, reloading page...");
location.reload();
}
}, {
timeout: 100,
});
}, 500);
}
return {
ws: null,
init: init,
send: doSend
};
})();
/**
* User input
*
* --- Rx messages: ---
* S - screen content (binary encoding of the entire screen with simple compression)
* T - text labels - Title and buttons, \0x01-separated
* B - beep
* . - heartbeat
*
* --- Tx messages ---
* s - string
* b - action button
* p - mb press
* r - mb release
* m - mouse move
*/
var Input = (function() {
var opts = {
np_alt: false,
cu_alt: false,
fn_alt: false,
mt_click: false,
mt_move: false,
no_keys: false,
};
/** Send a literal message */
function sendStrMsg(str) {
return Conn.send("s"+str);
}
/** Send a button event */
function sendBtnMsg(n) {
Conn.send("b"+Chr(n));
}
/** Fn alt choice for key message */
function fa(alt, normal) {
return opts.fn_alt ? alt : normal;
}
/** Cursor alt choice for key message */
function ca(alt, normal) {
return opts.cu_alt ? alt : normal;
}
/** Numpad alt choice for key message */
function na(alt, normal) {
return opts.np_alt ? alt : normal;
}
function _bindFnKeys() {
var keymap = {
'tab': '\x09',
'backspace': '\x08',
'enter': '\x0d',
'ctrl+enter': '\x0a',
'esc': '\x1b',
'up': ca('\x1bOA', '\x1b[A'),
'down': ca('\x1bOB', '\x1b[B'),
'right': ca('\x1bOC', '\x1b[C'),
'left': ca('\x1bOD', '\x1b[D'),
'home': ca('\x1bOH', fa('\x1b[H', '\x1b[1~')),
'insert': '\x1b[2~',
'delete': '\x1b[3~',
'end': ca('\x1bOF', fa('\x1b[F', '\x1b[4~')),
'pageup': '\x1b[5~',
'pagedown': '\x1b[6~',
'f1': fa('\x1bOP', '\x1b[11~'),
'f2': fa('\x1bOQ', '\x1b[12~'),
'f3': fa('\x1bOR', '\x1b[13~'),
'f4': fa('\x1bOS', '\x1b[14~'),
'f5': '\x1b[15~', // note the disconnect
'f6': '\x1b[17~',
'f7': '\x1b[18~',
'f8': '\x1b[19~',
'f9': '\x1b[20~',
'f10': '\x1b[21~', // note the disconnect
'f11': '\x1b[23~',
'f12': '\x1b[24~',
'shift+f1': fa('\x1bO1;2P', '\x1b[25~'),
'shift+f2': fa('\x1bO1;2Q', '\x1b[26~'), // note the disconnect
'shift+f3': fa('\x1bO1;2R', '\x1b[28~'),
'shift+f4': fa('\x1bO1;2S', '\x1b[29~'), // note the disconnect
'shift+f5': fa('\x1b[15;2~', '\x1b[31~'),
'shift+f6': fa('\x1b[17;2~', '\x1b[32~'),
'shift+f7': fa('\x1b[18;2~', '\x1b[33~'),
'shift+f8': fa('\x1b[19;2~', '\x1b[34~'),
'shift+f9': fa('\x1b[20;2~', '\x1b[35~'), // 35-38 are not standard - but what is?
'shift+f10': fa('\x1b[21;2~', '\x1b[36~'),
'shift+f11': fa('\x1b[22;2~', '\x1b[37~'),
'shift+f12': fa('\x1b[23;2~', '\x1b[38~'),
'np_0': na('\x1bOp', '0'),
'np_1': na('\x1bOq', '1'),
'np_2': na('\x1bOr', '2'),
'np_3': na('\x1bOs', '3'),
'np_4': na('\x1bOt', '4'),
'np_5': na('\x1bOu', '5'),
'np_6': na('\x1bOv', '6'),
'np_7': na('\x1bOw', '7'),
'np_8': na('\x1bOx', '8'),
'np_9': na('\x1bOy', '9'),
'np_mul': na('\x1bOR', '*'),
'np_add': na('\x1bOl', '+'),
'np_sub': na('\x1bOS', '-'),
'np_point': na('\x1bOn', '.'),
'np_div': na('\x1bOQ', '/'),
// we don't implement numlock key (should change in numpad_alt mode, but it's even more useless than the rest)
};
for (var k in keymap) {
if (keymap.hasOwnProperty(k)) {
bind(k, keymap[k]);
}
}
}
/** Bind a keystroke to message */
function bind(combo, str) {
// mac fix - allow also cmd
if (combo.indexOf('ctrl+') !== -1) {
combo += ',' + combo.replace('ctrl', 'command');
}
// unbind possible old binding
key.unbind(combo);
key(combo, function (e) {
if (opts.no_keys) return;
e.preventDefault();
sendStrMsg(str)
});
}
/** Bind/rebind key messages */
function _initKeys() {
// This takes care of text characters typed
window.addEventListener('keypress', function(evt) {
if (opts.no_keys) return;
var str = '';
if (evt.key) str = evt.key;
else if (evt.which) str = String.fromCodePoint(evt.which);
if (str.length>0 && str.charCodeAt(0) >= 32) {
// console.log("Typed ", str);
sendStrMsg(str);
}
});
// ctrl-letter codes are sent as simple low ASCII codes
for (var i = 1; i<=26;i++) {
bind('ctrl+' + String.fromCharCode(96+i), String.fromCharCode(i));
}
bind('ctrl+]', '\x1b'); // alternate way to enter ESC
bind('ctrl+\\', '\x1c');
bind('ctrl+[', '\x1d');
bind('ctrl+^', '\x1e');
bind('ctrl+_', '\x1f');
_bindFnKeys();
}
// mouse button states
var mb1 = 0;
var mb2 = 0;
var mb3 = 0;
/** Init the Input module */
function init() {
_initKeys();
// Button presses
qsa('#action-buttons button').forEach(function(s) {
s.addEventListener('click', function() {
sendBtnMsg(+this.dataset['n']);
});
});
// global mouse state tracking - for motion reporting
window.addEventListener('mousedown', function(evt) {
if (evt.button == 0) mb1 = 1;
if (evt.button == 1) mb2 = 1;
if (evt.button == 2) mb3 = 1;
});
window.addEventListener('mouseup', function(evt) {
if (evt.button == 0) mb1 = 0;
if (evt.button == 1) mb2 = 0;
if (evt.button == 2) mb3 = 0;
});
}
/** Prepare modifiers byte for mouse message */
function packModifiersForMouse() {
return (key.isModifier('ctrl')?1:0) |
(key.isModifier('shift')?2:0) |
(key.isModifier('alt')?4:0) |
(key.isModifier('meta')?8:0);
}
return {
/** Init the Input module */
init: init,
/** Send a literal string message */
sendString: sendStrMsg,
/** Enable alternate key modes (cursors, numpad, fn) */
setAlts: function(cu, np, fn) {
if (opts.cu_alt != cu || opts.np_alt != np || opts.fn_alt != fn) {
opts.cu_alt = cu;
opts.np_alt = np;
opts.fn_alt = fn;
// rebind keys - codes have changed
_bindFnKeys();
}
},
setMouseMode: function(click, move) {
opts.mt_click = click;
opts.mt_move = move;
},
// Mouse events
onMouseMove: function (x, y) {
if (!opts.mt_move) return;
var b = mb1 ? 1 : mb2 ? 2 : mb3 ? 3 : 0;
var m = packModifiersForMouse();
Conn.send("m" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
},
onMouseDown: function (x, y, b) {
if (!opts.mt_click) return;
if (b > 3 || b < 1) return;
var m = packModifiersForMouse();
Conn.send("p" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
onMouseUp: function (x, y, b) {
if (!opts.mt_click) return;
if (b > 3 || b < 1) return;
var m = packModifiersForMouse();
Conn.send("r" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
onMouseWheel: function (x, y, dir) {
if (!opts.mt_click) return;
// -1 ... btn 4 (away from user)
// +1 ... btn 5 (towards user)
var m = packModifiersForMouse();
var b = (dir < 0 ? 4 : 5);
Conn.send("p" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
mouseTracksClicks: function() {
return opts.mt_click;
},
blockKeys: function(yes) {
opts.no_keys = yes;
}
};
})();
/** File upload utility */
var TermUpl = (function() {
var fuLines, fuPos, fuTout, fuDelay, fuNL;
var lines, // array of lines without newlines
line_i, // current line index
fuTout, // timeout handle for line sending
send_delay_ms, // delay between lines (ms)
nl_str, // newline string to use
curLine, // current line (when using fuOil)
inline_pos; // Offset in line (for long lines)
// lines longer than this are split to chunks
// sending a super-ling string through the socket is not a good idea
var MAX_LINE_LEN = 128;
function fuOpen() {
fuStatus("Ready...");
@@ -2356,7 +2389,7 @@ var TermUpl = (function() {
function onClose() {
console.log("Upload modal closed.");
clearTimeout(fuTout);
fuPos = 0;
line_i = 0;
Input.blockKeys(false);
}
@@ -2371,10 +2404,18 @@ var TermUpl = (function() {
return;
}
fuLines = v.split('\n');
fuPos = 0;
fuDelay = qs('#fu_delay').value;
fuNL = {
lines = v.split('\n');
line_i = 0;
inline_pos = 0; // offset in line
send_delay_ms = qs('#fu_delay').value;
// sanitize - 0 causes overflows
if (send_delay_ms <= 0) {
send_delay_ms = 1;
qs('#fu_delay').value = 1;
}
nl_str = {
'CR': '\r',
'LF': '\n',
'CRLF': '\r\n',
@@ -2391,19 +2432,52 @@ var TermUpl = (function() {
return;
}
if (!Input.sendString(fuLines[fuPos++] + fuNL)) {
if (!Conn.canSend()) {
// postpone
fuTout = setTimeout(fuSendLine, 1);
return;
}
if (inline_pos == 0) {
curLine = lines[line_i++] + nl_str;
}
var chunk;
if ((curLine.length - inline_pos) <= MAX_LINE_LEN) {
chunk = curLine.substr(inline_pos, MAX_LINE_LEN);
inline_pos = 0;
} else {
chunk = curLine.substr(inline_pos, MAX_LINE_LEN);
inline_pos += MAX_LINE_LEN;
}
console.log("-> " + chunk);
if (!Input.sendString(chunk)) {
fuStatus("FAILED!");
return;
}
var all = fuLines.length;
var all = lines.length;
fuStatus(fuPos+" / "+all+ " ("+(Math.round((fuPos/all)*1000)/10)+"%)");
fuStatus(line_i+" / "+all+ " ("+(Math.round((line_i/all)*1000)/10)+"%)");
if (fuLines.length > fuPos) {
setTimeout(fuSendLine, fuDelay);
if (lines.length > line_i || inline_pos > 0) {
fuTout = setTimeout(fuSendLine, send_delay_ms);
} else {
fuClose();
closeWhenReady();
}
}
function closeWhenReady() {
if (!Conn.canSend()) {
fuStatus("Waiting for Tx buffer...");
setTimeout(closeWhenReady, 250);
} else {
fuStatus("Done.");
// delay to show it
setTimeout(function() {
fuClose();
}, 250);
}
}
@@ -2437,7 +2511,6 @@ var TermUpl = (function() {
open: fuOpen,
}
})();
/** Init the terminal sub-module - called from HTML */
window.termInit = function () {
Conn.init();