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Much improved Windows MeshAgent stability

This commit is contained in:
Ylian Saint-Hilaire 2018-01-12 11:41:26 -08:00
parent c53d51175a
commit f6ef228de6
15 changed files with 269 additions and 214 deletions

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@ -472,7 +472,6 @@ function createMeshCore(agent) {
function onTunnelClosed() {
sendConsoleText("Tunnel #" + this.httprequest.index + " closed.", this.httprequest.sessionid);
if (this.httprequest.protocol == 1) { this.httprequest.process.end(); delete this.httprequest.process; }
delete tunnels[this.httprequest.index];
/*
@ -561,7 +560,8 @@ function createMeshCore(agent) {
this.httprequest.process.on('exit', function (ecode, sig) { this.tunnel.end(); });
this.httprequest.process.stderr.on('data', function (chunk) { this.parent.tunnel.write(chunk); });
this.httprequest.process.stdout.pipe(this, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
this.pipe(this.httprequest.process.stdin, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
this.pipe(this.httprequest.process.stdin, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
this.prependListener('end', function () { this.httprequest.process.kill(); });
}
}
if (this.httprequest.protocol == 2) {
@ -717,7 +717,15 @@ function createMeshCore(agent) {
var response = null;
switch (cmd) {
case 'help': { // Displays available commands
response = 'Available commands: help, info, args, print, type, dbget, dbset, dbcompact, parseuri, httpget, wslist,\r\nwsconnect, wssend, wsclose, notify, ls, amt, netinfo, location, power, wakeonlan, scanwifi, scanamt.';
response = 'Available commands: help, info, args, print, type, dbget, dbset, dbcompact, eval, parseuri, httpget,\r\nwslist, wsconnect, wssend, wsclose, notify, ls, amt, netinfo, location, power, wakeonlan, scanwifi, scanamt.';
break;
}
case 'eval': { // Eval JavaScript
if (args['_'].length < 1) {
response = 'Proper usage: eval "JavaScript code"'; // Display correct command usage
} else {
response = JSON.stringify(mesh.eval(args['_'][0]));
}
break;
}
case 'notify': { // Send a notification message to the mesh
@ -735,6 +743,7 @@ function createMeshCore(agent) {
response = 'Current Core: ' + obj.meshCoreInfo + '.\r\nAgent Time: ' + Date() + '.\r\nUser Rights: 0x' + rights.toString(16) + '.\r\nPlatform Info: ' + process.platform + '.\r\nCapabilities: ' + obj.meshCoreCapabilities + '.\r\nNative Pipes: ' + obj.useNativePipes + '.\r\nServer URL: ' + mesh.ServerUrl + '.';
if (amtLmsState >= 0) { response += '\r\nBuilt -in LMS: ' + ['Disabled', 'Connecting..', 'Connected'][amtLmsState] + '.'; }
response += '\r\nModules: ' + JSON.stringify(addedModules) + '';
response += '\r\nServerConnected: ' + mesh.isControlChannelConnected + '';
var oldNodeId = db.Get('OldNodeId');
if (oldNodeId != null) { response += '\r\nOldNodeID: ' + oldNodeId + '.'; }
response += '\r\ServerState: ' + meshServerConnectionState + '.';
@ -1136,16 +1145,11 @@ function createMeshCore(agent) {
// Setup the mesh agent event handlers
mesh.AddCommandHandler(handleServerCommand);
mesh.AddConnectHandler(handleServerConnection);
//mesh.lmsNotification = handleAmtNotification; // TODO
sendPeriodicServerUpdate(true); // TODO: Check if connected before sending
// Parse input arguments
//var args = parseArgs(process.argv);
//console.log(args);
//console.log('Stopping.');
//process.exit();
// Launch LMS
try {
var lme_heci = require('lme_heci');
@ -1154,6 +1158,14 @@ function createMeshCore(agent) {
amtLms.on('error', function (e) { amtLmsState = 0; amtLms = null; });
amtLms.on('connect', function () { amtLmsState = 2; });
} catch (e) { amtLmsState = -1; amtLms = null; }
// Check if the control channel is connected
if (mesh.isControlChannelConnected) {
sendPeriodicServerUpdate(true); // Send the server update
}
//console.log('Stopping.');
//process.exit();
}
obj.stop = function () {

View file

@ -79,7 +79,7 @@ function AMTScanner() {
server.bind({ address: '0.0.0.0', port: 0, exclusive: true });
var tmout = setTimeout(function cb() {
//console.log("Server closed");
//server.close();
server.close();
server.parent.emit('found', server.scanResults);
delete server;
}, timeout);

View file

@ -21,8 +21,7 @@ var APF_CHANNEL_CLOSE = 97;
var APF_PROTOCOLVERSION = 192;
function lme_object()
{
function lme_object() {
this.ourId = ++lme_id;
this.amtId = -1;
this.LME_CHANNEL_STATUS = 'LME_CS_FREE';
@ -32,12 +31,11 @@ function lme_object()
this.errorCount = 0;
}
function stream_bufferedWrite()
{
function stream_bufferedWrite() {
var emitterUtils = require('events').inherits(this);
this.buffer = [];
this._readCheckImmediate = undefined;
// Writable Events
emitterUtils.createEvent('close');
emitterUtils.createEvent('drain');
@ -45,21 +43,17 @@ function stream_bufferedWrite()
emitterUtils.createEvent('finish');
emitterUtils.createEvent('pipe');
emitterUtils.createEvent('unpipe');
// Readable Events
emitterUtils.createEvent('readable');
this.isEmpty = function ()
{
this.isEmpty = function () {
return (this.buffer.length == 0);
};
this.isWaiting = function ()
{
this.isWaiting = function () {
return (this._readCheckImmediate == undefined);
};
this.write = function (chunk)
{
for (var args in arguments)
{
this.write = function (chunk) {
for (var args in arguments) {
if (typeof (arguments[args]) == 'function') { this.once('drain', arguments[args]); break; }
}
var tmp = Buffer.alloc(chunk.length);
@ -68,41 +62,34 @@ function stream_bufferedWrite()
this.emit('readable');
return (this.buffer.length == 0 ? true : false);
};
this.read = function ()
{
this.read = function () {
var size = arguments.length == 0 ? undefined : arguments[0];
var bytesRead = 0;
var list = [];
while((size == undefined || bytesRead < size) && this.buffer.length > 0)
{
while ((size == undefined || bytesRead < size) && this.buffer.length > 0) {
var len = this.buffer[0].data.length - this.buffer[0].offset;
var offset = this.buffer[0].offset;
if(len > (size - bytesRead))
{
if (len > (size - bytesRead)) {
// Only reading a subset
list.push(this.buffer[0].data.slice(offset, offset + size - bytesRead));
this.buffer[0].offset += (size - bytesRead);
bytesRead += (size - bytesRead);
}
else
{
else {
// Reading the entire thing
list.push(this.buffer[0].data.slice(offset));
bytesRead += len;
this.buffer.shift();
}
}
this._readCheckImmediate = setImmediate(function (buffered)
{
this._readCheckImmediate = setImmediate(function (buffered) {
buffered._readCheckImmediate = undefined;
if(buffered.buffer.length == 0)
{
if (buffered.buffer.length == 0) {
// drained
buffered.emit('drain');
}
else
{
else {
// not drained
buffered.emit('readable');
}
@ -112,38 +99,33 @@ function stream_bufferedWrite()
}
function lme_heci()
{
function lme_heci() {
var emitterUtils = require('events').inherits(this);
emitterUtils.createEvent('error');
emitterUtils.createEvent('connect');
var heci = require('heci');
this.INITIAL_RXWINDOW_SIZE = 4096;
this._LME = heci.create();
this._LME.LMS = this;
this._LME.on('error', function (e) { this.Parent.emit('error', e); });
this._LME.on('connect', function ()
{
this._LME.on('error', function (e) { this.LMS.emit('error', e); });
this._LME.on('connect', function () {
this.LMS.emit('connect');
this.on('data', function (chunk)
{
this.on('data', function (chunk) {
// this = HECI
var cmd = chunk.readUInt8(0);
switch(cmd)
{
switch (cmd) {
default:
//console.log('Received ' + chunk.length + ' bytes of data for LMS');
//console.log('Command = ' + cmd);
break;
case APF_SERVICE_REQUEST:
case APF_SERVICE_REQUEST:
var nameLen = chunk.readUInt32BE(1);
var name = chunk.slice(5, nameLen + 5);
//console.log("Service Request for: " + name);
if (name == 'pfwd@amt.intel.com' || name == 'auth@amt.intel.com')
{
if (name == 'pfwd@amt.intel.com' || name == 'auth@amt.intel.com') {
var outBuffer = Buffer.alloc(5 + nameLen);
outBuffer.writeUInt8(6, 0);
outBuffer.writeUInt32BE(nameLen, 1);
@ -151,30 +133,26 @@ function lme_heci()
this.write(outBuffer);
//console.log('Answering APF_SERVICE_REQUEST');
}
else
{
else {
//console.log('UNKNOWN APF_SERVICE_REQUEST');
}
break;
case APF_GLOBAL_REQUEST:
case APF_GLOBAL_REQUEST:
var nameLen = chunk.readUInt32BE(1);
var name = chunk.slice(5, nameLen + 5).toString();
switch(name)
{
switch (name) {
case 'tcpip-forward':
var len = chunk.readUInt32BE(nameLen + 6);
var port = chunk.readUInt32BE(nameLen + 10 + len);
//console.log("[" + chunk.length + "/" + len + "] APF_GLOBAL_REQUEST for: " + name + " on port " + port);
if (this[name] == undefined)
{
if (this[name] == undefined) {
this[name] = {};
}
this[name][port] = require('net').createServer();
this[name][port].HECI = this;
this[name][port].listen({ port: port });
this[name][port].on('connection', function (socket)
{
this[name][port].on('connection', function (socket) {
//console.log('New [' + socket.remoteFamily + '] TCP Connection on: ' + socket.remoteAddress + ' :' + socket.localPort);
this.HECI.LMS.bindDuplexStream(socket, socket.remoteFamily, socket.localPort);
});
@ -192,54 +170,48 @@ function lme_heci()
break;
}
break;
case APF_CHANNEL_OPEN_CONFIRMATION:
var rChannel = chunk.readUInt32BE(1);
var sChannel = chunk.readUInt32BE(5);
var wSize = chunk.readUInt32BE(9);
//console.log('rChannel/' + rChannel + ', sChannel/' + sChannel + ', wSize/' + wSize);
if (this.sockets[rChannel] != undefined)
{
this.sockets[rChannel].lme.amtId = sChannel;
this.sockets[rChannel].lme.rxWindow = wSize;
this.sockets[rChannel].lme.txWindow = wSize;
this.sockets[rChannel].lme.LME_CHANNEL_STATUS = 'LME_CS_CONNECTED';
//console.log('LME_CS_CONNECTED');
this.sockets[rChannel].bufferedStream = new stream_bufferedWrite();
this.sockets[rChannel].bufferedStream.socket = this.sockets[rChannel];
this.sockets[rChannel].bufferedStream.on('readable', function ()
{
if(this.socket.lme.txWindow > 0)
{
var buffer = this.read(this.socket.lme.txWindow);
var packet = Buffer.alloc(9 + buffer.length);
packet.writeUInt8(APF_CHANNEL_DATA, 0);
packet.writeUInt32BE(this.socket.lme.amtId, 1);
packet.writeUInt32BE(buffer.length, 5);
buffer.copy(packet, 9);
this.socket.lme.txWindow -= buffer.length;
this.socket.HECI.write(packet);
}
});
this.sockets[rChannel].bufferedStream.on('drain', function ()
{
this.socket.resume();
});
this.sockets[rChannel].on('data', function (chunk)
{
if (!this.bufferedStream.write(chunk)) { this.pause(); }
});
this.sockets[rChannel].on('end', function ()
{
var outBuffer = Buffer.alloc(5);
outBuffer.writeUInt8(APF_CHANNEL_CLOSE, 0);
outBuffer.writeUInt32BE(this.lme.amtId, 1);
this.HECI.write(outBuffer);
});
this.sockets[rChannel].resume();
}
break;
case APF_PROTOCOLVERSION:
case APF_CHANNEL_OPEN_CONFIRMATION:
var rChannel = chunk.readUInt32BE(1);
var sChannel = chunk.readUInt32BE(5);
var wSize = chunk.readUInt32BE(9);
//console.log('rChannel/' + rChannel + ', sChannel/' + sChannel + ', wSize/' + wSize);
if (this.sockets[rChannel] != undefined) {
this.sockets[rChannel].lme.amtId = sChannel;
this.sockets[rChannel].lme.rxWindow = wSize;
this.sockets[rChannel].lme.txWindow = wSize;
this.sockets[rChannel].lme.LME_CHANNEL_STATUS = 'LME_CS_CONNECTED';
//console.log('LME_CS_CONNECTED');
this.sockets[rChannel].bufferedStream = new stream_bufferedWrite();
this.sockets[rChannel].bufferedStream.socket = this.sockets[rChannel];
this.sockets[rChannel].bufferedStream.on('readable', function () {
if (this.socket.lme.txWindow > 0) {
var buffer = this.read(this.socket.lme.txWindow);
var packet = Buffer.alloc(9 + buffer.length);
packet.writeUInt8(APF_CHANNEL_DATA, 0);
packet.writeUInt32BE(this.socket.lme.amtId, 1);
packet.writeUInt32BE(buffer.length, 5);
buffer.copy(packet, 9);
this.socket.lme.txWindow -= buffer.length;
this.socket.HECI.write(packet);
}
});
this.sockets[rChannel].bufferedStream.on('drain', function () {
this.socket.resume();
});
this.sockets[rChannel].on('data', function (chunk) {
if (!this.bufferedStream.write(chunk)) { this.pause(); }
});
this.sockets[rChannel].on('end', function () {
var outBuffer = Buffer.alloc(5);
outBuffer.writeUInt8(APF_CHANNEL_CLOSE, 0);
outBuffer.writeUInt32BE(this.lme.amtId, 1);
this.HECI.write(outBuffer);
});
this.sockets[rChannel].resume();
}
break;
case APF_PROTOCOLVERSION:
var major = chunk.readUInt32BE(1);
var minor = chunk.readUInt32BE(5);
var reason = chunk.readUInt32BE(9);
@ -254,16 +226,13 @@ function lme_heci()
case APF_CHANNEL_WINDOW_ADJUST:
var rChannelId = chunk.readUInt32BE(1);
var bytesToAdd = chunk.readUInt32BE(5);
if (this.sockets[rChannelId] != undefined)
{
if (this.sockets[rChannelId] != undefined) {
this.sockets[rChannelId].lme.txWindow += bytesToAdd;
if (!this.sockets[rChannelId].bufferedStream.isEmpty() && this.sockets[rChannelId].bufferedStream.isWaiting())
{
if (!this.sockets[rChannelId].bufferedStream.isEmpty() && this.sockets[rChannelId].bufferedStream.isWaiting()) {
this.sockets[rChannelId].bufferedStream.emit('readable');
}
}
else
{
else {
//console.log('Unknown Recipient ID/' + rChannelId + ' for APF_CHANNEL_WINDOW_ADJUST');
}
break;
@ -271,11 +240,9 @@ function lme_heci()
var rChannelId = chunk.readUInt32BE(1);
var dataLen = chunk.readUInt32BE(5);
var data = chunk.slice(9, 9 + dataLen);
if (this.sockets[rChannelId] != undefined)
{
if (this.sockets[rChannelId] != undefined) {
this.sockets[rChannelId].pendingBytes.push(data.length);
this.sockets[rChannelId].write(data, function ()
{
this.sockets[rChannelId].write(data, function () {
var written = this.pendingBytes.shift();
var outBuffer = Buffer.alloc(9);
outBuffer.writeUInt8(APF_CHANNEL_WINDOW_ADJUST, 0);
@ -284,35 +251,31 @@ function lme_heci()
this.HECI.write(outBuffer);
});
}
else
{
else {
//console.log('Unknown Recipient ID/' + rChannelId + ' for APF_CHANNEL_DATA');
}
break;
case APF_CHANNEL_CLOSE:
var rChannelId = chunk.readUInt32BE(1);
if (this.sockets[rChannelId] != undefined)
{
this.sockets[rChannelId].end();
if (this.sockets[rChannelId] != undefined) {
this.sockets[rChannelId].end();
var amtId = this.sockets[rChannelId].lme.amtId;
var buffer = Buffer.alloc(5);
delete this.sockets[rChannelId];
buffer.writeUInt8(APF_CHANNEL_CLOSE, 0);
buffer.writeUInt32BE(amtId, 1);
this.write(buffer);
}
else
{
else {
//console.log('Unknown Recipient ID/' + rChannelId + ' for APF_CHANNEL_CLOSE');
}
break;
}
});
});
this.bindDuplexStream = function (duplexStream, remoteFamily, localPort)
{
this.bindDuplexStream = function (duplexStream, remoteFamily, localPort) {
var socket = duplexStream;
//console.log('New [' + remoteFamily + '] Virtual Connection/' + socket.localPort);
socket.pendingBytes = [];
@ -327,19 +290,16 @@ function lme_heci()
buffer.writeUInt32BE(socket.lme.ourId);
buffer.writeUInt32BE(this.INITIAL_RXWINDOW_SIZE);
buffer.writeUInt32BE(0xFFFFFFFF);
for (var i = 0; i < 2; ++i)
{
if (remoteFamily == 'IPv6')
{
for (var i = 0; i < 2; ++i) {
if (remoteFamily == 'IPv6') {
buffer.writeUInt32BE(3);
buffer.write('::1');
}
else
{
else {
buffer.writeUInt32BE(9);
buffer.write('127.0.0.1');
}
buffer.writeUInt32BE(localPort);
}
this._LME.write(buffer.buffer);
@ -347,7 +307,7 @@ function lme_heci()
this._LME.sockets[socket.lme.ourId] = socket;
socket.pause();
};
this._LME.connect(heci.GUIDS.LME, { noPipeline: 0 });
}

View file

@ -79,7 +79,7 @@ function AMTScanner() {
server.bind({ address: '0.0.0.0', port: 0, exclusive: true });
var tmout = setTimeout(function cb() {
//console.log("Server closed");
//server.close();
server.close();
server.parent.emit('found', server.scanResults);
if (func != null) { func(server.scanResults); }
delete server;

View file

@ -123,7 +123,7 @@ function lme_heci()
this._LME = heci.create();
this._LME.LMS = this;
this._LME.on('error', function (e) { this.Parent.emit('error', e); });
this._LME.on('error', function (e) { this.LMS.emit('error', e); });
this._LME.on('connect', function ()
{
this.LMS.emit('connect');