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Code Issues Releases Wiki Activity

Many fixes with desktop recording indexor and player.

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This commit is contained in:
Ylian Saint-Hilaire 2020-03-03 16:22:50 -08:00
parent 25a0af7383
commit 421a6349d5
4 changed files with 49 additions and 44 deletions
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44
mcrec.js
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@ -113,13 +113,13 @@ function processBlock(state, block, err) {
// MeshCentral Remote Desktop
// TODO
if (block.data.length >= 4) {
var command = block.data.readInt16BE(0);
var cmdsize = block.data.readInt16BE(2);
var command = block.data.readUInt16BE(0);
var cmdsize = block.data.readUInt16BE(2);
if ((command == 27) && (cmdsize == 8)) {
// Jumbo packet
if (block.data.length >= 12) {
command = block.data.readInt16BE(8);
cmdsize = block.data.readInt32BE(4);
command = block.data.readUInt16BE(8);
cmdsize = block.data.readUInt32BE(4);
if (block.data.length == (cmdsize + 8)) {
block.data = block.data.slice(8, block.data.length);
} else {
@ -131,8 +131,8 @@ function processBlock(state, block, err) {
switch (command) {
case 3: // Tile
var x = block.data.readInt16BE(4);
var y = block.data.readInt16BE(6);
var x = block.data.readUInt16BE(4);
var y = block.data.readUInt16BE(6);
var dimensions = require('image-size')(block.data.slice(8));
//log("Tile", x, y, dimensions.width, dimensions.height, block.ptr);
//console.log(elapseSeconds);
@ -148,13 +148,13 @@ function processBlock(state, block, err) {
break;
case 4: // Tile copy
var x = block.data.readInt16BE(4);
var y = block.data.readInt16BE(6);
var x = block.data.readUInt16BE(4);
var y = block.data.readUInt16BE(6);
//log("TileCopy", x, y);
break;
case 7: // Screen Size, clear the screen state and computer the tile count
state.width = block.data.readInt16BE(4);
state.height = block.data.readInt16BE(6);
state.width = block.data.readUInt16BE(4);
state.height = block.data.readUInt16BE(6);
state.swidth = state.width / 16;
state.sheight = state.height / 16;
if (Math.floor(state.swidth) != state.swidth) { state.swidth = Math.floor(state.swidth) + 1; }
@ -232,20 +232,20 @@ function recordingEntry(fd, type, flags, time, data, func, tag, position) {
function readLastBlock(state, func) {
var buf = Buffer.alloc(32);
fs.read(state.recFile, buf, 0, 32, state.recFileSize - 32, function (err, bytesRead, buf) {
var type = buf.readInt16BE(0);
var flags = buf.readInt16BE(2);
var size = buf.readInt32BE(4);
var time = (buf.readInt32BE(8) << 32) + buf.readInt32BE(12);
var type = buf.readUInt16BE(0);
var flags = buf.readUInt16BE(2);
var size = buf.readUInt32BE(4);
var time = (buf.readUInt32BE(8) << 32) + buf.readUInt32BE(12);
var magic = buf.toString('utf8', 16, 32);
if ((type == 3) && (size == 16) && (magic == 'MeshCentralMCNDX')) {
// Extra metadata present, lets read it.
extraMetadata = null;
var buf2 = Buffer.alloc(16);
fs.read(state.recFile, buf2, 0, 16, time, function (err, bytesRead, buf2) {
var xtype = buf2.readInt16BE(0);
var xflags = buf2.readInt16BE(2);
var xsize = buf2.readInt32BE(4);
var xtime = (buf2.readInt32BE(8) << 32) + buf.readInt32BE(12);
var xtype = buf2.readUInt16BE(0);
var xflags = buf2.readUInt16BE(2);
var xsize = buf2.readUInt32BE(4);
var xtime = (buf2.readUInt32BE(8) << 32) + buf.readUInt32BE(12);
var buf3 = Buffer.alloc(xsize);
fs.read(state.recFile, buf3, 0, xsize, time + 16, function (err, bytesRead, buf3) {
func(state, true, xtime, JSON.parse(buf3.toString()));
@ -263,10 +263,10 @@ function readNextBlock(state, func) {
var r = {}, buf = Buffer.alloc(16);
fs.read(state.recFile, buf, 0, 16, state.recFilePtr, function (err, bytesRead, buf) {
if (bytesRead != 16) { func(state, null, true); return; } // Error
r.type = buf.readInt16BE(0);
r.flags = buf.readInt16BE(2);
r.size = buf.readInt32BE(4);
r.time = buf.readIntBE(8, 8);
r.type = buf.readUInt16BE(0);
r.flags = buf.readUInt16BE(2);
r.size = buf.readUInt32BE(4);
r.time = buf.readUIntBE(8, 8);
r.date = new Date(r.time);
r.ptr = state.recFilePtr;
if ((state.recFilePtr + 16 + r.size) > state.recFileSize) { func(state, null, true); return; } // Error