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Code Issues Releases Wiki Activity

Fixed desktop & terminal recording.

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Ylian Saint-Hilaire 2020-03-11 00:17:10 -07:00
parent f6dfd435fa
commit 8e1fc021c7
7 changed files with 36 additions and 34 deletions
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42
mcrec.js
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@ -189,10 +189,10 @@ function writeIndex(state, func) {
extraMetadata.indexInterval = state.indexTime;
extraMetadata.indexStartTime = state.startTime;
extraMetadata.indexes = state.indexes;
recordingEntry(state.recFile, 4, 0, state.lastTimeStamp, JSON.stringify(extraMetadata), function (state) {
recordingEntry(state.recFile, 4, 0, state.lastTimeStamp, JSON.stringify(extraMetadata), function (state, len) {
recordingEntry(state.recFile, 3, 0, state.recFileSize - 32, 'MeshCentralMCNDX', function (state) {
func(state);
}, state);
}, state, state.recFileSize - 32 + len);
}, state, state.recFileSize - 32);
}
@ -202,50 +202,50 @@ function recordingEntry(fd, type, flags, time, data, func, tag, position) {
if (typeof data == 'string') {
// String write
var blockData = Buffer.from(data), header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data)
header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data, 3 = End, 4 = Extra Metadata)
header.writeInt16BE(flags, 2); // Flags (1 = Binary, 2 = User)
header.writeInt32BE(blockData.length, 4); // Size
header.writeIntBE(time, 10, 6); // Time
var block = Buffer.concat([header, blockData]);
if (typeof position == 'number') {
fs.write(fd, block, 0, block.length, position, function () { func(tag); });
fs.write(fd, block, 0, block.length, position, function () { func(tag, block.length); });
} else {
fs.write(fd, block, 0, block.length, function () { func(tag); });
fs.write(fd, block, 0, block.length, function () { func(tag, block.length); });
}
} else {
// Binary write
var header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data)
header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data, 3 = End, 4 = Extra Metadata)
header.writeInt16BE(flags | 1, 2); // Flags (1 = Binary, 2 = User)
header.writeInt32BE(data.length, 4); // Size
header.writeIntBE(time, 10, 6); // Time
var block = Buffer.concat([header, data]);
if (typeof position == 'number') {
fs.write(fd, block, 0, block.length, position, function () { func(tag); });
fs.write(fd, block, 0, block.length, position, function () { func(tag, block.length); });
} else {
fs.write(fd, block, 0, block.length, function () { func(tag); });
fs.write(fd, block, 0, block.length, function () { func(tag, block.length); });
}
}
} catch (ex) { console.log(ex); func(state, tag); }
} catch (ex) { console.log(ex); func(tag); }
}
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.readUInt16BE(0);
var flags = buf.readUInt16BE(2);
var size = buf.readUInt32BE(4);
var time = (buf.readUInt32BE(8) << 32) + buf.readUInt32BE(12);
var type = buf.readUInt16BE(0); // Type (1 = Header, 2 = Network Data)
var flags = buf.readUInt16BE(2); // Flags (1 = Binary, 2 = User)
var size = buf.readUInt32BE(4); // Size
var time = buf.readUIntBE(10, 6); // Time
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.readUInt16BE(0);
var xflags = buf2.readUInt16BE(2);
var xsize = buf2.readUInt32BE(4);
var xtime = (buf2.readUInt32BE(8) << 32) + buf.readUInt32BE(12);
var xtype = buf2.readUInt16BE(0); // Type (1 = Header, 2 = Network Data, 3 = End, 4 = Extra Metadata)
var xflags = buf2.readUInt16BE(2); // Flags (1 = Binary, 2 = User)
var xsize = buf2.readUInt32BE(4); // Size
var xtime = buf.readUIntBE(10, 6); // Time
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()));
@ -264,10 +264,10 @@ function readNextBlock(state, func) {
fs.read(state.recFile, buf, 0, 16, state.recFilePtr, function (err, bytesRead, buf) {
if (bytesRead != 16) { func(state, null, true); return; } // Error
try {
r.type = buf.readUInt16BE(0);
r.flags = buf.readUInt16BE(2);
r.size = buf.readUInt32BE(4);
r.time = buf.readUIntBE(8, 8);
r.type = buf.readUInt16BE(0); // Type (1 = Header, 2 = Network Data, 3 = End, 4 = Extra Metadata)
r.flags = buf.readUInt16BE(2); // Flags (1 = Binary, 2 = User)
r.size = buf.readUInt32BE(4); // Size
r.time = buf.readUIntBE(10, 6); // Time
r.date = new Date(r.time);
r.ptr = state.recFilePtr;
if ((state.recFilePtr + 16 + r.size) > state.recFileSize) { func(state, null, true); return; } // Error