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read ints using Buffer methods

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This commit is contained in:
Artem Titoulenko 2021-09-07 17:08:57 -04:00
parent 202cd79955
commit 0df1295491
1 changed files with 6 additions and 6 deletions
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12
src/index.js
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@ -21,7 +21,7 @@ function logDataStream(data){
function TLV(buf) { function TLV(buf) {
this.type = buf.slice(0, 2); this.type = buf.slice(0, 2);
this.len = parseInt(buf.slice(2, 4).toString('hex'), 16); this.len = buf.slice(2, 4).readInt16BE(0)
this.payload = buf.slice(4, 4 + this.len); this.payload = buf.slice(4, 4 + this.len);
this.toString = () => `TLV(${this.type.toString('hex')}, ${this.len}, ${this.payload.toString('ascii')})`; this.toString = () => `TLV(${this.type.toString('hex')}, ${this.len}, ${this.payload.toString('ascii')})`;
} }
@ -30,7 +30,7 @@ function SNAC(buf) {
this.family = buf.slice(0,2).readInt16BE(0); this.family = buf.slice(0,2).readInt16BE(0);
this.service = buf.slice(2,4).readInt16BE(0); this.service = buf.slice(2,4).readInt16BE(0);
this.flags = buf.slice(4, 6); this.flags = buf.slice(4, 6);
this.requestID = parseInt(buf.slice(6, 10).toString('hex'), 16); this.requestID = buf.slice(6, 10).readInt32BE(0);
this.payload = new TLV(buf.slice(10)); this.payload = new TLV(buf.slice(10));
this.toString = () => `SNAC(${this.family.toString(16)},${this.service.toString(16)}) #${this.requestID}\n ${this.payload}`; this.toString = () => `SNAC(${this.family.toString(16)},${this.service.toString(16)}) #${this.requestID}\n ${this.payload}`;
} }
@ -38,8 +38,8 @@ function SNAC(buf) {
function FLAP(buf) { function FLAP(buf) {
assert.equal(buf[0], 0x2a, 'Expected 0x2a FLAP header'); assert.equal(buf[0], 0x2a, 'Expected 0x2a FLAP header');
this.channel = buf[1]; this.channel = buf[1];
this.datagramNumber = parseInt(buf.slice(2,4).toString('hex'), 16); this.datagramNumber = buf.slice(2,4).readInt16BE(0);
this.payloadLength = parseInt(buf.slice(4, 6).toString('hex'), 16); this.payloadLength = buf.slice(4, 6).readInt16BE(0);
this.payload = buf.slice(6, 6 + this.payloadLength); this.payload = buf.slice(6, 6 + this.payloadLength);
this.toString = () => `ch:${this.channel}, dn: ${this.datagramNumber}, len: ${this.payloadLength}, payload:\n ${ this.payload instanceof SNAC ? this.payload.toString() : logDataStream(this.payload).split('\n').join('\n ')}`; this.toString = () => `ch:${this.channel}, dn: ${this.datagramNumber}, len: ${this.payloadLength}, payload:\n ${ this.payload instanceof SNAC ? this.payload.toString() : logDataStream(this.payload).split('\n').join('\n ')}`;
@ -128,6 +128,6 @@ server.on('error', (err) => {
throw err; throw err;
}); });
server.listen(5190, '10.0.1.29', () => { server.listen(5190, () => {
console.log('OSCAR ready on 10.0.1.29:5190'); console.log('OSCAR ready on :5190');
}); });