js/core/net/udp.js
function receive(intf, srcIP, destIP, u8, headerOffset) {
  const srcPort = udpHeader.getSrcPort(u8, headerOffset);
  const destPort = udpHeader.getDestPort(u8, headerOffset);
  const dataLength = udpHeader.getDataLength(u8, headerOffset) - udpHeader.headerLength;
  const dataOffset = headerOffset + udpHeader.headerLength;
  debug('recv UDP over IP4', srcPort, destPort, dataLength);

  const socket = UDPSocket.lookupReceive(destPort);
  if (!socket) {
    return;
  }

  const u8data = u8.subarray(dataOffset);
  if (socket.onmessage) setImmediate(() => socket.onmessage(srcIP, srcPort, u8data));
}
function receive(intf, srcIP, destIP, u8, headerOffset) {
  const srcPort = udpHeader.getSrcPort(u8, headerOffset);
  const destPort = udpHeader.getDestPort(u8, headerOffset);
  const dataLength = udpHeader.getDataLength(u8, headerOffset) - udpHeader.headerLength;
  const dataOffset = headerOffset + udpHeader.headerLength;
  debug('recv UDP over IP4', srcPort, destPort, dataLength);

  const socket = UDPSocket.lookupReceive(destPort);
  if (!socket) {
    return;
  }

  const u8data = u8.subarray(dataOffset);
  if (socket.onmessage) setImmediate(() => socket.onmessage(srcIP, srcPort, u8data));
}
function receive ( intf , srcIP , destIP , u8 , headerOffset ) { const srcPort = udpHeader . getSrcPort ( u8 , headerOffset ) ; const destPort = udpHeader . getDestPort ( u8 , headerOffset ) ; const dataLength = udpHeader . getDataLength ( u8 , headerOffset ) - udpHeader . headerLength ; const dataOffset = headerOffset + udpHeader . headerLength ; debug ( 'recv UDP over IP4' , srcPort , destPort , dataLength ) ; const socket = UDPSocket . lookupReceive ( destPort ) ; if ( ! socket ) { return ; } const u8data = u8 . subarray ( dataOffset ) ; if ( socket . onmessage ) setImmediate ( ( ) => socket . onmessage ( srcIP , srcPort , u8data ) ) ; }
const portUtils = require('./port-utils'); const IP4Address = require('./ip4-address'); const interfaces = require('./interfaces'); const netError = require('./net-error');
const portUtils = require ( . / port - utils ) ; const IP4Address = require ( . / ip4 - address ) ; const interfaces = require ( . / interfaces ) ; const netError = require ( . / net - error ) ;