speed server example is not working, and crashing #272

const pcap_session = pcap.createSession(process.argv[2], {
 filter: process.argv[3],
})
// Print all devices, currently listening device prefixed with an asterisk
console.log("All devices:")
console.log(pcap_session)
pcap_session.findalldevs().forEach(function (dev) {
 if (pcap_session.device_name === dev.name) {
 console.log("* ");
 }
 console.log(dev.name + " ");
 if (dev.addresses.length > 0) {
 dev.addresses.forEach(function (address) {
 console.log(address.addr + "/" + address.netmask);
 });
 console.log("\n");
 } else {
 console.log("no address\n");
 }
});

tcp_tracker.on("http request", function (session, http) {
 var matches = /send_file\?id=(\d+)/.exec(http.request.url)
 if (matches && matches[1]) {
 session.track_id = matches[1]
 console.log("Added tracking for " + matches[1])
 } else {
 console.log("Didn't add tracking for " + http.request.url)
 }
})