Created
December 15, 2012 05:34
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var dgram = require('dgram') | |
var client = dgram.createSocket("udp4"); | |
var serverip = process.argv[2]; | |
var serverPort = 19132; | |
client.bind(19132); | |
client.on("message", function (msg, rinfo) | |
{ | |
console.log("Received packet " + msg + " from " + rinfo.ip); | |
}); | |
client.on("listening", function() | |
{ | |
setInterval(function(){ | |
var d=new Date(); | |
var t=d.getTime(); | |
client.send(t, 0, t.length, serverPort, serverip); | |
console.log("Sent packet " + t + " to " + serverip) | |
},1000); | |
}) |
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# From | |
# http://www.rubyinside.com/skype-style-firewall-busting-with-ruby-and-udp-399.html | |
require 'socket' | |
remote_host = ARGV.first | |
# Punches hole in firewall | |
punch = UDPSocket.new | |
punch.bind('', 6311) | |
punch.send('', 0, remote_host, 6311) | |
punch.close | |
# Bind for receiving | |
udp_in = UDPSocket.new | |
udp_in.bind('0.0.0.0', 6311) | |
puts "Binding to local port 6311" | |
loop do | |
# Receive data or time out after 5 seconds | |
if IO.select([udp_in], nil, nil, rand(4)) | |
data = udp_in.recvfrom(1024) | |
remote_port = data[1][1] | |
remote_addr = data[1][3] | |
puts "Response from #{remote_addr}:#{remote_port} is #{data[0]}" | |
else | |
puts "Sending a little something.." | |
udp_in.send(Time.now.to_s, 0, remote_host, 6311) | |
end | |
end |
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var dgram = require("dgram"); | |
var server = dgram.createSocket("udp4"); | |
server.on("message", function (msg, rinfo) { | |
console.log("server got: " + msg + " from " + | |
rinfo.address + ":" + rinfo.port); | |
}); | |
server.on("listening", function () { | |
var address = server.address(); | |
console.log("server listening " + | |
address.address + ":" + address.port); | |
}); | |
server.bind(43278); |
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