Q3 Server Status Check

app.rb

require 'sinatra'
require 'socket'
require 'timeout'

# Configuration
set :bind, '0.0.0.0'
set :port, 4567

# Helper to check server status
def quake_server_status(host = 'localhost', port = 27960, timeout = 2)
  begin
    # Quake 3 server status query packet (getStatus)
    # This is a standard query packet for Quake 3 servers
    query_packet = "\xFF\xFF\xFF\xFFgetstatus\x00"

    # Create UDP socket
    socket = UDPSocket.new
    socket.bind('0.0.0.0', 0)  # Bind to any available local port
    socket.connect(host, port)

    # Set socket timeout
    socket.send(query_packet, 0)
    
    # Wait for response
    Timeout.timeout(timeout) do
      response = socket.recv(4096)
      # Check if we got a valid response
      return !response.empty? && response.length > 10
    end
  rescue Errno::ECONNREFUSED, Timeout::Error, SocketError => e
    # Connection refused or timeout
    false
  ensure
    socket.close if socket
  end
end

# Route for status
get '/' do
  # Allow specifying host and port via query parameters
  host = params['host'] || 'localhost'
  port = (params['port'] || 27960).to_i
  
  status = quake_server_status(host, port)
  erb :index, locals: { status: status, host: host, port: port }
end