# proxy.rb.erb
require 'em-proxy'

# @emproxy_port - the port we want this process receiving traffic on (ex: 8080)
# @nginx_port   - the port that normally processes traffic that we are now duplexing (ex: 81)
# @proxy_ip     - the IP address we are duplexing to (ex: 10.10.10.10)
# @proxy_port   - the port that we are duplexing to (ex: 80)

Proxy.start(:host => "0.0.0.0", :port => <%= @emproxy_port %>) do |conn|
  conn.server :self, :host => '127.0.0.1', :port => <%= @nginx_port %>
  conn.server :proxy, :host => '<%= @proxy_ip %>', :port => <%= @proxy_port %>
  conn.on_data do |data|
    data
  end
  conn.on_response do |server, resp|
    resp if server == :self
  end
end