EM代理 EventMachine代理DSL,用于在Ruby中编写高性能的透明/拦截代理。 EngineYard教程: 入门 $> gem install em-proxy $> em-proxy Usage: em-proxy [options] -l, --listen [PORT] Port to listen on -d, --duplex [host:port, ...] List of backends to duplex data to -r, --relay [hostname:port] Relay endpoint: