local_address

        # BasicSocket.local_address

(from ruby core)
---
    bsock.local_address => addrinfo

---

Returns an Addrinfo object for local address obtained by getsockname.

Note that addrinfo.protocol is filled by 0.

    TCPSocket.open("www.ruby-lang.org", 80) {|s|
      p s.local_address #=> #<Addrinfo: 192.168.0.129:36873 TCP>
    }

    TCPServer.open("127.0.0.1", 1512) {|serv|
      p serv.local_address #=> #<Addrinfo: 127.0.0.1:1512 TCP>
    }