socket_getsockname Queries the local side of the given socket which may either result in host/port or in a UNIX filesystem path, dependent on its type. boolsocket_getsockname resourcesocket string&addr int&port &warn.experimental.func; If the given socket is of type AF_INET, socket_getsockname will return the local IP address in dotted-quad notation (e.g. 127.0.0.1) in the address parameter and, if the optional port parameter is present, also the associated port. If the given socket is of type AF_UNIX, socket_getsockname will return the UNIX filesystem path (e.g. /var/run/daemon.sock) in the address parameter. &return.success; socket_getsockname may also return &false; if the socket type is not any of AF_INET or AF_UNIX, in which case the last socket error code is not updated. See also socket_getpeername, socket_last_error and socket_strerror.