ojz dZddlmZddlmZmZmZddlmZm Z gdZ edgdZ gdfded e d ee e e e fd e d e f d Z ddede de d e d e f dZded e fdZy)z/ sendmsg(2) and recvmsg(2) support for Python. ) namedtuple) CMSG_SPACE SCM_RIGHTSsocket)ListTuple)sendmsgrecvmsggetSocketFamilyrReceivedMessagedata ancillaryflagsrrrrreturnc*|j|g||S)a  Send a message on a socket. @param socket: The socket to send the message on. @param data: Bytes to write to the socket. @param ancillary: Extra data to send over the socket outside of the normal datagram or stream mechanism. By default no ancillary data is sent. @param flags: Flags to affect how the message is sent. See the C{MSG_} constants in the sendmsg(2) manual page. By default no flags are set. @return: The return value of the underlying syscall, if it succeeds. )r )rrrrs 8/usr/lib/python3/dist-packages/twisted/python/sendmsg.pyr r s$ >>4&)U 33maxSizecmsgSizecd|j|t||dd\}}}t|||S)a Receive a message on a socket. @param socket: The socket to receive the message on. @param maxSize: The maximum number of bytes to receive from the socket using the datagram or stream mechanism. The default maximum is 8192. @param cmsgSize: The maximum number of bytes to receive from the socket outside of the normal datagram or stream mechanism. The default maximum is 4096. @param flags: Flags to affect how the message is sent. See the C{MSG_} constants in the sendmsg(2) manual page. By default no flags are set. @return: A named 3-tuple of the bytes received using the datagram/stream mechanism, a L{list} of L{tuple}s giving ancillary received data, and flags as an L{int} describing the data received. rr )r rr )rrrrrrs rr r )s:0$^^GZ5I5QRSTUVD)U   GGrc|jS)ze Return the family of the given socket. @param socket: The socket to get the family of. )family)rs rr r Fs ==rN)i ir)__doc__ collectionsrrrrSockettypingrr__all__r bytesintr r r rrr#s  #;; A.0NO /1 4 4 4E#sE/*+4  4  4,MNH H H36HFIHH:Fsr