twisted.pair.tuntap._IInputOutputSystem

interface documentation

class _IInputOutputSystem(Interface): (source)

An interface for performing some basic kinds of I/O (particularly that I/O which might be useful for twisted.pair.tuntap-using code).

Method	`close`	No summary
Method	`ioctl`	No summary
Method	`open`	No summary
Method	`read`	No summary
Method	`receiveUDP`	Return a socket which can be used to receive datagrams sent to the given address.
Method	`sendUDP`	Send a datagram to a certain address.
Method	`write`	No summary
Attribute	`O_CLOEXEC`	No summary
Attribute	`O_NONBLOCK`	No summary
Attribute	`O_RDWR`	No summary

See Also
`os.close`

def ioctl(fd, opt, arg=None, mutate_flag=None): (source) ¶

See Also
`fcntl.ioctl`

def open(filename, flag, mode=511): (source) ¶

See Also
`os.open`

See Also
`os.read`

def receiveUDP(fileno, host, port): (source) ¶

Return a socket which can be used to receive datagrams sent to the given address.

Parameters
fileno:`int`	A file descriptor representing a tunnel device which the datagram was either sent via or will be received via.
host:`bytes`	The IPv4 address at which the datagram will be received.
port:`int`	The UDP port number at which the datagram will be received.

Returns
A `socket.socket` which can be used to receive the specified datagram.

def sendUDP(datagram, address): (source) ¶

Send a datagram to a certain address.

Parameters
datagram:`bytes`	The payload of a UDP datagram to send.
address:`tuple` of (`bytes`, `int`)	The destination to which to send the datagram.

Returns
`tuple` of (`bytes`, `int`)	The local address from which the datagram was sent.

See Also
`os.write`

See Also
`os.O_CLOEXEC`

See Also
`os.O_NONBLOCK`

See Also
`os.O_RDWR`