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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Interfaces for iocpreactor
"""
from zope.interface import Interface
class IReadHandle(Interface):
def readFromHandle(bufflist, evt):
"""
Read into the given buffers from this handle.
@param buff: the buffers to read into
@type buff: list of objects implementing the read/write buffer protocol
@param evt: an IOCP Event object
@return: tuple (return code, number of bytes read)
"""
class IWriteHandle(Interface):
def writeToHandle(buff, evt):
"""
Write the given buffer to this handle.
@param buff: the buffer to write
@type buff: any object implementing the buffer protocol
@param evt: an IOCP Event object
@return: tuple (return code, number of bytes written)
"""
class IReadWriteHandle(IReadHandle, IWriteHandle):
pass
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