'Called when a client is trying to resume an offered file via DCC send.
It should be either replied to with a DCC ACCEPT or ignored (default).
@param user: The hostmask of the user who wants to resume the transfer
of a file previously offered via DCC send.
@type user: L{bytes}
@param file: The name of the file to resume the transfer of.
@type file: L{bytes}
@param port: An integer representing the port of the requesting user.
@type port: L{int}
@param resumePos: The position in the file from where the transfer
should resume.
@type resumePos: L{int}'

def dccDoResume(self, user, file, port, resumePos):

    pass
