allsockdown ( self )

Shut down all sockets brute force.

In this version only the command socket needs to be closed.

mksocks ( self )

Make the socket connections.

This version only opens the command socket. A new data socket is used for each image.

sendfatal ( self,  data )

Send fatal error.

This is sent over the command socket in this version

sendpacket (
        self,
        data,
        type="1",
        sendfixed=sendfixed,
        )

Send the data.

In this version the data is always prefixed with a length.

sendstatus ( self,  data )

Send image status.