Method readline

mininet/node.py:259–268

Buffered readline from node, potentially blocking. returns: line (minus newline) or None

( self )

        return result

    def readline( self ):
        """Buffered readline from node, potentially blocking.
           returns: line (minus newline) or None"""
        self.readbuf += self.read( 1024 )
        if '\n' not in self.readbuf:
            return None
        pos = self.readbuf.find( '\n' )
        line = self.readbuf[ 0: pos ]
        self.readbuf = self.readbuf[ pos + 1: ]
        return line

    def write( self, data ):
        """Write data to node.