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#############################################################
## xend/manager.py -- Management-interface functions for Xend
## Copyright (c) 2004, K A Fraser (University of Cambridge)
#############################################################
import xend.console, xend.main, xend.utils
##
## new_control_interface:
## Create a new control interface with the specified domain 'dom'.
## The console port may also be specified; otehrwise a suitable port is
## automatically allocated.
##
def new_control_interface(dom, console_port=-1):
# Allocate an event channel. Clear pending notifications.
port = xend.utils.port(dom)
xend.main.notifier.clear(port.local_port, xend.main.notifier.NORMAL)
xend.main.notifier.clear(port.local_port, xend.main.notifier.DISCONNECT)
# If necessary, compute a suitable TCP port for console I/O.
if console_port < 0:
console_port = 9600 + port.local_port
# Create a listenign console interface.
con_if = xend.console.interface(console_port, port.local_port)
con_if.listen()
# Add control state to the master list.
xend.main.control_list[port.local_port] = \
(port, xend.utils.buffer(), xend.utils.buffer(), con_if)
# Construct the successful response to be returned to the requester.
response = { 'success': True }
response['local_port'] = port.local_port
response['remote_port'] = port.remote_port
response['console_port'] = console_port
return response
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