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# *****************************************************************************
# * Copyright (c) 2011, 2013-2014 Wind River Systems, Inc. and others.
# * All rights reserved. This program and the accompanying materials
# * are made available under the terms of the Eclipse Public License v1.0
# * which accompanies this distribution, and is available at
# * http://www.eclipse.org/legal/epl-v10.html
# *
# * Contributors:
# * Wind River Systems - initial API and implementation
# *****************************************************************************
from .. import runcontrol
from ... import channel
from ...channel.Command import Command
class RunContext(runcontrol.RunControlContext):
def __init__(self, service, props):
super(RunContext, self).__init__(props)
self.service = service
def getISA(self, address, done):
service = self.service
done = service._makeCallback(done)
contextID = self.getID()
class GetISACommand(Command):
def __init__(self):
super(GetISACommand, self).__init__(service.channel, service,
"getISA",
(contextID, address))
def done(self, error, args):
isa = None
if not error:
assert len(args) == 2
error = self.toError(args[0])
isa = runcontrol.RunControlISA(args[1])
done.doneGetISA(self.token, error, isa)
return GetISACommand().token
def getState(self, done):
service = self.service
done = service._makeCallback(done)
contextID = self.getID()
class GetStateCommand(Command):
def __init__(self):
super(GetStateCommand, self).__init__(service.channel, service,
"getState", (contextID,))
def done(self, error, args):
susp = False
pc = None
reason = None
states = None
if not error:
assert len(args) == 5
error = self.toError(args[0])
susp = args[1]
if args[2] is not None:
pc = int(args[2])
reason = args[3]
states = args[4]
done.doneGetState(self.token, error, susp, pc, reason, states)
return GetStateCommand().token
def detach(self, done):
return self._command("detach", (self.getID(),), done)
def resume(self, mode, count, params, done):
if not params:
return self._command("resume", (self.getID(), mode, count), done)
else:
return self._command("resume", (self.getID(), mode, count, params),
done)
def suspend(self, done):
return self._command("suspend", (self.getID(),), done)
def terminate(self, done):
return self._command("terminate", (self.getID(),), done)
def _command(self, cmd, args, done):
service = self.service
done = service._makeCallback(done)
class RCCommand(Command):
def __init__(self, cmd, args):
super(RCCommand, self).__init__(service.channel, service, cmd,
args)
def done(self, error, args):
if not error:
assert len(args) == 1
error = self.toError(args[0])
done.doneCommand(self.token, error)
return RCCommand(cmd, args).token
class ChannelEventListener(channel.EventListener):
def __init__(self, service, listener):
self.service = service
self.listener = listener
def event(self, name, data):
try:
args = channel.fromJSONSequence(data)
if name == "contextSuspended":
assert len(args) == 4
self.listener.contextSuspended(args[0], args[1], args[2],
args[3])
elif name == "contextResumed":
assert len(args) == 1
self.listener.contextResumed(args[0])
elif name == "contextAdded":
assert len(args) == 1
self.listener.contextAdded(_toContextArray(self.service,
args[0]))
elif name == "contextChanged":
assert len(args) == 1
self.listener.contextChanged(_toContextArray(self.service,
args[0]))
elif name == "contextRemoved":
assert len(args) == 1
self.listener.contextRemoved(args[0])
elif name == "contextException":
assert len(args) == 2
self.listener.contextException(args[0], args[1])
elif name == "containerSuspended":
assert len(args) == 5
self.listener.containerSuspended(args[0], args[1], args[2],
args[3], args[4])
elif name == "containerResumed":
assert len(args) == 1
self.listener.containerResumed(args[0])
else:
raise IOError("RunControl service: unknown event: " + name)
except Exception as x:
import sys
x.tb = sys.exc_info()[2]
self.service.channel.terminate(x)
class RunControlProxy(runcontrol.RunControlService):
def __init__(self, channel):
self.channel = channel
self.listeners = {}
def addListener(self, listener):
l = ChannelEventListener(self, listener)
self.channel.addEventListener(self, l)
self.listeners[listener] = l
def removeListener(self, listener):
l = self.listeners.get(listener)
if l:
del self.listeners[listener]
self.channel.removeEventListener(self, l)
def getContext(self, context_id, done):
done = self._makeCallback(done)
service = self
class GetContextCommand(Command):
def __init__(self):
super(GetContextCommand, self).__init__(service.channel,
service, "getContext",
(context_id,))
def done(self, error, args):
ctx = None
if not error:
assert len(args) == 2
error = self.toError(args[0])
if args[1]:
ctx = RunContext(service, args[1])
done.doneGetContext(self.token, error, ctx)
return GetContextCommand().token
def getChildren(self, parent_context_id, done):
done = self._makeCallback(done)
service = self
class GetChildrenCommand(Command):
def __init__(self):
super(GetChildrenCommand, self).__init__(service.channel,
service,
"getChildren",
(parent_context_id,))
def done(self, error, args):
contexts = None
if not error:
assert len(args) == 2
error = self.toError(args[0])
contexts = args[1]
done.doneGetChildren(self.token, error, contexts)
return GetChildrenCommand().token
def _toContextArray(svc, o):
if o is None:
return None
ctx = []
for m in o:
ctx.append(RunContext(svc, m))
return ctx
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