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Diffstat (limited to 'python/src/tcf/services/remote/RegistersProxy.py')
-rw-r--r--python/src/tcf/services/remote/RegistersProxy.py170
1 files changed, 170 insertions, 0 deletions
diff --git a/python/src/tcf/services/remote/RegistersProxy.py b/python/src/tcf/services/remote/RegistersProxy.py
new file mode 100644
index 000000000..d75605cd9
--- /dev/null
+++ b/python/src/tcf/services/remote/RegistersProxy.py
@@ -0,0 +1,170 @@
+# *******************************************************************************
+# * Copyright (c) 2011 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
+# *******************************************************************************
+
+import exceptions
+from tcf import channel
+from tcf.services import registers
+from tcf.channel import toByteArray
+from tcf.channel.Command import Command
+
+class Context(registers.RegistersContext):
+ def __init__(self, service, props):
+ super(Context, self).__init__(props)
+ self.service = service
+
+ def getNamedValues(self):
+ return _toValuesArray(self._props.get(registers.PROP_VALUES))
+
+ def get(self, done):
+ service = self.service
+ id = self.getID()
+ class GetCommand(Command):
+ def __init__(self):
+ super(GetCommand, self).__init__(service.channel, service, "get", (id,))
+ def done(self, error, args):
+ val = None
+ if not error:
+ assert len(args) == 2
+ error = self.toError(args[0])
+ val = toByteArray(args[1])
+ done.doneGet(self.token, error, val)
+ return GetCommand().token
+
+ def set(self, value, done):
+ service = self.service
+ id = self.getID()
+ binary = bytearray(value)
+ class SetCommand(Command):
+ def __init__(self):
+ super(SetCommand, self).__init__(service.channel, service, "set", (id, binary))
+ def done(self, error, args):
+ if not error:
+ assert len(args) == 1
+ error = self.toError(args[0])
+ done.doneSet(self.token, error)
+ return SetCommand().token
+
+ def search(self, filter, done):
+ service = self.service
+ id = self.getID()
+ class SearchCommand(Command):
+ def __init__(self):
+ super(SearchCommand, self).__init__(service.channel, service, "search", (id, filter))
+ def done(self, error, args):
+ paths = None
+ if not error:
+ assert len(args) == 2
+ error = self.toError(args[0])
+ paths = args[1]
+ done.doneSearch(self.token, error, paths)
+ return SearchCommand().token
+
+class RegistersProxy(registers.RegistersService):
+ def __init__(self, channel):
+ self.channel = channel
+ self.listeners = {}
+
+ def getChildren(self, parent_context_id, 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 getContext(self, id, done):
+ service = self
+ class GetContextCommand(Command):
+ def __init__(self):
+ super(GetContextCommand, self).__init__(service.channel, service, "getContext", (id,))
+ def done(self, error, args):
+ ctx = None
+ if not error:
+ assert len(args) == 2
+ error = self.toError(args[0])
+ if args[1]: ctx = Context(service, args[1])
+ done.doneGetContext(self.token, error, ctx)
+ return GetContextCommand().token
+
+ def getm(self, locs, done):
+ service = self
+ class GetMCommand(Command):
+ def __init__(self):
+ super(GetMCommand, self).__init__(service.channel, service, "getm", (locs,))
+ def done(self, error, args):
+ val = None
+ if not error:
+ assert len(args) == 2
+ error = self.toError(args[0])
+ val = toByteArray(args[1])
+ done.doneGet(self.token, error, val)
+ return GetMCommand().token
+
+ def setm(self, locs, value, done):
+ service = self
+ binary = bytearray(value)
+ class SetMCommand(Command):
+ def __init__(self):
+ super(SetMCommand, self).__init__(service.channel, service, "setm", (locs, binary))
+ def done(self, error, args):
+ if not error:
+ assert len(args) == 1
+ error = self.toError(args[0])
+ done.doneSet(self.token, error)
+ return SetMCommand().token
+
+ 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)
+
+class NamedValueInfo(registers.NamedValue):
+ def __init__(self, m):
+ desc = m.get("Description")
+ name = m.get("Name")
+ value = toByteArray(m.get("Value"))
+ super(NamedValueInfo, self).__init__(value, name, desc)
+
+def _toValuesArray(o):
+ if o is None: return None
+ arr = []
+ for m in o:
+ arr.append(NamedValueInfo(m))
+ return arr
+
+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 == "contextChanged":
+ self.listener.contextChanged()
+ elif name == "registerChanged":
+ assert len(args) == 1
+ self.listener.registerChanged(args[0])
+ else:
+ raise IOError("Registers service: unknown event: " + name);
+ except exceptions.Exception as x:
+ self.service.channel.terminate(x)

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