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Diffstat (limited to 'python/src/tcf/services/remote/MemoryMapProxy.py')
-rw-r--r--python/src/tcf/services/remote/MemoryMapProxy.py84
1 files changed, 84 insertions, 0 deletions
diff --git a/python/src/tcf/services/remote/MemoryMapProxy.py b/python/src/tcf/services/remote/MemoryMapProxy.py
new file mode 100644
index 000000000..9e37feb9b
--- /dev/null
+++ b/python/src/tcf/services/remote/MemoryMapProxy.py
@@ -0,0 +1,84 @@
+# *******************************************************************************
+# * 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
+# *******************************************************************************
+
+from tcf import channel
+from tcf.services import memorymap
+from tcf.channel.Command import Command
+
+class MemoryMapProxy(memorymap.MemoryMapService):
+ def __init__(self, channel):
+ self.channel = channel
+ self.listeners = {}
+
+ def get(self, id, done):
+ done = self._makeCallback(done)
+ service = self
+ class GetCommand(Command):
+ def __init__(self):
+ super(GetCommand, self).__init__(service.channel, service, "get", (id,))
+ def done(self, error, args):
+ map = None
+ if not error:
+ assert len(args) == 2
+ error = self.toError(args[0])
+ if args[1]: map = _toMemoryMap(args[1])
+ done.doneGet(self.token, error, map)
+ return GetCommand().token
+
+ def set(self, id, map, done):
+ done = self._makeCallback(done)
+ service = self
+ class SetCommand(Command):
+ def __init__(self):
+ super(SetCommand, self).__init__(service.channel, service, "set", (id, map))
+ 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 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 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 == "changed":
+ assert len(args) == 1
+ self.listener.changed(args[0])
+ else:
+ raise IOError("MemoryMap service: unknown event: " + name);
+ except Exception as x:
+ self.service.channel.terminate(x)
+
+
+def _toMemoryMap(o):
+ if o is None: return None
+ map = []
+ for x in o: map.append(_toMemoryRegion(x))
+ return map
+
+def _toMemoryRegion(o):
+ if o is None: return None
+ return memorymap.MemoryRegion(o)

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