Add 'car/' from commit 'eee0e8dc445691e600680f4abc77f2814b20b054'

git-subtree-dir: car
git-subtree-mainline: 1d29a5526c
git-subtree-split: eee0e8dc44

car/DecisionSystem/messages.py

@@ -0,0 +1,101 @@
+import umsgpack
+import uuid
+
+class Message:
+    _type = None
+    def __init__(self, sender = "", data = {}):
+        self._sender = sender
+        self._data = data
+
+    @property
+    def sender(self):
+        return self._sender
+
+    @sender.setter
+    def sender(self, value):
+        self._sender = value
+
+    @property
+    def data(self):
+        return self._data
+
+    # I love using keywords...
+    @property
+    def type(self):
+        return self._type
+
+    @type.setter
+    def type(self, value):
+        self._type = value
+
+    def serialise(self):
+        return umsgpack.packb({"type":self.type, "sender": self.sender, "data": self.data})
+
+# SHould make this static in Message class.
+def deserialise(obj):
+    """
+    Deserialises a given messagepack object into a Message.
+    """
+    m = Message()
+    unpacked = umsgpack.unpackb(obj)
+    print('Unpacked Object')
+    print(unpacked)
+    m.type = unpacked["type"]
+    m._sender = unpacked["sender"]
+    m._data = unpacked["data"]
+    return m
+
+class RequestLeader(Message):
+    _type = "RequestLeader"
+
+class ProposeMessage(Message):
+    _type = "Propose"
+
+class ElectionVote(Message):
+    _type = "Elect"
+
+class Commit(Message):
+    _type = "Commit"
+
+class ConnectSwarm(Message):
+    _type = "connect"
+
+class RequestVote(Message):
+    _type = "reqvote"
+
+class ConnectResponse(Message):
+    _type = "accepted"
+
+class VoterWill(Message):
+    _type = "disconnectedvoter"
+
+class CommanderWill(Message):
+    _type = "disconnectedcommander"
+
+class SubmitVote(Message):
+    _type = "vote"
+
+    def __init__(self, vote = None, sender = "", data = {}):
+        Message.__init__(self, sender, data)
+        self._data["vote"] = vote
+
+    @property
+    def vote(self):
+        return self._data["vote"]
+
+    @vote.setter
+    def vote(self, value):
+        self._data["vote"] = value
+
+class GetSwarmParticipants(Message):
+    _type = "listening"
+
+class VoteResult(Message):
+    _type = "voteresult"
+
+    def __init__(self, vote, sender='', data={}):
+        super().__init__(sender=sender, data=data)
+        self._data["vote"] = vote
+
+class ClientVoteRequest(Message):
+    _type = "clientvoterequest"