Add messages module containing all possible message types

DecisionSystem/messages.py

@@ -0,0 +1,62 @@
+import umsgpack
+
+class Message:
+    def __init__(self, sender = None, data = None):
+        self._sender = sender
+        self._data = data
+
+    @property
+    def sender(self):
+        return self._sender
+
+    @property
+    def data(self):
+        return self._data
+
+    @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})
+
+    def deserialise(self, obj):
+        unpacked = umsgpack.unpackb(obj)
+        self.type = unpacked["type"]
+        self.sender = unpacked["sender"]
+        self.data = unpacked["data"]
+        return self
+
+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"