first implementation of protobuf

restructure in client server model
loads of work still missing

ledd/client.py

@@ -0,0 +1,62 @@
+import asyncio
+import socket
+
+from ledd import VERSION
+from ledd.protobuf import client_pb2
+from ledd.protobuf.ledd_pb2 import WrapperMsg, LedD
+
+
+class LedDClientProtocol(asyncio.Protocol):
+    def connection_made(self, transport):
+        print("Connected to client!")
+
+    def data_received(self, data):
+        print('Data received: {!r}'.format(data.decode()))
+
+    def connection_lost(self, exc):
+        print('The client closed the connection')
+
+
+class Client:
+    def __init__(self):
+        super().__init__()
+
+        self.msg = client_pb2.Client()
+        self.proto = None
+        self.transport = None
+
+    def init_from_db(self, row):
+        self.msg.name = row['name']
+        self.msg.addr = row['addr']
+        self.msg.id = row['id']
+        self.msg.options = row['options']
+        self.msg.resolution = row['reso']
+        self.msg.port = row['port']
+
+    def init_from_msg(self, msg):
+        client = client_pb2.Client()
+        self.msg = client.ParseFromString(msg)
+
+    def connect(self):
+        ledd = LedD()
+        ledd.version = VERSION
+        ledd.hostname = socket.gethostname()
+
+        wrapper = WrapperMsg()
+        wrapper.type = WrapperMsg.Type.DISCOVER
+        wrapper.ledd = ledd
+
+        loop = asyncio.get_event_loop()
+        coro = loop.create_connection(LedDClientProtocol, self.msg.addr, self.msg.port)
+        loop.run_until_complete(coro)
+        self.transport = coro[0]
+        self.proto = coro[1]
+
+        self.send_to_client(wrapper.SerializeToString())
+
+    def is_connected(self):
+        return not self.transport.is_closing()
+
+    def send_to_client(self, data):
+        if self.is_connected() and data:
+            self.transport.write(data)