[+] mvp1

basic working mvp

src/transport/__init__.py

@@ -0,0 +1 @@
+from .tcp import TCP

src/transport/tcp/__init__.py

@@ -0,0 +1,19 @@
+import asyncio
+from .handler import handle
+
+
+class TCP:
+    def __init__(self, addr, port, session):
+        self.addr = addr
+        self.port = port
+        self.session = session
+
+    async def run(self):
+        server = await asyncio.start_server(
+            lambda r, w: handle(r, w, self.session),
+            self.addr,
+            self.port,
+        )
+
+        async with server:
+            await server.serve_forever()

src/transport/tcp/connection.py

@@ -0,0 +1,15 @@
+import json
+
+class Connection:
+    def __init__(self, reader, writer):
+        self.reader = reader
+        self.writer = writer
+
+    async def send(self, packet):
+        data = (json.dumps(packet) + "\n").encode()
+        self.writer.write(data)
+        await self.writer.drain()
+
+    async def close(self):
+        self.writer.close()
+        await self.writer.wait_closed()

src/transport/tcp/handler.py

@@ -0,0 +1,19 @@
+from .connection import Connection
+import json
+
+async def handle(reader, writer, session):
+    connection = Connection(reader, writer)
+
+    uid = await session.new(connection)
+
+    try:
+        while True:
+            raw = await reader.readline()
+            if not raw : break
+
+            packet = json.loads(raw)
+            await session.feed(uid, packet)
+
+    finally:
+        await session.close(uid)
+