Migrate to new project structure.

libp2p/network/connection/raw_connection.py

@@ -0,0 +1,25 @@
+from .raw_connection_interface import IRawConnection
+
+
+class RawConnection(IRawConnection):
+
+    def __init__(self, ip, port, reader, writer, initiator):
+        # pylint: disable=too-many-arguments
+        self.conn_ip = ip
+        self.conn_port = port
+        self.reader = reader
+        self.writer = writer
+        self._next_id = 0 if initiator else 1
+        self.initiator = initiator
+
+    def close(self):
+        self.writer.close()
+
+    def next_stream_id(self):
+        """
+        Get next available stream id
+        :return: next available stream id for the connection
+        """
+        next_id = self._next_id
+        self._next_id += 2
+        return next_id

libp2p/network/connection/raw_connection_interface.py

@@ -0,0 +1,9 @@
+from abc import ABC
+
+# pylint: disable=too-few-public-methods
+
+
+class IRawConnection(ABC):
+    """
+    A Raw Connection provides a Reader and a Writer
+    """