Migrate to new project structure.

libp2p/host/host_interface.py

@@ -0,0 +1,60 @@
+from abc import ABC, abstractmethod
+
+
+class IHost(ABC):
+
+    @abstractmethod
+    def get_id(self):
+        """
+        :return: peer_id of host
+        """
+
+    @abstractmethod
+    def get_network(self):
+        """
+        :return: network instance of host
+        """
+
+    @abstractmethod
+    def get_mux(self):
+        """
+        :return: mux instance of host
+        """
+
+    @abstractmethod
+    def get_addrs(self):
+        """
+        :return: all the multiaddr addresses this host is listening too
+        """
+
+    @abstractmethod
+    def set_stream_handler(self, protocol_id, stream_handler):
+        """
+        set stream handler for host
+        :param protocol_id: protocol id used on stream
+        :param stream_handler: a stream handler function
+        :return: true if successful
+        """
+
+    # protocol_id can be a list of protocol_ids
+    # stream will decide which protocol_id to run on
+    @abstractmethod
+    def new_stream(self, peer_id, protocol_ids):
+        """
+        :param peer_id: peer_id that host is connecting
+        :param protocol_ids: protocol ids that stream can run on
+        :return: true if successful
+        """
+
+    @abstractmethod
+    def connect(self, peer_info):
+        """
+        connect ensures there is a connection between this host and the peer with
+        given peer_info.peer_id. connect will absorb the addresses in peer_info into its internal
+        peerstore. If there is not an active connection, connect will issue a
+        dial, and block until a connection is open, or an error is
+        returned.
+
+        :param peer_info: peer_info of the host we want to connect to
+        :type peer_info: peer.peerinfo.PeerInfo
+        """