from abc import ABC, abstractmethod from typing import TYPE_CHECKING, Dict, Sequence from async_service import ServiceAPI from multiaddr import Multiaddr from libp2p.network.connection.net_connection_interface import INetConn from libp2p.peer.id import ID from libp2p.peer.peerstore_interface import IPeerStore from libp2p.transport.listener_interface import IListener from libp2p.typing import StreamHandlerFn from .stream.net_stream_interface import INetStream if TYPE_CHECKING: from .notifee_interface import INotifee # noqa: F401 class INetwork(ABC): peerstore: IPeerStore connections: Dict[ID, INetConn] listeners: Dict[str, IListener] @abstractmethod def get_peer_id(self) -> ID: """ :return: the peer id """ @abstractmethod async def dial_peer(self, peer_id: ID) -> INetConn: """ dial_peer try to create a connection to peer_id. :param peer_id: peer if we want to dial :raises SwarmException: raised when an error occurs :return: muxed connection """ @abstractmethod async def new_stream(self, peer_id: ID) -> INetStream: """ :param peer_id: peer_id of destination :param protocol_ids: available protocol ids to use for stream :return: net stream instance """ @abstractmethod def set_stream_handler(self, stream_handler: StreamHandlerFn) -> None: """Set the stream handler for all incoming streams.""" @abstractmethod async def listen(self, *multiaddrs: Sequence[Multiaddr]) -> bool: """ :param multiaddrs: one or many multiaddrs to start listening on :return: True if at least one success """ @abstractmethod def register_notifee(self, notifee: "INotifee") -> None: """ :param notifee: object implementing Notifee interface :return: true if notifee registered successfully, false otherwise """ @abstractmethod async def close(self) -> None: pass @abstractmethod async def close_peer(self, peer_id: ID) -> None: pass class INetworkService(INetwork, ServiceAPI): pass