py-libp2p/libp2p/network/network_interface.py
2020-01-26 23:55:31 +08:00

78 lines
2.1 KiB
Python

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):
...