Files
py-libp2p/libp2p/stream_muxer/abc.py
2024-02-19 16:05:58 -07:00

86 lines
1.8 KiB
Python

from abc import (
ABC,
abstractmethod,
)
import trio
from libp2p.io.abc import (
ReadWriteCloser,
)
from libp2p.peer.id import (
ID,
)
from libp2p.security.secure_conn_interface import (
ISecureConn,
)
class IMuxedConn(ABC):
"""
reference: https://github.com/libp2p/go-stream-muxer/blob/master/muxer.go
"""
peer_id: ID
event_started: trio.Event
@abstractmethod
def __init__(self, conn: ISecureConn, peer_id: ID) -> None:
"""
Create a new muxed connection.
:param conn: an instance of secured connection
for new muxed streams
:param peer_id: peer_id of peer the connection is to
"""
@property
@abstractmethod
def is_initiator(self) -> bool:
"""If this connection is the initiator."""
@abstractmethod
async def start(self) -> None:
"""Start the multiplexer."""
@abstractmethod
async def close(self) -> None:
"""Close connection."""
@property
@abstractmethod
def is_closed(self) -> bool:
"""
Check connection is fully closed.
:return: true if successful
"""
@abstractmethod
async def open_stream(self) -> "IMuxedStream":
"""
Create a new muxed_stream.
:return: a new ``IMuxedStream`` stream
"""
@abstractmethod
async def accept_stream(self) -> "IMuxedStream":
"""Accept a muxed stream opened by the other end."""
class IMuxedStream(ReadWriteCloser):
muxed_conn: IMuxedConn
@abstractmethod
async def reset(self) -> None:
"""Close both ends of the stream tells this remote side to hang up."""
@abstractmethod
def set_deadline(self, ttl: int) -> bool:
"""
Set deadline for muxed stream.
:return: a new stream
"""