py-libp2p/libp2p/security/base_session.py
2019-08-24 22:38:26 +02:00

56 lines
1.5 KiB
Python

from typing import Optional
from libp2p.crypto.keys import PrivateKey, PublicKey
from libp2p.network.connection.raw_connection_interface import IRawConnection
from libp2p.peer.id import ID
from libp2p.security.secure_conn_interface import ISecureConn
class BaseSession(ISecureConn):
"""
``BaseSession`` is not fully instantiated from its abstract classes as it
is only meant to be used in clases that derive from it.
"""
local_peer: ID
local_private_key: PrivateKey
conn: IRawConnection
remote_peer_id: ID
remote_permanent_pubkey: PublicKey
def __init__(
self,
local_peer: ID,
local_private_key: PrivateKey,
conn: IRawConnection,
peer_id: Optional[ID] = None,
) -> None:
self.local_peer = local_peer
self.local_private_key = local_private_key
self.remote_peer_id = peer_id
self.remote_permanent_pubkey = None
self.conn = conn
self.initiator = self.conn.initiator
async def write(self, data: bytes) -> None:
await self.conn.write(data)
async def read(self, n: int = -1) -> bytes:
return await self.conn.read(n)
async def close(self) -> None:
await self.conn.close()
def get_local_peer(self) -> ID:
return self.local_peer
def get_local_private_key(self) -> PrivateKey:
return self.local_private_key
def get_remote_peer(self) -> ID:
return self.remote_peer_id
def get_remote_public_key(self) -> Optional[PublicKey]:
return self.remote_permanent_pubkey