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Work in terms of the IRawConnection abstraction

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Alex Stokes 2019-08-24 22:52:09 +02:00
parent eb5ef39399
commit a363ba97d1
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1 changed files with 5 additions and 13 deletions
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18
libp2p/security/secio/transport.py
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@ -1,5 +1,5 @@
from dataclasses import dataclass
from typing import Optional, Tuple, cast
from typing import Optional, Tuple
import multihash
@ -16,7 +16,6 @@ from libp2p.crypto.keys import PrivateKey, PublicKey
from libp2p.crypto.serialization import deserialize_public_key
from libp2p.io.msgio import encode as encode_message
from libp2p.io.msgio import read_next_message
from libp2p.network.connection.raw_connection import RawConnection
from libp2p.network.connection.raw_connection_interface import IRawConnection
from libp2p.peer.id import ID as PeerID
from libp2p.security.base_session import BaseSession
@ -72,8 +71,7 @@ class SecureSession(BaseSession):
async def _read_msg(self) -> bytes:
# TODO do we need to serialize reads?
# TODO do not expose reader
msg = await read_next_message(cast(RawConnection, self.conn).reader)
msg = await read_next_message(self.conn)
return self.remote_encrypter.decrypt_if_valid(msg)
async def write(self, data: bytes) -> None:
@ -84,9 +82,7 @@ class SecureSession(BaseSession):
encrypted_data = self.local_encrypter.encrypt(data)
tag = self.local_encrypter.authenticate(encrypted_data)
msg = encode_message(encrypted_data + tag)
# TODO clean up how we write messages
await cast(RawConnection, self.conn).writer.write(msg)
await cast(RawConnection, self.conn).writer.drain()
await self.conn.write(msg)
@dataclass(frozen=True)
@ -160,12 +156,8 @@ class SessionParameters:
async def _response_to_msg(conn: IRawConnection, msg: bytes) -> bytes:
# TODO clean up ``IRawConnection`` so that we don't have to break
# the abstraction
await cast(RawConnection, conn).writer.write(encode_message(msg))
await cast(RawConnection, conn).writer.drain()
return await read_next_message(cast(RawConnection, conn).reader)
await conn.write(encode_message(msg))
return await read_next_message(conn)
def _mk_multihash_sha256(data: bytes) -> bytes: