Files
py-libp2p/libp2p/identity/identify/protocol.py
Khwahish Patel d7eab27564 refactored and moved all interfaces to abc.py (#504)
* refactored : host_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored : network_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored : notifee_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored : net_connection_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored: raw_connection_interface, secure_conn_interface and stream_muxer abc.py

* refactored: addrbook_interface

* refactored :peerdata_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored :peermetadata_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored :multiselect_client_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored :multiselect_communicator_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored :multiselect_muxer_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored :interfaces

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored :security_transport_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* refactored :listener_interface

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* moved all interfaces and typing files

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>

* fixed documentation and moved pubsub abc.py

Co-authored-by: Khwahish Patel <khwahish.p1@ahduni.edu.in>

* added exclude-members in custom_types docs

* added : newsfragment for moving all interfaces to libp2p.abc

---------

Co-authored-by: mystical-prog <jdgt.vd.0405@gmail.com>
Co-authored-by: Mystical <125946525+mystical-prog@users.noreply.github.com>
2025-02-21 16:01:45 -07:00

67 lines
1.7 KiB
Python

import logging
from multiaddr import (
Multiaddr,
)
from libp2p.abc import (
IHost,
INetStream,
)
from libp2p.custom_types import (
StreamHandlerFn,
TProtocol,
)
from libp2p.network.stream.exceptions import (
StreamClosed,
)
from .pb.identify_pb2 import (
Identify,
)
ID = TProtocol("/ipfs/id/1.0.0")
PROTOCOL_VERSION = "ipfs/0.1.0"
# TODO dynamically generate the agent version
AGENT_VERSION = "py-libp2p/alpha"
logger = logging.getLogger("libp2p.identity.identify")
def _multiaddr_to_bytes(maddr: Multiaddr) -> bytes:
return maddr.to_bytes()
def _mk_identify_protobuf(host: IHost) -> Identify:
public_key = host.get_public_key()
laddrs = host.get_addrs()
protocols = host.get_mux().get_protocols()
return Identify(
protocol_version=PROTOCOL_VERSION,
agent_version=AGENT_VERSION,
public_key=public_key.serialize(),
listen_addrs=map(_multiaddr_to_bytes, laddrs),
# TODO send observed address from ``stream``
observed_addr=b"",
protocols=protocols,
)
def identify_handler_for(host: IHost) -> StreamHandlerFn:
async def handle_identify(stream: INetStream) -> None:
peer_id = stream.muxed_conn.peer_id
logger.debug("received a request for %s from %s", ID, peer_id)
protobuf = _mk_identify_protobuf(host)
response = protobuf.SerializeToString()
try:
await stream.write(response)
except StreamClosed:
logger.debug("Fail to respond to %s request: stream closed", ID)
else:
await stream.close()
logger.debug("successfully handled request for %s from %s", ID, peer_id)
return handle_identify