Onionr/src/gossip/server.py

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import asyncio
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from typing import TYPE_CHECKING
from typing import Set
from queue import Queue
if TYPE_CHECKING:
from onionrblocks import Block
from peer import Peer
from filepaths import gossip_server_socket_file
from .commands import GossipCommands
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
def gossip_server(
peer_set: Set['Peer'],
block_queue: Queue['Block'],
dandelion_seed: bytes):
async def peer_connected(reader, writer):
while True:
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try:
cmd = await asyncio.wait_for(reader.read(1), 60)
except asyncio.exceptions.CancelledError:
writer.close()
cmd = int.from_bytes(cmd, 'big')
if cmd == b'' or cmd == 0:
continue
match GossipCommands(cmd):
case GossipCommands.PING:
writer.write(b'PONG')
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case GossipCommands.CLOSE:
writer.close()
await writer.drain()
async def main():
server = await asyncio.start_unix_server(
peer_connected, gossip_server_socket_file
)
async with server:
await server.serve_forever()
asyncio.run(main())