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Dir : ~/lib/python3.9/site-packages/cockpit/channels/

View File Name : trivial.py

# This file is part of Cockpit.
#
# Copyright (C) 2022 Red Hat, Inc.
#
# 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.
#
# 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/>.

import logging

from ..channel import Channel

logger = logging.getLogger(__name__)


class EchoChannel(Channel):
    payload = 'echo'

    def do_open(self, options):
        self.ready()

    def do_data(self, data: bytes) -> None:
        self.send_bytes(data)

    def do_done(self):
        self.done()
        self.close()


class NullChannel(Channel):
    payload = 'null'

    def do_open(self, options):
        self.ready()

    def do_close(self):
        self.close()