Remove old TCP draft.

wip-fakessh-exit-status
David Wilson 7 years ago
parent 32f6ee7d43
commit 67d4c13ffa

@ -1,71 +0,0 @@
# Copyright 2017, David Wilson
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
Functionality to allow a slave context to reconnect back to its master using a
plain TCP connection.
"""
import socket
import mitogen.core
from mitogen.core import LOG
class Listener(mitogen.core.BasicStream):
def __init__(self, broker, address=None, backlog=30):
self._broker = broker
self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self._sock.bind(address or ('0.0.0.0', 0))
self._sock.listen(backlog)
mitogen.core.set_cloexec(self._sock.fileno())
self.address = self._sock.getsockname()
self.receive_side = mitogen.core.Side(self, self._sock.fileno())
broker.start_receive(self)
def on_receive(self, broker):
sock, addr = self._sock.accept()
context = mitogen.core.Context(self._broker, name=addr)
stream = mitogen.core.Stream(context)
stream.accept(sock.fileno(), sock.fileno())
def listen(broker, address=None, backlog=30):
"""Listen on `address` for connections from newly spawned contexts."""
return Listener(broker, address, backlog)
def connect(context):
"""Connect to a Broker at the address specified in our associated
Context."""
LOG.debug('%s.connect()', __name__)
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.receive_side = mitogen.core.Side(self, sock.fileno())
self.transmit_side = mitogen.core.Side(self, sock.fileno())
sock.connect(self._context.parent_addr)
self.enqueue(0, self._context.name)
Loading…
Cancel
Save