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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/jaegertracing/thrift/contrib/zeromq/TZmqServer.py | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/jaegertracing/thrift/contrib/zeromq/TZmqServer.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/contrib/zeromq/TZmqServer.py b/src/jaegertracing/thrift/contrib/zeromq/TZmqServer.py new file mode 100644 index 000000000..15c1543ac --- /dev/null +++ b/src/jaegertracing/thrift/contrib/zeromq/TZmqServer.py @@ -0,0 +1,79 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# +import logging +import zmq +import thrift.server.TServer +import thrift.transport.TTransport + + +class TZmqServer(thrift.server.TServer.TServer): + def __init__(self, processor, ctx, endpoint, sock_type): + thrift.server.TServer.TServer.__init__(self, processor, None) + self.zmq_type = sock_type + self.socket = ctx.socket(sock_type) + self.socket.bind(endpoint) + + def serveOne(self): + msg = self.socket.recv() + itrans = thrift.transport.TTransport.TMemoryBuffer(msg) + otrans = thrift.transport.TTransport.TMemoryBuffer() + iprot = self.inputProtocolFactory.getProtocol(itrans) + oprot = self.outputProtocolFactory.getProtocol(otrans) + + try: + self.processor.process(iprot, oprot) + except Exception: + logging.exception("Exception while processing request") + # Fall through and send back a response, even if empty or incomplete. + + if self.zmq_type == zmq.REP: + msg = otrans.getvalue() + self.socket.send(msg) + + def serve(self): + while True: + self.serveOne() + + +class TZmqMultiServer(object): + def __init__(self): + self.servers = [] + + def serveOne(self, timeout=-1): + self._serveActive(self._setupPoll(), timeout) + + def serveForever(self): + poll_info = self._setupPoll() + while True: + self._serveActive(poll_info, -1) + + def _setupPoll(self): + server_map = {} + poller = zmq.Poller() + for server in self.servers: + server_map[server.socket] = server + poller.register(server.socket, zmq.POLLIN) + return (server_map, poller) + + def _serveActive(self, poll_info, timeout): + (server_map, poller) = poll_info + ready = dict(poller.poll()) + for sock, state in ready.items(): + assert (state & zmq.POLLIN) != 0 + server_map[sock].serveOne() |