From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../thrift/contrib/zeromq/TZmqServer.py            | 79 ++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/jaegertracing/thrift/contrib/zeromq/TZmqServer.py

(limited to 'src/jaegertracing/thrift/contrib/zeromq/TZmqServer.py')

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()
-- 
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