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/TZmqClient.py            | 64 ++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 src/jaegertracing/thrift/contrib/zeromq/TZmqClient.py

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

diff --git a/src/jaegertracing/thrift/contrib/zeromq/TZmqClient.py b/src/jaegertracing/thrift/contrib/zeromq/TZmqClient.py
new file mode 100644
index 000000000..1bd60a1e5
--- /dev/null
+++ b/src/jaegertracing/thrift/contrib/zeromq/TZmqClient.py
@@ -0,0 +1,64 @@
+#
+# 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 zmq
+from cStringIO import StringIO
+from thrift.transport.TTransport import TTransportBase, CReadableTransport
+
+
+class TZmqClient(TTransportBase, CReadableTransport):
+    def __init__(self, ctx, endpoint, sock_type):
+        self._sock = ctx.socket(sock_type)
+        self._endpoint = endpoint
+        self._wbuf = StringIO()
+        self._rbuf = StringIO()
+
+    def open(self):
+        self._sock.connect(self._endpoint)
+
+    def read(self, size):
+        ret = self._rbuf.read(size)
+        if len(ret) != 0:
+            return ret
+        self._read_message()
+        return self._rbuf.read(size)
+
+    def _read_message(self):
+        msg = self._sock.recv()
+        self._rbuf = StringIO(msg)
+
+    def write(self, buf):
+        self._wbuf.write(buf)
+
+    def flush(self):
+        msg = self._wbuf.getvalue()
+        self._wbuf = StringIO()
+        self._sock.send(msg)
+
+    # Implement the CReadableTransport interface.
+    @property
+    def cstringio_buf(self):
+        return self._rbuf
+
+    # NOTE: This will probably not actually work.
+    def cstringio_refill(self, prefix, reqlen):
+        while len(prefix) < reqlen:
+            self.read_message()
+            prefix += self._rbuf.getvalue()
+        self._rbuf = StringIO(prefix)
+        return self._rbuf
-- 
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