chore: import upstream snapshot with attribution

python/tvm/s_tir/meta_schedule/testing/local_rpc.py

@@ -0,0 +1,72 @@
+# 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.
+"""RPC tracker and server running locally"""
+
+from tvm.rpc.server import Server
+from tvm.rpc.tracker import Tracker
+
+
+class LocalRPC:
+    """A pair of RPC tracker/server running locally
+
+    Parameters
+    ----------
+    tracker_host : str
+        The host URL of the tracker
+    tracker_port : int
+        The port of the tracker
+    tracker_key: str
+        The key used in the tracker to refer to a worker
+    """
+
+    tracker_host: str
+    tracker_port: int
+    tracker_key: str
+
+    def __init__(
+        self,
+        tracker_key: str = "key",
+        silent: bool = False,
+        no_fork: bool = False,
+    ) -> None:
+        self.tracker = Tracker(
+            silent=silent,
+            port=9190,
+            port_end=12345,
+        )
+        self.server = Server(
+            host="0.0.0.0",
+            is_proxy=False,
+            tracker_addr=(self.tracker.host, self.tracker.port),
+            key=tracker_key,
+            silent=silent,
+            no_fork=no_fork,
+            port=9190,
+            port_end=12345,
+        )
+        self.tracker_host = self.tracker.host
+        self.tracker_port = self.tracker.port
+        self.tracker_key = tracker_key
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, _type, _value, _traceback):
+        if hasattr(self, "server"):
+            del self.server
+        if hasattr(self, "tracker"):
+            del self.tracker