From ac1f6f07be1ea032f90c1531f46f68174a2ab9fc Mon Sep 17 00:00:00 2001
From: gifrerenom <lluis.gifre@cttc.es>
Date: Sun, 29 Jan 2023 20:44:28 +0000
Subject: [PATCH] Common - Tools - Context Query:

- Added method to request device/endpoint names from a list of endpoint identifiers
---
 src/common/tools/context_queries/EndPoint.py | 46 ++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/common/tools/context_queries/EndPoint.py

diff --git a/src/common/tools/context_queries/EndPoint.py b/src/common/tools/context_queries/EndPoint.py
new file mode 100644
index 000000000..c5114d124
--- /dev/null
+++ b/src/common/tools/context_queries/EndPoint.py
@@ -0,0 +1,46 @@
+# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
+#
+# Licensed 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
+from typing import Dict, List, Set, Tuple
+from common.proto.context_pb2 import EndPointId, EndPointIdList
+from context.client.ContextClient import ContextClient
+
+LOGGER = logging.getLogger(__name__)
+
+TYPE_DEVICE_NAMES   = Dict[str, str]             # device_uuid => device_name
+TYPE_ENDPOINTS_DATA = Dict[str, Tuple[str, str]] # endpoint_uuid => (endpoint_name, endpoint_type)
+TYPE_NAME_MAPS      = Tuple[TYPE_DEVICE_NAMES, TYPE_ENDPOINTS_DATA]
+
+def get_endpoint_names(context_client : ContextClient, endpoint_ids : List[EndPointId]) -> TYPE_NAME_MAPS:
+    endpoint_uuids_to_names : Set[str] = set()
+    endpoint_id_list = EndPointIdList()
+    for endpoint_id in endpoint_ids:
+        endpoint_uuid = endpoint_id.endpoint_uuid.uuid
+        if endpoint_uuid in endpoint_uuids_to_names: continue
+        endpoint_id_list.endpoint_ids.add().CopyFrom(endpoint_id)   # pylint: disable=no-member
+        endpoint_uuids_to_names.add(endpoint_uuid)
+
+    endpoint_names = context_client.ListEndPointNames(endpoint_id_list)
+
+    device_names   : TYPE_DEVICE_NAMES   = dict()
+    endpoints_data : TYPE_ENDPOINTS_DATA = dict()
+    for endpoint_name in endpoint_names.endpoint_names:
+        device_uuid = endpoint_name.endpoint_id.device_id.device_uuid.uuid
+        device_names[device_uuid] = endpoint_name.device_name
+
+        endpoint_uuid = endpoint_name.endpoint_id.endpoint_uuid.uuid
+        endpoints_data[endpoint_uuid] = (endpoint_name.endpoint_name, endpoint_name.endpoint_type)
+
+    return device_names, endpoints_data
-- 
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