Added multiple A1 support in Near-RT RIC simulator
[sim/a1-interface.git] / near-rt-ric-simulator / src / OSC_2.1.0 / main.py
diff --git a/near-rt-ric-simulator/src/OSC_2.1.0/main.py b/near-rt-ric-simulator/src/OSC_2.1.0/main.py
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+#  ============LICENSE_START===============================================
+#  Copyright (C) 2020 Nordix Foundation. All rights reserved.
+#  ========================================================================
+#  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.
+#  ============LICENSE_END=================================================
+#
+
+import connexion
+import json
+import sys
+import os
+import requests
+
+from pathlib import Path
+from flask import Flask, escape, request, Response
+from jsonschema import validate
+from var_declaration import policy_instances, policy_types, policy_status, policy_fingerprint, forced_settings
+from maincommon import *
+
+
+check_apipath()
+
+app = connexion.App(__name__, specification_dir=apipath)
+
+#Check alive function
+@app.route('/', methods=['GET'])
+def test():
+
+    return Response("OK", 200, mimetype='text/plain')
+
+#Return the current and all supported yamls for the this container
+@app.route('/container_interfaces', methods=['GET'])
+def container_interfaces():
+
+    return get_supported_interfaces_response()
+
+#Delete all created instances and status
+@app.route('/deleteinstances', methods=['POST'])
+def deleteinstances():
+
+  for i in policy_instances.keys():
+    policy_instances[i]={}
+
+  policy_status.clear()
+  forced_settings.clear()
+  forced_settings['code']=None
+  forced_settings['delay']=None
+  policy_fingerprint.clear()
+  return Response("All policy instances deleted", 200, mimetype='text/plain')
+
+#Delete all - all reset
+@app.route('/deleteall', methods=['POST'])
+def deleteall():
+
+  policy_instances.clear()
+  policy_types.clear()
+  policy_status.clear()
+  forced_settings['code']=None
+  forced_settings['delay']=None
+  policy_fingerprint.clear()
+  return Response("All policy instances and types deleted", 200, mimetype='text/plain')
+
+#Load a policy type
+@app.route('/policytype', methods=['PUT'])
+def policytype():
+
+  policyTypeId=request.args.get('id')
+  if (policyTypeId is None):
+    return Response('Parameter <id> missing in request', status=400, mimetype='text/plain')
+  try:
+    val=int(policyTypeId)
+  except:
+    return Response("The policy type id is not an int", 400, mimetype='text/plain')
+  try:
+    data = request.data
+    data = json.loads(data)
+  except:
+    return Response("The policy type is corrupt or missing", 400, mimetype='text/plain')
+
+  if ('name' not in data.keys() or 'description' not in data.keys() or 'policy_type_id' not in data.keys() or'create_schema' not in data.keys()):
+    return Response("The policy type missing atributes", 400, mimetype='text/plain')
+
+  retcode=201
+  if (policyTypeId in policy_types.keys()):
+    retcode=200
+    if (len(policy_instances[policyTypeId]) > 0):
+      return Response("The policy type already exists and instances exists", 400, mimetype='text/plain')
+
+  policy_types[policyTypeId]=data
+  policy_instances[policyTypeId]={}
+  return Response("Policy type " + policyTypeId + " is OK.", retcode, mimetype='text/plain')
+
+#Delete a policy type
+@app.route('/policytype', methods=['DELETE'])
+def del_policytype():
+
+  policyTypeId=request.args.get('id')
+  if (policyTypeId is None):
+    return Response('Parameter <policytypeid> missing in request', status=400, mimetype='text/plain')
+  try:
+    val=int(policyTypeId)
+  except:
+    return Response("The policy type id is not an int", 400, mimetype='text/plain')
+
+  if (policyTypeId in policy_types.keys()):
+    if (len(policy_instances[policyTypeId]) > 0):
+      return Response("The policy type already exists and instances exists", 400, mimetype='text/plain')
+
+    del policy_types[policyTypeId]
+    del policy_instances[policyTypeId]
+    return Response("Policy type " + policyTypeId + " is OK.", 204, mimetype='text/plain')
+
+  return Response("Policy type " + policyTypeId + " not found.", 204, mimetype='text/plain')
+
+
+# Get all policy type ids
+@app.route('/policytypes', methods=['GET'])
+def get_policytype_ids():
+
+  return (json.dumps(list(policy_instances.keys())), 200)
+
+#Set force response for one A1 response
+#/forceresponse?code=<responsecode>
+@app.route('/forceresponse', methods=['POST'])
+def forceresponse():
+
+  try:
+    forced_settings['code']=int(request.args.get('code'))
+  except:
+    forced_settings['code']=None
+  return Response("Force response code: " + str(forced_settings['code']) + " set for one single A1 response", 200, mimetype='text/plain')
+
+#Set force delay response, in seconds, for all A1 responses
+#/froceesponse?delay=<seconds>
+@app.route('/forcedelay', methods=['POST'])
+def forcedelay():
+
+  try:
+    forced_settings['delay']=int(request.args.get('delay'))
+  except:
+    forced_settings['delay']=None
+  return Response("Force delay: " + str(forced_settings['delay']) + " sec set for all A1 responses", 200, mimetype='text/plain')
+
+
+#Set status and reason
+#/status?policyid=<policyid>&status=<status>[&deleted=<boolean>][&created_at=<timestamp>]
+@app.route('/status', methods=['PUT'])
+def setstatus():
+
+  policyId=request.args.get('policyid')
+  if (policyId is None):
+    return Response('Parameter <policyid> missing in request', status=400, mimetype='text/plain')
+
+  if policyId not in policy_status.keys():
+    return Response('Policyid: '+policyId+' not found.', status=404, mimetype='text/plain')
+  status=request.args.get('status')
+  if (status is None):
+    return Response('Parameter <status> missing in request', status=400, mimetype='text/plain')
+  policy_status[policyId]["instance_status"]=status
+  msg = "Status set to "+status
+  deleted_policy=request.args.get('deleted')
+  if (deleted_policy is not None):
+    policy_status[policyId]["has_been_deleted"]=deleted_policy
+    msg = msg + " and has_been_deleted set to "+deleted_policy
+  created_at = request.args.get('created_at')
+  if (created_at is not None):
+    policy_status[policyId]["created_at"]=created_at
+    msg = msg + " and created_at set to "+created_at
+  msg=msg + " for policy: " + policyId
+  return Response(msg, 200, mimetype='text/plain')
+
+
+#Metrics function
+#Get a named counter
+@app.route('/counter/<string:countername>', methods=['GET'])
+def getCounter(countername):
+
+  if (countername == "num_instances"):
+    return Response(str(len(policy_fingerprint)), 200, mimetype='text/plain')
+  elif (countername == "num_types"):
+    return Response(str(len(policy_instances)),200, mimetype='text/plain')
+  elif (countername == "interface"):
+    p=Path(os.getcwd())
+    pp=p.parts
+    return Response(str(pp[len(pp)-1]),200, mimetype='text/plain')
+  else:
+    return Response("Counter name: "+countername+" not found.",404, mimetype='text/plain')
+
+port_number = 8085
+if len(sys.argv) >= 2:
+  if isinstance(sys.argv[1], int):
+    port_number = sys.argv[1]
+
+app.add_api('openapi.yaml')
+app.run(port=port_number)
+