MEC application.ipynb

    "    Stop the notification server\n",
    "    :param The instance of the HTTP server\n",
    "    \"\"\"\n",
    "    httpd.server_close()\n",
    "    httpd=None\n",
    "    # End of function HTTPRequestHandler\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [],
   "source": [
    "def subscribe_for_user_events(sandbox_name: str) -> object:\n",
    "    \"\"\"\n",
    "    Subscriptions for notifications related to location.\n",
    "    :param sandbox_name: The MEC Sandbox instance to use\n",
    "    :return: The HTTP respone, the subscription ID and the resource URL on success, None otherwise\n",
    "    :see ETSI GS MEC 013 V3.1.1 Clause 7.5 Resource: user_subscriptions\n",
    "    \"\"\"\n",
    "    global MEC_PLTF, logger, service_api\n",
    "\n",
    "    logger.debug('>>> subscribe_for_user_events: ' + sandbox_name)\n",
    "    try:\n",
    "        url = '/{sandbox_name}/{mec_pltf}//location/v3/subscriptions/users'\n",
    "        logger.debug('subscribe_for_user_events: url: ' + url)\n",
    "        path_params = {}\n",
    "        path_params['sandbox_name'] = sandbox_name\n",
    "        path_params['mec_pltf'] = MEC_PLTF\n",
    "        header_params = {}\n",
    "        # HTTP header `Accept`\n",
    "        header_params['Accept'] = 'application/json'  # noqa: E501\n",
    "        # HTTP header `Content-Type`\n",
    "        header_params['Content-Type'] = 'application/json'  # noqa: E501\n",
    "        # Body\n",
    "        dict_body = {}\n",
    "        dict_body['subscriptionType'] = 'UserLocationEventSubscription'\n",
    "        dict_body['callbackReference'] = CALLBACK_URI + '/mec013/v3/location' # FIXME To be parameterized\n",
    "        dict_body['address'] = '10.100.0.1' # FIXME To be parameterized\n",
    "        dict_body['clientCorrelator'] = \"12345\"\n",
    "        dict_body['locationEventCriteria'] = [ \"ENTERING_AREA_EVENT\", \"LEAVING_AREA_EVENT\"]\n",
    "        m = {}\n",
    "        m[\"userLocationEventSubscription\"] = dict_body\n",
    "        (result, status, headers) = service_api.call_api(url, 'POST', header_params=header_params, path_params = path_params, body=m, async_req=False)\n",
    "        return (result, extract_sub_id(headers['Location']), headers['Location'])\n",
    "    except ApiException as e:\n",
    "        logger.error('Exception when calling call_api: %s\\n' % e)\n",
    "    return None\n",
    "    # End of function subscribe_for_user_are_event"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Putting everything together\n",
    "\n",
    "It is time now to create the our third iteration of our MEC application.\n",
    "\n",
    "The sequence is the following:\n",
    "- Login\n",
    "- Activate a network scenario\n",
    "- Create subscription\n",
    "- Wait for notification\n",
    "- Delete our application instance identifier\n",
    "- Deactivate a network scenario\n",
    "- Logout"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:26:28,384 - __main__ - DEBUG - Starting at 20241112-132628\n",
      "2024-11-12 13:26:28,385 - __main__ - DEBUG - \t pwd= /home/jovyan/work/mecapp\n",
      "2024-11-12 13:26:28,388 - __main__ - DEBUG - >>> process_login\n",
      "2024-11-12 13:26:28,390 DEBUG Resetting dropped connection: mec-platform2.etsi.org\n",
      "2024-11-12 13:26:28,457 DEBUG https://mec-platform2.etsi.org:443 \"POST /sandbox-api/v1/login?provider=Jupyter2024 HTTP/11\" 201 0\n",
      "2024-11-12 13:26:28,463 DEBUG response body: b'{\"user_code\":\"sbxlm5h1yu\",\"verification_uri\":\"\"}'\n",
      "2024-11-12 13:26:28,464 - __main__ - DEBUG - process_login (step1): oauth: {'user_code': 'sbxlm5h1yu', 'verification_uri': ''}\n",
      "2024-11-12 13:26:28,465 - __main__ - DEBUG - =======================> DO AUTHORIZATION WITH CODE : sbxlm5h1yu\n",
      "2024-11-12 13:26:28,466 - __main__ - DEBUG - =======================> DO AUTHORIZATION HERE :      \n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'POST /sandbox-api/v1/login?provider=Jupyter2024 HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 2\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{}'\n",
      "reply: 'HTTP/1.1 201 Created\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:26:28 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Content-Length: 48\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:26:31,477 DEBUG https://mec-platform2.etsi.org:443 \"GET /sandbox-api/v1/namespace?user_code=sbxlm5h1yu HTTP/11\" 200 0\n",
      "2024-11-12 13:26:31,478 DEBUG response body: b'{\"sandbox_name\":\"sbxlm5h1yu\"}'\n",
      "2024-11-12 13:26:31,479 - __main__ - DEBUG - process_login (step2): result: {'sandbox_name': 'sbxlm5h1yu'}\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'GET /sandbox-api/v1/namespace?user_code=sbxlm5h1yu HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "reply: 'HTTP/1.1 200 OK\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:26:31 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Content-Length: 29\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:26:41,481 - __main__ - DEBUG - >>> get_network_scenarios: sandbox=sbxlm5h1yu\n",
      "2024-11-12 13:26:41,483 DEBUG Resetting dropped connection: mec-platform2.etsi.org\n",
      "2024-11-12 13:26:41,566 DEBUG https://mec-platform2.etsi.org:443 \"GET /sandbox-api/v1/sandboxNetworkScenarios?sandbox_name=sbxlm5h1yu HTTP/11\" 200 0\n",
      "2024-11-12 13:26:41,568 DEBUG response body: b'[{\"id\":\"4g-5g-macro-v2x\"},{\"id\":\"4g-5g-macro-v2x-fed\"},{\"id\":\"4g-5g-wifi-macro\"},{\"id\":\"4g-macro\"},{\"id\":\"4g-wifi-macro\"},{\"id\":\"dual-mep-4g-5g-wifi-macro\"},{\"id\":\"dual-mep-short-path\"}]'\n",
      "2024-11-12 13:26:41,568 - __main__ - DEBUG - get_network_scenarios: result: [{'id': '4g-5g-macro-v2x'}, {'id': '4g-5g-macro-v2x-fed'}, {'id': '4g-5g-wifi-macro'}, {'id': '4g-macro'}, {'id': '4g-wifi-macro'}, {'id': 'dual-mep-4g-5g-wifi-macro'}, {'id': 'dual-mep-short-path'}]\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'GET /sandbox-api/v1/sandboxNetworkScenarios?sandbox_name=sbxlm5h1yu HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "reply: 'HTTP/1.1 200 OK\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:26:41 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Content-Length: 186\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:26:51,569 - __main__ - DEBUG - >>> activate_network_scenario: sbxlm5h1yu\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'POST /sandbox-api/v1/sandboxNetworkScenarios/sbxlm5h1yu?network_scenario_id=4g-5g-macro-v2x HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 2\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{}'\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:26:53,000 DEBUG https://mec-platform2.etsi.org:443 \"POST /sandbox-api/v1/sandboxNetworkScenarios/sbxlm5h1yu?network_scenario_id=4g-5g-macro-v2x HTTP/11\" 204 0\n",
      "2024-11-12 13:26:53,006 DEBUG response body: b''\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "reply: 'HTTP/1.1 204 No Content\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:26:52 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:27:13,007 - __main__ - DEBUG - >>> request_application_instance_id: sbxlm5h1yu\n",
      "2024-11-12 13:27:13,009 DEBUG Resetting dropped connection: mec-platform2.etsi.org\n",
      "2024-11-12 13:27:13,101 DEBUG https://mec-platform2.etsi.org:443 \"POST /sandbox-api/v1/sandboxAppInstances/sbxlm5h1yu HTTP/11\" 201 0\n",
      "2024-11-12 13:27:13,102 DEBUG response body: b'{\"id\":\"546415bd-46a0-459c-a5da-1fd80b2719e5\",\"name\":\"JupyterMecApp\",\"nodeName\":\"mep1\",\"type\":\"USER\"}'\n",
      "2024-11-12 13:27:13,104 - __main__ - DEBUG - request_application_instance_id: result: {'id': '546415bd-46a0-459c-a5da-1fd80b2719e5',\n",
      " 'name': 'JupyterMecApp',\n",
      " 'node_name': 'mep1',\n",
      " 'persist': None,\n",
      " 'type': 'USER'}\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'POST /sandbox-api/v1/sandboxAppInstances/sbxlm5h1yu HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 107\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{\"id\": \"546415bd-46a0-459c-a5da-1fd80b2719e5\", \"name\": \"JupyterMecApp\", \"nodeName\": \"mep1\", \"type\": \"USER\"}'\n",
      "reply: 'HTTP/1.1 201 Created\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:27:13 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Content-Length: 100\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:27:23,105 - __main__ - DEBUG - >>> send_ready_confirmation: 546415bd-46a0-459c-a5da-1fd80b2719e5\n",
      "2024-11-12 13:27:23,106 - __main__ - DEBUG - send_ready_confirmation: url: /{sandbox_name}/{mec_pltf}/mec_app_support/v2/applications/{app_inst_id}/confirm_ready\n",
      "2024-11-12 13:27:23,107 DEBUG Resetting dropped connection: mec-platform2.etsi.org\n",
      "2024-11-12 13:27:23,156 DEBUG https://mec-platform2.etsi.org:443 \"POST /sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/confirm_ready HTTP/11\" 204 0\n",
      "2024-11-12 13:27:23,159 DEBUG response body: b''\n",
      "2024-11-12 13:27:23,160 - __main__ - DEBUG - >>> send_subscribe_termination: 546415bd-46a0-459c-a5da-1fd80b2719e5\n",
      "2024-11-12 13:27:23,166 - __main__ - DEBUG - send_subscribe_termination: url: /{sandbox_name}/{mec_pltf}/mec_app_support/v2/applications/{app_inst_id}/subscriptions\n",
      "2024-11-12 13:27:23,171 DEBUG https://mec-platform2.etsi.org:443 \"POST /sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/subscriptions HTTP/11\" 201 0\n",
      "2024-11-12 13:27:23,173 DEBUG response body: b'{\"subscriptionType\":\"AppTerminationNotificationSubscription\",\"callbackReference\":\"http://mec-platform2.etsi.org:31111/sandbox/v1/mec011/v2/termination\",\"_links\":{\"self\":{\"href\":\"https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/subscriptions/sub-LtLIjh4RP1-aiUeZ\"}},\"appInstanceId\":\"546415bd-46a0-459c-a5da-1fd80b2719e5\"}'\n",
      "2024-11-12 13:27:23,175 - __main__ - DEBUG - >>> extract_sub_id: resource_url: https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/subscriptions/sub-LtLIjh4RP1-aiUeZ\n",
      "2024-11-12 13:27:23,176 - __main__ - DEBUG - >>> subscribe_for_user_events: sbxlm5h1yu\n",
      "2024-11-12 13:27:23,177 - __main__ - DEBUG - subscribe_for_user_events: url: /{sandbox_name}/{mec_pltf}//location/v3/subscriptions/users\n",
      "2024-11-12 13:27:23,184 DEBUG https://mec-platform2.etsi.org:443 \"POST /sbxlm5h1yu/mep1//location/v3/subscriptions/users HTTP/11\" 201 0\n",
      "2024-11-12 13:27:23,185 DEBUG response body: b'{\"userLocationEventSubscription\":{\"_links\":{\"self\":{\"href\":\"https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/location/v3/subscriptions/users/2\"}},\"address\":\"10.100.0.1\",\"callbackReference\":\"http://mec-platform2.etsi.org:31111/sandbox/v1/mec013/v3/location\",\"clientCorrelator\":\"12345\",\"locationEventCriteria\":[\"ENTERING_AREA_EVENT\",\"LEAVING_AREA_EVENT\"],\"subscriptionType\":\"UserLocationEventSubscription\"}}'\n",
      "2024-11-12 13:27:23,186 - __main__ - DEBUG - >>> extract_sub_id: resource_url: https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/location/v3/subscriptions/users/2\n",
      "2024-11-12 13:27:23,188 - __main__ - INFO - UE location information: status: 2\n",
      "2024-11-12 13:27:23,188 - __main__ - ERROR - Failed to get UE location information\n",
      "2024-11-12 13:27:23,203 - __main__ - DEBUG - >>> get_ue_location: 10.100.0.1\n",
      "2024-11-12 13:27:23,207 - __main__ - DEBUG - get_ue_location: url: /{sandbox_name}/{mec_pltf}/location/v3/queries/users\n",
      "2024-11-12 13:27:23,220 DEBUG https://mec-platform2.etsi.org:443 \"GET /sbxlm5h1yu/mep1/location/v3/queries/users?address=10.100.0.1 HTTP/11\" 200 0\n",
      "2024-11-12 13:27:23,221 DEBUG response body: b'{\"userList\":{\"resourceURL\":\"https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/location/v3/queries/users\",\"user\":[{\"address\":\"10.100.0.1\",\"accessPointId\":\"5g-small-cell-2\",\"zoneId\":\"zone01\",\"resourceURL\":\"https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/location/v3/queries/users?address=10.100.0.1\",\"timestamp\":{\"nanoSeconds\":0,\"seconds\":1731418042},\"locationInfo\":{\"latitude\":[43.73147],\"longitude\":[7.417372],\"shape\":2},\"civicInfo\":{\"country\":\"MC\"},\"relativeLocationInfo\":{\"X\":7.594824,\"Y\":-314.42572,\"mapInfo\":{\"mapId\":\"324561243\",\"origin\":{\"latitude\":43.7314,\"longitude\":7.4202}}}}]}}'\n",
      "2024-11-12 13:27:23,222 - __main__ - INFO - UE location information: status: 200\n",
      "2024-11-12 13:27:23,222 - __main__ - INFO - UE location information: b'{\"userList\":{\"resourceURL\":\"https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/location/v3/queries/users\",\"user\":[{\"address\":\"10.100.0.1\",\"accessPointId\":\"5g-small-cell-2\",\"zoneId\":\"zone01\",\"resourceURL\":\"https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/location/v3/queries/users?address=10.100.0.1\",\"timestamp\":{\"nanoSeconds\":0,\"seconds\":1731418042},\"locationInfo\":{\"latitude\":[43.73147],\"longitude\":[7.417372],\"shape\":2},\"civicInfo\":{\"country\":\"MC\"},\"relativeLocationInfo\":{\"X\":7.594824,\"Y\":-314.42572,\"mapInfo\":{\"mapId\":\"324561243\",\"origin\":{\"latitude\":43.7314,\"longitude\":7.4202}}}}]}}'\n",
      "2024-11-12 13:27:23,223 - __main__ - INFO - Waiting for subscription...\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'POST /sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/confirm_ready HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 23\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{\"indication\": \"READY\"}'\n",
      "reply: 'HTTP/1.1 204 No Content\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:27:23 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n",
      "send: b'POST /sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/subscriptions HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 212\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{\"subscriptionType\": \"AppTerminationNotificationSubscription\", \"callbackReference\": \"http://mec-platform2.etsi.org:31111/sandbox/v1/mec011/v2/termination\", \"appInstanceId\": \"546415bd-46a0-459c-a5da-1fd80b2719e5\"}'\n",
      "reply: 'HTTP/1.1 201 Created\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:27:23 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Content-Length: 387\n",
      "header: Connection: keep-alive\n",
      "header: Location: https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/subscriptions/sub-LtLIjh4RP1-aiUeZ\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n",
      "send: b'POST /sbxlm5h1yu/mep1//location/v3/subscriptions/users HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 304\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{\"userLocationEventSubscription\": {\"subscriptionType\": \"UserLocationEventSubscription\", \"callbackReference\": \"http://mec-platform2.etsi.org:31111/sandbox/v1/mec013/v3/location\", \"address\": \"10.100.0.1\", \"clientCorrelator\": \"12345\", \"locationEventCriteria\": [\"ENTERING_AREA_EVENT\", \"LEAVING_AREA_EVENT\"]}}'\n",
      "reply: 'HTTP/1.1 201 Created\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:27:23 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Content-Length: 403\n",
      "header: Connection: keep-alive\n",
      "header: Location: https://mec-platform2.etsi.org/sbxlm5h1yu/mep1/location/v3/subscriptions/users/2\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n",
      "send: b'GET /sbxlm5h1yu/mep1/location/v3/queries/users?address=10.100.0.1 HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "reply: 'HTTP/1.1 200 OK\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:27:23 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Content-Length: 583\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:27:33,223 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:27:43,224 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:27:53,225 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:28:03,227 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:28:13,228 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:28:23,229 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:28:33,231 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:28:43,232 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:28:53,233 - __main__ - INFO - Waiting for subscription...\n",
      "2024-11-12 13:29:03,234 - __main__ - DEBUG - >>> delete_subscribe_termination: 546415bd-46a0-459c-a5da-1fd80b2719e5\n",
      "2024-11-12 13:29:03,235 - __main__ - DEBUG - delete_subscribe_termination: url: /{sandbox_name}/{mec_pltf}/mec_app_support/v2/applications/{app_inst_id}/subscriptions/{sub_id}\n",
      "2024-11-12 13:29:03,235 DEBUG Resetting dropped connection: mec-platform2.etsi.org\n",
      "2024-11-12 13:29:03,270 DEBUG https://mec-platform2.etsi.org:443 \"DELETE /sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/subscriptions/sub-LtLIjh4RP1-aiUeZ HTTP/11\" 204 0\n",
      "2024-11-12 13:29:03,272 DEBUG response body: b''\n",
      "2024-11-12 13:29:03,273 - __main__ - DEBUG - >>> delete_application_instance_id: sbxlm5h1yu\n",
      "2024-11-12 13:29:03,274 - __main__ - DEBUG - >>> delete_application_instance_id: 546415bd-46a0-459c-a5da-1fd80b2719e5\n",
      "2024-11-12 13:29:03,275 DEBUG Resetting dropped connection: mec-platform2.etsi.org\n",
      "2024-11-12 13:29:03,415 DEBUG https://mec-platform2.etsi.org:443 \"DELETE /sandbox-api/v1/sandboxAppInstances/sbxlm5h1yu/546415bd-46a0-459c-a5da-1fd80b2719e5 HTTP/11\" 204 0\n",
      "2024-11-12 13:29:03,416 DEBUG response body: b''\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'DELETE /sbxlm5h1yu/mep1/mec_app_support/v2/applications/546415bd-46a0-459c-a5da-1fd80b2719e5/subscriptions/sub-LtLIjh4RP1-aiUeZ HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 2\\r\\nAccept: application/json\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{}'\n",
      "reply: 'HTTP/1.1 204 No Content\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:29:03 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n",
      "send: b'DELETE /sandbox-api/v1/sandboxAppInstances/sbxlm5h1yu/546415bd-46a0-459c-a5da-1fd80b2719e5 HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 2\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{}'\n",
      "reply: 'HTTP/1.1 204 No Content\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:29:03 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:29:13,417 - __main__ - DEBUG - >>> deactivate_network_scenario: sbxlm5h1yu\n",
      "2024-11-12 13:29:13,445 DEBUG https://mec-platform2.etsi.org:443 \"DELETE /sandbox-api/v1/sandboxNetworkScenarios/sbxlm5h1yu/4g-5g-macro-v2x HTTP/11\" 204 0\n",
      "2024-11-12 13:29:13,447 DEBUG response body: b''\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'DELETE /sandbox-api/v1/sandboxNetworkScenarios/sbxlm5h1yu/4g-5g-macro-v2x HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 2\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{}'\n",
      "reply: 'HTTP/1.1 204 No Content\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:29:13 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "2024-11-12 13:29:33,451 - __main__ - DEBUG - >>> process_logout: sandbox=sbxlm5h1yu\n",
      "2024-11-12 13:29:33,452 DEBUG Resetting dropped connection: mec-platform2.etsi.org\n",
      "2024-11-12 13:29:33,560 DEBUG https://mec-platform2.etsi.org:443 \"POST /sandbox-api/v1/logout?sandbox_name=sbxlm5h1yu HTTP/11\" 204 0\n",
      "2024-11-12 13:29:33,562 DEBUG response body: b''\n",
      "2024-11-12 13:29:33,563 - __main__ - DEBUG - Stopped at 20241112-132933\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "send: b'POST /sandbox-api/v1/logout?sandbox_name=sbxlm5h1yu HTTP/1.1\\r\\nHost: mec-platform2.etsi.org\\r\\nAccept-Encoding: identity\\r\\nContent-Length: 2\\r\\nContent-Type: application/json\\r\\nUser-Agent: Swagger-Codegen/1.0.0/python\\r\\n\\r\\n'\n",
      "send: b'{}'\n",
      "reply: 'HTTP/1.1 204 No Content\\r\\n'\n",
      "header: Date: Tue, 12 Nov 2024 13:29:33 GMT\n",
      "header: Content-Type: application/json; charset=UTF-8\n",
      "header: Connection: keep-alive\n",
      "header: Strict-Transport-Security: max-age=15724800; includeSubDomains\n"
     ]
    }
   ],
   "source": [
    "def process_main():\n",
    "    \"\"\"\n",
    "    This is the second sprint of our skeleton of our MEC application:\n",
    "        - Login\n",
    "        - Activate a network scenario\n",
    "        - Create subscription\n",
    "        - Wait for notification\n",
    "        - Delete our application instance identifier\n",
    "        - Deactivate a network scenario\n",
    "        - Logout\n",
    "    \"\"\" \n",
    "    global logger, nw_scenarios, got_notification\n",
    "\n",
    "    logger.debug('Starting at ' + time.strftime('%Y%m%d-%H%M%S'))\n",
    "    logger.debug('\\t pwd= ' + os.getcwd())\n",
    "\n",
    "    # Start notification server in a daemonized thread\n",
    "    httpd = start_notification_server()\n",
    "\n",
    "    # Setup the MEC application\n",
    "    (sandbox_name, app_inst_id, sub_id) = mec_app_setup()\n",
    "\n",
    "    # Create subscription\n",
    "    result, status, headers = subscribe_for_user_events(sandbox_name)\n",
    "    logger.info('UE location information: status: %s', str(status))\n",
    "    if status != 200:\n",
    "        logger.error('Failed to get UE location information')\n",
    "    else:\n",
    "        logger.info('UE location information: ' + str(result.data))\n",
    "    \n",
    "    # Getting UE location lookup\n",
    "    result, status = get_ue_location(sandbox_name, '10.100.0.1')\n",
    "    logger.info('UE location information: status: ' + str(status))\n",
    "    if status != 200:\n",
    "        logger.error('Failed to get UE location information')\n",
    "    else:\n",
    "        logger.info('UE location information: ' + str(result.data))\n",
    "\n",
    "    # Wait for the notification\n",
    "    counter = 0\n",
    "    while not got_notification and counter < 30:\n",
    "        logger.info('Waiting for subscription...')\n",
    "        time.sleep(STABLE_TIME_OUT)\n",
    "        counter += 1\n",
    "        # End of 'while' statement\n",
    "\n",
    "    # Stop notification server\n",
    "    stop_notification_server(httpd)\n",
    "\n",
    "    # Terminate the MEC application\n",
    "    mec_app_termination(sandbox_name, app_inst_id, sub_id)\n",
    "\n",
    "    logger.debug('Stopped at ' + time.strftime('%Y%m%d-%H%M%S'))\n",
    "    # End of function process_main\n",
    "\n",
    "if __name__ == '__main__':\n",
    "    process_main()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Create our third MEC application: how to use V2X MEC Services\n",
    "\n",
    "After doing the logging, network scenario activation, MEC application instance creation steps, we are ready to exploit the MEC services exposed by the MEC Sandbox.\n",
    "\n",
    "In this clause, we use the following functionalities provided by MEC-030:\n",
    "- Getting UU unicast provisioning information (ETSI GS MEC 030 Clause 5.5.1)\n",
    "- Subscribe to the V2X message distribution server (ETSI GS MEC 030 Clause 5.5.7)\n",
    "- Delete subscription\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Getting UU unicast provisioning information\n",
    "\n",
    "The purpose is to query provisioning information for V2X communication over Uu unicast."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [],
   "source": [
    "def send_uu_unicast_provisioning_info(sandbox_name: str, ecgi: str) -> object:\n",
    "    \"\"\"\n",
    "    Request for V2X communication over Uu unicast information\n",
    "    :param sandbox_name: The MEC Sandbox instance to use\n",
    "    :param ecgi: Comma separated list of locations to identify a cell of a base station or a particular geographical area\n",
    "    :return The Uu unicast provisioning information on success, None otherwise\n",
    "    :see ETSI GS MEC 030 V3.2.1 (2024-02) Clause 5.5.1 Sending a request for provisioning information for V2X communication over Uu unicast\n",
    "    \"\"\"\n",
    "    global MEC_PLTF, logger, service_api\n",
    "\n",
    "    logger.debug('>>> send_uu_unicast_provisioning_info: ' + ecgi)\n",
    "    try:\n",
    "        url = '/{sandbox_name}/{mec_pltf}/vis/v2/queries/uu_unicast_provisioning_info'\n",
    "        logger.debug('send_uu_unicast_provisioning_info: url: ' + url)\n",
    "        path_params = {}\n",
    "        path_params['sandbox_name'] = sandbox_name\n",
    "        path_params['mec_pltf'] = MEC_PLTF\n",
    "        query_params = []\n",
    "        query_params.append(('location_info', 'ecgi,' + ecgi))\n",
    "        header_params = {}\n",
    "        # HTTP header `Accept`\n",
    "        header_params['Accept'] = 'application/json'  # noqa: E501\n",
    "        # HTTP header `Content-Type`\n",
    "        header_params['Content-Type'] = 'application/json'  # noqa: E501\n",
    "        (result, status, header) = service_api.call_api(url, 'GET', header_params=header_params, path_params=path_params, query_params=query_params, async_req=False)\n",
    "        return (result, status, header)\n",
    "    except ApiException as e:\n",
    "        logger.error('Exception when calling call_api: %s\\n' % e)\n",
    "    return None\n",
    "    # End of function send_uu_unicast_provisioning_info"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Let's create the our second MEC application.\n",
    "The sequence is the following:\n",
    "- Mec application setup\n",
    "- Get UU unicast provisioning information\n",
    "- Mec application termination\n",
    "\n",
    "Note that the UU unicast provisioning information is returned as a JSON string. To de-serialized it into a Python data structure, please refer to clause [Subscribing to V2X message distribution server](#subscribing_to_v2x_message_distribution_server)."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Putting everything together"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def process_main():\n",
    "    \"\"\"\n",
    "    This is the second sprint of our skeleton of our MEC application:\n",
    "        - Mec application setup\n",
    "        - Get UU unicast provisioning information\n",
    "        - Mec application termination\n",
    "    \"\"\" \n",
    "    global logger, nw_scenarios\n",
    "\n",
    "    logger.debug('Starting at ' + time.strftime('%Y%m%d-%H%M%S'))\n",
    "    logger.debug('\\t pwd= ' + os.getcwd())\n",
    "\n",
    "    # Setup the MEC application\n",
    "    (sandbox_name, app_inst_id, sub_id) = mec_app_setup()\n",
    "\n",
    "    # Get UU unicast provisioning information\n",
    "    ecgi = \"268708941961,268711972264\" # List of ecgi spearated by a ','\n",
    "    result, status, header = send_uu_unicast_provisioning_info(sandbox_name, ecgi)\n",
    "    logger.info('UU unicast provisioning information: status: %s', str(status))\n",
    "    if status != 200:\n",
    "        logger.error('Failed to get UU unicast provisioning information')\n",
    "    else:\n",
    "        logger.info('UU unicast provisioning information: %s', str(result.data))\n",
    "\n",
    "    # Any processing comes here\n",
    "    logger.info('body: ' + str(result.data))\n",
    "    data = json.loads(result.data)\n",
    "    logger.info('data: ' + str(data))\n",
    "\n",
    "    # Terminate the MEC application\n",
    "    mec_app_termination(sandbox_name, app_inst_id, sub_id)\n",
    "\n",
    "    logger.debug('Stopped at ' + time.strftime('%Y%m%d-%H%M%S'))\n",
    "    # End of function process_main\n",
    "\n",
    "if __name__ == '__main__':\n",
    "    process_main()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Subscribing to V2X message distribution server\n",
    "\n",
    "Here, we need to come back to the MEC 030 standard to create the type V2xMsgSubscription. It involves the creation of a set of basic types described below.\n",
    "\n",
    "These new type shall be 'JSON' serializable. It means that they have to implement the following methods:\n",
    "\n",
    "- to_dict()\n",
    "- to_str()\n",
    "- \\_\\_repr\\_\\_()\n",
    "- \\_\\_eq\\_\\_()\n",
    "- \\_\\_ne\\_\\_()\n",
    "\n",
    "**Reference:** ETSI GS MEC 030 V3.2.1 (2024-02) Clause 6.5.13 Type: LinkType\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [],
   "source": [
    "class LinkType(object):\n",
    "    swagger_types = {'href': 'str'}\n",
    "    attribute_map = {'href': 'href'}\n",
    "    def __init__(self, href=None):  # noqa: E501\n",
    "        self._href = None\n",
    "        if href is not None:\n",
    "            self._href = href\n",
    "    @property\n",
    "    def href(self):\n",
    "        return self._href\n",
    "    @href.setter\n",
    "    def href(self, href):\n",
    "        self._href = href\n",
    "    def to_dict(self):\n",
    "        result = {}\n",
    "        for attr, _ in six.iteritems(self.swagger_types):\n",
    "            value = getattr(self, attr)\n",
    "            if isinstance(value, list):\n",
    "                result[attr] = list(map(\n",
    "                    lambda x: x.to_dict() if hasattr(x, 'to_dict') else x,\n",
    "                    value\n",
    "                ))\n",
    "            elif hasattr(value, 'to_dict'):\n",
    "                result[attr] = value.to_dict()\n",
    "            elif isinstance(value, dict):\n",
    "                result[attr] = dict(map(\n",
    "                    lambda item: (item[0], item[1].to_dict())\n",
    "                    if hasattr(item[1], 'to_dict') else item,\n",
    "                    value.items()\n",
    "                ))\n",
    "            else:\n",
    "                result[attr] = value\n",
    "        if issubclass(LinkType, dict):\n",
    "            for key, value in self.items():\n",
    "                result[key] = value\n",
    "        return result\n",
    "    def to_str(self):\n",
    "        return pprint.pformat(self.to_dict())\n",
    "    def __repr__(self):\n",
    "        return self.to_str()\n",
    "    def __eq__(self, other):\n",
    "        if not isinstance(other, LinkType):\n",
    "            return False\n",
    "        return self.__dict__ == other.__dict__\n",
    "    def __ne__(self, other):\n",
    "        return not self == other\n",
    "\n",
    "class Links(object):\n",
    "    swagger_types = {'self': 'LinkType'}\n",
    "    attribute_map = {'self': 'self'}\n",
    "    def __init__(self, self_=None):  # noqa: E501\n",
    "        self._self = None\n",
    "        if self_ is not None:\n",
    "            self._self = self_\n",
    "    @property\n",
    "    def self_(self):\n",
    "        return self._self\n",
    "    @self_.setter\n",
    "    def self_(self, self_):\n",
    "        self._self = self_\n",
    "    def to_dict(self):\n",
    "        result = {}\n",
    "        for attr, _ in six.iteritems(self.swagger_types):\n",
    "            value = getattr(self, attr)\n",
    "            if isinstance(value, list):\n",
    "                result[attr] = list(map(\n",
    "                    lambda x: x.to_dict() if hasattr(x, 'to_dict') else x,\n",
    "                    value\n",
    "                ))\n",
    "            elif hasattr(value, 'to_dict'):\n",
    "                result[attr] = value.to_dict()\n",
    "            elif isinstance(value, dict):\n",
    "                result[attr] = dict(map(\n",
    "                    lambda item: (item[0], item[1].to_dict())\n",
    "                    if hasattr(item[1], 'to_dict') else item,\n",
    "                    value.items()\n",
    "                ))\n",
    "            else:\n",
    "                result[attr] = value\n",
    "        if issubclass(Links, dict):\n",
    "            for key, value in self.items():\n",
    "                result[key] = value\n",
    "        return result\n",
    "    def to_str(self):\n",
    "        return pprint.pformat(self.to_dict())\n",
    "    def __repr__(self):\n",
    "        return self.to_str()\n",
    "    def __eq__(self, other):\n",
    "        if not isinstance(other, Links):\n",
    "            return False\n",
    "        return self.__dict__ == other.__dict__\n",
    "    def __ne__(self, other):\n",
    "        return not self == other\n",
    "\n",
    "class TimeStamp(object):\n",
    "    swagger_types = {'seconds': 'int', 'nano_seconds': 'int'}\n",
    "    attribute_map = {'seconds': 'seconds', 'nano_seconds': 'nanoSeconds'}\n",
    "    def __init__(self, seconds=None, nano_seconds=None):  # noqa: E501\n",
    "        self._seconds = None\n",
    "        self._nano_seconds = None\n",
    "        if seconds is not None:\n",
    "            self._seconds = seconds\n",
    "        if nano_seconds is not None:\n",
    "            self._nano_seconds = nano_seconds\n",
    "    @property\n",
    "    def seconds(self):\n",
    "        return self._seconds\n",
    "    @seconds.setter\n",
    "    def seconds(self, seconds):\n",
    "        self._seconds = seconds\n",
    "    @property\n",
    "    def nano_seconds(self):\n",
    "        return self._nano_seconds\n",
    "    @nano_seconds.setter\n",
    "    def nano_seconds(self, nano_seconds):\n",
    "        self._nano_seconds = nano_seconds\n",
    "    def to_dict(self):\n",
    "        result = {}\n",
    "        for attr, _ in six.iteritems(self.swagger_types):\n",
    "            value = getattr(self, attr)\n",
    "            if isinstance(value, list):\n",
    "                result[attr] = list(map(\n",
    "                    lambda x: x.to_dict() if hasattr(x, 'to_dict') else x,\n",
    "                    value\n",
    "                ))\n",
    "            elif hasattr(value, 'to_dict'):\n",
    "                result[attr] = value.to_dict()\n",
    "            elif isinstance(value, dict):\n",
    "                result[attr] = dict(map(\n",
    "                    lambda item: (item[0], item[1].to_dict())\n",
    "                    if hasattr(item[1], 'to_dict') else item,\n",
    "                    value.items()\n",
    "                ))\n",
    "            else:\n",
    "                result[attr] = value\n",
    "        if issubclass(TimeStamp, dict):\n",
    "            for key, value in self.items():\n",
    "                result[key] = value\n",
    "        return result\n",
    "    def to_str(self):\n",
    "        return pprint.pformat(self.to_dict())\n",
    "    def __repr__(self):\n",
    "        return self.to_str()\n",
    "    def __eq__(self, other):\n",
    "        if not isinstance(other, TimeStamp):\n",
    "            return False\n",
    "        return self.__dict__ == other.__dict__\n",
    "    def __ne__(self, other):\n",
    "        return not self == other"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The cell below implements the V2xMsgSubscription data structure.\"}\n",
    "Reference: ETSI GS MEC 030 V3.2.1 (2024-02) Clause 6.3.5 Type: V2xMsgSubscription\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [],
   "source": [
    "class V2xMsgSubscription(object):\n",
    "    swagger_types = {'links': 'Links', 'callback_reference': 'str', 'filter_criteria': 'V2xMsgSubscriptionFilterCriteria', 'request_test_notification': 'bool', 'subscription_type': 'str'}\n",
    "    attribute_map = {'links': 'Links', 'callback_reference': 'callbackReference', 'filter_criteria': 'filterCriteria', 'request_test_notification': 'requestTestNotification', 'subscription_type': 'subscriptionType'}\n",
    "    def __init__(self, links=None, callback_reference=None, filter_criteria=None, request_test_notification=None):  # noqa: E501\n",
    "        self._links = None\n",
    "        self._callback_reference = None\n",
    "        self._filter_criteria = None\n",
    "        self._request_test_notification = None\n",
    "        self._subscription_type = \"V2xMsgSubscription\"\n",
    "        if links is not None:\n",
    "            self.links = links\n",
    "        if callback_reference is not None:\n",
    "            self.callback_reference = callback_reference\n",
    "        if filter_criteria is not None:\n",
    "            self.filter_criteria = filter_criteria\n",
    "        if request_test_notification is not None:\n",
    "            self.request_test_notification = request_test_notification\n",
    "    @property\n",
    "    def links(self):\n",
    "        return self._links\n",
    "    @links.setter\n",
    "    def links(self, links):\n",
    "        self_.links = links\n",
    "    @property\n",
    "    def callback_reference(self):\n",
    "        return self._callback_reference\n",
    "    @callback_reference.setter\n",
    "    def callback_reference(self, callback_reference):\n",
    "        self._callback_reference = callback_reference\n",
    "    @property\n",
    "    def links(self):\n",
    "        return self._links\n",
    "    @links.setter\n",
    "    def links(self, links):\n",
    "        self._links = links\n",
    "    @property\n",
    "    def filter_criteria(self):\n",
    "        return self._filter_criteria\n",
    "    @filter_criteria.setter\n",
    "    def filter_criteria(self, filter_criteria):\n",
    "        self._filter_criteria = filter_criteria\n",
    "    @property\n",
    "    def request_test_notification(self):\n",
    "        return self._request_test_notification\n",
    "    @request_test_notification.setter\n",
    "    def request_test_notification(self, request_test_notification):\n",
    "        self._request_test_notification = request_test_notification\n",
    "    @property\n",
    "    def subscription_type(self):\n",
    "        return self._subscription_type\n",
    "    def to_dict(self):\n",
    "        result = {}\n",
    "        for attr, _ in six.iteritems(self.swagger_types):\n",
    "            value = getattr(self, attr)\n",
    "            if isinstance(value, list):\n",
    "                result[attr] = list(map(\n",
    "                    lambda x: x.to_dict() if hasattr(x, 'to_dict') else x,\n",
    "                    value\n",
    "                ))\n",
    "            elif hasattr(value, 'to_dict'):\n",
    "                result[attr] = value.to_dict()\n",
    "            elif isinstance(value, dict):\n",
    "                result[attr] = dict(map(\n",
    "                    lambda item: (item[0], item[1].to_dict())\n",
    "                    if hasattr(item[1], 'to_dict') else item,\n",
    "                    value.items()\n",
    "                ))\n",
    "            else:\n",
    "                result[attr] = value\n",
    "        if issubclass(V2xMsgSubscription, dict):\n",
    "            for key, value in self.items():\n",
    "                result[key] = value\n",
    "        return result\n",
    "    def to_str(self):\n",
    "        return pprint.pformat(self.to_dict())\n",
    "    def __repr__(self):\n",
    "        return self.to_str()\n",
    "    def __eq__(self, other):\n",
    "        if not isinstance(other, V2xMsgSubscription):\n",
    "            return False\n",
    "        return self.__dict__ == other.__dict__\n",
    "    def __ne__(self, other):\n",
    "        return not self == other\n",
    "\n",
    "class V2xMsgSubscriptionFilterCriteria(object):\n",
    "    swagger_types = {'msg_type': 'list[str]', 'std_organization': 'str'}\n",
    "    attribute_map = {'msg_type': 'MsgType', 'std_organization': 'stdOrganization'}\n",
    "    def __init__(self, msg_type, std_organization):  # noqa: E501\n",
    "        self._msg_type = None\n",
    "        self._std_organization = None\n",
    "        self.msg_type = msg_type\n",
    "        self.std_organization = std_organization\n",
    "    @property\n",
    "    def msg_type(self):\n",
    "        return self._msg_type\n",
    "    @msg_type.setter\n",
    "    def msg_type(self, msg_type):\n",
    "        self._msg_type = msg_type\n",
    "    @property\n",
    "    def std_organization(self):\n",
    "        return self._std_organization\n",
    "    @std_organization.setter\n",
    "    def std_organization(self, std_organization):\n",
    "        self._std_organization = std_organization\n",
    "    def to_dict(self):\n",
    "        result = {}\n",
    "        for attr, _ in six.iteritems(self.swagger_types):\n",
    "            value = getattr(self, attr)\n",
    "            if isinstance(value, list):\n",
    "                result[attr] = list(map(\n",
    "                    lambda x: x.to_dict() if hasattr(x, 'to_dict') else x,\n",
    "                    value\n",
    "                ))\n",
    "            elif hasattr(value, 'to_dict'):\n",
    "                result[attr] = value.to_dict()\n",
    "            elif isinstance(value, dict):\n",
    "                result[attr] = dict(map(\n",
    "                    lambda item: (item[0], item[1].to_dict())\n",
    "                    if hasattr(item[1], 'to_dict') else item,\n",
    "                    value.items()\n",
    "                ))\n",
    "            else:\n",
    "                result[attr] = value\n",
    "        if issubclass(V2xMsgSubscriptionFilterCriteria, dict):\n",
    "            for key, value in self.items():\n",
    "                result[key] = value\n",
    "        return result\n",
    "    def to_str(self):\n",
    "        return pprint.pformat(self.to_dict())\n",
    "    def __repr__(self):\n",
    "        return self.to_str()\n",
    "    def __eq__(self, other):\n",
    "        if not isinstance(other, V2xMsgSubscriptionFilterCriteria):\n",
    "            return False\n",
    "        return self.__dict__ == other.__dict__\n",
    "    def __ne__(self, other):\n",
    "        return not self == other"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Here is the V2X message subscription function. The HTTP Request message body contains a 'JSON' serialized instance of the class V2xMsgSubscription.\n",
    "\n",
    "Reference: ETSI GS MEC 030 V3.2.1 (2024-02) Clause 5.5.10 V2X message interoperability\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [],
   "source": [
    "def subscribe_v2x_message(sandbox_name: str, v2xMsgSubscription: V2xMsgSubscription) -> object:\n",
    "    \"\"\"\n",
    "    Request to subscribe the V2X messages which come from different vehicle OEMs or operators\n",
    "    :param sandbox_name: The MEC Sandbox instance to use\n",
    "    :param app_inst_id: The MEC application instance identifier\n",
    "    :param sub_id: The subscription identifier\n",
    "    :return The HTTP response, the HTTP response status, the subscription identifier and the subscription URL on success, None otherwise\n",
    "    :see ETSI GS MEC 030 V3.2.1 (2024-02) Clause 5.5.10 V2X message interoperability\n",
    "    \"\"\"\n",
    "    global MEC_PLTF, logger, service_api\n",
    "\n",
    "    logger.debug('>>> subscribe_v2x_message: v2xMsgSubscription: ' + str(v2xMsgSubscription))\n",
    "    try:\n",
    "        url = '/{sandbox_name}/{mec_pltf}/vis/v2/subscriptions'\n",
    "        logger.debug('subscribe_v2x_message: url: ' + url)\n",
    "        path_params = {}\n",
    "        path_params['sandbox_name'] = sandbox_name\n",
    "        path_params['mec_pltf'] = MEC_PLTF\n",
    "        header_params = {}\n",
    "        # HTTP header `Accept`\n",
    "        header_params['Accept'] = 'application/json'  # noqa: E501\n",
    "        # HTTP header `Content-Type`\n",
    "        header_params['Content-Type'] = 'application/json'  # noqa: E501\n",
    "        (result, status, headers) = service_api.call_api(url, 'POST', header_params=header_params, path_params=path_params, body=v2xMsgSubscription, async_req=False)\n",
    "        return (result, status, extract_sub_id(headers['Location']), headers['Location'])\n",
    "    except ApiException as e:\n",
    "        logger.error('Exception when calling call_api: %s\\n' % e)\n",
    "    return None\n",
    "    # End of function subscribe_v2x_message"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Here is a generic function to delete any MEC service subscription based on the subscription resource URL provided in the Location header of the subscription creation response."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [],
   "source": [
    "def delete_mec_subscription(resource_url: str) -> int:\n",
    "    \"\"\"\n",
    "    Delete any existing MEC subscription\n",
    "    :param resource_url: The subscription URL\n",
    "    :return 0 on success, -1 otherwise\n",
    "    \"\"\"\n",
    "    global MEC_PLTF, logger, service_api\n",
    "\n",
    "    logger.debug('>>> delete_mec_subscription: resource_url: ' + resource_url)\n",
    "    try:\n",
    "        res = urllib3.util.parse_url(resource_url)\n",
    "        if res is None:\n",
    "            logger.error('delete_mec_subscription: Failed to paerse URL')\n",
    "            return -1\n",
    "        header_params = {}\n",
    "        # HTTP header `Accept`\n",
    "        header_params['Accept'] = 'application/json'  # noqa: E501\n",
    "        # HTTP header `Content-Type`\n",
    "        header_params['Content-Type'] = 'application/json'  # noqa: E501\n",
    "        service_api.call_api(res.path, 'DELETE', header_params=header_params, async_req=False)\n",
    "        return 0\n",
    "    except ApiException as e:\n",
    "        logger.error('Exception when calling call_api: %s\\n' % e)\n",
    "    return -1\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Finaly, here is how to implement the V2X message subscription:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def process_main():\n",
    "    \"\"\"\n",
    "    This is the second sprint of our skeleton of our MEC application:\n",
    "        - Mec application setup\n",
    "        - Subscribe to V2XMessage\n",
    "        - Delete subscription\n",
    "        - Mec application termination\n",
    "    \"\"\" \n",
    "    global MEC_PLTF, CALLBACK_URI, logger\n",
    "\n",
    "    logger.debug('Starting at ' + time.strftime('%Y%m%d-%H%M%S'))\n",
    "    logger.debug('\\t pwd= ' + os.getcwd())\n",