add callback functions for setvalue msgs

ml/thing.py

@@ -6,11 +6,11 @@
 import uuid
 import time
 import copy
-from s3i import IdentityProvider, TokenType, GetValueReply, Directory
+from s3i import IdentityProvider, TokenType, Directory
 from s3i import Repository
 import s3i.exception
 from s3i.broker import Broker, BrokerREST
-from s3i.messages import ServiceReply
+from s3i.messages import ServiceReply, GetValueReply, SetValueReply
 from ml.tools import find_broker_endpoint
 from ml.app_logger import APP_LOGGER
 
@@ -445,6 +445,10 @@ def __on_broker_callback(self, ch, method, properties, body):
                 self.on_get_value_reply(body)
             elif message_type == "serviceReply":
                 self.on_service_reply(body)
+            elif message_type == "setValueRequest":
+                self.on_set_value_request(body)
+            elif message_type == "setValueReply":
+                self.on_set_value_reply(body)
             else:
                 ### TODO send user message reply back
                 pass
@@ -734,6 +738,55 @@ def on_service_request(self, body_json):
             else:
                 APP_LOGGER.critical(__log)
 
+    def on_set_value_request(self, msg):
+        """Handles incoming S³I-B SetValueRequest. Prints the content of msg to stdout.
+
+        :param msg: GetValueReply
+
+        """
+        __log = "[S3I][Broker]: You have received a S3I-B SetValueRequest"
+        APP_LOGGER.info(__log)
+
+        set_value_reply = SetValueReply()
+        request_sender = msg.get("sender")
+        request_msg_id = msg.get("identifier")
+        request_sender_endpoint = msg.get("replyToEndpoint")
+        attribute_path = msg.get("attributePath")
+        new_value = msg.get("newValue")
+        reply_msg_uuid = "s3i:" + str(uuid.uuid4())
+
+        try:
+            __log = "[S3I]: Search the given attribute path: {}".format(attribute_path)
+            APP_LOGGER.info(__log)
+            self._uriToData(attribute_path)
+            self.dt_json[attribute_path] = new_value
+            result = True
+        except KeyError:
+            __log = "[S3I]: Invalid attribute path"
+            APP_LOGGER.critical(__log)
+            result = False
+
+        set_value_reply.fillSetValueReply(
+            senderUUID=self.thing_id,
+            receiverUUIDs=[request_sender],
+            ok=result,
+            replyingToUUID=request_msg_id,
+            msgUUID=reply_msg_uuid
+        )
+        res = self.__send_message_to_broker(
+            receiver_endpoints=[request_sender_endpoint],
+            msg=set_value_reply.msg
+        )
+
+        if self.__is_broker_rest:
+            if res.status_code == 201:
+                __log = "[S3I][Broker]: Send S3I-B GetValueReply back to the requester"
+                APP_LOGGER.info(__log)
+            else:
+                __log = "[S3I[Broker]: " + res.text
+                APP_LOGGER.info(__log)
+
+
     def on_get_value_reply(self, msg):
         """Handles incoming S³I-B GetValueReply. Prints the content of msg to stdout.
 
@@ -746,7 +799,7 @@ def on_get_value_reply(self, msg):
         __log = "[S3I][Broker]: You have received a S3I-B GetValueReply"
         APP_LOGGER.info(__log)
         value = msg.get("value", None)
-        if isinstance(value, dict):
+        if isinstance(value, (dict, list)):
             value = json.dumps(value, indent=2)
         __log = "[S3I][Broker]: The queried value is: {0}".format(value)
         APP_LOGGER.info(__log)
@@ -766,6 +819,18 @@ def on_service_reply(self, msg):
         __log = "[S3I][Broker]: The result is: {0}".format(results)
         APP_LOGGER.info(__log)
 
+    def on_set_value_reply(self, msg):
+        """Handles incoming S³I-B SetValueReply. Prints the content of msg to stdout.
+
+        :param msg: GetValueReply
+
+        """
+        __log = "[S3I][Broker]: You have received a S3I-B SetValueReply"
+        APP_LOGGER.info(__log)
+        result = msg.get("ok", None)
+        __log = "[S3I][Broker]: The queried value is: {0}".format(result)
+        APP_LOGGER.info(__log)
+
     def to_dir_json(self):
         """Returns a dictionary representing this thing's directory entry.