Comments (8)
May I ask which is this very similar mechanism?
from iotagent-json.
Of course :) I was talking about what's referred in the protocol as Configuration Retrieval. That's a mechanism that lets the device ask the IoT Agent for particular pieces of information, that the IoT will read, in turn from the Context Broker (both things asynchronously, of course). This mechanism currently works with on single requests from the device, but I'm working on a feature to enable subscriptions to particular pieces of information (this functionality has already been implemented in the IoT Agent Library). Processing a notification and a relayed Context Provisioning request are quite similar tasks, and probably could be dealt with using the same functions with not so many changes.
from iotagent-json.
@dmoranj do you have in mind that device subscribes to the topic /{{apikey}}/{{deviceid}}/commands
and listen here for the command coming from Orion, and then respond to this command via /{{apikey}}/{{deviceid}}/replies
?
from iotagent-json.
Mostly yes. I will probably change the subscription topic, as I prefer to have one-way tokens to ease the creation of ACLs in the MQTT broker, but it will work that way: the client subscribes to a topic where the commands will arrive, and will reply to another topic. In fact, this functionality has been implemented for the MQTT transport of the Ultralight IoT Agent, as you can see here, so most probably we will reuse those topics.
from iotagent-json.
Hello,
I have a sensor-actuator registered in orion using iot-agent and I created the subscription.
If a third party application modifies a sensor value, orion must send iot-agent information and iot-agent to the device.
For example, if I have 3 attributes inside the sensor and one of them controls a valve.
In orion that attribute is true or false.
If the attribute is modified in orion must be sent to IOT-agent and IOT-agent to the device to close or open the valve
Is it possible?
from iotagent-json.
@amfgomez what you describe seems to be a question about IOTA-CB integration rather than a comment on the issue of passive attributes. I'd suggest to use StackOverflow to post such question: https://stackoverflow.com/questions/ask. Please, use the "fiware" label. Thanks!
from iotagent-json.
https://stackoverflow.com/questions/52499615/modify-attribute-on-device-by-iot-agent-json
from iotagent-json.
https://github.com/telefonicaid/iotagent-json/blob/master/docs/usermanual.md includes this note:
IMPORTANT NOTE: current version of the agent only supports active attributes, i.e. those attributes actively reported by the device to the agent. Passive or lazy attributes, i.e. those attributes whose value is only given upon explicit request from the agent, are not implemented. Please check the issue #89 for more details and updates regarding its implementation.
That note should be removed once this issue gets completed.
from iotagent-json.
Related Issues (20)
- Subscribe to a specific MQTT topic HOT 1
- 400 when use ``` "entity_name": "'David:Prueba'" ``` HOT 2
- No plain text command return option HOT 1
- Payload measures are lost after reconnection with Orion.
- iotagent- json should be used in place of iotagent-ul in commandsPolling-test.js HOT 2
- existing entities are overwritten when creating a device HOT 4
- MongoDB connection, authentication failed HOT 9
- Fiware IoT Agent json is changing the service path of incoming messages if it is high load HOT 14
- Support of Content Type: application/soap+xml HOT 4
- iotaJsonTester.js is missing from the repository HOT 3
- Allow ingest ngsiv2/ngsild as measure for iotagent HOT 2
- Differences between `explicitAttrs` behaviour at lib and at agent level HOT 6
- Support \t in Content-Type header HOT 2
- constants.DEFAULT_ATTRIBUTE_TYPE is string instead of Text HOT 3
- include apikey error log at measure procesing HOT 1
- Keep order from a multimeasure to Orion CB HOT 4
- The agent does not send data to the Orion Context Broker with a request payload of 566 KB HOT 9
- Broken link in README.md HOT 2
- Attributes name & static attributes not mapped in Orion when inserted in the Device provisioning phase HOT 6
- modify apikey in a provisioned device HOT 7
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from iotagent-json.