Follow the steps below to start the simple agent fire alarm.
Navigate to the location of the unzipped device agent file on your terminal. Example: Navigate to the device agent file, which is in the <IOTS_HOME>/device_agents/virtual_firealarm directory.
Code Block
cd <IOTS_HOME>/device_agents/virtual_firealarm
Start the virtual fire alarm.
Code Block
sh start-device.sh
Once you start your virtual fire alarm, the fire alarm emulator will pop up.
Anchor
simple_agent_tryout
simple_agent_tryout
Try out the virtual fire alarm
Once you start your virtual fire alarm, you can try out the following actions:
Action
Description
View device details
Click the Image Modified icon, and click Device Management. Select the virtual fire alarm device you created from your devices, and view the device details, carry out operations, and monitor real-time data.
Image Modified
Ring the fire alarm
Click Control buzzer under Operations on the Device Details page Image Modified
Enter On to ring the fire alarm, and click Send to Device. Enter Off to stop the ringing. Image Modified
Localtab
id
advancedagent
title
Advanced Agent
Follow the steps below to define a policy for the fire alarm device and start the advanced agent fire alarm.
Click the icon, and click Policy Management.
Click Add New Policy and select the Virtual Fire Alarm platform.
Configure a policy using the Siddhi Query Language and click Continue. The following is an example of a policy you can use for the Fire Alarm device. See Adding a Policy for more information on how to add your own policy.
Code Block
define stream fireAlarmEventStream (deviceID string, temp int);
from fireAlarmEventStream#window.time(3010 sec)
select deviceID, max(temp) as maxValue
group by deviceID
insert into analyzeStream for expired-events;
from analyzeStream[maxValue < 50]
select maxValue
insert into bulbOnStream;
from fireAlarmEventStream[temp > 50]
select deviceID, temp
insert into bulbOffStream;
Assign the policy to user roles or users and select an action to be triggered upon non-compliance. For example, you can assign the policy to the admin user role and select Enforce as the action upon non-compliance. For more information, see Adding a Policy.
Enter a name and description for the policy and click Publish. When you start the fire alarm device, this policy will be assigned to the device.
Navigate to the location of the unzipped device agent file on your terminal. Example: Navigate to the device agent file, which is in the <IOTS_HOME>/device_agents/virtual_firealarm directory.
Code Block
cd <IOTS_HOME>/device_agents/virtual_firealarm
Start the virtual fire alarm.
Code Block
sh start-device.sh
Once you start your virtual fire alarm, the fire alarm emulator will pop up.
Anchor
advanced_agent_tryout
advanced_agent_tryout
Try out the virtual fire alarm
Once you start your virtual fire alarm, you can try out the following actions:
Action
Description
View device details
Click the Image Modified icon, and click Device Management. Select the virtual fire alarm device you created from your devices, and view the device details, carry out operations, and monitor real-time data.
Image Modified
Ring the fire alarm
On the emulator, enter a temperature lower than 50°. The buzzer will start ringing.
Enter a temperature higher than 50° to stop the ringing.
Note that the buzzer now works according to the policy you defined above.
