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bjoern.butzin created page: home
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Sep 08, 2016
by
Björn Butzin
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@@ -186,26 +186,27 @@ Client
Temperature
<
21
-
>
off
1.
Use the eventing mechanism CoAP-Observe (Server.java, TODO 10):
•
Mark the TemperatureResource as observable
*
Mark the TemperatureResource as observable
`resource.setObservable(true);`
2.
Let server notify clients every 5 s about changed TemperatureResource (Server.java, TODO 11):
*
indicate a change for resource every 5 seconds
`while (true) {`
try {Thread.sleep(5000);}
`
catch (InterruptedException e) {/*do nothing*/}`
resource.changed();
`
}`
*
indicate a change for resource every 5 seconds
`while (true) {`
` try {Thread.sleep(5000);}`
` catch (InterruptedException e) {/*do nothing*/}`
` resource.changed();`
`}`
*
Use the „Tasks“ view of Eclipse to find the right places
*
Solve only TODO 10-15 as described by the following instructions - ignore other TODOs or FIXMEs
3.
Implement an Air Conditioner Resource with the path “/ACControl”, that can be set to “high”,
“medium”, “low” or “off” (Client.java & Server.java, TODO 12-15):
*
Change exitAfterResponse to false (Client.java, TODO 12)
*
Add the observe-option to your CoAP-GET request (Client.java, TODO 13)
*
Change exitAfterResponse to false (Client.java, TODO 12)
*
Add the observe-option to your CoAP-GET request (Client.java, TODO 13)
`request.setObserveOption(0);`
*
add a BasicCoapResource to the ResourceServer (Server.java, TODO 14)
*
add a BasicCoapResource to the ResourceServer (Server.java, TODO 14)
resourceServer.createResource( newBasicCoapResource(“/ACControl”,”off”,CoapMediaType.text_plain));
*
send PUT request (Client.java, TODO 15)
*
send PUT request (Client.java, TODO 15)
`CoapRequest request = clientChannel.createRequest(true, CoapRequestCode.PUT);`
`request.setUriPath(“/ACControl”);`
`request.setContentType(CoapMediaType.text_plain);`
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