[kura-dev] FW: [cf-dev] I: I: CoAP support in Kura through Eclipse Calif

[Benjamin Cabé <benjamin@xxxxxxxxxxx>]

FYI – Buddhika, do not hesitate to post CoAP/Californium related on the
Californium mailing list!
https://dev.eclipse.org/mailman/listinfo/cf-dev


Benjamin


Le 24/07/2014 08:02, « Julien Vermillard » <jvermillard@xxxxxxxxx> a écrit
:

>Hi,
>Thanks Benjamin for the head-up.
>
>Yes you need to consume Calfornium from the eclipse repo for having
>the last version, the one in maven central is frozen (pre-eclipse).
>
>If you need any help, don't hesitate to ping us on the cf-dev mailling
>list.
>
>Julien
>--
>Julien Vermillard :::: http://people.apache.org/~jvermillard/
>
>
>On Thu, Jul 24, 2014 at 2:06 AM, Benjamin Cabé <benjamin@xxxxxxxxxxx>
>wrote:
>> [cross-posting to Californium mailing list]
>> Californium is now properly moved to Eclipse.org and I believe Matthias
>>and
>> Julien from Californium have worked on making the
>>org.eclipse.californium
>> bundle available on repo.eclipse.org [1] so you should most certainly
>> consume Californium from there since this is where you can make sure to
>>get
>> the latest version.
>>
>> Benjamin.
>>
>>
>> [1] https://repo.eclipse.org/index.html#nexus-search;quick~californium
>>
>>
>> De : "De Alti, Cristiano" <Cristiano.DeAlti@xxxxxxxxxxxx>
>> Répondre à : Kura Developers mailing list <kura-dev@xxxxxxxxxxx>
>> Date : Wed, 23 Jul 2014 21:48:39 +0000
>> À : Kura Developers mailing list <kura-dev@xxxxxxxxxxx>
>> Objet : [kura-dev] I: I: CoAP support in Kura through Eclipse
>>Californium
>>
>> Hi Buddhika,
>>
>> Sorry for the late answer.
>>
>>
>> I agree with your analysis.
>>
>> Please go ahead and add an org.eclipse.kura.core.data.transport.coap in
>>to
>> the org.eclipse.kura.core bundle.
>>
>>
>> About adding Californium to the Kura target platform, you can find an
>> Californium OSGi bundle on the maven repository:
>>
>>
>>
>> 
>>http://mvnrepository.com/artifact/ch.ethz.inf.vs/californium-osgi/0.18.7-
>>final
>>
>>
>> I'm not sure it's the latest version but adding this to Kura should be
>>as
>> simple as adding the following dependency to
>> target-platform/p2-repo-common/pom.xml:
>>
>>
>> <dependency>
>>     <groupId>ch.ethz.inf.vs</groupId>
>>     <artifactId>californium-osgi</artifactId>
>>     <version>0.18.7-final</version>
>> </dependency>
>>
>>
>> Add this to the existing dependencies fetched from the maven repository.
>> Just look for the comment:
>>
>> <!-- copied from Maven central repository -->
>>
>> in the above pom file. You should not need anything else.
>>
>>
>> At this point you should simply build the target platform again with
>>maven
>> and set the target platform in Eclipse.
>>
>>
>> Now you should be able to work with Californium in Eclipse and with
>>Maven
>> adding the required Californium packages in the Import-Package clause
>>of the
>> org.eclipse.kura.core bundle.
>>
>>
>> About the DataTransportService implementation selection, either the
>> MqttDataTransport or the CoapDataTransport, I guess we will only need
>>one at
>> a time. We will figure out the details on how to achieve this.
>>
>> For the time being, just delete or remove the 'xml' extension to the
>>file
>> kura/org-eclipse.kura.core/OSGI-INF/mqttDataTrasport.xml component
>> definition. In this way the MqttDataTransport component will not be
>> activated.
>>
>> Add a coapDataTransport.xml component definition for your
>>CoapDataTransport.
>>
>>
>> Please let me know your opinion.
>>
>>
>> Ciao,
>>
>> Cristiano
>>
>> ________________________________
>> Da: Buddhika Dilhan <buddhika.dilhan5@xxxxxxxxx>
>> Inviato: venerdì 18 luglio 2014 19.55
>> A: De Alti, Cristiano
>> Oggetto: Re: I: [kura-dev] CoAP support in Kura through Eclipse
>>Californium
>>
>>
>> Hi Cristiano,
>>
>>
>> I'm sorry about stopping Kura project for two week. I'm working on that
>> project from three days and I think I can continue this project without
>>any
>> disturbances. :)
>>
>>
>> In these days, I first look at the example projects in
>> https://github.com/eclipse/californium it gave a clear idea on how to
>>use
>> californium library.
>>
>>
>> Then I analyzed the org.eclipse.kura.example.publisher project. In that
>> project I identified several data flows. For examples
>>
>>
>> Publisher → CloudService → CloudServiceImpl → CloudClient →
>>CloudClientImpl
>> → DataService
>>
>>
>> publisher → CloudClient → CloudClientImpl → DataService →
>>DataServiceImpl →
>> DataStore → DbDataStore
>>
>>
>> Publisher → CloudService → CloudServiceImpl →DataService →
>>DataServiceImpl
>> →DataTransportService → MqttDataTransport
>>
>>
>> In this project, communication with the server is happen through
>> DataTransportService and MqttDataTransport classes. So that I think we
>> should start our re implementation of the transport layer by adding a
>> package called org.eclipse.kura.core.data.transport.coap in to the
>> org.eclipse.kura.core bundle.
>>
>>
>> We can import californium library to the project by adding following
>>lines
>> to the poem file of the bundle.
>>
>>
>> <dependencies>
>>
>> <dependency>
>>
>> <groupId>org.eclipse.californium</groupId>
>>
>> <artifactId>californium-core</artifactId>
>>
>> <version>1.0.0-SNAPSHOT</version>
>>
>> </dependency>
>>
>> </dependencies>
>>
>>
>> <repositories>
>>
>> <repository>
>>
>> <id>californium-releases</id>
>>
>> <name>Californium Repository - Releases</name>
>>
>> 
>><url>https://repo.eclipse.org/content/repositories/californium-releases/<
>>/url>
>>
>> </repository>
>>
>> <repository>
>>
>> <id>californium-snapshots</id>
>>
>> <name>Californium Repository - Snapshots</name>
>>
>> 
>><url>https://repo.eclipse.org/content/repositories/californium-snapshots/
>></url>
>>
>> </repository>
>>
>> </repositories>
>>
>> in the bundle that I said first i'm going to implement the
>> CoapDataTransport.java class.
>>
>>
>>
>> So, this is my current plan. After implementing this class we can think
>> about how to connect this class with the hierarchy.
>>
>>
>> Please give me a comment on this implementation plan. I would be very
>>happy
>> if you can give me an idea on how we are going to determine the protocol
>> which we use for the communication in the application level?
>>
>> Thank you very much.
>>
>>
>> Buddhika Dilhan
>> Undergraduate,
>> Department of Computer Science and Engineering,
>> University of Moratuwa.
>>
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