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

[Julien Vermillard <jvermillard@xxxxxxxxx>]

(reposting I forgot to CC the kura dev list)

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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