Cse591 Midterm Report

1. 
   Project goal
   

2. 
   Project Tasks
   
   1. 
      Setting up Distributed OSGi framework on virtual machine.
      
   2. 
      Setting up Distributed OSGi framework on Android phone.
      
   3. 
      Develop network bundle.
      
   4. 
      Develop service transition bundle.
      
   5. 
      Develop demo bundles which utilize built platform to show its strength.
      
3. 
   Roadmap of the project (midterm/final)
   

4. 
   Technical Details
   

OSGi framework we are using is Felix OSGi. Currently, D-OSGis are running on Window 7 system. However, it’s an easy task to transplant to Linux system or Unix system which is holding by VMs.

Task 1 details:

There are 2 steps to finish this task.

1. 
   Setting up the OSGi Framework in the computer:
   

1.2 Learn and user Felix independent command to control bundles.

1.3 Since Felix OSGi implementation only contains basic bundles, in order to be familiar with the framework, we went through OSGi bundle tutorials and created some bundles.

2. 
   Install the neccesary bundles which are used for different OSGi’s frameworks’ communication.
   

option 1: Multi Bundle Distribution

This distribution is a zip file containing the Distributed OSGi bundles, as well as all their dependencies.

option 2: Single Bundle Distribution:

This is a convenience distribution of a single bundle that embeds all the dependencies.

We chose option 2 and install the following bundles:

• 
  The Greeter Interface bundle
  
• 
  The Greeter Service Implementation bundle
  
• 
  The Greeter Service Consumer bundle
  

Task 2 details:

Technically, we think this task can be decomposed into following steps:

• 
  Transfer the Felix OSGi framework jar files from java machine code to Dalvit machine code.
  
• 
  Transplant these files into Android device (currently, we’re using android emulator).
  
• 
  Transfer the bundles which enable the Distribute OSGi framework.
  
• 
  Run the Distibuted OSGi bundles on Android.
  

• 
  First of all set up the environment variable for android emulator manager and SDK.
  

• 
  For all the jar files:
  

• 
  Firstly, do the ‘dx’ command like following to transfer Java machine code to Dalvit machine code:
  

• 
  Then combine the jar file with the generated .dex file by command:
  

• 
  Then we use ‘Android Debug Bridge’ command to transfer the data from computer to android device:
  

• 
  Once we have pushed all the neccesary bundles into Android phone, we can use following command to launch Felix OSGi:
  

• 
  Then we control the bundles related to Android SDK in the Felix framework.
  
• 
  We made Felix OSGi framework running on Android system.
  
• 
  Difficulty Encountered:
  

However, following errors occurred: (screenshot)

Task 3 & 4 details:

We successfully tested that different OSGis running collaboratively on different OSGi Framework on PC.

There are two options for constructing Distributed OSGi:

Option 1: Multi Bundle Distribution

This distribution is a zip file containing the Distributed OSGi bundles, as well as all their dependencies.

Option 2: Single Bundle Distribution:

This is a convenience distribution of a single bundle that embeds all the dependencies.

We chose option 2 and went through tutorial provided in

http://cxf.apache.org/distributed-osgi-greeter-demo-walkthrough.html

http://cxf.apache.org/dosgi-spring-dm-demo-page.html

Screen Shot: (Here needs a screen shot)

We instructed 2 OSGi framework: Equintox and Felix, Equintox remote call the function in Felix.

Screen shot:

5. 
   Expected Outcomes