Tutorial 3 getting started with omnet

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Tutorial 3 getting started with omnet

  1. 1. ByMohammed Amer Al-Batati 2012
  2. 2.  Start the OMNet IDE:1. Lunch “mingwenv.cmd”2. Type: omnetpp
  3. 3.  Then you will be asked to select the workspace path. Let’s create our own. (e.g.; C:Myworkspace) Click ‘OK’
  4. 4. Overview Workbench Whats New Tutorials Migration
  5. 5.  An OMNeT++ model consists of modules that communicate with message passing. Simple modules can be grouped into compound modules and so forth. The number of hierarchy levels is unlimited.
  6. 6. Gate(s) Input gate (receive data from) Output gate (send data from)Connection (link)Modules communicate by exchanging messages.In an actual simulation, messages can representframes, packets , jobs, etc.
  7. 7.  Go to “Project Explorer” (Window-> Show View-> Project Explorer) Right-Click-> New -> OMNet++ Project Name it (myproject) -> select empty project -> Finish
  8. 8.  Right-Click on “myproject” -> New -> Simple Module Name it (Node.ned) -> A simple module -> Finish
  9. 9.  Double Click on “Node.ned”. A dual-mode (Design and Source) NED editor is opened.
  10. 10.  Double Click on “Node.ned”. A dual-mode (Design and Source) NED editor is opened.
  11. 11.  For now, let our Node with only two gates: input and output gates. Use keyword “gates” followed by “:” to define gates. Use keyword “input” for input gates. Use keyword “output” for output gates. Don’t forget semi-colons or to save your file.
  12. 12.  Go back to “Design” view. By Right-click on Node module, you can modify the module properties (e.g.; base, icon and polygon). Let’s change the icon.
  13. 13.  Let’s create a network with two nodes (node1 and node2) connected to each other. Right-Click on “myproject” -> New -> Network Name it (mynetwork.ned) -> An empty network -> Finish. Still with NED editor, so it can be done using either Design or Source mode.
  14. 14.  One click on module “Node” in ‘Submodules’. Another click on “mynetwork” to create first node. Rename it if needed. Do the same with the other node.
  15. 15.  Connect them together by using “Connection”, which can be founded in Palette. There are three types of channels: Activate “Connection” by clicking on it. Connect Node1 with Node2 by clicking Node1 first then Node2. (From node1 to Node2) Do the same with Node 2.
  16. 16.  By opening the Source mode we will find: CTRL+SHIFT+O To import needed packages. CTRL+SHIFT+F To reformat the NED file. CTRL+SPACE When help is needed.
  17. 17.  lets test what we have done so far. Right-click on “mynetwork.ned” Run As -> OMNet++ Simulator. OK -> OK

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