https://github.com/serngawy/libopenflow

https://github.com/serngawy/libopenflow

golang openflow openflow-app openflow-controller

Last synced: about 1 year ago
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• Host: GitHub
• URL: https://github.com/serngawy/libopenflow
• Owner: serngawy
• License: apache-2.0
• Created: 2018-02-27T17:32:39.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2018-11-05T19:16:24.000Z (over 7 years ago)
• Last Synced: 2025-02-17T11:24:57.187Z (over 1 year ago)
• Topics: golang, openflow, openflow-app, openflow-controller
• Language: Go
• Size: 113 KB
• Stars: 1
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
## LibOpenflow and OF controller

Ofctrl implements a simple openflow controller using libOpenflow.

ofapp is the interface for Applcations "Consumers" in order to receiv events from the OF-Switch such as; connected, disconnected and packet-received.

# OF App implements the ConsumerInterface

    type OfApp struct {

      Switch *OFSwitch

    }

    func (o *OfApp) PacketRcvd(sw *OFSwitch, packet *openflow13.PacketIn) {

      log.Printf("App: Received packet: %+v", packet)

    }

    func (o *OfApp) SwitchConnected(sw *OFSwitch) {

      log.Printf("App: Switch connected: %v", sw.DPID())

      // Store switch for later use

      o.Switch = sw

    }

    func (o *OfApp) SwitchDisconnected(sw *OFSwitch) {

      log.Printf("App: Switch disconnected: %v", sw.DPID())

    }

    func (o *OfApp) MultipartReply(sw *OFSwitch, rep *openflow13.MultipartReply) {

      log.Println(rep.Body)

    }

# Example:

    func testExample() {

      // Main app

      var app ofctrl.OfApp

      // Create a controller

      ctrler := ofctrl.NewController(&app)

      // start listening

      ctrler.Listen(":6633")

    }

# Build:

We assume you already installed golang and dep. If not check the below links for more info

- install golang

 https://golang.org/doc/install

- install dep

 https://github.com/golang/dep/blob/master/docs/installation.md

To build the binary execute the ./build.sh script, it will create ofctrl binary under the $GOPATH bin directory.

Execute the ofctrl binary using the following command:

        $ sudo ./ofctrl