Hi Justin,

in fact the Android version for Android is the same as the PC version, that is the IBR-DTN Code gets natively cross-compiled for Android. The Java part, just acts as an elaborate wrapper around the daemon: It will start, stop and interface with the daemon. So the Java code you found, deals with communicating with the IBR-DTN daemon through its API port to get a list of neighbors. So in that regard you can call it a client-server model.

The Neighbor Discovery Code itself is implemented in the IBR-DTN Daemon itself. If you want to start into digging into the daemons code your starting point would be the IPNDAgent and DiscoveryAgent code here http://www.ibr.cs.tu-bs.de/trac/ibr-dtn/browser/trunk/ibrdtn/daemon/src/net

MfG

Sebastian

Am 30.01.2013 um 15:34 schrieb justin@gardettoengineering.com:

Hello,

I am trying to locate the code that implements the neighbor discovery for the Android applications. So far, I have found:

• NeighborList.java in ibrdtn/de.tubs.ibr.dtn.daemon calls service.getNeighbors().
• getNeighbors() (found in the Java API (ibrdtnlib)) calls query("neighbor list") and _receiver.getList().
• query(cmd) calls _writer.write(cmd) which writes out a buffer.
• _receiver.getList() returns a list that seems to be populated by a read from the same socket used above.

This seems to me to be the client side of the client/server model. I think I need to find the server side to find the neighbor discovery implementation. Any help would be much appreciated.

Sincerely,

Justin

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