File Overlay/Chord/Chord.ned

Contains:

//
// Copyright (C) 2006 Institut fuer Telematik, Universitaet Karlsruhe (TH)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//

//
// The main module of the Chord implementation
//
// @author Ingmar Baumgart, Markus Mauch
//
simple Chord

    parameters:
        localPort : numeric,         // UDP port for Chord messages
        debugOutput : bool,          // enable debug output
        keyLength : numeric,         // overlay key length in bits
        measureNetwInitPhase: bool,  // gather statistics when bootstrapping
	useCommonAPIforward : bool,  // enable CommonAPI forward() calls
        drawOverlayTopology : bool,  // draw arrow to successor node?
        hopCountMax : numeric,       // maximum number of overlay hops

	lookupNumberNextHops : numeric, // number of next hops in each step
	lookupParallelPaths : numeric,  // number of parallel paths
	lookupParallelRpcs : numeric,   // number of nodes to ask in parallel
	lookupSecure : bool, // true, if all nodes should be identified with a ping
	lookupMerge : bool, // true, if parallel Rpc results should be merged


	useBaseLookup : bool,	  // use the base lookup class
        iterativeLookup : bool,   // do iterative instead of recursive lookups

	// max number of successors in the SuccessorList
        successorListSize : numeric,

        // after joinRetry unsuccessful join requests, we fetch
        // a need bootstrap node from the BootstrapOracle
        joinRetry : numeric,         

	// retries before a successor is considered failed
        stabilizeRetry : numeric, 
        
	joinDelay : numeric,            // delay between join retries (sec)
        stabilizeDelay : numeric,       // stabilize interval (sec)
        fixfingersDelay : numeric,      // fix_fingers interval (sec)
        aggressiveJoinMode : bool;      // use modified (faster) JOIN protocol
    
    gates:
        in: from_udp[];	// gate from the UDP layer
        out: to_udp[];    // gate to the UDP layer
        in: from_app;   // gate from the application
        out: to_app;	// gate to the application

endsimple