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authorserena.spinoso <serena.spinoso@polito.it>2017-09-07 10:22:39 +0200
committerserena.spinoso <serena.spinoso@polito.it>2017-09-12 08:42:03 +0200
commita42de79292d9541db7865b54e93be2d0b6e6a094 (patch)
treecc357be8dc0030be4fa965273c4074f0dcb79345 /verigraph/service/src/mcnet/netobjs/PolitoNF.java
parentdd361d8d9df7a69a4fc7c004db5b959440a024c2 (diff)
update verigraph
JIRA: PARSER-154 code optimizations about graph manipulation and formula generation. Change-Id: Idebef19b128281aa2bc40d1aeab6e208c7ddd93d Signed-off-by: serena.spinoso <serena.spinoso@polito.it>
Diffstat (limited to 'verigraph/service/src/mcnet/netobjs/PolitoNF.java')
-rw-r--r--verigraph/service/src/mcnet/netobjs/PolitoNF.java101
1 files changed, 0 insertions, 101 deletions
diff --git a/verigraph/service/src/mcnet/netobjs/PolitoNF.java b/verigraph/service/src/mcnet/netobjs/PolitoNF.java
deleted file mode 100644
index 53cae28..0000000
--- a/verigraph/service/src/mcnet/netobjs/PolitoNF.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2017 Politecnico di Torino and others.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Apache License, Version 2.0
- * which accompanies this distribution, and is available at
- * http://www.apache.org/licenses/LICENSE-2.0
- *******************************************************************************/
-
-package mcnet.netobjs;
-
-
-import java.util.ArrayList;
-import java.util.List;
-
-import com.microsoft.z3.BoolExpr;
-import com.microsoft.z3.Context;
-import com.microsoft.z3.DatatypeExpr;
-import com.microsoft.z3.Expr;
-import com.microsoft.z3.FuncDecl;
-import com.microsoft.z3.IntExpr;
-import com.microsoft.z3.Solver;
-import com.microsoft.z3.Sort;
-
-import mcnet.components.NetContext;
-import mcnet.components.Network;
-import mcnet.components.NetworkObject;
-
-/** First example of custom network function: a simple filter
- *
- */
-public class PolitoNF extends NetworkObject{
-
- List<BoolExpr> constraints;
- Context ctx;
- DatatypeExpr politoNF;
- Network net;
- NetContext nctx;
- FuncDecl isInBlacklist;
-
-
- public PolitoNF(Context ctx, Object[]... args) {
- super(ctx, args);
- }
-
- @Override
- protected void init(Context ctx, Object[]... args) {
- this.ctx = ctx;
- isEndHost=false;
- constraints = new ArrayList<BoolExpr>();
- z3Node = ((NetworkObject)args[0][0]).getZ3Node();
- politoNF = z3Node;
- net = (Network)args[0][1];
- nctx = (NetContext)args[0][2];
- //net.saneSend(this);
- }
-
- public void politoNFRules (DatatypeExpr ipA,DatatypeExpr ipB){
-// System.out.println("[PolitoNf] Installing rules");
- Expr n_0 = ctx.mkConst("politoNF_"+politoNF+"_n_0", nctx.node);
- Expr n_1 = ctx.mkConst("politoNF_"+politoNF+"_n_1", nctx.node);
- Expr p_0 = ctx.mkConst("politoNF_"+politoNF+"_p_0", nctx.packet);
- IntExpr t_0 = ctx.mkIntConst("politoNF_"+politoNF+"_t_0");
- IntExpr t_1 = ctx.mkIntConst("politoNF_"+politoNF+"_t_1");
- Expr a_0 = ctx.mkConst(politoNF+"_politoNF_a_0", nctx.address);
- Expr a_1 = ctx.mkConst(politoNF+"_politoNF_a_1", nctx.address);
-
- FuncDecl myFunction = ctx.mkFuncDecl(politoNF+"_myFunction", new Sort[]{nctx.address,nctx.address}, ctx.mkBoolSort());
-
- BoolExpr myConstraint = ctx.mkForall(new Expr[]{n_0, p_0, t_0},
- ctx.mkImplies((BoolExpr)nctx.send.apply(politoNF, n_0, p_0, t_0),
- ctx.mkExists(new Expr[]{n_1, t_1},
- ctx.mkAnd((BoolExpr)nctx.recv.apply(n_1, politoNF, p_0, t_1),
- ctx.mkLt(t_1 , t_0),
- (BoolExpr)myFunction.apply(nctx.pf.get("src").apply(p_0), nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)),1,null,null,null,null);
-
- BoolExpr funcConstraint = ctx.mkOr(ctx.mkAnd(ctx.mkEq(a_0, ipA), ctx.mkEq(a_1, ipB)), ctx.mkAnd(ctx.mkEq(a_0,ipB), ctx.mkEq(a_1,ipA)));
-
- // Constraint1 myFunction(a_0,a_1) == ((a_0 == ipA && a_1 == ipB) || (a_0 == ipB && a_1 == ipA))
- constraints.add(
- ctx.mkForall(new Expr[]{a_0,a_1},
- ctx.mkEq(myFunction.apply(a_0, a_1), funcConstraint),1,null,null,null,null));
-
- //Constraint2 send(politoNF, n_0, p, t_0) ->
- // (exist n_1,t_1 : (t_1 < t_0 && recv(n_1, politoNF, p, t_1) && myFunction(p.src,p.dest))
- constraints.add(myConstraint);
-
- }
-
- @Override
- protected void addConstraints(Solver solver) {
- BoolExpr[] constr = new BoolExpr[constraints.size()];
- solver.add(constraints.toArray(constr));
- }
-
- @Override
- public DatatypeExpr getZ3Node() {
- return politoNF;
- }
-
- } \ No newline at end of file