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Diffstat (limited to 'verigraph/service/src/mcnet/netobjs/PolitoNF.java')
| -rw-r--r-- | verigraph/service/src/mcnet/netobjs/PolitoNF.java | 101 |
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; - } - - }
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