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-rw-r--r--verigraph/service/src/mcnet/netobjs/PolitoErrFunction.java96
1 files changed, 96 insertions, 0 deletions
diff --git a/verigraph/service/src/mcnet/netobjs/PolitoErrFunction.java b/verigraph/service/src/mcnet/netobjs/PolitoErrFunction.java
new file mode 100644
index 0000000..5f84b9f
--- /dev/null
+++ b/verigraph/service/src/mcnet/netobjs/PolitoErrFunction.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * 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 mcnet.components.NetContext;
+import mcnet.components.Network;
+import mcnet.components.NetworkObject;
+/**Error Function objects
+ *
+ */
+public class PolitoErrFunction extends NetworkObject{
+
+ List<BoolExpr> constraints;
+ Context ctx;
+ DatatypeExpr politoErrFunction;
+ Network net;
+ NetContext nctx;
+ FuncDecl isInBlacklist;
+
+ public PolitoErrFunction(Context ctx, Object[]... args) {
+ super(ctx, args);
+ }
+
+ @Override
+ protected void init(Context ctx, Object[]... args) {
+ this.ctx = ctx;
+ isEndHost=true;
+ constraints = new ArrayList<BoolExpr>();
+ z3Node = ((NetworkObject)args[0][0]).getZ3Node();
+ politoErrFunction = z3Node;
+ net = (Network)args[0][1];
+ nctx = (NetContext)args[0][2];
+ errFunctionRules();
+ //net.saneSend(this);
+ }
+
+ @Override
+ public DatatypeExpr getZ3Node() {
+ return politoErrFunction;
+ }
+
+ @Override
+ protected void addConstraints(Solver solver) {
+// System.out.println("[ERR FUNC] Installing rules.");
+ BoolExpr[] constr = new BoolExpr[constraints.size()];
+ solver.add(constraints.toArray(constr));
+ }
+
+ private void errFunctionRules (){
+ Expr n_0 = ctx.mkConst("PolitoErrFunction_"+politoErrFunction+"_n_0", nctx.node);
+ Expr p_0 = ctx.mkConst("PolitoErrFunction_"+politoErrFunction+"_p_0", nctx.packet);
+ IntExpr t_0 = ctx.mkIntConst("PolitoErrFunction_"+politoErrFunction+"_t_0");
+
+// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0},
+// ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0),
+// (BoolExpr)nctx.nodeHasAddr.apply(politoErrFunction, nctx.pf.get("src").apply(p_0))),1,null,null,null,null));
+// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0},
+// ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0),
+// ctx.mkEq(nctx.pf.get("origin").apply(p_0), politoErrFunction)),1,null,null,null,null));
+//
+// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0},
+// ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0),
+// ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0))),1,null,null,null,null));
+
+
+// Constraint1 We want the ErrFunction not to send out any packet
+// send(politoErrFunction, n_0, p, t_0) -> 1 == 2
+ constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0},
+ ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0),
+ ctx.mkEq(ctx.mkInt(1),ctx.mkInt(2))),1,null,null,null,null));
+
+// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0},
+// ctx.mkImplies( (BoolExpr)nctx.send.apply(n_0, politoErrFunction, p_0, t_0),
+// (BoolExpr)nctx.nodeHasAddr.apply(politoErrFunction, nctx.pf.get("dest").apply(p_0))),1,null,null,null,null));
+
+ }
+ } \ No newline at end of file