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authorZhipeng (Howard) Huang <huangzhipeng@huawei.com>2017-02-27 13:08:54 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-02-27 13:08:54 +0000
commit69e33063b3703ae4529b556b63b3c4cc239c3d9a (patch)
treeb30d14715b34f2e4e06928c555c940ddb3365534 /verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java
parent280310852bb5e1c7639dedf7ce268e1e66157a51 (diff)
parent53d83244c1bf36af86e90ce5fe758a369f73563e (diff)
Merge "Add verigraph code base"
Diffstat (limited to 'verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java')
-rw-r--r--verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java91
1 files changed, 91 insertions, 0 deletions
diff --git a/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java b/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java
new file mode 100644
index 0000000..6d8d8fe
--- /dev/null
+++ b/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * 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.IntExpr;
+import com.microsoft.z3.Solver;
+
+import mcnet.components.NetContext;
+import mcnet.components.Network;
+import mcnet.components.NetworkObject;
+
+public class PolitoFieldModifier extends NetworkObject {
+
+ List<BoolExpr> constraints;
+ Context ctx;
+ DatatypeExpr politoFieldModifier;
+ Network net;
+ NetContext nctx;
+
+ public PolitoFieldModifier(Context ctx, Object[]... args) {
+ super(ctx, args);
+ }
+
+ @Override
+ public DatatypeExpr getZ3Node() {
+ return politoFieldModifier;
+ }
+
+ @Override
+ protected void init(Context ctx, Object[]... args) {
+ this.ctx = ctx;
+ isEndHost=false;
+ constraints = new ArrayList<BoolExpr>();
+ z3Node = ((NetworkObject)args[0][0]).getZ3Node();
+ politoFieldModifier = z3Node;
+ net = (Network)args[0][1];
+ nctx = (NetContext)args[0][2];
+ }
+
+ @Override
+ protected void addConstraints(Solver solver) {
+ BoolExpr[] constr = new BoolExpr[constraints.size()];
+ solver.add(constraints.toArray(constr));
+ }
+
+ public void installFieldModifier (){
+ Expr x = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_x", nctx.node);
+ Expr y = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_y", nctx.node);
+ Expr p_0 = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_p_0", nctx.packet);
+ Expr p_1 = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_p_1", nctx.packet);
+
+ IntExpr t_0 = ctx.mkIntConst("politoFieldModifier_"+politoFieldModifier+"_t_0");
+ IntExpr t_1 = ctx.mkIntConst("politoFieldModifier_"+politoFieldModifier+"_t_1");
+
+ constraints.add(
+ ctx.mkForall(new Expr[]{t_0, p_0, x},
+ ctx.mkImplies((BoolExpr)nctx.send.apply(politoFieldModifier,x,p_0,t_0),
+ ctx.mkExists(new Expr[]{y, p_1, t_1},
+ ctx.mkAnd(ctx.mkLt(t_1, t_0),
+ (BoolExpr)nctx.recv.apply(y, politoFieldModifier, p_1, t_1),
+ ctx.mkEq(nctx.pf.get("encrypted").apply(p_0), nctx.pf.get("encrypted").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("src").apply(p_0), nctx.pf.get("src").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("dest").apply(p_0), nctx.pf.get("dest").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("inner_src").apply(p_0), nctx.pf.get("inner_src").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("inner_dest").apply(p_0), nctx.pf.get("inner_dest").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("origin").apply(p_0), nctx.pf.get("origin").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("orig_body").apply(p_0), nctx.pf.get("orig_body").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("body").apply(p_0), nctx.pf.get("body").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("seq").apply(p_0), nctx.pf.get("seq").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("proto").apply(p_0), nctx.pf.get("proto").apply(p_1)),
+ ctx.mkEq(nctx.pf.get("emailFrom").apply(p_0), nctx.pf.get("emailFrom").apply(p_1)),
+ ctx.mkNot(ctx.mkEq(nctx.pf.get("url").apply(p_0), nctx.pf.get("url").apply(p_1))),
+ ctx.mkEq(nctx.pf.get("options").apply(p_0), nctx.pf.get("options").apply(p_1))),1,null,null,null,null)),
+ 1,null,null,null,null));
+ }
+
+} \ No newline at end of file