Add verigraph code base

JIRA: PARSER-111

Change-Id: Ie76e14fabbb6c388ebc89d9a15dd3021b25fa892
Signed-off-by: serena.spinoso <serena.spinoso@polito.it>

1 files changed, 100 insertions, 0 deletions

diff --git a/verigraph/service/src/mcnet/netobjs/PolitoEndHost.java b/verigraph/service/src/mcnet/netobjs/PolitoEndHost.java
new file mode 100644
index 0000000..e12579f
--- /dev/null
+++ b/verigraph/service/src/mcnet/netobjs/PolitoEndHost.java
@@ -0,0 +1,100 @@
+/*******************************************************************************
+ * 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 PolitoEndHost extends NetworkObject {
+
+	List<BoolExpr> constraints = new ArrayList<BoolExpr>();
+	Context ctx;
+	DatatypeExpr politoEndHost;
+	Network net;
+	NetContext nctx;
+
+	public PolitoEndHost(Context ctx, Object[]... args) {
+		super(ctx, args);
+	}
+
+	@Override
+	public DatatypeExpr getZ3Node() {
+		return politoEndHost;
+	}
+
+	@Override
+	protected void init(Context ctx, Object[]... args) {
+		this.ctx = ctx;
+		this.isEndHost = true;
+		this.politoEndHost = this.z3Node = ((NetworkObject)args[0][0]).getZ3Node();
+		this.net = (Network)args[0][1];
+        this.nctx = (NetContext)args[0][2];
+	}
+
+	@Override
+	protected void addConstraints(Solver solver) {
+		BoolExpr[] constr = new BoolExpr[constraints.size()];
+	    solver.add(constraints.toArray(constr));
+	}
+
+	/*
+	 * Fields that can be configured -> "dest","body","seq","proto","emailFrom","url","options"
+	 */
+	public void installEndHost (PacketModel packet){
+		System.out.println("Installing PolitoEndHost...");
+		Expr n_0 = ctx.mkConst("PolitoEndHost_"+politoEndHost+"_n_0", nctx.node);
+    	Expr p_0 = ctx.mkConst("PolitoEndHost_"+politoEndHost+"_p_0", nctx.packet);
+    	IntExpr t_0 = ctx.mkIntConst("PolitoEndHost_"+politoEndHost+"_t_0");
+		BoolExpr predicatesOnPktFields = ctx.mkTrue();
+
+		if(packet.getIp_dest() != null)
+			predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("dest").apply(p_0), packet.getIp_dest()));
+		if(packet.getBody() != null)
+			predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("body").apply(p_0), ctx.mkInt(packet.getBody())));
+		if(packet.getEmailFrom() != null)
+			predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("emailFrom").apply(p_0), ctx.mkInt(packet.getEmailFrom())));
+		if(packet.getOptions() != null)
+			predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("options").apply(p_0), ctx.mkInt(packet.getOptions())));
+		if(packet.getProto() != null)
+			predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(packet.getProto())));
+		if(packet.getSeq() != null)
+			predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("seq").apply(p_0), ctx.mkInt(packet.getSeq())));
+		if(packet.getUrl() != null)
+			predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("url").apply(p_0), ctx.mkInt(packet.getUrl())));
+
+		//Constraint1		send(politoWebClient, n_0, p, t_0) -> p.origin == politoWebClient && p.orig_body == p.body && nodeHasAddr(politoWebClient,p.src)
+		constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0},
+                ctx.mkImplies((BoolExpr)nctx.send.apply(politoEndHost, n_0, p_0, t_0),
+                		ctx.mkAnd(predicatesOnPktFields,
+                				  ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0)),
+                				  ctx.mkEq(nctx.pf.get("origin").apply(p_0),politoEndHost),
+                				  (BoolExpr)nctx.nodeHasAddr.apply(politoEndHost,nctx.pf.get("src").apply(p_0)))),1,null,null,null,null));
+
+		//Constraint2		recv(n_0, politoWebClient, p, t_0) -> nodeHasAddr(politoWebClient,p.dest)
+		constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0},
+                ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0,politoEndHost, p_0, t_0),
+                		(BoolExpr)nctx.nodeHasAddr.apply(politoEndHost,nctx.pf.get("dest").apply(p_0))),1,null,null,null,null));
+
+		System.out.println("Done.");
+		return;
+	}
+
+}