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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/EndHost.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/EndHost.java')
-rw-r--r--verigraph/service/src/mcnet/netobjs/EndHost.java100
1 files changed, 0 insertions, 100 deletions
diff --git a/verigraph/service/src/mcnet/netobjs/EndHost.java b/verigraph/service/src/mcnet/netobjs/EndHost.java
deleted file mode 100644
index 99cf732..0000000
--- a/verigraph/service/src/mcnet/netobjs/EndHost.java
+++ /dev/null
@@ -1,100 +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.IntExpr;
-import com.microsoft.z3.Solver;
-
-import mcnet.components.NetContext;
-import mcnet.components.Network;
-import mcnet.components.NetworkObject;
-/**
- * End host network objects
- *
- */
-public class EndHost extends NetworkObject{
-
- List<BoolExpr> constraints;
- Context ctx;
- DatatypeExpr node;
- Network net;
- NetContext nctx;
-
- public EndHost(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();
- node = z3Node;
- net = (Network)args[0][1];
- nctx = (NetContext)args[0][2];
- endHostRules();
- }
-
- @Override
- public DatatypeExpr getZ3Node() {
- return node;
- }
-
- @Override
- protected void addConstraints(Solver solver) {
- BoolExpr[] constr = new BoolExpr[constraints.size()];
- solver.add(constraints.toArray(constr));
- }
-
- public void endHostRules (){
- Expr n_0 = ctx.mkConst("eh_"+node+"_n_0", nctx.node);
- IntExpr t_0 = ctx.mkIntConst("eh_"+node+"_t_0");
- Expr p_0 = ctx.mkConst("eh_"+node+"_p_0", nctx.packet);
-
- //Constraint1 send(node, n_0, p, t_0) -> nodeHasAddr(node,p.src)
- constraints.add(
- ctx.mkForall(new Expr[]{n_0, p_0, t_0},
- ctx.mkImplies(
- (BoolExpr)nctx.send.apply( new Expr[]{ node, n_0, p_0, t_0}),
- (BoolExpr)nctx.nodeHasAddr.apply(new Expr[]{node, nctx.pf.get("src").apply(p_0)})),1,null,null,null,null));
- //Constraint2 send(node, n_0, p, t_0) -> p.origin == node
- constraints.add(
- ctx.mkForall(new Expr[]{n_0, p_0, t_0},
- ctx.mkImplies(
- (BoolExpr)nctx.send.apply( new Expr[]{ node, n_0, p_0, t_0}),
- ctx.mkEq(nctx.pf.get("origin").apply(p_0),node)),1,null,null,null,null));
- //Constraint3 send(node, n_0, p, t_0) -> p.orig_body == p.body
- constraints.add(
- ctx.mkForall(new Expr[]{n_0, p_0, t_0},
- ctx.mkImplies(
- (BoolExpr)nctx.send.apply(new Expr[]{ node, 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));
- //Constraint4 recv(n_0, node, p, t_0) -> nodeHasAddr(node,p.dest)
- constraints.add(
- ctx.mkForall(new Expr[]{n_0, p_0, t_0},
- ctx.mkImplies(
- (BoolExpr)nctx.recv.apply( new Expr[]{ n_0, node, p_0, t_0}),
- (BoolExpr)nctx.nodeHasAddr.apply(new Expr[]{node, nctx.pf.get("dest").apply(p_0)})),1,null,null,null,null));
-
-// Just a try: here we state that an endhost is not able to issue a HTTP response traffic
-// See PolitoCache.py model for constants definition (2 means HTTP_RESPONSE, 1 means HTTP_REQUEST)
-// constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0},
-// ctx.mkImplies((BoolExpr)nctx.send.apply(node, n_0, p_0, t_0),
-// ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(1))),1,null,null,null,null));
- }
-} \ No newline at end of file