/// <summary>
/// Updates the tasks.
/// </summary>
/// <param name="machineTrace">MachineActionTrace</param>
void UpdateTasks(MachineActionTrace machineTrace)
{
int currentMachineVC = 0;
foreach (MachineActionInfo info in machineTrace)
{
if (info.Type == MachineActionType.TaskMachineCreation)
{
//ThreadTrace matching = null;
var matching = this.AllThreadTraces.Where(item => item.IsTask && item.TaskId == info.TaskId);
if (matching.Count() == 0)
{
continue;
}
Node cn = new CActBegin(info.TaskMachineId.GetHashCode(), info.TaskId);
((CActBegin)cn).IsStart = true;
cn.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn.VectorClock[info.TaskMachineId.GetHashCode()] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.TaskMachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn);
foreach (var m in matching)
{
if (m.Accesses.Count > 0)
{
foreach (ActionInstr ins in m.Accesses)
{
((CActBegin)cn).Addresses.Add(new MemAccess(ins.IsWrite, ins.Location, ins.ObjHandle, ins.Offset,
ins.SrcLocation, info.TaskMachineId.GetHashCode()));
}
}
}
}
}
}
void DetectRacesFast()
{
IO.PrintLine("\nDETECTING RACES");
if (this.CGraph.VertexCount == 0)
{
return;
}
List <Tuple <CActBegin, CActBegin> > checkRaces = new List <Tuple <CActBegin, CActBegin> >();
foreach (Node n1 in this.CGraph.Vertices)
{
if (n1.GetType().ToString().Contains("CActBegin"))
{
CActBegin v1 = (CActBegin)n1;
foreach (Node n2 in this.CGraph.Vertices)
{
if (n2.GetType().ToString().Contains("CActBegin"))
{
if (n1.Equals(n2))
{
continue;
}
CActBegin v2 = (CActBegin)n2;
if (v1.MachineId == v2.MachineId)
{
continue;
}
bool ordered = true;
for (int i = 0; i < this.VcCount; i++)
{
if (v1.VectorClock[i] > v2.VectorClock[i])
{
ordered = false;
break;
}
}
if (ordered == true)
{
continue;
}
bool orderedR = true;
for (int i = 0; i < this.VcCount; i++)
{
if (v2.VectorClock[i] > v1.VectorClock[i])
{
orderedR = false;
break;
}
}
if (orderedR == true)
{
continue;
}
checkRaces.Add(new Tuple <CActBegin, CActBegin>(v1, v2));
}
}
}
}
List <Tuple <string, string> > reportedRaces = new List <Tuple <string, string> >();
foreach (Tuple <CActBegin, CActBegin> checking in checkRaces)
{
List <MemAccess> addressList1 = checking.Item1.Addresses;
List <MemAccess> addressList2 = checking.Item2.Addresses;
foreach (MemAccess m in addressList1)
{
foreach (MemAccess n in addressList2)
{
if (!(m.IsWrite || n.IsWrite))
{
continue;
}
if (m.ObjHandle == UIntPtr.Zero && m.Offset == UIntPtr.Zero &&
n.ObjHandle == UIntPtr.Zero && n.Offset == UIntPtr.Zero)
{
continue;
}
if (reportedRaces.Where(item
=> item.Item1.Equals(m.SrcLocation + ";" + m.IsWrite) &&
item.Item2.Equals(n.SrcLocation + ";" + n.IsWrite)).Any() ||
reportedRaces.Where(item => item.Item1.Equals(n.SrcLocation + ";" + n.IsWrite) &&
item.Item2.Equals(m.SrcLocation + ";" + m.IsWrite)).Any())
{
continue;
}
if (m.ObjHandle == n.ObjHandle && m.Offset == n.Offset)
{
IO.PrintLine("RACE: " + m.SrcLocation + ";" + m.IsWrite + " AND " +
n.SrcLocation + ";" + n.IsWrite);
reportedRaces.Add(new Tuple <string, string>(m.SrcLocation + ";" + m.IsWrite,
n.SrcLocation + ";" + n.IsWrite));
}
}
}
}
}
void DetectRacesAgain()
{
IO.PrintLine("\nDETECTING RACES");
List <Tuple <CActBegin, CActBegin> > checkRaces = new List <Tuple <CActBegin, CActBegin> >();
foreach (Node n1 in this.CGraph.Vertices)
{
if (n1.GetType().ToString().Contains("CActBegin"))
{
CActBegin v1 = (CActBegin)n1;
foreach (Node n2 in this.CGraph.Vertices)
{
if (n2.GetType().ToString().Contains("CActBegin"))
{
if (n1.Equals(n2))
{
continue;
}
CActBegin v2 = (CActBegin)n2;
if (v1.MachineId == v2.MachineId)
{
continue;
}
bool found = false;
foreach (MemAccess ma in v1.Addresses)
{
var list = v2.Addresses.Where(item
=> item.ObjHandle == ma.ObjHandle &&
item.Offset == ma.Offset);
if (list.Count() > 0)
{
found = true;
break;
}
}
if (found == false)
{
continue;
}
if (!(cExistsPath(v1, v2) || cExistsPath(v2, v1)))
{
checkRaces.Add(new Tuple <CActBegin, CActBegin>(v1, v2));
}
}
}
}
}
List <Tuple <string, string> > reportedRaces = new List <Tuple <string, string> >();
foreach (Tuple <CActBegin, CActBegin> checking in checkRaces)
{
List <MemAccess> addressList1 = checking.Item1.Addresses;
List <MemAccess> addressList2 = checking.Item2.Addresses;
foreach (MemAccess m in addressList1)
{
foreach (MemAccess n in addressList2)
{
if (!(m.IsWrite || n.IsWrite))
{
continue;
}
if (m.ObjHandle == UIntPtr.Zero && m.Offset == UIntPtr.Zero &&
n.ObjHandle == UIntPtr.Zero && n.Offset == UIntPtr.Zero)
{
continue;
}
if (reportedRaces.Where(item
=> item.Item1.Equals(m.SrcLocation + ";" + m.IsWrite) &&
item.Item2.Equals(n.SrcLocation + ";" + n.IsWrite)).Any() ||
reportedRaces.Where(item => item.Item1.Equals(n.SrcLocation + ";" + n.IsWrite) &&
item.Item2.Equals(m.SrcLocation + ";" + m.IsWrite)).Any())
{
continue;
}
if (m.ObjHandle == n.ObjHandle && m.Offset == n.Offset)
{
IO.PrintLine("RACE: " + m.SrcLocation + ";" + m.IsWrite + " AND " +
n.SrcLocation + ";" + n.IsWrite);
reportedRaces.Add(new Tuple <string, string>(m.SrcLocation + ";" +
m.IsWrite, n.SrcLocation + ";" + n.IsWrite));
}
}
}
}
}
/// <summary>
/// Updates the graph cross edges.
/// </summary>
void UpdateGraphCrossEdges()
{
foreach (Node n in this.CGraph.Vertices)
{
if (n.GetType().ToString().Contains("SendEvent"))
{
IEnumerable <Node> actBegins = this.CGraph.Vertices.Where(item
=> item.GetType().ToString().Contains("CActBegin"));
foreach (Node n1 in actBegins)
{
SendEvent sendNode = (SendEvent)n;
CActBegin beginNode = (CActBegin)n1;
if (sendNode.ToMachine == beginNode.MachineId &&
sendNode.SendEventId == beginNode.EventId)
{
this.CGraph.AddEdge(new Edge(sendNode, beginNode));
for (int i = 0; i < this.VcCount; i++)
{
beginNode.VectorClock[i] = Math.Max(beginNode.VectorClock[i],
sendNode.VectorClock[i]);
}
}
}
}
else if (n.GetType().ToString().Contains("CreateMachine"))
{
IEnumerable <Node> actBegins = this.CGraph.Vertices.Where(item
=> item.GetType().ToString().Contains("CActBegin"));
foreach (Node n1 in actBegins)
{
CreateMachine createNode = (CreateMachine)n;
CActBegin beginNode = (CActBegin)n1;
if (createNode.CreateMachineId == beginNode.MachineId && beginNode.ActionId == 1)
{
this.CGraph.AddEdge(new Edge(createNode, beginNode));
for (int i = 0; i < this.VcCount; i++)
{
beginNode.VectorClock[i] = Math.Max(beginNode.VectorClock[i],
createNode.VectorClock[i]);
}
}
}
}
else if (n.GetType().ToString().Contains("CreateTask"))
{
IEnumerable <Node> actBegins = this.CGraph.Vertices.Where(item
=> item.GetType().ToString().Contains("CActBegin"));
foreach (Node n1 in actBegins)
{
CreateTask createNode = (CreateTask)n;
CActBegin beginNode = (CActBegin)n1;
if (createNode.TaskId == beginNode.TaskId)
{
this.CGraph.AddEdge(new Edge(createNode, beginNode));
for (int i = 0; i < this.VcCount; i++)
{
beginNode.VectorClock[i] = Math.Max(beginNode.VectorClock[i],
createNode.VectorClock[i]);
}
}
}
}
}
}
/// <summary>
/// Prunes the graph.
/// </summary>
void PruneGraph()
{
List <Node> remove = new List <Node>();
foreach (Node u in this.CGraph.Vertices)
{
if (u.GetType().ToString().Contains("CActBegin"))
{
CActBegin m = (CActBegin)u;
if (m.Addresses.Count == 0)
{
remove.Add(u);
continue;
}
bool found = false;
foreach (Node v in this.CGraph.Vertices)
{
if (v.GetType().ToString().Contains("CActBegin"))
{
CActBegin n = (CActBegin)v;
if (m.Equals(n) || m.MachineId == n.MachineId)
{
continue;
}
foreach (MemAccess ma in m.Addresses)
{
var list = n.Addresses.Where(item
=> item.ObjHandle == ma.ObjHandle &&
item.Offset == ma.Offset);
if (list.Count() > 0)
{
found = true;
break;
}
}
}
if (found == true)
{
break;
}
}
if (found == false)
{
remove.Add(u);
}
}
}
foreach (Node u in remove)
{
if (this.CGraph.InDegree(u) == 0 || this.CGraph.OutDegree(u) == 0)
{
this.CGraph.RemoveVertex(u);
}
else
{
IEnumerable <Edge> fromEdges = this.CGraph.InEdges(u);
IEnumerable <Edge> toEdges = this.CGraph.OutEdges(u);
foreach (Edge fromEdge in fromEdges)
{
Node from = fromEdge.Source;
foreach (Edge toEdge in toEdges)
{
Node to = toEdge.Target;
this.CGraph.AddEdge(new Edge(from, to));
}
this.CGraph.RemoveVertex(u);
}
}
}
}
/// <summary>
/// Updates the graph.
/// </summary>
/// <param name="machineTrace">MachineActionTrace</param>
void UpdateGraph(MachineActionTrace machineTrace)
{
int currentMachineVC = 0;
Node cLatestAction = null;
foreach (MachineActionInfo info in machineTrace)
{
if (info.Type != MachineActionType.SendAction && (info.ActionId != 0) && !(info.Type == MachineActionType.TaskMachineCreation))
{
ThreadTrace matching = null;
try
{
matching = this.AllThreadTraces.Where(item => item.MachineId == info.MachineId &&
item.ActionId == info.ActionId).Single();
}
catch (Exception)
{
//TODO: check correctness
//In case entry and exit functions not defined.
//IO.PrintLine("Skipping entry/exit actions: " + mt.MachineId + " " + mt.ActionId + " " + mt.ActionName);
continue;
}
Node cn = new CActBegin(matching.MachineId, matching.ActionName,
matching.ActionId, info.EventName, info.EventId);
if (matching.ActionId == 1)
{
((CActBegin)cn).IsStart = true;
}
cn.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn);
if (cLatestAction != null)
{
this.CGraph.AddEdge(new Edge(cLatestAction, cn));
}
Node cLatest = cn;
cLatestAction = cn;
bool createNew = false;
foreach (ActionInstr ins in matching.Accesses)
{
// User trace send event.
Node cn1;
if (createNew)
{
Node cnn = new CActBegin(matching.MachineId, matching.ActionName,
matching.ActionId, info.EventName, info.EventId);
cnn.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cnn.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cnn);
cn = cnn;
this.CGraph.AddEdge(new Edge(cLatest, cn));
createNew = false;
cLatest = cn;
}
if (ins.IsSend)
{
MachineActionInfo machineSend = machineTrace.Where(
item => item.MachineId == matching.MachineId &&
item.SendId == ins.SendId).Single();
cn1 = new SendEvent(machineSend.MachineId, machineSend.SendId,
machineSend.TargetMachineId, machineSend.SendEventName, machineSend.EventId);
cn1.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn1.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn1);
this.CGraph.AddEdge(new Edge(cLatest, cn1));
createNew = true;
}
// User trace create machine.
else if (ins.IsCreate)
{
cn1 = new CreateMachine(ins.CreateMachineId);
cn1.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn1.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn1);
this.CGraph.AddEdge(new Edge(cLatest, cn1));
createNew = true;
}
// User trace task creation.
else if (ins.IsTask)
{
cn1 = new CreateTask(ins.TaskId);
cn1.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn1.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn1);
this.CGraph.AddEdge(new Edge(cLatest, cn1));
createNew = true;
}
// User trace reads/writes.
else
{
((CActBegin)cn).Addresses.Add(new MemAccess(ins.IsWrite, ins.Location,
ins.ObjHandle, ins.Offset, ins.SrcLocation, info.MachineId));
cn1 = cn;
}
cLatest = cn1;
cLatestAction = cn1;
}
}
}
}
/// <summary>
/// Updates the graph.
/// </summary>
/// <param name="machineTrace">MachineActionTrace</param>
void UpdateGraph(MachineActionTrace machineTrace)
{
int currentMachineVC = 0;
Node cLatestAction = null;
foreach (MachineActionInfo info in machineTrace)
{
if (info.Type != MachineActionType.SendAction && (info.ActionId != 0)/* && !info.isTaskMachine*/)
{
ThreadTrace matching = null;
try
{
matching = this.AllThreadTraces.Where(item => item.MachineId == info.MachineId &&
item.ActionId == info.ActionId).Single();
}
catch (Exception)
{
//TODO: check correctness
//In case entry and exit functions not defined.
//IO.PrintLine("Skipping entry/exit actions: " + mt.MachineId + " " + mt.ActionId + " " + mt.ActionName);
continue;
}
Node cn = new CActBegin(matching.MachineId, matching.ActionName,
matching.ActionId, info.EventName, info.EventId);
if(matching.ActionId == 1)
{
((CActBegin)cn).IsStart = true;
}
cn.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn);
if(cLatestAction != null)
{
this.CGraph.AddEdge(new Edge(cLatestAction, cn));
}
Node cLatest = cn;
cLatestAction = cn;
bool createNew = false;
foreach (ActionInstr ins in matching.Accesses)
{
// User trace send event.
Node cn1;
if (createNew)
{
Node cnn = new CActBegin(matching.MachineId, matching.ActionName,
matching.ActionId, info.EventName, info.EventId);
cnn.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cnn.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cnn);
cn = cnn;
this.CGraph.AddEdge(new Edge(cLatest, cn));
createNew = false;
cLatest = cn;
}
if (ins.IsSend)
{
MachineActionInfo machineSend = machineTrace.Where(
item => item.MachineId == matching.MachineId &&
item.SendId == ins.SendId).Single();
cn1 = new SendEvent(machineSend.MachineId, machineSend.SendId,
machineSend.TargetMachineId, machineSend.EventName, machineSend.EventId);
cn1.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn1.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn1);
this.CGraph.AddEdge(new Edge(cLatest, cn1));
createNew = true;
}
// User trace create machine.
else if (ins.IsCreate)
{
cn1 = new CreateMachine(ins.CreateMachineId);
cn1.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn1.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn1);
this.CGraph.AddEdge(new Edge(cLatest, cn1));
createNew = true;
}
// User trace task creation.
else if (ins.IsTask)
{
cn1 = new CreateTask(ins.TaskId);
cn1.VectorClock = new int[this.VcCount];
currentMachineVC++;
try
{
cn1.VectorClock[info.MachineId] = currentMachineVC;
}
catch (Exception ex)
{
IO.PrintLine("failed: " + this.VcCount + " " + info.MachineId);
IO.PrintLine(ex.ToString());
Environment.Exit(Environment.ExitCode);
}
this.CGraph.AddVertex(cn1);
this.CGraph.AddEdge(new Edge(cLatest, cn1));
createNew = true;
}
// User trace reads/writes.
else
{
((CActBegin)cn).Addresses.Add(new MemAccess(ins.IsWrite, ins.Location,
ins.ObjHandle, ins.Offset, ins.SrcLocation, info.MachineId));
cn1 = cn;
}
cLatest = cn1;
cLatestAction = cn1;
}
}
}
}