/// <summary>
/// Finds a matching <see cref="TrapPlan" />.
/// </summary>
/// <param name="interceptionPoint">CUrrent InterceptionPoint.</param>
/// <param name="globalHitcountWindow">Global hitcount window.</param>
/// <param name="localHitcountWindow">Local hitcount window.</param>
/// <returns>A matching <see cref="TrapPlan" />.</returns>
public TrapPlan FindMatchingPlan(InterceptionPoint interceptionPoint, int globalHitcountWindow = 20, int localHitcountWindow = 5)
{
if (interceptionPoint == null || interceptionPoint.API == null)
{
return(null);
}
var planId = TrapPlan.GetID(interceptionPoint.API, interceptionPoint.Method, interceptionPoint.ILOffset);
if (this.nonwildCardPlans.ContainsKey(planId))
{
var plan = this.nonwildCardPlans[planId];
bool isMatch = (plan.ThreadId == null || string.Equals(plan.ThreadId, interceptionPoint.ThreadId)) &&
(plan.HitCounts == null || plan.HitCounts.Count(x => x.IsMatch(interceptionPoint.LocalHitcount, localHitcountWindow, interceptionPoint.GLobalHitCount, globalHitcountWindow)) > 0);
return(isMatch ? plan : null);
}
foreach (var plan in this.wildCardPlans)
{
if (!SignatureMatchUtils.IsWildcardMatch(interceptionPoint.API, plan.API))
{
continue;
}
if (plan.Method != null && !SignatureMatchUtils.IsWildcardMatch(interceptionPoint.Method, plan.Method))
{
continue;
}
if (plan.ILOffset >= 0 && plan.ILOffset != interceptionPoint.ILOffset)
{
continue;
}
if (plan.ThreadId != null && !string.Equals(plan.ThreadId, interceptionPoint.ThreadId))
{
continue;
}
if (plan.HitCounts != null && plan.HitCounts.Count(x => x.IsMatch(interceptionPoint.LocalHitcount, localHitcountWindow, interceptionPoint.GLobalHitCount, globalHitcountWindow)) > 0)
{
continue;
}
return(plan);
}
return(null);
}
/// <summary>
/// Get thread safety group details of the InterceptionPoint.
/// </summary>
/// <param name="interceptionPoint">InterceptionPoint.</param>
/// <returns>Thread safety InterceptionPoint.</returns>
private ThreadSafetyInterceptionPoint GetThreadSafetyInterceptionPoint(InterceptionPoint interceptionPoint)
{
if (this.threadSafetyInterceptionPointCache.ContainsKey(interceptionPoint.API))
{
return(this.threadSafetyInterceptionPointCache[interceptionPoint.API]);
}
foreach (ThreadSafetyGroup threadSafetyGroup in this.configuration.ThreadSafetyGroups)
{
foreach (string writeAPI in threadSafetyGroup.WriteAPIs)
{
if (SignatureMatchUtils.IsWildcardMatch(interceptionPoint.API, writeAPI))
{
var tsInterceptionPoint = new ThreadSafetyInterceptionPoint()
{
ThreadSafetyGroup = threadSafetyGroup,
IsWriteAPI = true,
};
this.threadSafetyInterceptionPointCache[interceptionPoint.API] = tsInterceptionPoint;
return(tsInterceptionPoint);
}
}
foreach (string readAPI in threadSafetyGroup.ReadAPIs)
{
if (SignatureMatchUtils.IsWildcardMatch(interceptionPoint.API, readAPI))
{
var tsInterceptionPoint = new ThreadSafetyInterceptionPoint()
{
ThreadSafetyGroup = threadSafetyGroup,
IsWriteAPI = false,
};
this.threadSafetyInterceptionPointCache[interceptionPoint.API] = tsInterceptionPoint;
return(tsInterceptionPoint);
}
}
}
return(null);
}
/// <summary>
/// Get thread safety group details of the InterceptionPoint.
/// </summary>
/// <param name="threadSafetyGroups">The thread safety groups.</param>
/// <param name="interceptionPoint">InterceptionPoint.</param>
/// <returns>Thread safety InterceptionPoint.</returns>
public static ThreadSafetyInterceptionPoint GetThreadSafetyInterceptionPoint(List <ThreadSafetyGroup> threadSafetyGroups, InterceptionPoint interceptionPoint)
{
if (threadSafetyGroups == null)
{
return(null);
}
foreach (ThreadSafetyGroup threadSafetyGroup in threadSafetyGroups)
{
foreach (string writeAPI in threadSafetyGroup.WriteAPIs)
{
if (SignatureMatchUtils.IsWildcardMatch(interceptionPoint.API, writeAPI))
{
return(new ThreadSafetyInterceptionPoint()
{
ThreadSafetyGroup = threadSafetyGroup,
IsWriteAPI = true,
});
}
}
foreach (string readAPI in threadSafetyGroup.ReadAPIs)
{
if (SignatureMatchUtils.IsWildcardMatch(interceptionPoint.API, readAPI))
{
return(new ThreadSafetyInterceptionPoint()
{
ThreadSafetyGroup = threadSafetyGroup,
IsWriteAPI = false,
});
}
}
}
return(null);
}
