/// <summary>
/// Diffs the two passed in callstack infos and returns the difference.
/// </summary>
/// <param name="New"> Newer callstack info to subtract older from </param>
/// <param name="Old"> Older callstack info to subtract from older </param>
public static FCallStackAllocationInfo Diff(FCallStackAllocationInfo New, FCallStackAllocationInfo Old)
{
if (New.CallStackIndex != Old.CallStackIndex)
{
throw new InvalidDataException();
}
FCallStackAllocationInfo DiffData = New.DeepCopy();
DiffData.UntaggedAllocationInfo -= Old.UntaggedAllocationInfo;
if (Old.TaggedAllocationInfo != null)
{
DiffData.EnsureTaggedAllocationsAvailable();
foreach (var TaggedAllocationInfoPair in Old.TaggedAllocationInfo)
{
FCallStackTagsAllocationInfo CurrentTagsAllocationInfo;
if (!DiffData.TaggedAllocationInfo.TryGetValue(TaggedAllocationInfoPair.Key, out CurrentTagsAllocationInfo))
{
CurrentTagsAllocationInfo = new FCallStackTagsAllocationInfo(0, 0);
}
DiffData.TaggedAllocationInfo[TaggedAllocationInfoPair.Key] = CurrentTagsAllocationInfo - TaggedAllocationInfoPair.Value;
}
}
return(DiffData);
}
/// <summary> Constructor, initializing all member variables to passed in values. </summary>
public FCallStackAllocationInfo(long InSize, int InCallStackIndex, int InCount, int InTagsIndex)
{
CallStackIndex = InCallStackIndex;
UntaggedAllocationInfo = new FCallStackTagsAllocationInfo(0, 0);
TaggedAllocationInfo = null;
if (InTagsIndex == -1)
{
UntaggedAllocationInfo += new FCallStackTagsAllocationInfo(InSize, InCount);
}
else
{
EnsureTaggedAllocationsAvailable();
TaggedAllocationInfo.Add(InTagsIndex, new FCallStackTagsAllocationInfo(InSize, InCount));
}
}
/// <summary>
/// Adds the passed in size and count to this callstack info.
/// </summary>
/// <param name="SizeToAdd"> Size to add </param>
/// <param name="CountToAdd"> Count to add </param>
/// <param name="InTagsIndex"> Index of the tags associated with the allocation </param>
public void Add(long SizeToAdd, int CountToAdd, int InTagsIndex)
{
if (InTagsIndex == -1)
{
UntaggedAllocationInfo += new FCallStackTagsAllocationInfo(SizeToAdd, CountToAdd);
}
else
{
EnsureTaggedAllocationsAvailable();
FCallStackTagsAllocationInfo CurrentTagsAllocationInfo;
if (!TaggedAllocationInfo.TryGetValue(InTagsIndex, out CurrentTagsAllocationInfo))
{
CurrentTagsAllocationInfo = new FCallStackTagsAllocationInfo(0, 0);
}
TaggedAllocationInfo[InTagsIndex] = CurrentTagsAllocationInfo + new FCallStackTagsAllocationInfo(SizeToAdd, CountToAdd);
}
}
/// <summary>
/// Adds the passed callstack info to this callstack info.
/// </summary>
/// <param name="InOther"> Callstack info to add </param>
public void Add(FCallStackAllocationInfo InOther)
{
if (CallStackIndex != InOther.CallStackIndex)
{
throw new InvalidDataException();
}
UntaggedAllocationInfo += InOther.UntaggedAllocationInfo;
if (InOther.TaggedAllocationInfo != null)
{
EnsureTaggedAllocationsAvailable();
foreach (var TaggedAllocationInfoPair in InOther.TaggedAllocationInfo)
{
FCallStackTagsAllocationInfo CurrentTagsAllocationInfo;
if (!TaggedAllocationInfo.TryGetValue(TaggedAllocationInfoPair.Key, out CurrentTagsAllocationInfo))
{
CurrentTagsAllocationInfo = new FCallStackTagsAllocationInfo(0, 0);
}
TaggedAllocationInfo[TaggedAllocationInfoPair.Key] = CurrentTagsAllocationInfo + TaggedAllocationInfoPair.Value;
}
}
}
/// <summary> Private constructor used by DeepCopy. </summary>
private FCallStackAllocationInfo(int InCallStackIndex, FCallStackTagsAllocationInfo InUntaggedAllocationInfo, Dictionary <int, FCallStackTagsAllocationInfo> InTaggedAllocationInfo)
{
CallStackIndex = InCallStackIndex;
UntaggedAllocationInfo = InUntaggedAllocationInfo;
TaggedAllocationInfo = InTaggedAllocationInfo;
}
