/// <summary>
/// Creates a new List instance with the selection of all non null cells in the underlying array.
/// This is a relatively expensive operation, depending on the array length and the AppendIndex value, so
/// one may consider using the indexer instead.
/// </summary>
/// <returns>A read only list of MemoryLane objects.</returns>
/// <exception cref="ObjectDisposedException">If the MemoryCarriage is disposed.</exception>
public IReadOnlyList <MemoryLane> GetLanes()
{
if (isDisposed)
{
throw new ObjectDisposedException("MemoryCarriage");
}
return(new List <MemoryLane>(Lanes.NotNullItems()));
}
/// <summary>
/// Calls Dispose to all lanes individually and switches the IsDisposed flag to true,
/// All methods will throw ObjectDisposedException after that.
/// </summary>
public virtual void Dispose()
{
if (!Volatile.Read(ref isDisposed))
{
try
{
if (Lanes != null && Lanes.ItemsCount > 0)
{
foreach (var lane in Lanes.NotNullItems())
{
lane.Dispose();
}
}
}
catch { }
Volatile.Write(ref isDisposed, true);
}
}
L allocLane(int capacity, bool hidden = false)
{
var lanesTotalLength = 0;
if (Lanes.ItemsCount + 1 > settings.MaxLanesCount)
{
if (settings.OnMaxLaneReached != null && settings.OnMaxLaneReached())
{
return(null);
}
else
{
throw new MemoryLaneException(MemoryLaneException.Code.MaxLanesCountReached);
}
}
foreach (var l in Lanes.NotNullItems())
{
lanesTotalLength += l.LaneCapacity;
}
if (lanesTotalLength > settings.MaxTotalAllocatedBytes)
{
if (settings.OnMaxTotalBytesReached != null && settings.OnMaxTotalBytesReached())
{
return(null);
}
else
{
throw new MemoryLaneException(MemoryLaneException.Code.MaxTotalAllocBytesReached);
}
}
var ml = createLane(capacity);
if (!hidden)
{
Lanes.Append(ml);
}
return(ml);
}
/// <summary>
/// Prints all lanes status.
/// </summary>
/// <returns>An info string.</returns>
/// <exception cref="ObjectDisposedException">If the MemoryCarriage is disposed.</exception>
public virtual string FullTrace()
{
if (isDisposed)
{
throw new ObjectDisposedException("MemoryCarriage");
}
var lc = Lanes.ItemsCount;
var lines = new string[lc + 3];
var i = 0;
lines[i++] = $"{this.GetType().Name}";
lines[i++] = $"Total lanes: {lc}";
lines[i++] = $"Now-Last allocation tick: {DateTime.Now.Ticks - LastAllocTickAnyLane}";
foreach (var l in Lanes.NotNullItems())
{
lines[i++] = l.FullTrace();
}
return(string.Join(Environment.NewLine, lines));
}
