/// <summary>检查缓存</summary>
protected virtual void CheckCache()
{
var ms = Stream;
if (ms == null)
{
Stream = ms = new MemoryStream();
}
// 超过该时间后按废弃数据处理
var now = DateTime.Now;
if (ms.Length > ms.Position && Last.AddMilliseconds(Expire) < now && (MaxCache <= 0 || MaxCache <= ms.Length))
{
var retain = ms.Length - ms.Position;
var buf = ms.ReadBytes(500);
using var span = Tracer?.NewSpan("net:PacketCodec:DropCache", $"[{retain}]{buf.ToHex()}");
span?.SetError(new Exception($"数据包编码器放弃数据 retain={retain} MaxCache={MaxCache}"), null);
if (XTrace.Debug)
{
XTrace.Log.Debug("数据包编码器放弃数据 {0:n0}，Last={1}，MaxCache={2:n0}", ms.Length, Last, MaxCache);
}
ms.SetLength(0);
ms.Position = 0;
}
Last = now;
}
/// <summary>检查缓存</summary>
protected virtual void CheckCache()
{
var ms = Stream;
if (ms == null)
{
Stream = ms = new MemoryStream();
}
// 超过该时间后按废弃数据处理
var now = TimerX.Now;
if (ms.Length > ms.Position && Last.AddMilliseconds(Expire) < now && (MaxCache <= 0 || MaxCache <= ms.Length))
{
if (XTrace.Debug)
{
XTrace.Log.Debug("数据包编码器放弃数据 {0:n0}，Last={1}，MaxCache={2:n0}", ms.Length, Last, MaxCache);
}
ms.SetLength(0);
ms.Position = 0;
}
Last = now;
}