/// <summary>
/// 设置指定缓存容量的 缓存倍数,如果编写程序中命中的缓存级别较大，可单独增加缓存数量
/// </summary>
/// <param name="level"></param>
/// <param name="multiple"></param>
public void SetCacheMultiple(BufferLevel level, byte multiple) {
switch (level) {
case BufferLevel.b128:
Buffer128b.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.b256:
Buffer256b.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.b512:
Buffer512b.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.k1:
Buffer1k.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.k2:
Buffer2k.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.k4:
Buffer4k.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.k8:
Buffer4k.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.k16:
Buffer8k.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.k32:
Buffer16k.SetPageSizeMaxMultiple(multiple);
break;
case BufferLevel.k64:
Buffer64k.SetPageSizeMaxMultiple(multiple);
break;
}
}
public void Free(byte[] buf)
{
BufferLevel level = BufferLevel.None;
switch (buf.Length)
{
case 128:
level = BufferLevel.b128;
break;
case 256:
level = BufferLevel.b256;
break;
case 512:
level = BufferLevel.b512;
break;
case 1024:
level = BufferLevel.k1;
break;
case 2048:
level = BufferLevel.k2;
break;
case 4096:
level = BufferLevel.k4;
break;
case 8192:
level = BufferLevel.k8;
break;
case 16384:
level = BufferLevel.k16;
break;
case 32768:
level = BufferLevel.k32;
break;
case 65536:
level = BufferLevel.k64;
break;
}
//不是规范内的buf不回收，直接丢弃
_recyle(buf, level);
}
public BufferListSegment GetBuf(BufferLevel level) {
BufferListSegment seg = null;
ArraySegment<byte> buf = new ArraySegment<byte>();
switch (level) {
case BufferLevel.b128:
buf = this.Buffer128b.GetBuffer(128);
seg = new BufferListSegment(level, buf, this.Buffer128b);
//
break;
case BufferLevel.b256:
buf = this.Buffer256b.GetBuffer(256);
seg = new BufferListSegment(level, buf, this.Buffer256b);
//
break;
case BufferLevel.b512:
buf = this.Buffer512b.GetBuffer(512);
seg = new BufferListSegment(level, buf, this.Buffer512b);
//
break;
case BufferLevel.k1:
buf = this.Buffer1k.GetBuffer(1024);
seg = new BufferListSegment(level, buf, this.Buffer1k);
//
break;
case BufferLevel.k2:
buf = this.Buffer2k.GetBuffer(1024 * 2);
seg = new BufferListSegment(level, buf, this.Buffer2k);
//
break;
case BufferLevel.k4:
buf = this.Buffer4k.GetBuffer(1024 * 4);
seg = new BufferListSegment(level, buf, this.Buffer4k);
//
break;
case BufferLevel.k8:
buf = this.Buffer8k.GetBuffer(1024 * 8);
seg = new BufferListSegment(level, buf, this.Buffer8k);
//
break;
case BufferLevel.k16:
buf = this.Buffer16k.GetBuffer(1024 * 16);
seg = new BufferListSegment(level, buf, this.Buffer16k);
//
break;
case BufferLevel.k32:
buf = this.Buffer32k.GetBuffer(1024 * 32);
seg = new BufferListSegment(level, buf, this.Buffer32k);
//
break;
case BufferLevel.k64:
buf = this.Buffer64k.GetBuffer(1024 * 64);
seg = new BufferListSegment(level, buf, this.Buffer64k);
//
break;
//
}
if (buf.Array == null) {
//todo:超出缓存，取不出来
switch (level) {
case BufferLevel.b128:
buf = new ArraySegment<byte>(new byte[128]);
//
break;
case BufferLevel.b256:
buf = new ArraySegment<byte>(new byte[256]);
//
break;
case BufferLevel.b512:
buf = new ArraySegment<byte>(new byte[512]);
//
break;
case BufferLevel.k1:
buf = new ArraySegment<byte>(new byte[1024]);
//
break;
case BufferLevel.k2:
buf = new ArraySegment<byte>(new byte[1024 * 2]);
//
break;
case BufferLevel.k4:
buf = new ArraySegment<byte>(new byte[1024 * 4]);
//
break;
case BufferLevel.k8:
buf = new ArraySegment<byte>(new byte[1024 * 8]);
//
break;
case BufferLevel.k16:
buf = new ArraySegment<byte>(new byte[1024 * 16]);
//
break;
case BufferLevel.k32:
buf = new ArraySegment<byte>(new byte[1024 * 32]);
//
break;
case BufferLevel.k64:
buf = new ArraySegment<byte>(new byte[1024 * 64]);
//
break;
//
}
seg = new BufferListSegment(level, buf, null);
}
return seg;
}
private void _recyle(byte[] buf, BufferLevel level)
{
//缓存限制数量，防止内存无止境增涨
Array.Clear(buf, 0, buf.Length);
//设置最大缓存80M数据
switch (level)
{
case BufferLevel.b128:
if (Buffer128b.Count > 1024 * 64 * m_cacheMultiple)
{
//超出数量范围(8M) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer128b.Enqueue(buf);
break;
case BufferLevel.b256:
if (Buffer256b.Count > 1024 * 32 * m_cacheMultiple)
{
//超出数量范围(8M) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer256b.Enqueue(buf);
break;
case BufferLevel.b512:
if (Buffer512b.Count > 1024 * 16 * m_cacheMultiple)
{
//超出数量范围(8M) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer512b.Enqueue(buf);
break;
case BufferLevel.k1:
if (Buffer1k.Count > 1024 * 8 * m_cacheMultiple)
{
//超出数量范围(8m) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer1k.Enqueue(buf);
break;
case BufferLevel.k2:
if (Buffer2k.Count > 1024 * 4 * m_cacheMultiple)
{
//超出数量范围(8m) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer2k.Enqueue(buf);
break;
case BufferLevel.k4:
if (Buffer4k.Count > 1024 * 2 * m_cacheMultiple)
{
//超出数量范围(8m) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer4k.Enqueue(buf);
break;
case BufferLevel.k8:
if (Buffer8k.Count > 1024 * m_cacheMultiple)
{
//超出数量范围(8m) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer8k.Enqueue(buf);
break;
case BufferLevel.k16:
if (Buffer16k.Count > 512 * m_cacheMultiple)
{
//超出数量范围(8m) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer16k.Enqueue(buf);
break;
case BufferLevel.k32:
if (Buffer32k.Count > 256 * m_cacheMultiple)
{
//超出数量范围(8m) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer32k.Enqueue(buf);
break;
case BufferLevel.k64:
if (Buffer64k.Count > 128 * m_cacheMultiple)
{
//超出数量范围(8m) 直接GC
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_recyle:" + level.ToString());
#endif
break;
}
Buffer64k.Enqueue(buf);
break;
//
}
}
public byte[] GetBuf(BufferLevel level)
{
byte[] buf = null;
switch (level)
{
case BufferLevel.b128:
if (Buffer128b.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer128b.Dequeue();
//
break;
case BufferLevel.b256:
if (Buffer256b.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer256b.Dequeue();
//
break;
case BufferLevel.b512:
if (Buffer512b.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer512b.Dequeue();
//
break;
case BufferLevel.k1:
if (Buffer1k.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer1k.Dequeue();
//
break;
case BufferLevel.k2:
if (Buffer2k.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer2k.Dequeue();
//
break;
case BufferLevel.k4:
if (Buffer4k.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer4k.Dequeue();
//
break;
case BufferLevel.k8:
if (Buffer8k.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer8k.Dequeue();
//
break;
case BufferLevel.k16:
if (Buffer16k.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer16k.Dequeue();
//
break;
case BufferLevel.k32:
if (Buffer32k.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer32k.Dequeue();
//
break;
case BufferLevel.k64:
if (Buffer64k.Count == 0)
{
_addBuf(level);
}
buf = this.Buffer64k.Dequeue();
//
break;
//
}
return(buf);
}
/// <summary>
/// 添加一次是512K数据
/// </summary>
/// <param name="level"></param>
private void _addBuf(BufferLevel level)
{
#if DEBUG
//UnityEngine.Debug.LogWarning("##ByteListPool##_addBuf:" + level.ToString());
#endif
switch (level)
{
case BufferLevel.b128:
for (int i = 0; i < 4096; i++)
{
//系统会尽量申请地址连续的内存（512K）
Buffer128b.Enqueue(new byte[128]);
}
break;
case BufferLevel.b256:
for (int i = 0; i < 2048; i++)
{
Buffer256b.Enqueue(new byte[256]);
}
break;
case BufferLevel.b512:
for (int i = 0; i < 1024; i++)
{
Buffer512b.Enqueue(new byte[512]);
}
break;
case BufferLevel.k1:
for (int i = 0; i < 512; i++)
{
Buffer1k.Enqueue(new byte[1024]);
}
break;
case BufferLevel.k2:
for (int i = 0; i < 256; i++)
{
Buffer2k.Enqueue(new byte[1024 * 2]);
}
break;
case BufferLevel.k4:
for (int i = 0; i < 128; i++)
{
Buffer4k.Enqueue(new byte[1024 * 4]);
}
break;
case BufferLevel.k8:
for (int i = 0; i < 64; i++)
{
Buffer8k.Enqueue(new byte[1024 * 8]);
}
break;
case BufferLevel.k16:
for (int i = 0; i < 32; i++)
{
Buffer16k.Enqueue(new byte[1024 * 16]);
}
break;
case BufferLevel.k32:
for (int i = 0; i < 16; i++)
{
Buffer32k.Enqueue(new byte[1024 * 32]);
}
break;
case BufferLevel.k64:
for (int i = 0; i < 8; i++)
{
Buffer64k.Enqueue(new byte[1024 * 64]);
}
break;
//
}
//
}
/// <summary>
/// 设置指定缓存容量的 缓存倍数,如果编写程序中命中的缓存级别较大，可单独增加缓存数量
/// </summary>
/// <param name="level"></param>
/// <param name="multiple"></param>
public void SetCacheMultiple(BufferLevel level, byte multiple)
{
m_cacheMultiples[level] = Math.Max(1, (int)multiple);
}
