public KcpClient(IKcpSocket client, ISessionListener listen)
{
_buffer = BufferQueue.Allocate(1024 * 32);
this.socket = client;
this._listen = listen;
client.onMessage += Socket_onMessage;
}
public static Segment Get(int size)
{
if (_pool.count > 0)
{
var seg = _pool.Get();
seg.data = BufferQueue.Allocate(size, true);
return(seg);
}
return(new Segment(size));
}
/// <summary>
/// 将一个ByteBuffer的有效字节区写入此缓存区中
/// </summary>
/// <param name="buffer">待写入的字节缓存区</param>
public void Write(BufferQueue buffer)
{
if (buffer == null)
{
return;
}
if (buffer.canRead <= 0)
{
return;
}
WriteBytes(buffer.ToArray());
}
/// <summary>
/// 复制一个对象，具有与原对象相同的数据，不改变原对象的数据，不包括已读数据
/// </summary>
/// <returns></returns>
public BufferQueue Copy()
{
if (_buffer == null)
{
return(new BufferQueue(16));
}
if (_read < _write)
{
byte[] newbytes = new byte[_write - _read];
Array.Copy(_buffer, _read, newbytes, 0, newbytes.Length);
BufferQueue buffer = new BufferQueue(newbytes.Length);
buffer.WriteBytes(newbytes);
buffer._pool = this._pool;
return(buffer);
}
return(new BufferQueue(16));
}
/// <summary>
/// 深度复制，具有与原对象相同的数据，不改变原对象的数据，包括已读数据
/// </summary>
/// <returns></returns>
public object Clone()
{
if (_buffer == null)
{
return(new BufferQueue(16));
}
BufferQueue newBuf = new BufferQueue(_buffer)
{
_capacity = this._capacity,
_read = this._read,
_write = this._write,
markReadIndex = this.markReadIndex,
markWirteIndex = this.markWirteIndex,
_pool = this._pool
};
return(newBuf);
}
internal void Reset()
{
conv = 0;
cmd = 0;
frg = 0;
wnd = 0;
ts = 0;
sn = 0;
una = 0;
rto = 0;
xmit = 0;
resendts = 0;
fastack = 0;
acked = 0;
data.Clear();
data.Dispose();
data = null;
}
/// <summary>
/// 构建一个capacity长度的字节缓存区ByteBuffer对象
/// </summary>
/// <param name="capacity">初始容量</param>
/// <param name="fromPool">
/// true表示获取一个池化的ByteBuffer对象，池化的对象必须在调用Dispose后才会推入池中，此方法为线程安全的。
/// 当为true时，从池中获取的对象的实际capacity值。
/// </param>
/// <returns>ByteBuffer对象</returns>
public static BufferQueue Allocate(int capacity, bool fromPool = false)
{
if (!fromPool)
{
return(new BufferQueue(capacity));
}
BufferQueue bbuf;
if (pool.count == 0)
{
bbuf = new BufferQueue(capacity)
{
_pool = true
};
return(bbuf);
}
bbuf = pool.Get();
if (!bbuf._pool)
{
bbuf._pool = true;
}
return(bbuf);
}
/// <summary>
/// 构建一个以bytes为字节缓存区的ByteBuffer对象，一般不推荐使用
/// </summary>
/// <param name="bytes">初始字节数组</param>
/// <param name="fromPool">
/// true表示获取一个池化的ByteBuffer对象，池化的对象必须在调用Dispose后才会推入池中，此方法为线程安全的。
/// </param>
/// <returns>ByteBuffer对象</returns>
public static BufferQueue Allocate(byte[] bytes, bool fromPool = false)
{
if (!fromPool)
{
return(new BufferQueue(bytes));
}
BufferQueue bbuf;
if (pool.count == 0)
{
bbuf = new BufferQueue(bytes)
{
_pool = true
};
return(bbuf);
}
bbuf = pool.Get();
bbuf.WriteBytes(bytes);
if (!bbuf._pool)
{
bbuf._pool = true;
}
return(bbuf);
}
private Segment(int size)
{
data = BufferQueue.Allocate(size, true);
}