/// <summary>
/// 请求新的内存空间
/// </summary>
/// <param name="iLength"></param>
public void Rebulid( int iLength )
{
this.Release();
m_Stream = PacketWriter.Instance( iLength ); // 通过Release(...)返回进入空闲的集合
}
/// <summary>
/// 表示数据已发送完成,释放请求过的加解压缩的内存
/// </summary>
public void Release()
{
// 检测有没有调用过Free(...)函数
if ( Interlocked.Exchange( ref m_bIsRelease, 1 ) == 1 )
return;
if ( m_Stream != null )
{
m_Stream.Release(); // 返回进入空闲的集合
m_Stream = null;
}
}
/// <summary>
///
/// </summary>
/// <param name="iCapacity"></param>
/// <returns></returns>
internal static PacketWriter Instance( long iCapacity )
{
PacketWriter packetWriter = null;
s_LockPacketWriterPool.Enter();
{
if ( s_PacketWriterPool.Count > 0 )
{
packetWriter = s_PacketWriterPool.Pop();
if ( packetWriter != null )
{
packetWriter.m_Capacity = iCapacity;
packetWriter.m_Stream.SetLength( 0 );
Interlocked.Exchange( ref packetWriter.m_bIsInPool, 0 );
}
}
}
s_LockPacketWriterPool.Exit();
if ( packetWriter == null )
packetWriter = new PacketWriter( iCapacity );
return packetWriter;
}
