/// <summary>
/// 如果数据满了,且缓冲区内的数据是空的则返回需要发送的数据
/// 调用Enqueue(...)后调用Dequeue(...),不能直接调用Dequeue(...)
/// </summary>
/// <param name="byteBuffer"></param>
/// <param name="iOffset"></param>
/// <param name="iLength"></param>
/// <returns></returns>
public void Enqueue(byte[] byteBuffer, long iOffset, long iLength)
{
if (byteBuffer == null)
{
throw new Exception("SendQueue.Enqueue(...) - byteBuffer == null error!");
}
if (iOffset < 0 || iOffset >= byteBuffer.Length)
{
throw new Exception("SendQueue.Enqueue(...) - iOffset < 0 || iOffset >= byteBuffer.Length error!");
}
if (iLength < 0 || iLength > byteBuffer.Length) // 如果iLength == 0就返回空,如果iLength == 0就跳过
{
throw new Exception("SendQueue.Enqueue(...) - iLength < 0 || iLength > byteBuffer.Length error!");
}
if ((byteBuffer.Length - iOffset) < iLength)
{
throw new Exception("SendQueue.Enqueue(...) - ( byteBuffer.Length - iOffset ) < iLength error!");
}
m_LockFlushAndPending.Enter();
{
do
{
if (m_FlushBuffer.IsNull == true)
{
// nothing yet buffered
m_FlushBuffer = SendBuffer.Instance();
if (m_FlushBuffer.IsNull == true)
{
throw new Exception("SendQueue.Enqueue(...) - m_FlushBuffer.IsNull == true error!");
}
}
// 当前已经写入的字节
long iBytesWritten = m_FlushBuffer.Write(byteBuffer, iOffset, iLength);
iOffset += iBytesWritten;
iLength -= iBytesWritten;
// 写入需要发送的数据的大小
m_WaitSendSize += iBytesWritten;
// 如果数据没有满,且数据写入完毕则退出,返回空,不添加到集合内
if (m_FlushBuffer.IsFull == true)
{
// 如果满了添加到集合内的尾处
m_PendingBuffer.Enqueue(m_FlushBuffer);
m_FlushBuffer = SendBuffer.NullBuffer; // 置空再次请求缓存
}
} while (iLength > 0);
}
m_LockFlushAndPending.Exit();
}
public void InstanceTest()
{
SendBuffer expected = new SendBuffer(); // TODO: 初始化为适当的值
SendBuffer actual;
actual = SendBuffer.Instance();
Assert.AreEqual(expected, actual);
Assert.Inconclusive("验证此测试方法的正确性。");
}