public MessageBlock(MessageBlockType type, int parameter, DataBlock body)
: this()
{
Type = type;
Parameter = parameter;
if (body != null)
{
Body = body;
}
CreateHead();
}
public MessageBlock(MessageBlockType type, int parameter)
: this(type, parameter, null)
{
}
/// <summary>
/// 创建一个特定类型的MessageBlok
/// </summary>
/// <param name="type"></param>
public MessageBlock(MessageBlockType type)
: this(type, 0, null)
{
}
/// <summary>
/// �����ݵõ�һ����Ϣ
/// </summary>
/// <param name="data">������Ϣ������</param>
/// <param name="getHeadData">�Ƿ�õ�ͷ��Ϣ</param>
public void FromBytes(byte[] data, bool getHeadData, int maxBodyLength)
{
int index = 0;
int length = (int)MyConvert.ToUInt32(data, index);
bodyLength = length - HeadLength;
if (bodyLength > maxBodyLength)
{
throw new NetException(string.Format("message is too large {0}/{1}", bodyLength, maxBodyLength));
}
index += 4;
Type = (MessageBlockType)MyConvert.ToUInt32(data, index);
index += 4;
Parameter = (int)MyConvert.ToUInt32(data, index);
if (!getHeadData && length > HeadLength)
{
index += 4;
body = new DataBlock(length - HeadLength);
Array.Copy(data, index, body.Buffer, body.WriteIndex, body.WritableLength);
body.WriteIndex += body.WritableLength;
}
else if (BodyLength >= 0)
{
body = new DataBlock(length - HeadLength);
}
else
{
throw new NetException("Bad message block head data.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageBlock"/> class.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="parameter">The parameter.</param>
/// <param name="body">The body.</param>
public MessageBlock(MessageBlockType type, int parameter, DataBlock body)
: this()
{
Type = type;
Parameter = parameter;
if (body != null)
Body = body;
CreateHead();
}
/// <summary>
/// Initializes a new instance of the <see cref="MessageBlock"/> class.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="parameter">The parameter.</param>
public MessageBlock(MessageBlockType type, int parameter)
: this(type, parameter, null)
{
}
/// <summary>
/// ����һ���ض����͵�MessageBlok
/// </summary>
/// <param name="type"></param>
public MessageBlock(MessageBlockType type)
: this(type, 0, null)
{
}