/// <summary>
/// 获取报文body并解析为领域对象.
/// </summary>
/// <param name="header">报文头部的内容</param>
/// <param name="bodyBuffer">缓冲区</param>
/// <param name="offset">报文body的起始位置</param>
/// <param name="length">报文body的长度</param>
/// <returns></returns>
protected override RainfallRequestInfo ResolveRequestInfo(ArraySegment <byte> header, byte[] bodyBuffer, int offset, int length)
{
//功能码.
byte functionCode = header.Array[header.Offset];
//数据段长度.
byte BodyLen = header.Array[header.Offset + 1];
//数据段+CRC码内容.
byte[] bodyBytesAndCrc = bodyBuffer.CloneRange(offset, length);
RainfallRequestHeader contextHeader = new RainfallRequestHeader();
contextHeader.FunctionCode = functionCode;
contextHeader.BodyLen = BodyLen;
//数据段内容.
byte[] bodyBytes = new byte[bodyBytesAndCrc.Length - 1];
Array.Copy(bodyBytesAndCrc, bodyBytes, bodyBytes.Length);
contextHeader.Body = bodyBytes;
//CRC码内容.
contextHeader.Crc = bodyBytesAndCrc[bodyBytesAndCrc.Length - 1];
//完整报文内容.
byte[] original = new byte[header.Array.Length + bodyBytesAndCrc.Length];
header.Array.CopyTo(original, 0);
bodyBytesAndCrc.CopyTo(original, header.Array.Length);
return(new RainfallRequestInfo(BitConverter.ToString(new byte[] { contextHeader.FunctionCode }), contextHeader, original));
}
public RainfallRequestInfo(string key, RainfallRequestHeader header, byte[] originalData)
: base(key, header.Body)
{
Header = header;
this.originalData = originalData;
}