/// <summary>
/// 检查bytes是否匹配dataFieldCollection
/// </summary>
/// <param name="bytes"></param>
/// <returns></returns>
public ParseResult CheckBytes(string receivePartName, byte[] bytes)
{
if (bytes == null)
{
return(new LengthErrorResult(receivePartName, this.DataFields.BytesLength, 0));
}
// 1. check length
//
// TODO: 2010-06-08 return CheckLength max length while fail
//
//if (!this.DataFields.CheckLength(bytes))
// return new LengthErrorResult(receivePartName, this.DataFields.BytesLength, bytes.Length);
int dfsBytesLength = this.DataFields.Length;
if (bytes.Length < dfsBytesLength)
{
return(new LengthErrorResult(receivePartName, dfsBytesLength, bytes.Length));
}
// 1.1 check match check bytes
//
foreach (DataField df in this.DataFields)
{
if (df.IsMatchCheck)
{
log.Debug("MatchCheck datafield: {0}", df.Name);
byte[] bs = df.GetMatch(bytes);
log.Debug("Expected: {0}, Actual: {1}",
HexStringConverter.Default.ConvertToObject(df.Bytes),
HexStringConverter.Default.ConvertToObject(bs));
bool eq = BytesValueComparer.AreEqual(df.Bytes, bs);
if (!eq)
{
return(new DataErrorResult(receivePartName, df.Bytes, bs));
}
}
}
// 2. check crc
// get crcfg
//
DataField crcdf = this.DataFields.CRCDataField;
if (crcdf != null)
{
byte[] crcbs = this.CRCer.Calc(bytes, 0, this.DataFields.Length - crcdf.DataLength);
crcdf.Bytes = crcbs;
if (!crcdf.Match(bytes, 0))
{
return(new CRCErrorResult(receivePartName, crcbs, crcdf.GetMatch(bytes, 0)));
}
}
// 3. check need match df
//
return(new SuccessResult(receivePartName));
}
/// <summary>
/// 检查bytes是否匹配dataFieldCollection
/// </summary>
/// <param name="bytes"></param>
/// <returns></returns>
public IParseResult CheckBytes(string receivePartName, byte[] bytes)
{
if (bytes == null)
{
IParseResult pr = new LengthErrorResult(receivePartName, this.DataFields.BytesLength, 0);
pr.Name = receivePartName;
return(pr);
}
// 1. check length
//
// 2010-06-08 return CheckLength max length while fail
//
//if (!this.DataFields.CheckLength(bytes))
// return new LengthErrorResult(receivePartName, this.DataFields.BytesLength, bytes.Length);
int dfsBytesLength = this.DataFields.Length;
if (bytes.Length < dfsBytesLength)
{
IParseResult pr = new LengthErrorResult(receivePartName, dfsBytesLength, bytes.Length);
pr.Name = receivePartName;
return(pr);
}
// 1.1 check match check bytes
//
foreach (DataField df in this.DataFields)
{
if (df.IsMatchCheck)
{
log.Debug("MatchCheck datafield: {0}", df.Name);
byte[] bs = df.GetMatch(bytes);
log.Debug("Expected: {0}, Actual: {1}",
HexStringConverter.Default.ConvertToObject(df.Bytes),
HexStringConverter.Default.ConvertToObject(bs));
bool eq = BytesValueComparer.AreEqual(df.Bytes, bs);
if (!eq)
{
return(new DataErrorResult(receivePartName, df.Bytes, bs));
}
}
}
// 2. check crc
// get crcfg
//
DataField crcdf = this.DataFields.CRCDataField;
if (crcdf != null)
{
// 2011-01-05 crc calc error
//
//
// byte[] crcbs = this.CRCer.Calc(bytes, 0, this.DataFields.Length - crcdf.DataLength);
int bsLengthForCRC = crcdf.BeginPosition;
// 2011-12-30 crc calc begin position
//
//byte[] crcbs = this.CRCer.Calc(bytes, 0, bsLengthForCRC);
int calcLen = crcdf.BeginPosition - this.CRCBegin;
CheckCRCLength(calcLen);
byte[] crcbs = this.CRCer.Calc(bytes, this.CRCBegin, calcLen);
crcdf.Bytes = crcbs;
if (!crcdf.Match(bytes, 0))
{
return(new CRCErrorResult(receivePartName, crcbs, crcdf.GetMatch(bytes, 0)));
}
}
// 3. check need match df
//
return(new SuccessResult(receivePartName));
}