/// <summary>
/// Initializes a new instance of the <see cref="BeginEndMarkReceiveFilter{TPackageInfo}"/> class.
/// </summary>
/// <param name="beginMark">The begin mark.</param>
/// <param name="endMark">The end mark.</param>
/// <param name="fixedlen">The fixed length.</param>
public BeginEndMarkFixedBodyReceiveFilter(byte[] beginMark, byte[] endMark, int fixedlen)
{
m_BeginSearchState = new SearchMarkState <byte>(beginMark);
m_EndSearchState = new SearchMarkState <byte>(endMark);
m_FixedLen = fixedlen;
m_packagelenbuffer = new byte[m_FixedLen];
}
/// <summary>
/// Initializes a new instance of the <see cref="CountSpliterReceiveFilter{TPackageInfo}"/> class.
/// </summary>
/// <param name="spliter">The spliter.</param>
/// <param name="spliterCount">The spliter count.</param>
protected CountSpliterReceiveFilter(byte[] spliter, int spliterCount)
{
m_SpliterSearchState = new SearchMarkState <byte>(spliter);
m_SpliterCount = spliterCount;
}
/// <summary>
/// Initializes a new instance of the <see cref="BeginEndMarkReceiveFilter{TPackageInfo}"/> class.
/// </summary>
/// <param name="beginMark">The begin mark.</param>
/// <param name="endMark">The end mark.</param>
public BeginEndMarkReceiveFilter(byte[] beginMark, byte[] endMark)
{
m_BeginSearchState = new SearchMarkState <byte>(beginMark);
m_EndSearchState = new SearchMarkState <byte>(endMark);
}
/// <summary>
/// Initializes a new instance of the <see cref="TerminatorReceiveFilter{TPackageInfo}"/> class.
/// </summary>
/// <param name="terminator">The terminator.</param>
protected TerminatorReceiveFilter(byte[] terminator)
{
m_SearchState = new SearchMarkState <byte>(terminator);
}
/// <summary>
/// Searches the mark from source.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source">The source.</param>
/// <param name="offset">The offset.</param>
/// <param name="length">The length.</param>
/// <param name="searchState">State of the search.</param>
/// <param name="parsedLength">Length of the parsed.</param>
/// <returns></returns>
public static int SearchMark <T>(this IList <T> source, int offset, int length, SearchMarkState <T> searchState, out int parsedLength)
where T : IEquatable <T>
{
int?result = source.SearchMark(offset, length, searchState.Mark, searchState.Matched, out parsedLength);
if (!result.HasValue)
{
searchState.Matched = 0;
return(-1);
}
if (result.Value < 0)
{
searchState.Matched = 0 - result.Value;
return(-1);
}
searchState.Matched = 0;
return(result.Value);
}