/// <summary>
/// 解析回复头信息
/// </summary>
/// <param name="streamReader">数据读取器</param>
/// <returns></returns>
public static HttpResponseParseResult Parse(ISessionStreamReader streamReader)
{
var result = new HttpResponseParseResult();
streamReader.Position = 0;
if (streamReader.StartWith(HttpVersion11) == false)
{
return(result);
}
var endIndex = streamReader.IndexOf(DoubleCRLF);
if (endIndex < 0)
{
return(result);
}
streamReader.Position += HttpVersion11.Length + 1;
var statusLength = streamReader.IndexOf(Space);
if (statusLength < 0)
{
return(result);
}
var status = streamReader.ReadString(Encoding.ASCII, statusLength);
streamReader.Position += 1;
var descriptionLenth = streamReader.IndexOf(CRLF);
if (descriptionLenth < 0)
{
return(result);
}
var description = streamReader.ReadString(Encoding.ASCII, descriptionLenth);
streamReader.Position += CRLF.Length;
var httpHeader = new HttpHeader();
var headerLength = endIndex + DoubleCRLF.Length;
while (streamReader.Position < headerLength)
{
var keyLength = streamReader.IndexOf(KvSpliter);
if (keyLength <= 0)
{
break;
}
var key = streamReader.ReadString(Encoding.ASCII, keyLength);
streamReader.Position += KvSpliter.Length;
var valueLength = streamReader.IndexOf(CRLF);
if (valueLength < 0)
{
break;
}
var value = streamReader.ReadString(Encoding.ASCII, valueLength);
if (streamReader.StartWith(CRLF) == false)
{
break;
}
streamReader.Position += CRLF.Length;
httpHeader.Add(key, value);
}
result.Description = description;
result.Status = int.Parse(status);
result.IsHttp = true;
result.Header = httpHeader;
return(result);
}
