public string ReadAsciiLine()
{
sb.Length = 0;
bool bHadCR = false;
while (true)
{
if (AvailableData == 0)
{
if (ReadRaw() == 0)
// Connection closed while we were waiting for data
throw new IoBroken();
UseLeftOverBytes = true;
}
// Newlines in HTTP headers are expected to be CRLF.
// However, for better robustness, RFC 2616 recommends
// ignoring CR, and considering LF as new lines (section 19.3)
byte b = Buffer[BufferPosition++];
AvailableData--;
if (b == '\n')
break;
if (bHadCR)
sb.Append('\r');
if (b == '\r')
bHadCR = true;
else
{
bHadCR = false;
char c = (char)b;
sb.Append(c);
}
}
return sb.ToString();
}
internal HttpStatusLine(HttpSocket hs)
{
string line;
do
line = hs.ReadAsciiLine().Trim();
while (line.Length == 0);
string[] items = line.Split(sp,
StringSplitOptions.RemoveEmptyEntries);
// Note: the status line has three items: the HTTP protocol
// version, the status code, and the reason phrase.
// Only the reason phrase may be empty.
if (items.Length < 2)
throw new HttpProtocolBroken("Unrecognized status line '" +
line + "'");
ProtocolVersion = ParserHelper.ParseProtocolVersion(
items[0]);
string code = items[1];
if (code.Length != 3 ||
!char.IsDigit(code[0])) // we only test the first character
throw new HttpProtocolBroken("Invalid status code '" +
code + "'");
//string Reason = rest of the string; // we don't need it
StatusCode = int.Parse(code);
StatusLine = line;
}