public ResponseStream GetResponseStream()
{
// TODO: Can we get this stream before reading the input?
if (_outputStream != null || _socket == null)
{
return(_outputStream);
}
lock (_sync) {
if (_socket == null)
{
return(_outputStream);
}
var lsnr = _context.Listener;
var ignore = lsnr != null ? lsnr.IgnoreWriteExceptions : true;
_outputStream = new ResponseStream(_stream, _context.Response, ignore);
return(_outputStream);
}
}
internal void SendHeaders (MemoryStream stream, bool closing)
{
if (_contentType != null) {
var type = _contentType.IndexOf ("charset=", StringComparison.Ordinal) == -1 &&
_contentEncoding != null
? String.Format ("{0}; charset={1}", _contentType, _contentEncoding.WebName)
: _contentType;
_headers.InternalSet ("Content-Type", type, true);
}
if (_headers["Server"] == null)
_headers.InternalSet ("Server", "websocket-sharp/1.0", true);
var prov = CultureInfo.InvariantCulture;
if (_headers["Date"] == null)
_headers.InternalSet ("Date", DateTime.UtcNow.ToString ("r", prov), true);
if (!_chunked) {
if (!_contentLengthWasSet && closing) {
_contentLengthWasSet = true;
_contentLength = 0;
}
if (_contentLengthWasSet)
_headers.InternalSet ("Content-Length", _contentLength.ToString (prov), true);
}
var ver = _context.Request.ProtocolVersion;
if (!_contentLengthWasSet && !_chunked && ver > HttpVersion.Version10)
_chunked = true;
/*
* Apache forces closing the connection for these status codes:
* - HttpStatusCode.BadRequest 400
* - HttpStatusCode.RequestTimeout 408
* - HttpStatusCode.LengthRequired 411
* - HttpStatusCode.RequestEntityTooLarge 413
* - HttpStatusCode.RequestUriTooLong 414
* - HttpStatusCode.InternalServerError 500
* - HttpStatusCode.ServiceUnavailable 503
*/
var closeConn = _statusCode == 400 ||
_statusCode == 408 ||
_statusCode == 411 ||
_statusCode == 413 ||
_statusCode == 414 ||
_statusCode == 500 ||
_statusCode == 503;
if (!closeConn)
closeConn = !_context.Request.KeepAlive;
// They sent both KeepAlive: true and Connection: close!?
if (!_keepAlive || closeConn) {
_headers.InternalSet ("Connection", "close", true);
closeConn = true;
}
if (_chunked)
_headers.InternalSet ("Transfer-Encoding", "chunked", true);
var reuses = _context.Connection.Reuses;
if (reuses >= 100) {
_forceCloseChunked = true;
if (!closeConn) {
_headers.InternalSet ("Connection", "close", true);
closeConn = true;
}
}
if (!closeConn) {
_headers.InternalSet (
"Keep-Alive", String.Format ("timeout=15,max={0}", 100 - reuses), true);
if (ver < HttpVersion.Version11)
_headers.InternalSet ("Connection", "keep-alive", true);
}
if (_location != null)
_headers.InternalSet ("Location", _location, true);
if (_cookies != null)
foreach (Cookie cookie in _cookies)
_headers.InternalSet ("Set-Cookie", cookie.ToResponseString (), true);
var enc = _contentEncoding ?? Encoding.Default;
var writer = new StreamWriter (stream, enc, 256);
writer.Write ("HTTP/{0} {1} {2}\r\n", _version, _statusCode, _statusDescription);
writer.Write (_headers.ToStringMultiValue (true));
writer.Flush ();
// Assumes that the stream was at position 0.
stream.Position = enc.CodePage == 65001 ? 3 : enc.GetPreamble ().Length;
if (_outputStream == null)
_outputStream = _context.Connection.GetResponseStream ();
_headersWereSent = true;
}
internal void SendHeaders(MemoryStream stream, bool closing)
{
if (_contentType != null)
{
var type = _contentType.IndexOf("charset=", StringComparison.Ordinal) == -1 &&
_contentEncoding != null
? String.Format("{0}; charset={1}", _contentType, _contentEncoding.WebName)
: _contentType;
_headers.InternalSet("Content-Type", type, true);
}
if (_headers["Server"] == null)
{
_headers.InternalSet("Server", "websocket-sharp/1.0", true);
}
var prov = CultureInfo.InvariantCulture;
if (_headers["Date"] == null)
{
_headers.InternalSet("Date", DateTime.UtcNow.ToString("r", prov), true);
}
if (!_chunked)
{
if (!_contentLengthWasSet && closing)
{
_contentLengthWasSet = true;
_contentLength = 0;
}
if (_contentLengthWasSet)
{
_headers.InternalSet("Content-Length", _contentLength.ToString(prov), true);
}
}
var ver = _context.Request.ProtocolVersion;
if (!_contentLengthWasSet && !_chunked && ver > HttpVersion.Version10)
{
_chunked = true;
}
/*
* Apache forces closing the connection for these status codes:
* - HttpStatusCode.BadRequest 400
* - HttpStatusCode.RequestTimeout 408
* - HttpStatusCode.LengthRequired 411
* - HttpStatusCode.RequestEntityTooLarge 413
* - HttpStatusCode.RequestUriTooLong 414
* - HttpStatusCode.InternalServerError 500
* - HttpStatusCode.ServiceUnavailable 503
*/
var closeConn = _statusCode == 400 ||
_statusCode == 408 ||
_statusCode == 411 ||
_statusCode == 413 ||
_statusCode == 414 ||
_statusCode == 500 ||
_statusCode == 503;
if (!closeConn)
{
closeConn = !_context.Request.KeepAlive;
}
// They sent both KeepAlive: true and Connection: close!?
if (!_keepAlive || closeConn)
{
_headers.InternalSet("Connection", "close", true);
closeConn = true;
}
if (_chunked)
{
_headers.InternalSet("Transfer-Encoding", "chunked", true);
}
var reuses = _context.Connection.Reuses;
if (reuses >= 100)
{
_forceCloseChunked = true;
if (!closeConn)
{
_headers.InternalSet("Connection", "close", true);
closeConn = true;
}
}
if (!closeConn)
{
_headers.InternalSet(
"Keep-Alive", String.Format("timeout=15,max={0}", 100 - reuses), true);
if (ver < HttpVersion.Version11)
{
_headers.InternalSet("Connection", "keep-alive", true);
}
}
if (_location != null)
{
_headers.InternalSet("Location", _location, true);
}
if (_cookies != null)
{
foreach (Cookie cookie in _cookies)
{
_headers.InternalSet("Set-Cookie", cookie.ToResponseString(), true);
}
}
var enc = _contentEncoding ?? Encoding.Default;
var writer = new StreamWriter(stream, enc, 256);
writer.Write("HTTP/{0} {1} {2}\r\n", _version, _statusCode, _statusDescription);
writer.Write(_headers.ToStringMultiValue(true));
writer.Flush();
// Assumes that the stream was at position 0.
stream.Position = enc.CodePage == 65001 ? 3 : enc.GetPreamble().Length;
if (_outputStream == null)
{
_outputStream = _context.Connection.GetResponseStream();
}
_headersWereSent = true;
}
