Refactored HttpListenerResponse.cs

This commit is contained in:
sta 2014-08-20 23:19:29 +09:00
parent e7aa1a469d
commit d942e75419
2 changed files with 46 additions and 48 deletions

View File

@ -58,14 +58,14 @@ namespace WebSocketSharp.Net
private bool _chunked;
private Encoding _contentEncoding;
private long _contentLength;
private bool _contentLengthSet;
private bool _contentLengthWasSet;
private string _contentType;
private HttpListenerContext _context;
private CookieCollection _cookies;
private bool _disposed;
private bool _forceCloseChunked;
private WebHeaderCollection _headers;
private bool _headersSent;
private bool _headersWereSent;
private bool _keepAlive;
private string _location;
private ResponseStream _outputStream;
@ -93,7 +93,7 @@ namespace WebSocketSharp.Net
internal bool CloseConnection {
get {
return _headers ["Connection"] == "close";
return _headers["Connection"] == "close";
}
}
@ -105,7 +105,7 @@ namespace WebSocketSharp.Net
internal bool HeadersSent {
get {
return _headersSent;
return _headersWereSent;
}
}
@ -117,8 +117,8 @@ namespace WebSocketSharp.Net
/// Gets or sets the encoding for the entity body data included in the response.
/// </summary>
/// <value>
/// A <see cref="Encoding"/> that represents the encoding for the entity body data, or
/// <see langword="null"/> if no encoding is specified.
/// A <see cref="Encoding"/> that represents the encoding for the entity body data,
/// or <see langword="null"/> if no encoding is specified.
/// </value>
/// <exception cref="InvalidOperationException">
/// The response has already been sent.
@ -142,7 +142,7 @@ namespace WebSocketSharp.Net
/// Gets or sets the size of the entity body data included in the response.
/// </summary>
/// <value>
/// A <see cref="long"/> that represents the value of the Content-Length entity-header field.
/// A <see cref="long"/> that represents the value of the Content-Length entity-header.
/// The value is a number of bytes in the entity body data.
/// </value>
/// <exception cref="ArgumentOutOfRangeException">
@ -165,7 +165,7 @@ namespace WebSocketSharp.Net
if (value < 0)
throw new ArgumentOutOfRangeException ("Less than zero.", "value");
_contentLengthSet = true;
_contentLengthWasSet = true;
_contentLength = value;
}
}
@ -174,8 +174,7 @@ namespace WebSocketSharp.Net
/// Gets or sets the media type of the entity body included in the response.
/// </summary>
/// <value>
/// The type of the content. A <see cref="string"/> that represents the value of
/// the Content-Type entity-header field.
/// A <see cref="string"/> that represents the value of the Content-Type entity-header.
/// </value>
/// <exception cref="ArgumentException">
/// The value specified for a set operation is empty.
@ -208,10 +207,10 @@ namespace WebSocketSharp.Net
}
/// <summary>
/// Gets or sets the cookies returned with the response.
/// Gets or sets the cookies sent with the response.
/// </summary>
/// <value>
/// A <see cref="CookieCollection"/> that contains the cookies returned with the response.
/// A <see cref="CookieCollection"/> that contains the cookies sent with the response.
/// </value>
/// <exception cref="InvalidOperationException">
/// The response has already been sent.
@ -232,10 +231,10 @@ namespace WebSocketSharp.Net
}
/// <summary>
/// Gets or sets the HTTP headers returned to the client.
/// Gets or sets the HTTP headers sent to the client.
/// </summary>
/// <value>
/// A <see cref="WebHeaderCollection"/> that contains the headers returned to the client.
/// A <see cref="WebHeaderCollection"/> that contains the headers sent to the client.
/// </value>
/// <exception cref="ArgumentNullException">
/// The value specified for a set operation is <see langword="null"/>.
@ -256,7 +255,7 @@ namespace WebSocketSharp.Net
/*
* "If you attempt to set a Content-Length, Keep-Alive, Transfer-Encoding,
* or WWW-Authenticate header using the Headers property, an exception
* will be thrown. Use the KeepAlive or ContentLength64 properties to set
* will be thrown. Use the ContentLength64 or KeepAlive properties to set
* these headers. You cannot set the Transfer-Encoding or WWW-Authenticate
* headers manually."
*/
@ -316,7 +315,7 @@ namespace WebSocketSharp.Net
/// Gets or sets the HTTP version used in the response.
/// </summary>
/// <value>
/// A <see cref="Version"/> that represents the HTTP version used in the response.
/// A <see cref="Version"/> that represents the version used in the response.
/// </value>
/// <exception cref="ArgumentException">
/// The value specified for a set operation doesn't have its <c>Major</c> property set to 1 or
@ -343,7 +342,7 @@ namespace WebSocketSharp.Net
throw new ArgumentNullException ("value");
if (value.Major != 1 || (value.Minor != 0 && value.Minor != 1))
throw new ArgumentException ("Neither 1.0 nor 1.1.", "value");
throw new ArgumentException ("Not 1.0 or 1.1.", "value");
_version = value;
}
@ -353,7 +352,7 @@ namespace WebSocketSharp.Net
/// Gets or sets the URL to which the client is redirected to locate a requested resource.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the value of the Location response-header field.
/// A <see cref="string"/> that represents the value of the Location response-header.
/// </value>
/// <exception cref="ArgumentException">
/// The value specified for a set operation is empty.
@ -406,7 +405,7 @@ namespace WebSocketSharp.Net
/// Gets or sets the HTTP status code returned to the client.
/// </summary>
/// <value>
/// An <see cref="int"/> that represents the HTTP status code for the response to the request.
/// An <see cref="int"/> that represents the status code for the response to the request.
/// The default value is <see cref="HttpStatusCode.OK"/>.
/// </value>
/// <exception cref="InvalidOperationException">
@ -428,7 +427,7 @@ namespace WebSocketSharp.Net
checkDisposedOrHeadersSent ();
if (value < 100 || value > 999)
throw new System.Net.ProtocolViolationException (
"StatusCode must be between 100 and 999.");
"StatusCode isn't between 100 and 999.");
_statusCode = value;
_statusDescription = value.GetStatusDescription ();
@ -439,7 +438,7 @@ namespace WebSocketSharp.Net
/// Gets or sets the description of the HTTP status code returned to the client.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the description of the HTTP status code.
/// A <see cref="string"/> that represents the description of the status code.
/// </value>
/// <exception cref="InvalidOperationException">
/// The response has already been sent.
@ -455,9 +454,9 @@ namespace WebSocketSharp.Net
set {
checkDisposedOrHeadersSent ();
_statusDescription = value == null || value.Length == 0
? _statusCode.GetStatusDescription ()
: value;
_statusDescription = value != null && value.Length > 0
? value
: _statusCode.GetStatusDescription ();
}
}
@ -474,9 +473,9 @@ namespace WebSocketSharp.Net
if (found.Count == 0)
return true;
var version = cookie.Version;
var ver = cookie.Version;
foreach (var c in found)
if (c.Version == version)
if (c.Version == ver)
return true;
return false;
@ -493,7 +492,7 @@ namespace WebSocketSharp.Net
if (_disposed)
throw new ObjectDisposedException (GetType ().ToString ());
if (_headersSent)
if (_headersWereSent)
throw new InvalidOperationException ("Cannot be changed after headers are sent.");
}
@ -520,7 +519,7 @@ namespace WebSocketSharp.Net
#region Internal Methods
internal void SendHeaders (bool closing, MemoryStream stream)
internal void SendHeaders (MemoryStream stream, bool closing)
{
if (_contentType != null) {
var contentType = _contentEncoding != null &&
@ -531,25 +530,25 @@ namespace WebSocketSharp.Net
_headers.SetInternally ("Content-Type", contentType, true);
}
if (_headers ["Server"] == null)
if (_headers["Server"] == null)
_headers.SetInternally ("Server", "websocket-sharp/1.0", true);
var provider = CultureInfo.InvariantCulture;
if (_headers ["Date"] == null)
if (_headers["Date"] == null)
_headers.SetInternally ("Date", DateTime.UtcNow.ToString ("r", provider), true);
if (!_chunked) {
if (!_contentLengthSet && closing) {
_contentLengthSet = true;
if (!_contentLengthWasSet && closing) {
_contentLengthWasSet = true;
_contentLength = 0;
}
if (_contentLengthSet)
if (_contentLengthWasSet)
_headers.SetInternally ("Content-Length", _contentLength.ToString (provider), true);
}
var version = _context.Request.ProtocolVersion;
if (!_contentLengthSet && !_chunked && version >= HttpVersion.Version11)
var ver = _context.Request.ProtocolVersion;
if (!_contentLengthWasSet && !_chunked && ver > HttpVersion.Version10)
_chunked = true;
/* Apache forces closing the connection for these status codes:
@ -581,7 +580,7 @@ namespace WebSocketSharp.Net
if (_chunked)
_headers.SetInternally ("Transfer-Encoding", "chunked", true);
int reuses = _context.Connection.Reuses;
var reuses = _context.Connection.Reuses;
if (reuses >= 100) {
_forceCloseChunked = true;
if (!connClose) {
@ -605,21 +604,21 @@ namespace WebSocketSharp.Net
foreach (Cookie cookie in _cookies)
_headers.SetInternally ("Set-Cookie", cookie.ToResponseString (), true);
var encoding = _contentEncoding ?? Encoding.Default;
var writer = new StreamWriter (stream, encoding, 256);
var enc = _contentEncoding ?? Encoding.Default;
var writer = new StreamWriter (stream, enc, 256);
writer.Write ("HTTP/{0} {1} {2}\r\n", _version, _statusCode, _statusDescription);
var headers = _headers.ToStringMultiValue (true);
writer.Write (headers);
writer.Flush ();
var preamble = encoding.CodePage == 65001 ? 3 : encoding.GetPreamble ().Length;
var preamble = enc.CodePage == 65001 ? 3 : enc.GetPreamble ().Length;
if (_outputStream == null)
_outputStream = _context.Connection.GetResponseStream ();
// Assumes that the stream was at position 0.
stream.Position = preamble;
_headersSent = true;
_headersWereSent = true;
}
#endregion
@ -627,7 +626,7 @@ namespace WebSocketSharp.Net
#region Public Methods
/// <summary>
/// Closes the connection to the client without sending a response.
/// Closes the connection to the client without returning a response.
/// </summary>
public void Abort ()
{
@ -753,7 +752,7 @@ namespace WebSocketSharp.Net
}
/// <summary>
/// Sends the response to the client, and releases the resources used by
/// Returns the response to the client and releases the resources used by
/// this <see cref="HttpListenerResponse"/> instance.
/// </summary>
public void Close ()
@ -765,7 +764,7 @@ namespace WebSocketSharp.Net
}
/// <summary>
/// Sends the response with the specified array of <see cref="byte"/> to the client, and
/// Returns the response with the specified array of <see cref="byte"/> to the client and
/// releases the resources used by this <see cref="HttpListenerResponse"/> instance.
/// </summary>
/// <param name="responseEntity">
@ -784,7 +783,7 @@ namespace WebSocketSharp.Net
/// <exception cref="ObjectDisposedException">
/// This object is closed.
/// </exception>
public void Close (byte [] responseEntity, bool willBlock)
public void Close (byte[] responseEntity, bool willBlock)
{
if (responseEntity == null)
throw new ArgumentNullException ("responseEntity");
@ -862,7 +861,7 @@ namespace WebSocketSharp.Net
/// A <see cref="Cookie"/> to set.
/// </param>
/// <exception cref="ArgumentException">
/// <paramref name="cookie"/> already exists in the cookies, and couldn't be replaced.
/// <paramref name="cookie"/> already exists in the cookies and couldn't be replaced.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="cookie"/> is <see langword="null"/>.
@ -890,14 +889,13 @@ namespace WebSocketSharp.Net
#region Explicit Interface Implementation
/// <summary>
/// Releases all resource used by the <see cref="HttpListenerResponse"/>.
/// Releases all resources used by the <see cref="HttpListenerResponse"/>.
/// </summary>
void IDisposable.Dispose ()
{
if (_disposed)
return;
// TODO: Abort or Close?
close (true); // Same as Abort.
}

View File

@ -127,7 +127,7 @@ namespace WebSocketSharp.Net
return null;
var stream = new MemoryStream ();
_response.SendHeaders (closing, stream);
_response.SendHeaders (stream, closing);
return stream;
}