internal void ResetAll()
{
headerStBuilder.Length = 0;
StatusCode = 200;
isSend = false;
TransferEncoding = ResponseTransferEncoding.Identity;
writeContentState = WriteContentState.HttpHead;
ContentType = WebResponseContentType.TextPlain;//reset content type
ContentEncoding = ContentEncoding.Plain;
this.ContentTypeCharSet = TextCharSet.Utf8;
AllowCrossOriginPolicy = null;
headers.Clear();
ResetWritingBuffer();
}
public void ActualEnd()
{
switch (_writeContentState)
{
//generate head
case WriteContentState.HttpHead:
{
_headerStBuilder.Length = 0;
_headerStBuilder.Append("HTTP/1.1 ");
HeaderAppendStatusCode(_headerStBuilder, StatusCode);
HeaderAppendConnectionType(_headerStBuilder, this.KeepAlive);
//--------------------------------------------------------------------------------------------------------
_headerStBuilder.Append("Content-Type: " + GetContentType(this.ContentType));
switch (ContentTypeCharSet)
{
case TextCharSet.Utf8:
_headerStBuilder.Append(" ; charset=utf-8\r\n");
break;
case TextCharSet.Ascii:
_headerStBuilder.Append("\r\n");
break;
default:
throw new NotSupportedException();
}
if (_headers.Count > 0)
{
foreach (var kv in _headers)
{
_headerStBuilder.Append(kv.Key);
_headerStBuilder.Append(": ");
_headerStBuilder.Append(kv.Value);
_headerStBuilder.Append("\r\n");
}
}
//--------------------------------------------------------------------------------------------------------
switch (ContentEncoding)
{
case ContentEncoding.Plain:
//nothing
break;
case ContentEncoding.Gzip:
_headerStBuilder.Append("Content-Encoding: gzip\r\n");
break;
default:
throw new NotSupportedException();
}
//--------------------------------------------------------------------------------------------------------
//Access-Control-Allow-Origin
if (AllowCrossOriginPolicy != null)
{
AllowCrossOriginPolicy.WriteHeader(_headerStBuilder);
}
//--------------------------------------------------------------------------------------------------------
switch (this.TransferEncoding)
{
default:
case ResponseTransferEncoding.Identity:
{
_headerStBuilder.Append("Content-Length: ");
_headerStBuilder.Append(_contentByteCount);
_headerStBuilder.Append("\r\n");
//-----------------------------------------------------------------
_headerStBuilder.Append("\r\n"); //end header part
_writeContentState = WriteContentState.HttpBody;
//-----------------------------------------------------------------
//switch transfer encoding method of the body***
byte[] headBuffer = Encoding.UTF8.GetBytes(_headerStBuilder.ToString().ToCharArray());
byte[] dataToSend = new byte[headBuffer.Length + _contentByteCount];
Buffer.BlockCopy(headBuffer, 0, dataToSend, 0, headBuffer.Length);
var pos = _bodyMs.Position;
_bodyMs.Position = 0;
_bodyMs.Read(dataToSend, headBuffer.Length, _contentByteCount);
//----------------------------------------------------
//copy data to send buffer
_sendIO.EnqueueSendingData(dataToSend, dataToSend.Length);
//----------------------------------------------------
ResetAll();
}
break;
case ResponseTransferEncoding.Chunked:
{
_headerStBuilder.Append("Transfer-Encoding: " + GetTransferEncoding(TransferEncoding) + "\r\n");
_headerStBuilder.Append("\r\n");
_writeContentState = WriteContentState.HttpBody;
//chunked transfer
byte[] headBuffer = Encoding.UTF8.GetBytes(_headerStBuilder.ToString().ToCharArray());
_sendIO.EnqueueSendingData(headBuffer, headBuffer.Length);
WriteContentBodyInChunkMode();
ResetAll();
}
break;
}
}
break;
//==============================
case WriteContentState.HttpBody:
{
//in chunked case,
WriteContentBodyInChunkMode();
ResetAll();
}
break;
default:
{
throw new NotSupportedException();
}
}
//-----------------------
//send
StartSend();
}
public void End()
{
switch (writeContentState)
{
//generate head
case WriteContentState.HttpHead:
{
headerStBuilder.Length = 0;
headerStBuilder.Append("HTTP/1.1 ");
HeaderAppendStatusCode(headerStBuilder, StatusCode);
HeaderAppendConnectionType(headerStBuilder, this.context.KeepAlive);
//--------------------------------------------------------------------------------------------------------
headerStBuilder.Append("Content-Type: " + GetContentType(this.ContentType));
switch (ContentTypeCharSet)
{
case TextCharSet.Utf8:
headerStBuilder.Append(" ; charset=utf-8\r\n");
break;
case TextCharSet.Ascii:
headerStBuilder.Append("\r\n");
break;
default:
throw new NotSupportedException();
}
//--------------------------------------------------------------------------------------------------------
switch (ContentEncoding)
{
case WebServers.ContentEncoding.Plain:
//nothing
break;
case WebServers.ContentEncoding.Gzip:
headerStBuilder.Append("Content-Encoding: gzip\r\n");
break;
default:
throw new NotSupportedException();
}
//--------------------------------------------------------------------------------------------------------
//Access-Control-Allow-Origin
if (AllowCrossOriginPolicy != null)
{
AllowCrossOriginPolicy.WriteHeader(headerStBuilder);
}
//--------------------------------------------------------------------------------------------------------
switch (this.TransferEncoding)
{
default:
case ResponseTransferEncoding.Identity:
{
headerStBuilder.Append("Content-Length: ");
headerStBuilder.Append(contentByteCount);
headerStBuilder.Append("\r\n");
//-----------------------------------------------------------------
headerStBuilder.Append("\r\n");//end header part
writeContentState = WriteContentState.HttpBody;
//-----------------------------------------------------------------
//switch transfer encoding method of the body***
var headBuffer = Encoding.UTF8.GetBytes(headerStBuilder.ToString().ToCharArray());
byte[] dataToSend = new byte[headBuffer.Length + contentByteCount];
Buffer.BlockCopy(headBuffer, 0, dataToSend, 0, headBuffer.Length);
var pos = bodyMs.Position;
bodyMs.Position = 0;
bodyMs.Read(dataToSend, headBuffer.Length, contentByteCount);
//----------------------------------------------------
//copy data to send buffer
sendIO.EnqueueOutputData(dataToSend, dataToSend.Length);
//----------------------------------------------------
ResetAll();
}
break;
case ResponseTransferEncoding.Chunked:
{
headerStBuilder.Append("Transfer-Encoding: " + GetTransferEncoding(TransferEncoding) + "\r\n");
headerStBuilder.Append("\r\n");
writeContentState = WriteContentState.HttpBody;
//chunked transfer
var headBuffer = Encoding.UTF8.GetBytes(headerStBuilder.ToString().ToCharArray());
sendIO.EnqueueOutputData(headBuffer, headBuffer.Length);
WriteContentBodyInChunkMode();
ResetAll();
}
break;
}
}
break;
//==============================
case WriteContentState.HttpBody:
{
//in chunked case,
WriteContentBodyInChunkMode();
ResetAll();
}
break;
default:
{
throw new NotSupportedException();
}
}
//-----------------------
//send
StartSend();
}
internal void ResetAll()
{
headerStBuilder.Length = 0;
StatusCode = 200;
isSend = false;
TransferEncoding = ResponseTransferEncoding.Identity;
writeContentState = WriteContentState.HttpHead;
ContentType = WebResponseContentType.TextPlain;//reset content type
ContentEncoding = ContentEncoding.Plain;
this.ContentTypeCharSet = TextCharSet.Utf8;
AllowCrossOriginPolicy = null;
headers.Clear();
ResetWritingBuffer();
}
