/// <summary>
/// 发送已缓存
/// </summary>
/// <param name="requestData"></param>
/// <param name="cache"></param>
private static void SendCache(RequestData requestData, CacheManager.Cache cache)
{
if (String.Compare(requestData.GetEtag(), cache.Key, StringComparison.OrdinalIgnoreCase) == 0 || requestData.IfModifiedSince() == cache.LastWriteTime)
{
byte[] array = ResultFactory.BuildCacheResult(cache.Key, cache.LastWriteTime, requestData.IsKeepAlive(), 0);
requestData.Socket.Write(array, new Action <OwinSocket, int, Exception, object>(SendCompleteCallback), requestData);
return;
}
Tuple <int, int> tuple = requestData.IfRange();
if (tuple != null)
{
int num;
int num2;
GetNextSize(tuple, cache.FileBytes.Length, out num, out num2);
byte[] array2 = new byte[num2];
Buffer.BlockCopy(cache.FileBytes, num, array2, 0, num2);
string s2 = ResultFactory.BuildResult(206, cache.HttpMimeType, "", num, checked (num + num2), cache.FileBytes.Length, false, requestData.IsKeepAlive());
requestData.Socket.WriteForPost(Encoding.ASCII.GetBytes(s2), array2, new Action <OwinSocket, int, Exception, object>(SendCompleteCallback), requestData);
return;
}
byte[] array3 = (cache.FileBytesCompress != null) ? cache.FileBytesCompress : cache.FileBytes;
byte[] array4 = ResultFactory.BuildSuccessResult(cache.HttpMimeType, array3.Length, cache.Key, cache.LastWriteTime, requestData.IsKeepAlive(), cache.FileBytesCompress != null);
requestData.Socket.WriteForPost(array4, array3, new Action <OwinSocket, int, Exception, object>(SendCompleteCallback), requestData);
}
public void Run()
{
try
{
_fs = File.OpenRead(_fileName);
}
catch
{
EndRequest(_req.Socket, 500, "can't open file.");
_req.SaveToPoll();
_req = null;
return;
}
string extention = CommonUtil.GetFileExtention(_fileName);
string mimeType = HttpMimeTypeManage.GetHttpMimeType(extention);
Tuple <int, int> tuple = _req.IfRange();
int num;
int num2;
if (tuple == null)
{
byte[] headDomain = ResultFactory.BuildSuccessResult(mimeType, _fileSize, "", CommonUtil.GetFileTime(_modifyTime), _req.IsKeepAlive(), false);
byte[] body = new byte[32768];
_fs.Read(body, 0, body.Length);
_sendedSize += body.Length;
_offsetSize -= body.Length;
_req.Socket.WriteForPost(headDomain, body, new Action <OwinSocket, int, Exception, object>(CompilteCallback), null);
return;
}
//续传
GetNextSize(tuple, checked ((int)_fileSize), out num, out num2);
_sendedSize = num;
_offsetSize = num2;
string s = ResultFactory.BuildResult(206, mimeType, "", _sendedSize, _offsetSize, _fileSize, false, _req.IsKeepAlive());
byte[] array3 = (_offsetSize > 32768L) ? new byte[32768] : new byte[_offsetSize];
_fs.Seek(_sendedSize, SeekOrigin.Begin);
_fs.Read(array3, (int)_sendedSize, array3.Length);
_sendedSize += array3.Length;
_offsetSize -= array3.Length;
_req.Socket.WriteForPost(Encoding.ASCII.GetBytes(s), array3, new Action <OwinSocket, int, Exception, object>(CompilteCallback), null);
}
private static void SendFile(RequestData req, string file, long mtime, long fsize)
{
byte[] array = null;
try
{
array = File.ReadAllBytes(file);
}
catch
{
EndRequest(req.Socket, 500, "Can't Open File.");
req.SaveToPoll();
req = null;
return;
}
string fileExtention = CommonUtil.GetFileExtention(file);
string mimeType = HttpMimeTypeManage.GetHttpMimeType(fileExtention);
Tuple <int, int> tuple = req.IfRange();
if (tuple == null)
{
byte[] array2 = ResultFactory.BuildSuccessResult(mimeType, fsize, CacheManager.FileLastTimeAndFileLengthString(file, fsize, mtime), CommonUtil.GetFileTime(mtime), req.IsKeepAlive(), false);
req.Socket.WriteForPost(array2, array, new Action <OwinSocket, int, Exception, object>(SendCompleteCallback), req);
CacheManager.Save(req.RequestUrl, file, array, req.SafeRequestUrl);
return;
}
int num3 = 0;
int num4 = checked ((int)fsize);
GetNextSize(tuple, fsize, out num3, out num4);
byte[] array3 = new byte[num4];
Buffer.BlockCopy(array, num3, array3, 0, num4);
//206的续传回应
string s = ResultFactory.BuildResult(206, mimeType, "", num3, checked (num3 + num4), fsize, false, req.IsKeepAlive());
byte[] bytes = Encoding.ASCII.GetBytes(s);
req.Socket.WriteForPost(bytes, array3, new Action <OwinSocket, int, Exception, object>(SendCompleteCallback), req);
}