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);
}
public static void Save(string key, string path, byte[] array, string safeRequestUrl)
{
if (Interlocked.CompareExchange(ref _addingLockTag, 1, 0) != 0)
{
return;
}
if (HasCached(key))
{
Interlocked.Exchange(ref _addingLockTag, 0);
return;
}
if (!_mainLock.TryEnterWriteLock(500))
{
Interlocked.Exchange(ref _addingLockTag, 0);
return;
}
try
{
if (_nowUsedMemory <= BuffMaxMemory)
{
if (_arrayCacheTable.Count <= BuffMaxFiles)
{
long lastWriteTime = 0;
long fileLength = 0;
if (CommonUtil.GetFileLastWriteTimeAndLength(path, ref lastWriteTime, ref fileLength))
{
string cacheKey = FileLastTimeAndFileLengthString(path, fileLength, lastWriteTime);
if (array == null)
{
array = File.ReadAllBytes(path);
}
Cache cache = new Cache();
cache.FileBytes = array;
string safePath = CommonUtil.GetFileExtention(path);
if (!string.IsNullOrEmpty(safePath))
{
safePath = safePath.ToLower();
}
if (array.Length >= MinFileSize_GZIP && IsInzipFileExtList(safePath))
{
try
{
cache.FileBytesCompress = CommonUtil.Compress(array);
}
catch
{
cache.FileBytesCompress = null;
}
}
cache.LastWriteTime = CommonUtil.GetFileTime(lastWriteTime);
cache.LastWriteTimeLong = lastWriteTime;
cache.Times = ActionQueue.LongTimes / 1000L;
cache.Path = path;
cache.Key = cacheKey;
cache.HttpMimeType = HttpMimeTypeManage.GetHttpMimeType(safePath);
cache.RequestUrl = safeRequestUrl;
_arrayCacheTable.Add(key, cache);
_nowUsedMemory += array.Length;
}
}
}
}
catch
{
//ignore
}
finally
{
_mainLock.ExitWriteLock();
Interlocked.Exchange(ref _addingLockTag, 0);
}
}
