/// <summary>
/// 设置文件缓存
/// </summary>
/// <param name="path"></param>
/// <param name="fileCache"></param>
/// <param name="fileSize"></param>
private void set(ref FileCacheKey path, FileCache fileCache, int fileSize)
{
Monitor.Enter(fileLock);
try
{
fileCache.Size = fileSize;
FileCache oldFileCache = files.Set(ref path, fileCache);
freeCacheSize -= fileSize;
if (oldFileCache == null)
{
while (freeCacheSize < 0 && files.Count > 1)
{
freeCacheSize += files.UnsafePopValue().Size;
}
}
else if (oldFileCache != fileCache)
{
freeCacheSize += oldFileCache.Size;
}
}
finally { Monitor.Exit(fileLock); }
}
internal static void Set(ref FileCacheKey path, FileCache fileCache, int fileSize)
{
queues[path.HashCode & 0xff].set(ref path, fileCache, fileSize);
}
internal static byte Get(ref FileCacheKey path, out FileCache fileCache, bool isCopyPath)
{
return(queues[path.HashCode & 0xff].get(ref path, out fileCache, isCopyPath));
}
/// <summary>
/// HTTP文件请求处理
/// </summary>
/// <param name="path">请求路径</param>
/// <param name="ifModifiedSince">文件修改时间</param>
/// <param name="response">HTTP响应输出</param>
/// <param name="isCopyPath">是否复制请求路径</param>
/// <returns>文件缓存</returns>
protected unsafe FileCache file(byte[] path, SubArray <byte> ifModifiedSince, ref Http.Response response, bool isCopyPath)
{
string cacheFileName = null;
try
{
if (path.Length != 0 && WorkPath.Length + path.Length <= AutoCSer.IO.File.MaxFullNameLength)
{
byte[] contentType = null;
bool isCompress = true;
fixed(byte *pathFixed = path)
{
byte *pathStart = pathFixed, pathEnd = pathStart + path.Length;
if (isFile(pathEnd, ref contentType, ref isCompress) == 0)
{
if (*pathStart == '/')
{
++pathStart;
}
for (byte *formatStart = pathStart; formatStart != pathEnd; ++formatStart)
{
if (*formatStart == ':')
{
response = Http.Response.Blank;
return(null);
}
}
int cachePathLength = (int)(pathEnd - pathStart);
FileCacheKey cacheKey = new FileCacheKey(pathIdentity, path, (int)(pathStart - pathFixed), cachePathLength);
FileCache fileCache = FileCacheQueue.Get(ref cacheKey);
if (fileCache == null)
{
cacheFileName = StringExtension.FastAllocateString(WorkPath.Length + cachePathLength);
fixed(char *nameFixed = cacheFileName)
{
char *write = nameFixed + WorkPath.Length;
char directorySeparatorChar = Path.DirectorySeparatorChar;
StringExtension.CopyNotNull(WorkPath, nameFixed);
for (byte *start = pathStart; start != pathEnd; ++start)
{
*write++ = *start == '/' ? directorySeparatorChar : (char)*start;
}
}
FileInfo file = new FileInfo(cacheFileName);
if (file.Exists)
{
string fileName = file.FullName;
if (fileName.Length > WorkPath.Length && WorkPath.equalCaseNotNull(fileName, WorkPath.Length))
{
if (fileName.Length <= AutoCSer.IO.File.MaxFullNameLength && file.Length <= FileCacheQueue.MaxFileSize)
{
if (FileCacheQueue.Get(ref cacheKey, out fileCache, isCopyPath) != 0)
{
try
{
fileCache.LastModified = file.LastWriteTimeUtc.UniversalNewBytes();
int extensionNameLength = (int)(pathEnd - getExtensionNameStart(pathEnd));
SubArray <byte> fileData = readCacheFile(new SubString {
String = fileName, Start = fileName.Length - extensionNameLength, Length = extensionNameLength
});
FileCacheQueue.Set(ref cacheKey, fileCache, fileCache.Set(ref fileData, contentType, cacheControl, isCompress));
if (ifModifiedSince.Length == fileCache.LastModified.Length)
{
fixed(byte *ifModifiedSinceFixed = ifModifiedSince.Array)
{
if (Memory.EqualNotNull(fileCache.LastModified, ifModifiedSinceFixed + ifModifiedSince.Start, ifModifiedSince.Length))
{
response = Http.Response.NotChanged304;
return(null);
}
}
}
}
finally
{
if (fileCache.IsData == 0)
{
fileCache.PulseAll();
fileCache = null;
FileCacheQueue.RemoveOnly(ref cacheKey);
}
}
}
}
else
{
if (ifModifiedSince.Length == Date.ToByteLength && Date.UniversalByteEquals(file.LastWriteTimeUtc, ifModifiedSince) == 0)
{
response = Http.Response.NotChanged304;
return(null);
}
response = Http.Response.Get();
//response.State = Http.ResponseState.Ok200;
response.SetBodyFile(file);
response.CacheControl = cacheControl;
response.ContentType = contentType;
response.SetLastModified(file.LastWriteTimeUtc.UniversalNewBytes());
return(null);
}
}
}
}
return(fileCache);
}
}
}
}
catch (Exception error)
{
RegisterServer.TcpServer.Log.Add(AutoCSer.Log.LogType.Error, error, cacheFileName);
}
return(null);
}
/// <summary>
/// 创建错误输出数据
/// </summary>
protected unsafe virtual void createErrorResponse()
{
KeyValue <Http.Response, Http.Response>[] errorResponses = new KeyValue <Http.Response, Http.Response> [EnumAttribute <Http.ResponseState> .GetMaxValue(-1) + 1];
int isResponse = 0;
try
{
byte[] path = new byte[9];
fixed(byte *pathFixed = path)
{
*pathFixed = (byte)'/';
*(int *)(pathFixed + sizeof(int)) = '.' + ('h' << 8) + ('t' << 16) + ('m' << 24);
*(pathFixed + sizeof(int) * 2) = (byte)'l';
foreach (Http.ResponseState type in System.Enum.GetValues(typeof(Http.ResponseState)))
{
Http.ResponseStateAttribute state = EnumAttribute <Http.ResponseState, Http.ResponseStateAttribute> .Array((int)type);
if (state != null && state.IsError)
{
int stateValue = state.Number, value = stateValue / 100;
*(pathFixed + 1) = (byte)(value + '0');
stateValue -= value * 100;
*(pathFixed + 2) = (byte)((value = stateValue / 10) + '0');
*(pathFixed + 3) = (byte)((stateValue - value * 10) + '0');
Http.Response response = null;
FileCache fileCache = file(path, default(SubArray <byte>), ref response, true);
if (fileCache == null)
{
if (response != null)
{
response.CancelPool();
errorResponses[(int)type].Set(response, response);
isResponse = 1;
}
}
else
{
Http.Response gzipResponse;
if ((response = fileCache.Response) == null)
{
response = Http.Response.New();
gzipResponse = Http.Response.New();
SubArray <byte> data = fileCache.Data, gzipData = fileCache.GZipData;
if (FileCacheQueue.IsFileCacheHeader && data.Start == FileCache.HttpHeaderSize)
{
response.SetCanHeaderSize(ref data);
gzipResponse.SetCanHeaderSize(ref gzipData);
}
else
{
response.SetBody(ref data);
gzipResponse.SetBody(ref gzipData);
}
gzipResponse.SetContentEncoding(Http.Response.GZipEncoding);
}
else
{
gzipResponse = fileCache.GZipResponse ?? response;
}
response.SetState(type);
gzipResponse.SetState(type);
errorResponses[(int)type].Set(response, gzipResponse);
isResponse = 1;
}
}
}
}
}
catch (Exception error)
{
RegisterServer.TcpServer.Log.Add(AutoCSer.Log.LogType.Error, error);
}
if (isResponse != 0)
{
this.errorResponses = errorResponses;
}
}
/// <summary>
/// HTTP文件请求处理
/// </summary>
/// <param name="header">请求头部信息</param>
/// <param name="fileCache">文件输出信息</param>
/// <param name="response">HTTP响应</param>
protected unsafe void file(Http.Header header, FileCache fileCache, ref Http.Response response)
{
Http.HeaderFlag headerFlag = header.Flag;
if (fileCache == null)
{
if (response != null)
{
if (response.Type == Http.ResponseType.File)
{
if ((headerFlag & Http.HeaderFlag.IsRange) != 0 && !header.FormatRange(response.BodySize))
{
response = Http.Response.RangeNotSatisfiable416;
return;
}
if ((headerFlag & Http.HeaderFlag.IsVersion) != 0 || isStaticFileCacheControl(header.Path))
{
response.CacheControl = AutoCSer.Net.Http.Response.StaticFileCacheControl;
}
}
if ((response.Flag & Http.ResponseFlag.IsPool) != 0 && (headerFlag & Http.HeaderFlag.IsSetOrigin) != 0 && this.isOrigin(header.Origin, (headerFlag & Http.HeaderFlag.IsSsl) != 0))
{
response.SetAccessControlAllowOrigin(header.OriginIndex);
}
}
return;
}
if ((headerFlag & Http.HeaderFlag.IsRange) != 0 && !header.FormatRange(fileCache.Data.Length))
{
response = Http.Response.RangeNotSatisfiable416;
return;
}
byte[] cacheControl = (headerFlag & Http.HeaderFlag.IsVersion) != 0 || isStaticFileCacheControl(header.Path) ? AutoCSer.Net.Http.Response.StaticFileCacheControl : this.cacheControl;
bool isOrigin = (headerFlag & Http.HeaderFlag.IsSetOrigin) != 0 && this.isOrigin(header.Origin, (headerFlag & Http.HeaderFlag.IsSsl) != 0), isHeader = !isOrigin && (headerFlag & Http.HeaderFlag.IsRange) == 0 && FileCacheQueue.IsFileCacheHeader;
if (isHeader && (response = (headerFlag & Http.HeaderFlag.IsGZip) == 0 ? fileCache.Response : fileCache.GZipResponse) != null && response.IsCacheControl(cacheControl))
{
return;
}
SubArray <byte> body = (headerFlag & Http.HeaderFlag.IsGZip) != 0 && (headerFlag & Http.HeaderFlag.IsRange) == 0 ? fileCache.GZipData : fileCache.Data;
response = Http.Response.Get();
//response.State = Http.ResponseState.Ok200;
if (isHeader && body.Start == FileCache.HttpHeaderSize)
{
response.SetCanHeaderSize(ref body);
}
else
{
response.SetBody(ref body);
}
response.CacheControl = cacheControl;
response.ContentType = fileCache.ContentType;
if (body.Array != fileCache.Data.Array)
{
response.SetContentEncoding(Http.Response.GZipEncoding);
}
response.SetLastModified(fileCache.LastModified);
if (isOrigin)
{
response.SetAccessControlAllowOrigin(header.OriginIndex);
}
return;
}
/// <summary>
/// HTTP文件请求处理
/// </summary>
/// <param name="header">请求头部</param>
/// <param name="response">HTTP响应输出</param>
/// <returns>文件缓存</returns>
protected unsafe FileCache file(Http.Header header, ref Http.Response response)
{
SubArray <byte> path = header.Path;
string cacheFileName = null;
try
{
if (path.Length != 0 && WorkPath.Length + path.Length <= AutoCSer.IO.File.MaxFullNameLength)
{
byte[] contentType = null;
bool isCompress = true;
fixed(byte *pathFixed = path.GetFixedBuffer())
{
byte *pathStart = pathFixed + path.Start, pathEnd = pathStart + path.Length;
if (isFile(pathEnd, ref contentType, ref isCompress) == 0)
{
if (*pathStart == '/')
{
++pathStart;
}
for (byte *formatStart = pathStart; formatStart != pathEnd; ++formatStart)
{
if (*formatStart == ':')
{
response = Http.Response.Blank;
return(null);
}
#if !MONO
if ((uint)(*formatStart - 'A') < 26)
{
*formatStart |= 0x20;
}
#endif
}
int cachePathLength = (int)(pathEnd - pathStart);
FileCacheKey cacheKey = new FileCacheKey(pathIdentity, path.Array, (int)(pathStart - pathFixed), cachePathLength);
FileCache fileCache = FileCacheQueue.Get(ref cacheKey);
if (fileCache == null)
{
cacheFileName = StringExtension.FastAllocateString(WorkPath.Length + cachePathLength);
fixed(char *nameFixed = cacheFileName)
{
char *write = nameFixed + WorkPath.Length;
char directorySeparatorChar = Path.DirectorySeparatorChar;
StringExtension.CopyNotNull(WorkPath, nameFixed);
for (byte *start = pathStart; start != pathEnd; ++start)
{
*write++ = *start == '/' ? directorySeparatorChar : (char)*start;
}
}
FileInfo file = new FileInfo(cacheFileName);
bool isFileExists = file.Exists, isCopyPath = true;
if (!isFileExists && cacheFileName.IndexOf('%') >= WorkPath.Length)
{
cacheKey.CopyPath();
isCopyPath = false;
string newPath = AutoCSer.Net.Http.Header.UnescapeUtf8(pathStart, cachePathLength, path.Array, (int)(pathStart - pathFixed));
if (Path.DirectorySeparatorChar != '/')
{
newPath.replaceNotNull('/', Path.DirectorySeparatorChar);
}
FileInfo newFile = new FileInfo(WorkPath + newPath);
if (newFile.Exists)
{
file = newFile;
isFileExists = true;
}
}
if (isFileExists)
{
string fileName = file.FullName;
if (fileName.Length > WorkPath.Length && WorkPath.equalCaseNotNull(fileName, WorkPath.Length))
{
if (fileName.Length <= AutoCSer.IO.File.MaxFullNameLength && file.Length <= FileCacheQueue.MaxFileSize)
{
if (FileCacheQueue.Get(ref cacheKey, out fileCache, isCopyPath) != 0)
{
try
{
fileCache.LastModified = file.LastWriteTimeUtc.UniversalNewBytes();
int extensionNameLength = (int)(pathEnd - getExtensionNameStart(pathEnd));
SubArray <byte> fileData = readCacheFile(new SubString {
String = fileName, Start = fileName.Length - extensionNameLength, Length = extensionNameLength
});
FileCacheQueue.Set(ref cacheKey, fileCache, fileCache.Set(ref fileData, contentType, cacheControl, isCompress));
if ((header.Flag & Http.HeaderFlag.IsSetIfModifiedSince) != 0 && header.IfModifiedSinceIndex.Length == fileCache.LastModified.Length)
{
if (AutoCSer.Memory.Common.EqualNotNull(fileCache.LastModified, pathFixed + header.Buffer.StartIndex + header.IfModifiedSinceIndex.StartIndex, header.IfModifiedSinceIndex.Length))
{
response = Http.Response.NotChanged304;
return(null);
}
}
}
finally
{
if (fileCache.IsData == 0)
{
fileCache.PulseAll();
fileCache = null;
FileCacheQueue.RemoveOnly(ref cacheKey);
}
}
}
}
else
{
if ((header.Flag & Http.HeaderFlag.IsSetIfModifiedSince) != 0 && header.IfModifiedSinceIndex.Length == Date.ToByteLength && Date.UniversalByteEquals(file.LastWriteTimeUtc, header.IfModifiedSince) == 0)
{
response = Http.Response.NotChanged304;
return(null);
}
response = Http.Response.Get();
//response.State = Http.ResponseState.Ok200;
response.SetBodyFile(file);
response.CacheControl = cacheControl;
response.ContentType = contentType;
response.SetLastModified(file.LastWriteTimeUtc.UniversalNewBytes());
return(null);
}
}
}
}
return(fileCache);
}
}
}
}
catch (Exception error)
{
RegisterServer.TcpServer.Log.Exception(error, cacheFileName, LogLevel.Exception | LogLevel.AutoCSer);
}
return(null);
}
