public void Write(BinaryWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
writer.WriteInt32BigEndian(9994);
for (var index = 0; index < 20; index++)
{
writer.Write((byte)0x0);
}
writer.WriteInt32BigEndian(FileLength.ToInt32());
writer.WriteInt32LittleEndian(1000);
writer.WriteInt32LittleEndian((int)ShapeType);
writer.WriteDoubleLittleEndian(BoundingBox.XMin);
writer.WriteDoubleLittleEndian(BoundingBox.YMin);
writer.WriteDoubleLittleEndian(BoundingBox.XMax);
writer.WriteDoubleLittleEndian(BoundingBox.YMax);
writer.WriteDoubleLittleEndian(BoundingBox.ZMin);
writer.WriteDoubleLittleEndian(BoundingBox.ZMax);
writer.WriteDoubleLittleEndian(EscapeNoData(BoundingBox.MMin));
writer.WriteDoubleLittleEndian(EscapeNoData(BoundingBox.MMax));
}
private static void Count(string filePath, string fromDictionaryPath)
{
VerifyFileExists(filePath);
VerifyFileExists(fromDictionaryPath);
long tokenCount = 0;
using (new ConsoleWatch($"Reading [Count] {filePath} ({FileLength.MB(filePath)})...",
() => $"Done; {tokenCount:n0} tokens found in file"))
{
if (filePath.EndsWith(".bion", StringComparison.OrdinalIgnoreCase))
{
using (WordCompressor compressor = (fromDictionaryPath == null ? null : WordCompressor.OpenRead(fromDictionaryPath)))
using (BionReader reader = new BionReader(File.OpenRead(filePath), compressor: compressor))
{
while (reader.Read())
{
tokenCount++;
}
}
}
else
{
using (JsonTextReader reader = new JsonTextReader(new StreamReader(filePath)))
{
while (reader.Read())
{
tokenCount++;
}
}
}
}
}
private static void Skip(string filePath, string fromDictionaryPath)
{
VerifyFileExists(filePath);
VerifyFileExists(fromDictionaryPath);
using (new ConsoleWatch($"Reading [Skip All] {filePath} ({FileLength.MB(filePath)})..."))
{
if (filePath.EndsWith(".bion", StringComparison.OrdinalIgnoreCase))
{
using (WordCompressor compressor = (fromDictionaryPath == null ? null : WordCompressor.OpenRead(fromDictionaryPath)))
using (BionReader reader = new BionReader(File.OpenRead(filePath), compressor: compressor))
{
reader.Skip();
}
}
else
{
using (JsonTextReader reader = new JsonTextReader(new StreamReader(filePath)))
{
reader.Read();
reader.Skip();
}
}
}
}
public void ToString_Test(long length, string format, string expectedValue)
{
var fileLength = new FileLength(length);
var actual = fileLength.ToString(format, CultureInfo.InvariantCulture);
Assert.AreEqual(expectedValue, actual);
}
public override string Run(string strFileName)
{
int len = FileLength.ToString().Length;
decimal cnt = Start + Step * RunCount++;
return(base.Run(IsSamp ? cnt.ToString().PadLeft(len, '0') : cnt.ToString()));
}
private IResult Test(IFormFile file) //Dosya boyutu ne?
{
//var sourcepath = Path.GetTempFileName();
//FileInfo fileInfo = new FileInfo(sourcepath);
//long fileLength = fileInfo.Length;
return(new ErrorResult("Dosya boyutu : " + FileLength.CalculateLength(file.Length)));
}
private static void Compress(string fromPath, string toPath, string toDictionaryPath)
{
VerifyFileExists(fromPath);
using (new ConsoleWatch($"Compressing {fromPath}...",
() => $"Done. {FileLength.MB(fromPath)} to {FileLength.MB(toPath)} + {FileLength.MB(toDictionaryPath)} dictionary ({FileLength.Percentage(fromPath, toPath, toDictionaryPath)})"))
{
WordCompressor.Compress(fromPath, toPath, toDictionaryPath);
}
}
private static void ToBion(string jsonPath, string bionPath, string dictionaryPath)
{
VerifyFileExists(jsonPath);
using (new ConsoleWatch($"Converting {jsonPath} to {bionPath}...",
() => $"Done. {FileLength.MB(jsonPath)} JSON to {FileLength.MB(bionPath)} BION{(String.IsNullOrEmpty(dictionaryPath) ? "" : $" + {FileLength.MB(dictionaryPath)} dictionary")} ({FileLength.Percentage(jsonPath, bionPath, dictionaryPath)})"))
{
JsonBionConverter.JsonToBion(jsonPath, bionPath, dictionaryPath);
}
}
public int CompareTo(object obj)
{
if (!(obj is SimpleFileInfo))
{
throw new ArgumentException("Incorrect type in SimpleCompare.CompareTo!");
}
SimpleFileInfo other = (SimpleFileInfo)obj;
return(FileName.CompareTo(other.FileName) == 0 ? FileLength.CompareTo(other.FileLength) : FileName.CompareTo(other.FileName));
}
private static void Expand(string fromPath, string toPath, string fromDictionaryPath)
{
VerifyFileExists(fromPath);
VerifyFileExists(fromDictionaryPath);
using (new ConsoleWatch($"Expanding {fromPath}...",
() => $"Done. {FileLength.MB(fromPath)} + {FileLength.MB(fromDictionaryPath)} dictionary to {FileLength.MB(toPath)}"))
{
WordCompressor.Expand(fromPath, toPath, fromDictionaryPath);
}
}
private static void ToJson(string fromPath, string toPath, string dictionaryPath)
{
VerifyFileExists(fromPath);
VerifyFileExists(dictionaryPath);
using (new ConsoleWatch($"Converting {fromPath} to {toPath}...",
() => $"Done. {FileLength.MB(fromPath)} BION to {FileLength.MB(toPath)} JSON"))
{
JsonBionConverter.BionToJson(fromPath, toPath, dictionaryPath);
}
}
public override int GetHashCode()
{
return
(FileID?.GetHashCode() ?? 0 ^
FileLength.GetHashCode() ^
FileName?.GetHashCode() ?? 0 ^
FileShardIDs?.GetHashCodeEnumerable() ?? 0 ^
FileShardHashes?.GetHashCodeEnumerable() ?? 0 ^
LastModified.GetHashCode() ^
SHA1?.GetHashCode() ?? 0);
}
//возвращает ассоциативный массив (словарь) со всеми вычисленными настройками
public Dictionary <String, String> GetAllInfo()
{
Dictionary <String, String> info = new Dictionary <string, string>();
info.Add("Имя файла", FileName);
info.Add("Путь до файла", Path);
info.Add("Длина файла", FileLength.ToString());
info.Add("Дата создания файла", FileCreatedDate.ToString());
info.Add("Состояние файла", CheckState());
return(info);
}
public static bool SizeRatioUnder(string originalFile, string actualFile, float maximumSizePercentage)
{
long originalSize = new FileInfo(originalFile).Length;
long actualSize = new FileInfo(actualFile).Length;
Trace.WriteLine($"{originalFile} => {FileLength.MB(originalSize)}");
Trace.WriteLine($"{actualFile} => {FileLength.MB(actualSize)}");
bool isSmallEnough = actualSize <= originalSize * maximumSizePercentage;
Assert.IsTrue(isSmallEnough, $"{actualFile} was {FileLength.MB(actualSize)}, which was over {maximumSizePercentage:p0} of {originalFile} size {FileLength.MB(originalSize)}.");
return(isSmallEnough);
}
public double ConvertFileLength(long lengthInBytes, FileLength converTo)
{
const double Factor = 1024;
switch (converTo)
{
case FileLength.KB:
return lengthInBytes / Factor;
case FileLength.MB:
return lengthInBytes / Math.Pow(2, Factor);
default:
return lengthInBytes;
}
}
public override void Write(BinaryWriter writer, IShapefileHeader value, WordCount origin)
{
FileCode.Write(writer, FileCodeValue, origin); //TODO: ShapefileHeader should be constructed with this const value... then we write the property value.
Unused1.Write(writer, UnusedValue, origin); //TODO: ShapefileHeader should be constructed with this const value... then we write the property value.
Unused2.Write(writer, UnusedValue, origin); //TODO: ShapefileHeader should be constructed with this const value... then we write the property value.
Unused3.Write(writer, UnusedValue, origin); //TODO: ShapefileHeader should be constructed with this const value... then we write the property value.
Unused4.Write(writer, UnusedValue, origin); //TODO: ShapefileHeader should be constructed with this const value... then we write the property value.
Unused5.Write(writer, UnusedValue, origin); //TODO: ShapefileHeader should be constructed with this const value... then we write the property value.
FileLength.Write(writer, value.FileLength, origin);
Version.Write(writer, VersionValue, origin); //TODO: ShapefileHeader should be constructed with this const value... then we write the property value.
ShapeType.Write(writer, value.ShapeType, origin);
BoxMin.Write(writer, value.BoundingBox.Min, origin);
BoxMax.Write(writer, value.BoundingBox.Max, origin);
}
private byte[] commonAction(string _name, MainModel.LogType _type)
{
string message = "Отправляем информацию о файле;";
log(message, _type, MainModel.ModelPart.Server);
model.server.networkStream = model.server.user.TcpClient.GetStream();
byte[] byteSend = new byte[model.server.user.TcpClient.ReceiveBufferSize];
FileInfo fInfo = new FileInfo(model.server.serverWatcher.Path + "\\" + _name);
message = "Отправляем команду - " + model.server.Command + ";";
log(message, _type, MainModel.ModelPart.Server);
byte[] ByteCommand = new byte[MainModel.FIXED_BUFFER_SIZE];
ByteCommand = System.Text.Encoding.UTF8.GetBytes(model.server.Command.ToCharArray());
model.server.networkStream.Write(ByteCommand, 0, ByteCommand.Length);
string FileName = fInfo.Name;
byte[] ByteFileName = new byte[MainModel.MAX_BYTES_BUFFER_SIZE];
ByteFileName = System.Text.Encoding.UTF8.GetBytes(FileName.ToCharArray());
string FileLength;
makeFormatedLenght(ref ByteFileName, out FileLength);
message = "Отправляем длину имени - " + FileLength + ";";
log(message, _type, MainModel.ModelPart.Server);
byte[] ByteFileNameLength = new byte[MainModel.FIXED_BUFFER_SIZE];
ByteFileNameLength = System.Text.Encoding.UTF8.GetBytes(FileLength.ToCharArray());
model.server.networkStream.Write(ByteFileNameLength, 0, ByteFileNameLength.Length);
message = "Отправляем имя - " + FileName + ";";
log(message, _type, MainModel.ModelPart.Server);
model.server.networkStream.Write(ByteFileName, 0, ByteFileName.Length);
return(ByteFileName);
}
private static void AddWhitespace(string fromJsonPath, string toJsonPath)
{
VerifyFileExists(fromJsonPath);
using (new ConsoleWatch($"Writing {fromJsonPath} with formatting to {toJsonPath}...",
() => $"Done; {FileLength.MB(fromJsonPath)} => {FileLength.MB(toJsonPath)} ({FileLength.Percentage(fromJsonPath, toJsonPath)})"))
{
using (JsonTextReader reader = new JsonTextReader(new StreamReader(fromJsonPath)))
using (JsonTextWriter writer = new JsonTextWriter(new StreamWriter(toJsonPath)))
{
writer.Formatting = Formatting.Indented;
writer.WriteToken(reader);
}
}
}
public override IShapefileHeader Read(BinaryReader reader, WordCount origin)
{
return(new ShapefileHeader()
{
BoundingBox = new BoundingBox <IPointZ>()
{
Min = BoxMin.Read(reader, origin),
Max = BoxMax.Read(reader, origin)
},
FileCode = FileCode.Read(reader, origin),
FileLength = FileLength.Read(reader, origin),
ShapeType = (ShapeType)ShapeType.Read(reader, origin),
Version = Version.Read(reader, origin)
});
}
public double ConvertFileLength(long lengthInBytes, FileLength converTo)
{
const double Factor = 1024;
switch (converTo)
{
case FileLength.KB:
return(lengthInBytes / Factor);
case FileLength.MB:
return(lengthInBytes / Math.Pow(2, Factor));
default:
return(lengthInBytes);
}
}
public List <KeyValuePair <string, string> > ToKeyValuePairs()
{
var result = new List <KeyValuePair <string, string> >(10);
// leave out null values, but string.Empty is preserved
if (FileName != null)
{
result.Add("FileName", FileName);
}
if (ContentId > 0)
{
result.Add("ContentId", ContentId.ToString());
}
if (ContentType != null)
{
result.Add("ContentType", ContentType);
}
if (PropertyName != null)
{
result.Add("PropertyName", PropertyName);
}
result.Add("UseChunk", UseChunk.ToString());
result.Add("Overwrite", Overwrite.ToString());
result.Add("FileLength", FileLength.ToString());
if (ChunkToken != null)
{
result.Add("ChunkToken", ChunkToken);
}
if (FileText != null)
{
result.Add("FileText", FileText);
}
return(result);
}
protected string GenerateEntityTag()
{
//Generate entity tag based on file name and length
byte[] entityTagBytes = Encoding.ASCII.GetBytes(String.Format("{0}|{1}", FileName, FileLength.ToString()));
return("W/" + Convert.ToBase64String(new MD5CryptoServiceProvider().ComputeHash(entityTagBytes)));
}
private static void Read(string filePath, string fromDictionaryPath)
{
VerifyFileExists(filePath);
VerifyFileExists(fromDictionaryPath);
long tokenCount = 0;
using (new ConsoleWatch($"Reading [Full] {filePath} ({FileLength.MB(filePath)})...",
() => $"Done; {tokenCount:n0} tokens found in file"))
{
if (filePath.EndsWith(".bion", StringComparison.OrdinalIgnoreCase))
{
using (WordCompressor compressor = (fromDictionaryPath == null ? null : WordCompressor.OpenRead(fromDictionaryPath)))
using (BionReader reader = new BionReader(File.OpenRead(filePath), compressor: compressor))
{
while (reader.Read())
{
tokenCount++;
switch (reader.TokenType)
{
case BionToken.PropertyName:
case BionToken.String:
String8 value8 = reader.CurrentString8();
//string valueS = reader.CurrentString();
break;
case BionToken.Integer:
long valueI = reader.CurrentInteger();
break;
case BionToken.Float:
double valueF = reader.CurrentFloat();
break;
}
}
}
}
else
{
using (JsonTextReader reader = new JsonTextReader(new StreamReader(filePath)))
{
while (reader.Read())
{
tokenCount++;
switch (reader.TokenType)
{
case JsonToken.PropertyName:
case JsonToken.String:
string valueS = (string)reader.Value;
break;
case JsonToken.Integer:
long valueI = (long)reader.Value;
break;
case JsonToken.Float:
double valueF = (double)reader.Value;
break;
}
}
}
}
}
}
public bool Equals(ShapeFileHeader other) => other != null && FileLength.Equals(other.FileLength) && ShapeType.Equals(other.ShapeType) && BoundingBox.Equals(other.BoundingBox);
private void renameFileForUser(string _name, string _newName)
{
string message = "Отправляем информацию о файле;";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
model.server.networkStream = model.server.user.TcpClient.GetStream();
byte[] byteSend = new byte[model.server.user.TcpClient.ReceiveBufferSize];
FileInfo fInfoOld = new FileInfo(model.server.serverWatcher.Path + "\\" + _name);
FileInfo fInfoNew = new FileInfo(model.server.serverWatcher.Path + "\\" + _newName);
message = "Отправляем команду - " + model.server.Command + ";";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
byte[] ByteCommand = new byte[MainModel.FIXED_BUFFER_SIZE];
ByteCommand = System.Text.Encoding.UTF8.GetBytes(model.server.Command.ToCharArray());
model.server.networkStream.Write(ByteCommand, 0, ByteCommand.Length);
string FileNameOld = fInfoOld.Name;
string FileNameNew = fInfoNew.Name;
byte[] ByteFileName = new byte[MainModel.MAX_BYTES_BUFFER_SIZE];
ByteFileName = System.Text.Encoding.UTF8.GetBytes(FileNameOld.ToCharArray());
string FileLength;
makeFormatedLenght(ref ByteFileName, out FileLength);
message = "Отправляем длину старого имени - " + FileLength + ";";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
byte[] ByteFileNameLength = new byte[MainModel.FIXED_BUFFER_SIZE];
ByteFileNameLength = System.Text.Encoding.UTF8.GetBytes(FileLength.ToCharArray());
model.server.networkStream.Write(ByteFileNameLength, 0, ByteFileNameLength.Length);
message = ByteFileName.Length.ToString() + " - длина имени файла" + ";";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
message = "Отправляем имя - " + FileNameOld + ";";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
model.server.networkStream.Write(ByteFileName, 0, ByteFileName.Length);
log("Старое имя отправлено;", MainModel.LogType.Rename, MainModel.ModelPart.Server);
byte[] ByteFileNewName = new byte[MainModel.MAX_BYTES_BUFFER_SIZE];
ByteFileNewName = System.Text.Encoding.UTF8.GetBytes(FileNameNew.ToCharArray());
string NewFileLength = "";
for (int count = 0; count < 2 - ByteFileNewName.Length.ToString().Length; count++)
{
NewFileLength += "0";
}
NewFileLength += "0" + ByteFileNewName.Length.ToString();
message = "Отправляем длину новго имени - " + NewFileLength + ";";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
byte[] ByteFileNewNameLength = new byte[MainModel.FIXED_BUFFER_SIZE];
ByteFileNewNameLength = System.Text.Encoding.UTF8.GetBytes(NewFileLength.ToCharArray());
model.server.networkStream.Write(ByteFileNewNameLength, 0, ByteFileNewNameLength.Length);
message = ByteFileNewName.Length.ToString() + " - длина имени файла;";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
message = "Отправляем имя - " + FileNameNew + ";";
log(message, MainModel.LogType.Rename, MainModel.ModelPart.Server);
model.server.networkStream.Write(ByteFileNewName, 0, ByteFileNewName.Length);
log("Новое имя отправлено;", MainModel.LogType.Rename, MainModel.ModelPart.Server);
model.server.fileStream.Close();
log("Файл переименован у всех пользователям;", MainModel.LogType.Rename, MainModel.ModelPart.Server);
log("Все потоки закрыты", MainModel.LogType.Rename, MainModel.ModelPart.Server);
}
public async Task Extract()
{
TotalWords = (await mRead(64)).GetValueOrDefault();
FileLength?.Invoke(TotalWords);
mMaxHistory = Convert.ToUInt32((await mRead(32)).GetValueOrDefault());
mPresentLength = Convert.ToInt32((await mRead(8)).GetValueOrDefault());
int historyLengthInBits = Log2_WiegleyJ(mMaxHistory - 1) + 1;
while (mWordsWritten < TotalWords)
{
var type = await mRead(1);
if (type == null)
{
throw new EndOfStreamException();
}
if (type.Value == 1)
{
var word = await mRead(8);
if (word == null)
{
throw new EndOfStreamException();
}
await mWrite(word.Value, 8);
mHistory.AddLast(Convert.ToByte(word.Value));
if (mHistory.Count > mMaxHistory)
{
mHistory.RemoveFirst();
}
mWordsWritten++;
WordsWritten?.Invoke(1);
}
else if (type.Value == 0)
{
var offset = await mRead(historyLengthInBits);
var length = await mRead(mPresentLength);
if (offset == null || length == null)
{
throw new EndOfStreamException();
}
if (offset >= mHistory.Count)
{
throw new ArgumentOutOfRangeException(nameof(offset));
}
if (offset < length - 1)
{
throw new ArgumentOutOfRangeException(nameof(length));
}
var pointer = mHistory.Last;
for (int i = 0; i < offset.Value; i++)
{
pointer = pointer.Previous;
}
for (int i = 0; i < length.Value; i++)
{
mHistory.AddLast(pointer.Value);
await mWrite(pointer.Value, 8);
pointer = pointer.Next;
if (mHistory.Count > mMaxHistory)
{
mHistory.RemoveFirst();
}
}
mWordsWritten += length.Value;
WordsWritten?.Invoke(length.Value);
}
else
{
throw new ArgumentOutOfRangeException(nameof(type));
}
}
}
private int GetContentLength(string boundary)
{
int contentLength = 0;
for (int i = 0; i < RangesStartIndexes.Length; i++)
{
contentLength += Convert.ToInt32(RangesEndIndexes[i] - RangesStartIndexes[i]) + 1;
if (MultipartRequest)
{
contentLength += boundary.Length + ContentType.Length + RangesStartIndexes[i].ToString().Length + RangesEndIndexes[i].ToString().Length + FileLength.ToString().Length + 49;
}
}
if (MultipartRequest)
{
contentLength += boundary.Length + 4;
}
return(contentLength);
}
/// <summary>
/// Enables processing of the result of an action method by a custom type that inherits from the ActionResult class. (Overrides ActionResult.ExecuteResult(ControllerContext).)
/// </summary>
/// <param name="context">The context within which the result is executed.</param>
public override void ExecuteResult(ControllerContext context)
{
EntityTag = GenerateEntityTag(context);
GetRanges(context.HttpContext.Request);
if (ValidateRanges(context.HttpContext.Response) && ValidateModificationDate(context.HttpContext.Request, context.HttpContext.Response) && ValidateEntityTag(context.HttpContext.Request, context.HttpContext.Response))
{
context.HttpContext.Response.AddHeader("Last-Modified", HttpModificationDate.ToString("r"));
context.HttpContext.Response.AddHeader("ETag", String.Format("\"{0}\"", EntityTag));
context.HttpContext.Response.AddHeader("Accept-Ranges", "bytes");
if (!RangeRequest)
{
context.HttpContext.Response.AddHeader("Content-Length", FileLength.ToString());
context.HttpContext.Response.ContentType = ContentType;
context.HttpContext.Response.StatusCode = 200;
if (!context.HttpContext.Request.HttpMethod.Equals("HEAD"))
{
WriteEntireEntity(context.HttpContext.Response);
}
}
else
{
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
context.HttpContext.Response.AddHeader("Content-Length", GetContentLength(boundary).ToString());
if (!MultipartRequest)
{
context.HttpContext.Response.AddHeader("Content-Range", String.Format("bytes {0}-{1}/{2}", RangesStartIndexes[0], RangesEndIndexes[0], FileLength));
context.HttpContext.Response.ContentType = ContentType;
}
else
{
context.HttpContext.Response.ContentType = String.Format("multipart/byteranges; boundary={0}", boundary);
}
context.HttpContext.Response.StatusCode = 206;
if (!context.HttpContext.Request.HttpMethod.Equals("HEAD"))
{
for (int i = 0; i < RangesStartIndexes.Length; i++)
{
if (MultipartRequest)
{
context.HttpContext.Response.Write(String.Format("--{0}\r\n", boundary));
context.HttpContext.Response.Write(String.Format("Content-Type: {0}\r\n", ContentType));
context.HttpContext.Response.Write(String.Format("Content-Range: bytes {0}-{1}/{2}\r\n\r\n", RangesStartIndexes[i], RangesEndIndexes[i], FileLength));
}
if (context.HttpContext.Response.IsClientConnected)
{
WriteEntityRange(context.HttpContext.Response, RangesStartIndexes[i], RangesEndIndexes[i]);
if (MultipartRequest)
{
context.HttpContext.Response.Write("\r\n");
}
}
else
{
return;
}
}
if (MultipartRequest)
{
context.HttpContext.Response.Write(String.Format("--{0}--", boundary));
}
}
}
}
}
public override int GetHashCode() => FileLength.GetHashCode() ^ ShapeType.GetHashCode() ^ BoundingBox.GetHashCode();
public int CompareTo(DownloadableImageLink other)
{
return(FileLength.CompareTo(other.FileLength));
}
public void ManageMultipartDownload(/*Byte[] content, String name, HttpRequest request, HttpResponse response*/)
{
//Request = request;
//Response = response;
//FileName = name;
////if (FileContent == null)
//// FileContent = File.ReadAllBytes(FilePath);
//FileLength = content.Length;
//FileContent = content;
//ContentType = "application/pdf";
//Generate entity tag
EntityTag = GenerateEntityTag();
//Get ranges from request
GetRanges(Request);
//If all validations are successful
if (ChangeSignature || Validate(Request, Response))
{
//Set common headers
//Response.Buffer = false;
Response.AddHeader("Last-Modified", FileModificationDate.ToString("r"));
Response.AddHeader("ETag", String.Format("\"{0}\"", EntityTag));
//Response.Cache.SetCacheability(HttpCacheability.Public); //required for etag output
//Response.Cache.SetETag(EntityTag);
Response.AddHeader("Accept-Ranges", "bytes");
Response.ContentType = "application/pdf";
Response.AddHeader("Content-Disposition", "inline;filename=" + FileName);
//If this is not range Request
if (!RangeRequest)
{
//Set standard headers
Response.AddHeader("Content-Length", FileLength.ToString());
//Response.AddHeader("Content-Type", "application/pdf");
//Set status code
Response.StatusCode = 200;
//If this is not HEAD Request
if (!Request.HttpMethod.Equals("HEAD"))
{
//Write entire file to Response
Console.WriteLine("Request.HttpMethod : " + Request.HttpMethod);
Console.WriteLine("Write entire file to Response");
WriteEntireEntity(Response);
}
}
//If this is range Request
else
{
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
//Compute and set content length
Response.AddHeader("Content-Length", GetContentLength(boundary).ToString());
//If this is not multipart Request
if (!MultipartRequest)
{
//Set content range and type
Response.AddHeader("Content-Range", String.Format("bytes {0}-{1}/{2}", RangesStartIndexes[0], RangesEndIndexes[0], FileLength));
Response.ContentType = ContentType;
}
//Otherwise
else
{
//Set proper content type
Response.ContentType = String.Format("multipart/byteranges; boundary={0}", boundary);
}
//Set status code
Response.StatusCode = 206;
//If this not HEAD Request
if (!Request.HttpMethod.Equals("HEAD"))
{
//For each Requested range
for (int i = 0; i < RangesStartIndexes.Length; i++)
{
//If this is multipart Request
if (MultipartRequest)
{
//Write additional multipart info
Response.Write(String.Format("--{0}\r\n", boundary));
Response.Write(String.Format("Content-Type: {0}\r\n", ContentType));
Response.Write(String.Format("Content-Range: bytes {0}-{1}/{2}\r\n\r\n", RangesStartIndexes[i], RangesEndIndexes[i], FileLength));
}
//Write range (with multipart separator if required)
if (Response.IsClientConnected)
{
Console.Write("WriteEntityRange");
WriteEntityRange(Response, RangesStartIndexes[i], RangesEndIndexes[i]);
if (MultipartRequest)
{
Response.Write("\r\n");
}
Response.Flush();
}
else
{
return;
}
}
//If this is multipart Request
if (MultipartRequest)
{
Response.Write(String.Format("--{0}--", boundary));
}
}
}
}
}
