public void AddHeaderToFile_TestMethod()
{
DataDepositer.Helper h = new DataDepositer.Helper();
DataDepositer.FileManipulator fm = new DataDepositer.FileManipulator();
String filePathFull = "d:\\test\\datadepositor\\join\\test.txt";
String MD5Origin = h.GetStringMD5("55555555555555555555555555555555");
String MD5Chunk = h.GetStringMD5("66666666666666666666666666666666");
STORED_FILE_HEADER sfh = h.FillHeader(filePathFull, " Description Описание", MD5Origin, MD5Chunk, 3, 1, 3028, 1010);
//sfh.cb = ;
bool isOk = fm.AddHeaderToFile(sfh, filePathFull);
if (!isOk)
{
throw new Exception("AddHeaderToFile_TestMethod()");
}
}
public void GetHeader_TestMethod()
{
Helper h = new DataDepositer.Helper();
FileManipulator fm = new DataDepositer.FileManipulator();
// String filePathFull = "d:\\test\\datadepositor\\join\\test.txt";
String filePathFull = "d:\\test\\datadepositor\\testHeader.txt";
String MD5Origin = h.GetStringMD5("55555555555555555555555555555555");
String MD5Chunk = h.GetStringMD5("66666666666666666666666666666666");
STORED_FILE_HEADER sfh = new STORED_FILE_HEADER();
sfh.cb = (uint)Marshal.SizeOf(sfh); // size of struct
sfh.ChunkNum = 3;
sfh.ChunkSize = 0x1234;
sfh.ChunksQty = 5;
sfh.Description = @"Проверка описания на русском языке";
sfh.FileName = Path.GetFileName(filePathFull);
sfh.MD5Chunk = MD5Chunk;
sfh.MD5Origin = MD5Origin;
sfh.OriginSize = 0x5432;
FileInfo fi = new FileInfo(filePathFull);
string v = filePathFull + ".hdr";
//string headerFile =
File.Delete(v); // delete before copy
fi.CopyTo(v);
fm.AddHeaderToFile(sfh, v);
STORED_FILE_HEADER newSfh = fm.GetHeaderFromFile(v);
Console.WriteLine("{0}\n {1}\n{2}\n{3}\n{4}\n", newSfh.FileName, newSfh.Description, newSfh.MD5Origin, newSfh.MD5Chunk, newSfh.OriginSize);
}
public void RawSerialize_TestMethod()
{
DataDepositer.Helper h = new DataDepositer.Helper();
DataDepositer.FileManipulator fm = new DataDepositer.FileManipulator();
// String filePathFull = "d:\\test\\datadepositor\\join\\test.txt";
String filePathFull = "d:\\test\\datadepositor\\testHeader.txt";
String MD5Origin = h.GetStringMD5("55555555555555555555555555555555");
String MD5Chunk = h.GetStringMD5("66666666666666666666666666666666");
DISPLAY_DEVICE dd = new DISPLAY_DEVICE();
dd.cb = Marshal.SizeOf(dd);
string str = "Cool Device";
dd.DeviceInstanceId = str;
dd.DeviceName = MD5Origin;
dd.StateFlags = 12345;
byte[] test = h.RawSerialize(dd);
File.WriteAllBytes(filePathFull, test);
}
// @return true if success write all parts and add headers
//
public bool SplitFile(string FileInputPath, string FolderOutputPath, uint OutputFiles, STORED_FILE_HEADER originSFH)
{
try
{
//FileManipulator fm = new FileManipulator();
Helper h = new Helper();
// Store the file in a byte array
Byte[] byteSource = System.IO.File.ReadAllBytes(FileInputPath);
// Get file info
FileInfo fiSource = new FileInfo(FileInputPath);
// Calculate the size of each part
uint partSize = (uint)Math.Ceiling((double)(fiSource.Length / OutputFiles)) + 1;
// The offset at which to start reading from the source file
uint fileOffset = 0;
// Stores the name of each file part
string currPartPath;
// Stores the remaining byte length to write to other files
uint sizeRemaining = (uint)fiSource.Length;
// Create output folder if not exist
Directory.CreateDirectory(FolderOutputPath);
// Loop through as many times we need to create the partial files
for (uint i = 0; i < OutputFiles; i++)
{
STORED_FILE_HEADER sfh = originSFH;
// fill header for each part
sfh.ChunkNum = i;
sfh.ChunkNum = OutputFiles;
// Calculate the remaining size of the whole file
sizeRemaining = (uint)fiSource.Length - (i * partSize);
// The size of the last part file might differ because a file doesn't always split equally
if (sizeRemaining < partSize)
{
partSize = sizeRemaining;
}
// create partbuf for part bytes
byte[] partbuf = new byte[partSize];
// Store the path of the new part
currPartPath = FolderOutputPath + "\\" + fiSource.Name + "." + String.Format(@"{0:D4}", i) + ".part";
sfh.FileName = Path.GetFileName(currPartPath);
// write part of file into file
Buffer.BlockCopy(byteSource, (int)fileOffset, partbuf, 0, (int)partSize);
sfh.MD5Chunk = h.GetStringMD5(partbuf);
WriteFileWithHeader(currPartPath, partbuf, sfh);
fileOffset += partSize;
}
return(true);
}
catch (Exception e)
{
Logger.Log.Error(e.ToString());
return(false);
}
}
