/// <summary>
/// Compares 2 files to verify that they are the identical
/// </summary>
public static bool FilesAreEqual(string firstName, string secondName)
{
var firstSize = NativeMethods.GetFileLength(firstName);
var secondSize = NativeMethods.GetFileLength(secondName);
const int BYTES_TO_READ = 1024 * 1024;
if (firstSize != secondSize)
{
return(false);
}
int iterations = (int)Math.Ceiling((double)firstSize / BYTES_TO_READ);
using (FileStream fs1 = LongFile.GetFileStream(firstName, FileAccess.ReadWrite))
using (FileStream fs2 = LongFile.GetFileStream(secondName, FileAccess.ReadWrite))
{
byte[] one = new byte[BYTES_TO_READ];
byte[] two = new byte[BYTES_TO_READ];
for (int i = 0; i < iterations; i++)
{
fs1.Read(one, 0, BYTES_TO_READ);
fs2.Read(two, 0, BYTES_TO_READ);
if (BitConverter.ToInt64(one, 0) != BitConverter.ToInt64(two, 0))
{
return(false);
}
}
}
return(true);
}
private static void DeleteDirectories(string[] directories)
{
foreach (string directory in directories)
{
string[] files = LongDirectory.GetFiles(directory, null, System.IO.SearchOption.TopDirectoryOnly);
foreach (string file in files)
{
LongFile.Delete(file);
}
directories = LongDirectory.GetDirectories(directory, null, System.IO.SearchOption.TopDirectoryOnly);
DeleteDirectories(directories);
bool ok = NativeMethods.RemoveDirectory(GetWin32LongPath(directory));
if (!ok)
{
ThrowWin32Exception();
}
}
}
/// <summary>
/// CRC hash a file
/// </summary>
public static string FileCRC(string filename)
{
var sb = new StringBuilder();
using (var md5 = MD5.Create())
{
//This now supports long file names
//using (var stream = File.OpenRead(filename))
using (var stream = LongFile.GetFileStream(filename, FileAccess.ReadWrite))
{
byte[] hashBytes = md5.ComputeHash(stream);
foreach (byte bt in hashBytes)
{
sb.Append(bt.ToString("x2"));
}
}
}
return(sb.ToString());
}
/// <summary>
/// Saves a file to storage for a tenant in the specified container
/// </summary>
public virtual bool SaveFile(Guid tenantId, string container, string fileName)
{
try
{
long fileLength = 0;
DateTime creationTime = DateTime.Now;
DateTime lastWriteTime = DateTime.Now;
if (fileName.Length > 260)
{
NativeMethods.GetFileInfo(fileName, out creationTime, out lastWriteTime, out fileLength);
}
else
{
var fi = new FileInfo(fileName);
fileLength = fi.Length;
creationTime = fi.CreationTime;
lastWriteTime = fi.LastWriteTime;
}
//Save the file
const int blockSize = 1024 * 1024;
var count = (int)Math.Ceiling((fileLength * 1.0) / blockSize);
var block = new FileInformation
{
Container = container,
FileName = fileName,
TenantID = tenantId,
CRC = FileUtilities.FileCRC(fileName),
Size = fileLength,
CreatedTime = creationTime.ToUniversalTime(),
ModifiedTime = lastWriteTime.ToUniversalTime(),
};
//using (var fs = File.Open(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var fs = LongFile.GetFileStream(fileName, FileAccess.ReadWrite))
{
FileDataInfo fileInfo = null;
RetryHelper.DefaultRetryPolicy(3)
.Execute(() =>
{
using (var factory = GetFactory(_server, _port))
{
var service = factory.CreateChannel();
fileInfo = service.SendFileStart(block);
}
});
for (var ii = 0; ii < count; ii++)
{
var bb = new byte[blockSize];
var c = fs.Read(bb, 0, bb.Length);
//If last block is smaller then truncate it
if (c < blockSize)
{
bb = bb.Take(c).ToArray();
}
RetryHelper.DefaultRetryPolicy(3)
.Execute(() =>
{
using (var factory = GetFactory(_server, _port))
{
var service = factory.CreateChannel();
var wasSaved = service.SendFileData(fileInfo.Token, bb, ii);
}
});
this.OnFileUpload(new FileProgressEventArgs
{
ChunkIndex = ii,
Container = container,
FileName = fileName,
TotalChunks = count,
});
}
var retval = false;
RetryHelper.DefaultRetryPolicy(3)
.Execute(() =>
{
using (var factory = GetFactory(_server, _port))
{
var service = factory.CreateChannel();
retval = service.SendFileEnd(fileInfo.Token);
}
});
return(retval);
}
}
catch (Exception ex)
{
throw;
}
}
