/// <exception cref="System.Exception"/>
public virtual void TestCopyFileUnbuffered()
{
string MethodName = GenericTestUtils.GetMethodName();
FilePath srcFile = new FilePath(TestDir, MethodName + ".src.dat");
FilePath dstFile = new FilePath(TestDir, MethodName + ".dst.dat");
int fileSize = unchecked ((int)(0x8000000));
// 128 MB
int Seed = unchecked ((int)(0xBEEF));
int batchSize = 4096;
int numBatches = fileSize / batchSize;
Random rb = new Random(Seed);
FileChannel channel = null;
RandomAccessFile raSrcFile = null;
try
{
raSrcFile = new RandomAccessFile(srcFile, "rw");
channel = raSrcFile.GetChannel();
byte[] bytesToWrite = new byte[batchSize];
MappedByteBuffer mapBuf;
mapBuf = channel.Map(FileChannel.MapMode.ReadWrite, 0, fileSize);
for (int i = 0; i < numBatches; i++)
{
rb.NextBytes(bytesToWrite);
mapBuf.Put(bytesToWrite);
}
NativeIO.CopyFileUnbuffered(srcFile, dstFile);
Assert.Equal(srcFile.Length(), dstFile.Length());
}
finally
{
IOUtils.Cleanup(Log, channel);
IOUtils.Cleanup(Log, raSrcFile);
FileUtils.DeleteQuietly(TestDir);
}
}
public virtual bool VerifyCanMlock()
{
return(NativeIO.IsAvailable());
}
public virtual long GetOperatingSystemPageSize()
{
return(NativeIO.GetOperatingSystemPageSize());
}
public virtual long GetMemlockLimit()
{
return(NativeIO.GetMemlockLimit());
}
/// <exception cref="System.Exception"/>
public virtual void TestGetMemlockLimit()
{
Assume.AssumeTrue(NativeIO.IsAvailable());
NativeIO.GetMemlockLimit();
}