private void SwitchCurrentBuffer(bool enforceEOF)
{
BufferStart = (long)BUFFER_SIZE * (long)CurrentBufferIndex;
if (CurrentBufferIndex >= File.NumBuffers())
{
// end of file reached, no more buffers left
if (enforceEOF)
{
throw new EndOfStreamException("read past EOF: " + this);
}
else
{
// Force EOF if a read takes place at this position
CurrentBufferIndex--;
BufferPosition = BUFFER_SIZE;
}
}
else
{
CurrentBuffer = File.GetBuffer(CurrentBufferIndex);
BufferPosition = 0;
long buflen = Length_Renamed - BufferStart;
BufferLength = buflen > BUFFER_SIZE ? BUFFER_SIZE : (int)buflen;
}
}
private void SwitchCurrentBuffer(bool enforceEOF)
{
bufferStart = (long)BUFFER_SIZE * (long)currentBufferIndex;
if (currentBufferIndex >= file.NumBuffers)
{
// end of file reached, no more buffers left
if (enforceEOF)
{
throw EOFException.Create("read past EOF: " + this);
}
else
{
// Force EOF if a read takes place at this position
currentBufferIndex--;
bufferPosition = BUFFER_SIZE;
}
}
else
{
currentBuffer = file.GetBuffer(currentBufferIndex);
bufferPosition = 0;
long buflen = length - bufferStart;
bufferLength = buflen > BUFFER_SIZE ? BUFFER_SIZE : (int)buflen;
}
}
private void SwitchCurrentBuffer(bool enforceEOF)
{
if (currentBufferIndex >= file.NumBuffers())
{
// end of file reached, no more buffers left
if (enforceEOF)
{
throw new System.IO.IOException("Read past EOF");
}
else
{
// Force EOF if a read takes place at this position
currentBufferIndex--;
bufferPosition = BUFFER_SIZE;
}
}
else
{
currentBuffer = (byte[])file.GetBuffer(currentBufferIndex);
bufferPosition = 0;
bufferStart = (long)BUFFER_SIZE * (long)currentBufferIndex;
long buflen = length - bufferStart;
bufferLength = buflen > BUFFER_SIZE?BUFFER_SIZE:(int)buflen;
}
}
/// <summary>
/// Copy the current contents of this buffer to the named output. </summary>
public virtual void WriteTo(DataOutput @out)
{
Flush();
long end = file.length;
long pos = 0;
int buffer = 0;
while (pos < end)
{
int length = BUFFER_SIZE;
long nextPos = pos + length;
if (nextPos > end) // at the last buffer
{
length = (int)(end - pos);
}
@out.WriteBytes(file.GetBuffer(buffer++), length);
pos = nextPos;
}
}
/// <summary>Copy the current contents of this buffer to the named output. </summary>
public virtual void WriteTo(IndexOutput out_Renamed)
{
Flush();
long end = file.length;
long pos = 0;
int buffer = 0;
while (pos < end)
{
int length = BUFFER_SIZE;
long nextPos = pos + length;
if (nextPos > end)
{
// at the last buffer
length = (int)(end - pos);
}
out_Renamed.WriteBytes((byte[])file.GetBuffer(buffer++), length);
pos = nextPos;
}
}
private void SwitchCurrentBuffer()
{
if (currentBufferIndex >= file.NumBuffers())
{
// end of file reached, no more buffers left
throw new System.IO.IOException("Read past EOF");
}
else
{
currentBuffer = file.GetBuffer(currentBufferIndex);
bufferPosition = 0;
bufferStart = (long)BUFFER_SIZE * (long)currentBufferIndex;
long buflen = length - bufferStart;
bufferLength = buflen > BUFFER_SIZE ? BUFFER_SIZE : (int)buflen;
}
}
/// <summary>Simulates a crash of OS or machine by overwriting
/// unsynced files.
/// </summary>
public virtual void Crash()
{
lock (this)
{
crashed = true;
openFiles = new System.Collections.Hashtable();
System.Collections.IEnumerator it = unSyncedFiles.GetEnumerator();
unSyncedFiles = new System.Collections.Hashtable();
int count = 0;
while (it.MoveNext())
{
System.String name = (System.String)((System.Collections.DictionaryEntry)it.Current).Value;
RAMFile file = (RAMFile)fileMap_ForNUnit[name];
if (count % 3 == 0)
{
DeleteFile(name, true);
}
else if (count % 3 == 1)
{
// Zero out file entirely
int numBuffers = file.NumBuffers();
for (int i = 0; i < numBuffers; i++)
{
byte[] buffer = file.GetBuffer(i);
for (int j = 0; j < buffer.Length; j++)
{
buffer[j] = (byte)0;
}
}
}
else if (count % 3 == 2)
{
// Truncate the file:
file.SetLength(file.GetLength() / 2);
}
count++;
}
}
}
/* Simulates a crash of OS or machine by overwriting
* unsynced files. */
public virtual void Crash()
{
lock (this)
{
crashed = true;
openFiles = new Dictionary <string, int>();
openFilesDeleted = Support.Compatibility.SetFactory.CreateHashSet <string>();
var it = unSyncedFiles.GetEnumerator();
unSyncedFiles = Support.Compatibility.SetFactory.CreateHashSet <string>();
int count = 0;
while (it.MoveNext())
{
string name = it.Current;
RAMFile file = fileMap[name];
if (count % 3 == 0)
{
DeleteFile(name, true);
}
else if (count % 3 == 1)
{
// Zero out file entirely
int numBuffers = file.NumBuffers();
for (int i = 0; i < numBuffers; i++)
{
byte[] buffer = file.GetBuffer(i);
Array.Clear(buffer, 0, buffer.Length);
}
}
else if (count % 3 == 2)
{
// Truncate the file:
file.Length = file.Length / 2;
}
count++;
}
}
}
