void WriteBuffer(bool force)
{
if (buffer.Count == 0)
{
return;
}
if (!force && buffer.Count < 4096)
{
return;
}
BlockDBFile.WriteEntries(stream, buffer);
buffer.Count = 0;
}
/// <summary> Flushes the entries from the in-memory cache to disc. </summary>
/// <remarks> You must lock using Locker.AccquireWrite() **before** entering this method. </remarks>
public void FlushCache()
{
if (Cache.Head == null)
{
return;
}
BlockDBFile format = ValidateBackingFile();
using (Stream s = OpenWrite()) {
// This truncates the lower 4 bits off - so e.g. if a power off occurred
// and 21 bytes were in the file, this sets the position to byte 16
s.Position = s.Length & ~0x0F;
format.WriteEntries(s, Cache);
Cache.Clear();
}
}
public void WriteEntries()
{
using (IDisposable writeLock = locker.AccquireWriteLock()) {
if (Cache.Count == 0)
{
return;
}
ValidateBackingFile();
using (Stream s = File.OpenWrite(FilePath)) {
// This truncates the lower 4 bits off - so e.g. if a power off occurred
// and 21 bytes were in the file, this sets the position to byte 16
s.Position = s.Length & ~0x0F;
BlockDBFile.WriteEntries(s, Cache);
lock (CacheLock)
Cache = new FastList <BlockDBEntry>();
}
}
}