protected bool IsKnownStaticBlock(BlockContainer block)
{
// If the block was written to less than 3 minutes ago, return false
if (block.LastWrite > DateTime.Now.AddMinutes(-(3 * 60 * 1000)))
{
return(false);
}
// Extract the server key from the block id
BlockId blockId = block.Id;
int serverId = ((int)blockId.Low & 0x0FF);
// Look up the max known block id for the manager server,
BlockId maxBlockId;
lock (maxKnownBlockId) {
maxKnownBlockId.TryGetValue(serverId, out maxBlockId);
}
// If the block is less than the max, the block can be compressed!
if (maxBlockId != null && blockId.CompareTo(maxBlockId) < 0)
{
return(true);
}
// Otherwise update the last write flag (so we only check the max block id
// every 3 mins).
block.TouchLastWrite();
return(false);
}
public int CompareTo(BlockContainer other)
{
return(blockId.CompareTo(other.blockId));
}