public SegmentCrawlStatus Sum(SegmentCrawlStatus other)
{
return(new SegmentCrawlStatus(
ObjectCount + other.ObjectCount,
ObjectLinkCount + other.ObjectLinkCount,
CrawledChunks + other.CrawledChunks,
OriginalFreeChunks + other.OriginalFreeChunks,
ResultFreeChunks + other.ResultFreeChunks,
FreePayloadSize + other.FreePayloadSize,
UsedPayloadSize + other.UsedPayloadSize
));
}
/// <summary>
/// Analyzes all segments scanning for free spaces. Returns number of uncovered free bytes.
/// This is a full-blocking long operation that may take around 8 seconds on a 64Gb heaps in non-parallel mode
/// </summary>
public SegmentCrawlStatus Crawl(bool parallel)
{
SegmentCrawlStatus total = new SegmentCrawlStatus();
var segs = m_Segments.Where(s => s!=null);
if (parallel)
{
var lck = new object();
Parallel.ForEach(segs, (seg) =>
{
if (!getWriteLock(seg)) return;
try
{
var status = seg.Crawl();
lock(lck){ total = total.Sum(status);}
}
finally
{
releaseWriteLock(seg);
}
});
}
else
foreach(var seg in segs)
{
if (!getWriteLock(seg)) return total;
try
{
total = total.Sum(seg.Crawl());
}
finally
{
releaseWriteLock(seg);
}
}
return total;
}
public SegmentCrawlStatus Sum(SegmentCrawlStatus other)
{
return new SegmentCrawlStatus(
CrawledChunks + other.CrawledChunks ,
OriginalFreeChunks + other.OriginalFreeChunks ,
ResultFreeChunks + other.ResultFreeChunks ,
FreePayloadSize + other.FreePayloadSize ,
UsedPayloadSize + other.UsedPayloadSize
);
}
