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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "index_manager_explorer.h"
#include "index_manager_stats.h"
#include <vespa/vespalib/data/slime/cursor.h>
using vespalib::slime::Cursor;
using vespalib::slime::Inserter;
using search::SearchableStats;
using searchcorespi::index::DiskIndexStats;
using searchcorespi::index::MemoryIndexStats;
namespace searchcorespi {
namespace {
void
insertDiskIndex(Cursor &arrayCursor, const DiskIndexStats &diskIndex)
{
Cursor &diskIndexCursor = arrayCursor.addObject();
const SearchableStats &sstats = diskIndex.getSearchableStats();
diskIndexCursor.setLong("serialNum", diskIndex.getSerialNum());
diskIndexCursor.setString("indexDir", diskIndex.getIndexdir());
diskIndexCursor.setLong("sizeOnDisk", sstats.sizeOnDisk());
}
void
insertMemoryUsage(Cursor &object, const vespalib::MemoryUsage &usage)
{
Cursor &memory = object.setObject("memoryUsage");
memory.setLong("allocatedBytes", usage.allocatedBytes());
memory.setLong("usedBytes", usage.usedBytes());
memory.setLong("deadBytes", usage.deadBytes());
memory.setLong("onHoldBytes", usage.allocatedBytesOnHold());
}
void
insertMemoryIndex(Cursor &arrayCursor, const MemoryIndexStats &memoryIndex)
{
Cursor &memoryIndexCursor = arrayCursor.addObject();
const SearchableStats &sstats = memoryIndex.getSearchableStats();
memoryIndexCursor.setLong("serialNum", memoryIndex.getSerialNum());
memoryIndexCursor.setLong("docsInMemory", sstats.docsInMemory());
insertMemoryUsage(memoryIndexCursor, sstats.memoryUsage());
}
}
IndexManagerExplorer::IndexManagerExplorer(IIndexManager::SP mgr)
: _mgr(std::move(mgr))
{
}
void
IndexManagerExplorer::get_state(const Inserter &inserter, bool full) const
{
Cursor &object = inserter.insertObject();
object.setLong("lastSerialNum", _mgr->getCurrentSerialNum());
if (full) {
IndexManagerStats stats(*_mgr);
Cursor &diskIndexArrayCursor = object.setArray("diskIndexes");
for (const auto &diskIndex : stats.getDiskIndexes()) {
insertDiskIndex(diskIndexArrayCursor, diskIndex);
}
Cursor &memoryIndexArrayCursor = object.setArray("memoryIndexes");
for (const auto &memoryIndex : stats.getMemoryIndexes()) {
insertMemoryIndex(memoryIndexArrayCursor, memoryIndex);
}
}
}
} // namespace searchcorespi
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