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Add dump for nilsimsa data

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This commit is contained in:
Marcus Holland-Moritz 2021-03-21 23:06:28 +01:00
parent 953869e913
commit 6c24e55897
1 changed files with 16 additions and 0 deletions
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16
src/dwarfs/inode_manager.cpp
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@ -22,12 +22,16 @@
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <deque>
#include <fstream>
#include <limits>
#include <numeric>
#include <string>
#include <vector>
#include <fmt/format.h>
#include "dwarfs/compiler.h"
#include "dwarfs/entry.h"
#include "dwarfs/error.h"
@ -371,6 +375,18 @@ void inode_manager_<LoggerPolicy>::order_inodes_by_nilsimsa(
inode_manager::order_cb const& fn, file_order_options const& file_order) {
auto count = inodes_.size();
if (auto fname = ::getenv("DWARFS_NILSIMSA_DUMP")) {
std::ofstream ofs{fname};
for (auto const& i : inodes_) {
auto const& h = i->nilsimsa_similarity_hash();
if (!h.empty()) {
ofs << fmt::format("{0:016x}{1:016x}{2:016x}{3:016x}\t{4}\t{5}\n", h[0],
h[1], h[2], h[3], i->size(), i->any()->name());
}
}
}
std::vector<std::shared_ptr<inode>> inodes;
inodes.swap(inodes_);
inodes_.reserve(count);