From fcf6678833f59f9233cf80d871aa563c8477f3d5 Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Wed, 3 Mar 2021 15:21:03 +0100
Subject: [PATCH] Remove inode_hasher

---
 include/dwarfs/inode_hasher.h | 81 -----------------------------------
 1 file changed, 81 deletions(-)
 delete mode 100644 include/dwarfs/inode_hasher.h

diff --git a/include/dwarfs/inode_hasher.h b/include/dwarfs/inode_hasher.h
deleted file mode 100644
index 32d7c140..00000000
--- a/include/dwarfs/inode_hasher.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* vim:set ts=2 sw=2 sts=2 et: */
-/**
- * \author     Marcus Holland-Moritz (github@mhxnet.de)
- * \copyright  Copyright (c) Marcus Holland-Moritz
- *
- * This file is part of dwarfs.
- *
- * dwarfs is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * dwarfs is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with dwarfs.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <unordered_map>
-#include <vector>
-
-#include "dwarfs/cyclic_hash.h"
-#include "dwarfs/logger.h"
-
-namespace dwarfs {
-
-template <typename LoggerPolicy, typename HashType>
-class inode_hasher {
- public:
-  using result_type =
-      typename std::unordered_map<size_t, std::vector<HashType>>;
-
-  inode_hasher(logger& lgr, const std::vector<size_t>& blockhash_window_size)
-      : window_(blockhash_window_size)
-      , log_(lgr) {}
-
-  void operator()(result_type& m, const uint8_t* data, size_t size) const {
-    auto tt = LOG_TIMED_TRACE;
-
-    for (size_t wsize : window_) {
-      if (size >= wsize) {
-        hashit(m[wsize], wsize, data, size);
-      }
-    }
-
-    tt << "hashed " << size << " bytes";
-  }
-
- private:
-  void hashit(std::vector<HashType>& vec, size_t window, const uint8_t* data,
-              size_t size) const {
-    rsync_hash hasher;
-
-    vec.clear();
-    vec.reserve(size - window);
-
-    size_t i = 0;
-
-    while (i < window) {
-      hasher.update(data[i++]);
-    }
-
-    vec.push_back(hasher());
-
-    while (i < size) {
-      hasher.update(data[i - window], data[i]);
-      vec.push_back(hasher());
-      ++i;
-    }
-  }
-
-  const std::vector<size_t> window_;
-  log_proxy<LoggerPolicy> log_;
-};
-
-} // namespace dwarfs