Use system-wide LevelDB instead of bundled one

1 files changed, 0 insertions, 266 deletions

diff --git a/src/leveldb/db/version_edit.cc b/src/leveldb/db/version_edit.cc
deleted file mode 100644
index f10a2d58b..000000000
--- a/src/leveldb/db/version_edit.cc
+++ /dev/null
@@ -1,266 +0,0 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-
-#include "db/version_edit.h"
-
-#include "db/version_set.h"
-#include "util/coding.h"
-
-namespace leveldb {
-
-// Tag numbers for serialized VersionEdit.  These numbers are written to
-// disk and should not be changed.
-enum Tag {
-  kComparator           = 1,
-  kLogNumber            = 2,
-  kNextFileNumber       = 3,
-  kLastSequence         = 4,
-  kCompactPointer       = 5,
-  kDeletedFile          = 6,
-  kNewFile              = 7,
-  // 8 was used for large value refs
-  kPrevLogNumber        = 9
-};
-
-void VersionEdit::Clear() {
-  comparator_.clear();
-  log_number_ = 0;
-  prev_log_number_ = 0;
-  last_sequence_ = 0;
-  next_file_number_ = 0;
-  has_comparator_ = false;
-  has_log_number_ = false;
-  has_prev_log_number_ = false;
-  has_next_file_number_ = false;
-  has_last_sequence_ = false;
-  deleted_files_.clear();
-  new_files_.clear();
-}
-
-void VersionEdit::EncodeTo(std::string* dst) const {
-  if (has_comparator_) {
-    PutVarint32(dst, kComparator);
-    PutLengthPrefixedSlice(dst, comparator_);
-  }
-  if (has_log_number_) {
-    PutVarint32(dst, kLogNumber);
-    PutVarint64(dst, log_number_);
-  }
-  if (has_prev_log_number_) {
-    PutVarint32(dst, kPrevLogNumber);
-    PutVarint64(dst, prev_log_number_);
-  }
-  if (has_next_file_number_) {
-    PutVarint32(dst, kNextFileNumber);
-    PutVarint64(dst, next_file_number_);
-  }
-  if (has_last_sequence_) {
-    PutVarint32(dst, kLastSequence);
-    PutVarint64(dst, last_sequence_);
-  }
-
-  for (size_t i = 0; i < compact_pointers_.size(); i++) {
-    PutVarint32(dst, kCompactPointer);
-    PutVarint32(dst, compact_pointers_[i].first);  // level
-    PutLengthPrefixedSlice(dst, compact_pointers_[i].second.Encode());
-  }
-
-  for (DeletedFileSet::const_iterator iter = deleted_files_.begin();
-       iter != deleted_files_.end();
-       ++iter) {
-    PutVarint32(dst, kDeletedFile);
-    PutVarint32(dst, iter->first);   // level
-    PutVarint64(dst, iter->second);  // file number
-  }
-
-  for (size_t i = 0; i < new_files_.size(); i++) {
-    const FileMetaData& f = new_files_[i].second;
-    PutVarint32(dst, kNewFile);
-    PutVarint32(dst, new_files_[i].first);  // level
-    PutVarint64(dst, f.number);
-    PutVarint64(dst, f.file_size);
-    PutLengthPrefixedSlice(dst, f.smallest.Encode());
-    PutLengthPrefixedSlice(dst, f.largest.Encode());
-  }
-}
-
-static bool GetInternalKey(Slice* input, InternalKey* dst) {
-  Slice str;
-  if (GetLengthPrefixedSlice(input, &str)) {
-    dst->DecodeFrom(str);
-    return true;
-  } else {
-    return false;
-  }
-}
-
-static bool GetLevel(Slice* input, int* level) {
-  uint32_t v;
-  if (GetVarint32(input, &v) &&
-      v < config::kNumLevels) {
-    *level = v;
-    return true;
-  } else {
-    return false;
-  }
-}
-
-Status VersionEdit::DecodeFrom(const Slice& src) {
-  Clear();
-  Slice input = src;
-  const char* msg = NULL;
-  uint32_t tag;
-
-  // Temporary storage for parsing
-  int level;
-  uint64_t number;
-  FileMetaData f;
-  Slice str;
-  InternalKey key;
-
-  while (msg == NULL && GetVarint32(&input, &tag)) {
-    switch (tag) {
-      case kComparator:
-        if (GetLengthPrefixedSlice(&input, &str)) {
-          comparator_ = str.ToString();
-          has_comparator_ = true;
-        } else {
-          msg = "comparator name";
-        }
-        break;
-
-      case kLogNumber:
-        if (GetVarint64(&input, &log_number_)) {
-          has_log_number_ = true;
-        } else {
-          msg = "log number";
-        }
-        break;
-
-      case kPrevLogNumber:
-        if (GetVarint64(&input, &prev_log_number_)) {
-          has_prev_log_number_ = true;
-        } else {
-          msg = "previous log number";
-        }
-        break;
-
-      case kNextFileNumber:
-        if (GetVarint64(&input, &next_file_number_)) {
-          has_next_file_number_ = true;
-        } else {
-          msg = "next file number";
-        }
-        break;
-
-      case kLastSequence:
-        if (GetVarint64(&input, &last_sequence_)) {
-          has_last_sequence_ = true;
-        } else {
-          msg = "last sequence number";
-        }
-        break;
-
-      case kCompactPointer:
-        if (GetLevel(&input, &level) &&
-            GetInternalKey(&input, &key)) {
-          compact_pointers_.push_back(std::make_pair(level, key));
-        } else {
-          msg = "compaction pointer";
-        }
-        break;
-
-      case kDeletedFile:
-        if (GetLevel(&input, &level) &&
-            GetVarint64(&input, &number)) {
-          deleted_files_.insert(std::make_pair(level, number));
-        } else {
-          msg = "deleted file";
-        }
-        break;
-
-      case kNewFile:
-        if (GetLevel(&input, &level) &&
-            GetVarint64(&input, &f.number) &&
-            GetVarint64(&input, &f.file_size) &&
-            GetInternalKey(&input, &f.smallest) &&
-            GetInternalKey(&input, &f.largest)) {
-          new_files_.push_back(std::make_pair(level, f));
-        } else {
-          msg = "new-file entry";
-        }
-        break;
-
-      default:
-        msg = "unknown tag";
-        break;
-    }
-  }
-
-  if (msg == NULL && !input.empty()) {
-    msg = "invalid tag";
-  }
-
-  Status result;
-  if (msg != NULL) {
-    result = Status::Corruption("VersionEdit", msg);
-  }
-  return result;
-}
-
-std::string VersionEdit::DebugString() const {
-  std::string r;
-  r.append("VersionEdit {");
-  if (has_comparator_) {
-    r.append("\n  Comparator: ");
-    r.append(comparator_);
-  }
-  if (has_log_number_) {
-    r.append("\n  LogNumber: ");
-    AppendNumberTo(&r, log_number_);
-  }
-  if (has_prev_log_number_) {
-    r.append("\n  PrevLogNumber: ");
-    AppendNumberTo(&r, prev_log_number_);
-  }
-  if (has_next_file_number_) {
-    r.append("\n  NextFile: ");
-    AppendNumberTo(&r, next_file_number_);
-  }
-  if (has_last_sequence_) {
-    r.append("\n  LastSeq: ");
-    AppendNumberTo(&r, last_sequence_);
-  }
-  for (size_t i = 0; i < compact_pointers_.size(); i++) {
-    r.append("\n  CompactPointer: ");
-    AppendNumberTo(&r, compact_pointers_[i].first);
-    r.append(" ");
-    r.append(compact_pointers_[i].second.DebugString());
-  }
-  for (DeletedFileSet::const_iterator iter = deleted_files_.begin();
-       iter != deleted_files_.end();
-       ++iter) {
-    r.append("\n  DeleteFile: ");
-    AppendNumberTo(&r, iter->first);
-    r.append(" ");
-    AppendNumberTo(&r, iter->second);
-  }
-  for (size_t i = 0; i < new_files_.size(); i++) {
-    const FileMetaData& f = new_files_[i].second;
-    r.append("\n  AddFile: ");
-    AppendNumberTo(&r, new_files_[i].first);
-    r.append(" ");
-    AppendNumberTo(&r, f.number);
-    r.append(" ");
-    AppendNumberTo(&r, f.file_size);
-    r.append(" ");
-    r.append(f.smallest.DebugString());
-    r.append(" .. ");
-    r.append(f.largest.DebugString());
-  }
-  r.append("\n}\n");
-  return r;
-}
-
-}  // namespace leveldb