/Users/deen/code/yugabyte-db/src/yb/rocksdb/db/file_numbers.cc
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1 | | // Copyright (c) YugaByte, Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
4 | | // in compliance with the License. You may obtain a copy of the License at |
5 | | // |
6 | | // http://www.apache.org/licenses/LICENSE-2.0 |
7 | | // |
8 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
9 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
10 | | // or implied. See the License for the specific language governing permissions and limitations |
11 | | // under the License. |
12 | | // |
13 | | |
14 | | #include "yb/rocksdb/db/file_numbers.h" |
15 | | |
16 | | #include "yb/rocksdb/db/version_set.h" |
17 | | |
18 | | namespace rocksdb { |
19 | | |
20 | 0 | std::string FileNumbersHolder::ToString() const { |
21 | 0 | return yb::ToString(file_numbers_); |
22 | 0 | } |
23 | | |
24 | 42.0k | FileNumbersHolder FileNumbersProvider::NewFileNumber() { |
25 | | // No need to lock because VersionSet::next_file_number_ is atomic. |
26 | 42.0k | auto file_number = versions_->NewFileNumber(); |
27 | 42.0k | AddFileNumber(file_number); |
28 | 42.0k | auto holder = FileNumbersHolder(this); |
29 | 42.0k | holder.Add(file_number); |
30 | 42.0k | return holder; |
31 | 42.0k | } |
32 | | |
33 | 11.4k | FileNumbersHolder FileNumbersProvider::CreateHolder() { |
34 | 11.4k | return FileNumbersHolder(this); |
35 | 11.4k | } |
36 | | |
37 | 22.9k | FileNumber FileNumbersProvider::NewFileNumber(FileNumbersHolder* holder) { |
38 | | // No need to lock because VersionSet::next_file_number_ is atomic. |
39 | 22.9k | auto file_number = versions_->NewFileNumber(); |
40 | 22.9k | std::lock_guard<SpinMutex> l(mutex_); |
41 | 22.9k | fset_.insert(file_number); |
42 | 22.9k | holder->Add(file_number); |
43 | 22.9k | return file_number; |
44 | 22.9k | } |
45 | | |
46 | 5.83M | bool FileNumbersProvider::HasFileNumber(FileNumber file_number) const { |
47 | 5.83M | std::lock_guard<SpinMutex> l(mutex_); |
48 | 5.83M | return fset_.count(file_number) > 0; |
49 | 5.83M | } |
50 | | |
51 | 0 | std::string FileNumbersProvider::ToString() const { |
52 | 0 | std::lock_guard<SpinMutex> l(mutex_); |
53 | 0 | return yb::ToString(fset_); |
54 | 0 | } |
55 | | |
56 | 71.1k | void FileNumbersProvider::AddFileNumber(FileNumber file_number) { |
57 | 71.1k | std::lock_guard<SpinMutex> l(mutex_); |
58 | 71.1k | fset_.insert(file_number); |
59 | 71.1k | } |
60 | | |
61 | 94.0k | void FileNumbersProvider::RemoveFileNumber(FileNumber file_number) { |
62 | 94.0k | std::lock_guard<SpinMutex> l(mutex_); |
63 | 94.0k | auto iter = fset_.find(file_number); |
64 | 94.0k | if (iter != fset_.end()) { |
65 | 94.0k | fset_.erase(iter); |
66 | 94.0k | } |
67 | 94.0k | } |
68 | | |
69 | | } // namespace rocksdb |