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1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "src/traced/probes/filesystem/range_tree.h"
18 #include "perfetto/base/logging.h"
19 
20 namespace perfetto {
21 
Get(Inode inode)22 const std::set<std::string> RangeTree::Get(Inode inode) {
23   std::set<std::string> ret;
24   auto lower = map_.upper_bound(inode);
25   if (lower != map_.begin())
26     lower--;
27   for (const DataType& x : lower->second)
28     ret.emplace(x->ToString());
29   return ret;
30 }
31 
Insert(Inode inode,RangeTree::DataType value)32 void RangeTree::Insert(Inode inode, RangeTree::DataType value) {
33   auto lower = map_.rbegin();
34   if (!map_.empty()) {
35     PERFETTO_DCHECK(inode > lower->first);
36   }
37 
38   if (map_.empty() || !lower->second.Add(value)) {
39     auto success = map_[inode].Add(value);
40     PERFETTO_DCHECK(success);
41   }
42 }
43 
44 }  // namespace perfetto
45