xref: /openbmc/phosphor-ipmi-flash/bmc/fs.cpp (revision 9bb21e3e)
1 /*
2  * Copyright 2019 Google Inc.
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 "fs.hpp"
18 
19 #include <filesystem>
20 #include <string>
21 #include <system_error>
22 #include <vector>
23 
24 namespace ipmi_flash
25 {
26 namespace fs = std::filesystem;
27 
28 std::vector<std::string> GetJsonList(const std::string& directory)
29 {
30     std::vector<std::string> output;
31 
32     try
33     {
34         for (const auto& p : fs::recursive_directory_iterator(directory))
35         {
36             auto path = p.path();
37             if (path.extension().string() == ".json")
38             {
39                 output.push_back(path.string());
40             }
41         }
42     }
43     catch (const fs::filesystem_error& e)
44     {
45         // Ignore missing directories and just return an empty list
46         if (e.code() == std::error_code(ENOENT, std::generic_category()))
47         {
48             return output;
49         }
50         throw;
51     }
52 
53     return output;
54 }
55 
56 } // namespace ipmi_flash
57