xref: /openbmc/openpower-proc-control/filedescriptor.cpp (revision f7d1c1db7d360df6b0370b04f5e04109fe89bb53)
1 /**
2  * Copyright (C) 2017 IBM Corporation
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 #include "filedescriptor.hpp"
17 
18 #include <unistd.h>
19 
20 #include <phosphor-logging/elog-errors.hpp>
21 #include <phosphor-logging/elog.hpp>
22 #include <stdexcept>
23 #include <xyz/openbmc_project/Common/File/error.hpp>
24 
25 namespace openpower
26 {
27 namespace util
28 {
29 
30 namespace file_error = sdbusplus::xyz::openbmc_project::Common::File::Error;
31 
32 FileDescriptor::FileDescriptor(const std::string& path)
33 {
34     using namespace phosphor::logging;
35 
36     fd = open(path.c_str(), O_RDWR | O_SYNC);
37 
38     if (fd < 0)
39     {
40         using metadata = xyz::openbmc_project::Common::File::Open;
41 
42         elog<file_error::Open>(metadata::ERRNO(errno),
43                                metadata::PATH(path.c_str()));
44     }
45 }
46 
47 FileDescriptor::~FileDescriptor()
48 {
49     if (fd >= 0)
50     {
51         close(fd);
52     }
53 }
54 
55 } // namespace util
56 } // namespace openpower
57