OR-Tools  8.2
file_nonport.cc
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2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
4 // 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
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
13 
14 #include "absl/status/status.h"
15 #include "ortools/port/file.h"
16 
17 #if !defined(_MSC_VER)
18 #include <unistd.h>
19 #endif
20 
21 #include "absl/strings/str_format.h"
22 #include "absl/time/clock.h"
23 #include "ortools/base/file.h"
24 
25 namespace operations_research {
26 
27 ::absl::Status PortableFileSetContents(absl::string_view file_name,
28  absl::string_view content) {
29  return file::SetContents(file_name, content, file::Defaults());
30 }
31 
32 ::absl::Status PortableFileGetContents(absl::string_view file_name,
33  std::string* output) {
34  return file::GetContents(file_name, output, file::Defaults());
35 }
36 
37 bool PortableTemporaryFile(const char* directory_prefix,
38  std::string* filename_out) {
39 #if defined(__linux)
40  int32 tid = static_cast<int32>(pthread_self());
41 #else // defined(__linux__)
42  int32 tid = 123;
43 #endif // defined(__linux__)
44 #if !defined(_MSC_VER)
45  int32 pid = static_cast<int32>(getpid());
46 #else // _MSC_VER
47  int32 pid = 456;
48 #endif // _MSC_VER
49  int64 now = absl::GetCurrentTimeNanos();
50  std::string filename =
51  absl::StrFormat("/tmp/parameters-tempfile-%x-%d-%llx", tid, pid, now);
52  return true;
53 }
54 
55 ::absl::Status PortableDeleteFile(absl::string_view file_name) {
56  return file::Delete(file_name, file::Defaults());
57 }
58 
59 } // namespace operations_research
int int32
int64_t int64
absl::Status GetContents(const absl::string_view &filename, std::string *output, int flags)
Definition: file.cc:163
int Defaults()
Definition: base/file.h:119
absl::Status Delete(const absl::string_view &path, int flags)
Definition: file.cc:305
absl::Status SetContents(const absl::string_view &filename, const absl::string_view &contents, int flags)
Definition: file.cc:196
The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...
::absl::Status PortableDeleteFile(absl::string_view file_name)
Definition: file_nonport.cc:55
bool PortableTemporaryFile(const char *directory_prefix, std::string *filename_out)
Definition: file_nonport.cc:37
::absl::Status PortableFileSetContents(absl::string_view file_name, absl::string_view content)
Definition: file_nonport.cc:27
::absl::Status PortableFileGetContents(absl::string_view file_name, std::string *output)
Definition: file_nonport.cc:32