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1 | // Licensed to the Apache Software Foundation (ASF) under one |
2 | // or more contributor license agreements. See the NOTICE file | |
3 | // distributed with this work for additional information | |
4 | // regarding copyright ownership. The ASF licenses this file | |
5 | // to you under the Apache License, Version 2.0 (the | |
6 | // "License"); you may not use this file except in compliance | |
7 | // with the License. You may obtain a copy of the License at | |
8 | // | |
9 | // http://www.apache.org/licenses/LICENSE-2.0 | |
10 | // | |
11 | // Unless required by applicable law or agreed to in writing, | |
12 | // software distributed under the License is distributed on an | |
13 | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | // KIND, either express or implied. See the License for the | |
15 | // specific language governing permissions and limitations | |
16 | // under the License. | |
17 | ||
18 | #include "arrow/filesystem/util_internal.h" | |
19 | #include "arrow/buffer.h" | |
20 | #include "arrow/result.h" | |
21 | #include "arrow/status.h" | |
22 | ||
23 | namespace arrow { | |
24 | namespace fs { | |
25 | namespace internal { | |
26 | ||
27 | TimePoint CurrentTimePoint() { | |
28 | auto now = std::chrono::system_clock::now(); | |
29 | return TimePoint( | |
30 | std::chrono::duration_cast<TimePoint::duration>(now.time_since_epoch())); | |
31 | } | |
32 | ||
33 | Status CopyStream(const std::shared_ptr<io::InputStream>& src, | |
34 | const std::shared_ptr<io::OutputStream>& dest, int64_t chunk_size, | |
35 | const io::IOContext& io_context) { | |
36 | ARROW_ASSIGN_OR_RAISE(auto chunk, AllocateBuffer(chunk_size, io_context.pool())); | |
37 | ||
38 | while (true) { | |
39 | ARROW_ASSIGN_OR_RAISE(int64_t bytes_read, | |
40 | src->Read(chunk_size, chunk->mutable_data())); | |
41 | if (bytes_read == 0) { | |
42 | // EOF | |
43 | break; | |
44 | } | |
45 | RETURN_NOT_OK(dest->Write(chunk->data(), bytes_read)); | |
46 | } | |
47 | ||
48 | return Status::OK(); | |
49 | } | |
50 | ||
51 | Status PathNotFound(const std::string& path) { | |
52 | return Status::IOError("Path does not exist '", path, "'"); | |
53 | } | |
54 | ||
55 | Status NotADir(const std::string& path) { | |
56 | return Status::IOError("Not a directory: '", path, "'"); | |
57 | } | |
58 | ||
59 | Status NotAFile(const std::string& path) { | |
60 | return Status::IOError("Not a regular file: '", path, "'"); | |
61 | } | |
62 | ||
63 | Status InvalidDeleteDirContents(const std::string& path) { | |
64 | return Status::Invalid( | |
65 | "DeleteDirContents called on invalid path '", path, "'. ", | |
66 | "If you wish to delete the root directory's contents, call DeleteRootDirContents."); | |
67 | } | |
68 | ||
69 | FileSystemGlobalOptions global_options; | |
70 | ||
71 | } // namespace internal | |
72 | } // namespace fs | |
73 | } // namespace arrow |