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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // For 64-bit file access (off_t = off64_t, lseek64, etc). | 5 // For 64-bit file access (off_t = off64_t, lseek64, etc). |
6 #define _FILE_OFFSET_BITS 64 | 6 #define _FILE_OFFSET_BITS 64 |
7 | 7 |
8 #include "net/base/file_stream_context.h" | 8 #include "net/base/file_stream_context.h" |
9 | 9 |
10 #include <errno.h> | 10 #include <errno.h> |
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77 return static_cast<int64>(info.st_size); | 77 return static_cast<int64>(info.st_size); |
78 } | 78 } |
79 | 79 |
80 int FileStream::Context::ReadAsync(IOBuffer* in_buf, | 80 int FileStream::Context::ReadAsync(IOBuffer* in_buf, |
81 int buf_len, | 81 int buf_len, |
82 const CompletionCallback& callback) { | 82 const CompletionCallback& callback) { |
83 DCHECK(!async_in_progress_); | 83 DCHECK(!async_in_progress_); |
84 | 84 |
85 scoped_refptr<IOBuffer> buf = in_buf; | 85 scoped_refptr<IOBuffer> buf = in_buf; |
86 const bool posted = base::PostTaskAndReplyWithResult( | 86 const bool posted = base::PostTaskAndReplyWithResult( |
87 base::WorkerPool::GetTaskRunner(true /* task is slow */), | 87 base::WorkerPool::GetTaskRunner(true /* task is slow */).get(), |
88 FROM_HERE, | 88 FROM_HERE, |
89 base::Bind(&Context::ReadFileImpl, | 89 base::Bind(&Context::ReadFileImpl, base::Unretained(this), buf, buf_len), |
90 base::Unretained(this), buf, buf_len), | |
91 base::Bind(&Context::ProcessAsyncResult, | 90 base::Bind(&Context::ProcessAsyncResult, |
92 base::Unretained(this), IntToInt64(callback), | 91 base::Unretained(this), |
| 92 IntToInt64(callback), |
93 FILE_ERROR_SOURCE_READ)); | 93 FILE_ERROR_SOURCE_READ)); |
94 DCHECK(posted); | 94 DCHECK(posted); |
95 | 95 |
96 async_in_progress_ = true; | 96 async_in_progress_ = true; |
97 return ERR_IO_PENDING; | 97 return ERR_IO_PENDING; |
98 } | 98 } |
99 | 99 |
100 int FileStream::Context::ReadSync(char* in_buf, int buf_len) { | 100 int FileStream::Context::ReadSync(char* in_buf, int buf_len) { |
101 scoped_refptr<IOBuffer> buf = new WrappedIOBuffer(in_buf); | 101 scoped_refptr<IOBuffer> buf = new WrappedIOBuffer(in_buf); |
102 IOResult result = ReadFileImpl(buf, buf_len); | 102 IOResult result = ReadFileImpl(buf, buf_len); |
103 RecordError(result, FILE_ERROR_SOURCE_READ); | 103 RecordError(result, FILE_ERROR_SOURCE_READ); |
104 return result.result; | 104 return result.result; |
105 } | 105 } |
106 | 106 |
107 int FileStream::Context::WriteAsync(IOBuffer* in_buf, | 107 int FileStream::Context::WriteAsync(IOBuffer* in_buf, |
108 int buf_len, | 108 int buf_len, |
109 const CompletionCallback& callback) { | 109 const CompletionCallback& callback) { |
110 DCHECK(!async_in_progress_); | 110 DCHECK(!async_in_progress_); |
111 | 111 |
112 scoped_refptr<IOBuffer> buf = in_buf; | 112 scoped_refptr<IOBuffer> buf = in_buf; |
113 const bool posted = base::PostTaskAndReplyWithResult( | 113 const bool posted = base::PostTaskAndReplyWithResult( |
114 base::WorkerPool::GetTaskRunner(true /* task is slow */), | 114 base::WorkerPool::GetTaskRunner(true /* task is slow */).get(), |
115 FROM_HERE, | 115 FROM_HERE, |
116 base::Bind(&Context::WriteFileImpl, | 116 base::Bind(&Context::WriteFileImpl, base::Unretained(this), buf, buf_len), |
117 base::Unretained(this), buf, buf_len), | |
118 base::Bind(&Context::ProcessAsyncResult, | 117 base::Bind(&Context::ProcessAsyncResult, |
119 base::Unretained(this), IntToInt64(callback), | 118 base::Unretained(this), |
| 119 IntToInt64(callback), |
120 FILE_ERROR_SOURCE_WRITE)); | 120 FILE_ERROR_SOURCE_WRITE)); |
121 DCHECK(posted); | 121 DCHECK(posted); |
122 | 122 |
123 async_in_progress_ = true; | 123 async_in_progress_ = true; |
124 return ERR_IO_PENDING; | 124 return ERR_IO_PENDING; |
125 } | 125 } |
126 | 126 |
127 int FileStream::Context::WriteSync(const char* in_buf, int buf_len) { | 127 int FileStream::Context::WriteSync(const char* in_buf, int buf_len) { |
128 scoped_refptr<IOBuffer> buf = new WrappedIOBuffer(in_buf); | 128 scoped_refptr<IOBuffer> buf = new WrappedIOBuffer(in_buf); |
129 IOResult result = WriteFileImpl(buf, buf_len); | 129 IOResult result = WriteFileImpl(buf, buf_len); |
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175 scoped_refptr<IOBuffer> buf, | 175 scoped_refptr<IOBuffer> buf, |
176 int buf_len) { | 176 int buf_len) { |
177 ssize_t res = HANDLE_EINTR(write(file_, buf->data(), buf_len)); | 177 ssize_t res = HANDLE_EINTR(write(file_, buf->data(), buf_len)); |
178 if (res == -1) | 178 if (res == -1) |
179 return IOResult::FromOSError(errno); | 179 return IOResult::FromOSError(errno); |
180 | 180 |
181 return IOResult(res, 0); | 181 return IOResult(res, 0); |
182 } | 182 } |
183 | 183 |
184 } // namespace net | 184 } // namespace net |
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