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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/base/file_stream_context.h" | |
| 6 | |
| 7 #include <errno.h> | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/bind.h" | |
| 11 #include "base/bind_helpers.h" | |
| 12 #include "base/callback.h" | |
| 13 #include "base/files/file_path.h" | |
| 14 #include "base/location.h" | |
| 15 #include "base/logging.h" | |
| 16 #include "base/metrics/histogram.h" | |
| 17 #include "base/posix/eintr_wrapper.h" | |
| 18 #include "base/task_runner.h" | |
| 19 #include "base/task_runner_util.h" | |
| 20 #include "net/base/io_buffer.h" | |
| 21 #include "net/base/net_errors.h" | |
| 22 | |
| 23 namespace net { | |
| 24 | |
| 25 FileStream::Context::Context(const scoped_refptr<base::TaskRunner>& task_runner) | |
| 26 : async_in_progress_(false), | |
| 27 orphaned_(false), | |
| 28 task_runner_(task_runner) { | |
| 29 } | |
| 30 | |
| 31 FileStream::Context::Context(base::File file, | |
| 32 const scoped_refptr<base::TaskRunner>& task_runner) | |
| 33 : file_(file.Pass()), | |
| 34 async_in_progress_(false), | |
| 35 orphaned_(false), | |
| 36 task_runner_(task_runner) { | |
| 37 } | |
| 38 | |
| 39 FileStream::Context::~Context() { | |
| 40 } | |
| 41 | |
| 42 int FileStream::Context::Read(IOBuffer* in_buf, | |
| 43 int buf_len, | |
| 44 const CompletionCallback& callback) { | |
| 45 DCHECK(!async_in_progress_); | |
| 46 | |
| 47 scoped_refptr<IOBuffer> buf = in_buf; | |
| 48 const bool posted = base::PostTaskAndReplyWithResult( | |
| 49 task_runner_.get(), | |
| 50 FROM_HERE, | |
| 51 base::Bind(&Context::ReadFileImpl, base::Unretained(this), buf, buf_len), | |
| 52 base::Bind(&Context::OnAsyncCompleted, | |
| 53 base::Unretained(this), | |
| 54 IntToInt64(callback))); | |
| 55 DCHECK(posted); | |
| 56 | |
| 57 async_in_progress_ = true; | |
| 58 return ERR_IO_PENDING; | |
| 59 } | |
| 60 | |
| 61 int FileStream::Context::Write(IOBuffer* in_buf, | |
| 62 int buf_len, | |
| 63 const CompletionCallback& callback) { | |
| 64 DCHECK(!async_in_progress_); | |
| 65 | |
| 66 scoped_refptr<IOBuffer> buf = in_buf; | |
| 67 const bool posted = base::PostTaskAndReplyWithResult( | |
| 68 task_runner_.get(), | |
| 69 FROM_HERE, | |
| 70 base::Bind(&Context::WriteFileImpl, base::Unretained(this), buf, buf_len), | |
| 71 base::Bind(&Context::OnAsyncCompleted, | |
| 72 base::Unretained(this), | |
| 73 IntToInt64(callback))); | |
| 74 DCHECK(posted); | |
| 75 | |
| 76 async_in_progress_ = true; | |
| 77 return ERR_IO_PENDING; | |
| 78 } | |
| 79 | |
| 80 FileStream::Context::IOResult FileStream::Context::SeekFileImpl( | |
| 81 base::File::Whence whence, | |
| 82 int64 offset) { | |
| 83 int64 res = file_.Seek(whence, offset); | |
| 84 if (res == -1) | |
| 85 return IOResult::FromOSError(errno); | |
| 86 | |
| 87 return IOResult(res, 0); | |
| 88 } | |
| 89 | |
| 90 void FileStream::Context::OnFileOpened() { | |
| 91 } | |
| 92 | |
| 93 FileStream::Context::IOResult FileStream::Context::ReadFileImpl( | |
| 94 scoped_refptr<IOBuffer> buf, | |
| 95 int buf_len) { | |
| 96 int res = file_.ReadAtCurrentPosNoBestEffort(buf->data(), buf_len); | |
| 97 if (res == -1) | |
| 98 return IOResult::FromOSError(errno); | |
| 99 | |
| 100 return IOResult(res, 0); | |
| 101 } | |
| 102 | |
| 103 FileStream::Context::IOResult FileStream::Context::WriteFileImpl( | |
| 104 scoped_refptr<IOBuffer> buf, | |
| 105 int buf_len) { | |
| 106 int res = file_.WriteAtCurrentPosNoBestEffort(buf->data(), buf_len); | |
| 107 if (res == -1) | |
| 108 return IOResult::FromOSError(errno); | |
| 109 | |
| 110 return IOResult(res, 0); | |
| 111 } | |
| 112 | |
| 113 } // namespace net | |
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Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master