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Side by Side Diff: net/url_request/url_request_file_dir_job.cc

Issue 6339012: More net/ method ordering. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: More done while waiting for previous patch to clear Created 9 years, 10 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 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 #include "net/url_request/url_request_file_dir_job.h" 5 #include "net/url_request/url_request_file_dir_job.h"
6 6
7 #include "base/compiler_specific.h" 7 #include "base/compiler_specific.h"
8 #include "base/file_util.h" 8 #include "base/file_util.h"
9 #include "base/message_loop.h" 9 #include "base/message_loop.h"
10 #include "base/sys_string_conversions.h" 10 #include "base/sys_string_conversions.h"
(...skipping 15 matching lines...) Expand all
26 : URLRequestJob(request), 26 : URLRequestJob(request),
27 dir_path_(dir_path), 27 dir_path_(dir_path),
28 canceled_(false), 28 canceled_(false),
29 list_complete_(false), 29 list_complete_(false),
30 wrote_header_(false), 30 wrote_header_(false),
31 read_pending_(false), 31 read_pending_(false),
32 read_buffer_length_(0), 32 read_buffer_length_(0),
33 ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)) { 33 ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)) {
34 } 34 }
35 35
36 URLRequestFileDirJob::~URLRequestFileDirJob() {
37 DCHECK(read_pending_ == false);
38 DCHECK(lister_ == NULL);
39 }
40
41 void URLRequestFileDirJob::Start() {
42 // Start reading asynchronously so that all error reporting and data
43 // callbacks happen as they would for network requests.
44 MessageLoop::current()->PostTask(
45 FROM_HERE,
46 method_factory_.NewRunnableMethod(
47 &URLRequestFileDirJob::StartAsync));
48 }
49
50 void URLRequestFileDirJob::StartAsync() { 36 void URLRequestFileDirJob::StartAsync() {
51 DCHECK(!lister_); 37 DCHECK(!lister_);
52 38
53 // TODO(willchan): This is stupid. We should tell |lister_| not to call us 39 // TODO(willchan): This is stupid. We should tell |lister_| not to call us
54 // back. Fix this stupidity. 40 // back. Fix this stupidity.
55 41
56 // AddRef so that *this* cannot be destroyed while the lister_ 42 // AddRef so that *this* cannot be destroyed while the lister_
57 // is trying to feed us data. 43 // is trying to feed us data.
58 44
59 AddRef(); 45 AddRef();
60 lister_ = new DirectoryLister(dir_path_, this); 46 lister_ = new DirectoryLister(dir_path_, this);
61 lister_->Start(); 47 lister_->Start();
62 48
63 NotifyHeadersComplete(); 49 NotifyHeadersComplete();
64 } 50 }
65 51
52 void URLRequestFileDirJob::Start() {
53 // Start reading asynchronously so that all error reporting and data
54 // callbacks happen as they would for network requests.
55 MessageLoop::current()->PostTask(
56 FROM_HERE,
57 method_factory_.NewRunnableMethod(
58 &URLRequestFileDirJob::StartAsync));
59 }
60
66 void URLRequestFileDirJob::Kill() { 61 void URLRequestFileDirJob::Kill() {
67 if (canceled_) 62 if (canceled_)
68 return; 63 return;
69 64
70 canceled_ = true; 65 canceled_ = true;
71 66
72 // Don't call CloseLister or dispatch an error to the URLRequest because 67 // Don't call CloseLister or dispatch an error to the URLRequest because
73 // we want OnListDone to be called to also write the error to the output 68 // we want OnListDone to be called to also write the error to the output
74 // stream. OnListDone will notify the URLRequest at this time. 69 // stream. OnListDone will notify the URLRequest at this time.
75 if (lister_) 70 if (lister_)
(...skipping 91 matching lines...) Expand 10 before | Expand all | Expand 10 after
167 read_pending_ = false; 162 read_pending_ = false;
168 NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, error)); 163 NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, error));
169 } else { 164 } else {
170 list_complete_ = true; 165 list_complete_ = true;
171 CompleteRead(); 166 CompleteRead();
172 } 167 }
173 168
174 Release(); // The Lister is finished; may delete *this* 169 Release(); // The Lister is finished; may delete *this*
175 } 170 }
176 171
172 URLRequestFileDirJob::~URLRequestFileDirJob() {
173 DCHECK(read_pending_ == false);
174 DCHECK(lister_ == NULL);
175 }
176
177 void URLRequestFileDirJob::CloseLister() { 177 void URLRequestFileDirJob::CloseLister() {
178 if (lister_) { 178 if (lister_) {
179 lister_->Cancel(); 179 lister_->Cancel();
180 lister_->set_delegate(NULL); 180 lister_->set_delegate(NULL);
181 lister_ = NULL; 181 lister_ = NULL;
182 } 182 }
183 } 183 }
184 184
185 bool URLRequestFileDirJob::FillReadBuffer(char *buf, int buf_size,
186 int *bytes_read) {
187 DCHECK(bytes_read);
188
189 *bytes_read = 0;
190
191 int count = std::min(buf_size, static_cast<int>(data_.size()));
192 if (count) {
193 memcpy(buf, &data_[0], count);
194 data_.erase(0, count);
195 *bytes_read = count;
196 return true;
197 } else if (list_complete_) {
198 // EOF
199 return true;
200 }
201 return false;
202 }
203
204 void URLRequestFileDirJob::CompleteRead() { 185 void URLRequestFileDirJob::CompleteRead() {
205 if (read_pending_) { 186 if (read_pending_) {
206 int bytes_read; 187 int bytes_read;
207 if (FillReadBuffer(read_buffer_->data(), read_buffer_length_, 188 if (FillReadBuffer(read_buffer_->data(), read_buffer_length_,
208 &bytes_read)) { 189 &bytes_read)) {
209 // We completed the read, so reset the read buffer. 190 // We completed the read, so reset the read buffer.
210 read_pending_ = false; 191 read_pending_ = false;
211 read_buffer_ = NULL; 192 read_buffer_ = NULL;
212 read_buffer_length_ = 0; 193 read_buffer_length_ = 0;
213 194
214 SetStatus(URLRequestStatus()); 195 SetStatus(URLRequestStatus());
215 NotifyReadComplete(bytes_read); 196 NotifyReadComplete(bytes_read);
216 } else { 197 } else {
217 NOTREACHED(); 198 NOTREACHED();
218 // TODO: Better error code. 199 // TODO: Better error code.
219 NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, 0)); 200 NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, 0));
220 } 201 }
221 } 202 }
222 } 203 }
223 204
205 bool URLRequestFileDirJob::FillReadBuffer(char *buf, int buf_size,
206 int *bytes_read) {
207 DCHECK(bytes_read);
208
209 *bytes_read = 0;
210
211 int count = std::min(buf_size, static_cast<int>(data_.size()));
212 if (count) {
213 memcpy(buf, &data_[0], count);
214 data_.erase(0, count);
215 *bytes_read = count;
216 return true;
217 } else if (list_complete_) {
218 // EOF
219 return true;
220 }
221 return false;
222 }
223
224 } // namespace net 224 } // namespace net
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