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| 1 // Copyright 2014 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 "components/update_client/request_sender.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/bind_helpers.h" |
| 9 #include "base/location.h" |
| 10 #include "base/logging.h" |
| 11 #include "base/single_thread_task_runner.h" |
| 12 #include "base/thread_task_runner_handle.h" |
| 13 #include "components/update_client/configurator.h" |
| 14 #include "components/update_client/utils.h" |
| 15 #include "net/url_request/url_fetcher.h" |
| 16 |
| 17 namespace update_client { |
| 18 |
| 19 RequestSender::RequestSender(const Configurator& config) : config_(config) { |
| 20 } |
| 21 |
| 22 RequestSender::~RequestSender() { |
| 23 DCHECK(thread_checker_.CalledOnValidThread()); |
| 24 } |
| 25 |
| 26 void RequestSender::Send(const std::string& request_string, |
| 27 const std::vector<GURL>& urls, |
| 28 const RequestSenderCallback& request_sender_callback) { |
| 29 DCHECK(thread_checker_.CalledOnValidThread()); |
| 30 if (urls.empty()) { |
| 31 request_sender_callback.Run(NULL); |
| 32 return; |
| 33 } |
| 34 |
| 35 request_string_ = request_string; |
| 36 urls_ = urls; |
| 37 request_sender_callback_ = request_sender_callback; |
| 38 |
| 39 cur_url_ = urls_.begin(); |
| 40 |
| 41 SendInternal(); |
| 42 } |
| 43 |
| 44 void RequestSender::SendInternal() { |
| 45 DCHECK(cur_url_ != urls_.end()); |
| 46 DCHECK(cur_url_->is_valid()); |
| 47 DCHECK(thread_checker_.CalledOnValidThread()); |
| 48 |
| 49 url_fetcher_.reset(SendProtocolRequest(*cur_url_, request_string_, this, |
| 50 config_.RequestContext())); |
| 51 } |
| 52 |
| 53 void RequestSender::OnURLFetchComplete(const net::URLFetcher* source) { |
| 54 DCHECK(thread_checker_.CalledOnValidThread()); |
| 55 if (GetFetchError(*source) == 0) { |
| 56 request_sender_callback_.Run(source); |
| 57 return; |
| 58 } |
| 59 |
| 60 if (++cur_url_ != urls_.end() && |
| 61 base::ThreadTaskRunnerHandle::Get()->PostTask( |
| 62 FROM_HERE, |
| 63 base::Bind(&RequestSender::SendInternal, base::Unretained(this)))) { |
| 64 return; |
| 65 } |
| 66 |
| 67 request_sender_callback_.Run(source); |
| 68 } |
| 69 |
| 70 } // namespace update_client |
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