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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/update_client/request_sender.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "components/update_client/configurator.h"
#include "components/update_client/utils.h"
#include "net/url_request/url_fetcher.h"
namespace update_client {
RequestSender::RequestSender(const Configurator& config) : config_(config) {
}
RequestSender::~RequestSender() {
DCHECK(thread_checker_.CalledOnValidThread());
}
void RequestSender::Send(const std::string& request_string,
const std::vector<GURL>& urls,
const RequestSenderCallback& request_sender_callback) {
DCHECK(thread_checker_.CalledOnValidThread());
if (urls.empty()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(request_sender_callback, nullptr));
return;
}
request_string_ = request_string;
urls_ = urls;
request_sender_callback_ = request_sender_callback;
cur_url_ = urls_.begin();
SendInternal();
}
void RequestSender::SendInternal() {
DCHECK(cur_url_ != urls_.end());
DCHECK(cur_url_->is_valid());
DCHECK(thread_checker_.CalledOnValidThread());
url_fetcher_ = SendProtocolRequest(*cur_url_, request_string_, this,
config_.RequestContext());
}
void RequestSender::OnURLFetchComplete(const net::URLFetcher* source) {
DCHECK(thread_checker_.CalledOnValidThread());
if (GetFetchError(*source) == 0) {
request_sender_callback_.Run(source);
return;
}
if (++cur_url_ != urls_.end() &&
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::Bind(&RequestSender::SendInternal, base::Unretained(this)))) {
return;
}
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(request_sender_callback_, source));
}
} // namespace update_client
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