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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Copyright (c) 2011, 2012 Code Aurora Forum. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/net/preconnect.h"
#include "base/logging.h"
#include "base/metrics/histogram.h"
#include "chrome/browser/profiles/profile.h"
#include "content/browser/browser_thread.h"
#include "net/base/net_log.h"
#include "net/base/ssl_config_service.h"
#include "net/http/http_network_session.h"
#include "net/http/http_request_info.h"
#include "net/http/http_stream_factory.h"
#include "net/http/http_transaction_factory.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_getter.h"
namespace chrome_browser_net {
void PreconnectOnUIThread(
const GURL& url,
UrlInfo::ResolutionMotivation motivation,
int count) {
// Prewarm connection to Search URL.
BrowserThread::PostTask(
BrowserThread::IO,
FROM_HERE,
NewRunnableFunction(PreconnectOnIOThread, url, motivation,
count));
return;
}
void PreconnectOnIOThread(
const GURL& url,
UrlInfo::ResolutionMotivation motivation,
int count) {
URLRequestContextGetter* getter = Profile::GetDefaultRequestContext();
if (!getter)
return;
if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
LOG(DFATAL) << "This must be run only on the IO thread.";
return;
}
// We are now commited to doing the async preconnection call.
UMA_HISTOGRAM_ENUMERATION("Net.PreconnectMotivation", motivation,
UrlInfo::MAX_MOTIVATED);
net::URLRequestContext* context = getter->GetURLRequestContext();
net::HttpTransactionFactory* factory = context->http_transaction_factory();
net::HttpNetworkSession* session = factory->GetSession();
// Translate the motivation from UrlRequest motivations to HttpRequest
// motivations.
net::HttpRequestInfo::RequestMotivation motivation_;
switch (motivation) {
case UrlInfo::OMNIBOX_MOTIVATED:
request_info.motivation = net::HttpRequestInfo::OMNIBOX_MOTIVATED;
break;
case UrlInfo::LEARNED_REFERAL_MOTIVATED:
request_info.motivation = net::HttpRequestInfo::PRECONNECT_MOTIVATED;
break;
case UrlInfo::SELF_REFERAL_MOTIVATED:
case UrlInfo::EARLY_LOAD_MOTIVATED:
request_info.motivation = net::HttpRequestInfo::EARLY_LOAD_MOTIVATED;
break;
default:
// Other motivations should never happen here.
NOTREACHED();
break;
}
net::Preconnect::DoPreconnect(session, url, count, motivation_);
}
} // namespace chrome_browser_net
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