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
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_NET_CONNECT_INTERCEPTOR_H_
6#define CHROME_BROWSER_NET_CONNECT_INTERCEPTOR_H_
7#pragma once
8
9#include "net/url_request/url_request.h"
10
11namespace chrome_browser_net {
12
13//------------------------------------------------------------------------------
14// An interceptor to monitor URLRequests so that we can do speculative DNS
15// resolution and/or speculative TCP preconnections.
16class ConnectInterceptor : public net::URLRequest::Interceptor {
17 public:
18  // Construction includes registration as an URL.
19  ConnectInterceptor();
20  // Destruction includes unregistering.
21  virtual ~ConnectInterceptor();
22
23 protected:
24  // Overridden from net::URLRequest::Interceptor:
25  // Learn about referrers, and optionally preconnect based on history.
26  virtual net::URLRequestJob* MaybeIntercept(net::URLRequest* request);
27  virtual net::URLRequestJob* MaybeInterceptResponse(net::URLRequest* request);
28  virtual net::URLRequestJob* MaybeInterceptRedirect(net::URLRequest* request,
29                                                     const GURL& location);
30
31 private:
32  DISALLOW_COPY_AND_ASSIGN(ConnectInterceptor);
33};
34
35}  // namespace chrome_browser_net
36
37#endif  // CHROME_BROWSER_NET_CONNECT_INTERCEPTOR_H_
38