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// Copyright (c) 2006-2010 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.
// A Preconnect instance maintains state while a TCP/IP connection is made, and
// and then released into the pool of available connections for future use.
#ifndef CHROME_BROWSER_NET_PRECONNECT_H_
#define CHROME_BROWSER_NET_PRECONNECT_H_
#include "base/ref_counted.h"
#include "net/base/completion_callback.h"
#include "net/base/host_port_pair.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/tcp_client_socket_pool.h"
#include "net/url_request/url_request_context.h"
namespace chrome_browser_net {
class Preconnect : public net::CompletionCallback {
public:
static bool PreconnectOnUIThread(const GURL& url);
static void PreconnectOnIOThread(const GURL& url);
static void SetPreconnectDespiteProxy(bool status) {
preconnect_despite_proxy_ = status;
}
private:
Preconnect() {}
// Supply an instance that could have been used in an IO callback, but will
// never actually be used (because we reset the connection so quickly).
static Preconnect* callback_instance_;
// IO Callback which whould be performed when the connection is established.
virtual void RunWithParams(const Tuple1<int>& params);
// Preconnections are currently conservative, and do nothing if there is a
// chance that a proxy may be used. This boolean allows proxy settings to
// be ignored (presumably because a user knows that the proxy won't be doing
// much work anway).
static bool preconnect_despite_proxy_;
DISALLOW_COPY_AND_ASSIGN(Preconnect);
};
} // chrome_browser_net
#endif // CHROME_BROWSER_NET_PRECONNECT_H_
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