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// Copyright (c) 2011 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.
#ifndef NET_HTTP_HTTP_NETWORK_LAYER_H_
#define NET_HTTP_HTTP_NETWORK_LAYER_H_
#pragma once
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "net/base/net_export.h"
#include "net/http/http_transaction_factory.h"
namespace net {
class CertVerifier;
class ClientSocketFactory;
class DnsCertProvenanceChecker;
class DnsRRResolver;
class HostResolver;
class HttpAuthHandlerFactory;
class HttpNetworkSession;
class NetLog;
class NetworkDelegate;
class ProxyService;
class SpdySessionPool;
class SSLConfigService;
class SSLHostInfoFactory;
class NET_EXPORT HttpNetworkLayer : public HttpTransactionFactory,
public base::NonThreadSafe {
public:
// Construct a HttpNetworkLayer with an existing HttpNetworkSession which
// contains a valid ProxyService.
explicit HttpNetworkLayer(HttpNetworkSession* session);
virtual ~HttpNetworkLayer();
// Create a transaction factory that instantiate a network layer over an
// existing network session. Network session contains some valuable
// information (e.g. authentication data) that we want to share across
// multiple network layers. This method exposes the implementation details
// of a network layer, use this method with an existing network layer only
// when network session is shared.
static HttpTransactionFactory* CreateFactory(HttpNetworkSession* session);
// Enable the spdy protocol.
// Without calling this function, SPDY is disabled. The mode can be:
// "" : (default) SSL and compression are enabled, flow
// control disabled.
// "no-ssl" : disables SSL.
// "no-compress" : disables compression.
// "flow-control": enables flow control.
// "none" : disables both SSL and compression.
static void EnableSpdy(const std::string& mode);
// HttpTransactionFactory methods:
virtual int CreateTransaction(scoped_ptr<HttpTransaction>* trans);
virtual HttpCache* GetCache();
virtual HttpNetworkSession* GetSession();
virtual void Suspend(bool suspend);
private:
const scoped_refptr<HttpNetworkSession> session_;
bool suspended_;
};
} // namespace net
#endif // NET_HTTP_HTTP_NETWORK_LAYER_H_
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