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// Copyright (c) 2009 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_FLIP_FLIP_SESSION_POOL_H_
#define NET_FLIP_FLIP_SESSION_POOL_H_
#include <map>
#include <list>
#include <string>
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "net/base/host_resolver.h"
namespace net {
class ClientSocket;
class FlipSession;
class HttpNetworkSession;
// This is a very simple pool for open FlipSessions.
// TODO(mbelshe): Make this production ready.
class FlipSessionPool : public base::RefCounted<FlipSessionPool> {
public:
FlipSessionPool();
virtual ~FlipSessionPool();
// Either returns an existing FlipSession or creates a new FlipSession for
// use.
FlipSession* Get(const HostResolver::RequestInfo& info,
HttpNetworkSession* session);
// Builds a FlipSession from an existing socket.
FlipSession* GetFlipSessionFromSocket(
const HostResolver::RequestInfo& info,
HttpNetworkSession* session,
ClientSocket* socket) {
// TODO(willchan): Implement this to allow a HttpNetworkTransaction to
// upgrade a TCP connection from HTTP to FLIP.
return NULL;
}
// TODO(willchan): Consider renaming to HasReusableSession, since perhaps we
// should be creating a new session.
bool HasSession(const HostResolver::RequestInfo& info) const;
// Close all Flip Sessions; used for debugging.
void CloseAllSessions();
private:
friend class FlipSession; // Needed for Remove().
typedef std::list<FlipSession*> FlipSessionList;
typedef std::map<std::string, FlipSessionList*> FlipSessionsMap;
// Return a FlipSession to the pool.
void Remove(FlipSession* session);
// Helper functions for manipulating the lists.
FlipSessionList* AddSessionList(const std::string& domain);
FlipSessionList* GetSessionList(const std::string& domain);
const FlipSessionList* GetSessionList(const std::string& domain) const;
void RemoveSessionList(const std::string& domain);
// This is our weak session pool - one session per domain.
FlipSessionsMap sessions_;
DISALLOW_COPY_AND_ASSIGN(FlipSessionPool);
};
} // namespace net
#endif // NET_FLIP_FLIP_SESSION_POOL_H_
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