context_storage.h

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/*
 * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */
 
#ifndef SQUID_SRC_SSL_CONTEXT_STORAGE_H
#define SQUID_SRC_SSL_CONTEXT_STORAGE_H
 
#if USE_OPENSSL
 
#include "base/ClpMap.h"
#include "CacheManager.h"
#include "compat/openssl.h"
#include "ip/Address.h"
#include "mgr/Action.h"
#include "mgr/Command.h"
#include "security/Context.h"
#include "ssl/gadgets.h"
 
#include <list>
#include <map>
#if HAVE_OPENSSL_SSL_H
#include <openssl/ssl.h>
#endif
 
namespace  Ssl
{
 
class CertificateStorageAction : public Mgr::Action
{
public:
    CertificateStorageAction(const Mgr::Command::Pointer &cmd);
    static Pointer Create(const Mgr::Command::Pointer &cmd);
    void dump (StoreEntry *sentry) override;
    bool aggregatable() const override { return false; }
};
 
inline uint64_t MemoryUsedByContext(const Security::ContextPointer &) {
    return 1024; // TODO: Calculate approximate memory usage by the context.
}
using LocalContextStorage = ClpMap<SBuf, Security::ContextPointer, MemoryUsedByContext>;
 
class GlobalContextStorage
{
    friend class CertificateStorageAction;
public:
    GlobalContextStorage();
    ~GlobalContextStorage();
    void addLocalStorage(Ip::Address const & address, size_t size_of_store);
    LocalContextStorage *getLocalStorage(Ip::Address const & address);
    void reconfigureStart();
private:
    void reconfigureFinish();
    bool reconfiguring; 
    std::map<Ip::Address, size_t> configureStorage;
    std::map<Ip::Address, LocalContextStorage *> storage;
};
 
extern GlobalContextStorage TheGlobalContextStorage;
} //namespace Ssl
#endif // USE_OPENSSL
 
#endif /* SQUID_SRC_SSL_CONTEXT_STORAGE_H */