forward.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_STORE_FORWARD_H
#define SQUID_SRC_STORE_FORWARD_H
 
// bug 4610 see comments 22-38
// Nasty hack, but it turns out C++ allows int32_t to be
// unsigned when used as a bitmask (as sfile* are later)
#if INT_MAX == INT32_MAX
typedef signed int signed_int32_t;
#elif SHORT_MAX == INT32_MAX
typedef signed short int signed_int32_t;
#else
#error I do not know how to typedef a signed 32bit integer.
#endif
typedef signed_int32_t sfileno;
typedef signed int sdirno;
 
enum { SwapFilenMax = 0xFFFFFF }; // keep in sync with StoreEntry::swap_filen
 
typedef unsigned char cache_key;
 
class StoreSearch;
class StoreClient;
class StoreEntry;
class MemStore;
class Transients;
 
namespace Store
{
enum IoStatus { ioUndecided, ioWriting, ioReading, ioDone };
 
class Storage;
class Controller;
class Controlled;
class Disks;
class Disk;
class DiskConfig;
class EntryGuard;
class ParsingBuffer;
 
typedef ::StoreEntry Entry;
typedef ::MemStore Memory;
typedef ::Transients Transients;
} // namespace Store
 
// TODO: Remove these once all code has been transitioned to Store namespace.
typedef Store::Controller StoreController;
typedef Store::Disks StoreHashIndex;
typedef Store::Disk SwapDir;
template <class C> class RefCount;
typedef RefCount<Store::Disk> SwapDirPointer;
 
#endif /* SQUID_SRC_STORE_FORWARD_H */