/* * 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_DISKIO_AIO_AIODISKFILE_H #define SQUID_SRC_DISKIO_AIO_AIODISKFILE_H #if HAVE_DISKIO_MODULE_AIO #include "cbdata.h" #include "DiskIO/AIO/async_io.h" #include "DiskIO/DiskFile.h" #include "SquidString.h" class AIODiskIOStrategy; class AIODiskFile : public DiskFile { CBDATA_CLASS(AIODiskFile); public: friend class AIODiskIOStrategy; AIODiskFile (char const *path, AIODiskIOStrategy *); ~AIODiskFile() override; // XXX: the code has this as "IORequestor::Pointer callback" void open(int flags, mode_t mode, RefCount callback) override; void create (int, mode_t, RefCount) override; void read(ReadRequest *) override; void write(WriteRequest *) override; void close () override; bool canRead() const override; bool canWrite() const override; /* During migration only */ int getFD() const override; bool error() const override; /* Inform callers if there is IO in progress */ bool ioInProgress() const override; private: void error(bool const &); int fd; String path; AIODiskIOStrategy *strategy; RefCount ioRequestor; bool closed; bool error_; }; #endif /* HAVE_DISKIO_MODULE_AIO */ #endif /* SQUID_SRC_DISKIO_AIO_AIODISKFILE_H */