text: /*
   * Copyright 2007-2021 CM4all GmbH
   * All rights reserved.
   *
   * author: Max Kellermann <mk@cm4all.com>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * - Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the
   * distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
   * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #pragma once
  
  #include <stdint.h>
  #include <stddef.h>
  
  struct pool;
  class NfsClient;
  class NfsClientHandler;
  class NfsClientOpenFileHandler;
  class NfsClientReadFileHandler;
  class NfsFileHandle;
  class CancellablePointer;
  class EventLoop;
  
  void
  nfs_client_new(EventLoop &event_loop,
  	       const char *server, const char *root,
  	       NfsClientHandler &handler,
  	       CancellablePointer &cancel_ptr) noexcept;
  
  void
  nfs_client_free(NfsClient *client) noexcept;
  
  void
  nfs_client_open_file(NfsClient &client,
  		     const char *path,
  		     NfsClientOpenFileHandler &handler,
  		     CancellablePointer &cancel_ptr) noexcept;
  
  void
  nfs_client_close_file(NfsFileHandle &handle) noexcept;
  
  void
  nfs_client_read_file(NfsFileHandle &handle,
  		     uint64_t offset, size_t length,
  		     NfsClientReadFileHandler &handler) noexcept;
  