text: /*
   * Copyright (c) 2021, University of Washington
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   *
   * 2. 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.
   *
   * 3. Neither the name of the University of Washington nor the names of its
   *    contributors may be used to endorse or promote products derived from this
   *    software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF WASHINGTON 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 UNIVERSITY OF WASHINGTON 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.
   */
  
  #ifndef __s3_lib__
  #define __s3_lib__
  
  /******************************************************************************
   * INCLUDES
   ******************************************************************************/
  
  #include "OsApi.h"
  #include "Dictionary.h"
  #include "Asset.h"
  #include "CredentialStore.h"
  
  #include <aws/s3/S3Client.h>
  
  /******************************************************************************
   * AWS S3 LIBRARY CLASS
   ******************************************************************************/
  
  class S3Lib
  {
      public:
  
          /*--------------------------------------------------------------------
           * Constants
           *--------------------------------------------------------------------*/
  
          static const int STARTING_NUM_CLIENTS = 32;
  
          /*--------------------------------------------------------------------
           * Typedefs
           *--------------------------------------------------------------------*/
  
          typedef struct {
              Aws::S3::S3Client*          s3_client;
              CredentialStore::Credential credential;
              const char*                 asset_name;
              int32_t                     reference_count;
              bool                        decommissioned;
          } client_t;
  
          /*--------------------------------------------------------------------
           * Methods
           *--------------------------------------------------------------------*/
  
          static void         init            (void);
          static void         deinit          (void);
          static client_t*    createClient    (const Asset* asset);
          static void         destroyClient   (client_t* client);
  
      public:
  
          /*--------------------------------------------------------------------
           * Data
           *--------------------------------------------------------------------*/
  
          static Mutex clientsMut;
          static Dictionary<client_t*> clients;
  };
  
  #endif  /* __s3_lib__ */
  