/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 * 
 *  Libmemcached library
 *
 *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
 *  Copyright (C) 2010 Brian Aker All rights reserved.
 *
 *  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.
 *
 *      * The names of its contributors may not be used to endorse or
 *  promote products derived from this software without specific prior
 *  written permission.
 *
 *  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 COPYRIGHT
 *  OWNER 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
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 */
#include <libmemcached/common.h>
memcached_return_t memcached_flush_buffers(memcached_st *shell)
{
  Memcached* memc= memcached2Memcached(shell);
  if (memc)
  {
    memcached_return_t ret= MEMCACHED_SUCCESS;
    for (uint32_t x= 0; x < memcached_server_count(memc); ++x)
    {
      memcached_instance_st* instance= memcached_instance_fetch(memc, x);
      if (instance->write_buffer_offset != 0) 
      {
        if (instance->fd == INVALID_SOCKET and
            (ret= memcached_connect(instance)) != MEMCACHED_SUCCESS)
        {
          WATCHPOINT_ERROR(ret);
          return ret;
        }
        if (memcached_io_write(instance) == false)
        {
          ret= MEMCACHED_SOME_ERRORS;
        }
      }
    }
    return ret;
  }
  return MEMCACHED_INVALID_ARGUMENTS;
}