git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/flush_buffers.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  Copyright (C) 2010 Brian Aker All rights reserved.
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
  10  *  met:
  11  *
  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
  14  *
  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
  23  *
  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  */
  37
  38 #include <libmemcached/common.h>
  39
  40 memcached_return_t memcached_flush_buffers(memcached_st *shell)
  41 {
  42   Memcached* memc= memcached2Memcached(shell);
  43   if (memc)
  44   {
  45     memcached_return_t ret= MEMCACHED_SUCCESS;
  46
  47     for (uint32_t x= 0; x < memcached_server_count(memc); ++x)
  48     {
  49       org::libmemcached::Instance* instance= memcached_instance_fetch(memc, x);
  50
  51       if (instance->write_buffer_offset != 0)
  52       {
  53         if (instance->fd == INVALID_SOCKET and
  54             (ret= memcached_connect(instance)) != MEMCACHED_SUCCESS)
  55         {
  56           WATCHPOINT_ERROR(ret);
  57           return ret;
  58         }
  59
  60         if (memcached_io_write(instance) == false)
  61         {
  62           ret= MEMCACHED_SOME_ERRORS;
  63         }
  64       }
  65     }
  66
  67     return ret;
  68   }
  69
  70   return MEMCACHED_INVALID_ARGUMENTS;
  71 }