git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/do.c

   1 /* LibMemcached
   2  * Copyright (C) 2006-2010 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary:
   9  *
  10  */
  11
  12 #include "common.h"
  13
  14 memcached_return_t memcached_do(memcached_server_st *ptr, const void *command,
  15                                 size_t command_length, bool with_flush)
  16 {
  17   memcached_return_t rc;
  18   ssize_t sent_length;
  19
  20   WATCHPOINT_ASSERT(command_length);
  21   WATCHPOINT_ASSERT(command);
  22
  23   if ((rc= memcached_connect(ptr)) != MEMCACHED_SUCCESS)
  24   {
  25     WATCHPOINT_ERROR(rc);
  26     return rc;
  27   }
  28
  29   /*
  30   ** Since non buffering ops in UDP mode dont check to make sure they will fit
  31   ** before they start writing, if there is any data in buffer, clear it out,
  32   ** otherwise we might get a partial write.
  33   **/
  34   if (ptr->type == MEMCACHED_CONNECTION_UDP && with_flush && ptr->write_buffer_offset > UDP_DATAGRAM_HEADER_LENGTH)
  35     memcached_io_write(ptr, NULL, 0, true);
  36
  37   sent_length= memcached_io_write(ptr, command, command_length, with_flush);
  38
  39   if (sent_length == -1 || (size_t)sent_length != command_length)
  40     rc= MEMCACHED_WRITE_FAILURE;
  41   else if ((ptr->root->flags.no_reply) == 0)
  42     memcached_server_response_increment(ptr);
  43
  44   return rc;
  45 }