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

   1 #include "common.h"
   2
   3 memcached_return memcached_do(memcached_server_st *ptr, const void *command,
   4                               size_t command_length, uint8_t with_flush)
   5 {
   6   memcached_return rc;
   7   ssize_t sent_length;
   8
   9   WATCHPOINT_ASSERT(command_length);
  10   WATCHPOINT_ASSERT(command);
  11
  12   if ((rc= memcached_connect(ptr)) != MEMCACHED_SUCCESS)
  13   {
  14     WATCHPOINT_ERROR(rc);
  15     return rc;
  16   }
  17
  18   /*
  19   ** Since non buffering ops in UDP mode dont check to make sure they will fit
  20   ** before they start writing, if there is any data in buffer, clear it out,
  21   ** otherwise we might get a partial write.
  22   **/
  23   if (ptr->type == MEMCACHED_CONNECTION_UDP && with_flush && ptr->write_buffer_offset > UDP_DATAGRAM_HEADER_LENGTH)
  24     memcached_io_write(ptr, NULL, 0, 1);
  25
  26   sent_length= memcached_io_write(ptr, command, command_length, with_flush);
  27
  28   if (sent_length == -1 || (size_t)sent_length != command_length)
  29     rc= MEMCACHED_WRITE_FAILURE;
  30   else if ((ptr->root->flags & MEM_NOREPLY) == 0)
  31     memcached_server_response_increment(ptr);
  32
  33   return rc;
  34 }