gearman/libgearman/uuid.cc

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 * 
 *  Gearmand client and server library.
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#include "gear_config.h"

#include "libgearman/common.h"

#include "libgearman/uuid.hpp"

#if defined(HAVE_UUID_UUID_H) && HAVE_UUID_UUID_H
#  include <uuid/uuid.h>

int safe_uuid_generate(char* buffer, size_t& length)
{
  uuid_t uuid;
  int ret;
#if defined(HAVE_UUID_GENERATE_TIME_SAFE) && HAVE_UUID_GENERATE_TIME_SAFE
  ret= uuid_generate_time_safe(uuid);
#else
  uuid_generate(uuid);
  ret= -1;
#endif

  uuid_unparse(uuid, buffer);
  length= GEARMAN_MAX_UUID_SIZE;

  buffer[length]= 0;

  return ret;
}

#else

int safe_uuid_generate(char* buffer, size_t& length)
{
  // Buffer has to be null terminated even if we are not storing anything
  buffer[0]= 0;
  length= 0;

  return -1;
}

#endif

gearman_vector_st *gearman_string_create_guid()
{
  gearman_vector_st* _guid= gearman_string_create(NULL, GEARMAN_MAX_UUID_SIZE);
  assert(_guid);
  if (_guid)
  {
    char* ptr= _guid->ptr(GEARMAN_MAX_UUID_SIZE);
    size_t created_length= GEARMAN_MAX_UUID_SIZE;
    safe_uuid_generate(ptr, created_length);
  }

  return _guid;
}