char *memcached_fetch(memcached_st *ptr, char *key, size_t *key_length,
size_t *value_length,
uint32_t *flags,
memcached_return *error)
{
memcached_result_st *result_buffer= &ptr->result;
while (ptr->cursor_server < ptr->number_of_hosts)
{
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
if (memcached_server_response_count(&ptr->hosts[ptr->cursor_server]) == 0)
{
ptr->cursor_server++;
continue;
}
*error= memcached_response(&ptr->hosts[ptr->cursor_server], buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, result_buffer);
if (*error == MEMCACHED_END) /* END means that we move on to the next */
{
memcached_server_response_reset(&ptr->hosts[ptr->cursor_server]);
ptr->cursor_server++;
continue;
}
else if (*error == MEMCACHED_SUCCESS)
{
*value_length= memcached_string_length(&result_buffer->value);
if (key)
{
strncpy(key, result_buffer->key, result_buffer->key_length);
*key_length= result_buffer->key_length;
}
if (result_buffer->flags)
*flags= result_buffer->flags;
else
*flags= 0;
return memcached_string_c_copy(&result_buffer->value);
}
else
{
*value_length= 0;
return NULL;
}
}
ptr->cursor_server= 0;
*value_length= 0;
return NULL;
}
size_t memcached_result_length(const memcached_result_st *self)
{
const memcached_string_st *sptr= &self->value;
return memcached_string_length(sptr);
}
