memcached_return_t memcached_vdo(memcached_server_write_instance_st ptr,
const struct libmemcached_io_vector_st *vector, size_t count,
bool with_flush)
{
memcached_return_t rc;
ssize_t sent_length;
size_t command_length= 0;
uint32_t x;
WATCHPOINT_ASSERT(count);
WATCHPOINT_ASSERT(vector);
if ((rc= memcached_connect(ptr)) != MEMCACHED_SUCCESS)
{
WATCHPOINT_ERROR(rc);
return rc;
}
/*
** Since non buffering ops in UDP mode dont check to make sure they will fit
** before they start writing, if there is any data in buffer, clear it out,
** otherwise we might get a partial write.
**/
if (ptr->type == MEMCACHED_CONNECTION_UDP && with_flush && ptr->write_buffer_offset > UDP_DATAGRAM_HEADER_LENGTH)
{
memcached_io_write(ptr, NULL, 0, true);
}
sent_length= memcached_io_writev(ptr, vector, count, with_flush);
for (x= 0; x < count; ++x, vector++)
{
command_length+= vector->length;
}
if (sent_length == -1 || (size_t)sent_length != command_length)
{
rc= MEMCACHED_WRITE_FAILURE;
WATCHPOINT_ERROR(rc);
WATCHPOINT_ERRNO(errno);
}
else if ((ptr->root->flags.no_reply) == 0)
{
memcached_server_response_increment(ptr);
}
return rc;
}
memcached_return memcached_vdo(memcached_server_st *ptr,
const struct libmemcached_io_vector_st *vector, size_t count,
uint8_t with_flush)
{
memcached_return rc;
ssize_t sent_length;
size_t command_length;
uint32_t x;
WATCHPOINT_ASSERT(count);
WATCHPOINT_ASSERT(vector);
if ((rc= memcached_connect(ptr)) != MEMCACHED_SUCCESS)
{
WATCHPOINT_ERROR(rc);
return rc;
}
if (ptr->type == MEMCACHED_CONNECTION_UDP && with_flush && ptr->write_buffer_offset > UDP_DATAGRAM_HEADER_LENGTH)
{
memcached_io_write(ptr, NULL, 0, true);
}
sent_length= memcached_io_writev(ptr, vector, count, (char) with_flush);
command_length = 0;
for (x= 0; x < count; ++x, vector++)
command_length+= vector->length;
if (sent_length == -1 || (size_t)sent_length != command_length) {
rc = MEMCACHED_WRITE_FAILURE;
WATCHPOINT_ERROR(rc);
} else if ((ptr->root->flags & MEM_NOREPLY) == 0)
memcached_server_response_increment(ptr);
return rc;
}
