#include <libmemcached/common.h>
-memcached_return_t memcached_do(memcached_server_write_instance_st ptr, const void *command,
- size_t command_length, bool with_flush)
+memcached_return_t memcached_vdo(memcached_server_write_instance_st instance,
+ libmemcached_io_vector_st *vector,
+ const size_t count,
+ const bool with_flush)
{
memcached_return_t rc;
- ssize_t sent_length;
- WATCHPOINT_ASSERT(command_length);
- WATCHPOINT_ASSERT(command);
+ WATCHPOINT_ASSERT(count);
+ WATCHPOINT_ASSERT(vector);
- if (memcached_failed(rc= memcached_connect(ptr)))
+ if (memcached_failed(rc= memcached_connect(instance)))
{
- WATCHPOINT_ASSERT(rc == memcached_last_error(ptr->root));
WATCHPOINT_ERROR(rc);
+ assert_msg(instance->error_messages, "memcached_connect() returned an error but the memcached_server_write_instance_st showed none.");
return rc;
}
** 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)
+ if (memcached_is_udp(instance->root))
{
- memcached_io_write(ptr, NULL, 0, true);
- }
+ if (vector->buffer or vector->length)
+ {
+ return memcached_set_error(*instance->root, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT,
+ memcached_literal_param("UDP messages was attempted, but vector was not setup for it"));
+ }
- sent_length= memcached_io_write(ptr, command, command_length, with_flush);
+ size_t write_length= io_vector_total_size(vector, 11) +UDP_DATAGRAM_HEADER_LENGTH;
- if (sent_length == -1 || (size_t)sent_length != command_length)
- {
- rc= MEMCACHED_WRITE_FAILURE;
- }
- else if ((ptr->root->flags.no_reply) == 0)
- {
- memcached_server_response_increment(ptr);
- }
+ if (write_length > MAX_UDP_DATAGRAM_LENGTH - UDP_DATAGRAM_HEADER_LENGTH)
+ {
+ return MEMCACHED_WRITE_FAILURE;
+ }
- return rc;
-}
-
-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;
-
- 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);
+ return MEMCACHED_NOT_SUPPORTED;
}
- sent_length= memcached_io_writev(ptr, vector, count, with_flush);
-
+ ssize_t sent_length= memcached_io_writev(instance, vector, count, with_flush);
size_t command_length= 0;
for (uint32_t x= 0; x < count; ++x, vector++)
{
command_length+= vector->length;
}
- if (sent_length == -1 || (size_t)sent_length != command_length)
+ if (sent_length == -1 or size_t(sent_length) != command_length)
{
rc= MEMCACHED_WRITE_FAILURE;
WATCHPOINT_ERROR(rc);
WATCHPOINT_ERRNO(errno);
}
- else if ((ptr->root->flags.no_reply) == 0)
+ else if (memcached_is_replying(instance->root))
{
- memcached_server_response_increment(ptr);
+ memcached_server_response_increment(instance);
}
return rc;