/**************************************************************************
Split the attribute block into chunks and send them over pconn.
**************************************************************************/
void send_attribute_block(const struct player *pplayer,
struct connection *pconn)
{
struct packet_player_attribute_chunk packet;
int current_chunk, chunks, bytes_left;
if (!pplayer || !pplayer->attribute_block.data) {
return;
}
fc_assert_ret(pplayer->attribute_block.length > 0
&& pplayer->attribute_block.length < MAX_ATTRIBUTE_BLOCK);
chunks =
(pplayer->attribute_block.length - 1) / ATTRIBUTE_CHUNK_SIZE + 1;
bytes_left = pplayer->attribute_block.length;
connection_do_buffer(pconn);
for (current_chunk = 0; current_chunk < chunks; current_chunk++) {
int size_of_current_chunk = MIN(bytes_left, ATTRIBUTE_CHUNK_SIZE);
packet.offset = ATTRIBUTE_CHUNK_SIZE * current_chunk;
packet.total_length = pplayer->attribute_block.length;
packet.chunk_length = size_of_current_chunk;
memcpy(packet.data,
(char *) (pplayer->attribute_block.data) + packet.offset,
packet.chunk_length);
bytes_left -= packet.chunk_length;
if (packet.chunk_length < ATTRIBUTE_CHUNK_SIZE) {
/* Last chunk is not full. Make sure that delta does
* not use random data. */
memset(packet.data + packet.chunk_length, 0,
ATTRIBUTE_CHUNK_SIZE - packet.chunk_length);
}
send_packet_player_attribute_chunk(pconn, &packet);
}
connection_do_unbuffer(pconn);
}
void conn_list_do_unbuffer(struct conn_list *dest)
{
conn_list_iterate(dest, pconn)
connection_do_unbuffer(pconn);
conn_list_iterate_end;
}