Difference between revisions of "Core Protocol"
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2 4 total length of all segments | 2 4 total length of all segments | ||
6 ? payload (expect 480) | 6 ? payload (expect 480) | ||
| − | keep appending payloads until total length is reached then process contents as a non-core packet | + | keep appending payloads until total length is reached then process contents as |
| + | a non-core packet. | ||
0x0B cancel stream request | 0x0B cancel stream request | ||
Revision as of 09:14, 13 January 2005
This protocol is UDP and bi-directional. It can be thought of as another layer within an application's network layer.
There is support for reliable ordered packets, large packets and cluster packets.
- The maximum packet size is 520 bytes.
- All integers are little endian.
- All core packets begin with the type byte 0x00
core 0x01 login offset size comment 0 1 type 0x00 1 1 type 0x01 2 4 client key 6 2 protocol version (vie = 0x01, ctm = 0x11) 0x02 login response offset size comment 0 1 type 0x00 1 1 type 0x02 2 4 ~client key (negative) 0x03 reliable header offset size comment 0 1 type 0x00 1 1 type 0x03 2 4 packet id 6 ? payload (514 max) 0x04 reliable acknowledge offset size comment 0 1 type 0x00 1 1 type 0x04 2 4 packet id 0x05 sync offset size comment 0 1 type 0x00 1 1 type 0x05 2 4 local time 6 4 packets sent 10 4 packets received 0x06 sync response offset size comment 0 1 type 0x00 1 1 type 0x06 2 4 time from last received 0x05 packet 6 4 server time 0x07 disconnect offset size comment 0 1 type 0x00 1 1 type 0x07 0x08 small chunk offset size comment 0 1 type 0x00 1 1 type 0x08 2 ? payload (expect 480) keep appending payloads until 0x09 chunk tail is received 0x09 chunk tail offset size comment 0 1 type 0x00 1 1 type 0x09 2 ? payload (expect <= 480) append this payload then process contents as a non-core packet 0x0A stream offset size comment 0 1 type 0x00 1 1 type 0x0A 2 4 total length of all segments 6 ? payload (expect 480) keep appending payloads until total length is reached then process contents as a non-core packet. 0x0B cancel stream request offset size comment 0 1 type 0x00 1 1 type 0x0B 0x0C cancel stream acknowledge offset size comment 0 1 type 0x00 1 1 type 0x0C 0x0E cluster offset size comment 0 1 type 0x00 1 1 type 0x0E 2 1 length 3 ? payload with length as above packet repeats from offset 2 until end
