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annotate the ut_pex message to (1) take partial seeds into account, and (2) tell not to send periodic pex messages when there are no added or dropped peers.

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This commit is contained in:
Charles Kerr 2008-11-30 01:15:43 +00:00
parent a2ad4f6543
commit bffb4e6d4c
1 changed files with 9 additions and 2 deletions
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11
doc/extended-messaging.txt
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@ -28,7 +28,14 @@ their extended id.
uTorrent peer exchange messages use the key "ut_pex" in the m
dictionary. If the uTorrent peer has pex disabled, this key
will not be present. Exchanges messages should be sent approximately
once every minute. The payload of a peer exchange message is a
once every minute when peers have been added or dropped.
If peers have not been added or dropped, uTorrent does not send
the periodic PEX message. If uTorrent 1.8.1 recieves an "empty"
pex message from Transmission 1.40, it appears to interpret this
as an invalid message and disconnect from Transmission.
The payload of a peer exchange message is a
bencoded dictionary with the following keys:
added
@ -40,7 +47,7 @@ bencoded dictionary with the following keys:
string, one byte of flags for each peer in the above added string.
according to libtorrent's ut_pex.c:
0x01 - peer supports encryption
0x02 - peer is a seed
0x02 - peer is a seed or a partial seed
dropped
same format as added, contains peers dropped since last peer exchange