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44 lines
1.7 KiB
Text
44 lines
1.7 KiB
Text
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away-notify client capability specification
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----------------------------------------------
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Copyright (c) 2012 Keith Buck <mr_flea@esper.net>.
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Unlimited redistribution and modification of this document is allowed
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provided that the above copyright notice and this permission notice
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remains in tact.
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The away-notify client capability allows a client to specify that it
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would like to be notified when users are marked/unmarked as away. This
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capability is referred to as 'away-notify' at capability negotiation
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time.
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This capability is designed to replace polling of WHO as a more
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efficient method of tracking the away state of users in a channel. The
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away-notify capability both conserves bandwidth as WHO requests are
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not continually sent and allows the client to be notified immediately
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upon a user setting or removing their away state (as opposed to when
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WHO is next polled).
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When this capability is enabled, clients will be sent an AWAY message
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when a user sharing a channel with them sets or removes their away
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state, as well as when a user joins and has an away message set.
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(Note that AWAY will not be sent for joining users with no away
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message set.)
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The format of the AWAY message is as follows:
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:nick!user@host AWAY [:message]
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If the message is present, the user (specified by the nick!user@host
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mask) is going away. If the message is not present, the user is
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removing their away message/state.
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To fully track the away state of users, clients should:
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1) Enable the away-notify capability at negotiation time.
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2) Execute WHO when joining a channel to capture the current away
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state of all users in that channel.
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3) Update state appropriately upon receiving an AWAY message.
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