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Playback

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The advanced playback module makes it possible for IRC clients to avoid undesired repetitive buffer playback. IRC clients may request the module to send a partial buffer playback starting from and ending to a certain point of time.

The source code is available on GitHub. See also instructions for compiling modules.

Arguments

This user module takes no arguments.

Read loading modules to learn more about loading modules.

Persistent Buffers[edit]

The module has been designed to be used together with persistent buffers. Either uncheck Auto Clear Chan Buffer and Auto Clear Query Buffer (Your Settings -> Flags) via webadmin or disable AutoClearChanBuffer and AutoClearQueryBuffer via controlpanel.

Message tags[edit]

The module implementation is based on the IRC v3.2 message tags [1] and server time [2] extensions. The module injects a server time tag (in millisecond precision) to each message sent from ZNC to an IRC client that has requested the znc.in/playback capability.

Usage[edit]

In order for an IRC client to support advanced playback, it should request the znc.in/playback capability and keep track of the latest server time of received messages. The syntax for a buffer playback request is:

   /znc *playback PLAY <buffer(s)> [from] [to]

Where the first argument is a comma-separated list of channels (supports wildcards), and optional last two arguments are number of seconds (floating point for millisecond precision) elapsed since January 1, 1970.

When a client connects to ZNC, it may request the module to play all buffers, starting from *0* (first connect) or the timestamp of the latest received message (consecutive reconnects).

   /znc *playback PLAY * 0

It is also possible to selectively clear playback buffers using the following command syntax:

   /znc *playback CLEAR <buffer(s)>

If a client wants to list available buffers, it can use the following command syntax:

   /znc *playback LIST [buffer(s)]

The module outputs a list of available/matching buffers, one per line, each followed by the first and last timestamp for the respective buffer.

See also query buffers.

'Note: using PRIVMSG instead of ZNC can result to other connected clients having queries with *playback with content of the commands called.'

Limits[edit]

The module also allows configuring client specific buffer limits for identified clients, using the following command syntax:

   /msg *playback LIMIT <client> [limit]

A limit of less or equal to 0 clears the limit. Notice that the limit cannot exceed the limit set in the ZNC configuration, but can be used to limit the playback for eg. mobile clients.

Client identifiers[edit]

ZNC supports passing a client identifier in the password:

   username@identifier/network:password

or in the username:

   username@identifier/network

Supported clients[edit]

Scripts[edit]

Open tickets[edit]