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IRC/ZMQ Bridge. But I'm required by law to call it a bot.

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README.md

Clubot

It's kind of like an IRC bot, but I hope it'll just be a bridge.

In summary, it's sweet as hell.

Jenkins

http://boot.sh:8080/job/clubot/

There are no "tests" proper yet, but it will build up the latest bundle when it's possible.

Latest x64 Linux binary

http://boot.sh:8080/job/clubot/lastSuccessfulBuild/artifact/bin/clubot.bundle.tgz

Quickstart

## Clone the repo
$ git clone https://github.com/HackingGibsons/clubot.git
$ cd clubot

## Set up the project
## (asdf, submodules, cast the darks spells to invoke the names of the ancients in eternal slumber)
$ make develop

## Run the bot server
$ bin/clubot.sh start -n myclubot -s irc.example.com -p 6667

You should now be able to send the bot commands and subscribe to messages over 0MQ:

;; Join a channel then sit there and wait
;; for a PRIVMSG and echo the raw message back
;; into the channel we joined
(zmq:with-context (ctx 1)
  (zmq:with-socket (s ctx :sub)
    (zmq:with-socket (r ctx :dealer)
      (zmq:connect s "tcp://localhost:14532")
      (zmq:connect r "tcp://localhost:14533")

      ;; Only get PRIVMSG messages
      (zmq:setsockopt s zmq:subscribe ":PRIVMSG")

      ;; Join the echo channel
      (let ((msg `(:type :join :channel "#mychan")))
         (zmq:send! s (json:encode-json-plist-to-string msg))
      ;; Wait pending a message to echo back
      (let ((header (zmq:recv! s :string)) 
            (data (zmq:recv! s :string)))
        (format t "Header: ~A~%" header)
        (format t "Message: ~A~%" data)

        ;; Ask the bot to echo the raw contents of the message to the channel
        (let* ((req `(:type :speak :target "#mychan" :msg ,data))
               (sreq (json:encode-json-plist-to-string req)))

        (zmq:send! r sreq)))))))

Building for deployment and standalone entertainment

The clubot can be built into a standalone bundle that does not require an external lisp interpreter or libraries.

## Clone the repo
$ git clone https://github.com/HackingGibsons/clubot.git
$ cd clubot

## Build a standalone bundle tar
$ make bundle
[ .. lots of compile output ..]
$ ls bin
... clubot.bundle.tgz ...

The generated tarball can be deployed on a matching system by extracting it to a directory and running the binary directly.

## Pick a deployment directory
$ mkdir -p /deploy/to/clubot
## Extract the bundle
$ tar xf path/to/clubot.bundle.tgz -C /deploy/to/clubot
## Execute the bot
$ /deploy/to/clubot start -l -n myclubot -s irc.example.com -p 6667

Operation and Protocol

By default the bot will bind a ZMQ:PUB socket to ipc:///tmp/clubot.name.events.pub.sock and tcp://*:14532 and a ZMQ:ROUTER socket to ipc:///tmp/clubot.name.request.router.sock and tcp://*:14533.

Broadcast messagse are generaly state information from the IRC network like messages of other peers.

Requests are sent from a ZMQ:DEALER socket by a client and take the form of JSON strings. Due to the type of sockets in use a single request may generate 0 to N replies. The documentation below will indicate how to treat any given message.

Request messages

If a request fails and generates an error result it will be sent in the following format:

{"type":"error", "error":"error description"}

Speak

{"type":"speak", "target":"#channel", "msg":"Message text!"}

The target component can be either a channel or an individual, much like the whole IRC thing this thing sits on.

This message generates no reply.

Topic

{"type":"topic", "channel":"#somechan"}

Replies with the TOPIC in of the channel named by channel in the following format. This is the only reply.

{"type":"topic", "channel":"#somechan", "topic":"topic"}

Channels

{"type":"channels"}

Replies with a list of channels the bot is in. If the bot is in no channels it will return null

TODO: Reply with an empty list instead

{"type":"channels", "channels":["#a", "#b"]}

of

{"type":"channels", "channels":null}

Nick

{"type":"nick"}

Replies with the current nick of the bot

{"type":"nick", "nick":"botnick"}

Part

{"type":"part", "channel":"#channel", "reason":"Optional part reason"}

Asks the bot to part the named channel. The reason component is entirely optional.

Join

{"type":"join", "channel":"#channel"}

Asks the bot to join the named channel.

Broadcast messages

Broadcast messages are sent in two parts. The first message contains the subscription component and the second contains the actual message data. This makes separating the two uses of message easier than manually splitting a single message. ZeroMQ lets us use just the first message for subscriptions and promise the delivery of the second message if the first matches. It's pretty neat.

Multipart messages are represented as different lines.

:BOOT

:BOOT
{"type":"boot","time":123123312,"nick":"botname"}

Emitted when the bot reboots to notify any downstream peers.

:PART

:PART "who_nick" "#somechannel"
{"type":"part", "channel":"#somechannel", "who":"who_nick", "reason":"reason", "time":12093123}

Emitted when the bot parts a channel. The time is universal time. The reason is always a string, sometimes empty. If the bot itself is doing the parting the who_nick in the subscription portion of the message will be :SELF

:JOIN

:JOIN "somenick" "#somechannel"
{"type":"join", "who":"somenick", "channel":"#somechannel", "time":12093123}

Emitted when the bot joins a channel. The time is universal time. If the bot itself is doing the joining the who nick in the subscription prefix will appear as :SELF

:INVITE

:INVITE "#channel" "inviter_nick"
{"type":"invite", "who":"botnick", "where":"#channel", "by": "inviter_nick"}

Emitted when the bot is invited into a channel.

:PRIVMSG

:PRIVMSG :CHATTER "#somechan" "Origin_nick"
{"type":"privmsg",:"time":1230918203810923,"target":"target","self":"clubot","from":"Origin_nick","msg":"Message text"}

Emitted when the bot hears anything.

The keyword :CHATTER will become :MENTION if the message begins with the bot's nick. The message order is so for easy message filtering with zmq:subscribe by consumers. time is expressed as universal time.

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