Alek Ratzloff
e2e7ae22b8
Modules can easily be defined with `use Omnibot.Module`. Omnibot.Contrib.Fortune has been updated to use this. Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
104 lines
2.6 KiB
Elixir
104 lines
2.6 KiB
Elixir
# REWRITE
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defmodule Omnibot.Irc do
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require Logger
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alias Omnibot.Irc.Msg
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alias Omnibot.{Config, State}
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use GenServer
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## Client API
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def start_link(opts \\ []) do
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GenServer.start_link(__MODULE__, :ok, opts)
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end
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def send_msg(irc, msg) do
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GenServer.cast(irc, {:send_msg, msg})
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end
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def send_msg(irc, command, params) when is_list(params) do
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cfg = State.cfg()
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GenServer.cast(irc, {:send_msg, Config.msg(cfg, command, params)})
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end
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def send_msg(irc, command, param), do: send_msg(irc, command, [param])
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def send_to(channel, text), do: send_to(__MODULE__, channel, text)
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def send_to(irc, channel, text), do: send_msg(irc, "PRIVMSG", [channel, text])
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def join(channel), do: join(__MODULE__, channel)
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def join(irc, channel), do: send_msg(irc, "JOIN", channel)
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def part(channel), do: part(__MODULE__, channel)
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def part(irc, channel), do: send_msg(irc, "PART", channel)
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def sync_channels(), do: sync_channels(__MODULE__)
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def sync_channels(irc), do: GenServer.cast(irc, :sync_channels)
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## Server callbacks
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@impl true
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def init(:ok) do
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cfg = State.cfg()
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_ssl = cfg.ssl
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{:ok, socket} =
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:gen_tcp.connect(to_charlist(cfg.server), cfg.port, [:binary, active: false, packet: :line])
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# Wait for first message
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#{:ok, _} = :gen_tcp.recv(socket, 0)
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send_msg(self(), "NICK", cfg.nick)
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send_msg(self(), "USER", [cfg.user, "0", "*", cfg.real])
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:inet.setopts(socket, [active: true])
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{:ok, socket}
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end
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defp write(socket, msg) do
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msg = String.Chars.to_string(msg)
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Logger.debug(">>> #{msg}")
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:gen_tcp.send(socket, "#{msg}\r\n")
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end
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@impl true
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def handle_cast({:send_msg, msg}, socket) do
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write(socket, msg)
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{:noreply, socket}
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end
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@impl true
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def handle_cast({:tcp, line}, socket) do
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Logger.debug(line)
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{:noreply, socket}
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end
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@impl true
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def handle_cast(:sync_channels, socket) do
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cfg = State.cfg()
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desired = MapSet.new(Config.all_channels(cfg))
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present = MapSet.new(State.channels())
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to_join = MapSet.difference(desired, present)
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|> MapSet.to_list()
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to_part = MapSet.difference(present, desired)
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|> MapSet.to_list()
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Enum.each(to_join, fn channel -> join(self(), channel) end)
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Enum.each(to_part, fn channel -> part(self(), channel) end)
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{:noreply, socket}
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end
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@impl true
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def handle_info({:tcp, _socket, line}, socket) do
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Logger.debug(String.trim(line))
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msg = Msg.parse(line)
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# Send the message to the router
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irc = self()
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{:ok, _task} = Task.Supervisor.start_child(
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Omnibot.RouterSupervisor,
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fn -> Omnibot.Router.route(irc, msg) end
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)
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{:noreply, socket}
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end
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end
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