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riptide
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A data first framework for building realtime applications
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lib/riptide/connection/server.ex
defmodule Riptide.Websocket.Server do
@moduledoc false
@behaviour :cowboy_websocket
def start_link(opts) do
opts =
[port: 12_000]
|> Keyword.merge(opts)
|> Enum.into(%{})
:cowboy.start_clear(:http, [{:port, opts.port}], %{
env: %{
dispatch:
:cowboy_router.compile([
{
:_,
[
{"/socket", __MODULE__, opts},
{"/", Riptide.Websocket.OK, []}
]
}
])
}
})
end
def init(req, state) do
{
:cowboy_websocket,
req,
Riptide.Processor.init(state),
%{
compress: true,
idle_timeout: :timer.hours(24)
}
}
end
def websocket_handle({:text, msg}, state) do
case Riptide.Processor.process_data(msg, state) do
{:reply, val, next} -> {:reply, {:text, val}, next}
{:noreply, state} -> {:ok, state}
end
end
def websocket_handle(:ping, state) do
{:reply, :pong, state}
end
def handle_info({:riptide_call, action, body, from}, state) do
{:reply, data, next} = Riptide.Processor.send_call(action, body, from, state)
{:reply, {:text, data}, next}
end
def handle_info({:riptide_cast, action, body}, state) do
{:reply, data, next} = Riptide.Processor.send_cast(action, body, state)
{:reply, {:text, data}, next}
end
def websocket_info(msg, state) do
case Riptide.Processor.process_info(msg, state) do
{:reply, val, next} -> {:reply, {:text, val}, next}
{:noreply, state} -> {:ok, state}
end
end
def child_spec(opts) do
%{
id: __MODULE__,
start: {__MODULE__, :start_link, [opts]}
}
end
end
defmodule Riptide.Websocket.OK do
@moduledoc false
def init(req, state) do
handle(req, state)
end
def handle(request, state) do
reply =
:cowboy_req.reply(
200,
request
)
{:ok, reply, state}
end
def terminate(_reason, _request, _state), do: :ok
end