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dev.exs
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dev.exs
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# iex -S mix dev
Logger.configure(level: :debug)
# Configures the endpoint
Application.put_env(:phoenix_live_dashboard, DemoWeb.Endpoint,
url: [host: "localhost"],
secret_key_base: "Hu4qQN3iKzTV4fJxhorPQlA/osH9fAMtbtjVS58PFgfw3ja5Z18Q/WSNR9wP4OfW",
live_view: [signing_salt: "hMegieSe"],
http: [port: System.get_env("PORT") || 4000],
debug_errors: true,
check_origin: false,
pubsub_server: Demo.PubSub
)
defmodule Demo.Pipeline do
use Broadway
def start_link(opts) do
Broadway.start_link(__MODULE__,
name: __MODULE__,
producer: [
module: {Broadway.DummyProducer, opts},
concurrency: 1
],
processors: [
default: [concurrency: 10]
],
batchers: [
default: [batch_size: 20, concurrency: 3, batch_timeout: 2000],
s3: [concurrency: 3, batch_size: 15, batch_timeout: 2000]
]
)
end
@impl true
def handle_message(_, %Broadway.Message{} = message, _) do
Broadway.Message.update_data(message, fn data ->
hex = Base.encode16(:crypto.strong_rand_bytes(64))
String.upcase(data <> hex)
end)
|> Broadway.Message.put_batcher(pick_batcher_key())
end
@impl true
def handle_batch(:default, messages, _, _) do
Enum.map(messages, fn message ->
Broadway.Message.update_data(message, fn data ->
String.downcase(data)
end)
end)
end
@impl true
def handle_batch(:s3, messages, _, _), do: messages
defp pick_batcher_key do
Enum.random([:default, :s3])
end
end
defmodule FakeProducer do
use GenServer
def start_link(_) do
GenServer.start_link(__MODULE__, name: __MODULE__)
end
def init(_) do
timer = Process.send_after(self(), :publish, 1000)
{:ok, timer}
end
def handle_info(:publish, _timer) do
for i <- 1..1234, do: Broadway.test_message(Demo.Pipeline, "hello #{i}")
timer = Process.send_after(self(), :publish, 100)
{:noreply, timer}
end
def handle_info(_, timer) do
{:noreply, timer}
end
def terminate(_, timer) do
Process.cancel_timer(timer)
:ok
end
end
defmodule DemoWeb.PageController do
import Plug.Conn
def init(opts), do: opts
def call(conn, :index) do
content(conn, """
<h2>BroadwayDashboard Dev</h2>
<a href="/dashboard" target="_blank">Open Dashboard</a>
""")
end
def call(conn, :hello) do
name = Map.get(conn.params, "name", "friend")
content(conn, "<p>Hello, #{name}!</p>")
end
defp content(conn, content) do
conn
|> put_resp_header("content-type", "text/html")
|> send_resp(200, "<!doctype html><html><body>#{content}</body></html>")
end
end
defmodule DemoWeb.Router do
use Phoenix.Router
import Phoenix.LiveDashboard.Router
pipeline :browser do
plug :fetch_session
end
scope "/" do
pipe_through :browser
get "/", DemoWeb.PageController, :index
live_dashboard("/dashboard",
allow_destructive_actions: true,
additional_pages: [
broadway: BroadwayDashboard
]
)
end
end
defmodule DemoWeb.Endpoint do
use Phoenix.Endpoint, otp_app: :phoenix_live_dashboard
socket "/live", Phoenix.LiveView.Socket
socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
plug Phoenix.LiveReloader
plug Phoenix.CodeReloader
plug Phoenix.LiveDashboard.RequestLogger,
param_key: "request_logger",
cookie_key: "request_logger"
plug Plug.Session,
store: :cookie,
key: "_live_view_key",
signing_salt: "/VEDsdfsffMnp5"
plug Plug.RequestId
plug DemoWeb.Router
end
Application.put_env(:phoenix, :serve_endpoints, true)
Task.start(fn ->
children = [
{Phoenix.PubSub, [name: Demo.PubSub, adapter: Phoenix.PubSub.PG2]},
Demo.Pipeline,
FakeProducer,
DemoWeb.Endpoint
]
{:ok, _} = Supervisor.start_link(children, strategy: :one_for_one)
Process.sleep(:infinity)
end)