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Check if deployed esrom node is reachable before executing rpc.

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This commit is contained in:
Pim Kunis 2019-10-24 16:33:52 +02:00
parent ad24ec96ac
commit 45b6408b6b
3 changed files with 9 additions and 2 deletions
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1
firmware/mix.lock
View file

@ -39,6 +39,7 @@
"phoenix_ecto": {:hex, :phoenix_ecto, "4.0.0", "c43117a136e7399ea04ecaac73f8f23ee0ffe3e07acfcb8062fe5f4c9f0f6531", [:mix], [{:ecto, "~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.9", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
"phoenix_html": {:hex, :phoenix_html, "2.13.3", "850e292ff6e204257f5f9c4c54a8cb1f6fbc16ed53d360c2b780a3d0ba333867", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},
"phoenix_live_reload": {:hex, :phoenix_live_reload, "1.2.1", "274a4b07c4adbdd7785d45a8b0bb57634d0b4f45b18d2c508b26c0344bd59b8f", [:mix], [{:file_system, "~> 0.2.1 or ~> 0.3", [hex: :file_system, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.4", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm"},
"phoenix_live_view": {:hex, :phoenix_live_view, "0.3.1", "5474c9e70db4e5bb23c1d1200d9a119ee76b927f3352554d31f5f31eaa1ea568", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix, "~> 1.4.9", [hex: :phoenix, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.13.2", [hex: :phoenix_html, repo: "hexpm", optional: false]}], "hexpm"},
"phoenix_pubsub": {:hex, :phoenix_pubsub, "1.1.2", "496c303bdf1b2e98a9d26e89af5bba3ab487ba3a3735f74bf1f4064d2a845a3e", [:mix], [], "hexpm"},
"plug": {:hex, :plug, "1.8.2", "0bcce1daa420f189a6491f3940cc77ea7fb1919761175c9c3b59800d897440fc", [:mix], [{:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm"},
"plug_cowboy": {:hex, :plug_cowboy, "2.1.0", "b75768153c3a8a9e8039d4b25bb9b14efbc58e9c4a6e6a270abff1cd30cbe320", [:mix], [{:cowboy, "~> 2.5", [hex: :cowboy, repo: "hexpm", optional: false]}, {:plug, "~> 1.7", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm"},

8
morse/lib/morse/worker.ex
View file

@ -3,6 +3,8 @@ defmodule Morse.Worker do
Functions to control the signal lamp connected with GPIO.
"""
@esrom_node :"esrom@esrom.lan"
@sleep_short 200
@sleep_delay 400
@sleep_long 700
@ -60,10 +62,14 @@ defmodule Morse.Worker do
|> String.to_charlist()
end
# Communicate with a deployed esrom node, if running on a host.
case Application.get_env(:ui, :target) do
:host ->
def toggle_lamp(state) do
:rpc.call(:"esrom@esrom.lan", Morse.Worker, :toggle_lamp, [state])
# Check if the deployed esrom node is online.
if :pong == Node.ping(@esrom_node) do
:rpc.call(@esrom_node, Morse.Worker, :toggle_lamp, [state])
end
end
_ ->

2
ui/lib/ui/application.ex
View file

@ -23,7 +23,7 @@ defmodule Ui.Application do
def children(:host) do
{:ok, _} = Node.start(:"host@0.0.0.0")
Node.set_cookie(:tastycookie)
true = Node.connect(:"esrom@esrom.lan")
Node.connect(:"esrom@esrom.lan")
[]
end