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| author | David Heinemeier Hansson <david@loudthinking.com> | 2015-12-13 14:26:46 +0100 |
|---|---|---|
| committer | David Heinemeier Hansson <david@loudthinking.com> | 2015-12-13 14:26:46 +0100 |
| commit | 7328aa41c56fcb4912c9f6e6cb5fc972e446c5ba (patch) | |
| tree | 71f2c42e7d94ecec70cf94f0ab363498c88fb8c3 /lib | |
| parent | 5fec4b96ffadf1624e6840d7446d78dba40add30 (diff) | |
| parent | 62250e38a1269030e036cf23a6ea6714fb00ffac (diff) | |
| download | rails-7328aa41c56fcb4912c9f6e6cb5fc972e446c5ba.tar.gz rails-7328aa41c56fcb4912c9f6e6cb5fc972e446c5ba.tar.bz2 rails-7328aa41c56fcb4912c9f6e6cb5fc972e446c5ba.zip | |
Merge pull request #73 from smellsblue/websocket-url-differentiation
Easy websocket url configuration
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/action_cable/engine.rb | 5 | ||||
| -rw-r--r-- | lib/action_cable/helpers/action_cable_helper.rb | 29 | ||||
| -rw-r--r-- | lib/action_cable/server/configuration.rb | 1 | ||||
| -rw-r--r-- | lib/assets/javascripts/cable.coffee.erb | 6 |
4 files changed, 40 insertions, 1 deletions
diff --git a/lib/action_cable/engine.rb b/lib/action_cable/engine.rb index 613a9b99f2..4777c3886b 100644 --- a/lib/action_cable/engine.rb +++ b/lib/action_cable/engine.rb @@ -1,10 +1,15 @@ require 'rails/engine' require 'active_support/ordered_options' +require 'action_cable/helpers/action_cable_helper' module ActionCable class Engine < ::Rails::Engine config.action_cable = ActiveSupport::OrderedOptions.new + config.to_prepare do + ApplicationController.helper ActionCable::Helpers::ActionCableHelper + end + initializer "action_cable.logger" do ActiveSupport.on_load(:action_cable) { self.logger ||= ::Rails.logger } end diff --git a/lib/action_cable/helpers/action_cable_helper.rb b/lib/action_cable/helpers/action_cable_helper.rb new file mode 100644 index 0000000000..b82751468a --- /dev/null +++ b/lib/action_cable/helpers/action_cable_helper.rb @@ -0,0 +1,29 @@ +module ActionCable + module Helpers + module ActionCableHelper + # Returns an "action-cable-url" meta tag with the value of the url specified in your + # configuration. Ensure this is above your javascript tag: + # + # <head> + # <%= action_cable_meta_tag %> + # <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %> + # </head> + # + # This is then used by ActionCable to determine the url of your websocket server. + # Your CoffeeScript can then connect to the server without needing to specify the + # url directly: + # + # #= require cable + # @App = {} + # App.cable = Cable.createConsumer() + # + # Make sure to specify the correct server location in each of your environments + # config file: + # + # config.action_cable.url = "ws://example.com:28080" + def action_cable_meta_tag + tag "meta", name: "action-cable-url", content: Rails.application.config.action_cable.url + end + end + end +end diff --git a/lib/action_cable/server/configuration.rb b/lib/action_cable/server/configuration.rb index 89a0caddb4..f7fcee019b 100644 --- a/lib/action_cable/server/configuration.rb +++ b/lib/action_cable/server/configuration.rb @@ -9,6 +9,7 @@ module ActionCable attr_accessor :connection_class, :worker_pool_size attr_accessor :redis_path, :channels_path attr_accessor :disable_request_forgery_protection, :allowed_request_origins + attr_accessor :url def initialize @logger = Rails.logger diff --git a/lib/assets/javascripts/cable.coffee.erb b/lib/assets/javascripts/cable.coffee.erb index 8498233c11..25a9fc79c2 100644 --- a/lib/assets/javascripts/cable.coffee.erb +++ b/lib/assets/javascripts/cable.coffee.erb @@ -4,5 +4,9 @@ @Cable = INTERNAL: <%= ActionCable::INTERNAL.to_json %> - createConsumer: (url) -> + createConsumer: (url = @getConfig("url")) -> new Cable.Consumer url + + getConfig: (name) -> + element = document.head.querySelector("meta[name='action-cable-#{name}']") + element?.getAttribute("content") |