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-rw-r--r--actioncable/lib/action_cable/subscription_adapter/evented_redis.rb89
1 files changed, 0 insertions, 89 deletions
diff --git a/actioncable/lib/action_cable/subscription_adapter/evented_redis.rb b/actioncable/lib/action_cable/subscription_adapter/evented_redis.rb
deleted file mode 100644
index 07774810ce..0000000000
--- a/actioncable/lib/action_cable/subscription_adapter/evented_redis.rb
+++ /dev/null
@@ -1,89 +0,0 @@
-# frozen_string_literal: true
-
-require "thread"
-
-gem "em-hiredis", "~> 0.3.0"
-gem "redis", "~> 3.0"
-require "em-hiredis"
-require "redis"
-
-EventMachine.epoll if EventMachine.epoll?
-EventMachine.kqueue if EventMachine.kqueue?
-
-module ActionCable
- module SubscriptionAdapter
- class EventedRedis < Base # :nodoc:
- prepend ChannelPrefix
-
- @@mutex = Mutex.new
-
- # Overwrite this factory method for EventMachine Redis connections if you want to use a different Redis connection library than EM::Hiredis.
- # This is needed, for example, when using Makara proxies for distributed Redis.
- cattr_accessor :em_redis_connector, default: ->(config) { EM::Hiredis.connect(config[:url]) }
-
- # Overwrite this factory method for Redis connections if you want to use a different Redis connection library than Redis.
- # This is needed, for example, when using Makara proxies for distributed Redis.
- cattr_accessor :redis_connector, default: ->(config) { ::Redis.new(url: config[:url]) }
-
- def initialize(*)
- ActiveSupport::Deprecation.warn(<<-MSG.squish)
- The "evented_redis" subscription adapter is deprecated and
- will be removed in Rails 5.2. Please use the "redis" adapter
- instead.
- MSG
-
- super
- @redis_connection_for_broadcasts = @redis_connection_for_subscriptions = nil
- end
-
- def broadcast(channel, payload)
- redis_connection_for_broadcasts.publish(channel, payload)
- end
-
- def subscribe(channel, message_callback, success_callback = nil)
- redis_connection_for_subscriptions.pubsub.subscribe(channel, &message_callback).tap do |result|
- result.callback { |reply| success_callback.call } if success_callback
- end
- end
-
- def unsubscribe(channel, message_callback)
- redis_connection_for_subscriptions.pubsub.unsubscribe_proc(channel, message_callback)
- end
-
- def shutdown
- redis_connection_for_subscriptions.pubsub.close_connection
- @redis_connection_for_subscriptions = nil
- end
-
- private
- def redis_connection_for_subscriptions
- ensure_reactor_running
- @redis_connection_for_subscriptions || @server.mutex.synchronize do
- @redis_connection_for_subscriptions ||= self.class.em_redis_connector.call(@server.config.cable).tap do |redis|
- redis.on(:reconnect_failed) do
- @logger.error "[ActionCable] Redis reconnect failed."
- end
-
- redis.on(:failed) do
- @logger.error "[ActionCable] Redis connection has failed."
- end
- end
- end
- end
-
- def redis_connection_for_broadcasts
- @redis_connection_for_broadcasts || @server.mutex.synchronize do
- @redis_connection_for_broadcasts ||= self.class.redis_connector.call(@server.config.cable)
- end
- end
-
- def ensure_reactor_running
- return if EventMachine.reactor_running? && EventMachine.reactor_thread
- @@mutex.synchronize do
- Thread.new { EventMachine.run } unless EventMachine.reactor_running?
- Thread.pass until EventMachine.reactor_running? && EventMachine.reactor_thread
- end
- end
- end
- end
-end