blob: c065a24ab77f3495fee65b1c64c7cbd2fe3e1156 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
module ActionCable
module Connection
# Makes it possible for the RemoteConnection to disconnect a specific connection.
module InternalChannel
extend ActiveSupport::Concern
private
def internal_redis_channel
"action_cable/#{connection_identifier}"
end
def subscribe_to_internal_channel
if connection_identifier.present?
callback = -> (message) { process_internal_message(message) }
@_internal_redis_subscriptions ||= []
@_internal_redis_subscriptions << [ internal_redis_channel, callback ]
EM.next_tick { pubsub.subscribe(internal_redis_channel, &callback) }
logger.info "Registered connection (#{connection_identifier})"
end
end
def unsubscribe_from_internal_channel
if @_internal_redis_subscriptions.present?
@_internal_redis_subscriptions.each { |channel, callback| EM.next_tick { pubsub.unsubscribe_proc(channel, callback) } }
end
end
def process_internal_message(message)
message = ActiveSupport::JSON.decode(message)
case message['type']
when 'disconnect'
logger.info "Removing connection (#{connection_identifier})"
websocket.close
end
rescue Exception => e
logger.error "There was an exception - #{e.class}(#{e.message})"
logger.error e.backtrace.join("\n")
close
end
end
end
end
|
