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Contents
# frozen_string_literal: true
module ActionCable
module SubscriptionAdapter
class SubscriberMap
def initialize
@subscribers = Hash.new { |h, k| h[k] = [] }
@sync = Mutex.new
end
def add_subscriber(channel, subscriber, on_success)
@sync.synchronize do
new_channel = !@subscribers.key?(channel)
@subscribers[channel] << subscriber
if new_channel
add_channel channel, on_success
elsif on_success
on_success.call
end
end
end
def remove_subscriber(channel, subscriber)
@sync.synchronize do
@subscribers[channel].delete(subscriber)
if @subscribers[channel].empty?
@subscribers.delete channel
remove_channel channel
end
end
end
def broadcast(channel, message)
list = @sync.synchronize do
return if !@subscribers.key?(channel)
@subscribers[channel].dup
end
list.each do |subscriber|
invoke_callback(subscriber, message)
end
end
def add_channel(channel, on_success)
on_success.call if on_success
end
def remove_channel(channel)
end
def invoke_callback(callback, message)
callback.call message
end
end
end
end
Version data entries
166 entries across 161 versions & 14 rubygems