class LiteCable::Server::SubscribersMap
Attributes
sockets[R]
streams[R]
Public Class Methods
new()
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# File lib/lite_cable/server/subscribers_map.rb, line 9 def initialize @streams = Hash.new do |streams, stream_id| streams[stream_id] = Hash.new { |channels, channel_id| channels[channel_id] = [] } end @sockets = Hash.new { |h, k| h[k] = [] } @sync = Mutex.new end
Public Instance Methods
add_subscriber(stream, socket, channel)
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# File lib/lite_cable/server/subscribers_map.rb, line 17 def add_subscriber(stream, socket, channel) @sync.synchronize do @streams[stream][channel] << socket @sockets[socket] << [channel, stream] end end
broadcast(stream, message, coder)
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# File lib/lite_cable/server/subscribers_map.rb, line 44 def broadcast(stream, message, coder) list = @sync.synchronize do return unless @streams.key?(stream) @streams[stream].to_a end list.each do |(channel_id, sockets)| cmessage = channel_message(channel_id, message, coder) sockets.each { |s| s.transmit cmessage } end end
remove_socket(socket, channel)
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# File lib/lite_cable/server/subscribers_map.rb, line 32 def remove_socket(socket, channel) list = @sync.synchronize do return unless @sockets.key?(socket) @sockets[socket].dup end list.each do |(channel_id, stream)| remove_subscriber(stream, socket, channel) if channel == channel_id end end
remove_subscriber(stream, socket, channel)
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# File lib/lite_cable/server/subscribers_map.rb, line 24 def remove_subscriber(stream, socket, channel) @sync.synchronize do @streams[stream][channel].delete(socket) @sockets[socket].delete([channel, stream]) cleanup stream, socket, channel end end
Private Instance Methods
channel_message(channel_id, message, coder)
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# File lib/lite_cable/server/subscribers_map.rb, line 65 def channel_message(channel_id, message, coder) coder.encode(identifier: channel_id, message: message) end
cleanup(stream, socket, channel)
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# File lib/lite_cable/server/subscribers_map.rb, line 59 def cleanup(stream, socket, channel) @streams[stream].delete(channel) if @streams[stream][channel].empty? @streams.delete(stream) if @streams[stream].empty? @sockets.delete(socket) if @sockets[socket].empty? end