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module ActionCable
module Connection
# Allows us to buffer messages received from the WebSocket before the Connection has been fully initialized and is ready to receive them.
# Entirely internal operation and should not be used directly by the user.
class MessageBuffer
def initialize(connection)
@connection = connection
@buffered_messages = []
end
def append(message)
if valid? message
if processing?
receive message
else
buffer message
end
else
connection.logger.error "Couldn't handle non-string message: #{message.class}"
end
end
def processing?
@processing
end
def process!
@processing = true
receive_buffered_messages
end
private
attr_reader :connection
attr_accessor :buffered_messages
def valid?(message)
message.is_a?(String)
end
def receive(message)
connection.send_async :receive, message
end
def buffer(message)
buffered_messages << message
end
def receive_buffered_messages
receive buffered_messages.shift until buffered_messages.empty?
end
end
end
end
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