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# frozen_string_literal: true
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.
class MessageBuffer # :nodoc:
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
# TODO Change this to private once we've dropped Ruby 2.2 support.
# Workaround for Ruby 2.2 "private attribute?" warning.
protected
attr_reader :connection
attr_reader :buffered_messages
private
def valid?(message)
message.is_a?(String)
end
def receive(message)
connection.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
|
