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get '/stream' do
erb :stream
end
class MultipartBody
def initialize(response, &block)
@boundary = 'MultipartBody'
response['Content-Type'] = "multipart/mixed; boundary=\"#{@boundary}\""
response['Transfer-Encoding'] = 'chunked'
instance_eval(&block) if block
end
def chunk(content_type, body)
"--#{@boundary}\nContent-Type: #{content_type}\n\n#{body}\n"
end
end
class ServerTime < MultipartBody
def each
loop do
yield chunk("application/json", "{\"currentTime\":\"#{Time.now.strftime '%H:%M:%S'}\"}")
sleep 2
end
end
end
get '/servertime' do
ServerTime.new(response)
end