我使用async_sinatra
gem来实现异步路由,但我遇到了一个帖子,说明为了这个目的,可以使用Sinatra的流API代替async_sinatra
。可以使用流媒体实现与以下相同的功能吗?
require 'em-hiredis'
require 'sinatra/async'
class App < Sinatra::Base
register Sinatra::Async
def redis
@redis ||= EM::Hiredis.connect
end
aget '/' do
redis.blpop('abcdef', 15).
callback {|x| body "x=#{x}"}.
errback {|e| body "e=#{e}"}
end
run! if app_file == $0
end
答案 0 :(得分:3)
回答我自己的问题:
require 'em-hiredis'
require 'sinatra/base'
class App < Sinatra::Base
def redis
@redis ||= EM::Hiredis.connect
end
get '/' do
stream :keep_open do |out|
redis.blpop('abcdef', 15).callback do |x|
out << "x=#{x}"
out.close
end.errback do |e|
out << "e=#{e}"
out.close
end
end
end
run! if app_file == $0
end