我正在寻找一种在Padrino应用程序中打开和使用WebSockets的方法。我知道Padrino只能使用单个线程,但我正在寻找一种打开WebSockets并在其“onopen”、“onclose”和“onmessage”方法与Padrino控制器之间共享变量的方法。
有什么想法吗?
我查看了以下链接:
- Eventmachine在Padrino和Sinatra中的用法示例(只有Sinatra适用于我) - GitHub上的em-websocket 更新1: 这是我的main.rb:
有什么想法吗?
我查看了以下链接:
- Eventmachine在Padrino和Sinatra中的用法示例(只有Sinatra适用于我) - GitHub上的em-websocket 更新1: 这是我的main.rb:
require 'rubygems' # <-- Added this require
require 'em-websocket'
require 'padrino-core'
require 'thin'
require File.expand_path("../config/boot.rb", __FILE__)
SOCKETS = []
EventMachine.run do # <-- Changed EM to EventMachine
# class App < Sinatra::Base
# get '/' do
# SOCKETS.each {|s| s.send "fooooo"}
# return "foo"
# end
# end
EventMachine::WebSocket.start(:host => '0.0.0.0', :port => 8080) do |ws| # <-- Added |ws|
# Websocket code here
ws.onopen {
ws.send "connected!!!!"
SOCKETS << ws
}
ws.onmessage { |msg|
puts "got message #{msg}"
ws.send "ECHO: #{msg}"
}
ws.onclose {
ws.send "WebSocket closed"
SOCKETS.delete ws
}
end
# You could also use Rainbows! instead of Thin.
# Any EM based Rack handler should do.
#App.run!({:port => 3000}) # <-- Changed this line from Thin.start to App.run!
Thin::Server.start Padrino.application, '0.0.0.0', 3000
结束
我遇到了这个异常:
/home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/thin-1.2.11/lib/thin/daemonizing.rb:2:in `require': no such file to load -- daemons (LoadError)
from /home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/thin-1.2.11/lib/thin/daemonizing.rb:2:in `<top (required)>'
from /home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/thin-1.2.11/lib/thin/server.rb:50:in `<class:Server>'
from /home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/thin-1.2.11/lib/thin/server.rb:48:in `<module:Thin>'
from /home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/thin-1.2.11/lib/thin/server.rb:1:in `<top (required)>'
from main.rb:39:in `block in <main>'
from /home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `call'
from /home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine'
from /home/cstore/.rvm/gems/ruby-1.9.2-p290@runtime/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run'
from main.rb:9:in `<main>'
更新2: 感谢Nathan的帮助,我只需在Gemfile中添加“daemons”并重新加载应用程序即可解决问题。
gem 'daemons'
。通常,该错误表示列出的gem未安装到您的gemset或未包含在Gemfile中。 - Nathan