83 lines
2.3 KiB
Ruby
83 lines
2.3 KiB
Ruby
# Copyright 2010 Diaspora Inc.
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#
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# This file is part of Diaspora.
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#
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# Diaspora is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Diaspora is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with Diaspora. If not, see <http://www.gnu.org/licenses/>.
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#
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class MessageHandler
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NUM_TRIES = 3
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TIMEOUT = 5 #seconds
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def initialize
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@queue = EM::Queue.new
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end
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def add_get_request(destinations)
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[*destinations].each{ |dest| @queue.push(Message.new(:get, dest))}
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end
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def add_post_request(destinations, body)
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b = CGI::escape( body )
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[*destinations].each{|dest| @queue.push(Message.new(:post, dest, :body => b))}
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end
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def process
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@queue.pop{ |query|
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case query.type
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when :post
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http = EventMachine::HttpRequest.new(query.destination).post :timeout => TIMEOUT, :body =>{:xml => query.body}
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http.callback { process; process}
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when :get
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http = EventMachine::HttpRequest.new(query.destination).get :timeout => TIMEOUT
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http.callback {send_to_seed(query, http.response); process}
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else
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raise "message is not a type I know!"
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end
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http.errback {
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Rails.logger.info(http.response)
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Rails.logger.info("Failure from #{query.destination}, retrying...")
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query.try_count +=1
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@queue.push query unless query.try_count >= NUM_TRIES
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process
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}
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} unless @queue.size == 0
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end
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def send_to_seed(message, http_response)
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#DO SOMETHING!
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end
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def size
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@queue.size
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end
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class Message
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attr_accessor :type, :destination, :body, :callback, :owner_url, :try_count
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def initialize(type, dest, opts = {})
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@type = type
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@owner_url = opts[:owner_url]
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@destination = dest
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@body = opts[:body]
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@callback = opts[:callback] ||= lambda{ process; process }
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@try_count = 0
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end
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end
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end
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