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# -*- coding: utf-8 -*-
require 'thread'
require File.expand_path File.join(File.dirname(__FILE__), 'streamer_error')
module ::Plugin::Streaming
class Streamer
attr_reader :thread, :service
# イベントを登録する
# ==== Args
# [name] イベント名
# [many] オブジェクトをまとめて配列で受け取るかどうか
# [&proc] イベントを受け取るオブジェクト。
def self.defevent(name, many=false, &proc)
speed_key = "#{name}_queue_delay".to_sym
define_method("_event_#{name}", &proc)
if many
define_method("event_#{name}"){ |json|
@queue[name] ||= TimeLimitedQueue.new(HYDE, everytime{ (UserConfig[speed_key] || 100).to_f / 1000 }){ |data|
begin
__send__("_event_#{name}", data)
rescue Exception => e
warn e end }
@threads[name] ||= everytime{ @queue[name].thread }
@queue[name].push json }
else
define_method("event_#{name}"){ |json|
@queue[name] ||= Queue.new
@threads[name] ||= Thread.new{
loop{
begin
sleep((UserConfig[speed_key] || 100).to_f / 1000)
__send__("_event_#{name}", @queue[name].pop)
rescue Exception => e
warn e end } }
queue_push(name, json) } end end
# ==== Args
# [service] 接続するService
# [on_connect] 接続されたら呼ばれる
def initialize(service, &on_connect)
@service = service
@thread = Thread.new(&method(:mainloop))
@on_connect = on_connect
@threads = {}
@queue = {} end
def mainloop
service.streaming{ |q|
if q and not q.empty?
parsed = JSON.parse(q) rescue nil
event_factory parsed if parsed end }
rescue Net::ReadTimeout
raise
rescue => exception
error exception
raise end
# UserStreamを終了する
def kill
@thread.kill
@threads.each{ |event, thread|
thread.kill }
@threads.clear
@queue.clear end
private
# イベント _name_ のキューに値 _data_ を追加する。
# ==== Args
# [name] イベント名
# [data] キューに入れる値
# ==== Exception
# キューを処理するスレッドが正常終了している場合、 Plugin::Streaming::StreamerError を発生させる。
# 異常終了している場合は、その例外をそのまま発生させる。
def queue_push(name, data)
if @threads[name] && @threads[name]
if @threads[name].alive?
@queue[name].push data
else
if @threads[name].status.nil?
@queue[name].thread.status.join
else
raise Plugin::Streaming::StreamerError, "event '#{name}' thread is dead." end end end end
# UserStreamで流れてきた情報を処理する
# ==== Args
# [parsed] パースされたJSONオブジェクト
def event_factory(json)
json.freeze
case
when json['friends']
if @on_connect
@on_connect.call(json)
@on_connect = nil end
when respond_to?("event_#{json['event']}")
__send__(:"event_#{json['event']}", json)
when json['direct_message']
event_direct_message(json['direct_message'])
when json['delete']
# if Mopt.debug
# Plugin.activity :system, YAML.dump(json)
# end
when !json.has_key?('event')
event_update(json)
when Mopt.debug
Plugin.activity :system, YAML.dump(json)
else
if Mopt.debug
Plugin.activity :system, "unsupported event:\n" + YAML.dump(json) end end end
defevent(:update, true) do |data|
events = {update: Messages.new, mention: Messages.new, mypost: Messages.new}
data.each { |json|
msg = MikuTwitter::ApiCallSupport::Request::Parser.streaming_message(json.symbolize)
events[:update] << msg
events[:mention] << msg if msg.to_me?
events[:mypost] << msg if msg.from_me? }
events.each{ |event_name, data|
Plugin.call(event_name, @service, data.freeze) } end
defevent(:direct_message, true) do |data|
Plugin.call(:direct_messages, @service, data.map{ |datum| MikuTwitter::ApiCallSupport::Request::Parser.direct_message(datum.symbolize) }) end
defevent(:favorite) do |json|
by = MikuTwitter::ApiCallSupport::Request::Parser.user(json['source'].symbolize)
to = MikuTwitter::ApiCallSupport::Request::Parser.streaming_message(json['target_object'].symbolize)
if(to.respond_to?(:add_favorited_by))
to.add_favorited_by(by, Time.parse(json['created_at'])) end end
defevent(:unfavorite) do |json|
by = MikuTwitter::ApiCallSupport::Request::Parser.user(json['source'].symbolize)
to = MikuTwitter::ApiCallSupport::Request::Parser.streaming_message(json['target_object'].symbolize)
if(to.respond_to?(:remove_favorited_by))
to.remove_favorited_by(by) end end
defevent(:favorited_retweet) do |json|
by = MikuTwitter::ApiCallSupport::Request::Parser.user(json['source'].symbolize)
to = Message.findbyid(json['target_object']['id'].to_i)
if to.is_a? Message
source_message = to.retweet_source
if(to.respond_to?(:add_favorited_by))
source_message.add_favorited_by(by, Time.parse(json['created_at'])) end end end
defevent(:retweeted_retweet) do |json|
by = MikuTwitter::ApiCallSupport::Request::Parser.user(json['source'].symbolize)
#to = MikuTwitter::ApiCallSupport::Request::Parser.user(json['target'].symbolize)
target_object = MikuTwitter::ApiCallSupport::Request::Parser.streaming_message(json['target_object'].symbolize)
source_object = target_object.retweet_source
source_object.add_retweet_user(by, Time.parse(json['created_at'])) end
defevent(:quoted_tweet) do |json|
MikuTwitter::ApiCallSupport::Request::Parser.streaming_message(json['target_object'].symbolize) end
defevent(:follow) do |json|
source = MikuTwitter::ApiCallSupport::Request::Parser.user(json['source'].symbolize)
target = MikuTwitter::ApiCallSupport::Request::Parser.user(json['target'].symbolize)
if target.me?(@service)
Plugin.call(:followers_created, @service, Users.new([source]))
elsif source.me?(@service)
Plugin.call(:followings_created, @service, Users.new([target])) end end
defevent(:list_member_added) do |json|
target_user = MikuTwitter::ApiCallSupport::Request::Parser.user(json['target'].symbolize) # リストに追加されたユーザ
list = MikuTwitter::ApiCallSupport::Request::Parser.list(json['target_object'].symbolize) # リスト
source_user = MikuTwitter::ApiCallSupport::Request::Parser.user(json['source'].symbolize) # 追加したユーザ
list.add_member(target_user)
Plugin.call(:list_member_added, @service, target_user, list, source_user) end
defevent(:list_member_removed) do |json|
target_user = MikuTwitter::ApiCallSupport::Request::Parser.user(json['target'].symbolize) # リストに追加されたユーザ
list = MikuTwitter::ApiCallSupport::Request::Parser.list(json['target_object'].symbolize) # リスト
source_user = MikuTwitter::ApiCallSupport::Request::Parser.user(json['source'].symbolize) # 追加したユーザ
list.remove_member(target_user)
Plugin.call(:list_member_removed, @service, target_user, list, source_user) end
end
end
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