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# -*- coding: utf-8 -*-
require "time"
module Aclog
module Receiver
class CollectorConnection < EM::Connection
def initialize(connections)
@connections = connections
@worker_number = nil
@pac = MessagePack::Unpacker.new
unless defined? @@queue
@@queue = EM::Queue.new
_cr = -> bl { bl.call; @@queue.pop &_cr }
EM.defer { @@queue.pop &_cr }
end
@@saved_tweets ||= []
end
def send_account(account)
send_object(
type: "account",
id: account.id,
oauth_token: account.oauth_token,
oauth_token_secret: account.oauth_token_secret,
user_id: account.user_id,
consumer_version: account.consumer_version)
Rails.logger.debug("Sent #{account.id}/#{account.user_id}")
end
def post_init
# なにもしない。クライアントが
end
def unbind
Rails.logger.info("Connection closed(#{@worker_number})")
@connections.delete_if{|k, v| v == self}
end
def receive_data(data)
@pac.feed_each(data) do |msg|
unless msg.is_a?(Hash) && msg["type"]
Rails.logger.warn("Unknown data: #{msg}")
send_object(type: "fatal", message: "Unknown data")
close_connection_after_writing
return
end
if not @authorized and not msg["type"] == "init"
Rails.logger.warn("Not authorized client: #{msg}")
send_object(type: "fatal", message: "You aren't authorized")
close_connection_after_writing
return
end
case msg["type"]
when "init"
receive_init(msg)
when "unauthorized"
receive_unauthorized(msg)
when "user"
receive_user(msg)
when "tweet"
receive_tweet(msg)
when "favorite"
receive_favorite(msg)
when "retweet"
receive_retweet(msg)
when "delete"
receive_delete(msg)
when "spam"
receive_spam(msg)
when "quit"
Rails.logger.info("Quit(#{@worker_number}): #{msg["reason"]}")
send_data(type: "quit", message: "Bye")
close_connection_after_writing
else
Rails.logger.warn("Unknown message type(#{@worker_number}): #{msg["type"]}")
send_object(type: "error", message: "Unknown message type: #{msg["type"]}")
end
end
end
private
def send_object(data)
send_data(data.to_msgpack)
end
def receive_init(msg)
secret_key = msg["secret_key"]
worker_number = msg["worker_number"]
unless secret_key == Settings.secret_key
Rails.logger.warn("Invalid secret_key(?:#{worker_number}): \"#{secret_key}\"")
send_object(type: "fatal", message: "Invalid secret_key")
close_connection_after_writing
return
end
if worker_number > Settings.worker_count
Rails.logger.warn("Invalid worker_number: #{worker_number}, secret_key: \"#{secret_key}\"")
send_object(type: "fatal", message: "Invalid worker_number")
close_connection_after_writing
return
end
if @connections[worker_number]
@connections[worker_number].close_connection
end
@connections[worker_number] = self
@worker_number = worker_number
@authorized = true
Rails.logger.info("Connected(#{@worker_number})")
send_object(type: "ok", message: "Connected")
Account.where("id % ? = ?", Settings.worker_count, @worker_number).each do |account|
send_account(account)
end
end
def receive_unauthorized(msg)
Rails.logger.warn("Unauthorized(#{@worker_number}): #{msg["user_id"]}")
# unregister
end
def receive_user(msg)
@@queue.push -> do
Rails.logger.debug("Received User(#{@worker_number}): #{msg["id"]}")
User.from_hash(:id => msg["id"],
:screen_name => msg["screen_name"],
:name => msg["name"],
:profile_image_url => msg["profile_image_url"],
:protected => msg["protected"])
end
end
def receive_tweet(msg)
@@queue.push -> do
Rails.logger.debug("Received Tweet(#{@worker_number}): #{msg["id"]}")
unless @@saved_tweets.include?(msg["id"])
@@saved_tweets << msg["id"]
if @@saved_tweets.size > 100000
Rails.logger.debug("Tweet id dropped from cache: #{@@saved_tweets.shift}")
end
Tweet.from_hash(:id => msg["id"],
:text => msg["text"],
:source => msg["source"],
:tweeted_at => Time.parse(msg["tweeted_at"]),
:user_id => msg["user_id"])
else
Rails.logger.debug("Tweet already exists(#{@worker_number}): #{msg["id"]}")
end
end
end
def receive_favorite(msg)
@@queue.push -> do
Rails.logger.debug("Receive Favorite(#{@worker_number}): #{msg["user_id"]} => #{msg["tweet_id"]}")
f = Favorite.from_hash(:tweet_id => msg["tweet_id"],
:user_id => msg["user_id"])
if t = Tweet.find_by(id: msg["tweet_id"])
t.notify_favorite
end
end
end
def receive_retweet(msg)
@@queue.push -> do
Rails.logger.debug("Receive Retweet(#{@worker_number}): #{msg["user_id"]} => #{msg["tweet_id"]}")
Retweet.from_hash(:id => msg["id"],
:tweet_id => msg["tweet_id"],
:user_id => msg["user_id"])
end
end
def receive_delete(msg)
@@queue.push -> do
if msg["id"]
Rails.logger.debug("Receive Delete(#{@worker_number}): #{msg["id"]}")
Tweet.delete_from_id(msg["id"])
elsif msg["tweet_id"]
Rails.logger.debug("Receive Unfavorite(#{@worker_number}): #{msg["user_id"]} => #{msg["tweet_id"]}")
Favorite.delete_from_hash(:tweet_id => msg["tweet_id"],
:user_id => msg["user_id"])
end
end
end
def receive_spam(msg)
Rails.logger.info("Receive Spam(#{@worker_number}): #{msg["id"]}")
# @@queue.push -> do
# # TODO
# end
end
end
end
end
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