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module Aclog
module Receiver
class CollectorConnection < EM::Connection
def initialize(channel, connections)
@channel = channel
@connections = connections
@worker_number = nil
@unpacker = MessagePack::Unpacker.new(symbolize_keys: true)
end
def send_account(account)
send_object(type: "account",
id: account.id,
consumer_key: Settings.consumer.key,
consumer_secret: Settings.consumer.secret,
oauth_token: account.oauth_token,
oauth_token_secret: account.oauth_token_secret,
user_id: account.user_id)
log(:debug, "send: #{account.id}/#{account.user_id}")
end
def send_stop_account(account)
send_object(type: "stop",
id: account.id)
log(:debug, "send stop: #{account.id}/#{account.user_id}")
end
def post_init
end
def unbind
@connections.reject! {|k, v| v == self }
log(:info, "connection closed")
end
def receive_data(data)
@unpacker.feed_each(data) do |msg|
unless msg.is_a?(Hash) && msg[:type]
log(:error, "unknown data: #{msg}")
send_object(type: "fatal", message: "unknown data")
close_connection_after_writing
return
end
unless @authorized
if msg[:type] == "auth"
auth(msg)
else
log(:warn, "not authorized client: #{msg}")
send_object(type: "fatal", message: "You aren't authorized")
close_connection_after_writing
end
return
end
case msg[:type]
when "unauthorized"
@channel << -> {
log(:warn, "unauthorized: ##{msg[:id]}/#{msg[:user_id]}")
}
when "tweet"
@channel << -> {
log(:debug, "receive tweet: #{msg[:id]}")
Tweet.from_json(msg)
}
when "favorite"
@channel << -> {
log(:debug, "receive favorite: #{msg[:source][:id]} => #{msg[:target_object][:id]}")
if f = Favorite.from_json(msg)
f.tweet.notify_favorite
end
}
when "unfavorite"
@channel << -> {
log(:debug, "receive unfavorite: #{msg[:source][:id]} => #{msg[:target_object][:id]}")
Favorite.where(user_id: msg[:source][:id], tweet_id: msg[:target_object][:id]).destroy_all
}
when "retweet"
@channel << -> {
log(:debug, "receive retweet: #{msg[:user][:id]} => #{msg[:retweeted_status][:id]}")
Retweet.from_json(msg)
}
when "delete"
@channel << -> {
log(:debug, "receive delete: #{msg[:id]}")
Tweet.where(id: msg[:id]).destroy_all
Retweet.where(id: msg[:id]).destroy_all
}
when "quit"
log(:info, "receive quit: #{msg[:reason]}")
send_data(type: "quit", message: "Bye")
close_connection_after_writing
else
log(:warn, "unknown message: #{msg[:type]}")
send_object(type: "error", message: "Unknown message type")
end
end
end
private
def log(level, message)
text = "[RECEIVER"
text << ":#{@worker_number}" if @worker_number
text << "] #{message}"
Rails.logger.__send__(level, text)
end
def send_object(data)
send_data(data.to_msgpack)
end
def auth(msg)
secret_key = msg[:secret_key]
unless secret_key == Settings.collector.secret_key
log(:warn, "Invalid secret_key: \"#{secret_key}\"")
send_object(type: "fatal", message: "invalid secret_key")
close_connection_after_writing
return
end
worker_number = (Settings.collector.count.times.to_a - @connections.keys).sort.first
if worker_number == nil
log(:warn, "all connection alive")
send_object(type: "error", message: "all connection alive")
close_connection_after_writing
return
end
@connections[worker_number] = self
@worker_number = worker_number
@authorized = true
log(:info, "connect")
send_object(type: "ok", message: "connected")
Account.set_of_collector(@worker_number).each do |account|
send_account(account)
end
end
end
end
end
|
