Class: Akane::Recorder

Inherits:
Object
  • Object
show all
Defined in:
lib/akane/recorder.rb

Defined Under Namespace

Classes: RoundrobinFlags, Stop

Instance Method Summary collapse

Constructor Details

#initialize(storages, timeout: 20, logger: Logger.new(nil)) ⇒ Recorder

Returns a new instance of Recorder.



8
9
10
11
12
13
14
15
 
# File 'lib/akane/recorder.rb', line 8

def initialize(storages, timeout: 20, logger: Logger.new(nil))
  @storages = storages
  @logger = logger
  @queue = Queue.new
  @recently_performed = RoundrobinFlags.new(1000)
  @timeout = timeout
  @stop = false
end

Instance Method Details

#dequeue(raise_errors = false) ⇒ Object 



45
46
47
 
# File 'lib/akane/recorder.rb', line 45

def dequeue(raise_errors = false)
  perform(*@queue.pop, raise_errors: raise_errors)
end

#mark_as_deleted(account, user_id, tweet_id) ⇒ Object 



27
28
29
30
31
 
# File 'lib/akane/recorder.rb', line 27

def mark_as_deleted(, user_id, tweet_id)
  return self if @stop
  @queue << [:mark_as_deleted, , user_id, tweet_id]
  self
end

#perform(action, account, *payload, raise_errors: false) ⇒ Object 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/akane/recorder.rb', line 49

def perform(action, , *payload, raise_errors: false)
  if action == :record_tweet
    tweet = payload.last
    return if @recently_performed[tweet.id]
    @recently_performed.flag!(tweet.id)

    if tweet.retweet?
      perform(:record_tweet, , tweet.retweeted_status, raise_errors: raise_errors)
    end
  end

  @storages.each do |storage|
    begin
      Timeout.timeout(@timeout) do
        storage.__send__(action, , *payload)
      end

    rescue Timeout::Error => e
      raise e if raise_errors
      @logger.warn "#{storage.name} (#{action}) timed out"

    rescue Interrupt, SignalException, SystemExit => e
      raise e

    rescue Exception => e
      raise e if raise_errors
      @logger.error "Error while recorder performing to #{storage.inspect}:  #{e.inspect}"
      @logger.error e.backtrace
    end
  end
end

#queue_length ⇒ Object 



17
18
19
 
# File 'lib/akane/recorder.rb', line 17

def queue_length
  @queue.size
end

#record_event(account, event) ⇒ Object 



39
40
41
42
43
 
# File 'lib/akane/recorder.rb', line 39

def record_event(, event)
  return self if @stop
  @queue << [:record_event, , event]
  self
end

#record_message(account, message) ⇒ Object 



33
34
35
36
37
 
# File 'lib/akane/recorder.rb', line 33

def record_message(, message)
  return self if @stop
  @queue << [:record_message, , message]
  self
end

#record_tweet(account, tweet) ⇒ Object 



21
22
23
24
25
 
# File 'lib/akane/recorder.rb', line 21

def record_tweet(, tweet)
  return self if @stop
  @queue << [:record_tweet, , tweet]
  self
end

#run(raise_errors = false) ⇒ Object 



81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
 
# File 'lib/akane/recorder.rb', line 81

def run(raise_errors = false)
  @running_thread = Thread.new do
    loop do
      begin
        begin
          self.dequeue(raise_errors)
        rescue Interrupt, SignalException, Stop
        end

        if @stop
          break if self.queue_length.zero?
          @logger.info "processing queue: #{self.queue_length} remaining."
        end
      rescue Exception => e
        raise e if raise_errors
        @logger.error "Error while recorder dequing: #{e.inspect}"
        @logger.error e.backtrace
      end
    end

    @logger.info "Recorder stopped."
    @stop = false
  end

  @running_thread.join
  nil
end

#stop! ⇒ Object 



109
110
111
112
 
# File 'lib/akane/recorder.rb', line 109

def stop!
  @stop = true
  @running_thread.raise Stop
end