Class: Zold::Farm

Inherits:
Object
  • Object
show all
Defined in:
lib/zold/node/farm.rb

Overview

Farm

Defined Under Namespace

Classes: Empty

Instance Method Summary collapse

Constructor Details

#initialize(invoice, cache = File.join(Dir.pwd, 'farm'), log: Log::Quiet.new) ⇒ Farm

Returns a new instance of Farm.



46
47
48
49
50
51
52
53
 
# File 'lib/zold/node/farm.rb', line 46

def initialize(invoice, cache = File.join(Dir.pwd, 'farm'), log: Log::Quiet.new)
  @log = log
  @cache = cache
  @invoice = invoice
  @pipeline = Queue.new
  @threads = []
  @mutex = Mutex.new
end

Instance Method Details

#best ⇒ Object 



55
56
57
 
# File 'lib/zold/node/farm.rb', line 55

def best
  load
end

#start(host, port, strength: 8, threads: 8) ⇒ Object 



78
79
80
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
 
# File 'lib/zold/node/farm.rb', line 78

def start(host, port, strength: 8, threads: 8)
  @log.info('Zero-threads farm won\'t score anything!') if threads.zero?
  cleanup(host, port, strength, threads)
  @log.info("#{@pipeline.size} scores pre-loaded, the best is: #{best[0]}")
  @alive = true
  @threads = (1..threads).map do |t|
    Thread.new do
      Thread.current.abort_on_exception = true
      Thread.current.name = "f#{t}"
      loop do
        VerboseThread.new(@log).run do
          cycle(host, port, strength, threads)
        end
        break unless @alive
      end
    end
  end
  @cleanup = Thread.new do
    Thread.current.abort_on_exception = true
    Thread.current.name = 'cleanup'
    loop do
      max = 600
      a = (0..max).take_while do
        sleep 0.1
        @alive
      end
      unless a.count == max
        @log.info("It's time to stop the cleanup thread (#{a.count} != #{max}, alive=#{@alive})...")
        break
      end
      VerboseThread.new(@log).run(true) do
        cleanup(host, port, strength, threads)
      end
    end
  end
  @log.info("Farm started with #{@threads.count} threads at #{host}:#{port}, strength is #{strength}")
  return unless block_given?
  begin
    yield(self)
  ensure
    @log.info("Terminating the farm with #{@threads.count} threads...")
    start = Time.now
    finish(@cleanup)
    @threads.each { |t| finish(t) }
    @log.info("Farm stopped in #{Age.new(start)}")
  end
end

#to_json ⇒ Object 



66
67
68
69
70
71
72
73
74
75
76
 
# File 'lib/zold/node/farm.rb', line 66

def to_json
  {
    threads: @threads.map do |t|
      "#{t.name}/#{t.status}/#{t.alive? ? 'A' : 'D'}"
    end.join(', '),
    cleanup: @cleanup.status,
    pipeline: @pipeline.size,
    best: best.map(&:to_mnemo).join(', '),
    alive: @alive
  }
end

#to_text ⇒ Object 



59
60
61
62
63
64
 
# File 'lib/zold/node/farm.rb', line 59

def to_text
  @threads.map do |t|
    trace = t.backtrace || []
    "#{t.name}: status=#{t.status}; alive=#{t.alive?};\n  #{trace.join("\n  ")}"
  end.join("\n")
end