Class: Zold::Remotes
- Inherits:
-
Object
- Object
- Zold::Remotes
- Defined in:
- lib/zold/remotes.rb
Overview
All remotes
Direct Known Subclasses
Defined Under Namespace
Constant Summary collapse
- PORT =
The default TCP port all nodes are supposed to use.
4096
- TOLERANCE =
At what amount of errors we delete the remote automatically
8
- MAX_NODES =
Default number of nodes to fetch.
16
Instance Method Summary collapse
- #add(host, port = Remotes::PORT) ⇒ Object
- #all ⇒ Object
- #clean ⇒ Object
- #error(host, port = Remotes::PORT) ⇒ Object
- #exists?(host, port = Remotes::PORT) ⇒ Boolean
-
#initialize(file:, network: 'test', mutex: Mutex.new, timeout: 16) ⇒ Remotes
constructor
A new instance of Remotes.
- #iterate(log, farm: Farm::Empty.new) ⇒ Object
- #remove(host, port = Remotes::PORT) ⇒ Object
- #rescore(host, port, score) ⇒ Object
- #reset ⇒ Object
Constructor Details
#initialize(file:, network: 'test', mutex: Mutex.new, timeout: 16) ⇒ Remotes
Returns a new instance of Remotes.
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# File 'lib/zold/remotes.rb', line 109 def initialize(file:, network: 'test', mutex: Mutex.new, timeout: 16) @file = file @network = network @mutex = mutex @timeout = timeout end |
Instance Method Details
#add(host, port = Remotes::PORT) ⇒ Object
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# File 'lib/zold/remotes.rb', line 148 def add(host, port = Remotes::PORT) raise 'Host can\'t be nil' if host.nil? raise 'Host can\'t be empty' if host.empty? raise 'Port can\'t be nil' if port.nil? raise 'Port has to be of type Integer' unless port.is_a?(Integer) raise 'Port can\'t be zero' if port.zero? raise 'Port can\'t be negative' if port.negative? raise 'Port can\'t be over 65536' if port > 0xffff modify do |list| list + [{ host: host.downcase, port: port, score: 0 }] end end |
#all ⇒ Object
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# File 'lib/zold/remotes.rb', line 116 def all @mutex.synchronize do list = load max_score = list.map { |r| r[:score] }.max || 0 max_score = 1 if max_score.zero? max_errors = list.map { |r| r[:errors] }.max || 0 max_errors = 1 if max_errors.zero? list.sort_by do |r| (1 - r[:errors] / max_errors) * 5 + (r[:score] / max_score) end.reverse end end |
#clean ⇒ Object
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# File 'lib/zold/remotes.rb', line 129 def clean modify { [] } end |
#error(host, port = Remotes::PORT) ⇒ Object
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# File 'lib/zold/remotes.rb', line 209 def error(host, port = Remotes::PORT) raise 'Host can\'t be nil' if host.nil? raise 'Port can\'t be nil' if port.nil? raise 'Port has to be of type Integer' unless port.is_a?(Integer) if_present(host, port) { |r| r[:errors] += 1 } end |
#exists?(host, port = Remotes::PORT) ⇒ Boolean
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# File 'lib/zold/remotes.rb', line 141 def exists?(host, port = Remotes::PORT) raise 'Port has to be of type Integer' unless port.is_a?(Integer) raise 'Host can\'t be nil' if host.nil? raise 'Port can\'t be nil' if port.nil? !load.find { |r| r[:host] == host.downcase && r[:port] == port }.nil? end |
#iterate(log, farm: Farm::Empty.new) ⇒ Object
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# File 'lib/zold/remotes.rb', line 170 def iterate(log, farm: Farm::Empty.new) raise 'Log can\'t be nil' if log.nil? raise 'Farm can\'t be nil' if farm.nil? list = all return if list.empty? best = farm.best[0] require_relative 'score' score = best.nil? ? Score::ZERO : best idx = 0 pool = Concurrent::FixedThreadPool.new([list.count, Concurrent.processor_count * 4].min, max_queue: 0) list.each do |r| pool.post do Thread.current.abort_on_exception = true Thread.current.name = "remotes@#{r[:host]}:#{r[:port]}" start = Time.now begin yield Remotes::Remote.new( host: r[:host], port: r[:port], score: score, idx: idx, log: log, network: @network ) idx += 1 raise 'Took too long to execute' if (Time.now - start).round > @timeout rescue StandardError => e error(r[:host], r[:port]) log.info("#{Rainbow("#{r[:host]}:#{r[:port]}").red}: #{e.} \ in #{(Time.now - start).round}s") log.debug(Backtrace.new(e).to_s) remove(r[:host], r[:port]) if errors > Remotes::TOLERANCE end end end pool.shutdown pool.kill unless pool.wait_for_termination(5 * 60) end |
#remove(host, port = Remotes::PORT) ⇒ Object
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# File 'lib/zold/remotes.rb', line 161 def remove(host, port = Remotes::PORT) raise 'Port has to be of type Integer' unless port.is_a?(Integer) raise 'Host can\'t be nil' if host.nil? raise 'Port can\'t be nil' if port.nil? modify do |list| list.reject { |r| r[:host] == host.downcase && r[:port] == port } end end |
#rescore(host, port, score) ⇒ Object
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# File 'lib/zold/remotes.rb', line 216 def rescore(host, port, score) raise 'Host can\'t be nil' if host.nil? raise 'Port can\'t be nil' if port.nil? raise 'Score can\'t be nil' if score.nil? raise 'Port has to be of type Integer' unless port.is_a?(Integer) if_present(host, port) { |r| r[:score] = score } end |
#reset ⇒ Object
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# File 'lib/zold/remotes.rb', line 133 def reset FileUtils.mkdir_p(File.dirname(@file)) FileUtils.copy( File.join(File.dirname(__FILE__), '../../resources/remotes'), @file ) end |