Class: Zold::Remotes
- Inherits:
-
Object
- Object
- Zold::Remotes
- Defined in:
- lib/zold/remotes.rb
Overview
All remotes
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 = PORT) ⇒ Object
- #all ⇒ Object
- #clean ⇒ Object
- #default?(host, port) ⇒ Boolean
- #defaults ⇒ Object
- #error(host, port = PORT) ⇒ Object
- #exists?(host, port = PORT) ⇒ Boolean
-
#initialize(file:, network: 'test', timeout: 60) ⇒ Remotes
constructor
A new instance of Remotes.
- #iterate(log, farm: Farm::Empty.new) ⇒ Object
- #mtime ⇒ Object
- #remove(host, port = PORT) ⇒ Object
- #rescore(host, port, score) ⇒ Object
Constructor Details
#initialize(file:, network: 'test', timeout: 60) ⇒ Remotes
Returns a new instance of Remotes.
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# File 'lib/zold/remotes.rb', line 124 def initialize(file:, network: 'test', timeout: 60) @file = file @network = network @timeout = timeout end |
Instance Method Details
#add(host, port = PORT) ⇒ Object
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# File 'lib/zold/remotes.rb', line 162 def add(host, port = 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, errors: 0 }] end end |
#all ⇒ Object
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# File 'lib/zold/remotes.rb', line 130 def all list = Futex.new(@file).open(false) { 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 |
#clean ⇒ Object
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# File 'lib/zold/remotes.rb', line 141 def clean modify { [] } end |
#default?(host, port) ⇒ Boolean
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# File 'lib/zold/remotes.rb', line 240 def default?(host, port) !DEFS.find { |r| r[0] == host && r[1].to_i == port }.nil? end |
#defaults ⇒ Object
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# File 'lib/zold/remotes.rb', line 145 def defaults DEFS.each do |r| if block_given? next unless yield(r[0], r[1].to_i) end add(r[0], r[1].to_i) end end |
#error(host, port = PORT) ⇒ Object
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# File 'lib/zold/remotes.rb', line 221 def error(host, port = 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 = PORT) ⇒ Boolean
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# File 'lib/zold/remotes.rb', line 154 def exists?(host, port = 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? list = Futex.new(@file).open(false) { load } !list.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 184 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] 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-#{idx}@#{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 ) 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 #{Age.new(start)}") log.debug(Backtrace.new(e).to_s) remove(r[:host], r[:port]) if errors > TOLERANCE end end idx += 1 end pool.shutdown pool.kill unless pool.wait_for_termination(5 * 60) end |
#mtime ⇒ Object
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# File 'lib/zold/remotes.rb', line 236 def mtime File.exist?(@file) ? File.mtime(@file) : Time.now end |
#remove(host, port = PORT) ⇒ Object
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# File 'lib/zold/remotes.rb', line 175 def remove(host, port = 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 228 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 |