Class: Zold::Remotes
- Inherits:
-
Object
- Object
- Zold::Remotes
- Defined in:
- lib/zold/remotes.rb
Overview
All remotes
Defined Under Namespace
Classes: Empty
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
- #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, threads: 1) ⇒ Object
Go through the list of remotes and call a provided block for each of them.
- #master?(host, port) ⇒ Boolean
- #masters ⇒ Object
- #mtime ⇒ Object
- #remove(host, port = PORT) ⇒ Object
- #rescore(host, port, score) ⇒ Object
- #unerror(host, port = PORT) ⇒ Object
Constructor Details
#initialize(file:, network: 'test', timeout: 60) ⇒ Remotes
Returns a new instance of Remotes.
147 148 149 150 151 |
# File 'lib/zold/remotes.rb', line 147 def initialize(file:, network: 'test', timeout: 60) @file = file @network = network @timeout = timeout end |
Instance Method Details
#add(host, port = PORT) ⇒ Object
183 184 185 186 187 188 189 |
# File 'lib/zold/remotes.rb', line 183 def add(host, port = PORT) assert_host_info(host, port) modify do |list| list + [{ host: host.downcase, port: port, score: 0, errors: 0 }] end unerror(host, port) end |
#all ⇒ Object
153 154 155 156 157 158 159 160 161 162 |
# File 'lib/zold/remotes.rb', line 153 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
164 165 166 |
# File 'lib/zold/remotes.rb', line 164 def clean modify { [] } end |
#error(host, port = PORT) ⇒ Object
233 234 235 236 |
# File 'lib/zold/remotes.rb', line 233 def error(host, port = PORT) assert_host_info(host, port) if_present(host, port) { |r| r[:errors] += 1 } end |
#exists?(host, port = PORT) ⇒ Boolean
177 178 179 180 181 |
# File 'lib/zold/remotes.rb', line 177 def exists?(host, port = PORT) assert_host_info(host, port) 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, threads: 1) ⇒ Object
Go through the list of remotes and call a provided block for each of them. See how it’s used, for example, in fetch.rb.
200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 |
# File 'lib/zold/remotes.rb', line 200 def iterate(log, farm: Farm::Empty.new, threads: 1) raise 'Log can\'t be nil' if log.nil? raise 'Farm can\'t be nil' if farm.nil? Hands.exec(threads, all) do |r, idx| Thread.current.name = "remotes-#{idx}@#{r[:host]}:#{r[:port]}" start = Time.now best = farm.best[0] node = RemoteNode.new( host: r[:host], port: r[:port], score: best.nil? ? Score::ZERO : best, idx: idx, master: master?(r[:host], r[:port]), log: log, network: @network ) begin yield node raise 'Took too long to execute' if (Time.now - start).round > @timeout unerror(r[:host], r[:port]) if node.touched rescue StandardError => e error(r[:host], r[:port]) if e.is_a?(RemoteNode::CantAssert) || e.is_a?(Fetch::Error) log.debug("#{Rainbow(node).red}: \"#{e..strip}\" in #{Age.new(start)}") else log.info("#{Rainbow(node).red}: \"#{e..strip}\" in #{Age.new(start)}") log.debug(Backtrace.new(e).to_s) end remove(r[:host], r[:port]) if r[:errors] > TOLERANCE end end end |
#master?(host, port) ⇒ Boolean
257 258 259 |
# File 'lib/zold/remotes.rb', line 257 def master?(host, port) !MASTERS.find { |r| r[0] == host && r[1].to_i == port }.nil? end |
#masters ⇒ Object
168 169 170 171 172 173 174 175 |
# File 'lib/zold/remotes.rb', line 168 def masters MASTERS.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 |
#mtime ⇒ Object
253 254 255 |
# File 'lib/zold/remotes.rb', line 253 def mtime File.exist?(@file) ? File.mtime(@file) : Time.now end |
#remove(host, port = PORT) ⇒ Object
191 192 193 194 195 196 |
# File 'lib/zold/remotes.rb', line 191 def remove(host, port = PORT) assert_host_info(host, port) modify do |list| list.reject { |r| r[:host] == host.downcase && r[:port] == port } end end |
#rescore(host, port, score) ⇒ Object
245 246 247 248 249 250 251 |
# File 'lib/zold/remotes.rb', line 245 def rescore(host, port, score) assert_host_info(host, port) raise 'Score can\'t be nil' if score.nil? raise 'Score has to be of type Integer' unless score.is_a?(Integer) if_present(host, port) { |r| r[:score] = score } unerror(host, port) end |
#unerror(host, port = PORT) ⇒ Object
238 239 240 241 242 243 |
# File 'lib/zold/remotes.rb', line 238 def unerror(host, port = PORT) assert_host_info(host, port) if_present(host, port) do |remote| remote[:errors] -= 1 if (remote[:errors]).positive? end end |