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Contents
# frozen_string_literal: true
# Copyright (c) 2018 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
require 'futex'
require_relative 'log'
# Sync collection of wallets.
# Author:: Yegor Bugayenko (yegor256@gmail.com)
# Copyright:: Copyright (c) 2018 Yegor Bugayenko
# License:: MIT
module Zold
# Synchronized collection of wallets
class SyncWallets
def initialize(wallets, timeout: 30, log: Log::NULL, dir: wallets.path)
@wallets = wallets
@log = log
@timeout = timeout
@dir = dir
end
def to_s
@wallets.to_s
end
def path
@wallets.path
end
def all
@wallets.all
end
def acq(id, exclusive: false)
@wallets.acq(id, exclusive: exclusive) do |wallet|
Futex.new(wallet.path, log: @log, lock: File.join(@dir, "#{id}.lock")).open(exclusive) do
yield wallet
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems