gzuncompress
|
Server IP : 172.19.0.2 / Your IP : 216.73.216.178 Web Server : Apache/2.4 System : Linux 880f91b28fd7 5.15.0-117-generic #127~20.04.1-Ubuntu SMP Thu Jul 11 15:36:12 UTC 2024 x86_64 User : tomlinde ( 155017) PHP Version : 5.6.40 Disable Function : dl, syslog, opcache_get_status MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON Directory (0755) : /tmp/../lib/x86_64-linux-gnu/../ruby/2.7.0/drb/ |
| [ Home ] | [ C0mmand ] | [ Upload File ] | [ Lock Shell ] | [ Logout ] |
|---|
# frozen_string_literal: false
=begin
external service manager
Copyright (c) 2000 Masatoshi SEKI
=end
require_relative 'drb'
require 'monitor'
module DRb
class ExtServManager
include DRbUndumped
include MonitorMixin
@@command = {}
def self.command
@@command
end
def self.command=(cmd)
@@command = cmd
end
def initialize
super()
@cond = new_cond
@servers = {}
@waiting = []
@queue = Thread::Queue.new
@thread = invoke_thread
@uri = nil
end
attr_accessor :uri
def service(name)
synchronize do
while true
server = @servers[name]
return server if server && server.alive? # server may be `false'
invoke_service(name)
@cond.wait
end
end
end
def regist(name, ro)
synchronize do
@servers[name] = ro
@cond.signal
end
self
end
def unregist(name)
synchronize do
@servers.delete(name)
end
end
private
def invoke_thread
Thread.new do
while name = @queue.pop
invoke_service_command(name, @@command[name])
end
end
end
def invoke_service(name)
@queue.push(name)
end
def invoke_service_command(name, command)
raise "invalid command. name: #{name}" unless command
synchronize do
return if @servers.include?(name)
@servers[name] = false
end
uri = @uri || DRb.uri
if command.respond_to? :to_ary
command = command.to_ary + [uri, name]
pid = spawn(*command)
else
pid = spawn("#{command} #{uri} #{name}")
end
th = Process.detach(pid)
th[:drb_service] = name
th
end
end
end