diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/lib/drb/extservm.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/lib/drb/extservm.rb')
-rw-r--r-- | trunk/lib/drb/extservm.rb | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/trunk/lib/drb/extservm.rb b/trunk/lib/drb/extservm.rb new file mode 100644 index 0000000000..be40aea9f5 --- /dev/null +++ b/trunk/lib/drb/extservm.rb @@ -0,0 +1,89 @@ +=begin + external service manager + Copyright (c) 2000 Masatoshi SEKI +=end + +require 'drb/drb' +require 'thread' +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 = 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? + 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 true + 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 RUBY_PLATFORM =~ /mswin32/ && /NT/ =~ ENV["OS"] + system(%Q'cmd /c start "ruby" /b #{command} #{uri} #{name}') + else + system("#{command} #{uri} #{name} &") + end + end + end +end |