import from drb-2.0.4b3

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 67 insertions, 0 deletions

diff --git a/lib/drb/extserv.rb b/lib/drb/extserv.rb
new file mode 100644
index 0000000000..f05bae5264
--- /dev/null
+++ b/lib/drb/extserv.rb
@@ -0,0 +1,67 @@
+=begin
+ external service
+ 	Copyright (c) 2000,2002 Masatoshi SEKI 
+=end
+
+require 'drb/drb'
+
+module DRb
+  class ExtServ
+    include DRbUndumped
+
+    def initialize(there, name, server=nil)
+      @server = server || DRb::primary_server
+      @name = name
+      ro = DRbObject.new(nil, there)
+      @invoker = ro.regist(name, DRbObject.new(self, @server.uri))
+    end
+    attr_reader :server
+
+    def front
+      DRbObject.new(nil, @server.uri)
+    end
+
+    def stop_service
+      @invoker.unregist(@name)
+      server = @server
+      @server = nil
+      Thread.new do
+	sleep 1
+	server.stop_service
+      end
+      true
+    end
+
+    def alive?
+      @server ? @server.alive? : false
+    end
+  end
+end
+
+if __FILE__ == $0
+  class Foo
+    include DRbUndumped
+
+    def initialize(str)
+      @str = str
+    end
+
+    def hello(it)
+      "#{it}: #{self}"
+    end
+
+    def to_s
+      @str
+    end
+  end
+
+  cmd = ARGV.shift
+  case cmd
+  when 'itest1', 'itest2'
+    front = Foo.new(cmd)
+    manager = DRb::DRbServer.new(nil, front)
+    es = DRb::ExtService.new(ARGV.shift, ARGV.shift, manager)
+    es.server.thread.join
+  end
+end
+