From 6175ca03be6d0d51359f9017123708987d0f5eb7 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 15 Aug 2007 23:23:39 +0000
Subject: add tag v1_8_5_91

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_91@13046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby_1_8_5/sample/drb/name.rb | 117 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 ruby_1_8_5/sample/drb/name.rb

(limited to 'ruby_1_8_5/sample/drb/name.rb')

diff --git a/ruby_1_8_5/sample/drb/name.rb b/ruby_1_8_5/sample/drb/name.rb
new file mode 100644
index 0000000000..86b478fbec
--- /dev/null
+++ b/ruby_1_8_5/sample/drb/name.rb
@@ -0,0 +1,117 @@
+=begin
+ distributed Ruby --- NamedObject Sample
+ 	Copyright (c) 2000-2001 Masatoshi SEKI 
+=end
+
+=begin
+How to play.
+
+* start server 
+ Terminal 1
+ | % ruby name.rb druby://yourhost:7640
+ | druby://yourhost:7640
+ | [return] to exit
+
+* start client
+ Terminal 2
+ | % ruby namec.rb druby://yourhost:7640
+ | #<DRb::DRbObject:0x40164174 @uri="druby://yourhost:7640", @ref="seq">
+ | #<DRb::DRbObject:0x40163c9c @uri="druby://yourhost:7640", @ref="mutex">
+ | 1
+ | 2
+ | [return] to continue
+
+* restart server
+ Terminal 1
+ type [return]
+ | % ruby name.rb druby://yourhost:7640
+ | druby://yourhost:7640
+ | [return] to exit
+
+* continue client 
+ Terminal 2
+ type [return] 
+ | 1
+ | 2
+=end
+
+require 'thread.rb'
+require 'drb/drb'
+
+module DRbNamedObject
+  DRbNAMEDICT = {}
+  attr_reader(:drb_name)
+
+  def drb_name=(name)
+    @drb_name = name
+    Thread.exclusive do 
+      raise(IndexError, name) if DRbNAMEDICT[name]
+      DRbNAMEDICT[name] = self
+    end
+  end
+end
+
+class DRbNamedIdConv < DRb::DRbIdConv
+  def initialize
+    @dict = DRbNamedObject::DRbNAMEDICT
+  end
+
+  def to_obj(ref)
+    @dict.fetch(ref) do super end
+  end
+
+  def to_id(obj)
+    if obj.kind_of? DRbNamedObject
+      return obj.drb_name 
+    else
+      return super
+    end
+  end
+end
+
+class Seq
+  include DRbUndumped
+  include DRbNamedObject
+
+  def initialize(v, name)
+    @counter = v
+    @mutex = Mutex.new
+    self.drb_name = name
+  end
+
+  def next_value
+    @mutex.synchronize do
+      @counter += 1
+      return @counter
+    end
+  end
+end
+
+class Front
+  def initialize
+    seq = Seq.new(0, 'seq')
+    mutex = Mutex.new
+    mutex.extend(DRbUndumped)
+    mutex.extend(DRbNamedObject)
+    mutex.drb_name = 'mutex'
+    @name = {}
+    @name['seq'] = seq
+    @name['mutex'] = mutex
+  end
+    
+  def [](k)
+    @name[k]
+  end
+end
+
+if __FILE__ == $0
+  uri = ARGV.shift
+
+  name_conv = DRbNamedIdConv.new
+  
+  DRb.install_id_conv(name_conv)
+  DRb.start_service(uri, Front.new)
+  puts DRb.uri
+  DRb.thread.join
+end
+
-- 
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