From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/sample/drb/dbiff.rb | 51 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 jni/ruby/sample/drb/dbiff.rb

(limited to 'jni/ruby/sample/drb/dbiff.rb')

diff --git a/jni/ruby/sample/drb/dbiff.rb b/jni/ruby/sample/drb/dbiff.rb
new file mode 100644
index 0000000..290eb1d
--- /dev/null
+++ b/jni/ruby/sample/drb/dbiff.rb
@@ -0,0 +1,51 @@
+#
+# dbiff.rb - distributed cdbiff (server)
+#  * original: cdbiff by Satoru Takabayashi <http://namazu.org/~satoru/cdbiff>
+
+require 'drb/drb'
+require 'drb/eq'
+require 'drb/observer'
+
+class Biff
+  include DRb::DRbObservable
+
+  def initialize(filename, interval)
+    super()
+    @filename = filename
+    @interval = interval
+  end
+
+  def run
+    last = Time.now
+    while true
+      begin
+        sleep(@interval)
+        current = File::mtime(@filename)
+        if current > last
+          changed
+          begin
+            notify_observers(@filename, current)
+          rescue Error
+          end
+          last = current
+        end
+      rescue
+        next
+      end
+    end
+  end
+end
+
+def main
+  filename = "/var/mail/#{ENV['USER']}"
+  interval = 15
+  uri = 'druby://:19903'
+
+  biff = Biff.new(filename, interval)
+
+  DRb.start_service(uri, biff)
+  biff.run
+end
+
+main
+
-- 
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