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authorseki <seki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2004-02-14 02:28:02 +0000
committerseki <seki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2004-02-14 02:28:02 +0000
commit30ff0b6aeb64ce114257710d9a534148515164a9 (patch)
tree0406cb26ba7387c664ef8d180306804a9b27725d /sample/drb/dbiff.rb
parent0562a84558afdc085172c102a4c913bc0c2ec57d (diff)
import drb/sample
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5698 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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diff --git a/sample/drb/dbiff.rb b/sample/drb/dbiff.rb
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+#
+# 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
+