Mohammad Khan
3/27/2006 4:33:00 PM
nvm.. I found the answer from archive... I need to used DRb::UnDumped.. !!
Mohammad
On 3/27/06, Mohammad Khan <beeplove@gmail.com> wrote:
> Here is server code:
>
> #!/usr/bin/env ruby
>
> require 'drb'
>
> location = "druby://localhost:9000"
>
> class Echo
> def initialize(msg=nil)
> @msg = msg.nil? ? "No message!" : msg
> end
>
> def message
> return @msg
> end
> end
>
> class EchoServer
> def initialize
> $stdout.puts "EchoServer Started"
> end
>
> def echo(msg=nil)
> echo = Echo.new(msg)
> $stdout.puts "Returning echo and its a class of '#{echo.class}'"
> return echo
> end
> end
>
>
> begin
> server = EchoServer.new
> DRb.start_service(location, server)
> DRb.thread.join
>
> rescue Interrupt
> $stdout.puts "Thank you for using EchoServer"
>
> rescue
> raise
> end
>
>
> And Here is my client code:
>
> #!/usr/bin/env ruby
>
> require 'drb'
>
> location = "druby://localhost:9000"
>
> DRb.start_service(nil, nil)
> server = DRbObject.new(nil, location)
>
> begin
> echo = server.echo("Hello dRuby")
> puts echo.class
>
> rescue SystemCallError
> $stdout.puts "EchoServer returned SystemCallError"
>
> rescue DRb::DRbConnError
> $stdout.puts "EchoServer down ... (DRb::DRbConnError)"
>
> rescue Errno::ECONNREFUSED
> $stdout.puts "EchoServer down ... (Errno::ECONNREFUSED)"
>
> rescue
> raise
> end
>
>
> After execute client script, here is my output at server end:
>
> mkhan@mkhan:~$ ruby echoserver.rb
> EchoServer Started
> Returning echo and its a class of 'Echo'
>
> and here is the output at client end:
> mkhan@mkhan:~/project/CPCServer$ ruby echoclient.rb
> DRb::DRbUnknown
>
>
> I was expecting at client end to see 'Echo'
> What I am doing wrong?
> Any help would be greatly appreciated.
>
> Thanks,
> Mohammad
>
>