=begin
distributed Ruby --- chat server
Copyright (c) 1999-2000 Masatoshi SEKI
=end
require 'thread'
require 'drb/drb'
class ChatEntry
include DRbUndumped
def initialize(server, there)
@server = server
@there = there
@name = there.name
@key = there.key = Time.now
end
attr :name, true
attr :there
def say(str)
@server.distribute(@there, str)
end
def listen(str)
@there.message(@key, str)
end
end
class ChatServer
def initialize
@mutex = Mutex.new
@members = {}
end
def add_member(there)
client = ChatEntry.new(self, there)
@mutex.synchronize do
@members[there] = client
end
client
end
def distribute(there, str)
name = @members[there].name
msg = "<#{name}> #{str}"
msg2 = ">#{name}< #{str}"
@mutex.synchronize do
for m in @members.keys
begin
if m == there
@members[m].listen(msg2)
else
@members[m].listen(msg)
end
rescue
p $!
@members.delete(m)
end
end
end
end
end
if __FILE__ == $0
here = ARGV.shift
DRb.start_service(here, ChatServer.new)
puts DRb.uri
DRb.thread.join
end
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