agnet_test.lua

local agent = require "agent"

a = agent.create(function (self)
    self:listen {
        login = function (self)
            self:listen {
                username = function(self , ...)
                    print("username", ...)
                    self:listen {
                        password = function(self, ...)
                            print("password", ...)
                            self:quit()
                        end
                    }
                    self:quit()
                end ,
            }
        end,
        ok = function (self)
            self:quit()
        end,
    }
    print "login ok"
    local q = 0
    self:listen {
        chat = function (self, ...)
            print("chat", ...)
        end,
        question = function (self , ...)
            print("question", ...)
            local answer = "answer" .. q
            q = q+1
            self:fork {
                [answer] = function (self, ...)
                    print("answer", ...)
                    self:quit()
                end
            }
        end,
    }
end)

a:send("login")
a:send("username","alice")
a:send("username","bob")
a:send("password","xxx")
a:send("login")
a:send("username","bob")
a:send("password","yyy")
a:send("chat","foobar")
a:send("ok")

a:send("chat", "hello")
a:send("question","?0")
a:send("chat", "world")
a:send("question","?1")
a:send("answer0","!0")
a:send("answer1","!1")