function plugin_ctx_new(sess, plug_env, sess_context)
    print("now create new ctx example-2, plugin id ", plug_env.id)
    local sessid = session.getid(sess)
    sess_context.id = 200
    print("session id is ", sessid)
    session.setid(sess, 50000)
end

function plugin_ctx_free(sess, sess_context, plug_env)
    print(sess_context.id)
    print("now begin to free ctx context example-2")
end

function free_message()
    print("free message")
end

function plugin_load(stellar, plug_env)
    print("now begin to load plugin example-2")
    plug_env.id = plugin_manage.register(stellar, plugin_ctx_new, plugin_ctx_free, plug_env)
    topic_id = message.gettopicid(stellar, "TOPIC_SESSION_STAT")
    print("get topic id is ", topic_id)
    create_id = message.gettopicid(stellar, "TOPIC_LUA_SESSION_TEST")
    if (create_id < 0)
    then
        print("no topic, create new one")
        create_table = {}
        create_id = message.createtopic(stellar, "TOPIC_LUA_SESSION_TEST", free_message, create_table)
        print("create topic is ", create_id)
    else
        print("has created, id is ", create_id)
    end
end

function plugin_unload(plug_env)
    print("now running unload plugin example-2 function, plugin id is ", plug_env.id)

end