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function plugin_ctx_new(sess, plug_env, sess_context)
print("now create new ctx example topic, plugin id", plug_env.id)
sess_context.count = 0
msg = {}
msg.data = "this is message"
session_mq.publish_message(sess, plug_env.topic_id, msg)
end
function plugin_ctx_free(sess, sess_context, plug_env)
print("now begin to free ctx context example topic")
print(sess_context.count)
end
function on_message(sess, topic_id, msg, sess_context, env)
sess_context.count = sess_context.count + 1
print("topic call on message function, id", topic_id)
end
function free_message(sess, msg, private_env)
print("message need to free is", msg.data)
print("env id is ", private_env.id)
end
function plugin_load(stellar, plug_env)
print("now begin to load plugin example topic")
print("this example aims to test topic functions")
plug_env.st = stellar
plug_env.id = session_plugin.register(stellar, plugin_ctx_new, plugin_ctx_free, plug_env)
plug_env.data = "this is topic example plug env data"
--[[ 获取TCP topic, 并完成订阅 ]]
tcp_topic_id = session_mq.get_topic_id(stellar, "TCP")
print("get TCP topic id is", tcp_topic_id)
session_mq.subscribe_topic(stellar, tcp_topic_id, on_message, plug_env.id)
plug_env.tcp_topic_id = tcp_topic_id
--[[ 创建TOPIC_SESSION_STAT, 并完成函数注册 ]]
msg_private_table = {}
msg_private_table.data = "this is example topic msg private data"
test_topic_id = session_mq.get_topic_id(stellar, "TOPIC_SESSION_STAT")
if (test_topic_id < 0)
then
--[[ 该消息未创建, 创建该topic ]]
test_topic_id = session_mq.create_topic(stellar, "TOPIC_SESSION_STAT", free_message, msg_private_table)
print("create topic is", test_topic_id)
else
--[[ 如果该消息已经注册, 更新其注册函数 ]]
session_mq.update_topic(stellar, test_topic_id, free_message, msg_private_table)
print("topic already created, id is", test_topic_id)
end
plug_env.tcp_topic_id = tcp_topic_id
plug_env.topic_id = test_topic_id
end
function plugin_unload(plug_env)
print("now unload lua plugin example topic")
print("plugin env data is", plug_env.data)
print("now destory topic id is", plug_env.topic_id)
session_mq.destory_topic(plug_env.st, plug_env.topic_id)
end
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