【新增】example测试代码

example/plugin/example_plugin-1.lua

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+function plugin_ctx_new(sess, plug_env, sess_context)
+    print("now begin to create new ctx context example-1")
+    print(plug_env.data)
+    sess_context.id = 100
+end
+
+function plugin_ctx_free(sess, sess_context, plug_env)
+    print("now begin to free ctx context example-1")
+    print(sess_context.id)
+end
+
+function plugin_load(stellar, plug_env)
+    print("now begin to load plugin example-1")
+    plug_env.data = "my example-1 plugin env"
+    plug_env.newid = 1000
+    plug_env.id = plugin_manage.register(stellar, plugin_ctx_new, plugin_ctx_free, plug_env)
+    plug_env.messid = 100
+end
+
+function plugin_unload(plug_env)
+    print("now running unload plugin example-1 function")
+    -- print(plug_env.__penv_pointer)
+    -- print(plug_env.data)
+    -- print(plug_env.newid)
+    -- print(plug_env.messid)
+end

example/plugin/example_plugin-2.lua

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+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