devicesbus stage

src/message_bus/pipeline/PipelineEngine.cpp

@@ -67,6 +67,7 @@ void PipelineEngine::setPluginManager(std::shared_ptr<softbus::core::plugin_syst
     m_pluginManager = std::move(pluginManager);
 }
 
+// 管道引擎运行线程 从 ingress 队列中取出数据 进行处理 然后推送到 egress 队列中
 void PipelineEngine::run()
 {
     while (m_running.load()) {
@@ -77,9 +78,13 @@ void PipelineEngine::run()
         }
 
         const bool framed = stage1Framer(ctx);
+        // 帧解析
         const bool parsed = framed && stage2Parser(ctx);
+        // 过滤
         const bool filtered = parsed && stage3Filter(ctx);
+        // 验证
         const bool valid = filtered && stage4Validator(ctx);
+        // 如果验证失败 则记录错误
         if (!valid) {
             ++m_counters.error;
             continue;