设备占用提示

src/recognize_processor.cpp

@@ -11,6 +11,24 @@ namespace zsy
     {
         const std::string &sn = data->sn;
         const std::string &license = data->license;
+        {
+            std::lock_guard<std::mutex> lock(tasks_mutex);
+            if (tasks.contains(sn))
+            {
+                if (auto oldLicense = tasks.at(sn); oldLicense == license)
+                {
+                    LOGGER_INFO("重复识别：{}、{}", sn, oldLicense);
+                } else
+                {
+                    Application::deviceHolder->getSoundColumn(sn)->play("请等待前车业务完成后重新识别");
+                    LOGGER_INFO("当前道闸正在处理：{}、{}", sn, oldLicense);
+                }
+                return;
+            } else
+            {
+                tasks[sn] = license;
+            }
+        }
         try
         {
             std::jthread t;
@@ -31,11 +49,23 @@ namespace zsy
                 return;
             }
             addition_process(reportPassResult.data.orderNo, data);
+            {
+                std::lock_guard<std::mutex> lock(tasks_mutex);
+                tasks.erase(sn);
+            }
         } catch (std::exception &e)
         {
+            {
+                std::lock_guard<std::mutex> lock(tasks_mutex);
+                tasks.erase(sn);
+            }
             LOGGER_ERROR("车牌识别结果处理失败: {}", e.what());
         } catch (...)
         {
+            {
+                std::lock_guard<std::mutex> lock(tasks_mutex);
+                tasks.erase(sn);
+            }
             LOGGER_ERROR("未知异常，车牌识别结果处理失败");
         }
     }

src/recognize_processor.h

@@ -1,7 +1,9 @@
 #ifndef RECOGNIZE_PROCESSOR_H
 #define RECOGNIZE_PROCESSOR_H
 #include <memory>
+#include <mutex>
 #include <string>
+#include <unordered_map>
 
 #include "barrier/barrier.h"
 
@@ -11,9 +13,12 @@ namespace zsy
     class RecognizeProcessor
     {
     public:
+        inline static std::unordered_map<std::string, std::string> tasks;
+        inline static std::mutex tasks_mutex;
+
         static void process(std::shared_ptr<RecognizeData> data);
 
-        static void addition_process(const std::string &orderNo,std::shared_ptr<RecognizeData> data);
+        static void addition_process(const std::string &orderNo, std::shared_ptr<RecognizeData> data);
     };
 } // zsy