modify log4 function and add data trace function

json/create_json.cpp

@@ -25,6 +25,18 @@
 #include "../json/cjson.h"
 
 #include "../log4cplus/log4.h"//lnk添加log4
+
+///////////////////////////////////////////////////////////////////////lnk20260305数据追踪相关
+#include <QHash>
+#include <QMutex>
+#include <QMutexLocker>
+#include <QMapIterator>
+#include <QStringList>
+
+// ★MOD: 全局追踪表：mp_id -> remaining times
+static QMutex g_trace_mutex;
+static QHash<QString, int> g_trace_map;
+
 ///////////////////////////////////////////////////lnk2024-10-21////////////////////////////////////////////////////////
 extern void SendJsonAPI_web(const std::string& strUrl, const char* code, const std::string& json, char** ptr);
 extern std::string WEB_INTEGRITY;
@@ -230,7 +242,106 @@ extern int isdelta_flag;//lnk2024-8-16 角型接线标志
 void connectlog_pgsql(char* id,char* datetime,int status);
 ///////////////////////////////////////////////lnk20241021替换web接口//////////////////////////////////
 
+/////////////////////////////////////////////////////////////////////////////////////////////lnk20260305数据追踪
+static QString escape_json_string(const QString& s)
+{
+    QString out = s;
+    out.replace("\\", "\\\\");
+    out.replace("\"", "\\\"");
+    out.replace("\r", "\\r");
+    out.replace("\n", "\\n");
+    out.replace("\t", "\\t");
+    return out;
+}
 
+// 打开追踪：次数 times（比如 5）
+void process_trace_command(const std::string& id, int times)
+{
+    if (times <= 0) return;
+    QString qid = QString::fromStdString(id).trimmed();
+    if (qid.isEmpty()) return;
+
+    QMutexLocker lk(&g_trace_mutex);
+    g_trace_map[qid] = times; // 重新打开就覆盖/重置次数
+}
+
+// 查询是否要追踪
+static bool trace_is_enabled(const QString& mp_id)
+{
+    QMutexLocker lk(&g_trace_mutex);
+    auto it = g_trace_map.constFind(mp_id);
+    return (it != g_trace_map.constEnd() && it.value() > 0);
+}
+
+// 命中一次并扣减；扣到 0 自动删
+static void trace_hit_and_decrement(const QString& mp_id)
+{
+    QMutexLocker lk(&g_trace_mutex);
+    auto it = g_trace_map.find(mp_id);
+    if (it == g_trace_map.end()) return;
+
+    int left = it.value();
+    left -= 1;
+    if (left <= 0) g_trace_map.erase(it);
+    else it.value() = left;
+}
+
+//追踪61850原始数据
+static QString build_mms_multiline_text(const json_block_data* data)
+{
+    QStringList lines;
+
+    QMapIterator<QString, double> it(data->mms_str_map);
+    while (it.hasNext()) {
+        it.next();
+        lines << QString("%1 = %2").arg(it.key()).arg(it.value(), 0, 'g', 15);
+    }
+
+    return lines.join("\n");
+}
+
+static QString build_trace_json(const json_block_data* data)
+{
+    if (!data) return "{}";
+
+    QString mms_text = build_mms_multiline_text(data);
+
+    QString json;
+    json += "{";
+    json += QString("\"mp_id\":\"%1\",").arg(escape_json_string(data->mp_id));
+    json += QString("\"func_type\":%1,").arg(data->func_type);
+    json += QString("\"data_time\":%1,").arg(QString::number((qlonglong)data->time));
+    json += QString("\"voltage_level\":\"%1\",").arg(QString::number(data->voltage_level, 'f', 6));
+    json += QString("\"dev_type\":\"%1\",").arg(escape_json_string(data->dev_type));
+    json += QString("\"mms_text\":\"%1\"").arg(escape_json_string(mms_text));
+    json += "}";
+
+    return json;
+}
+
+static void send_trace_if_needed(json_block_data* pdata)
+{
+    const QString mp_id_q = pdata->mp_id;
+    if (trace_is_enabled(mp_id_q)) {
+
+        // 1) 组 json
+        QString jsonText = build_trace_json(pdata);
+
+        // 2) 组 KafkaData
+        Ckafka_data_t KafkaData;
+        KafkaData.monitor_id = pdata->monitorId;
+        KafkaData.mp_id = pdata->mp_id;
+	    KafkaData.strTopic = "DATA_TRACE_TOPIC";
+        KafkaData.strText = jsonText;
+
+        kafka_data_list_mutex.lock();
+        kafka_data_list.append(KafkaData);
+        kafka_data_list_mutex.unlock();
+
+        // 3) 次数 -1
+        trace_hit_and_decrement(mp_id_q);
+    }
+}
 ////////////////////////////////////////////////////////////////////////////////////////////lnk20250710添加频率值存储
 struct mp_freq_save {
     double G_FREQ;