Update

cpp-package/inspireface/cpp/sample/api/sample_feature_hub_persistence.c

@@ -0,0 +1,52 @@
+#include <inspireface.h>
+#include <unistd.h>
+#include <stdio.h>
+
+int main(int argc, char* argv[]) {
+    if (argc != 2) {
+        HFLogPrint(HF_LOG_ERROR, "Usage: %s <pack_path>", argv[0]);
+        return -1;
+    }
+    
+    const char* packPath = argv[1];
+    HResult ret;
+    ret = HFLaunchInspireFace(packPath);
+    if (ret != HSUCCEED) {
+        HFLogPrint(HF_LOG_ERROR, "Load Resource error: %d", ret);
+        return ret;
+    }
+    const char* DBFilePath = "feature.db";
+    
+    // remove old db file
+    if (access(DBFilePath, F_OK) == 0) {
+        if (remove(DBFilePath) != 0) {
+            HFLogPrint(HF_LOG_ERROR, "Failed to remove old db file: %s", DBFilePath);
+            return -1;
+        }
+        HFLogPrint(HF_LOG_INFO, "Remove old db file: %s", DBFilePath);
+    }
+
+    HFFeatureHubConfiguration featureHubConfiguration;
+    featureHubConfiguration.primaryKeyMode = HF_PK_AUTO_INCREMENT; 
+    featureHubConfiguration.enablePersistence = 1;                 
+    featureHubConfiguration.persistenceDbPath = DBFilePath;      
+    featureHubConfiguration.searchMode = HF_SEARCH_MODE_EAGER;     
+    featureHubConfiguration.searchThreshold = 0.48f;             
+
+    ret = HFFeatureHubDataEnable(featureHubConfiguration);
+    if (ret != HSUCCEED)
+    {
+        HFLogPrint(HF_LOG_ERROR, "Enable FeatureHub failed: %d\n", ret);
+        return ret;
+    }
+    if (access(DBFilePath, F_OK) != 0) {
+        HFLogPrint(HF_LOG_ERROR, "DB file not found: %s", DBFilePath);
+        return -1;
+    }
+    HFLogPrint(HF_LOG_INFO, "DB file found: %s", DBFilePath);
+
+    // ....
+
+    HFTerminateInspireFace();
+    return 0;
+}