InspireFace/cpp/sample/api/sample_feature_hub_persistence.c at master · HyperInspire/InspireFace · GitHub

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#include <inspireface.h>
#if defined(_WIN32)
#include <io.h>
#else
#include <unistd.h>
#endif
#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;
    }
    char DBFilePath[] = "feature.db";

    // remove old db file
#if defined(_WIN32)
    if (_access(DBFilePath, 0) == 0) {
#else
    if (access(DBFilePath, F_OK) == 0) {
#endif
        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 defined(_WIN32)
    if (_access(DBFilePath, 0) != 0) {
#else
    if (access(DBFilePath, F_OK) != 0) {
#endif
        HFLogPrint(HF_LOG_ERROR, "DB file not found: %s", DBFilePath);
        return -1;
    }
    HFLogPrint(HF_LOG_INFO, "DB file found: %s", DBFilePath);

    // ....

    HFTerminateInspireFace();
    return 0;
}