Esempi in C++ (Cpp) per wifi_get_cached_gscan_results

Esempio n. 1

File: halutil.cpp Progetto: AOSP-JF/platform_frameworks_opt_net_wifi

static wifi_error setHotlistAPsUsingScanResult(wifi_bssid_hotlist_params *params){
    printMsg("testHotlistAPs Scan started, waiting for event ...\n");
    EventInfo info;
    memset(&info, 0, sizeof(info));
    getEventFromCache(info);

    wifi_scan_result results[256];
    memset(results, 0, sizeof(wifi_scan_result) * 256);

    printMsg("Retrieving scan results for Hotlist AP setting\n");
    int num_results = 256;
    int result = wifi_get_cached_gscan_results(wlan0Handle, 1, num_results, results, &num_results);
    if (result < 0) {
        printMsg("failed to fetch scan results : %d\n", result);
        return WIFI_ERROR_UNKNOWN;
    } else {
        printMsg("fetched %d scan results\n", num_results);
    }

    for (int i = 0; i < num_results; i++) {
        printScanResult(results[i]);
    }

    for (int i = 0; i < stest_max_ap; i++) {
        memcpy(params->ap[i].bssid, results[i].bssid, sizeof(mac_addr));
        params->ap[i].low  = -htest_low_threshold;
        params->ap[i].high = -htest_high_threshold;
    }
    params->num_ap = stest_max_ap;
    return WIFI_SUCCESS;
}

Esempio n. 2

File: com_android_server_wifi_WifiNative.cpp Progetto: XperiaZProject/frameworks_opt_net_wifi

static jobject android_net_wifi_getScanResults(
        JNIEnv *env, jclass cls, jint iface, jboolean flush)  {
    
    wifi_scan_result results[256];
    int num_results = 256;
    
    wifi_interface_handle handle = getIfaceHandle(env, cls, iface);
    ALOGD("getting scan results on interface[%d] = %p", iface, handle);
    
    int result = wifi_get_cached_gscan_results(handle, 1, num_results, results, &num_results);
    if (result == WIFI_SUCCESS) {
        jclass clsScanResult = (env)->FindClass("android/net/wifi/ScanResult");
        if (clsScanResult == NULL) {
            ALOGE("Error in accessing class");
            return NULL;
        }

        jobjectArray scanResults = env->NewObjectArray(num_results, clsScanResult, NULL);
        if (scanResults == NULL) {
            ALOGE("Error in allocating array");
            return NULL;
        }

        for (int i = 0; i < num_results; i++) {

            jobject scanResult = createObject(env, "android/net/wifi/ScanResult");
            if (scanResult == NULL) {
                ALOGE("Error in creating scan result");
                return NULL;
            }

            setStringField(env, scanResult, "SSID", results[i].ssid);

            char bssid[32];
            sprintf(bssid, "%02x:%02x:%02x:%02x:%02x:%02x", results[i].bssid[0],
                    results[i].bssid[1], results[i].bssid[2], results[i].bssid[3],
                    results[i].bssid[4], results[i].bssid[5]);

            setStringField(env, scanResult, "BSSID", bssid);

            setIntField(env, scanResult, "level", results[i].rssi);
            setIntField(env, scanResult, "frequency", results[i].channel);
            setLongField(env, scanResult, "timestamp", results[i].ts);

            env->SetObjectArrayElement(scanResults, i, scanResult);
            env->DeleteLocalRef(scanResult);
        }

        return scanResults;
    } else {
        return NULL;
    }
}

Esempio n. 3

File: halutil.cpp Progetto: AOSP-JF/platform_frameworks_opt_net_wifi

static int SelectSignificantAPsFromScanResults() {
    wifi_scan_result results[256];
    memset(results, 0, sizeof(wifi_scan_result) * 256);
    printMsg("Retrieving scan results for significant wifi change setting\n");
    int num_results = 256;
    int result = wifi_get_cached_gscan_results(wlan0Handle, 1, num_results, results, &num_results);
    if (result < 0) {
        printMsg("failed to fetch scan results : %d\n", result);
        return WIFI_ERROR_UNKNOWN;
    } else {
        printMsg("fetched %d scan results\n", num_results);
    }

    for (int i = 0; i < num_results; i++) {
        printScanResult(results[i]);
    }

    wifi_significant_change_params params;
    memset(&params, 0, sizeof(params));

    params.rssi_sample_size = swctest_rssi_sample_size;
    params.lost_ap_sample_size = swctest_rssi_lost_ap;
    params.min_breaching = swctest_rssi_min_breaching;

    for (int i = 0; i < stest_max_ap; i++) {
        memcpy(params.ap[i].bssid, results[i].bssid, sizeof(mac_addr));
        params.ap[i].low  = results[i].rssi - swctest_rssi_ch_threshold;
        params.ap[i].high = results[i].rssi + swctest_rssi_ch_threshold;
    }
    params.num_ap = stest_max_ap;

    printMsg("Settting Significant change params rssi_sample_size#%d lost_ap_sample_size#%d"
        " and min_breaching#%d\n", params.rssi_sample_size,
        params.lost_ap_sample_size , params.min_breaching);
    printMsg("BSSID\t\t\tHIGH\tLOW\n");
    for (int i = 0; i < params.num_ap; i++) {
        mac_addr &addr = params.ap[i].bssid;
        printMsg("%02x:%02x:%02x:%02x:%02x:%02x\t%d\t%d\n", addr[0],
                addr[1], addr[2], addr[3], addr[4], addr[5],
                params.ap[i].high, params.ap[i].low);
    }
    wifi_significant_change_handler handler;
    memset(&handler, 0, sizeof(handler));
    handler.on_significant_change = &onSignificantWifiChange;

    int id = getNewCmdId();
    return wifi_set_significant_change_handler(id, wlan0Handle, params, handler);

}

Esempio n. 4

File: halutil.cpp Progetto: AOSP-JF/platform_frameworks_opt_net_wifi

static void retrieveScanResults() {

    wifi_scan_result results[256];
    memset(results, 0, sizeof(wifi_scan_result) * 256);
    printMsg("Retrieve Scan results available -->\n");
    int num_results = 256;
    int result = wifi_get_cached_gscan_results(wlan0Handle, 1, num_results, results, &num_results);
    if (result < 0) {
        printMsg("failed to fetch scan results : %d\n", result);
        return;
    } else {
        printMsg("fetched %d scan results\n", num_results);
    }

    printScanHeader();
    for (int i = 0; i < num_results; i++) {
        printScanResult(results[i]);
    }
}