code:
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#define LOG_NDEBUG 0
#define LOG_TAG "LocSvc_GeofenceApiClient"

#include <log_util.h>
#include <loc_cfg.h>

#include "LocationUtil.h"
#include "GeofenceAPIClient.h"

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

using ::android::hardware::gnss::V1_0::IGnssGeofenceCallback;
using ::android::hardware::gnss::V1_0::GnssLocation;

GeofenceAPIClient::GeofenceAPIClient(const sp<IGnssGeofenceCallback>& callback) :
    LocationAPIClientBase(),
    mGnssGeofencingCbIface(callback)
{
    LOC_LOGD("%s]: (%p)", __FUNCTION__, &callback);

    LocationCallbacks locationCallbacks;
    memset(&locationCallbacks, 0, sizeof(LocationCallbacks));
    locationCallbacks.size = sizeof(LocationCallbacks);

    locationCallbacks.trackingCb = nullptr;
    locationCallbacks.batchingCb = nullptr;

    locationCallbacks.geofenceBreachCb = nullptr;
    if (mGnssGeofencingCbIface != nullptr) {
        locationCallbacks.geofenceBreachCb =
            [this](GeofenceBreachNotification geofenceBreachNotification) {
                onGeofenceBreachCb(geofenceBreachNotification);
            };

        locationCallbacks.geofenceStatusCb =
            [this](GeofenceStatusNotification geofenceStatusNotification) {
                onGeofenceStatusCb(geofenceStatusNotification);
            };
    }

    locationCallbacks.gnssLocationInfoCb = nullptr;
    locationCallbacks.gnssNiCb = nullptr;
    locationCallbacks.gnssSvCb = nullptr;
    locationCallbacks.gnssNmeaCb = nullptr;
    locationCallbacks.gnssMeasurementsCb = nullptr;

    locAPISetCallbacks(locationCallbacks);
}

void GeofenceAPIClient::geofenceAdd(uint32_t geofence_id, double latitude, double longitude,
        double radius_meters, int32_t last_transition, int32_t monitor_transitions,
        uint32_t notification_responsiveness_ms, uint32_t unknown_timer_ms)
{
    LOC_LOGD("%s]: (%d %f %f %f %d %d %d %d)", __FUNCTION__,
            geofence_id, latitude, longitude, radius_meters,
            last_transition, monitor_transitions, notification_responsiveness_ms, unknown_timer_ms);

    GeofenceOption options;
    memset(&options, 0, sizeof(GeofenceOption));
    options.size = sizeof(GeofenceOption);
    if (monitor_transitions & IGnssGeofenceCallback::GeofenceTransition::ENTERED)
        options.breachTypeMask |= GEOFENCE_BREACH_ENTER_BIT;
    if (monitor_transitions & IGnssGeofenceCallback::GeofenceTransition::EXITED)
        options.breachTypeMask |=  GEOFENCE_BREACH_EXIT_BIT;
    options.responsiveness = notification_responsiveness_ms;

    GeofenceInfo data;
    data.size = sizeof(GeofenceInfo);
    data.latitude = latitude;
    data.longitude = longitude;
    data.radius = radius_meters;

    LocationError err = (LocationError)locAPIAddGeofences(1, &geofence_id, &options, &data);
    if (LOCATION_ERROR_SUCCESS != err) {
        onAddGeofencesCb(1, &err, &geofence_id);
    }
}

void GeofenceAPIClient::geofencePause(uint32_t geofence_id)
{
    LOC_LOGD("%s]: (%d)", __FUNCTION__, geofence_id);
    locAPIPauseGeofences(1, &geofence_id);
}

void GeofenceAPIClient::geofenceResume(uint32_t geofence_id, int32_t monitor_transitions)
{
    LOC_LOGD("%s]: (%d %d)", __FUNCTION__, geofence_id, monitor_transitions);
    GeofenceBreachTypeMask mask = 0;
    if (monitor_transitions & IGnssGeofenceCallback::GeofenceTransition::ENTERED)
        mask |= GEOFENCE_BREACH_ENTER_BIT;
    if (monitor_transitions & IGnssGeofenceCallback::GeofenceTransition::EXITED)
        mask |=  GEOFENCE_BREACH_EXIT_BIT;
    locAPIResumeGeofences(1, &geofence_id, &mask);
}

void GeofenceAPIClient::geofenceRemove(uint32_t geofence_id)
{
    LOC_LOGD("%s]: (%d)", __FUNCTION__, geofence_id);
    locAPIRemoveGeofences(1, &geofence_id);
}

void GeofenceAPIClient::geofenceRemoveAll()
{
    LOC_LOGD("%s]", __FUNCTION__);
    // TODO locAPIRemoveAllGeofences();
}

// callbacks
void GeofenceAPIClient::onGeofenceBreachCb(GeofenceBreachNotification geofenceBreachNotification)
{
    LOC_LOGD("%s]: (%zu)", __FUNCTION__, geofenceBreachNotification.count);
    if (mGnssGeofencingCbIface != nullptr) {
        for (size_t i = 0; i < geofenceBreachNotification.count; i++) {
            GnssLocation gnssLocation;
            convertGnssLocation(geofenceBreachNotification.location, gnssLocation);

            IGnssGeofenceCallback::GeofenceTransition transition;
            if (geofenceBreachNotification.type == GEOFENCE_BREACH_ENTER)
                transition = IGnssGeofenceCallback::GeofenceTransition::ENTERED;
            else if (geofenceBreachNotification.type == GEOFENCE_BREACH_EXIT)
                transition = IGnssGeofenceCallback::GeofenceTransition::EXITED;
            else {
                // continue with other breach if transition is
                // nether GPS_GEOFENCE_ENTERED nor GPS_GEOFENCE_EXITED
                continue;
            }

            auto r = mGnssGeofencingCbIface->gnssGeofenceTransitionCb(
                    geofenceBreachNotification.ids[i], gnssLocation, transition,
                    static_cast<V1_0::GnssUtcTime>(geofenceBreachNotification.timestamp));
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from gnssGeofenceTransitionCb description=%s",
                    __func__, r.description().c_str());
            }
        }
    }
}

void GeofenceAPIClient::onGeofenceStatusCb(GeofenceStatusNotification geofenceStatusNotification)
{
    LOC_LOGD("%s]: (%d)", __FUNCTION__, geofenceStatusNotification.available);
    if (mGnssGeofencingCbIface != nullptr) {
        IGnssGeofenceCallback::GeofenceAvailability status =
            IGnssGeofenceCallback::GeofenceAvailability::UNAVAILABLE;
        if (geofenceStatusNotification.available == GEOFENCE_STATUS_AVAILABILE_YES) {
            status = IGnssGeofenceCallback::GeofenceAvailability::AVAILABLE;
        }
        GnssLocation gnssLocation;
        memset(&gnssLocation, 0, sizeof(GnssLocation));
        auto r = mGnssGeofencingCbIface->gnssGeofenceStatusCb(status, gnssLocation);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssGeofenceStatusCb description=%s",
                __func__, r.description().c_str());
        }
    }
}

void GeofenceAPIClient::onAddGeofencesCb(size_t count, LocationError* errors, uint32_t* ids)
{
    LOC_LOGD("%s]: (%zu)", __FUNCTION__, count);
    if (mGnssGeofencingCbIface != nullptr) {
        for (size_t i = 0; i < count; i++) {
            IGnssGeofenceCallback::GeofenceStatus status =
                IGnssGeofenceCallback::GeofenceStatus::ERROR_GENERIC;
            if (errors[i] == LOCATION_ERROR_SUCCESS)
                status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
            else if (errors[i] == LOCATION_ERROR_ID_EXISTS)
                status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_EXISTS;
            auto r = mGnssGeofencingCbIface->gnssGeofenceAddCb(ids[i], status);
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from gnssGeofenceAddCb description=%s",
                    __func__, r.description().c_str());
            }
        }
    }
}

void GeofenceAPIClient::onRemoveGeofencesCb(size_t count, LocationError* errors, uint32_t* ids)
{
    LOC_LOGD("%s]: (%zu)", __FUNCTION__, count);
    if (mGnssGeofencingCbIface != nullptr) {
        for (size_t i = 0; i < count; i++) {
            IGnssGeofenceCallback::GeofenceStatus status =
                IGnssGeofenceCallback::GeofenceStatus::ERROR_GENERIC;
            if (errors[i] == LOCATION_ERROR_SUCCESS)
                status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
            else if (errors[i] == LOCATION_ERROR_ID_UNKNOWN)
                status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_UNKNOWN;
            auto r = mGnssGeofencingCbIface->gnssGeofenceRemoveCb(ids[i], status);
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from gnssGeofenceRemoveCb description=%s",
                    __func__, r.description().c_str());
            }
        }
    }
}

void GeofenceAPIClient::onPauseGeofencesCb(size_t count, LocationError* errors, uint32_t* ids)
{
    LOC_LOGD("%s]: (%zu)", __FUNCTION__, count);
    if (mGnssGeofencingCbIface != nullptr) {
        for (size_t i = 0; i < count; i++) {
            IGnssGeofenceCallback::GeofenceStatus status =
                IGnssGeofenceCallback::GeofenceStatus::ERROR_GENERIC;
            if (errors[i] == LOCATION_ERROR_SUCCESS)
                status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
            else if (errors[i] == LOCATION_ERROR_ID_UNKNOWN)
                status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_UNKNOWN;
            auto r = mGnssGeofencingCbIface->gnssGeofencePauseCb(ids[i], status);
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from gnssGeofencePauseCb description=%s",
                    __func__, r.description().c_str());
            }
        }
    }
}

void GeofenceAPIClient::onResumeGeofencesCb(size_t count, LocationError* errors, uint32_t* ids)
{
    LOC_LOGD("%s]: (%zu)", __FUNCTION__, count);
    if (mGnssGeofencingCbIface != nullptr) {
        for (size_t i = 0; i < count; i++) {
            IGnssGeofenceCallback::GeofenceStatus status =
                IGnssGeofenceCallback::GeofenceStatus::ERROR_GENERIC;
            if (errors[i] == LOCATION_ERROR_SUCCESS)
                status = IGnssGeofenceCallback::GeofenceStatus::OPERATION_SUCCESS;
            else if (errors[i] == LOCATION_ERROR_ID_UNKNOWN)
                status = IGnssGeofenceCallback::GeofenceStatus::ERROR_ID_UNKNOWN;
            auto r = mGnssGeofencingCbIface->gnssGeofenceResumeCb(ids[i], status);
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from gnssGeofenceResumeCb description=%s",
                    __func__, r.description().c_str());
            }
        }
    }
}

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android


code:
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef GEOFENCE_API_CLINET_H
#define GEOFENCE_API_CLINET_H

#include <android/hardware/gnss/1.0/IGnssGeofenceCallback.h>
#include <LocationAPIClientBase.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

using ::android::sp;

class GeofenceAPIClient : public LocationAPIClientBase
{
public:
    GeofenceAPIClient(const sp<V1_0::IGnssGeofenceCallback>& callback);

    void geofenceAdd(uint32_t geofence_id, double latitude, double longitude,
            double radius_meters, int32_t last_transition, int32_t monitor_transitions,
            uint32_t notification_responsiveness_ms, uint32_t unknown_timer_ms);
    void geofencePause(uint32_t geofence_id);
    void geofenceResume(uint32_t geofence_id, int32_t monitor_transitions);
    void geofenceRemove(uint32_t geofence_id);
    void geofenceRemoveAll();

    // callbacks
    void onGeofenceBreachCb(GeofenceBreachNotification geofenceBreachNotification) final;
    void onGeofenceStatusCb(GeofenceStatusNotification geofenceStatusNotification) final;
    void onAddGeofencesCb(size_t count, LocationError* errors, uint32_t* ids) final;
    void onRemoveGeofencesCb(size_t count, LocationError* errors, uint32_t* ids) final;
    void onPauseGeofencesCb(size_t count, LocationError* errors, uint32_t* ids) final;
    void onResumeGeofencesCb(size_t count, LocationError* errors, uint32_t* ids) final;

private:
    virtual ~GeofenceAPIClient() = default;

    sp<V1_0::IGnssGeofenceCallback> mGnssGeofencingCbIface;
};

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android
#endif // GEOFENCE_API_CLINET_H

license: unknown


code:
/* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#define LOG_NDEBUG 0
#define LOG_TAG "LocSvc_GnssAPIClient"
#define SINGLE_SHOT_MIN_TRACKING_INTERVAL_MSEC (590 * 60 * 60 * 1000) // 590 hours

#include <inttypes.h>
#include <log_util.h>
#include <loc_cfg.h>

#include "LocationUtil.h"
#include "GnssAPIClient.h"
#include <LocContext.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

using ::android::hardware::gnss::V1_0::IGnss;
using ::android::hardware::gnss::V1_0::IGnssCallback;
using ::android::hardware::gnss::V1_0::IGnssNiCallback;
using ::android::hardware::gnss::V1_0::GnssLocation;

static void convertGnssSvStatus(GnssSvNotification& in, IGnssCallback::GnssSvStatus& out);

GnssAPIClient::GnssAPIClient(const sp<IGnssCallback>& gpsCb,
    const sp<IGnssNiCallback>& niCb) :
    LocationAPIClientBase(),
    mGnssCbIface(nullptr),
    mGnssNiCbIface(nullptr),
    mControlClient(new LocationAPIControlClient()),
    mLocationCapabilitiesMask(0),
    mLocationCapabilitiesCached(false)
{
    LOC_LOGD("%s]: (%p %p)", __FUNCTION__, &gpsCb, &niCb);

    // set default LocationOptions.
    memset(&mTrackingOptions, 0, sizeof(TrackingOptions));
    mTrackingOptions.size = sizeof(TrackingOptions);
    mTrackingOptions.minInterval = 1000;
    mTrackingOptions.minDistance = 0;
    mTrackingOptions.mode = GNSS_SUPL_MODE_STANDALONE;

    gnssUpdateCallbacks(gpsCb, niCb);
}

GnssAPIClient::~GnssAPIClient()
{
    LOC_LOGD("%s]: ()", __FUNCTION__);
    if (mControlClient) {
        delete mControlClient;
        mControlClient = nullptr;
    }
}

// for GpsInterface
void GnssAPIClient::gnssUpdateCallbacks(const sp<IGnssCallback>& gpsCb,
    const sp<IGnssNiCallback>& niCb)
{
    LOC_LOGD("%s]: (%p %p)", __FUNCTION__, &gpsCb, &niCb);

    mMutex.lock();
    mGnssCbIface = gpsCb;
    mGnssNiCbIface = niCb;
    mMutex.unlock();

    LocationCallbacks locationCallbacks;
    memset(&locationCallbacks, 0, sizeof(LocationCallbacks));
    locationCallbacks.size = sizeof(LocationCallbacks);

    locationCallbacks.trackingCb = nullptr;
    if (mGnssCbIface != nullptr) {
        locationCallbacks.trackingCb = [this](Location location) {
            onTrackingCb(location);
        };
    }

    locationCallbacks.batchingCb = nullptr;
    locationCallbacks.geofenceBreachCb = nullptr;
    locationCallbacks.geofenceStatusCb = nullptr;
    locationCallbacks.gnssLocationInfoCb = nullptr;

    locationCallbacks.gnssNiCb = nullptr;
    loc_core::ContextBase* context =
            loc_core::LocContext::getLocContext(loc_core::LocContext::mLocationHalName);
    if (mGnssNiCbIface != nullptr && !context->hasAgpsExtendedCapabilities()) {
        LOC_LOGD("Registering NI CB");
        locationCallbacks.gnssNiCb = [this](uint32_t id, GnssNiNotification gnssNiNotification) {
            onGnssNiCb(id, gnssNiNotification);
        };
    }

    locationCallbacks.gnssSvCb = nullptr;
    if (mGnssCbIface != nullptr) {
        locationCallbacks.gnssSvCb = [this](GnssSvNotification gnssSvNotification) {
            onGnssSvCb(gnssSvNotification);
        };
    }

    locationCallbacks.gnssNmeaCb = nullptr;
    if (mGnssCbIface != nullptr) {
        locationCallbacks.gnssNmeaCb = [this](GnssNmeaNotification gnssNmeaNotification) {
            onGnssNmeaCb(gnssNmeaNotification);
        };
    }

    locationCallbacks.gnssMeasurementsCb = nullptr;

    locAPISetCallbacks(locationCallbacks);
}

bool GnssAPIClient::gnssStart()
{
    LOC_LOGD("%s]: ()", __FUNCTION__);
    bool retVal = true;
    locAPIStartTracking(mTrackingOptions);
    return retVal;
}

bool GnssAPIClient::gnssStop()
{
    LOC_LOGD("%s]: ()", __FUNCTION__);
    bool retVal = true;
    locAPIStopTracking();
    return retVal;
}

bool GnssAPIClient::gnssSetPositionMode(IGnss::GnssPositionMode mode,
        IGnss::GnssPositionRecurrence recurrence, uint32_t minIntervalMs,
        uint32_t preferredAccuracyMeters, uint32_t preferredTimeMs,
        GnssPowerMode powerMode, uint32_t timeBetweenMeasurement)
{
    LOC_LOGD("%s]: (%d %d %d %d %d %d %d)", __FUNCTION__,
            (int)mode, recurrence, minIntervalMs, preferredAccuracyMeters,
            preferredTimeMs, (int)powerMode, timeBetweenMeasurement);
    bool retVal = true;
    memset(&mTrackingOptions, 0, sizeof(TrackingOptions));
    mTrackingOptions.size = sizeof(TrackingOptions);
    mTrackingOptions.minInterval = minIntervalMs;
    if (IGnss::GnssPositionMode::MS_ASSISTED == mode ||
            IGnss::GnssPositionRecurrence::RECURRENCE_SINGLE == recurrence) {
        // We set a very large interval to simulate SINGLE mode. Once we report a fix,
        // the caller should take the responsibility to stop the session.
        // For MSA, we always treat it as SINGLE mode.
        mTrackingOptions.minInterval = SINGLE_SHOT_MIN_TRACKING_INTERVAL_MSEC;
    }
    if (mode == IGnss::GnssPositionMode::STANDALONE)
        mTrackingOptions.mode = GNSS_SUPL_MODE_STANDALONE;
    else if (mode == IGnss::GnssPositionMode::MS_BASED)
        mTrackingOptions.mode = GNSS_SUPL_MODE_MSB;
    else if (mode ==  IGnss::GnssPositionMode::MS_ASSISTED)
        mTrackingOptions.mode = GNSS_SUPL_MODE_MSA;
    else {
        LOC_LOGD("%s]: invalid GnssPositionMode: %d", __FUNCTION__, (int)mode);
        retVal = false;
    }
    if (GNSS_POWER_MODE_INVALID != powerMode) {
        mTrackingOptions.powerMode = powerMode;
        mTrackingOptions.tbm = timeBetweenMeasurement;
    }
    locAPIUpdateTrackingOptions(mTrackingOptions);
    return retVal;
}

// for GpsNiInterface
void GnssAPIClient::gnssNiRespond(int32_t notifId,
        IGnssNiCallback::GnssUserResponseType userResponse)
{
    LOC_LOGD("%s]: (%d %d)", __FUNCTION__, notifId, static_cast<int>(userResponse));
    GnssNiResponse data;
    switch (userResponse) {
    case IGnssNiCallback::GnssUserResponseType::RESPONSE_ACCEPT:
        data = GNSS_NI_RESPONSE_ACCEPT;
        break;
    case IGnssNiCallback::GnssUserResponseType::RESPONSE_DENY:
        data = GNSS_NI_RESPONSE_DENY;
        break;
    case IGnssNiCallback::GnssUserResponseType::RESPONSE_NORESP:
        data = GNSS_NI_RESPONSE_NO_RESPONSE;
        break;
    default:
        data = GNSS_NI_RESPONSE_IGNORE;
        break;
    }

    locAPIGnssNiResponse(notifId, data);
}

// these apis using LocationAPIControlClient
void GnssAPIClient::gnssDeleteAidingData(IGnss::GnssAidingData aidingDataFlags)
{
    LOC_LOGD("%s]: (%02hx)", __FUNCTION__, aidingDataFlags);
    if (mControlClient == nullptr) {
        return;
    }
    GnssAidingData data;
    memset(&data, 0, sizeof (GnssAidingData));
    data.sv.svTypeMask = GNSS_AIDING_DATA_SV_TYPE_GPS_BIT |
        GNSS_AIDING_DATA_SV_TYPE_GLONASS_BIT |
        GNSS_AIDING_DATA_SV_TYPE_QZSS_BIT |
        GNSS_AIDING_DATA_SV_TYPE_BEIDOU_BIT |
        GNSS_AIDING_DATA_SV_TYPE_GALILEO_BIT;
    data.posEngineMask = STANDARD_POSITIONING_ENGINE;

    if (aidingDataFlags == IGnss::GnssAidingData::DELETE_ALL)
        data.deleteAll = true;
    else {
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_EPHEMERIS)
            data.sv.svMask |= GNSS_AIDING_DATA_SV_EPHEMERIS_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_ALMANAC)
            data.sv.svMask |= GNSS_AIDING_DATA_SV_ALMANAC_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_POSITION)
            data.common.mask |= GNSS_AIDING_DATA_COMMON_POSITION_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_TIME)
            data.common.mask |= GNSS_AIDING_DATA_COMMON_TIME_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_IONO)
            data.sv.svMask |= GNSS_AIDING_DATA_SV_IONOSPHERE_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_UTC)
            data.common.mask |= GNSS_AIDING_DATA_COMMON_UTC_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_HEALTH)
            data.sv.svMask |= GNSS_AIDING_DATA_SV_HEALTH_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_SVDIR)
            data.sv.svMask |= GNSS_AIDING_DATA_SV_DIRECTION_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_SVSTEER)
            data.sv.svMask |= GNSS_AIDING_DATA_SV_STEER_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_SADATA)
            data.sv.svMask |= GNSS_AIDING_DATA_SV_SA_DATA_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_RTI)
            data.common.mask |= GNSS_AIDING_DATA_COMMON_RTI_BIT;
        if (aidingDataFlags & IGnss::GnssAidingData::DELETE_CELLDB_INFO)
            data.common.mask |= GNSS_AIDING_DATA_COMMON_CELLDB_BIT;
    }
    mControlClient->locAPIGnssDeleteAidingData(data);
}

void GnssAPIClient::gnssEnable(LocationTechnologyType techType)
{
    LOC_LOGD("%s]: (%0d)", __FUNCTION__, techType);
    if (mControlClient == nullptr) {
        return;
    }
    mControlClient->locAPIEnable(techType);
}

void GnssAPIClient::gnssDisable()
{
    LOC_LOGD("%s]: ()", __FUNCTION__);
    if (mControlClient == nullptr) {
        return;
    }
    mControlClient->locAPIDisable();
}

void GnssAPIClient::gnssConfigurationUpdate(const GnssConfig& gnssConfig)
{
    LOC_LOGD("%s]: (%02x)", __FUNCTION__, gnssConfig.flags);
    if (mControlClient == nullptr) {
        return;
    }
    mControlClient->locAPIGnssUpdateConfig(gnssConfig);
}

void GnssAPIClient::requestCapabilities() {
    // only send capablities if it's already cached, otherwise the first time LocationAPI
    // is initialized, capabilities will be sent by LocationAPI
    if (mLocationCapabilitiesCached) {
        onCapabilitiesCb(mLocationCapabilitiesMask);
    }
}

// callbacks
void GnssAPIClient::onCapabilitiesCb(LocationCapabilitiesMask capabilitiesMask)
{
    LOC_LOGD("%s]: (%" PRIu64 ")", __FUNCTION__, capabilitiesMask);
    mLocationCapabilitiesMask = capabilitiesMask;
    mLocationCapabilitiesCached = true;

    mMutex.lock();
    auto gnssCbIface(mGnssCbIface);
    mMutex.unlock();

    if (gnssCbIface != nullptr) {
        uint32_t data = 0;
        if ((capabilitiesMask & LOCATION_CAPABILITIES_TIME_BASED_TRACKING_BIT) ||
                (capabilitiesMask & LOCATION_CAPABILITIES_TIME_BASED_BATCHING_BIT) ||
                (capabilitiesMask & LOCATION_CAPABILITIES_DISTANCE_BASED_TRACKING_BIT) ||
                (capabilitiesMask & LOCATION_CAPABILITIES_DISTANCE_BASED_BATCHING_BIT))
            data |= IGnssCallback::Capabilities::SCHEDULING;
        if (capabilitiesMask & LOCATION_CAPABILITIES_GEOFENCE_BIT)
            data |= IGnssCallback::Capabilities::GEOFENCING;
        if (capabilitiesMask & LOCATION_CAPABILITIES_GNSS_MEASUREMENTS_BIT)
            data |= IGnssCallback::Capabilities::MEASUREMENTS;
        if (capabilitiesMask & LOCATION_CAPABILITIES_GNSS_MSB_BIT)
            data |= IGnssCallback::Capabilities::MSB;
        if (capabilitiesMask & LOCATION_CAPABILITIES_GNSS_MSA_BIT)
            data |= IGnssCallback::Capabilities::MSA;
        auto r = gnssCbIface->gnssSetCapabilitesCb(data);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssSetCapabilitesCb description=%s",
                __func__, r.description().c_str());
        }
    }
    if (gnssCbIface != nullptr) {
        IGnssCallback::GnssSystemInfo gnssInfo = { .yearOfHw = 2015 };

        if (capabilitiesMask & LOCATION_CAPABILITIES_GNSS_MEASUREMENTS_BIT) {
            gnssInfo.yearOfHw++; // 2016
            if (capabilitiesMask & LOCATION_CAPABILITIES_DEBUG_NMEA_BIT) {
                gnssInfo.yearOfHw++; // 2017
                if (capabilitiesMask & LOCATION_CAPABILITIES_CONSTELLATION_ENABLEMENT_BIT ||
                    capabilitiesMask & LOCATION_CAPABILITIES_AGPM_BIT) {
                    gnssInfo.yearOfHw++; // 2018
                }
            }
        }
        LOC_LOGV("%s:%d] set_system_info_cb (%d)", __FUNCTION__, __LINE__, gnssInfo.yearOfHw);
        auto r = gnssCbIface->gnssSetSystemInfoCb(gnssInfo);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssSetSystemInfoCb description=%s",
                __func__, r.description().c_str());
        }
    }
}

void GnssAPIClient::onTrackingCb(Location location)
{
    LOC_LOGD("%s]: (flags: %02x)", __FUNCTION__, location.flags);
    mMutex.lock();
    auto gnssCbIface(mGnssCbIface);
    mMutex.unlock();

    if (gnssCbIface != nullptr) {
        GnssLocation gnssLocation;
        convertGnssLocation(location, gnssLocation);
        auto r = gnssCbIface->gnssLocationCb(gnssLocation);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssLocationCb description=%s",
                __func__, r.description().c_str());
        }
    }
}

void GnssAPIClient::onGnssNiCb(uint32_t id, GnssNiNotification gnssNiNotification)
{
    LOC_LOGD("%s]: (id: %d)", __FUNCTION__, id);
    mMutex.lock();
    auto gnssNiCbIface(mGnssNiCbIface);
    mMutex.unlock();

    if (gnssNiCbIface == nullptr) {
        LOC_LOGE("%s]: mGnssNiCbIface is nullptr", __FUNCTION__);
        return;
    }

    IGnssNiCallback::GnssNiNotification notificationGnss = {};

    notificationGnss.notificationId = id;

    if (gnssNiNotification.type == GNSS_NI_TYPE_VOICE)
        notificationGnss.niType = IGnssNiCallback::GnssNiType::VOICE;
    else if (gnssNiNotification.type == GNSS_NI_TYPE_SUPL)
        notificationGnss.niType = IGnssNiCallback::GnssNiType::UMTS_SUPL;
    else if (gnssNiNotification.type == GNSS_NI_TYPE_CONTROL_PLANE)
        notificationGnss.niType = IGnssNiCallback::GnssNiType::UMTS_CTRL_PLANE;
    else if (gnssNiNotification.type == GNSS_NI_TYPE_EMERGENCY_SUPL)
        notificationGnss.niType = IGnssNiCallback::GnssNiType::EMERGENCY_SUPL;

    if (gnssNiNotification.options & GNSS_NI_OPTIONS_NOTIFICATION_BIT)
        notificationGnss.notifyFlags |= IGnssNiCallback::GnssNiNotifyFlags::NEED_NOTIFY;
    if (gnssNiNotification.options & GNSS_NI_OPTIONS_VERIFICATION_BIT)
        notificationGnss.notifyFlags |= IGnssNiCallback::GnssNiNotifyFlags::NEED_VERIFY;
    if (gnssNiNotification.options & GNSS_NI_OPTIONS_PRIVACY_OVERRIDE_BIT)
        notificationGnss.notifyFlags |= IGnssNiCallback::GnssNiNotifyFlags::PRIVACY_OVERRIDE;

    notificationGnss.timeoutSec = gnssNiNotification.timeout;

    if (gnssNiNotification.timeoutResponse == GNSS_NI_RESPONSE_ACCEPT)
        notificationGnss.defaultResponse = IGnssNiCallback::GnssUserResponseType::RESPONSE_ACCEPT;
    else if (gnssNiNotification.timeoutResponse == GNSS_NI_RESPONSE_DENY)
        notificationGnss.defaultResponse = IGnssNiCallback::GnssUserResponseType::RESPONSE_DENY;
    else if (gnssNiNotification.timeoutResponse == GNSS_NI_RESPONSE_NO_RESPONSE ||
            gnssNiNotification.timeoutResponse == GNSS_NI_RESPONSE_IGNORE)
        notificationGnss.defaultResponse = IGnssNiCallback::GnssUserResponseType::RESPONSE_NORESP;

    notificationGnss.requestorId = gnssNiNotification.requestor;

    notificationGnss.notificationMessage = gnssNiNotification.message;

    if (gnssNiNotification.requestorEncoding == GNSS_NI_ENCODING_TYPE_NONE)
        notificationGnss.requestorIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_NONE;
    else if (gnssNiNotification.requestorEncoding == GNSS_NI_ENCODING_TYPE_GSM_DEFAULT)
        notificationGnss.requestorIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_SUPL_GSM_DEFAULT;
    else if (gnssNiNotification.requestorEncoding == GNSS_NI_ENCODING_TYPE_UTF8)
        notificationGnss.requestorIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_SUPL_UTF8;
    else if (gnssNiNotification.requestorEncoding == GNSS_NI_ENCODING_TYPE_UCS2)
        notificationGnss.requestorIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_SUPL_UCS2;

    if (gnssNiNotification.messageEncoding == GNSS_NI_ENCODING_TYPE_NONE)
        notificationGnss.notificationIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_NONE;
    else if (gnssNiNotification.messageEncoding == GNSS_NI_ENCODING_TYPE_GSM_DEFAULT)
        notificationGnss.notificationIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_SUPL_GSM_DEFAULT;
    else if (gnssNiNotification.messageEncoding == GNSS_NI_ENCODING_TYPE_UTF8)
        notificationGnss.notificationIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_SUPL_UTF8;
    else if (gnssNiNotification.messageEncoding == GNSS_NI_ENCODING_TYPE_UCS2)
        notificationGnss.notificationIdEncoding =
            IGnssNiCallback::GnssNiEncodingType::ENC_SUPL_UCS2;

    gnssNiCbIface->niNotifyCb(notificationGnss);
}

void GnssAPIClient::onGnssSvCb(GnssSvNotification gnssSvNotification)
{
    LOC_LOGD("%s]: (count: %zu)", __FUNCTION__, gnssSvNotification.count);
    mMutex.lock();
    auto gnssCbIface(mGnssCbIface);
    mMutex.unlock();

    if (gnssCbIface != nullptr) {
        IGnssCallback::GnssSvStatus svStatus;
        convertGnssSvStatus(gnssSvNotification, svStatus);
        auto r = gnssCbIface->gnssSvStatusCb(svStatus);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssSvStatusCb description=%s",
                __func__, r.description().c_str());
        }
    }
}

void GnssAPIClient::onGnssNmeaCb(GnssNmeaNotification gnssNmeaNotification)
{
    mMutex.lock();
    auto gnssCbIface(mGnssCbIface);
    mMutex.unlock();

    if (gnssCbIface != nullptr) {
        const std::string s(gnssNmeaNotification.nmea);
        std::stringstream ss(s);
        std::string each;
        while(std::getline(ss, each, '\n')) {
            each += '\n';
            android::hardware::hidl_string nmeaString;
            nmeaString.setToExternal(each.c_str(), each.length());
            auto r = gnssCbIface->gnssNmeaCb(
                    static_cast<V1_0::GnssUtcTime>(gnssNmeaNotification.timestamp), nmeaString);
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from gnssNmeaCb nmea=%s length=%zu description=%s", __func__,
                            gnssNmeaNotification.nmea, gnssNmeaNotification.length,
                            r.description().c_str());
            }
        }
    }
}

void GnssAPIClient::onStartTrackingCb(LocationError error)
{
    LOC_LOGD("%s]: (%d)", __FUNCTION__, error);
    mMutex.lock();
    auto gnssCbIface(mGnssCbIface);
    mMutex.unlock();

    if (error == LOCATION_ERROR_SUCCESS && gnssCbIface != nullptr) {
        auto r = gnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::ENGINE_ON);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssStatusCb ENGINE_ON description=%s",
                __func__, r.description().c_str());
        }
        r = gnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::SESSION_BEGIN);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssStatusCb SESSION_BEGIN description=%s",
                __func__, r.description().c_str());
        }
    }
}

void GnssAPIClient::onStopTrackingCb(LocationError error)
{
    LOC_LOGD("%s]: (%d)", __FUNCTION__, error);
    mMutex.lock();
    auto gnssCbIface(mGnssCbIface);
    mMutex.unlock();

    if (error == LOCATION_ERROR_SUCCESS && gnssCbIface != nullptr) {
        auto r = gnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::SESSION_END);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssStatusCb SESSION_END description=%s",
                __func__, r.description().c_str());
        }
        r = gnssCbIface->gnssStatusCb(IGnssCallback::GnssStatusValue::ENGINE_OFF);
        if (!r.isOk()) {
            LOC_LOGE("%s] Error from gnssStatusCb ENGINE_OFF description=%s",
                __func__, r.description().c_str());
        }
    }
}

static void convertGnssSvStatus(GnssSvNotification& in, IGnssCallback::GnssSvStatus& out)
{
    memset(&out, 0, sizeof(IGnssCallback::GnssSvStatus));
    out.numSvs = in.count;
    if (out.numSvs > static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT)) {
        LOC_LOGW("%s]: Too many satellites %u. Clamps to %d.",
                __FUNCTION__,  out.numSvs, V1_0::GnssMax::SVS_COUNT);
        out.numSvs = static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT);
    }
    for (size_t i = 0; i < out.numSvs; i++) {
        IGnssCallback::GnssSvInfo& info = out.gnssSvList[i];
        convertGnssSvid(in.gnssSvs[i], info.svid);
        convertGnssConstellationType(in.gnssSvs[i].type, info.constellation);
        info.cN0Dbhz = in.gnssSvs[i].cN0Dbhz;
        info.elevationDegrees = in.gnssSvs[i].elevation;
        info.azimuthDegrees = in.gnssSvs[i].azimuth;
        info.carrierFrequencyHz = in.gnssSvs[i].carrierFrequencyHz;
        info.svFlag = static_cast<uint8_t>(IGnssCallback::GnssSvFlags::NONE);
        if (in.gnssSvs[i].gnssSvOptionsMask & GNSS_SV_OPTIONS_HAS_EPHEMER_BIT)
            info.svFlag |= IGnssCallback::GnssSvFlags::HAS_EPHEMERIS_DATA;
        if (in.gnssSvs[i].gnssSvOptionsMask & GNSS_SV_OPTIONS_HAS_ALMANAC_BIT)
            info.svFlag |= IGnssCallback::GnssSvFlags::HAS_ALMANAC_DATA;
        if (in.gnssSvs[i].gnssSvOptionsMask & GNSS_SV_OPTIONS_USED_IN_FIX_BIT)
            info.svFlag |= IGnssCallback::GnssSvFlags::USED_IN_FIX;
        if (in.gnssSvs[i].gnssSvOptionsMask & GNSS_SV_OPTIONS_HAS_CARRIER_FREQUENCY_BIT)
            info.svFlag |= IGnssCallback::GnssSvFlags::HAS_CARRIER_FREQUENCY;
    }
}

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android


code:
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef GNSS_API_CLINET_H
#define GNSS_API_CLINET_H

#include <mutex>
#include <android/hardware/gnss/1.1/IGnss.h>
#include <android/hardware/gnss/1.1/IGnssCallback.h>
#include <android/hardware/gnss/1.0/IGnssNiCallback.h>
#include <LocationAPIClientBase.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

using ::android::sp;

class GnssAPIClient : public LocationAPIClientBase
{
public:
    GnssAPIClient(const sp<V1_0::IGnssCallback>& gpsCb,
            const sp<V1_0::IGnssNiCallback>& niCb);
    GnssAPIClient(const GnssAPIClient&) = delete;
    GnssAPIClient& operator=(const GnssAPIClient&) = delete;

    // for GpsInterface
    void gnssUpdateCallbacks(const sp<V1_0::IGnssCallback>& gpsCb,
            const sp<V1_0::IGnssNiCallback>& niCb);
    bool gnssStart();
    bool gnssStop();
    bool gnssSetPositionMode(V1_0::IGnss::GnssPositionMode mode,
            V1_0::IGnss::GnssPositionRecurrence recurrence,
            uint32_t minIntervalMs,
            uint32_t preferredAccuracyMeters,
            uint32_t preferredTimeMs,
            GnssPowerMode powerMode = GNSS_POWER_MODE_INVALID,
            uint32_t timeBetweenMeasurement = 0);

    // for GpsNiInterface
    void gnssNiRespond(int32_t notifId, V1_0::IGnssNiCallback::GnssUserResponseType userResponse);

    // these apis using LocationAPIControlClient
    void gnssDeleteAidingData(V1_0::IGnss::GnssAidingData aidingDataFlags);
    void gnssEnable(LocationTechnologyType techType);
    void gnssDisable();
    void gnssConfigurationUpdate(const GnssConfig& gnssConfig);

    inline LocationCapabilitiesMask gnssGetCapabilities() const {
        return mLocationCapabilitiesMask;
    }
    void requestCapabilities();

    // callbacks we are interested in
    void onCapabilitiesCb(LocationCapabilitiesMask capabilitiesMask) final;
    void onTrackingCb(Location location) final;
    void onGnssNiCb(uint32_t id, GnssNiNotification gnssNiNotification) final;
    void onGnssSvCb(GnssSvNotification gnssSvNotification) final;
    void onGnssNmeaCb(GnssNmeaNotification gnssNmeaNotification) final;

    void onStartTrackingCb(LocationError error) final;
    void onStopTrackingCb(LocationError error) final;

private:
    virtual ~GnssAPIClient();

    sp<V1_0::IGnssCallback> mGnssCbIface;
    sp<V1_0::IGnssNiCallback> mGnssNiCbIface;
    std::mutex mMutex;
    LocationAPIControlClient* mControlClient;
    LocationCapabilitiesMask mLocationCapabilitiesMask;
    bool mLocationCapabilitiesCached;
    TrackingOptions mTrackingOptions;
};

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android
#endif // GNSS_API_CLINET_H


code:
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <LocationUtil.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

using ::android::hardware::gnss::V1_0::GnssLocation;
using ::android::hardware::gnss::V1_0::GnssConstellationType;
using ::android::hardware::gnss::V1_0::GnssLocationFlags;

void convertGnssLocation(Location& in, GnssLocation& out)
{
    memset(&out, 0, sizeof(GnssLocation));
    if (in.flags & LOCATION_HAS_LAT_LONG_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_LAT_LONG;
        out.latitudeDegrees = in.latitude;
        out.longitudeDegrees = in.longitude;
    }
    if (in.flags & LOCATION_HAS_ALTITUDE_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_ALTITUDE;
        out.altitudeMeters = in.altitude;
    }
    if (in.flags & LOCATION_HAS_SPEED_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_SPEED;
        out.speedMetersPerSec = in.speed;
    }
    if (in.flags & LOCATION_HAS_BEARING_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_BEARING;
        out.bearingDegrees = in.bearing;
    }
    if (in.flags & LOCATION_HAS_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_HORIZONTAL_ACCURACY;
        out.horizontalAccuracyMeters = in.accuracy;
    }
    if (in.flags & LOCATION_HAS_VERTICAL_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_VERTICAL_ACCURACY;
        out.verticalAccuracyMeters = in.verticalAccuracy;
    }
    if (in.flags & LOCATION_HAS_SPEED_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_SPEED_ACCURACY;
        out.speedAccuracyMetersPerSecond = in.speedAccuracy;
    }
    if (in.flags & LOCATION_HAS_BEARING_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_BEARING_ACCURACY;
        out.bearingAccuracyDegrees = in.bearingAccuracy;
    }

    out.timestamp = static_cast<V1_0::GnssUtcTime>(in.timestamp);
}

void convertGnssLocation(const GnssLocation& in, Location& out)
{
    memset(&out, 0, sizeof(out));
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_LAT_LONG) {
        out.flags |= LOCATION_HAS_LAT_LONG_BIT;
        out.latitude = in.latitudeDegrees;
        out.longitude = in.longitudeDegrees;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_ALTITUDE) {
        out.flags |= LOCATION_HAS_ALTITUDE_BIT;
        out.altitude = in.altitudeMeters;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_SPEED) {
        out.flags |= LOCATION_HAS_SPEED_BIT;
        out.speed = in.speedMetersPerSec;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_BEARING) {
        out.flags |= LOCATION_HAS_BEARING_BIT;
        out.bearing = in.bearingDegrees;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_HORIZONTAL_ACCURACY) {
        out.flags |= LOCATION_HAS_ACCURACY_BIT;
        out.accuracy = in.horizontalAccuracyMeters;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_VERTICAL_ACCURACY) {
        out.flags |= LOCATION_HAS_VERTICAL_ACCURACY_BIT;
        out.verticalAccuracy = in.verticalAccuracyMeters;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_SPEED_ACCURACY) {
        out.flags |= LOCATION_HAS_SPEED_ACCURACY_BIT;
        out.speedAccuracy = in.speedAccuracyMetersPerSecond;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_BEARING_ACCURACY) {
        out.flags |= LOCATION_HAS_BEARING_ACCURACY_BIT;
        out.bearingAccuracy = in.bearingAccuracyDegrees;
    }

    out.timestamp = static_cast<uint64_t>(in.timestamp);
}

void convertGnssConstellationType(GnssSvType& in, GnssConstellationType& out)
{
    switch(in) {
        case GNSS_SV_TYPE_GPS:
            out = GnssConstellationType::GPS;
            break;
        case GNSS_SV_TYPE_SBAS:
            out = GnssConstellationType::SBAS;
            break;
        case GNSS_SV_TYPE_GLONASS:
            out = GnssConstellationType::GLONASS;
            break;
        case GNSS_SV_TYPE_QZSS:
            out = GnssConstellationType::QZSS;
            break;
        case GNSS_SV_TYPE_BEIDOU:
            out = GnssConstellationType::BEIDOU;
            break;
        case GNSS_SV_TYPE_GALILEO:
            out = GnssConstellationType::GALILEO;
            break;
        case GNSS_SV_TYPE_UNKNOWN:
        default:
            out = GnssConstellationType::UNKNOWN;
            break;
    }
}

void convertGnssSvid(GnssSv& in, int16_t& out)
{
    switch(in.type){
        case GNSS_SV_TYPE_GPS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_SBAS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_GLONASS:
            if (!isGloSlotUnknown(in.svId)) { // OSN is known
                out = in.svId - GLO_SV_PRN_MIN + 1;
            } else { //OSN is not known, report FCN
                out = in.gloFrequency + 92;
            }
            break;
        case GNSS_SV_TYPE_QZSS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_BEIDOU:
            out = in.svId - BDS_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_GALILEO:
            out = in.svId - GAL_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_NAVIC:
            out = in.svId - NAVIC_SV_PRN_MIN + 1;
            break;
        default:
            out = in.svId;
            break;
    }
}

void convertGnssSvid(GnssMeasurementsData& in, int16_t& out)
{
    switch (in.svType) {
        case GNSS_SV_TYPE_GPS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_SBAS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_GLONASS:
            if (!isGloSlotUnknown(in.svId)) { // OSN is known
                out = in.svId - GLO_SV_PRN_MIN + 1;
            } else { // OSN is not known, report FCN
                out = in.gloFrequency + 92;
            }
            break;
        case GNSS_SV_TYPE_QZSS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_BEIDOU:
            out = in.svId - BDS_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_GALILEO:
            out = in.svId - GAL_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_NAVIC:
            out = in.svId - NAVIC_SV_PRN_MIN + 1;
            break;
        default:
            out = in.svId;
            break;
    }
}

void convertGnssEphemerisType(GnssEphemerisType& in, GnssDebug::SatelliteEphemerisType& out)
{
    switch(in) {
        case GNSS_EPH_TYPE_EPHEMERIS:
            out = GnssDebug::SatelliteEphemerisType::EPHEMERIS;
            break;
        case GNSS_EPH_TYPE_ALMANAC:
            out = GnssDebug::SatelliteEphemerisType::ALMANAC_ONLY;
            break;
        case GNSS_EPH_TYPE_UNKNOWN:
        default:
            out = GnssDebug::SatelliteEphemerisType::NOT_AVAILABLE;
            break;
    }
}

void convertGnssEphemerisSource(GnssEphemerisSource& in, GnssDebug::SatelliteEphemerisSource& out)
{
    switch(in) {
        case GNSS_EPH_SOURCE_DEMODULATED:
            out = GnssDebug::SatelliteEphemerisSource::DEMODULATED;
            break;
        case GNSS_EPH_SOURCE_SUPL_PROVIDED:
            out = GnssDebug::SatelliteEphemerisSource::SUPL_PROVIDED;
            break;
        case GNSS_EPH_SOURCE_OTHER_SERVER_PROVIDED:
            out = GnssDebug::SatelliteEphemerisSource::OTHER_SERVER_PROVIDED;
            break;
        case GNSS_EPH_SOURCE_LOCAL:
        case GNSS_EPH_SOURCE_UNKNOWN:
        default:
            out = GnssDebug::SatelliteEphemerisSource::OTHER;
            break;
    }
}

void convertGnssEphemerisHealth(GnssEphemerisHealth& in, GnssDebug::SatelliteEphemerisHealth& out)
{
    switch(in) {
        case GNSS_EPH_HEALTH_GOOD:
            out = GnssDebug::SatelliteEphemerisHealth::GOOD;
            break;
        case GNSS_EPH_HEALTH_BAD:
            out = GnssDebug::SatelliteEphemerisHealth::BAD;
            break;
        case GNSS_EPH_HEALTH_UNKNOWN:
        default:
            out = GnssDebug::SatelliteEphemerisHealth::UNKNOWN;
            break;
    }
}

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android


code:
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef LOCATION_UTIL_H
#define LOCATION_UTIL_H

#include <android/hardware/gnss/1.0/types.h>
#include <LocationAPI.h>
#include <GnssDebug.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

void convertGnssLocation(Location& in, V1_0::GnssLocation& out);
void convertGnssLocation(const V1_0::GnssLocation& in, Location& out);
void convertGnssConstellationType(GnssSvType& in, V1_0::GnssConstellationType& out);
void convertGnssSvid(GnssSv& in, int16_t& out);
void convertGnssSvid(GnssMeasurementsData& in, int16_t& out);
void convertGnssEphemerisType(GnssEphemerisType& in, GnssDebug::SatelliteEphemerisType& out);
void convertGnssEphemerisSource(GnssEphemerisSource& in, GnssDebug::SatelliteEphemerisSource& out);
void convertGnssEphemerisHealth(GnssEphemerisHealth& in, GnssDebug::SatelliteEphemerisHealth& out);

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android
#endif // LOCATION_UTIL_H


code:
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#define LOG_NDEBUG 0
#define LOG_TAG "LocSvc_MeasurementAPIClient"

#include <log_util.h>
#include <loc_cfg.h>

#include "LocationUtil.h"
#include "MeasurementAPIClient.h"

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

using ::android::hardware::gnss::V1_0::IGnssMeasurement;
using ::android::hardware::gnss::V1_1::IGnssMeasurementCallback;

static void convertGnssData(GnssMeasurementsNotification& in,
        V1_0::IGnssMeasurementCallback::GnssData& out);
static void convertGnssData_1_1(GnssMeasurementsNotification& in,
        IGnssMeasurementCallback::GnssData& out);
static void convertGnssMeasurement(GnssMeasurementsData& in,
        V1_0::IGnssMeasurementCallback::GnssMeasurement& out);
static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out);

MeasurementAPIClient::MeasurementAPIClient() :
    mGnssMeasurementCbIface(nullptr),
    mGnssMeasurementCbIface_1_1(nullptr),
    mTracking(false)
{
    LOC_LOGD("%s]: ()", __FUNCTION__);
}

MeasurementAPIClient::~MeasurementAPIClient()
{
    LOC_LOGD("%s]: ()", __FUNCTION__);
}

// for GpsInterface
Return<IGnssMeasurement::GnssMeasurementStatus>
MeasurementAPIClient::measurementSetCallback(const sp<V1_0::IGnssMeasurementCallback>& callback)
{
    LOC_LOGD("%s]: (%p)", __FUNCTION__, &callback);

    mMutex.lock();
    mGnssMeasurementCbIface = callback;
    mMutex.unlock();

    return startTracking();
}

Return<IGnssMeasurement::GnssMeasurementStatus>
MeasurementAPIClient::measurementSetCallback_1_1(
        const sp<IGnssMeasurementCallback>& callback,
        GnssPowerMode powerMode, uint32_t timeBetweenMeasurement)
{
    LOC_LOGD("%s]: (%p) (powermode: %d) (tbm: %d)",
            __FUNCTION__, &callback, (int)powerMode, timeBetweenMeasurement);

    mMutex.lock();
    mGnssMeasurementCbIface_1_1 = callback;
    mMutex.unlock();

    return startTracking(powerMode, timeBetweenMeasurement);
}

Return<IGnssMeasurement::GnssMeasurementStatus>
MeasurementAPIClient::startTracking(
        GnssPowerMode powerMode, uint32_t timeBetweenMeasurement)
{
    LocationCallbacks locationCallbacks;
    memset(&locationCallbacks, 0, sizeof(LocationCallbacks));
    locationCallbacks.size = sizeof(LocationCallbacks);

    locationCallbacks.trackingCb = nullptr;
    locationCallbacks.batchingCb = nullptr;
    locationCallbacks.geofenceBreachCb = nullptr;
    locationCallbacks.geofenceStatusCb = nullptr;
    locationCallbacks.gnssLocationInfoCb = nullptr;
    locationCallbacks.gnssNiCb = nullptr;
    locationCallbacks.gnssSvCb = nullptr;
    locationCallbacks.gnssNmeaCb = nullptr;

    locationCallbacks.gnssMeasurementsCb = nullptr;
    if (mGnssMeasurementCbIface_1_1 != nullptr || mGnssMeasurementCbIface != nullptr) {
        locationCallbacks.gnssMeasurementsCb =
            [this](GnssMeasurementsNotification gnssMeasurementsNotification) {
                onGnssMeasurementsCb(gnssMeasurementsNotification);
            };
    }

    locAPISetCallbacks(locationCallbacks);

    TrackingOptions options = {};
    memset(&options, 0, sizeof(TrackingOptions));
    options.size = sizeof(TrackingOptions);
    options.minInterval = 1000;
    options.mode = GNSS_SUPL_MODE_STANDALONE;
    if (GNSS_POWER_MODE_INVALID != powerMode) {
        options.powerMode = powerMode;
        options.tbm = timeBetweenMeasurement;
    }

    mTracking = true;
    LOC_LOGD("%s]: start tracking session", __FUNCTION__);
    locAPIStartTracking(options);
    return IGnssMeasurement::GnssMeasurementStatus::SUCCESS;
}

// for GpsMeasurementInterface
void MeasurementAPIClient::measurementClose() {
    LOC_LOGD("%s]: ()", __FUNCTION__);
    mTracking = false;
    locAPIStopTracking();
}

// callbacks
void MeasurementAPIClient::onGnssMeasurementsCb(
        GnssMeasurementsNotification gnssMeasurementsNotification)
{
    LOC_LOGD("%s]: (count: %zu active: %d)",
            __FUNCTION__, gnssMeasurementsNotification.count, mTracking);
    if (mTracking) {
        mMutex.lock();
        sp<V1_0::IGnssMeasurementCallback> gnssMeasurementCbIface = nullptr;
        sp<IGnssMeasurementCallback> gnssMeasurementCbIface_1_1 = nullptr;
        if (mGnssMeasurementCbIface_1_1 != nullptr) {
            gnssMeasurementCbIface_1_1 = mGnssMeasurementCbIface_1_1;
        } else if (mGnssMeasurementCbIface != nullptr) {
            gnssMeasurementCbIface = mGnssMeasurementCbIface;
        }
        mMutex.unlock();

        if (gnssMeasurementCbIface_1_1 != nullptr) {
            IGnssMeasurementCallback::GnssData gnssData;
            convertGnssData_1_1(gnssMeasurementsNotification, gnssData);
            auto r = gnssMeasurementCbIface_1_1->gnssMeasurementCb(gnssData);
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from gnssMeasurementCb description=%s",
                    __func__, r.description().c_str());
            }
        } else if (gnssMeasurementCbIface != nullptr) {
            V1_0::IGnssMeasurementCallback::GnssData gnssData;
            convertGnssData(gnssMeasurementsNotification, gnssData);
            auto r = gnssMeasurementCbIface->GnssMeasurementCb(gnssData);
            if (!r.isOk()) {
                LOC_LOGE("%s] Error from GnssMeasurementCb description=%s",
                    __func__, r.description().c_str());
            }
        }
    }
}

static void convertGnssMeasurement(GnssMeasurementsData& in,
        V1_0::IGnssMeasurementCallback::GnssMeasurement& out)
{
    memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssMeasurement));
    if (in.flags & GNSS_MEASUREMENTS_DATA_SIGNAL_TO_NOISE_RATIO_BIT)
        out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_SNR;
    if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_FREQUENCY_BIT)
        out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_FREQUENCY;
    if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_CYCLES_BIT)
        out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_CYCLES;
    if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_BIT)
        out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE;
    if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_UNCERTAINTY_BIT)
        out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE_UNCERTAINTY;
    if (in.flags & GNSS_MEASUREMENTS_DATA_AUTOMATIC_GAIN_CONTROL_BIT)
        out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_AUTOMATIC_GAIN_CONTROL;
    convertGnssSvid(in, out.svid);
    convertGnssConstellationType(in.svType, out.constellation);
    out.timeOffsetNs = in.timeOffsetNs;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_CODE_LOCK_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_CODE_LOCK;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_BIT_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BIT_SYNC;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_SUBFRAME_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SUBFRAME_SYNC;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_TOW_DECODED_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_TOW_DECODED;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_MSEC_AMBIGUOUS_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_MSEC_AMBIGUOUS;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_SYMBOL_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SYMBOL_SYNC;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_STRING_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_STRING_SYNC;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_TOD_DECODED_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_TOD_DECODED;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_BIT_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_BIT_SYNC;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_SUBFRAME_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_SUBFRAME_SYNC;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1BC_CODE_LOCK_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1BC_CODE_LOCK;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1C_2ND_CODE_LOCK_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1C_2ND_CODE_LOCK;
    if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1B_PAGE_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1B_PAGE_SYNC;
    if (in.stateMask &  GNSS_MEASUREMENTS_STATE_SBAS_SYNC_BIT)
        out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SBAS_SYNC;
    out.receivedSvTimeInNs = in.receivedSvTimeNs;
    out.receivedSvTimeUncertaintyInNs = in.receivedSvTimeUncertaintyNs;
    out.cN0DbHz = in.carrierToNoiseDbHz;
    out.pseudorangeRateMps = in.pseudorangeRateMps;
    out.pseudorangeRateUncertaintyMps = in.pseudorangeRateUncertaintyMps;
    if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_VALID_BIT)
        out.accumulatedDeltaRangeState |=
            IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_VALID;
    if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_RESET_BIT)
        out.accumulatedDeltaRangeState |=
            IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_RESET;
    if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_CYCLE_SLIP_BIT)
        out.accumulatedDeltaRangeState |=
            IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_CYCLE_SLIP;
    out.accumulatedDeltaRangeM = in.adrMeters;
    out.accumulatedDeltaRangeUncertaintyM = in.adrUncertaintyMeters;
    out.carrierFrequencyHz = in.carrierFrequencyHz;
    out.carrierCycles = in.carrierCycles;
    out.carrierPhase = in.carrierPhase;
    out.carrierPhaseUncertainty = in.carrierPhaseUncertainty;
    uint8_t indicator =
        static_cast<uint8_t>(IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_UNKNOWN);
    if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_PRESENT)
        indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_PRESENT;
    if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_NOT_PRESENT)
        indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATIOR_NOT_PRESENT;
    out.multipathIndicator =
        static_cast<IGnssMeasurementCallback::GnssMultipathIndicator>(indicator);
    out.snrDb = in.signalToNoiseRatioDb;
    out.agcLevelDb = in.agcLevelDb;
}

static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out)
{
    memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssClock));
    if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_LEAP_SECOND_BIT)
        out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_LEAP_SECOND;
    if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_TIME_UNCERTAINTY_BIT)
        out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_TIME_UNCERTAINTY;
    if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_FULL_BIAS_BIT)
        out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_FULL_BIAS;
    if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_BIT)
        out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS;
    if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_UNCERTAINTY_BIT)
        out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS_UNCERTAINTY;
    if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_BIT)
        out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT;
    if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_UNCERTAINTY_BIT)
        out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT_UNCERTAINTY;
    out.leapSecond = in.leapSecond;
    out.timeNs = in.timeNs;
    out.timeUncertaintyNs = in.timeUncertaintyNs;
    out.fullBiasNs = in.fullBiasNs;
    out.biasNs = in.biasNs;
    out.biasUncertaintyNs = in.biasUncertaintyNs;
    out.driftNsps = in.driftNsps;
    out.driftUncertaintyNsps = in.driftUncertaintyNsps;
    out.hwClockDiscontinuityCount = in.hwClockDiscontinuityCount;
}

static void convertGnssData(GnssMeasurementsNotification& in,
        V1_0::IGnssMeasurementCallback::GnssData& out)
{
    out.measurementCount = in.count;
    if (out.measurementCount > static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT)) {
        LOC_LOGW("%s]: Too many measurement %u. Clamps to %d.",
                __FUNCTION__,  out.measurementCount, V1_0::GnssMax::SVS_COUNT);
        out.measurementCount = static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT);
    }
    for (size_t i = 0; i < out.measurementCount; i++) {
        convertGnssMeasurement(in.measurements[i], out.measurements[i]);
    }
    convertGnssClock(in.clock, out.clock);
}

static void convertGnssData_1_1(GnssMeasurementsNotification& in,
        IGnssMeasurementCallback::GnssData& out)
{
    out.measurements.resize(in.count);
    for (size_t i = 0; i < in.count; i++) {
        convertGnssMeasurement(in.measurements[i], out.measurements[i].v1_0);
        if (in.measurements[i].adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_VALID_BIT)
            out.measurements[i].accumulatedDeltaRangeState |=
            IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_VALID;
        if (in.measurements[i].adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_RESET_BIT)
            out.measurements[i].accumulatedDeltaRangeState |=
            IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_RESET;
        if (in.measurements[i].adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_CYCLE_SLIP_BIT)
            out.measurements[i].accumulatedDeltaRangeState |=
            IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_CYCLE_SLIP;
        if (in.measurements[i].adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_HALF_CYCLE_RESOLVED_BIT)
            out.measurements[i].accumulatedDeltaRangeState |=
            IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_HALF_CYCLE_RESOLVED;
    }
    convertGnssClock(in.clock, out.clock);
}

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android


code:
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation, nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef MEASUREMENT_API_CLINET_H
#define MEASUREMENT_API_CLINET_H

#include <mutex>
#include <android/hardware/gnss/1.1/IGnssMeasurement.h>
#include <android/hardware/gnss/1.1/IGnssMeasurementCallback.h>
#include <LocationAPIClientBase.h>
#include <hidl/Status.h>
#include <gps_extended_c.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {

using ::android::sp;

class MeasurementAPIClient : public LocationAPIClientBase
{
public:
    MeasurementAPIClient();
    MeasurementAPIClient(const MeasurementAPIClient&) = delete;
    MeasurementAPIClient& operator=(const MeasurementAPIClient&) = delete;

    // for GpsMeasurementInterface
    Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> measurementSetCallback(
            const sp<V1_0::IGnssMeasurementCallback>& callback);
    Return<V1_0::IGnssMeasurement::GnssMeasurementStatus> measurementSetCallback_1_1(
            const sp<IGnssMeasurementCallback>& callback,
            GnssPowerMode powerMode = GNSS_POWER_MODE_INVALID,
            uint32_t timeBetweenMeasurement = GPS_DEFAULT_FIX_INTERVAL_MS);
    void measurementClose();
    Return<IGnssMeasurement::GnssMeasurementStatus> startTracking(
            GnssPowerMode powerMode = GNSS_POWER_MODE_INVALID,
            uint32_t timeBetweenMeasurement = GPS_DEFAULT_FIX_INTERVAL_MS);

    // callbacks we are interested in
    void onGnssMeasurementsCb(GnssMeasurementsNotification gnssMeasurementsNotification) final;

private:
    virtual ~MeasurementAPIClient();

    std::mutex mMutex;
    sp<V1_0::IGnssMeasurementCallback> mGnssMeasurementCbIface;
    sp<IGnssMeasurementCallback> mGnssMeasurementCbIface_1_1;

    bool mTracking;
};

}  // namespace implementation
}  // namespace V1_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android
#endif // MEASUREMENT_API_CLINET_H


code:
/*
 * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
 * Not a Contribution
 */
/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_TAG "android.hardware.gnss@1.1-service-qti"

#include <android/hardware/gnss/1.1/IGnss.h>
#include <hidl/LegacySupport.h>
#include "loc_cfg.h"
#include "loc_misc_utils.h"

extern "C" {
#include "vndfwk-detect.h"
}

#ifdef ARCH_ARM_32
#define DEFAULT_HW_BINDER_MEM_SIZE 65536
#endif

using android::hardware::gnss::V1_1::IGnss;

using android::hardware::configureRpcThreadpool;
using android::hardware::registerPassthroughServiceImplementation;
using android::hardware::joinRpcThreadpool;

using android::status_t;
using android::OK;

typedef int vendorEnhancedServiceMain(int /* argc */, char* /* argv */ []);

int main() {

    ALOGI("%s", __FUNCTION__);

    int vendorInfo = getVendorEnhancedInfo();
    bool vendorEnhanced = ( 1 == vendorInfo || 3 == vendorInfo );
    setVendorEnhanced(vendorEnhanced);

#ifdef ARCH_ARM_32
    android::hardware::ProcessState::initWithMmapSize((size_t)(DEFAULT_HW_BINDER_MEM_SIZE));
#endif
    configureRpcThreadpool(1, true);
    status_t status;

    status = registerPassthroughServiceImplementation<IGnss>();
    if (status == OK) {
        if (vendorEnhanced) {
    #ifdef LOC_HIDL_VERSION
            #define VENDOR_ENHANCED_LIB "vendor.qti.gnss@" LOC_HIDL_VERSION "-service.so"

            void* libHandle = NULL;
            vendorEnhancedServiceMain* vendorEnhancedMainMethod = (vendorEnhancedServiceMain*)
                    dlGetSymFromLib(libHandle, VENDOR_ENHANCED_LIB, "main");
            if (NULL != vendorEnhancedMainMethod) {
                (*vendorEnhancedMainMethod)(0, NULL);
            }
    #else
            ALOGE("LOC_HIDL_VERSION not defined.");
    #endif
        }

        joinRpcThreadpool();

    } else {
        ALOGE("Error while registering IGnss 1.1 service: %d", status);
    }

    return 0;
}


code:
/*
 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
 * Not a Contribution
 */
/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_TAG "LocSvc_AGnssInterface"

#include <log_util.h>
#include "Gnss.h"
#include "AGnss.h"

namespace android {
namespace hardware {
namespace gnss {
namespace V2_0 {
namespace implementation {

static AGnss* spAGnss = nullptr;

AGnss::AGnss(Gnss* gnss) : mGnss(gnss) {
    spAGnss = this;
}

AGnss::~AGnss() {
    spAGnss = nullptr;
}

void AGnss::agnssStatusIpV4Cb(AGnssExtStatusIpV4 status) {
    if (nullptr != spAGnss) {
        spAGnss->statusCb(status.type, status.status);
    }
}

void AGnss::statusCb(AGpsExtType type, LocAGpsStatusValue status) {

    V2_0::IAGnssCallback::AGnssType  aType;
    IAGnssCallback::AGnssStatusValue aStatus;

    switch (type) {
    case LOC_AGPS_TYPE_SUPL:
        aType = IAGnssCallback::AGnssType::SUPL;
        break;
    case LOC_AGPS_TYPE_SUPL_ES:
        aType = IAGnssCallback::AGnssType::SUPL_EIMS;
        break;
    default:
        LOC_LOGE("invalid type: %d", type);
        return;
    }

    switch (status) {
    case LOC_GPS_REQUEST_AGPS_DATA_CONN:
        aStatus = IAGnssCallback::AGnssStatusValue::REQUEST_AGNSS_DATA_CONN;
        break;
    case LOC_GPS_RELEASE_AGPS_DATA_CONN:
        aStatus = IAGnssCallback::AGnssStatusValue::RELEASE_AGNSS_DATA_CONN;
        break;
    case LOC_GPS_AGPS_DATA_CONNECTED:
        aStatus = IAGnssCallback::AGnssStatusValue::AGNSS_DATA_CONNECTED;
        break;
    case LOC_GPS_AGPS_DATA_CONN_DONE:
        aStatus = IAGnssCallback::AGnssStatusValue::AGNSS_DATA_CONN_DONE;
        break;
    case LOC_GPS_AGPS_DATA_CONN_FAILED:
        aStatus = IAGnssCallback::AGnssStatusValue::AGNSS_DATA_CONN_FAILED;
        break;
    default:
        LOC_LOGE("invalid status: %d", status);
        return;
    }

    if (mAGnssCbIface != nullptr) {
        auto r = mAGnssCbIface->agnssStatusCb(aType, aStatus);
        if (!r.isOk()) {
            LOC_LOGw("Error invoking AGNSS status cb %s", r.description().c_str());
        }
    }
    else {
        LOC_LOGw("setCallback has not been called yet");
    }
}

Return<void> AGnss::setCallback(const sp<V2_0::IAGnssCallback>& callback) {

    if(mGnss == nullptr || mGnss->getGnssInterface() == nullptr){
        LOC_LOGE("Null GNSS interface");
        return Void();
    }

    // Save the interface
    mAGnssCbIface = callback;

    AgpsCbInfo cbInfo = {};
    cbInfo.statusV4Cb = (void*)agnssStatusIpV4Cb;
    cbInfo.atlType = AGPS_ATL_TYPE_SUPL | AGPS_ATL_TYPE_SUPL_ES;

    mGnss->getGnssInterface()->agpsInit(cbInfo);
    return Void();
}

Return<bool> AGnss::dataConnClosed() {

    if(mGnss == nullptr || mGnss->getGnssInterface() == nullptr){
        LOC_LOGE("Null GNSS interface");
        return false;
    }

    mGnss->getGnssInterface()->agpsDataConnClosed(LOC_AGPS_TYPE_SUPL);
    return true;
}

Return<bool> AGnss::dataConnFailed() {

    if(mGnss == nullptr || mGnss->getGnssInterface() == nullptr){
        LOC_LOGE("Null GNSS interface");
        return false;
    }

    mGnss->getGnssInterface()->agpsDataConnFailed(LOC_AGPS_TYPE_SUPL);
    return true;
}

Return<bool> AGnss::dataConnOpen(uint64_t /*networkHandle*/, const hidl_string& apn,
        V2_0::IAGnss::ApnIpType apnIpType) {

    if(mGnss == nullptr || mGnss->getGnssInterface() == nullptr){
        LOC_LOGE("Null GNSS interface");
        return false;
    }

    /* Validate */
    if(apn.empty()){
        LOC_LOGE("Invalid APN");
        return false;
    }

    LOC_LOGD("dataConnOpen APN name = [%s]", apn.c_str());

    AGpsBearerType bearerType;
    switch (apnIpType) {
    case IAGnss::ApnIpType::IPV4:
        bearerType = AGPS_APN_BEARER_IPV4;
        break;
    case IAGnss::ApnIpType::IPV6:
        bearerType = AGPS_APN_BEARER_IPV6;
        break;
    case IAGnss::ApnIpType::IPV4V6:
        bearerType = AGPS_APN_BEARER_IPV4V6;
        break;
    default:
        bearerType = AGPS_APN_BEARER_IPV4;
        break;
    }

    mGnss->getGnssInterface()->agpsDataConnOpen(
        LOC_AGPS_TYPE_SUPL, apn.c_str(), apn.size(), (int)bearerType);
    return true;
}

Return<bool> AGnss::setServer(V2_0::IAGnssCallback::AGnssType type,
                              const hidl_string& hostname,
                              int32_t port) {
    if (mGnss == nullptr) {
        LOC_LOGE("%s]: mGnss is nullptr", __FUNCTION__);
        return false;
    }

    GnssConfig config;
    memset(&config, 0, sizeof(GnssConfig));
    config.size = sizeof(GnssConfig);
    config.flags = GNSS_CONFIG_FLAGS_SET_ASSISTANCE_DATA_VALID_BIT;
    config.assistanceServer.size = sizeof(GnssConfigSetAssistanceServer);
    if (type == IAGnssCallback::AGnssType::SUPL) {
        config.assistanceServer.type = GNSS_ASSISTANCE_TYPE_SUPL;
    } else if (type == IAGnssCallback::AGnssType::C2K) {
        config.assistanceServer.type = GNSS_ASSISTANCE_TYPE_C2K;
    } else if (type == IAGnssCallback::AGnssType::SUPL_EIMS) {
        config.assistanceServer.type = GNSS_ASSISTANCE_TYPE_SUPL_EIMS;
    } else if (type == IAGnssCallback::AGnssType::SUPL_IMS) {
        config.assistanceServer.type = GNSS_ASSISTANCE_TYPE_SUPL_IMS;
    } else {
        LOC_LOGE("%s]: invalid AGnssType: %d", __FUNCTION__, static_cast<uint8_t>(type));
        return false;
    }
    config.assistanceServer.hostName = strdup(hostname.c_str());
    config.assistanceServer.port = port;
    return mGnss->updateConfiguration(config);
}

}  // namespace implementation
}  // namespace V2_0
}  // namespace gnss
}  // namespace hardware
}  // namespace android


code:
/*
 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
 * Not a Contribution
 */
/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ANDROID_HARDWARE_GNSS_V2_0_AGNSS_H
#define ANDROID_HARDWARE_GNSS_V2_0_AGNSS_H

#include <android/hardware/gnss/2.0/IAGnss.h>
#include <hidl/Status.h>
#include <gps_extended_c.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V2_0 {
namespace implementation {

using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::hardware::hidl_string;
using ::android::sp;

struct Gnss;
struct AGnss : public V2_0::IAGnss {

    AGnss(Gnss* gnss);
    ~AGnss();
    /*
     * Methods from ::android::hardware::gnss::V2_0::IAGnss interface follow.
     * These declarations were generated from IAGnss.hal.
     */
    Return<void> setCallback(const sp<V2_0::IAGnssCallback>& callback) override;

    Return<bool> dataConnClosed() override;

    Return<bool> dataConnFailed() override;

    Return<bool> dataConnOpen(uint64_t networkHandle, const hidl_string& apn,
            V2_0::IAGnss::ApnIpType apnIpType) override;

    Return<bool> setServer(V2_0::IAGnssCallback::AGnssType type,
                         const hidl_string& hostname, int32_t port) override;

    void statusCb(AGpsExtType type, LocAGpsStatusValue status);

    /* Data call setup callback passed down to GNSS HAL implementation */
    static void agnssStatusIpV4Cb(AGnssExtStatusIpV4 status);

 private:
    Gnss* mGnss = nullptr;
    sp<IAGnssCallback> mAGnssCbIface = nullptr;
};

}  // namespace implementation
}  // namespace V2_0
}  // namespace gnss
}  // namespace hardware
}  // namespace android

#endif  // ANDROID_HARDWARE_GNSS_V2_0_AGNSS_H


code:
/*
 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
 * Not a Contribution
 */
/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_TAG "LocSvc__AGnssRilInterface"

#include <log_util.h>
#include <dlfcn.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sstream>
#include <string>
#include "Gnss.h"
#include "AGnssRil.h"
#include <DataItemConcreteTypesBase.h>

typedef void* (getLocationInterface)();

namespace android {
namespace hardware {
namespace gnss {
namespace V2_0 {
namespace implementation {

AGnssRil::AGnssRil(Gnss* gnss) : mGnss(gnss) {
    ENTRY_LOG_CALLFLOW();
}

AGnssRil::~AGnssRil() {
    ENTRY_LOG_CALLFLOW();
}

Return<bool> AGnssRil::updateNetworkState(bool connected, NetworkType type, bool /*roaming*/) {
    ENTRY_LOG_CALLFLOW();
    // Extra NetworkTypes not available in IAgnssRil enums
    const int NetworkType_BLUETOOTH = 7;
    const int NetworkType_ETHERNET = 9;
    const int NetworkType_PROXY = 16;
    std::string apn("");

    // for XTRA
    if (nullptr != mGnss && ( nullptr != mGnss->getGnssInterface() )) {
        int8_t typeout = loc_core::TYPE_UNKNOWN;
        switch(type)
        {
            case IAGnssRil::NetworkType::MOBILE:
                typeout = loc_core::TYPE_MOBILE;
                break;
            case IAGnssRil::NetworkType::WIFI:
                typeout = loc_core::TYPE_WIFI;
                break;
            case IAGnssRil::NetworkType::MMS:
                typeout = loc_core::TYPE_MMS;
                break;
            case IAGnssRil::NetworkType::SUPL:
                typeout = loc_core::TYPE_SUPL;
                break;
            case IAGnssRil::NetworkType::DUN:
                typeout = loc_core::TYPE_DUN;
                break;
            case IAGnssRil::NetworkType::HIPRI:
                typeout = loc_core::TYPE_HIPRI;
                break;
            case IAGnssRil::NetworkType::WIMAX:
                typeout = loc_core::TYPE_WIMAX;
                break;
            default:
                {
                    int networkType = (int) type;
                    // Handling network types not available in IAgnssRil
                    switch(networkType)
                    {
                        case NetworkType_BLUETOOTH:
                            typeout = loc_core::TYPE_BLUETOOTH;
                            break;
                        case NetworkType_ETHERNET:
                            typeout = loc_core::TYPE_ETHERNET;
                            break;
                        case NetworkType_PROXY:
                            typeout = loc_core::TYPE_PROXY;
                            break;
                        default:
                            typeout = loc_core::TYPE_UNKNOWN;
                    }
                }
                break;
        }
        mGnss->getGnssInterface()->updateConnectionStatus(connected, typeout, false, 0, apn);
    }
    return true;
}
Return<bool> AGnssRil::updateNetworkState_2_0(const V2_0::IAGnssRil::NetworkAttributes& attributes) {
    ENTRY_LOG_CALLFLOW();
    std::string apn = attributes.apn;
    if (nullptr != mGnss && (nullptr != mGnss->getGnssInterface())) {
        int8_t typeout = loc_core::TYPE_UNKNOWN;
        bool roaming = false;
        if (attributes.capabilities & IAGnssRil::NetworkCapability::NOT_METERED) {
            typeout = loc_core::TYPE_WIFI;
        } else {
            typeout = loc_core::TYPE_MOBILE;
        }
        if (attributes.capabilities & IAGnssRil::NetworkCapability::NOT_ROAMING) {
            roaming = false;
        }
        LOC_LOGd("apn string received is: %s", apn.c_str());
        mGnss->getGnssInterface()->updateConnectionStatus(attributes.isConnected,
                typeout, roaming, (NetworkHandle) attributes.networkHandle, apn);
    }
    return true;
}

}  // namespace implementation
}  // namespace V2_0
}  // namespace gnss
}  // namespace hardware
}  // namespace android


code:
/*
 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
 * Not a Contribution
 */
/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ANDROID_HARDWARE_GNSS_V2_0_AGNSSRIL_H_
#define ANDROID_HARDWARE_GNSS_V2_0_AGNSSRIL_H_

#include <android/hardware/gnss/2.0/IAGnssRil.h>
#include <hidl/Status.h>
#include <location_interface.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V2_0 {
namespace implementation {

using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::hardware::hidl_string;
using ::android::sp;

struct Gnss;
/*
 * Extended interface for AGNSS RIL support. An Assisted GNSS Radio Interface Layer interface
 * allows the GNSS chipset to request radio interface layer information from Android platform.
 * Examples of such information are reference location, unique subscriber ID, phone number string
 * and network availability changes. Also contains wrapper methods to allow methods from
 * IAGnssiRilCallback interface to be passed into the conventional implementation of the GNSS HAL.
 */
struct AGnssRil : public V2_0::IAGnssRil {
    AGnssRil(Gnss* gnss);
    ~AGnssRil();

    /*
     * Methods from ::android::hardware::gnss::V1_0::IAGnssRil follow.
     * These declarations were generated from IAGnssRil.hal.
     */
    Return<void> setCallback(const sp<V1_0::IAGnssRilCallback>& /*callback*/) override {
        return Void();
    }
    Return<void> setRefLocation(const V1_0::IAGnssRil::AGnssRefLocation& /*agnssReflocation*/) override {
        return Void();
    }
    Return<bool> setSetId(V1_0::IAGnssRil::SetIDType /*type*/, const hidl_string& /*setid*/) override {
        return false;
    }
    Return<bool> updateNetworkAvailability(bool /*available*/,
                                    const hidl_string& /*apn*/) override {
        return false;
    }
    Return<bool> updateNetworkState(bool connected, V1_0::IAGnssRil::NetworkType type, bool roaming) override;

    // Methods from ::android::hardware::gnss::V2_0::IAGnssRil follow
    Return<bool> updateNetworkState_2_0(const V2_0::IAGnssRil::NetworkAttributes& attributes) override;

 private:
    Gnss* mGnss = nullptr;
};

}  // namespace implementation
}  // namespace V2_0
}  // namespace gnss
}  // namespace hardware
}  // namespace android

#endif  // ANDROID_HARDWARE_GNSS_V2_0_AGNSSRIL_H_


code:
LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)
LOCAL_MODULE := android.hardware.gnss@2.0-impl-qti

# activate the following line for debug purposes only, comment out for production
#LOCAL_SANITIZE_DIAG += $(GNSS_SANITIZE_DIAG)
LOCAL_VENDOR_MODULE := true
LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_SRC_FILES := \
    AGnss.cpp \
    Gnss.cpp \
    AGnssRil.cpp \
    GnssMeasurement.cpp \
    GnssConfiguration.cpp \
    GnssBatching.cpp \
    GnssGeofencing.cpp \
    GnssNi.cpp \
    GnssDebug.cpp \
    MeasurementCorrections.cpp \
    GnssVisibilityControl.cpp

LOCAL_SRC_FILES += \
    location_api/GnssAPIClient.cpp \
    location_api/MeasurementAPIClient.cpp \
    location_api/GeofenceAPIClient.cpp \
    location_api/BatchingAPIClient.cpp \
    location_api/LocationUtil.cpp \

ifeq ($(GNSS_HIDL_LEGACY_MEASURMENTS),true)
LOCAL_CFLAGS += \
     -DGNSS_HIDL_LEGACY_MEASURMENTS
endif

LOCAL_C_INCLUDES:= \
    $(LOCAL_PATH)/location_api

LOCAL_HEADER_LIBRARIES := \
    libgps.utils_headers \
    libloc_core_headers \
    libloc_pla_headers \
    liblocation_api_headers \
    liblocbatterylistener_headers

LOCAL_SHARED_LIBRARIES := \
    liblog \
    libhidlbase \
    libcutils \
    libutils \
    android.hardware.gnss@1.0 \
    android.hardware.gnss@1.1 \
    android.hardware.gnss@2.0 \
    android.hardware.gnss.measurement_corrections@1.0 \
    android.hardware.gnss.visibility_control@1.0 \
    android.hardware.health@1.0 \
    android.hardware.health@2.0 \
    android.hardware.health@2.1 \
    android.hardware.power@1.2 \
    libbase

LOCAL_SHARED_LIBRARIES += \
    libloc_core \
    libgps.utils \
    libdl \
    liblocation_api \

LOCAL_CFLAGS += $(GNSS_CFLAGS)
LOCAL_STATIC_LIBRARIES := liblocbatterylistener
LOCAL_STATIC_LIBRARIES += libhealthhalutils
include $(BUILD_SHARED_LIBRARY)

include $(CLEAR_VARS)
LOCAL_MODULE := android.hardware.gnss@2.0-service-qti

# activate the following line for debug purposes only, comment out for production
#LOCAL_SANITIZE_DIAG += $(GNSS_SANITIZE_DIAG)
LOCAL_VINTF_FRAGMENTS := android.hardware.gnss@2.0-service-qti.xml
LOCAL_VENDOR_MODULE := true
LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_INIT_RC := android.hardware.gnss@2.0-service-qti.rc
LOCAL_SRC_FILES := \
    service.cpp \

LOCAL_HEADER_LIBRARIES := \
    libgps.utils_headers \
    libloc_core_headers \
    libloc_pla_headers \
    liblocation_api_headers

LOCAL_SHARED_LIBRARIES := \
    liblog \
    libcutils \
    libdl \
    libbase \
    libutils \
    libgps.utils \
    libqti_vndfwk_detect \

LOCAL_SHARED_LIBRARIES += \
    libhidlbase \
    android.hardware.gnss@1.0 \
    android.hardware.gnss@1.1 \
    android.hardware.gnss@2.0 \

LOCAL_CFLAGS += $(GNSS_CFLAGS)

ifneq ($(LOC_HIDL_VERSION),)
LOCAL_CFLAGS += -DLOC_HIDL_VERSION='"$(LOC_HIDL_VERSION)"'
endif

include $(BUILD_EXECUTABLE)