/*
* Copyright (c) 2017-2020, 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_GnssInterface"
#define LOG_NDEBUG 0
#include <fstream>
#include <log_util.h>
#include <dlfcn.h>
#include <cutils/properties.h>
#include "Gnss.h"
#include <LocationUtil.h>
#include "battery_listener.h"
#include "loc_misc_utils.h"
typedef const GnssInterface* (getLocationInterface)();
namespace android {
namespace hardware {
namespace gnss {
namespace V1_0 {
namespace implementation {
static sp<Gnss> sGnss;
void Gnss::GnssDeathRecipient::serviceDied(uint64_t cookie, const wp<IBase>& who) {
LOC_LOGE("%s] service died. cookie: %llu, who: %p",
__FUNCTION__, static_cast<unsigned long long>(cookie), &who);
if (mGnss != nullptr) {
mGnss->getGnssInterface()->resetNetworkInfo();
mGnss->stop();
mGnss->cleanup();
}
}
void location_on_battery_status_changed(bool charging) {
LOC_LOGd("battery status changed to %s charging", charging ? "" : "not ");
if (sGnss != nullptr) {
sGnss->getGnssInterface()->updateBatteryStatus(charging);
}
}
Gnss::Gnss() {
ENTRY_LOG_CALLFLOW();
sGnss = this;
// initilize gnss interface at first in case needing notify battery status
sGnss->getGnssInterface()->initialize();
// register health client to listen on battery change
loc_extn_battery_properties_listener_init(location_on_battery_status_changed);
// clear pending GnssConfig
memset(&mPendingConfig, 0, sizeof(GnssConfig));
mGnssDeathRecipient = new GnssDeathRecipient(this);
}
Gnss::~Gnss() {
ENTRY_LOG_CALLFLOW();
if (mApi != nullptr) {
mApi->destroy();
mApi = nullptr;
}
sGnss = nullptr;
}
GnssAPIClient* Gnss::getApi() {
if (mApi == nullptr && (mGnssCbIface != nullptr || mGnssNiCbIface != nullptr)) {
mApi = new GnssAPIClient(mGnssCbIface, mGnssNiCbIface);
if (mApi == nullptr) {
LOC_LOGE("%s] faild to create GnssAPIClient", __FUNCTION__);
return mApi;
}
if (mPendingConfig.size == sizeof(GnssConfig)) {
// we have pending GnssConfig
mApi->gnssConfigurationUpdate(mPendingConfig);
// clear size to invalid mPendingConfig
mPendingConfig.size = 0;
if (mPendingConfig.assistanceServer.hostName != nullptr) {
free((void*)mPendingConfig.assistanceServer.hostName);
}
}
}
if (mApi == nullptr) {
LOC_LOGW("%s] GnssAPIClient is not ready", __FUNCTION__);
}
return mApi;
}
const GnssInterface* Gnss::getGnssInterface() {
static bool getGnssInterfaceFailed = false;
if (nullptr == mGnssInterface && !getGnssInterfaceFailed) {
void * libHandle = nullptr;
getLocationInterface* getter = (getLocationInterface*)
dlGetSymFromLib(libHandle, "libgnss.so", "getGnssInterface");
if (nullptr == getter) {
getGnssInterfaceFailed = true;
} else {
mGnssInterface = (const GnssInterface*)(*getter)();
}
}
return mGnssInterface;
}
Return<bool> Gnss::setCallback(const sp<V1_0::IGnssCallback>& callback) {
ENTRY_LOG_CALLFLOW();
if (mGnssCbIface != nullptr) {
mGnssCbIface->unlinkToDeath(mGnssDeathRecipient);
}
mGnssCbIface = callback;
if (mGnssCbIface != nullptr) {
mGnssCbIface->linkToDeath(mGnssDeathRecipient, 0 /*cookie*/);
}
GnssAPIClient* api = getApi();
if (api != nullptr) {
api->gnssUpdateCallbacks(mGnssCbIface, mGnssNiCbIface);
api->gnssEnable(LOCATION_TECHNOLOGY_TYPE_GNSS);
api->requestCapabilities();
}
return true;
}
Return<bool> Gnss::setGnssNiCb(const sp<IGnssNiCallback>& callback) {
ENTRY_LOG_CALLFLOW();
mGnssNiCbIface = callback;
GnssAPIClient* api = getApi();
if (api != nullptr) {
api->gnssUpdateCallbacks(mGnssCbIface, mGnssNiCbIface);
}
return true;
}
Return<bool> Gnss::updateConfiguration(GnssConfig& gnssConfig) {
ENTRY_LOG_CALLFLOW();
GnssAPIClient* api = getApi();
if (api) {
api->gnssConfigurationUpdate(gnssConfig);
} else if (gnssConfig.flags != 0) {
// api is not ready yet, update mPendingConfig with gnssConfig
mPendingConfig.size = sizeof(GnssConfig);
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_GPS_LOCK_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_GPS_LOCK_VALID_BIT;
mPendingConfig.gpsLock = gnssConfig.gpsLock;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_SUPL_VERSION_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_SUPL_VERSION_VALID_BIT;
mPendingConfig.suplVersion = gnssConfig.suplVersion;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_SET_ASSISTANCE_DATA_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_SET_ASSISTANCE_DATA_VALID_BIT;
mPendingConfig.assistanceServer.size = sizeof(GnssConfigSetAssistanceServer);
mPendingConfig.assistanceServer.type = gnssConfig.assistanceServer.type;
if (mPendingConfig.assistanceServer.hostName != nullptr) {
free((void*)mPendingConfig.assistanceServer.hostName);
mPendingConfig.assistanceServer.hostName =
strdup(gnssConfig.assistanceServer.hostName);
}
mPendingConfig.assistanceServer.port = gnssConfig.assistanceServer.port;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_LPP_PROFILE_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_LPP_PROFILE_VALID_BIT;
mPendingConfig.lppProfileMask = gnssConfig.lppProfileMask;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_LPPE_CONTROL_PLANE_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_LPPE_CONTROL_PLANE_VALID_BIT;
mPendingConfig.lppeControlPlaneMask = gnssConfig.lppeControlPlaneMask;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_LPPE_USER_PLANE_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_LPPE_USER_PLANE_VALID_BIT;
mPendingConfig.lppeUserPlaneMask = gnssConfig.lppeUserPlaneMask;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_AGLONASS_POSITION_PROTOCOL_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_AGLONASS_POSITION_PROTOCOL_VALID_BIT;
mPendingConfig.aGlonassPositionProtocolMask = gnssConfig.aGlonassPositionProtocolMask;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_EM_PDN_FOR_EM_SUPL_VALID_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_EM_PDN_FOR_EM_SUPL_VALID_BIT;
mPendingConfig.emergencyPdnForEmergencySupl = gnssConfig.emergencyPdnForEmergencySupl;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_SUPL_EM_SERVICES_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_SUPL_EM_SERVICES_BIT;
mPendingConfig.suplEmergencyServices = gnssConfig.suplEmergencyServices;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_SUPL_MODE_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_SUPL_MODE_BIT;
mPendingConfig.suplModeMask = gnssConfig.suplModeMask;
}
if (gnssConfig.flags & GNSS_CONFIG_FLAGS_BLACKLISTED_SV_IDS_BIT) {
mPendingConfig.flags |= GNSS_CONFIG_FLAGS_BLACKLISTED_SV_IDS_BIT;
mPendingConfig.blacklistedSvIds = gnssConfig.blacklistedSvIds;
}
}
return true;
}
Return<bool> Gnss::start() {
ENTRY_LOG_CALLFLOW();
bool retVal = false;
GnssAPIClient* api = getApi();
if (api) {
retVal = api->gnssStart();
}
return retVal;
}
Return<bool> Gnss::stop() {
ENTRY_LOG_CALLFLOW();
bool retVal = false;
GnssAPIClient* api = getApi();
if (api) {
retVal = api->gnssStop();
}
return retVal;
}
Return<void> Gnss::cleanup() {
ENTRY_LOG_CALLFLOW();
if (mApi != nullptr) {
mApi->gnssDisable();
}
return Void();
}
Return<bool> Gnss::injectLocation(double latitudeDegrees,
double longitudeDegrees,
float accuracyMeters) {
ENTRY_LOG_CALLFLOW();
const GnssInterface* gnssInterface = getGnssInterface();
if (nullptr != gnssInterface) {
gnssInterface->injectLocation(latitudeDegrees, longitudeDegrees, accuracyMeters);
return true;
} else {
return false;
}
}
Return<bool> Gnss::injectTime(int64_t timeMs, int64_t timeReferenceMs,
int32_t uncertaintyMs) {
return true;
}
Return<void> Gnss::deleteAidingData(V1_0::IGnss::GnssAidingData aidingDataFlags) {
ENTRY_LOG_CALLFLOW();
GnssAPIClient* api = getApi();
if (api) {
api->gnssDeleteAidingData(aidingDataFlags);
}
return Void();
}
Return<bool> Gnss::setPositionMode(V1_0::IGnss::GnssPositionMode mode,
V1_0::IGnss::GnssPositionRecurrence recurrence,
uint32_t minIntervalMs,
uint32_t preferredAccuracyMeters,
uint32_t preferredTimeMs) {
ENTRY_LOG_CALLFLOW();
bool retVal = false;
GnssAPIClient* api = getApi();
if (api) {
retVal = api->gnssSetPositionMode(mode, recurrence, minIntervalMs,
preferredAccuracyMeters, preferredTimeMs);
}
return retVal;
}
Return<sp<V1_0::IAGnss>> Gnss::getExtensionAGnss() {
ENTRY_LOG_CALLFLOW();
mAGnssIface = new AGnss(this);
return mAGnssIface;
}
Return<sp<V1_0::IGnssNi>> Gnss::getExtensionGnssNi() {
ENTRY_LOG_CALLFLOW();
mGnssNi = new GnssNi(this);
return mGnssNi;
}
Return<sp<V1_0::IGnssMeasurement>> Gnss::getExtensionGnssMeasurement() {
ENTRY_LOG_CALLFLOW();
if (mGnssMeasurement == nullptr)
mGnssMeasurement = new GnssMeasurement();
return mGnssMeasurement;
}
Return<sp<V1_0::IGnssConfiguration>> Gnss::getExtensionGnssConfiguration() {
ENTRY_LOG_CALLFLOW();
mGnssConfig = new GnssConfiguration(this);
return mGnssConfig;
}
Return<sp<V1_0::IGnssGeofencing>> Gnss::getExtensionGnssGeofencing() {
ENTRY_LOG_CALLFLOW();
mGnssGeofencingIface = new GnssGeofencing();
return mGnssGeofencingIface;
}
Return<sp<V1_0::IGnssBatching>> Gnss::getExtensionGnssBatching() {
mGnssBatching = new GnssBatching();
return mGnssBatching;
}
Return<sp<V1_0::IGnssDebug>> Gnss::getExtensionGnssDebug() {
ENTRY_LOG_CALLFLOW();
mGnssDebug = new GnssDebug(this);
return mGnssDebug;
}
Return<sp<V1_0::IAGnssRil>> Gnss::getExtensionAGnssRil() {
mGnssRil = new AGnssRil(this);
return mGnssRil;
}
IGnss* HIDL_FETCH_IGnss(const char* hal) {
ENTRY_LOG_CALLFLOW();
IGnss* iface = nullptr;
iface = new Gnss();
if (iface == nullptr) {
LOC_LOGE("%s]: failed to get %s", __FUNCTION__, hal);
}
return iface;
}
} // namespace implementation
} // namespace V1_0
} // namespace gnss
} // namespace hardware
} // namespace android
