170 lines
6.1 KiB
C++
170 lines
6.1 KiB
C++
/*
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* Copyright (c) 2019, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <android/hardware/gnss/visibility_control/1.0/IGnssVisibilityControl.h>
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#include <hidl/MQDescriptor.h>
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#include <hidl/Status.h>
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#include "GnssVisibilityControl.h"
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#include <location_interface.h>
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namespace android {
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namespace hardware {
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namespace gnss {
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namespace visibility_control {
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namespace V1_0 {
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namespace implementation {
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using ::android::hardware::hidl_array;
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using ::android::hardware::hidl_memory;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::sp;
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static GnssVisibilityControl* spGnssVisibilityControl = nullptr;
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static void convertGnssNfwNotification(GnssNfwNotification& in,
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IGnssVisibilityControlCallback::NfwNotification& out);
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GnssVisibilityControl::GnssVisibilityControl(Gnss* gnss) : mGnss(gnss) {
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spGnssVisibilityControl = this;
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}
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GnssVisibilityControl::~GnssVisibilityControl() {
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spGnssVisibilityControl = nullptr;
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}
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void GnssVisibilityControl::nfwStatusCb(GnssNfwNotification notification) {
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if (nullptr != spGnssVisibilityControl) {
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spGnssVisibilityControl->statusCb(notification);
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}
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}
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bool GnssVisibilityControl::isInEmergencySession() {
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if (nullptr != spGnssVisibilityControl) {
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return spGnssVisibilityControl->isE911Session();
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}
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return false;
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}
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static void convertGnssNfwNotification(GnssNfwNotification& in,
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IGnssVisibilityControlCallback::NfwNotification& out)
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{
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memset(&out, 0, sizeof(IGnssVisibilityControlCallback::NfwNotification));
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out.proxyAppPackageName = in.proxyAppPackageName;
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out.protocolStack = (IGnssVisibilityControlCallback::NfwProtocolStack)in.protocolStack;
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out.otherProtocolStackName = in.otherProtocolStackName;
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out.requestor = (IGnssVisibilityControlCallback::NfwRequestor)in.requestor;
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out.requestorId = in.requestorId;
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out.responseType = (IGnssVisibilityControlCallback::NfwResponseType)in.responseType;
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out.inEmergencyMode = in.inEmergencyMode;
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out.isCachedLocation = in.isCachedLocation;
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}
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void GnssVisibilityControl::statusCb(GnssNfwNotification notification) {
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if (mGnssVisibilityControlCbIface != nullptr) {
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IGnssVisibilityControlCallback::NfwNotification nfwNotification;
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// Convert from one structure to another
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convertGnssNfwNotification(notification, nfwNotification);
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auto r = mGnssVisibilityControlCbIface->nfwNotifyCb(nfwNotification);
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if (!r.isOk()) {
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LOC_LOGw("Error invoking NFW status cb %s", r.description().c_str());
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}
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} else {
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LOC_LOGw("setCallback has not been called yet");
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}
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}
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bool GnssVisibilityControl::isE911Session() {
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if (mGnssVisibilityControlCbIface != nullptr) {
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auto r = mGnssVisibilityControlCbIface->isInEmergencySession();
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if (!r.isOk()) {
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LOC_LOGw("Error invoking NFW status cb %s", r.description().c_str());
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return false;
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} else {
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return (r);
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}
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} else {
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LOC_LOGw("setCallback has not been called yet");
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return false;
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}
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}
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// Methods from ::android::hardware::gnss::visibility_control::V1_0::IGnssVisibilityControl follow.
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Return<bool> GnssVisibilityControl::enableNfwLocationAccess(const hidl_vec<::android::hardware::hidl_string>& proxyApps) {
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if (nullptr == mGnss || nullptr == mGnss->getGnssInterface()) {
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LOC_LOGe("Null GNSS interface");
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return false;
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}
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/* If the vector is empty we need to disable all NFW clients
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If there is at least one app in the vector we need to enable
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all NFW clients */
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if (0 == proxyApps.size()) {
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mGnss->getGnssInterface()->enableNfwLocationAccess(false);
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} else {
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mGnss->getGnssInterface()->enableNfwLocationAccess(true);
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}
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return true;
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}
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/**
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* Registers the callback for HAL implementation to use.
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*
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* @param callback Handle to IGnssVisibilityControlCallback interface.
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*/
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Return<bool> GnssVisibilityControl::setCallback(const ::android::sp<::android::hardware::gnss::visibility_control::V1_0::IGnssVisibilityControlCallback>& callback) {
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if (nullptr == mGnss || nullptr == mGnss->getGnssInterface()) {
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LOC_LOGe("Null GNSS interface");
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return false;
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}
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mGnssVisibilityControlCbIface = callback;
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NfwCbInfo cbInfo = {};
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cbInfo.visibilityControlCb = (void*)nfwStatusCb;
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cbInfo.isInEmergencySession = (void*)isInEmergencySession;
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mGnss->getGnssInterface()->nfwInit(cbInfo);
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return true;
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}
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} // namespace implementation
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} // namespace V1_0
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} // namespace visibility_control
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} // namespace gnss
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} // namespace hardware
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} // namespace android
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