/*
* Copyright (c) 2019, 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 <android/hardware/gnss/visibility_control/1.0/IGnssVisibilityControl.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include "GnssVisibilityControl.h"
#include <location_interface.h>
namespace android {
namespace hardware {
namespace gnss {
namespace visibility_control {
namespace V1_0 {
namespace implementation {
using ::android::hardware::hidl_array;
using ::android::hardware::hidl_memory;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::sp;
static GnssVisibilityControl* spGnssVisibilityControl = nullptr;
static void convertGnssNfwNotification(GnssNfwNotification& in,
IGnssVisibilityControlCallback::NfwNotification& out);
GnssVisibilityControl::GnssVisibilityControl(Gnss* gnss) : mGnss(gnss) {
spGnssVisibilityControl = this;
}
GnssVisibilityControl::~GnssVisibilityControl() {
spGnssVisibilityControl = nullptr;
}
void GnssVisibilityControl::nfwStatusCb(GnssNfwNotification notification) {
if (nullptr != spGnssVisibilityControl) {
spGnssVisibilityControl->statusCb(notification);
}
}
bool GnssVisibilityControl::isInEmergencySession() {
if (nullptr != spGnssVisibilityControl) {
return spGnssVisibilityControl->isE911Session();
}
return false;
}
static void convertGnssNfwNotification(GnssNfwNotification& in,
IGnssVisibilityControlCallback::NfwNotification& out)
{
memset(&out, 0, sizeof(IGnssVisibilityControlCallback::NfwNotification));
out.proxyAppPackageName = in.proxyAppPackageName;
out.protocolStack = (IGnssVisibilityControlCallback::NfwProtocolStack)in.protocolStack;
out.otherProtocolStackName = in.otherProtocolStackName;
out.requestor = (IGnssVisibilityControlCallback::NfwRequestor)in.requestor;
out.requestorId = in.requestorId;
out.responseType = (IGnssVisibilityControlCallback::NfwResponseType)in.responseType;
out.inEmergencyMode = in.inEmergencyMode;
out.isCachedLocation = in.isCachedLocation;
}
void GnssVisibilityControl::statusCb(GnssNfwNotification notification) {
if (mGnssVisibilityControlCbIface != nullptr) {
IGnssVisibilityControlCallback::NfwNotification nfwNotification;
// Convert from one structure to another
convertGnssNfwNotification(notification, nfwNotification);
auto r = mGnssVisibilityControlCbIface->nfwNotifyCb(nfwNotification);
if (!r.isOk()) {
LOC_LOGw("Error invoking NFW status cb %s", r.description().c_str());
}
} else {
LOC_LOGw("setCallback has not been called yet");
}
}
bool GnssVisibilityControl::isE911Session() {
if (mGnssVisibilityControlCbIface != nullptr) {
auto r = mGnssVisibilityControlCbIface->isInEmergencySession();
if (!r.isOk()) {
LOC_LOGw("Error invoking NFW status cb %s", r.description().c_str());
return false;
} else {
return (r);
}
} else {
LOC_LOGw("setCallback has not been called yet");
return false;
}
}
// Methods from ::android::hardware::gnss::visibility_control::V1_0::IGnssVisibilityControl follow.
Return<bool> GnssVisibilityControl::enableNfwLocationAccess(const hidl_vec<::android::hardware::hidl_string>& proxyApps) {
if (nullptr == mGnss || nullptr == mGnss->getGnssInterface()) {
LOC_LOGe("Null GNSS interface");
return false;
}
/* If the vector is empty we need to disable all NFW clients
If there is at least one app in the vector we need to enable
all NFW clients */
if (0 == proxyApps.size()) {
mGnss->getGnssInterface()->enableNfwLocationAccess(false);
} else {
mGnss->getGnssInterface()->enableNfwLocationAccess(true);
}
return true;
}
/**
* Registers the callback for HAL implementation to use.
*
* @param callback Handle to IGnssVisibilityControlCallback interface.
*/
Return<bool> GnssVisibilityControl::setCallback(const ::android::sp<::android::hardware::gnss::visibility_control::V1_0::IGnssVisibilityControlCallback>& callback) {
if (nullptr == mGnss || nullptr == mGnss->getGnssInterface()) {
LOC_LOGe("Null GNSS interface");
return false;
}
mGnssVisibilityControlCbIface = callback;
NfwCbInfo cbInfo = {};
cbInfo.visibilityControlCb = (void*)nfwStatusCb;
cbInfo.isInEmergencySession = (void*)isInEmergencySession;
mGnss->getGnssInterface()->nfwInit(cbInfo);
return true;
}
} // namespace implementation
} // namespace V1_0
} // namespace visibility_control
} // namespace gnss
} // namespace hardware
} // namespace android
