android_device_lenovo_msm89.../biometrics/fingerprintd/wrapper.cpp
2018-06-29 00:02:43 +08:00

78 lines
2.5 KiB
C++

/*
* Copyright (C) 2014 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_NDEBUG 0
#define LOG_TAG "FingerprintHal"
#include <unistd.h>
#include <cutils/log.h>
#include <hardware/fingerprint.h>
#include <binder/IServiceManager.h>
#include "FingerprintDaemonProxy.h"
#include "IFingerprintDaemon.h"
#include "IFingerprintDaemonCallback.h"
#include "FingerprintDaemonCallbackProxy.h"
using namespace android;
sp<IFingerprintDaemon> g_service = NULL;
fingerprint_device_t* getWrapperService();
class BinderDiednotify: public IBinder::DeathRecipient {
public:
void binderDied(const wp<IBinder> __unused &who) {
ALOGE("binderDied");
g_service = NULL;
}
};
static sp<BinderDiednotify> gDeathRecipient = new BinderDiednotify();
fingerprint_device_t* getWrapperService(fingerprint_notify_t notify) {
int64_t ret = 0;
do {
if (g_service == NULL) {
ALOGE("getService g_servie is NULL");
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(android::FingerprintDaemonProxy::descriptor);
if (binder == NULL) {
ALOGE("getService failed");
sleep(1);
continue;
}
g_service = interface_cast<IFingerprintDaemon>(binder);
binder->linkToDeath(gDeathRecipient, NULL, 0);
if (g_service != NULL) {
ALOGE("getService succeed");
sp<android::FingerprintDaemonCallbackProxy> callback =
new FingerprintDaemonCallbackProxy();
FingerprintDaemonCallbackProxy::setDevice(notify);
g_service->init(callback);
ret = g_service->openHal();
if (ret == 0) {
ALOGE("getService openHal failed!");
g_service = NULL;
}
}
}
} while (0);
return reinterpret_cast<fingerprint_device_t*>(ret);
}