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/*
* Copyright (C) 2017 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.
*/
#include <chrono>
#include <string>
#include <thread>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <hidl/HidlTransportSupport.h>
#include <utils/StrongPointer.h>
// Select the implementation
#include <esecpp/NxpPn80tNqNci.h>
using EseInterfaceImpl = android::NxpPn80tNqNci;
#include "Weaver.h"
using android::OK;
using android::sp;
using android::status_t;
using android::hardware::configureRpcThreadpool;
using android::hardware::joinRpcThreadpool;
using namespace std::chrono_literals;
// HALs
using android::esed::Weaver;
int main(int /* argc */, char** /* argv */) {
LOG(INFO) << "Waiting for property...";
android::base::WaitForProperty("init.svc.vendor.ese_load", "stopped");
LOG(INFO) << "Starting esed...";
// Open connection to the eSE
EseInterfaceImpl ese;
uint32_t failCount = 0;
while (true) {
ese.init();
if (ese.open() < 0) {
std::string errMsg = "Failed to open connection to eSE";
if (ese.error()) {
errMsg += " (" + std::to_string(ese.error_code()) + "): " + ese.error_message();
} else {
errMsg += ": reason unknown";
}
LOG(ERROR) << errMsg;
// FIXME: this loop with sleep is a hack to avoid the process repeatedly crashing
++failCount;
std::this_thread::sleep_for(failCount * 5s);
continue;
}
LOG(INFO) << "Opened connection to the eSE";
break;
}
// Close it until use.
ese.close();
// This will be a single threaded daemon. This is important as libese is not
// thread safe so we use binder to synchronize requests for us.
constexpr bool thisThreadWillJoinPool = true;
configureRpcThreadpool(1, thisThreadWillJoinPool);
// Create Weaver HAL instance
sp<Weaver> weaver = new Weaver{ese};
const status_t status = weaver->registerAsService();
if (status != OK) {
LOG(ERROR) << "Failed to register Weaver as a service (status: " << status << ")";
}
joinRpcThreadpool();
return -1; // Should never reach here
}