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57 lines
2.3 KiB
57 lines
2.3 KiB
/* |
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* Copyright (C) 2016 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#define LOG_TAG "Netd" |
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#include "EventReporter.h" |
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#include "log/log.h" |
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using android::interface_cast; |
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using android::net::metrics::INetdEventListener; |
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int EventReporter::setMetricsReportingLevel(const int level) { |
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if (level < INetdEventListener::REPORTING_LEVEL_NONE |
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|| level > INetdEventListener::REPORTING_LEVEL_FULL) { |
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ALOGE("Invalid metrics reporting level %d", level); |
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return -EINVAL; |
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} |
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mReportingLevel = level; |
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return 0; |
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} |
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int EventReporter::getMetricsReportingLevel() const { |
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return mReportingLevel; |
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} |
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android::sp<INetdEventListener> EventReporter::getNetdEventListener() { |
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std::lock_guard<std::mutex> lock(mutex); |
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if (mNetdEventListener == nullptr) { |
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// Use checkService instead of getService because getService waits for 5 seconds for the |
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// service to become available. The DNS resolver inside netd is started much earlier in the |
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// boot sequence than the framework DNS listener, and we don't want to delay all DNS lookups |
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// for 5 seconds until the DNS listener starts up. |
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android::sp<android::IBinder> b = android::defaultServiceManager()->checkService( |
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android::String16("netd_listener")); |
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if (b != nullptr) { |
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mNetdEventListener = interface_cast<INetdEventListener>(b); |
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} |
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} |
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// If the netd listener service is dead, the binder call will just return an error, which should |
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// be fine because the only impact is that we can't log netd events. In any case, this should |
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// only happen if the system server is going down, which means it will shortly be taking us down |
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// with it. |
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return mNetdEventListener; |
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}
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