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82 lines
2.4 KiB
82 lines
2.4 KiB
/** |
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* Copyright (c) 2019, 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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#include "DnsResolver.h" |
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#include <android-base/logging.h> |
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#include <android-base/properties.h> |
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#include "DnsProxyListener.h" |
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#include "DnsResolverService.h" |
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#include "netd_resolv/resolv.h" |
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#include "res_debug.h" |
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bool resolv_init(const ResolverNetdCallbacks* callbacks) { |
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android::base::InitLogging(/*argv=*/nullptr); |
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android::base::SetDefaultTag("libnetd_resolv"); |
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LOG(INFO) << __func__ << ": Initializing resolver"; |
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resolv_set_log_severity(android::base::WARNING); |
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android::net::gResNetdCallbacks = *callbacks; |
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android::net::gDnsResolv = android::net::DnsResolver::getInstance(); |
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return android::net::gDnsResolv->start(); |
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} |
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namespace android { |
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namespace net { |
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namespace { |
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bool verifyCallbacks() { |
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return gResNetdCallbacks.check_calling_permission && gResNetdCallbacks.get_network_context && |
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gResNetdCallbacks.log; |
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} |
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} // namespace |
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DnsResolver* gDnsResolv = nullptr; |
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ResolverNetdCallbacks gResNetdCallbacks; |
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netdutils::Log gDnsResolverLog("dnsResolver"); |
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DnsResolver* DnsResolver::getInstance() { |
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// Instantiated on first use. |
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static DnsResolver instance; |
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return &instance; |
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} |
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bool DnsResolver::start() { |
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if (!verifyCallbacks()) { |
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LOG(ERROR) << __func__ << ": Callback verification failed"; |
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return false; |
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} |
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if (mDnsProxyListener.startListener()) { |
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PLOG(ERROR) << __func__ << ": Unable to start DnsProxyListener"; |
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return false; |
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} |
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binder_status_t ret; |
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if ((ret = DnsResolverService::start()) != STATUS_OK) { |
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LOG(ERROR) << __func__ << ": Unable to start DnsResolverService: " << ret; |
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return false; |
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} |
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return true; |
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} |
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int DnsResolver::setLogSeverity(int32_t logSeverity) { |
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return resolv_set_log_severity(logSeverity); |
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} |
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} // namespace net |
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} // namespace android
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