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69 lines
2.4 KiB
69 lines
2.4 KiB
/* |
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* Copyright (C) 2017 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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#ifndef WAKEUP_CONTROLLER_H |
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#define WAKEUP_CONTROLLER_H |
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#include <functional> |
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#include <netdutils/Status.h> |
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#include "IptablesRestoreController.h" |
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#include "NFLogListener.h" |
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namespace android { |
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namespace net { |
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class WakeupController { |
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public: |
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using ReportFn = std::function<void(const std::string&, uid_t, gid_t, uint64_t)>; |
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// iptables chain where wakeup packets are matched |
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static const char LOCAL_MANGLE_INPUT[]; |
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WakeupController(ReportFn report, IptablesRestoreInterface* iptables) |
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: mReport(report), mIptables(iptables) {} |
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~WakeupController(); |
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// Subscribe this controller to a NFLOG events arriving at |listener|. |
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netdutils::Status init(NFLogListenerInterface* listener); |
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// Install iptables rules to match packets arriving on |ifName| |
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// which match |mark|/|mask|. Metadata from matching packets will |
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// be delivered along with the arbitrary string |prefix| to |
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// INetdEventListener::onWakeupEvent. |
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netdutils::Status addInterface(const std::string& ifName, const std::string& prefix, |
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uint32_t mark, uint32_t mask); |
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// Remove iptables rules previously installed by addInterface(). |
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// |ifName|, |prefix|, |mark| and |mask| must match precisely. |
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netdutils::Status delInterface(const std::string& ifName, const std::string& prefix, |
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uint32_t mark, uint32_t mask); |
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private: |
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netdutils::Status execIptables(const std::string& action, const std::string& ifName, |
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const std::string& prefix, uint32_t mark, uint32_t mask); |
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ReportFn const mReport; |
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IptablesRestoreInterface* const mIptables; |
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NFLogListenerInterface* mListener; |
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}; |
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} // namespace net |
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} // namespace android |
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#endif /* WAKEUP_CONTROLLER_H */
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