/*
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* Copyright (C) 2012 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 _INTERFACE_CONTROLLER_H
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#define _INTERFACE_CONTROLLER_H
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#include <functional>
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#include <map>
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#include <string>
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#include <android/net/InterfaceConfigurationParcel.h>
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#include <netdutils/Status.h>
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#include <netdutils/StatusOr.h>
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namespace android {
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namespace net {
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class StablePrivacyTest;
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class InterfaceController {
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public:
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static void initializeAll();
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static int setEnableIPv6(const char* ifName, const int on);
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static android::netdutils::Status setIPv6AddrGenMode(const std::string& ifName, int mode);
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static int setAcceptIPv6Ra(const char* ifName, const int on);
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static int setAcceptIPv6Dad(const char* ifName, const int on);
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static int setIPv6DadTransmits(const char* ifName, const char* value);
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static int setIPv6PrivacyExtensions(const char* ifName, const int on);
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static int setMtu(const char* ifName, const char* mtu);
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static int addAddress(const char* ifName, const char* addrString, int prefixLength);
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static int delAddress(const char* ifName, const char* addrString, int prefixLength);
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static int disableIcmpRedirects();
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static android::netdutils::Status setCfg(const InterfaceConfigurationParcel& cfg);
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static android::netdutils::StatusOr<InterfaceConfigurationParcel> getCfg(
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const std::string& ifName);
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static int clearAddrs(const std::string& ifName);
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// Read and write values in files of the form:
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// /proc/sys/net/<family>/<which>/<ifName>/<parameter>
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//
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// NOTE: getParameter() trims whitespace so the caller does not need extra
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// code to crop trailing newlines, for example.
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static int getParameter(const char* family, const char* which, const char* ifName,
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const char* parameter, std::string* value);
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static int setParameter(const char* family, const char* which, const char* ifName,
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const char* parameter, const char* value);
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static android::netdutils::StatusOr<std::vector<std::string>> getIfaceNames();
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static android::netdutils::StatusOr<std::map<std::string, uint32_t>> getIfaceList();
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static std::mutex mutex;
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private:
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friend class android::net::StablePrivacyTest;
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using GetPropertyFn =
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std::function<std::string(const std::string& key, const std::string& dflt)>;
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using SetPropertyFn = std::function<android::netdutils::Status(const std::string& key,
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const std::string& val)>;
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// Helper function exported from this compilation unit for testing.
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static android::netdutils::Status enableStablePrivacyAddresses(
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const std::string& ifName, const GetPropertyFn& getProperty,
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const SetPropertyFn& setProperty);
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static void setAcceptRA(const char* value);
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static void setAcceptRARouteTable(int tableOrOffset);
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static void setBaseReachableTimeMs(unsigned int millis);
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static void setIPv6OptimisticMode(const char* value);
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InterfaceController() = delete;
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~InterfaceController() = delete;
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};
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} // namespace net
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} // namespace android
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#endif
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