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56 lines
2.1 KiB
56 lines
2.1 KiB
/* |
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* Copyright (C) 2014 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 NETD_CLIENT_FWMARK_CLIENT_H |
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#define NETD_CLIENT_FWMARK_CLIENT_H |
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#include <sys/socket.h> |
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struct FwmarkCommand; |
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struct FwmarkConnectInfo; |
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class FwmarkClient { |
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public: |
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// Returns true if a socket of the given |family| should be sent to the fwmark server to have |
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// its SO_MARK set. |
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static bool shouldSetFwmark(int family); |
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// Returns true if an additional call should be made after ON_CONNECT calls, to log extra |
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// information like latency and source IP. |
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static bool shouldReportConnectComplete(int family); |
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FwmarkClient(); |
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~FwmarkClient(); |
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// Sends |data| to the fwmark server, along with |fd| as ancillary data using cmsg(3). |
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// For ON_CONNECT_COMPLETE |data| command, |connectInfo| should be provided. |
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// Returns 0 on success or a negative errno value on failure. |
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int send(FwmarkCommand* data, int fd, FwmarkConnectInfo* connectInfo); |
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// Env flag to control whether FwmarkClient sends any information at all about network events |
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// back to the system server through FwmarkServer. |
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static constexpr const char* ANDROID_NO_USE_FWMARK_CLIENT = "ANDROID_NO_USE_FWMARK_CLIENT"; |
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// Env flag to control whether FwmarkClient should exclude detailed information like IP |
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// addresses and only send basic information necessary for marking sockets. |
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// Has no effect if ANDROID_NO_USE_FWMARK_CLIENT is set. |
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static constexpr const char* ANDROID_FWMARK_METRICS_ONLY = "ANDROID_FWMARK_METRICS_ONLY"; |
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private: |
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int mChannel; |
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}; |
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#endif // NETD_CLIENT_FWMARK_CLIENT_H
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