| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef NETD_CLIENT_FWMARK_CLIENT_H |
| #define NETD_CLIENT_FWMARK_CLIENT_H |
| |
| #include <sys/socket.h> |
| |
| struct FwmarkCommand; |
| struct FwmarkConnectInfo; |
| |
| class FwmarkClient { |
| public: |
| // Returns true if a socket of the given |family| should be sent to the fwmark server to have |
| // its SO_MARK set. |
| static bool shouldSetFwmark(int family); |
| |
| // Returns true if an additional call should be made after ON_CONNECT calls, to log extra |
| // information like latency and source IP. |
| static bool shouldReportConnectComplete(int family); |
| |
| FwmarkClient(); |
| ~FwmarkClient(); |
| |
| // Sends |data| to the fwmark server, along with |fd| as ancillary data using cmsg(3). |
| // For ON_CONNECT_COMPLETE |data| command, |connectInfo| should be provided. |
| // Returns 0 on success or a negative errno value on failure. |
| int send(FwmarkCommand* data, int fd, FwmarkConnectInfo* connectInfo); |
| |
| // Env flag to control whether FwmarkClient sends any information at all about network events |
| // back to the system server through FwmarkServer. |
| static constexpr const char* ANDROID_NO_USE_FWMARK_CLIENT = "ANDROID_NO_USE_FWMARK_CLIENT"; |
| |
| // Env flag to control whether FwmarkClient should exclude detailed information like IP |
| // addresses and only send basic information necessary for marking sockets. |
| // Has no effect if ANDROID_NO_USE_FWMARK_CLIENT is set. |
| static constexpr const char* ANDROID_FWMARK_METRICS_ONLY = "ANDROID_FWMARK_METRICS_ONLY"; |
| |
| private: |
| int mChannel; |
| }; |
| |
| #endif // NETD_CLIENT_FWMARK_CLIENT_H |