1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef NETD_CLIENT_FWMARK_CLIENT_H 18 #define NETD_CLIENT_FWMARK_CLIENT_H 19 20 #include <sys/socket.h> 21 22 struct FwmarkCommand; 23 24 class FwmarkClient { 25 public: 26 // Returns true if a socket of the given |family| should be sent to the fwmark server to have 27 // its SO_MARK set. 28 static bool shouldSetFwmark(int family); 29 30 FwmarkClient(); 31 ~FwmarkClient(); 32 33 // Sends |data| to the fwmark server, along with |fd| as ancillary data using cmsg(3). 34 // Returns 0 on success or a negative errno value on failure. 35 int send(FwmarkCommand* data, int fd); 36 37 private: 38 int mChannel; 39 }; 40 41 #endif // NETD_CLIENT_FWMARK_CLIENT_H 42