FwmarkClient.h revision f4cfad361175a7f9ccf4d41e76a9b289c3c3da22
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 22class FwmarkClient { 23public: 24 // Returns true if |sockfd| should be sent to the fwmark server to have its SO_MARK set. 25 static bool shouldSetFwmark(int sockfd, const sockaddr* addr); 26 27 FwmarkClient(); 28 ~FwmarkClient(); 29 30 // Sends |data| to the fwmark server, along with |fd| as ancillary data using cmsg(3). 31 // Returns true on success. 32 bool send(void* data, size_t len, int fd); 33 34private: 35 int mChannel; 36}; 37 38#endif // NETD_CLIENT_FWMARK_CLIENT_H 39