1 // 2 // Copyright (C) 2013 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 SHILL_CONNECTION_INFO_READER_H_ 18 #define SHILL_CONNECTION_INFO_READER_H_ 19 20 #include <string> 21 #include <vector> 22 23 #include <base/macros.h> 24 #include <base/files/file_path.h> 25 #include <gtest/gtest_prod.h> 26 27 #include "shill/connection_info.h" 28 29 namespace shill { 30 31 class ConnectionInfoReader { 32 public: 33 ConnectionInfoReader(); 34 virtual ~ConnectionInfoReader(); 35 36 // Returns the file path (/proc/net/ip_conntrack by default) from where 37 // IP connection tracking information are read. Overloadded by unit tests 38 // to return a different file path. 39 virtual base::FilePath GetConnectionInfoFilePath() const; 40 41 // Loads IP connection tracking information from the file path returned by 42 // GetConnectionInfoFilePath(). Existing entries in |info_list| are always 43 // discarded. Returns true on success. 44 virtual bool LoadConnectionInfo(std::vector<ConnectionInfo>* info_list); 45 46 private: 47 FRIEND_TEST(ConnectionInfoReaderTest, ParseConnectionInfo); 48 FRIEND_TEST(ConnectionInfoReaderTest, ParseIPAddress); 49 FRIEND_TEST(ConnectionInfoReaderTest, ParseIsUnreplied); 50 FRIEND_TEST(ConnectionInfoReaderTest, ParsePort); 51 FRIEND_TEST(ConnectionInfoReaderTest, ParseProtocol); 52 FRIEND_TEST(ConnectionInfoReaderTest, ParseTimeToExpireSeconds); 53 54 bool ParseConnectionInfo(const std::string& input, ConnectionInfo* info); 55 bool ParseProtocol(const std::string& input, int* protocol); 56 bool ParseTimeToExpireSeconds(const std::string& input, 57 int64_t* time_to_expire_seconds); 58 bool ParseIsUnreplied(const std::string& input, bool* is_unreplied); 59 bool ParseIPAddress(const std::string& input, 60 IPAddress* ip_address, bool* is_source); 61 bool ParsePort(const std::string& input, uint16_t* port, bool* is_source); 62 63 DISALLOW_COPY_AND_ASSIGN(ConnectionInfoReader); 64 }; 65 66 } // namespace shill 67 68 #endif // SHILL_CONNECTION_INFO_READER_H_ 69
