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 UPDATE_ENGINE_FAKE_P2P_MANAGER_CONFIGURATION_H_ 18 #define UPDATE_ENGINE_FAKE_P2P_MANAGER_CONFIGURATION_H_ 19 20 #include "update_engine/common/test_utils.h" 21 #include "update_engine/common/utils.h" 22 #include "update_engine/p2p_manager.h" 23 24 #include <string> 25 #include <vector> 26 27 #include <base/files/file_util.h> 28 #include <base/logging.h> 29 #include <base/strings/string_number_conversions.h> 30 #include <base/strings/string_util.h> 31 32 namespace chromeos_update_engine { 33 34 // Configuration for P2PManager for use in unit tests. Instead of 35 // /var/cache/p2p, a temporary directory is used. 36 class FakeP2PManagerConfiguration : public P2PManager::Configuration { 37 public: FakeP2PManagerConfiguration()38 FakeP2PManagerConfiguration() { 39 EXPECT_TRUE(utils::MakeTempDirectory("p2p-tc.XXXXXX", &p2p_dir_)); 40 } 41 ~FakeP2PManagerConfiguration()42 ~FakeP2PManagerConfiguration() { 43 if (p2p_dir_.size() > 0 && 44 !base::DeleteFile(base::FilePath(p2p_dir_), true)) { 45 PLOG(ERROR) << "Unable to unlink files and directory in " << p2p_dir_; 46 } 47 } 48 49 // P2PManager::Configuration override GetP2PDir()50 base::FilePath GetP2PDir() override { 51 return base::FilePath(p2p_dir_); 52 } 53 54 // P2PManager::Configuration override GetInitctlArgs(bool is_start)55 std::vector<std::string> GetInitctlArgs(bool is_start) override { 56 return is_start ? initctl_start_args_ : initctl_stop_args_; 57 } 58 59 // P2PManager::Configuration override GetP2PClientArgs(const std::string & file_id,size_t minimum_size)60 std::vector<std::string> GetP2PClientArgs(const std::string &file_id, 61 size_t minimum_size) override { 62 std::vector<std::string> formatted_command = p2p_client_cmd_format_; 63 // Replace {variable} on the passed string. 64 std::string str_minimum_size = std::to_string(minimum_size); 65 for (std::string& arg : formatted_command) { 66 base::ReplaceSubstringsAfterOffset(&arg, 0, "{file_id}", file_id); 67 base::ReplaceSubstringsAfterOffset(&arg, 0, "{minsize}", 68 str_minimum_size); 69 } 70 return formatted_command; 71 } 72 73 // Use |command_line| instead of "initctl start p2p" when attempting 74 // to start the p2p service. SetInitctlStartCommand(const std::vector<std::string> & command)75 void SetInitctlStartCommand(const std::vector<std::string>& command) { 76 initctl_start_args_ = command; 77 } 78 79 // Use |command_line| instead of "initctl stop p2p" when attempting 80 // to stop the p2p service. SetInitctlStopCommand(const std::vector<std::string> & command)81 void SetInitctlStopCommand(const std::vector<std::string>& command) { 82 initctl_stop_args_ = command; 83 } 84 85 // Use |command_format| instead of "p2p-client --get-url={file_id} 86 // --minimum-size={minsize}" when attempting to look up a file using 87 // p2p-client(1). 88 // 89 // The passed |command_format| argument can have "{file_id}" and "{minsize}" 90 // as substrings of any of its elements, that will be replaced by the 91 // corresponding values passed to GetP2PClientArgs(). SetP2PClientCommand(const std::vector<std::string> & command_format)92 void SetP2PClientCommand(const std::vector<std::string>& command_format) { 93 p2p_client_cmd_format_ = command_format; 94 } 95 96 private: 97 // The temporary directory used for p2p. 98 std::string p2p_dir_; 99 100 // Argument vector for starting p2p. 101 std::vector<std::string> initctl_start_args_{"initctl", "start", "p2p"}; 102 103 // Argument vector for stopping p2p. 104 std::vector<std::string> initctl_stop_args_{"initctl", "stop", "p2p"}; 105 106 // A string for generating the p2p-client command. See the 107 // SetP2PClientCommandLine() for details. 108 std::vector<std::string> p2p_client_cmd_format_{ 109 "p2p-client", "--get-url={file_id}", "--minimum-size={minsize}"}; 110 111 DISALLOW_COPY_AND_ASSIGN(FakeP2PManagerConfiguration); 112 }; 113 114 } // namespace chromeos_update_engine 115 116 #endif // UPDATE_ENGINE_FAKE_P2P_MANAGER_CONFIGURATION_H_ 117