Patrick Williams | 1334b7b | 2021-02-22 17:15:12 -0600 | [diff] [blame] | 1 | #include "config.h" |
Ratan Gupta | 212f53e | 2018-04-30 17:28:05 +0530 | [diff] [blame] | 2 | |
| 3 | #include "snmp_serialize.hpp" |
Patrick Williams | 1334b7b | 2021-02-22 17:15:12 -0600 | [diff] [blame] | 4 | |
Ratan Gupta | 212f53e | 2018-04-30 17:28:05 +0530 | [diff] [blame] | 5 | #include "snmp_client.hpp" |
Patrick Williams | 1334b7b | 2021-02-22 17:15:12 -0600 | [diff] [blame] | 6 | |
| 7 | #include <cereal/archives/binary.hpp> |
| 8 | #include <cereal/types/string.hpp> |
| 9 | #include <cereal/types/vector.hpp> |
Ratan Gupta | 212f53e | 2018-04-30 17:28:05 +0530 | [diff] [blame] | 10 | #include <phosphor-logging/log.hpp> |
Patrick Williams | 1334b7b | 2021-02-22 17:15:12 -0600 | [diff] [blame] | 11 | |
| 12 | #include <fstream> |
Ratan Gupta | 212f53e | 2018-04-30 17:28:05 +0530 | [diff] [blame] | 13 | |
| 14 | // Register class version |
| 15 | // From cereal documentation; |
| 16 | // "This macro should be placed at global scope" |
| 17 | CEREAL_CLASS_VERSION(phosphor::network::snmp::Client, CLASS_VERSION); |
| 18 | |
| 19 | namespace phosphor |
| 20 | { |
| 21 | namespace network |
| 22 | { |
| 23 | namespace snmp |
| 24 | { |
| 25 | |
| 26 | using namespace phosphor::logging; |
| 27 | |
| 28 | /** @brief Function required by Cereal to perform serialization. |
| 29 | * @tparam Archive - Cereal archive type (binary in our case). |
| 30 | * @param[in] archive - reference to Cereal archive. |
| 31 | * @param[in] manager - const reference to snmp manager info. |
| 32 | * @param[in] version - Class version that enables handling |
| 33 | * a serialized data across code levels |
| 34 | */ |
| 35 | template <class Archive> |
| 36 | void save(Archive& archive, const Client& manager, const std::uint32_t version) |
| 37 | { |
| 38 | archive(manager.address(), manager.port()); |
| 39 | } |
| 40 | |
| 41 | /** @brief Function required by Cereal to perform deserialization. |
| 42 | * @tparam Archive - Cereal archive type (binary in our case). |
| 43 | * @param[in] archive - reference to Cereal archive. |
| 44 | * @param[in] manager - reference to snmp manager info. |
| 45 | * @param[in] version - Class version that enables handling |
| 46 | * a serialized data across code levels |
| 47 | */ |
| 48 | template <class Archive> |
| 49 | void load(Archive& archive, Client& manager, const std::uint32_t version) |
| 50 | { |
| 51 | std::string ipaddress{}; |
| 52 | uint16_t port{}; |
| 53 | |
| 54 | archive(ipaddress, port); |
| 55 | |
| 56 | manager.address(ipaddress); |
| 57 | manager.port(port); |
| 58 | } |
| 59 | |
Ratan Gupta | a7ff385 | 2018-11-16 14:05:57 +0530 | [diff] [blame] | 60 | fs::path serialize(Id id, const Client& manager, const fs::path& dir) |
Ratan Gupta | 212f53e | 2018-04-30 17:28:05 +0530 | [diff] [blame] | 61 | { |
| 62 | fs::path fileName = dir; |
| 63 | fs::create_directories(dir); |
Ratan Gupta | a7ff385 | 2018-11-16 14:05:57 +0530 | [diff] [blame] | 64 | fileName /= std::to_string(id); |
Ratan Gupta | 212f53e | 2018-04-30 17:28:05 +0530 | [diff] [blame] | 65 | |
| 66 | std::ofstream os(fileName.string(), std::ios::binary); |
| 67 | cereal::BinaryOutputArchive oarchive(os); |
| 68 | oarchive(manager); |
| 69 | return fileName; |
| 70 | } |
| 71 | |
| 72 | bool deserialize(const fs::path& path, Client& manager) |
| 73 | { |
| 74 | try |
| 75 | { |
| 76 | if (fs::exists(path)) |
| 77 | { |
| 78 | std::ifstream is(path.c_str(), std::ios::in | std::ios::binary); |
| 79 | cereal::BinaryInputArchive iarchive(is); |
| 80 | iarchive(manager); |
| 81 | return true; |
| 82 | } |
| 83 | return false; |
| 84 | } |
Patrick Williams | c3600d8 | 2021-10-06 12:38:25 -0500 | [diff] [blame] | 85 | catch (const cereal::Exception& e) |
Ratan Gupta | 212f53e | 2018-04-30 17:28:05 +0530 | [diff] [blame] | 86 | { |
| 87 | log<level::ERR>(e.what()); |
| 88 | std::error_code ec; |
| 89 | fs::remove(path, ec); |
| 90 | return false; |
| 91 | } |
| 92 | catch (const fs::filesystem_error& e) |
| 93 | { |
| 94 | return false; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | } // namespace snmp |
| 99 | } // namespace network |
| 100 | } // namespace phosphor |