Lei YU | 5e0dcb3 | 2019-08-02 18:04:34 +0800 | [diff] [blame] | 1 | #include "config.h" |
| 2 | |
| 3 | #include "utils.hpp" |
| 4 | |
Lei YU | ad90ad5 | 2019-08-06 11:19:28 +0800 | [diff] [blame^] | 5 | #include <openssl/sha.h> |
| 6 | |
Lei YU | 5e0dcb3 | 2019-08-02 18:04:34 +0800 | [diff] [blame] | 7 | #include <fstream> |
| 8 | |
| 9 | namespace utils |
| 10 | { |
| 11 | |
| 12 | namespace // anonymous |
| 13 | { |
| 14 | constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper"; |
| 15 | constexpr auto MAPPER_PATH = "/xyz/openbmc_project/object_mapper"; |
| 16 | constexpr auto MAPPER_INTERFACE = "xyz.openbmc_project.ObjectMapper"; |
| 17 | } // namespace |
| 18 | |
| 19 | std::vector<std::string> getPSUInventoryPath(sdbusplus::bus::bus& bus) |
| 20 | { |
| 21 | std::vector<std::string> paths; |
| 22 | auto method = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH, |
| 23 | MAPPER_INTERFACE, "GetSubTreePaths"); |
| 24 | method.append(PSU_INVENTORY_PATH_BASE); |
| 25 | method.append(0); // Depth 0 to search all |
| 26 | method.append(std::vector<std::string>({PSU_INVENTORY_IFACE})); |
| 27 | auto reply = bus.call(method); |
| 28 | |
| 29 | reply.read(paths); |
| 30 | return paths; |
| 31 | } |
| 32 | |
Lei YU | ad90ad5 | 2019-08-06 11:19:28 +0800 | [diff] [blame^] | 33 | std::string getService(sdbusplus::bus::bus& bus, const char* path, |
| 34 | const char* interface) |
| 35 | { |
| 36 | auto mapper = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH, |
| 37 | MAPPER_INTERFACE, "GetObject"); |
| 38 | |
| 39 | mapper.append(path, std::vector<std::string>({interface})); |
| 40 | try |
| 41 | { |
| 42 | auto mapperResponseMsg = bus.call(mapper); |
| 43 | |
| 44 | std::vector<std::pair<std::string, std::vector<std::string>>> |
| 45 | mapperResponse; |
| 46 | mapperResponseMsg.read(mapperResponse); |
| 47 | if (mapperResponse.empty()) |
| 48 | { |
| 49 | log<level::ERR>("Error reading mapper response"); |
| 50 | throw std::runtime_error("Error reading mapper response"); |
| 51 | } |
| 52 | if (mapperResponse.size() < 1) |
| 53 | { |
| 54 | return ""; |
| 55 | } |
| 56 | return mapperResponse[0].first; |
| 57 | } |
| 58 | catch (const sdbusplus::exception::SdBusError& ex) |
| 59 | { |
| 60 | log<level::ERR>("Mapper call failed", entry("METHOD=%d", "GetObject"), |
| 61 | entry("PATH=%s", path), |
| 62 | entry("INTERFACE=%s", interface)); |
| 63 | throw std::runtime_error("Mapper call failed"); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | std::string getVersionId(const std::string& version) |
| 68 | { |
| 69 | if (version.empty()) |
| 70 | { |
| 71 | log<level::ERR>("Error version is empty"); |
| 72 | return {}; |
| 73 | } |
| 74 | |
| 75 | unsigned char digest[SHA512_DIGEST_LENGTH]; |
| 76 | SHA512_CTX ctx; |
| 77 | SHA512_Init(&ctx); |
| 78 | SHA512_Update(&ctx, version.c_str(), strlen(version.c_str())); |
| 79 | SHA512_Final(digest, &ctx); |
| 80 | char mdString[SHA512_DIGEST_LENGTH * 2 + 1]; |
| 81 | for (int i = 0; i < SHA512_DIGEST_LENGTH; i++) |
| 82 | { |
| 83 | snprintf(&mdString[i * 2], 3, "%02x", (unsigned int)digest[i]); |
| 84 | } |
| 85 | |
| 86 | // Only need 8 hex digits. |
| 87 | std::string hexId = std::string(mdString); |
| 88 | return (hexId.substr(0, 8)); |
| 89 | } |
| 90 | |
Lei YU | 5e0dcb3 | 2019-08-02 18:04:34 +0800 | [diff] [blame] | 91 | } // namespace utils |