Jayashankar Padath | db12436 | 2021-01-28 21:12:34 -0600 | [diff] [blame] | 1 | #include "dbus_to_file_handler.hpp" |
| 2 | |
| 3 | #include "libpldm/requester/pldm.h" |
| 4 | #include "oem/ibm/libpldm/file_io.h" |
| 5 | |
| 6 | #include "common/utils.hpp" |
| 7 | |
| 8 | namespace pldm |
| 9 | { |
| 10 | namespace requester |
| 11 | { |
| 12 | namespace oem_ibm |
| 13 | { |
| 14 | |
| 15 | using namespace pldm::utils; |
| 16 | using namespace sdbusplus::bus::match::rules; |
| 17 | |
| 18 | static constexpr auto resDumpObjPath = |
| 19 | "/xyz/openbmc_project/dump/resource/entry"; |
| 20 | static constexpr auto resDumpEntry = "com.ibm.Dump.Entry.Resource"; |
| 21 | static constexpr auto resDumpProgressIntf = |
| 22 | "xyz.openbmc_project.Common.Progress"; |
| 23 | static constexpr auto resDumpStatus = |
| 24 | "xyz.openbmc_project.Common.Progress.OperationStatus.Failed"; |
| 25 | |
| 26 | DbusToFileHandler::DbusToFileHandler( |
| 27 | int mctp_fd, uint8_t mctp_eid, dbus_api::Requester* requester, |
| 28 | sdbusplus::message::object_path resDumpCurrentObjPath) : |
| 29 | mctp_fd(mctp_fd), |
| 30 | mctp_eid(mctp_eid), requester(requester), |
| 31 | resDumpCurrentObjPath(resDumpCurrentObjPath) |
| 32 | {} |
| 33 | |
| 34 | void DbusToFileHandler::sendNewFileAvailableCmd(uint64_t fileSize) |
| 35 | { |
| 36 | if (requester == NULL) |
| 37 | { |
| 38 | std::cerr << "Failed to send resource dump parameters as requester is " |
| 39 | "not set"; |
| 40 | pldm::utils::reportError( |
| 41 | "xyz.openbmc_project.bmc.pldm.InternalFailure"); |
| 42 | return; |
| 43 | } |
| 44 | auto instanceId = requester->getInstanceId(mctp_eid); |
| 45 | std::vector<uint8_t> requestMsg(sizeof(pldm_msg_hdr) + |
| 46 | PLDM_NEW_FILE_REQ_BYTES + fileSize); |
| 47 | auto request = reinterpret_cast<pldm_msg*>(requestMsg.data()); |
| 48 | // Need to revisit this logic at the time of multiple resource dump support |
| 49 | uint32_t fileHandle = 1; |
| 50 | |
| 51 | auto rc = |
| 52 | encode_new_file_req(instanceId, PLDM_FILE_TYPE_RESOURCE_DUMP_PARMS, |
| 53 | fileHandle, fileSize, request); |
| 54 | if (rc != PLDM_SUCCESS) |
| 55 | { |
| 56 | requester->markFree(mctp_eid, instanceId); |
| 57 | std::cerr << "Failed to encode_new_file_req, rc = " << rc << std::endl; |
| 58 | return; |
| 59 | } |
| 60 | |
| 61 | uint8_t* responseMsg = nullptr; |
| 62 | size_t responseMsgSize{}; |
| 63 | |
| 64 | auto requesterRc = |
| 65 | pldm_send_recv(mctp_eid, mctp_fd, requestMsg.data(), requestMsg.size(), |
| 66 | &responseMsg, &responseMsgSize); |
| 67 | |
| 68 | std::unique_ptr<uint8_t, decltype(std::free)*> responseMsgPtr{responseMsg, |
| 69 | std::free}; |
| 70 | |
| 71 | requester->markFree(mctp_eid, instanceId); |
| 72 | bool isDecodeNewFileRespFailed = false; |
| 73 | if (requesterRc != PLDM_REQUESTER_SUCCESS) |
| 74 | { |
| 75 | std::cerr << "Failed to send resource dump parameters, rc = " |
| 76 | << requesterRc << std::endl; |
| 77 | } |
| 78 | else |
| 79 | { |
| 80 | uint8_t completionCode{}; |
| 81 | auto responsePtr = |
| 82 | reinterpret_cast<struct pldm_msg*>(responseMsgPtr.get()); |
| 83 | |
| 84 | rc = decode_new_file_resp(responsePtr, PLDM_NEW_FILE_RESP_BYTES, |
| 85 | &completionCode); |
| 86 | |
| 87 | if (rc != PLDM_SUCCESS || completionCode != PLDM_SUCCESS) |
| 88 | { |
| 89 | std::cerr << "Failed to decode_new_file_resp: " |
| 90 | << "rc=" << rc |
| 91 | << ", cc=" << static_cast<unsigned>(completionCode) |
| 92 | << std::endl; |
| 93 | isDecodeNewFileRespFailed = true; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | if ((requesterRc != PLDM_REQUESTER_SUCCESS) || (isDecodeNewFileRespFailed)) |
| 98 | { |
| 99 | pldm::utils::reportError( |
| 100 | "xyz.openbmc_project.bmc.pldm.InternalFailure"); |
| 101 | |
| 102 | PropertyValue value{resDumpStatus}; |
| 103 | DBusMapping dbusMapping{resDumpCurrentObjPath, resDumpProgressIntf, |
| 104 | "Status", "string"}; |
| 105 | try |
| 106 | { |
| 107 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 108 | } |
| 109 | catch (const std::exception& e) |
| 110 | { |
| 111 | std::cerr << "failed to set resource dump operation status, " |
| 112 | "ERROR=" |
| 113 | << e.what() << "\n"; |
| 114 | } |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | void DbusToFileHandler::processNewResourceDump( |
| 119 | const std::string& vspString, const std::string& resDumpReqPass) |
| 120 | { |
| 121 | // This needs special handling in later point of time. Resource dump without |
| 122 | // the vsp string is supposed to be a non-disruptive system dump. |
| 123 | if (vspString.empty()) |
| 124 | { |
| 125 | std::cerr << "Empty vsp string" |
| 126 | << "\n"; |
| 127 | PropertyValue value{resDumpStatus}; |
| 128 | DBusMapping dbusMapping{resDumpCurrentObjPath, resDumpProgressIntf, |
| 129 | "Status", "string"}; |
| 130 | try |
| 131 | { |
| 132 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 133 | } |
| 134 | catch (const std::exception& e) |
| 135 | { |
| 136 | std::cerr << "failed to set resource dump operation status, " |
| 137 | "ERROR=" |
| 138 | << e.what() << "\n"; |
| 139 | } |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | namespace fs = std::filesystem; |
| 144 | const fs::path resDumpDirPath = "/var/lib/pldm/resourcedump"; |
| 145 | |
| 146 | if (!fs::exists(resDumpDirPath)) |
| 147 | { |
| 148 | fs::create_directories(resDumpDirPath); |
| 149 | } |
| 150 | |
| 151 | // Need to reconsider this logic to set the value as "1" when we have the |
| 152 | // support to handle multiple resource dumps |
| 153 | fs::path resDumpFilePath = resDumpDirPath / "1"; |
| 154 | |
| 155 | std::ofstream fileHandle; |
| 156 | fileHandle.open(resDumpFilePath, std::ios::out | std::ofstream::binary); |
| 157 | |
| 158 | if (!fileHandle) |
| 159 | { |
| 160 | std::cerr << "resource dump file open error: " << resDumpFilePath |
| 161 | << "\n"; |
| 162 | PropertyValue value{resDumpStatus}; |
| 163 | DBusMapping dbusMapping{resDumpCurrentObjPath, resDumpProgressIntf, |
| 164 | "Status", "string"}; |
| 165 | try |
| 166 | { |
| 167 | pldm::utils::DBusHandler().setDbusProperty(dbusMapping, value); |
| 168 | } |
| 169 | catch (const std::exception& e) |
| 170 | { |
| 171 | std::cerr << "failed to set resource dump operation status, " |
| 172 | "ERROR=" |
| 173 | << e.what() << "\n"; |
| 174 | } |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | // Fill up the file with resource dump parameters and respective sizes |
| 179 | auto fileFunc = [&fileHandle](auto& paramBuf) { |
| 180 | uint32_t paramSize = paramBuf.size(); |
| 181 | fileHandle.write((char*)¶mSize, sizeof(paramSize)); |
| 182 | fileHandle << paramBuf; |
| 183 | }; |
| 184 | fileFunc(vspString); |
| 185 | fileFunc(resDumpReqPass); |
| 186 | |
| 187 | fileHandle.close(); |
| 188 | size_t fileSize = fs::file_size(resDumpFilePath); |
| 189 | |
| 190 | sendNewFileAvailableCmd(fileSize); |
| 191 | } |
| 192 | |
| 193 | } // namespace oem_ibm |
| 194 | } // namespace requester |
| 195 | } // namespace pldm |