Sampa Misra | 1896716 | 2020-01-14 02:31:41 -0600 | [diff] [blame^] | 1 | #include "file_io_type_dump.hpp" |
| 2 | |
| 3 | #include "utils.hpp" |
| 4 | #include "xyz/openbmc_project/Common/error.hpp" |
| 5 | |
| 6 | #include <stdint.h> |
| 7 | #include <systemd/sd-bus.h> |
| 8 | #include <unistd.h> |
| 9 | |
| 10 | #include <exception> |
| 11 | #include <filesystem> |
| 12 | #include <iostream> |
| 13 | #include <sdbusplus/server.hpp> |
| 14 | #include <xyz/openbmc_project/Dump/NewDump/server.hpp> |
| 15 | |
| 16 | #include "libpldm/base.h" |
| 17 | #include "oem/ibm/libpldm/file_io.h" |
| 18 | |
| 19 | namespace pldm |
| 20 | { |
| 21 | namespace responder |
| 22 | { |
| 23 | |
| 24 | static constexpr auto nbdInterface = "/dev/nbd1"; |
| 25 | |
| 26 | int DumpHandler::fd = -1; |
| 27 | |
| 28 | int DumpHandler::newFileAvailable(uint64_t length) |
| 29 | { |
| 30 | static constexpr auto dumpObjPath = "/xyz/openbmc_project/dump"; |
| 31 | static constexpr auto dumpInterface = "xyz.openbmc_project.Dump.NewDump"; |
| 32 | |
| 33 | auto& bus = pldm::utils::DBusHandler::getBus(); |
| 34 | |
| 35 | try |
| 36 | { |
| 37 | auto service = |
| 38 | pldm::utils::DBusHandler().getService(dumpObjPath, dumpInterface); |
| 39 | using namespace sdbusplus::xyz::openbmc_project::Dump::server; |
| 40 | auto method = bus.new_method_call(service.c_str(), dumpObjPath, |
| 41 | dumpInterface, "Notify"); |
| 42 | method.append( |
| 43 | sdbusplus::xyz::openbmc_project::Dump::server::convertForMessage( |
| 44 | NewDump::DumpType::System), |
| 45 | fileHandle, length); |
| 46 | bus.call_noreply(method); |
| 47 | } |
| 48 | catch (const std::exception& e) |
| 49 | { |
| 50 | std::cerr << "failed to make a d-bus call to DUMP manager, ERROR=" |
| 51 | << e.what() << "\n"; |
| 52 | return PLDM_ERROR; |
| 53 | } |
| 54 | |
| 55 | return PLDM_SUCCESS; |
| 56 | } |
| 57 | |
| 58 | int DumpHandler::writeFromMemory(uint32_t offset, uint32_t length, |
| 59 | uint64_t address) |
| 60 | { |
| 61 | int flags = O_WRONLY | O_CREAT | O_TRUNC | O_LARGEFILE; |
| 62 | |
| 63 | if (DumpHandler::fd == -1) |
| 64 | { |
| 65 | DumpHandler::fd = open(nbdInterface, flags); |
| 66 | if (DumpHandler::fd == -1) |
| 67 | { |
| 68 | std::cerr << "NBD file does not exist at " << nbdInterface |
| 69 | << " ERROR=" << errno << "\n"; |
| 70 | return PLDM_ERROR; |
| 71 | } |
| 72 | } |
| 73 | return transferFileData(DumpHandler::fd, false, offset, length, address); |
| 74 | } |
| 75 | |
| 76 | int DumpHandler::write(const char* buffer, uint32_t offset, uint32_t& length) |
| 77 | { |
| 78 | int flags = O_WRONLY | O_CREAT | O_TRUNC | O_LARGEFILE; |
| 79 | if (DumpHandler::fd == -1) |
| 80 | { |
| 81 | DumpHandler::fd = open(nbdInterface, flags); |
| 82 | if (DumpHandler::fd == -1) |
| 83 | { |
| 84 | std::cerr << "NBD file does not exist at " << nbdInterface |
| 85 | << " ERROR=" << errno << "\n"; |
| 86 | return PLDM_ERROR; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | int rc = lseek(DumpHandler::fd, offset, SEEK_SET); |
| 91 | if (rc == -1) |
| 92 | { |
| 93 | std::cerr << "lseek failed, ERROR=" << errno << ", OFFSET=" << offset |
| 94 | << "\n"; |
| 95 | return PLDM_ERROR; |
| 96 | } |
| 97 | rc = ::write(DumpHandler::fd, buffer, length); |
| 98 | if (rc == -1) |
| 99 | { |
| 100 | std::cerr << "file write failed, ERROR=" << errno |
| 101 | << ", LENGTH=" << length << ", OFFSET=" << offset << "\n"; |
| 102 | return PLDM_ERROR; |
| 103 | } |
| 104 | length = rc; |
| 105 | |
| 106 | return PLDM_SUCCESS; |
| 107 | } |
| 108 | |
| 109 | } // namespace responder |
| 110 | } // namespace pldm |