Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 1 | #include <fstream> |
| 2 | #include <iostream> |
| 3 | #include <cstdio> |
| 4 | #include <string> |
| 5 | #include <vector> |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 6 | #include <sdbusplus/vtable.hpp> |
| 7 | #include <systemd/sd-bus.h> |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 8 | #include <systemd/sd-journal.h> |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 9 | #include "elog-lookup.cpp" |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 10 | #include "log.hpp" |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 11 | #include "log_manager.hpp" |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 12 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 13 | namespace phosphor |
| 14 | { |
| 15 | namespace logging |
| 16 | { |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 17 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 18 | void Manager::commit(uint64_t transactionId, std::string errMsg) |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 19 | { |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 20 | // TODO Change /tmp path to a permanent location on flash |
| 21 | constexpr const auto path = "/tmp/elog"; |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 22 | constexpr const auto transactionIdVar = "TRANSACTION_ID"; |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 23 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 24 | // Create log file |
| 25 | std::string filename{}; |
| 26 | filename.append(path); |
| 27 | // TODO Create error logs in their own separate dir once permanent location |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 28 | // on flash is determined. Ex: ../transactionId/1 |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 29 | std::ofstream efile; |
| 30 | efile.open(filename); |
| 31 | efile << "{" << std::endl; |
| 32 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 33 | sd_journal *j = nullptr; |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 34 | int rc = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 35 | if (rc < 0) |
| 36 | { |
| 37 | logging::log<logging::level::ERR>("Failed to open journal", |
| 38 | logging::entry("DESCRIPTION=%s", strerror(-rc))); |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 39 | return; |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 40 | } |
| 41 | |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 42 | std::string transactionIdStr = std::to_string(transactionId); |
| 43 | std::vector<std::string> metalist = g_errMetaMap[errMsg]; |
| 44 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 45 | // Read the journal from the end to get the most recent entry first. |
| 46 | // The result from the sd_journal_get_data() is of the form VARIABLE=value. |
| 47 | SD_JOURNAL_FOREACH_BACKWARDS(j) |
| 48 | { |
| 49 | const char *data = nullptr; |
| 50 | size_t length = 0; |
| 51 | |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 52 | // Look for the transaction id metadata variable |
| 53 | rc = sd_journal_get_data(j, transactionIdVar, (const void **)&data, |
| 54 | &length); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 55 | if (rc < 0) |
| 56 | { |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 57 | // This journal entry does not have the transaction id, |
| 58 | // continue to next entry |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 59 | continue; |
| 60 | } |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 61 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 62 | std::string result(data); |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 63 | if (result.find(transactionIdStr) == std::string::npos) |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 64 | { |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 65 | // Requested transaction id not found, |
| 66 | // continue to next journal entry. |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 67 | continue; |
| 68 | } |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 69 | // Match found, write to file |
| 70 | // TODO This is a draft format based on the redfish event logs written |
| 71 | // in json, the final openbmc format is to be determined |
| 72 | efile << "\t{" << std::endl; |
| 73 | efile << "\t\"@" << data << "\"," << std::endl; |
| 74 | |
| 75 | // Include the journal message |
| 76 | rc = sd_journal_get_data(j, "MESSAGE", (const void **)&data, &length); |
| 77 | if (rc < 0) |
| 78 | { |
| 79 | continue; |
| 80 | } |
| 81 | efile << "\t\"@" << data << "\"," << std::endl; |
| 82 | |
| 83 | // Search for the metadata variables in the current journal entry |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 84 | for (auto metaVarStr : metalist) |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 85 | { |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 86 | rc = sd_journal_get_data(j, metaVarStr.c_str(), |
| 87 | (const void **)&data, &length); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 88 | if (rc < 0) |
| 89 | { |
| 90 | // Not found, continue to next metadata variable |
| 91 | logging::log<logging::level::INFO>("Failed to find metadata", |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 92 | logging::entry("META_FIELD=%s", metaVarStr.c_str())); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 93 | continue; |
| 94 | } |
| 95 | |
| 96 | // Metatdata variable found, write to file |
| 97 | efile << "\t\"@" << data << "\"," << std::endl; |
| 98 | } |
| 99 | efile << "\t}" << std::endl; |
| 100 | |
| 101 | // TODO Break only once all metadata fields have been found. Implement |
| 102 | // once this function reads the metadata fields from the header file. |
| 103 | break; |
| 104 | } |
| 105 | sd_journal_close(j); |
| 106 | |
| 107 | efile << "}" << std::endl; |
| 108 | efile.close(); |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 109 | return; |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 110 | } |
| 111 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 112 | } // namespace logging |
| 113 | } // namepsace phosphor |