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 | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame^] | 10 | #include "config.h" |
| 11 | #include "elog_entry.hpp" |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 12 | #include "log.hpp" |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 13 | #include "log_manager.hpp" |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 14 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 15 | namespace phosphor |
| 16 | { |
| 17 | namespace logging |
| 18 | { |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 19 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 20 | void Manager::commit(uint64_t transactionId, std::string errMsg) |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 21 | { |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 22 | // TODO Change /tmp path to a permanent location on flash |
| 23 | constexpr const auto path = "/tmp/elog"; |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 24 | constexpr const auto transactionIdVar = "TRANSACTION_ID"; |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 25 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 26 | std::string filename{}; |
| 27 | filename.append(path); |
| 28 | // TODO Create error logs in their own separate dir once permanent location |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 29 | // on flash is determined. Ex: ../transactionId/1 |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 30 | std::ofstream efile; |
| 31 | efile.open(filename); |
| 32 | efile << "{" << std::endl; |
| 33 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 34 | sd_journal *j = nullptr; |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 35 | int rc = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 36 | if (rc < 0) |
| 37 | { |
| 38 | logging::log<logging::level::ERR>("Failed to open journal", |
| 39 | logging::entry("DESCRIPTION=%s", strerror(-rc))); |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 40 | return; |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 41 | } |
| 42 | |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 43 | std::string transactionIdStr = std::to_string(transactionId); |
| 44 | std::vector<std::string> metalist = g_errMetaMap[errMsg]; |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame^] | 45 | std::vector<std::string> additionalData; |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 46 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 47 | // Read the journal from the end to get the most recent entry first. |
| 48 | // The result from the sd_journal_get_data() is of the form VARIABLE=value. |
| 49 | SD_JOURNAL_FOREACH_BACKWARDS(j) |
| 50 | { |
| 51 | const char *data = nullptr; |
| 52 | size_t length = 0; |
| 53 | |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 54 | // Look for the transaction id metadata variable |
| 55 | rc = sd_journal_get_data(j, transactionIdVar, (const void **)&data, |
| 56 | &length); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 57 | if (rc < 0) |
| 58 | { |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 59 | // This journal entry does not have the transaction id, |
| 60 | // continue to next entry |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 61 | continue; |
| 62 | } |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 63 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 64 | std::string result(data); |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 65 | if (result.find(transactionIdStr) == std::string::npos) |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 66 | { |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 67 | // Requested transaction id not found, |
| 68 | // continue to next journal entry. |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 69 | continue; |
| 70 | } |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 71 | // Match found, write to file |
| 72 | // TODO This is a draft format based on the redfish event logs written |
| 73 | // in json, the final openbmc format is to be determined |
| 74 | efile << "\t{" << std::endl; |
| 75 | efile << "\t\"@" << data << "\"," << std::endl; |
| 76 | |
| 77 | // Include the journal message |
| 78 | rc = sd_journal_get_data(j, "MESSAGE", (const void **)&data, &length); |
| 79 | if (rc < 0) |
| 80 | { |
| 81 | continue; |
| 82 | } |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame^] | 83 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 84 | efile << "\t\"@" << data << "\"," << std::endl; |
| 85 | |
| 86 | // Search for the metadata variables in the current journal entry |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 87 | for (auto metaVarStr : metalist) |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 88 | { |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 89 | rc = sd_journal_get_data(j, metaVarStr.c_str(), |
| 90 | (const void **)&data, &length); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 91 | if (rc < 0) |
| 92 | { |
| 93 | // Not found, continue to next metadata variable |
| 94 | logging::log<logging::level::INFO>("Failed to find metadata", |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 95 | logging::entry("META_FIELD=%s", metaVarStr.c_str())); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 96 | continue; |
| 97 | } |
| 98 | |
| 99 | // Metatdata variable found, write to file |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame^] | 100 | additionalData.push_back(std::string(data)); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 101 | efile << "\t\"@" << data << "\"," << std::endl; |
| 102 | } |
| 103 | efile << "\t}" << std::endl; |
| 104 | |
| 105 | // TODO Break only once all metadata fields have been found. Implement |
| 106 | // once this function reads the metadata fields from the header file. |
| 107 | break; |
| 108 | } |
| 109 | sd_journal_close(j); |
| 110 | |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame^] | 111 | // Create error Entry dbus object |
| 112 | entryId++; |
| 113 | auto objPath = std::string(OBJ_ENTRY) + '/' + |
| 114 | std::to_string(entryId); |
| 115 | entries.insert(std::make_pair(entryId, std::make_unique<Entry>( |
| 116 | busLog, |
| 117 | objPath, |
| 118 | entryId, |
| 119 | (Entry::Level)g_errLevelMap[errMsg], |
| 120 | std::move(errMsg), |
| 121 | std::move(additionalData)))); |
| 122 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 123 | efile << "}" << std::endl; |
| 124 | efile.close(); |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 125 | return; |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 126 | } |
| 127 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 128 | } // namespace logging |
| 129 | } // namepsace phosphor |