Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 1 | #include <fstream> |
| 2 | #include <iostream> |
Adriana Kobylak | c5f0bbd | 2017-01-22 14:56:04 -0600 | [diff] [blame] | 3 | #include <chrono> |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 4 | #include <cstdio> |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 5 | #include <set> |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 6 | #include <string> |
| 7 | #include <vector> |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 8 | #include <sdbusplus/vtable.hpp> |
| 9 | #include <systemd/sd-bus.h> |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 10 | #include <systemd/sd-journal.h> |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 11 | #include "elog-lookup.cpp" |
Saqib Khan | 2bb1519 | 2017-02-13 13:19:55 -0600 | [diff] [blame] | 12 | #include <phosphor-logging/elog-errors-HostEvent.hpp> |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame] | 13 | #include "config.h" |
| 14 | #include "elog_entry.hpp" |
Saqib Khan | 2bb1519 | 2017-02-13 13:19:55 -0600 | [diff] [blame] | 15 | #include <phosphor-logging/log.hpp> |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 16 | #include "log_manager.hpp" |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 17 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 18 | namespace phosphor |
| 19 | { |
| 20 | namespace logging |
| 21 | { |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 22 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 23 | void Manager::commit(uint64_t transactionId, std::string errMsg) |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 24 | { |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 25 | constexpr const auto transactionIdVar = "TRANSACTION_ID"; |
Adriana Kobylak | 27c87d9 | 2017-03-06 12:45:09 -0600 | [diff] [blame] | 26 | // Length of 'TRANSACTION_ID' string. |
Adriana Kobylak | 6721899 | 2017-02-28 12:53:37 -0600 | [diff] [blame] | 27 | constexpr const auto transactionIdVarSize = strlen(transactionIdVar); |
Adriana Kobylak | 27c87d9 | 2017-03-06 12:45:09 -0600 | [diff] [blame] | 28 | // Length of 'TRANSACTION_ID=' string. |
| 29 | constexpr const auto transactionIdVarOffset = transactionIdVarSize + 1; |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 30 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 31 | sd_journal *j = nullptr; |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 32 | int rc = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 33 | if (rc < 0) |
| 34 | { |
| 35 | logging::log<logging::level::ERR>("Failed to open journal", |
| 36 | logging::entry("DESCRIPTION=%s", strerror(-rc))); |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 37 | return; |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 38 | } |
| 39 | |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 40 | std::string transactionIdStr = std::to_string(transactionId); |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 41 | std::set<std::string> metalist(g_errMetaMap[errMsg].begin(), |
| 42 | g_errMetaMap[errMsg].end()); |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 43 | const auto& metalistHostEvent = g_errMetaMapHostEvent[errMsg]; |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame] | 44 | std::vector<std::string> additionalData; |
Adriana Kobylak | 7298dc2 | 2017-01-24 12:21:50 -0600 | [diff] [blame] | 45 | |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 46 | // TODO Remove once host event error header file is auto-generated. |
| 47 | // Also make metalist a const variable. |
| 48 | // Tracking with issue openbmc/phosphor-logging#4 |
| 49 | for (auto& metaVarStrHostEvent : metalistHostEvent) |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 50 | { |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 51 | metalist.insert(metaVarStrHostEvent); |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 52 | } |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 53 | |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 54 | // Read the journal from the end to get the most recent entry first. |
| 55 | // The result from the sd_journal_get_data() is of the form VARIABLE=value. |
| 56 | SD_JOURNAL_FOREACH_BACKWARDS(j) |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 57 | { |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 58 | const char *data = nullptr; |
| 59 | size_t length = 0; |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 60 | |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 61 | // Look for the transaction id metadata variable |
| 62 | rc = sd_journal_get_data(j, transactionIdVar, (const void **)&data, |
| 63 | &length); |
| 64 | if (rc < 0) |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 65 | { |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 66 | // This journal entry does not have the TRANSACTION_ID |
| 67 | // metadata variable. |
| 68 | continue; |
| 69 | } |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 70 | |
Adriana Kobylak | 27c87d9 | 2017-03-06 12:45:09 -0600 | [diff] [blame] | 71 | // journald does not guarantee that sd_journal_get_data() returns NULL |
| 72 | // terminated strings, so need to specify the size to use to compare, |
| 73 | // use the returned length instead of anything that relies on NULL |
| 74 | // terminators like strlen(). |
| 75 | // The data variable is in the form of 'TRANSACTION_ID=1234'. Remove |
| 76 | // the TRANSACTION_ID characters plus the (=) sign to do the comparison. |
| 77 | // 'data + transactionIdVarOffset' will be in the form of '1234'. |
| 78 | // 'length - transactionIdVarOffset' will be the length of '1234'. |
| 79 | if ((length <= (transactionIdVarOffset)) || |
| 80 | (transactionIdStr.compare(0, |
| 81 | transactionIdStr.size(), |
| 82 | data + transactionIdVarOffset, |
| 83 | length - transactionIdVarOffset) != 0)) |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 84 | { |
| 85 | // The value of the TRANSACTION_ID metadata is not the requested |
| 86 | // transaction id number. |
| 87 | continue; |
| 88 | } |
| 89 | |
| 90 | // Search for all metadata variables in the current journal entry. |
| 91 | for (auto i = metalist.cbegin(); i != metalist.cend();) |
| 92 | { |
| 93 | rc = sd_journal_get_data(j, (*i).c_str(), |
| 94 | (const void **)&data, &length); |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 95 | if (rc < 0) |
| 96 | { |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 97 | // Metadata variable not found, check next metadata variable. |
| 98 | i++; |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 99 | continue; |
| 100 | } |
| 101 | |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 102 | // Metadata variable found, save it and remove it from the set. |
| 103 | additionalData.emplace_back(data, length); |
| 104 | i = metalist.erase(i); |
| 105 | } |
| 106 | if (metalist.empty()) |
| 107 | { |
| 108 | // All metadata variables found, break out of journal loop. |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 109 | break; |
| 110 | } |
Adriana Kobylak | fbe8872 | 2017-02-22 16:49:59 -0600 | [diff] [blame] | 111 | } |
| 112 | if (!metalist.empty()) |
| 113 | { |
| 114 | // Not all the metadata variables were found in the journal. |
| 115 | for (auto& metaVarStr : metalist) |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 116 | { |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 117 | logging::log<logging::level::INFO>("Failed to find metadata", |
| 118 | logging::entry("META_FIELD=%s", metaVarStr.c_str())); |
Adriana Kobylak | 9aa7d78 | 2017-02-18 09:20:49 -0600 | [diff] [blame] | 119 | } |
| 120 | } |
| 121 | |
Adriana Kobylak | d311bc8 | 2016-10-16 09:54:40 -0500 | [diff] [blame] | 122 | sd_journal_close(j); |
| 123 | |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame] | 124 | // Create error Entry dbus object |
| 125 | entryId++; |
Adriana Kobylak | c5f0bbd | 2017-01-22 14:56:04 -0600 | [diff] [blame] | 126 | auto ms = std::chrono::duration_cast<std::chrono::milliseconds>( |
| 127 | std::chrono::system_clock::now().time_since_epoch()).count(); |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame] | 128 | auto objPath = std::string(OBJ_ENTRY) + '/' + |
Adriana Kobylak | c5f0bbd | 2017-01-22 14:56:04 -0600 | [diff] [blame] | 129 | std::to_string(entryId); |
Deepak Kodihalli | 35b4637 | 2017-02-27 04:58:18 -0600 | [diff] [blame] | 130 | AssociationList objects {}; |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame] | 131 | entries.insert(std::make_pair(entryId, std::make_unique<Entry>( |
| 132 | busLog, |
| 133 | objPath, |
| 134 | entryId, |
Adriana Kobylak | c5f0bbd | 2017-01-22 14:56:04 -0600 | [diff] [blame] | 135 | ms, // Milliseconds since 1970 |
Adriana Kobylak | 4ea7f31 | 2017-01-10 12:52:34 -0600 | [diff] [blame] | 136 | (Entry::Level)g_errLevelMap[errMsg], |
| 137 | std::move(errMsg), |
Deepak Kodihalli | 35b4637 | 2017-02-27 04:58:18 -0600 | [diff] [blame] | 138 | std::move(additionalData), |
| 139 | std::move(objects)))); |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 140 | return; |
Adriana Kobylak | 1db1bd3 | 2016-10-10 11:39:20 -0500 | [diff] [blame] | 141 | } |
| 142 | |
Adriana Kobylak | 8f7941e | 2016-11-14 14:46:23 -0600 | [diff] [blame] | 143 | } // namespace logging |
| 144 | } // namepsace phosphor |