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From ba2f5fad6f6c4ac052954606b0d22846e70d66f4 Mon Sep 17 00:00:00 2001
From: claiff <claiff@mail.ru>
Date: Wed, 21 Sep 2022 12:53:28 +0300
Subject: [PATCH] add timezone

---
 meson.build                                   |  1 -
 .../include/event_service_manager.hpp         |  2 +-
 redfish-core/lib/metric_report.hpp            | 40 ++++++++++++++-----
 3 files changed, 32 insertions(+), 11 deletions(-)

diff --git a/meson.build b/meson.build
index 2f204764..370dc4d1 100644
--- a/meson.build
+++ b/meson.build
@@ -133,7 +133,6 @@ add_project_arguments(
   '-Wformat=2',
   '-Wold-style-cast',
   '-Woverloaded-virtual',
-  '-Wsign-conversion',
   '-Wunused',
   '-Wno-attributes',
   ]),
diff --git a/redfish-core/include/event_service_manager.hpp b/redfish-core/include/event_service_manager.hpp
index 636ab5be..d1abaf0e 100644
--- a/redfish-core/include/event_service_manager.hpp
+++ b/redfish-core/include/event_service_manager.hpp
@@ -526,7 +526,7 @@ class Subscription : public persistent_data::UserSubscription
         }
 
         nlohmann::json msg;
-        if (!telemetry::fillReport(msg, reportId, var))
+        if (!telemetry::fillReport(msg, reportId, 0, var))
         {
             BMCWEB_LOG_ERROR << "Failed to fill the MetricReport for DBus "
                                 "Report with id "
diff --git a/redfish-core/lib/metric_report.hpp b/redfish-core/lib/metric_report.hpp
index 66066cbb..0cedd4d9 100644
--- a/redfish-core/lib/metric_report.hpp
+++ b/redfish-core/lib/metric_report.hpp
@@ -21,6 +21,7 @@ enum class Params
     ReportName,
     IdGroup,
     Period,
+    TimeZone,
 };
 
 enum class Periods
@@ -37,11 +38,14 @@ using Readings =
     std::list<std::tuple<std::string, double, uint64_t>>;
 using TimestampReadings = std::tuple<uint64_t, Readings>;
 
-inline std::string GetCroppedTimeStamp(uint64_t timestamp)
+inline std::string GetCroppedTimeStamp(uint64_t timestamp, int time_zone)
 {
     static constexpr char DOT_CHAR = '.';
+    static constexpr int COUNT_MS_HOUR = 60 * 60 * 1000;
 
-    auto timestamp_as_string = redfish::time_utils::getDateTimeUintMs(timestamp);
+    auto corrected_timestamp = timestamp + time_zone * COUNT_MS_HOUR;
+
+    auto timestamp_as_string = redfish::time_utils::getDateTimeUintMs(corrected_timestamp);
     auto last_dot_position = timestamp_as_string.rfind(DOT_CHAR);
     if(last_dot_position != std::string::npos)
     {
@@ -65,7 +69,7 @@ inline std::string GetCroppedValue(double value)
     return value_as_string;
 }
 
-inline nlohmann::json toMetricValues(const Readings& readings)
+inline nlohmann::json toMetricValues(const Readings& readings, int time_zone)
 {
     nlohmann::json metricValues = nlohmann::json::array_t();
 
@@ -74,14 +78,14 @@ inline nlohmann::json toMetricValues(const Readings& readings)
         metricValues.push_back({
             {"Sensor", metadata}, 
             {"Value", GetCroppedValue(sensorValue)},
-            {"Timestamp", GetCroppedTimeStamp(timestamp)},
+            {"Timestamp", GetCroppedTimeStamp(timestamp, time_zone)},
         });
     }
 
     return metricValues;
 }
 
-inline bool fillReport(nlohmann::json& json, const std::string& id,
+inline bool fillReport(nlohmann::json& json, const std::string& id, int time_zone,
                        const TimestampReadings& timestampReadings)
 {
     json["@odata.type"] = "#MetricReport.v1_3_0.MetricReport";
@@ -97,8 +101,8 @@ inline bool fillReport(nlohmann::json& json, const std::string& id,
             .string();
 
     const auto& [timestamp, readings] = timestampReadings;
-    json["Timestamp"] = GetCroppedTimeStamp(timestamp);
-    json["MetricValues"] = toMetricValues(readings);
+    json["Timestamp"] = GetCroppedTimeStamp(timestamp, time_zone);
+    json["MetricValues"] = toMetricValues(readings, time_zone);
     return true;
 }
 
@@ -140,6 +144,12 @@ inline std::pair<Params, std::string> BuildPairParams(std::vector<std::string> c
         result.first = telemetry::Params::ReportName;
         result.second = params_as_string[1];
     }
+    else if( params_as_string[0] == "timezone" )
+    {
+        result.first = telemetry::Params::TimeZone;
+        result.second = params_as_string[1];
+    }
+
     return result;
 }
 
@@ -224,11 +234,23 @@ inline void requestRoutesMetricReport(App& app)
         auto period_it = parsed_params.find(telemetry::Params::Period);
         auto period = period_it != parsed_params.end() ? period_it->second : "";
 
+        auto time_zone_it = parsed_params.find(telemetry::Params::TimeZone);
+        auto time_zone_as_string = time_zone_it != parsed_params.end() ? time_zone_it->second : "";
+
         const std::string reportPath = telemetry::getDbusReportPath(report_name);
 
         auto is_need_last_hour = telemetry::ConvertPeriod(period) == telemetry::Periods::LastHour;
 
-        crow::connections::systemBus->async_method_call([asyncResp, report_name, period](const boost::system::error_code& error_code,
+        int time_zone_as_int = 0;
+        try
+        {
+            time_zone_as_int = std::stoi( time_zone_as_string );
+        }
+        catch (...)
+        {
+            time_zone_as_int = 0;
+        }
+        crow::connections::systemBus->async_method_call([asyncResp, report_name, period, time_zone_as_int](const boost::system::error_code& error_code,
                                                            const telemetry::TimestampReadings& ret){
                 if(error_code.value() == EBADR ||
                     error_code == boost::system::errc::host_unreachable)
@@ -243,7 +265,7 @@ inline void requestRoutesMetricReport(App& app)
                     return;
                  }
 
-                telemetry::fillReport(asyncResp->res.jsonValue,report_name, ret);
+                telemetry::fillReport(asyncResp->res.jsonValue,report_name, time_zone_as_int, ret);
             },
             telemetry::service, reportPath, telemetry::reportInterface,
             "GetReadings", is_need_last_hour);