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#include "dbus_log_watcher.hpp"
#include "dbus_singleton.hpp"
#include "dbus_utility.hpp"
#include "event_logs_object_type.hpp"
#include "event_service_manager.hpp"
#include "logging.hpp"
#include "telemetry_readings.hpp"
#include "utils/dbus_event_log_entry.hpp"
#include "utils/time_utils.hpp"
#include <sdbusplus/bus/match.hpp>
#include <sdbusplus/message.hpp>
#include <sdbusplus/message/native_types.hpp>
#include <algorithm>
#include <optional>
#include <string>
#include <variant>
#include <vector>
namespace redfish
{
bool DbusEventLogMonitor::eventLogObjectFromDBus(
const dbus::utility::DBusPropertiesMap& map, EventLogObjectsType& event)
{
std::optional<DbusEventLogEntry> optEntry =
fillDbusEventLogEntryFromPropertyMap(map);
if (!optEntry.has_value())
{
BMCWEB_LOG_ERROR(
"Could not construct event log entry from dbus properties");
return false;
}
DbusEventLogEntry& entry = optEntry.value();
event.id = std::to_string(entry.Id);
event.timestamp = redfish::time_utils::getDateTimeUintMs(entry.Timestamp);
// This dbus property is not documented to contain the Redfish Message Id,
// but can be used as such. As a temporary solution that is sufficient,
// the event filtering code will drop the event anyways if event.messageId
// is not valid.
//
// This will need resolved before
// experimental-redfish-dbus-log-subscription is stabilized
event.messageId = entry.Message;
// The order of 'AdditionalData' is not what's specified in an e.g.
// busctl call to create the Event Log Entry. So it cannot be used
// to map to the message args. Leaving this branch here for it to be
// implemented when the mapping is available
return true;
}
static void dbusEventLogMatchHandlerSingleEntry(
const dbus::utility::DBusPropertiesMap& map)
{
std::vector<EventLogObjectsType> eventRecords;
EventLogObjectsType& event = eventRecords.emplace_back();
bool success = DbusEventLogMonitor::eventLogObjectFromDBus(map, event);
if (!success)
{
BMCWEB_LOG_ERROR("Could not parse event log entry from dbus");
return;
}
BMCWEB_LOG_DEBUG("Found Event Log Entry Id={}, Timestamp={}, Message={}",
event.id, event.timestamp, event.messageId);
EventServiceManager::sendEventsToSubs(eventRecords);
}
static void onDbusEventLogCreated(sdbusplus::message_t& msg)
{
BMCWEB_LOG_DEBUG("Handling new DBus Event Log Entry");
sdbusplus::message::object_path objectPath;
dbus::utility::DBusInterfacesMap interfaces;
msg.read(objectPath, interfaces);
for (auto& pair : interfaces)
{
BMCWEB_LOG_DEBUG("Found dbus interface {}", pair.first);
if (pair.first == "xyz.openbmc_project.Logging.Entry")
{
const dbus::utility::DBusPropertiesMap& map = pair.second;
dbusEventLogMatchHandlerSingleEntry(map);
}
}
}
const std::string propertiesMatchString =
sdbusplus::bus::match::rules::type::signal() +
sdbusplus::bus::match::rules::sender("xyz.openbmc_project.Logging") +
sdbusplus::bus::match::rules::interface(
"org.freedesktop.DBus.ObjectManager") +
sdbusplus::bus::match::rules::path("/xyz/openbmc_project/logging") +
sdbusplus::bus::match::rules::member("InterfacesAdded");
DbusEventLogMonitor::DbusEventLogMonitor() :
dbusEventLogMonitor(*crow::connections::systemBus, propertiesMatchString,
onDbusEventLogCreated)
{}
static void getReadingsForReport(sdbusplus::message_t& msg)
{
if (msg.is_method_error())
{
BMCWEB_LOG_ERROR("TelemetryMonitor Signal error");
return;
}
sdbusplus::message::object_path path(msg.get_path());
std::string id = path.filename();
if (id.empty())
{
BMCWEB_LOG_ERROR("Failed to get Id from path");
return;
}
std::string interface;
dbus::utility::DBusPropertiesMap props;
std::vector<std::string> invalidProps;
msg.read(interface, props, invalidProps);
auto found = std::ranges::find_if(props, [](const auto& x) {
return x.first == "Readings";
});
if (found == props.end())
{
BMCWEB_LOG_INFO("Failed to get Readings from Report properties");
return;
}
const telemetry::TimestampReadings* readings =
std::get_if<telemetry::TimestampReadings>(&found->second);
if (readings == nullptr)
{
BMCWEB_LOG_INFO("Failed to get Readings from Report properties");
return;
}
EventServiceManager::sendTelemetryReportToSubs(id, *readings);
}
const std::string telemetryMatchStr =
"type='signal',member='PropertiesChanged',"
"interface='org.freedesktop.DBus.Properties',"
"arg0=xyz.openbmc_project.Telemetry.Report";
DbusTelemetryMonitor::DbusTelemetryMonitor() :
matchTelemetryMonitor(*crow::connections::systemBus, telemetryMatchStr,
getReadingsForReport)
{}
} // namespace redfish
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