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// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright OpenBMC Authors
#pragma once
#include "bmcweb_config.h"
#include "app.hpp"
#include "async_resp.hpp"
#include "dbus_utility.hpp"
#include "error_messages.hpp"
#include "http_request.hpp"
#include "logging.hpp"
#include "query.hpp"
#include "registries/privilege_registry.hpp"
#include <boost/asio/error.hpp>
#include <boost/beast/http/verb.hpp>
#include <boost/system/error_code.hpp>
#include <boost/system/linux_error.hpp>
#include <boost/url/format.hpp>
#include <nlohmann/json.hpp>
#include <chrono>
#include <cmath>
#include <cstdint>
#include <functional>
#include <memory>
#include <ratio>
#include <source_location>
#include <string>
namespace redfish
{
static constexpr auto healthMonitorServiceName =
"xyz.openbmc_project.HealthMon";
static constexpr auto valueInterface = "xyz.openbmc_project.Metric.Value";
static constexpr auto valueProperty = "Value";
inline bool checkErrors(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
const boost::system::error_code& ec,
const std::source_location src = std::source_location::current())
{
if (ec.value() == boost::asio::error::basic_errors::host_unreachable)
{
BMCWEB_LOG_WARNING("Failed to find server, Dbus error {}", ec);
return true;
}
if (ec.value() == boost::system::linux_error::bad_request_descriptor)
{
BMCWEB_LOG_WARNING("Invalid Path, Dbus error {}", ec);
return true;
}
if (ec)
{
BMCWEB_LOG_ERROR("{} failed, error {}", src.function_name(), ec);
messages::internalError(asyncResp->res);
return true;
}
return false;
}
inline void setBytesProperty(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
const nlohmann::json::json_pointer& jPtr,
const boost::system::error_code& ec, double bytes)
{
if (checkErrors(asyncResp, ec))
{
return;
}
if (!std::isfinite(bytes))
{
BMCWEB_LOG_WARNING("Property read for {} was not finite",
jPtr.to_string());
asyncResp->res.jsonValue[jPtr] = nullptr;
return;
}
// If the param is in Kib, make it Kib. Redfish uses this as a naming
// DBus represents as bytes
if (std::string_view(jPtr.back()).ends_with("KiB"))
{
bytes /= 1024.0;
}
asyncResp->res.jsonValue[jPtr] = static_cast<int64_t>(bytes);
}
inline void managerGetStorageStatistics(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
constexpr auto freeStorageObjPath =
"/xyz/openbmc_project/metric/bmc/storage/rw";
dbus::utility::getProperty<double>(
healthMonitorServiceName, freeStorageObjPath, valueInterface,
valueProperty,
std::bind_front(setBytesProperty, asyncResp,
nlohmann::json::json_pointer("/FreeStorageSpaceKiB")));
}
inline void setPercentProperty(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
const nlohmann::json::json_pointer& jPtr,
const boost::system::error_code& ec, double userCPU)
{
if (checkErrors(asyncResp, ec))
{
return;
}
if (!std::isfinite(userCPU))
{
asyncResp->res.jsonValue[jPtr] = nullptr;
return;
}
static constexpr double roundFactor = 10000; // 4 decimal places
asyncResp->res.jsonValue[jPtr] =
std::round(userCPU * roundFactor) / roundFactor;
}
inline void managerGetProcessorStatistics(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
constexpr auto kernelCPUObjPath =
"/xyz/openbmc_project/metric/bmc/cpu/kernel";
constexpr auto userCPUObjPath = "/xyz/openbmc_project/metric/bmc/cpu/user";
using json_pointer = nlohmann::json::json_pointer;
dbus::utility::getProperty<double>(
healthMonitorServiceName, kernelCPUObjPath, valueInterface,
valueProperty,
std::bind_front(setPercentProperty, asyncResp,
json_pointer("/ProcessorStatistics/KernelPercent")));
dbus::utility::getProperty<double>(
healthMonitorServiceName, userCPUObjPath, valueInterface, valueProperty,
std::bind_front(setPercentProperty, asyncResp,
json_pointer("/ProcessorStatistics/UserPercent")));
}
inline void managerGetMemoryStatistics(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
using json_pointer = nlohmann::json::json_pointer;
constexpr auto availableMemoryObjPath =
"/xyz/openbmc_project/metric/bmc/memory/available";
dbus::utility::getProperty<double>(
healthMonitorServiceName, availableMemoryObjPath, valueInterface,
valueProperty,
std::bind_front(setBytesProperty, asyncResp,
json_pointer("/MemoryStatistics/AvailableBytes")));
constexpr auto bufferedAndCachedMemoryObjPath =
"/xyz/openbmc_project/metric/bmc/memory/buffered_and_cached";
dbus::utility::getProperty<double>(
healthMonitorServiceName, bufferedAndCachedMemoryObjPath,
valueInterface, valueProperty,
std::bind_front(
setBytesProperty, asyncResp,
json_pointer("/MemoryStatistics/BuffersAndCacheBytes")));
constexpr auto freeMemoryObjPath =
"/xyz/openbmc_project/metric/bmc/memory/free";
dbus::utility::getProperty<double>(
healthMonitorServiceName, freeMemoryObjPath, valueInterface,
valueProperty,
std::bind_front(setBytesProperty, asyncResp,
json_pointer("/MemoryStatistics/FreeBytes")));
constexpr auto sharedMemoryObjPath =
"/xyz/openbmc_project/metric/bmc/memory/shared";
dbus::utility::getProperty<double>(
healthMonitorServiceName, sharedMemoryObjPath, valueInterface,
valueProperty,
std::bind_front(setBytesProperty, asyncResp,
json_pointer("/MemoryStatistics/SharedBytes")));
constexpr auto totalMemoryObjPath =
"/xyz/openbmc_project/metric/bmc/memory/total";
dbus::utility::getProperty<double>(
healthMonitorServiceName, totalMemoryObjPath, valueInterface,
valueProperty,
std::bind_front(setBytesProperty, asyncResp,
json_pointer("/MemoryStatistics/TotalBytes")));
}
inline void afterGetManagerStartTime(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
const boost::system::error_code& ec, uint64_t bmcwebResetTime)
{
if (ec)
{
// Not all servers will be running in systemd, so ignore the error.
return;
}
using std::chrono::steady_clock;
std::chrono::duration<steady_clock::rep, std::micro> usReset{
bmcwebResetTime};
steady_clock::time_point resetTime{usReset};
steady_clock::time_point now = steady_clock::now();
steady_clock::duration runTime = now - resetTime;
if (runTime < steady_clock::duration::zero())
{
BMCWEB_LOG_CRITICAL("Uptime was negative????");
messages::internalError(asyncResp->res);
return;
}
// Floor to the closest millisecond
using Milli = std::chrono::duration<steady_clock::rep, std::milli>;
Milli milli = std::chrono::floor<Milli>(runTime);
using SecondsFloat = std::chrono::duration<double>;
SecondsFloat sec = std::chrono::duration_cast<SecondsFloat>(milli);
asyncResp->res.jsonValue["ServiceRootUptimeSeconds"] = sec.count();
}
inline void managerGetServiceRootUptime(
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
dbus::utility::getProperty<uint64_t>(
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1/unit/bmcweb_2eservice",
"org.freedesktop.systemd1.Unit", "ActiveEnterTimestampMonotonic",
std::bind_front(afterGetManagerStartTime, asyncResp));
}
/**
* handleManagerDiagnosticData supports ManagerDiagnosticData.
* It retrieves BMC health information from various DBus resources and returns
* the information through the response.
*/
inline void handleManagerDiagnosticDataGet(
crow::App& app, const crow::Request& req,
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
const std::string& managerId)
{
if (!redfish::setUpRedfishRoute(app, req, asyncResp))
{
return;
}
if (managerId != BMCWEB_REDFISH_MANAGER_URI_NAME)
{
messages::resourceNotFound(asyncResp->res, "Manager", managerId);
return;
}
asyncResp->res.jsonValue["@odata.type"] =
"#ManagerDiagnosticData.v1_2_0.ManagerDiagnosticData";
asyncResp->res.jsonValue["@odata.id"] =
boost::urls::format("/redfish/v1/Managers/{}/ManagerDiagnosticData",
BMCWEB_REDFISH_MANAGER_URI_NAME);
asyncResp->res.jsonValue["Id"] = "ManagerDiagnosticData";
asyncResp->res.jsonValue["Name"] = "Manager Diagnostic Data";
managerGetServiceRootUptime(asyncResp);
managerGetProcessorStatistics(asyncResp);
managerGetMemoryStatistics(asyncResp);
managerGetStorageStatistics(asyncResp);
}
inline void requestRoutesManagerDiagnosticData(App& app)
{
BMCWEB_ROUTE(app, "/redfish/v1/Managers/<str>/ManagerDiagnosticData")
.privileges(redfish::privileges::getManagerDiagnosticData)
.methods(boost::beast::http::verb::get)(
std::bind_front(handleManagerDiagnosticDataGet, std::ref(app)));
}
} // namespace redfish
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