blob: dca07a198ddf2b59c035227384a5406528e23725 [file] [log] [blame]
#include "fru-fault-monitor.hpp"
#include <phosphor-logging/elog-errors.hpp>
#include <phosphor-logging/elog.hpp>
#include <phosphor-logging/lg2.hpp>
#include <sdbusplus/exception.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
namespace phosphor
{
namespace led
{
namespace fru
{
namespace fault
{
namespace monitor
{
using namespace phosphor::logging;
constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper";
constexpr auto MAPPER_OBJ_PATH = "/xyz/openbmc_project/object_mapper";
constexpr auto MAPPER_IFACE = "xyz.openbmc_project.ObjectMapper";
constexpr auto OBJMGR_IFACE = "org.freedesktop.DBus.ObjectManager";
constexpr auto LED_GROUPS = "/xyz/openbmc_project/led/groups/";
constexpr auto LOG_PATH = "/xyz/openbmc_project/logging";
constexpr auto LOG_IFACE = "xyz.openbmc_project.Logging.Entry";
using AssociationList =
std::vector<std::tuple<std::string, std::string, std::string>>;
using Attributes = std::variant<bool, AssociationList>;
using PropertyName = std::string;
using PropertyMap = std::unordered_map<PropertyName, Attributes>;
using InterfaceName = std::string;
using InterfaceMap = std::unordered_map<InterfaceName, PropertyMap>;
using Service = std::string;
using Path = std::string;
using Interface = std::string;
using Interfaces = std::vector<Interface>;
using MapperResponseType =
std::unordered_map<Path, std::unordered_map<Service, Interfaces>>;
using ResourceNotFoundErr =
sdbusplus::xyz::openbmc_project::Common::Error::ResourceNotFound;
using InvalidArgumentErr =
sdbusplus::xyz::openbmc_project::Common::Error::InvalidArgument;
std::string getService(sdbusplus::bus_t& bus, const std::string& path)
{
auto mapper = bus.new_method_call(MAPPER_BUSNAME, MAPPER_OBJ_PATH,
MAPPER_IFACE, "GetObject");
mapper.append(path.c_str(), std::vector<std::string>({OBJMGR_IFACE}));
std::unordered_map<std::string, std::vector<std::string>> mapperResponse;
try
{
auto mapperResponseMsg = bus.call(mapper);
mapperResponseMsg.read(mapperResponse);
}
catch (const sdbusplus::exception_t& e)
{
lg2::error(
"Failed to parse getService mapper response, ERROR = {ERROR}",
"ERROR", e);
using namespace xyz::openbmc_project::Common;
elog<ResourceNotFoundErr>(ResourceNotFound::RESOURCE(path.c_str()));
}
if (mapperResponse.empty())
{
using namespace xyz::openbmc_project::Common;
elog<ResourceNotFoundErr>(ResourceNotFound::RESOURCE(path.c_str()));
return {};
}
return mapperResponse.cbegin()->first;
}
void action(sdbusplus::bus_t& bus, const std::string& path, bool assert)
{
std::string service;
try
{
std::string groups{LED_GROUPS};
groups.pop_back();
service = getService(bus, groups);
}
catch (const ResourceNotFoundErr& e)
{
commit<ResourceNotFoundErr>();
return;
}
auto pos = path.rfind("/");
if (pos == std::string::npos)
{
using namespace xyz::openbmc_project::Common;
report<InvalidArgumentErr>(
InvalidArgument::ARGUMENT_NAME("path"),
InvalidArgument::ARGUMENT_VALUE(path.c_str()));
return;
}
auto unit = path.substr(pos + 1);
std::string ledPath = LED_GROUPS + unit + '_' + LED_FAULT;
auto method = bus.new_method_call(service.c_str(), ledPath.c_str(),
"org.freedesktop.DBus.Properties", "Set");
method.append("xyz.openbmc_project.Led.Group");
method.append("Asserted");
method.append(std::variant<bool>(assert));
try
{
bus.call_noreply(method);
}
catch (const sdbusplus::exception_t& e)
{
// Log an info message, system may not have all the LED Groups defined
lg2::info("Failed to Assert LED Group, ERROR = {ERROR}", "ERROR", e);
}
return;
}
void Add::created(sdbusplus::message_t& msg)
{
auto bus = msg.get_bus();
sdbusplus::message::object_path objectPath;
InterfaceMap interfaces;
try
{
msg.read(objectPath, interfaces);
}
catch (const sdbusplus::exception_t& e)
{
lg2::error("Failed to parse created message, ERROR = {ERROR}", "ERROR",
e);
return;
}
std::size_t found = objectPath.str.find(ELOG_ENTRY);
if (found == std::string::npos)
{
// Not a new error entry skip
return;
}
auto iter = interfaces.find("xyz.openbmc_project.Association.Definitions");
if (iter == interfaces.end())
{
return;
}
// Nothing else shows when a specific error log
// has been created. Do it here.
lg2::info("{PATH} created", "PATH", objectPath);
auto attr = iter->second.find("Associations");
if (attr == iter->second.end())
{
return;
}
auto& assocs = std::get<AssociationList>(attr->second);
if (assocs.empty())
{
// No associations skip
return;
}
for (const auto& item : assocs)
{
if (std::get<1>(item).compare(CALLOUT_REV_ASSOCIATION) == 0)
{
removeWatches.emplace_back(
std::make_unique<Remove>(bus, std::get<2>(item)));
action(bus, std::get<2>(item), true);
}
}
return;
}
void getLoggingSubTree(sdbusplus::bus_t& bus, MapperResponseType& subtree)
{
auto depth = 0;
auto mapperCall = bus.new_method_call(MAPPER_BUSNAME, MAPPER_OBJ_PATH,
MAPPER_IFACE, "GetSubTree");
mapperCall.append("/");
mapperCall.append(depth);
mapperCall.append(std::vector<Interface>({LOG_IFACE}));
try
{
auto mapperResponseMsg = bus.call(mapperCall);
mapperResponseMsg.read(subtree);
}
catch (const sdbusplus::exception_t& e)
{
lg2::error(
"Failed to parse existing callouts subtree message, ERROR = {ERROR}",
"ERROR", e);
}
}
void Add::processExistingCallouts(sdbusplus::bus_t& bus)
{
MapperResponseType mapperResponse;
getLoggingSubTree(bus, mapperResponse);
if (mapperResponse.empty())
{
// No errors to process.
return;
}
for (const auto& elem : mapperResponse)
{
auto method = bus.new_method_call(
elem.second.begin()->first.c_str(), elem.first.c_str(),
"org.freedesktop.DBus.Properties", "Get");
method.append("xyz.openbmc_project.Association.Definitions");
method.append("Associations");
auto reply = bus.call(method);
if (reply.is_method_error())
{
// do not stop, continue with next elog
lg2::error("Error in getting associations");
continue;
}
std::variant<AssociationList> assoc;
try
{
reply.read(assoc);
}
catch (const sdbusplus::exception_t& e)
{
lg2::error(
"Failed to parse existing callouts associations message, ERROR = {ERROR}",
"ERROR", e);
continue;
}
auto& assocs = std::get<AssociationList>(assoc);
if (assocs.empty())
{
// no associations, skip
continue;
}
for (const auto& item : assocs)
{
if (std::get<1>(item).compare(CALLOUT_REV_ASSOCIATION) == 0)
{
removeWatches.emplace_back(
std::make_unique<Remove>(bus, std::get<2>(item)));
action(bus, std::get<2>(item), true);
}
}
}
}
void Remove::removed(sdbusplus::message_t& msg)
{
auto bus = msg.get_bus();
action(bus, inventoryPath, false);
return;
}
} // namespace monitor
} // namespace fault
} // namespace fru
} // namespace led
} // namespace phosphor