blob: ae41265bb716376c7d9b88a6863196654f8c2413 [file] [log] [blame]
#include "utils.hpp"
#include <libpldm/pdr.h>
#include <libpldm/pldm_types.h>
#include <phosphor-logging/lg2.hpp>
#include <xyz/openbmc_project/Common/error.hpp>
#include <algorithm>
#include <array>
#include <cctype>
#include <ctime>
#include <fstream>
#include <iostream>
#include <map>
#include <stdexcept>
#include <string>
#include <vector>
PHOSPHOR_LOG2_USING;
namespace pldm
{
namespace utils
{
constexpr auto mapperBusName = "xyz.openbmc_project.ObjectMapper";
constexpr auto mapperPath = "/xyz/openbmc_project/object_mapper";
constexpr auto mapperInterface = "xyz.openbmc_project.ObjectMapper";
Entities getParentEntites(const EntityAssociations& entityAssoc)
{
Entities parents{};
for (const auto& et : entityAssoc)
{
parents.push_back(et[0]);
}
bool found = false;
for (auto it = parents.begin(); it != parents.end();
it = found ? parents.erase(it) : std::next(it))
{
uint16_t parent_contained_id =
pldm_entity_node_get_remote_container_id(*it);
found = false;
for (const auto& evs : entityAssoc)
{
for (size_t i = 1; i < evs.size() && !found; i++)
{
uint16_t node_contained_id =
pldm_entity_node_get_remote_container_id(evs[i]);
pldm_entity parent_entity = pldm_entity_extract(*it);
pldm_entity node_entity = pldm_entity_extract(evs[i]);
if (node_entity.entity_type == parent_entity.entity_type &&
node_entity.entity_instance_num ==
parent_entity.entity_instance_num &&
node_contained_id == parent_contained_id)
{
found = true;
}
}
if (found)
{
break;
}
}
}
return parents;
}
void addObjectPathEntityAssociations(const EntityAssociations& entityAssoc,
pldm_entity_node* entity,
const fs::path& path,
ObjectPathMaps& objPathMap)
{
if (entity == nullptr)
{
return;
}
bool found = false;
pldm_entity node_entity = pldm_entity_extract(entity);
if (!entityMaps.contains(node_entity.entity_type))
{
lg2::info(
"{ENTITY_TYPE} Entity fetched from remote PLDM terminal does not exist.",
"ENTITY_TYPE", (int)node_entity.entity_type);
return;
}
std::string entityName = entityMaps.at(node_entity.entity_type);
for (const auto& ev : entityAssoc)
{
pldm_entity ev_entity = pldm_entity_extract(ev[0]);
if (ev_entity.entity_instance_num == node_entity.entity_instance_num &&
ev_entity.entity_type == node_entity.entity_type)
{
uint16_t node_contained_id =
pldm_entity_node_get_remote_container_id(ev[0]);
uint16_t entity_contained_id =
pldm_entity_node_get_remote_container_id(entity);
if (node_contained_id != entity_contained_id)
{
continue;
}
fs::path p = path / fs::path{entityName +
std::to_string(
node_entity.entity_instance_num)};
std::string entity_path = p.string();
// If the entity obtained from the remote PLDM terminal is not in
// the MAP, or there is no auxiliary name PDR, add it directly.
// Otherwise, check whether the DBus service of entity_path exists,
// and overwrite the entity if it does not exist.
if (!objPathMap.contains(entity_path))
{
objPathMap[entity_path] = entity;
}
else
{
try
{
pldm::utils::DBusHandler().getService(entity_path.c_str(),
nullptr);
}
catch (const std::exception& e)
{
objPathMap[entity_path] = entity;
}
}
for (size_t i = 1; i < ev.size(); i++)
{
addObjectPathEntityAssociations(entityAssoc, ev[i], p,
objPathMap);
}
found = true;
}
}
if (!found)
{
std::string dbusPath =
path / fs::path{entityName +
std::to_string(node_entity.entity_instance_num)};
try
{
pldm::utils::DBusHandler().getService(dbusPath.c_str(), nullptr);
}
catch (const std::exception& e)
{
objPathMap[dbusPath] = entity;
}
}
}
void updateEntityAssociation(const EntityAssociations& entityAssoc,
pldm_entity_association_tree* entityTree,
ObjectPathMaps& objPathMap)
{
std::vector<pldm_entity_node*> parentsEntity =
getParentEntites(entityAssoc);
for (const auto& entity : parentsEntity)
{
fs::path path{"/xyz/openbmc_project/inventory"};
std::deque<std::string> paths{};
pldm_entity node_entity = pldm_entity_extract(entity);
auto node = pldm_entity_association_tree_find_with_locality(
entityTree, &node_entity, false);
if (!node)
{
continue;
}
bool found = true;
while (node)
{
if (!pldm_entity_is_exist_parent(node))
{
break;
}
pldm_entity parent = pldm_entity_get_parent(node);
try
{
paths.push_back(entityMaps.at(parent.entity_type) +
std::to_string(parent.entity_instance_num));
}
catch (const std::exception& e)
{
lg2::error(
"Parent entity not found in the entityMaps, type: {ENTITY_TYPE}, num: {NUM}, e: {ERROR}",
"ENTITY_TYPE", (int)parent.entity_type, "NUM",
(int)parent.entity_instance_num, "ERROR", e);
found = false;
break;
}
node = pldm_entity_association_tree_find_with_locality(
entityTree, &parent, false);
}
if (!found)
{
continue;
}
while (!paths.empty())
{
path = path / fs::path{paths.back()};
paths.pop_back();
}
addObjectPathEntityAssociations(entityAssoc, entity, path, objPathMap);
}
}
std::vector<std::vector<uint8_t>> findStateEffecterPDR(uint8_t /*tid*/,
uint16_t entityID,
uint16_t stateSetId,
const pldm_pdr* repo)
{
uint8_t* outData = nullptr;
uint32_t size{};
const pldm_pdr_record* record{};
std::vector<std::vector<uint8_t>> pdrs;
try
{
do
{
record = pldm_pdr_find_record_by_type(repo, PLDM_STATE_EFFECTER_PDR,
record, &outData, &size);
if (record)
{
auto pdr = reinterpret_cast<pldm_state_effecter_pdr*>(outData);
auto compositeEffecterCount = pdr->composite_effecter_count;
auto possible_states_start = pdr->possible_states;
for (auto effecters = 0x00; effecters < compositeEffecterCount;
effecters++)
{
auto possibleStates =
reinterpret_cast<state_effecter_possible_states*>(
possible_states_start);
auto setId = possibleStates->state_set_id;
auto possibleStateSize =
possibleStates->possible_states_size;
if (pdr->entity_type == entityID && setId == stateSetId)
{
std::vector<uint8_t> effecter_pdr(&outData[0],
&outData[size]);
pdrs.emplace_back(std::move(effecter_pdr));
break;
}
possible_states_start += possibleStateSize + sizeof(setId) +
sizeof(possibleStateSize);
}
}
} while (record);
}
catch (const std::exception& e)
{
error(" Failed to obtain a record. ERROR = {ERR_EXCEP}", "ERR_EXCEP",
e.what());
}
return pdrs;
}
std::vector<std::vector<uint8_t>> findStateSensorPDR(uint8_t /*tid*/,
uint16_t entityID,
uint16_t stateSetId,
const pldm_pdr* repo)
{
uint8_t* outData = nullptr;
uint32_t size{};
const pldm_pdr_record* record{};
std::vector<std::vector<uint8_t>> pdrs;
try
{
do
{
record = pldm_pdr_find_record_by_type(repo, PLDM_STATE_SENSOR_PDR,
record, &outData, &size);
if (record)
{
auto pdr = reinterpret_cast<pldm_state_sensor_pdr*>(outData);
auto compositeSensorCount = pdr->composite_sensor_count;
auto possible_states_start = pdr->possible_states;
for (auto sensors = 0x00; sensors < compositeSensorCount;
sensors++)
{
auto possibleStates =
reinterpret_cast<state_sensor_possible_states*>(
possible_states_start);
auto setId = possibleStates->state_set_id;
auto possibleStateSize =
possibleStates->possible_states_size;
if (pdr->entity_type == entityID && setId == stateSetId)
{
std::vector<uint8_t> sensor_pdr(&outData[0],
&outData[size]);
pdrs.emplace_back(std::move(sensor_pdr));
break;
}
possible_states_start += possibleStateSize + sizeof(setId) +
sizeof(possibleStateSize);
}
}
} while (record);
}
catch (const std::exception& e)
{
error(" Failed to obtain a record. ERROR = {ERR_EXCEP}", "ERR_EXCEP",
e.what());
}
return pdrs;
}
uint8_t readHostEID()
{
uint8_t eid{};
std::ifstream eidFile{HOST_EID_PATH};
if (!eidFile.good())
{
error("Could not open host EID file: {HOST_PATH}", "HOST_PATH",
static_cast<std::string>(HOST_EID_PATH));
}
else
{
std::string eidStr;
eidFile >> eidStr;
if (!eidStr.empty())
{
eid = atoi(eidStr.c_str());
}
else
{
error("Host EID file was empty");
}
}
return eid;
}
uint8_t getNumPadBytes(uint32_t data)
{
uint8_t pad;
pad = ((data % 4) ? (4 - data % 4) : 0);
return pad;
} // end getNumPadBytes
bool uintToDate(uint64_t data, uint16_t* year, uint8_t* month, uint8_t* day,
uint8_t* hour, uint8_t* min, uint8_t* sec)
{
constexpr uint64_t max_data = 29991231115959;
constexpr uint64_t min_data = 19700101000000;
if (data < min_data || data > max_data)
{
return false;
}
*year = data / 10000000000;
data = data % 10000000000;
*month = data / 100000000;
data = data % 100000000;
*day = data / 1000000;
data = data % 1000000;
*hour = data / 10000;
data = data % 10000;
*min = data / 100;
*sec = data % 100;
return true;
}
std::optional<std::vector<set_effecter_state_field>>
parseEffecterData(const std::vector<uint8_t>& effecterData,
uint8_t effecterCount)
{
std::vector<set_effecter_state_field> stateField;
if (effecterData.size() != effecterCount * 2)
{
return std::nullopt;
}
for (uint8_t i = 0; i < effecterCount; ++i)
{
uint8_t set_request = effecterData[i * 2] == PLDM_REQUEST_SET
? PLDM_REQUEST_SET
: PLDM_NO_CHANGE;
set_effecter_state_field filed{set_request, effecterData[i * 2 + 1]};
stateField.emplace_back(std::move(filed));
}
return std::make_optional(std::move(stateField));
}
std::string DBusHandler::getService(const char* path,
const char* interface) const
{
using DbusInterfaceList = std::vector<std::string>;
std::map<std::string, std::vector<std::string>> mapperResponse;
auto& bus = DBusHandler::getBus();
auto mapper = bus.new_method_call(mapperBusName, mapperPath,
mapperInterface, "GetObject");
if (interface)
{
mapper.append(path, DbusInterfaceList({interface}));
}
else
{
mapper.append(path, DbusInterfaceList({}));
}
auto mapperResponseMsg = bus.call(mapper, dbusTimeout);
mapperResponseMsg.read(mapperResponse);
return mapperResponse.begin()->first;
}
GetSubTreeResponse
DBusHandler::getSubtree(const std::string& searchPath, int depth,
const std::vector<std::string>& ifaceList) const
{
auto& bus = pldm::utils::DBusHandler::getBus();
auto method = bus.new_method_call(mapperBusName, mapperPath,
mapperInterface, "GetSubTree");
method.append(searchPath, depth, ifaceList);
auto reply = bus.call(method, dbusTimeout);
GetSubTreeResponse response;
reply.read(response);
return response;
}
void reportError(const char* errorMsg)
{
static constexpr auto logObjPath = "/xyz/openbmc_project/logging";
static constexpr auto logInterface = "xyz.openbmc_project.Logging.Create";
auto& bus = pldm::utils::DBusHandler::getBus();
try
{
auto service = DBusHandler().getService(logObjPath, logInterface);
using namespace sdbusplus::xyz::openbmc_project::Logging::server;
auto severity =
sdbusplus::xyz::openbmc_project::Logging::server::convertForMessage(
sdbusplus::xyz::openbmc_project::Logging::server::Entry::Level::
Error);
auto method = bus.new_method_call(service.c_str(), logObjPath,
logInterface, "Create");
std::map<std::string, std::string> addlData{};
method.append(errorMsg, severity, addlData);
bus.call_noreply(method, dbusTimeout);
}
catch (const std::exception& e)
{
error(
"failed to make a d-bus call to create error log, ERROR={ERR_EXCEP}",
"ERR_EXCEP", e.what());
}
}
void DBusHandler::setDbusProperty(const DBusMapping& dBusMap,
const PropertyValue& value) const
{
auto setDbusValue = [&dBusMap, this](const auto& variant) {
auto& bus = getBus();
auto service = getService(dBusMap.objectPath.c_str(),
dBusMap.interface.c_str());
auto method = bus.new_method_call(
service.c_str(), dBusMap.objectPath.c_str(), dbusProperties, "Set");
method.append(dBusMap.interface.c_str(), dBusMap.propertyName.c_str(),
variant);
bus.call_noreply(method, dbusTimeout);
};
if (dBusMap.propertyType == "uint8_t")
{
std::variant<uint8_t> v = std::get<uint8_t>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "bool")
{
std::variant<bool> v = std::get<bool>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "int16_t")
{
std::variant<int16_t> v = std::get<int16_t>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "uint16_t")
{
std::variant<uint16_t> v = std::get<uint16_t>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "int32_t")
{
std::variant<int32_t> v = std::get<int32_t>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "uint32_t")
{
std::variant<uint32_t> v = std::get<uint32_t>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "int64_t")
{
std::variant<int64_t> v = std::get<int64_t>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "uint64_t")
{
std::variant<uint64_t> v = std::get<uint64_t>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "double")
{
std::variant<double> v = std::get<double>(value);
setDbusValue(v);
}
else if (dBusMap.propertyType == "string")
{
std::variant<std::string> v = std::get<std::string>(value);
setDbusValue(v);
}
else
{
throw std::invalid_argument("UnSpported Dbus Type");
}
}
PropertyValue DBusHandler::getDbusPropertyVariant(
const char* objPath, const char* dbusProp, const char* dbusInterface) const
{
auto& bus = DBusHandler::getBus();
auto service = getService(objPath, dbusInterface);
auto method = bus.new_method_call(service.c_str(), objPath, dbusProperties,
"Get");
method.append(dbusInterface, dbusProp);
PropertyValue value{};
auto reply = bus.call(method, dbusTimeout);
reply.read(value);
return value;
}
PropertyValue jsonEntryToDbusVal(std::string_view type,
const nlohmann::json& value)
{
PropertyValue propValue{};
if (type == "uint8_t")
{
propValue = static_cast<uint8_t>(value);
}
else if (type == "uint16_t")
{
propValue = static_cast<uint16_t>(value);
}
else if (type == "uint32_t")
{
propValue = static_cast<uint32_t>(value);
}
else if (type == "uint64_t")
{
propValue = static_cast<uint64_t>(value);
}
else if (type == "int16_t")
{
propValue = static_cast<int16_t>(value);
}
else if (type == "int32_t")
{
propValue = static_cast<int32_t>(value);
}
else if (type == "int64_t")
{
propValue = static_cast<int64_t>(value);
}
else if (type == "bool")
{
propValue = static_cast<bool>(value);
}
else if (type == "double")
{
propValue = static_cast<double>(value);
}
else if (type == "string")
{
propValue = static_cast<std::string>(value);
}
else
{
error("Unknown D-Bus property type, TYPE={OTHER_TYPE}", "OTHER_TYPE",
type);
}
return propValue;
}
uint16_t findStateEffecterId(const pldm_pdr* pdrRepo, uint16_t entityType,
uint16_t entityInstance, uint16_t containerId,
uint16_t stateSetId, bool localOrRemote)
{
uint8_t* pdrData = nullptr;
uint32_t pdrSize{};
const pldm_pdr_record* record{};
do
{
record = pldm_pdr_find_record_by_type(pdrRepo, PLDM_STATE_EFFECTER_PDR,
record, &pdrData, &pdrSize);
if (record && (localOrRemote ^ pldm_pdr_record_is_remote(record)))
{
auto pdr = reinterpret_cast<pldm_state_effecter_pdr*>(pdrData);
auto compositeEffecterCount = pdr->composite_effecter_count;
auto possible_states_start = pdr->possible_states;
for (auto effecters = 0x00; effecters < compositeEffecterCount;
effecters++)
{
auto possibleStates =
reinterpret_cast<state_effecter_possible_states*>(
possible_states_start);
auto setId = possibleStates->state_set_id;
auto possibleStateSize = possibleStates->possible_states_size;
if (entityType == pdr->entity_type &&
entityInstance == pdr->entity_instance &&
containerId == pdr->container_id && stateSetId == setId)
{
return pdr->effecter_id;
}
possible_states_start += possibleStateSize + sizeof(setId) +
sizeof(possibleStateSize);
}
}
} while (record);
return PLDM_INVALID_EFFECTER_ID;
}
int emitStateSensorEventSignal(uint8_t tid, uint16_t sensorId,
uint8_t sensorOffset, uint8_t eventState,
uint8_t previousEventState)
{
try
{
auto& bus = DBusHandler::getBus();
auto msg = bus.new_signal("/xyz/openbmc_project/pldm",
"xyz.openbmc_project.PLDM.Event",
"StateSensorEvent");
msg.append(tid, sensorId, sensorOffset, eventState, previousEventState);
msg.signal_send();
}
catch (const std::exception& e)
{
error("Error emitting pldm event signal:ERROR={ERR_EXCEP}", "ERR_EXCEP",
e.what());
return PLDM_ERROR;
}
return PLDM_SUCCESS;
}
uint16_t findStateSensorId(const pldm_pdr* pdrRepo, uint8_t tid,
uint16_t entityType, uint16_t entityInstance,
uint16_t containerId, uint16_t stateSetId)
{
auto pdrs = findStateSensorPDR(tid, entityType, stateSetId, pdrRepo);
for (auto pdr : pdrs)
{
auto sensorPdr = reinterpret_cast<pldm_state_sensor_pdr*>(pdr.data());
auto compositeSensorCount = sensorPdr->composite_sensor_count;
auto possible_states_start = sensorPdr->possible_states;
for (auto sensors = 0x00; sensors < compositeSensorCount; sensors++)
{
auto possibleStates =
reinterpret_cast<state_sensor_possible_states*>(
possible_states_start);
auto setId = possibleStates->state_set_id;
auto possibleStateSize = possibleStates->possible_states_size;
if (entityType == sensorPdr->entity_type &&
entityInstance == sensorPdr->entity_instance &&
stateSetId == setId && containerId == sensorPdr->container_id)
{
return sensorPdr->sensor_id;
}
possible_states_start += possibleStateSize + sizeof(setId) +
sizeof(possibleStateSize);
}
}
return PLDM_INVALID_EFFECTER_ID;
}
void printBuffer(bool isTx, const std::vector<uint8_t>& buffer)
{
if (!buffer.empty())
{
if (isTx)
{
std::cout << "Tx: ";
}
else
{
std::cout << "Rx: ";
}
std::ostringstream tempStream;
for (int byte : buffer)
{
tempStream << std::setfill('0') << std::setw(2) << std::hex << byte
<< " ";
}
std::cout << tempStream.str() << std::endl;
}
}
std::string toString(const struct variable_field& var)
{
if (var.ptr == nullptr || !var.length)
{
return "";
}
std::string str(reinterpret_cast<const char*>(var.ptr), var.length);
std::replace_if(
str.begin(), str.end(), [](const char& c) { return !isprint(c); }, ' ');
return str;
}
std::vector<std::string> split(std::string_view srcStr, std::string_view delim,
std::string_view trimStr)
{
std::vector<std::string> out;
size_t start;
size_t end = 0;
while ((start = srcStr.find_first_not_of(delim, end)) != std::string::npos)
{
end = srcStr.find(delim, start);
std::string_view dstStr = srcStr.substr(start, end - start);
if (!trimStr.empty())
{
dstStr.remove_prefix(dstStr.find_first_not_of(trimStr));
dstStr.remove_suffix(dstStr.size() - 1 -
dstStr.find_last_not_of(trimStr));
}
if (!dstStr.empty())
{
out.push_back(std::string(dstStr));
}
}
return out;
}
std::string getCurrentSystemTime()
{
using namespace std::chrono;
const time_point<system_clock> tp = system_clock::now();
std::time_t tt = system_clock::to_time_t(tp);
auto ms = duration_cast<microseconds>(tp.time_since_epoch()) -
duration_cast<seconds>(tp.time_since_epoch());
std::stringstream ss;
ss << std::put_time(std::localtime(&tt), "%F %Z %T.")
<< std::to_string(ms.count());
return ss.str();
}
bool checkForFruPresence(const std::string& objPath)
{
bool isPresent = false;
static constexpr auto presentInterface =
"xyz.openbmc_project.Inventory.Item";
static constexpr auto presentProperty = "Present";
try
{
auto propVal = pldm::utils::DBusHandler().getDbusPropertyVariant(
objPath.c_str(), presentProperty, presentInterface);
isPresent = std::get<bool>(propVal);
}
catch (const sdbusplus::exception::SdBusError& e)
{
error(
"Failed to check for FRU presence for {OBJ_PATH} ERROR = {ERR_EXCEP}",
"OBJ_PATH", objPath.c_str(), "ERR_EXCEP", e.what());
}
return isPresent;
}
} // namespace utils
} // namespace pldm