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#include "interconnect.h"
#include <util/digest/murmur.h>
#include <google/protobuf/text_format.h>
namespace NActors {
TNodeLocation::TNodeLocation(const NActorsInterconnect::TNodeLocation& location) {
const NProtoBuf::Descriptor *descriptor = NActorsInterconnect::TNodeLocation::descriptor();
const NActorsInterconnect::TNodeLocation *locp = &location;
NActorsInterconnect::TNodeLocation temp; // for legacy location case
// WalleConfig compatibility section
if (locp->HasBody()) {
if (locp == &location) {
temp.CopyFrom(*locp);
locp = &temp;
}
temp.SetUnit(::ToString(temp.GetBody()));
temp.ClearBody();
}
// legacy value processing
if (locp->HasDataCenterNum() || locp->HasRoomNum() || locp->HasRackNum() || locp->HasBodyNum()) {
if (locp == &location) {
temp.CopyFrom(*locp);
locp = &temp;
}
LegacyValue = TLegacyValue{temp.GetDataCenterNum(), temp.GetRoomNum(), temp.GetRackNum(), temp.GetBodyNum()};
temp.ClearDataCenterNum();
temp.ClearRoomNum();
temp.ClearRackNum();
temp.ClearBodyNum();
const NProtoBuf::Reflection *reflection = temp.GetReflection();
bool fieldsFromNewFormat = false;
for (int i = 0, count = descriptor->field_count(); !fieldsFromNewFormat && i < count; ++i) {
fieldsFromNewFormat |= reflection->HasField(temp, descriptor->field(i));
}
if (!fieldsFromNewFormat) {
const auto& v = LegacyValue->DataCenter;
const char *p = reinterpret_cast<const char*>(&v);
temp.SetDataCenter(TString(p, strnlen(p, sizeof(ui32))));
temp.SetModule(::ToString(LegacyValue->Room));
temp.SetRack(::ToString(LegacyValue->Rack));
temp.SetUnit(::ToString(LegacyValue->Body));
}
}
auto makeString = [&] {
NProtoBuf::TextFormat::Printer p;
p.SetSingleLineMode(true);
TString s;
p.PrintToString(*locp, &s);
return s;
};
// modern format parsing
const NProtoBuf::Reflection *reflection = locp->GetReflection();
for (int i = 0, count = descriptor->field_count(); i < count; ++i) {
const NProtoBuf::FieldDescriptor *field = descriptor->field(i);
if (reflection->HasField(*locp, field)) {
Y_VERIFY(field->type() == NProtoBuf::FieldDescriptor::TYPE_STRING, "Location# %s", makeString().data());
Items.emplace_back(TKeys::E(field->number()), reflection->GetString(*locp, field));
}
}
const NProtoBuf::UnknownFieldSet& unknown = locp->unknown_fields();
for (int i = 0, count = unknown.field_count(); i < count; ++i) {
const NProtoBuf::UnknownField& field = unknown.field(i);
Y_VERIFY(field.type() == NProtoBuf::UnknownField::TYPE_LENGTH_DELIMITED, "Location# %s", makeString().data());
Items.emplace_back(TKeys::E(field.number()), field.length_delimited());
}
std::sort(Items.begin(), Items.end());
}
TNodeLocation::TNodeLocation(TFromSerialized, const TString& s)
: TNodeLocation(ParseLocation(s))
{}
NActorsInterconnect::TNodeLocation TNodeLocation::ParseLocation(const TString& s) {
NActorsInterconnect::TNodeLocation res;
const bool success = res.ParseFromString(s);
Y_VERIFY(success);
return res;
}
TString TNodeLocation::ToStringUpTo(TKeys::E upToKey) const {
const NProtoBuf::Descriptor *descriptor = NActorsInterconnect::TNodeLocation::descriptor();
TStringBuilder res;
for (const auto& [key, value] : Items) {
if (upToKey < key) {
break;
}
TString name;
if (const NProtoBuf::FieldDescriptor *field = descriptor->FindFieldByNumber(key)) {
name = field->options().GetExtension(NActorsInterconnect::PrintName);
} else {
name = ::ToString(int(key));
}
if (key != upToKey) {
res << name << "=" << value << "/";
} else {
res << value;
}
}
return res;
}
void TNodeLocation::Serialize(NActorsInterconnect::TNodeLocation *pb) const {
const NProtoBuf::Descriptor *descriptor = NActorsInterconnect::TNodeLocation::descriptor();
const NProtoBuf::Reflection *reflection = pb->GetReflection();
NProtoBuf::UnknownFieldSet *unknown = pb->mutable_unknown_fields();
for (const auto& [key, value] : Items) {
if (const NProtoBuf::FieldDescriptor *field = descriptor->FindFieldByNumber(key)) {
reflection->SetString(pb, field, value);
} else {
unknown->AddLengthDelimited(key)->assign(value);
}
}
}
TString TNodeLocation::GetSerializedLocation() const {
NActorsInterconnect::TNodeLocation pb;
Serialize(&pb);
TString s;
const bool success = pb.SerializeToString(&s);
Y_VERIFY(success);
return s;
}
TNodeLocation::TLegacyValue TNodeLocation::GetLegacyValue() const {
if (LegacyValue) {
return *LegacyValue;
}
ui32 dataCenterId = 0, moduleId = 0, rackId = 0, unitId = 0;
for (const auto& [key, value] : Items) {
switch (key) {
case TKeys::DataCenter:
memcpy(&dataCenterId, value.data(), Min<size_t>(sizeof(dataCenterId), value.length()));
break;
case TKeys::Module: {
const bool success = TryFromString(value, moduleId);
Y_VERIFY(success);
break;
}
case TKeys::Rack:
// hacky way to obtain numeric id by a rack name
if (!TryFromString(value, rackId)) {
rackId = MurmurHash<ui32>(value.data(), value.length());
}
break;
case TKeys::Unit: {
const bool success = TryFromString(value, unitId);
Y_VERIFY(success);
break;
}
default:
Y_FAIL("unexpected legacy key# %d", key);
}
}
return {dataCenterId, moduleId, rackId, unitId};
}
} // NActors
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