void IPC::setMessageHeaderID(MessageType& message, const uint64_t id)
{
const auto header_field = message.GetDescriptor()->FindFieldByName("header");
auto reflection = message.GetReflection();
auto header_message = reflection->MutableMessage(&message, header_field);
if (header_message->GetTypeName() != IPC::MessageHeader::default_instance().GetTypeName()) {
throw std::runtime_error("unknown message header type");
}
auto header = reinterpret_cast<IPC::MessageHeader*>(header_message);
header->set_id(id);
}
bool Pb2Json::Json2Message(const Json& json, ProtobufMsg& message, bool str2enum) {
auto descriptor = message.GetDescriptor();
auto reflection = message.GetReflection();
if (nullptr == descriptor || nullptr == reflection) return false;
auto count = descriptor->field_count();
for (auto i = 0; i < count; ++i) {
const auto field = descriptor->field(i);
if (nullptr == field) continue;
auto& value = json[field->name()];
if (value.is_null()) continue;
if (field->is_repeated()) {
if (!value.is_array()) {
return false;
} else {
Json2RepeatedMessage(value, message, field, reflection, str2enum);
continue;
}
}
switch (field->type()) {
case ProtobufFieldDescriptor::TYPE_BOOL: {
if (value.is_boolean())
reflection->SetBool(&message, field, value.get<bool>());
else if (value.is_number_integer())
reflection->SetBool(&message, field, value.get<uint32_t>() != 0);
else if (value.is_string()) {
if (value.get<std::string>() == "true")
reflection->SetBool(&message, field, true);
else if (value.get<std::string>() == "false")
reflection->SetBool(&message, field, false);
}
} break;
case ProtobufFieldDescriptor::TYPE_ENUM: {
auto const* pedesc = field->enum_type();
const ::google::protobuf::EnumValueDescriptor* pevdesc = nullptr;
if (str2enum) {
pevdesc = pedesc->FindValueByName(value.get<std::string>());
} else {
pevdesc = pedesc->FindValueByNumber(value.get<int>());
}
if (nullptr != pevdesc) {
reflection->SetEnum(&message, field, pevdesc);
}
} break;
case ProtobufFieldDescriptor::TYPE_INT32:
case ProtobufFieldDescriptor::TYPE_SINT32:
case ProtobufFieldDescriptor::TYPE_SFIXED32: {
if (value.is_number()) reflection->SetInt32(&message, field, value.get<int32_t>());
} break;
case ProtobufFieldDescriptor::TYPE_UINT32:
case ProtobufFieldDescriptor::TYPE_FIXED32: {
if (value.is_number()) reflection->SetUInt32(&message, field, value.get<uint32_t>());
} break;
case ProtobufFieldDescriptor::TYPE_INT64:
case ProtobufFieldDescriptor::TYPE_SINT64:
case ProtobufFieldDescriptor::TYPE_SFIXED64: {
if (value.is_number()) reflection->SetInt64(&message, field, value.get<int64_t>());
} break;
case ProtobufFieldDescriptor::TYPE_UINT64:
case ProtobufFieldDescriptor::TYPE_FIXED64: {
if (value.is_number()) reflection->SetUInt64(&message, field, value.get<uint64_t>());
} break;
case ProtobufFieldDescriptor::TYPE_FLOAT: {
if (value.is_number()) reflection->SetFloat(&message, field, value.get<float>());
} break;
case ProtobufFieldDescriptor::TYPE_DOUBLE: {
if (value.is_number()) reflection->SetDouble(&message, field, value.get<double>());
} break;
case ProtobufFieldDescriptor::TYPE_STRING:
case ProtobufFieldDescriptor::TYPE_BYTES: {
if (value.is_string()) reflection->SetString(&message, field, value.get<std::string>());
} break;
case ProtobufFieldDescriptor::TYPE_MESSAGE: {
if (value.is_object()) Json2Message(value, *reflection->MutableMessage(&message, field));
} break;
default:
break;
}
}
return true;
}
