feat: speed up parsing incoming records (#1458) · python-zeroconf/python-zeroconf@783c1b3

@@ -67,12 +67,13 @@ class DNSEntry:

6767__slots__ = ("class_", "key", "name", "type", "unique")68686969def __init__(self, name: str, type_: int, class_: int) -> None:70+self._fast_init_entry(name, type_, class_)71+72+def _fast_init_entry(self, name: str, type_: _int, class_: _int) -> None:73+"""Fast init for reuse."""7074self.name = name7175self.key = name.lower()7276self.type = type_73-self._set_class(class_)74-75-def _set_class(self, class_: _int) -> None:7677self.class_ = class_ & _CLASS_MASK7778self.unique = (class_ & _CLASS_UNIQUE) != 07879

@@ -111,7 +112,11 @@ class DNSQuestion(DNSEntry):

111112__slots__ = ("_hash",)112113113114def __init__(self, name: str, type_: int, class_: int) -> None:114-super().__init__(name, type_, class_)115+self._fast_init(name, type_, class_)116+117+def _fast_init(self, name: str, type_: _int, class_: _int) -> None:118+"""Fast init for reuse."""119+self._fast_init_entry(name, type_, class_)115120self._hash = hash((self.key, type_, self.class_))116121117122def answered_by(self, rec: "DNSRecord") -> bool:

@@ -168,9 +173,13 @@ def __init__(

168173ttl: Union[float, int],169174created: Optional[float] = None,170175 ) -> None:171-super().__init__(name, type_, class_)176+self._fast_init_record(name, type_, class_, ttl, created or current_time_millis())177+178+def _fast_init_record(self, name: str, type_: _int, class_: _int, ttl: _float, created: _float) -> None:179+"""Fast init for reuse."""180+self._fast_init_entry(name, type_, class_)172181self.ttl = ttl173-self.created = created or current_time_millis()182+self.created = created174183175184def __eq__(self, other: Any) -> bool: # pylint: disable=no-self-use176185"""Abstract method"""

@@ -248,7 +257,20 @@ def __init__(

248257scope_id: Optional[int] = None,249258created: Optional[float] = None,250259 ) -> None:251-super().__init__(name, type_, class_, ttl, created)260+self._fast_init(name, type_, class_, ttl, address, scope_id, created or current_time_millis())261+262+def _fast_init(263+self,264+name: str,265+type_: _int,266+class_: _int,267+ttl: _float,268+address: bytes,269+scope_id: Optional[_int],270+created: _float,271+ ) -> None:272+"""Fast init for reuse."""273+self._fast_init_record(name, type_, class_, ttl, created)252274self.address = address253275self.scope_id = scope_id254276self._hash = hash((self.key, type_, self.class_, address, scope_id))

@@ -300,7 +322,13 @@ def __init__(

300322os: str,301323created: Optional[float] = None,302324 ) -> None:303-super().__init__(name, type_, class_, ttl, created)325+self._fast_init(name, type_, class_, ttl, cpu, os, created or current_time_millis())326+327+def _fast_init(328+self, name: str, type_: _int, class_: _int, ttl: _float, cpu: str, os: str, created: _float329+ ) -> None:330+"""Fast init for reuse."""331+self._fast_init_record(name, type_, class_, ttl, created)304332self.cpu = cpu305333self.os = os306334self._hash = hash((self.key, type_, self.class_, cpu, os))

@@ -341,7 +369,12 @@ def __init__(

341369alias: str,342370created: Optional[float] = None,343371 ) -> None:344-super().__init__(name, type_, class_, ttl, created)372+self._fast_init(name, type_, class_, ttl, alias, created or current_time_millis())373+374+def _fast_init(375+self, name: str, type_: _int, class_: _int, ttl: _float, alias: str, created: _float376+ ) -> None:377+self._fast_init_record(name, type_, class_, ttl, created)345378self.alias = alias346379self.alias_key = alias.lower()347380self._hash = hash((self.key, type_, self.class_, self.alias_key))

@@ -391,7 +424,12 @@ def __init__(

391424text: bytes,392425created: Optional[float] = None,393426 ) -> None:394-super().__init__(name, type_, class_, ttl, created)427+self._fast_init(name, type_, class_, ttl, text, created or current_time_millis())428+429+def _fast_init(430+self, name: str, type_: _int, class_: _int, ttl: _float, text: bytes, created: _float431+ ) -> None:432+self._fast_init_record(name, type_, class_, ttl, created)395433self.text = text396434self._hash = hash((self.key, type_, self.class_, text))397435

@@ -435,7 +473,23 @@ def __init__(

435473server: str,436474created: Optional[float] = None,437475 ) -> None:438-super().__init__(name, type_, class_, ttl, created)476+self._fast_init(477+name, type_, class_, ttl, priority, weight, port, server, created or current_time_millis()478+ )479+480+def _fast_init(481+self,482+name: str,483+type_: _int,484+class_: _int,485+ttl: _float,486+priority: _int,487+weight: _int,488+port: _int,489+server: str,490+created: _float,491+ ) -> None:492+self._fast_init_record(name, type_, class_, ttl, created)439493self.priority = priority440494self.weight = weight441495self.port = port

@@ -483,12 +537,24 @@ def __init__(

483537name: str,484538type_: int,485539class_: int,486-ttl: int,540+ttl: Union[int, float],487541next_name: str,488542rdtypes: List[int],489543created: Optional[float] = None,490544 ) -> None:491-super().__init__(name, type_, class_, ttl, created)545+self._fast_init(name, type_, class_, ttl, next_name, rdtypes, created or current_time_millis())546+547+def _fast_init(548+self,549+name: str,550+type_: _int,551+class_: _int,552+ttl: _float,553+next_name: str,554+rdtypes: List[_int],555+created: _float,556+ ) -> None:557+self._fast_init_record(name, type_, class_, ttl, created)492558self.next_name = next_name493559self.rdtypes = sorted(rdtypes)494560self._hash = hash((self.key, type_, self.class_, next_name, *self.rdtypes))