Core: fix exceptions coming from LocationStore (#4358)
* Speedups: add instructions for ASAN * Speedups: move typevars out of classes * Speedups, NetUtils: raise correct exceptions * Speedups: double-check malloc * Tests: more LocationStore tests
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				|  | @ -410,6 +410,8 @@ class _LocationStore(dict, typing.MutableMapping[int, typing.Dict[int, typing.Tu | |||
|         checked = state[team, slot] | ||||
|         if not checked: | ||||
|             # This optimizes the case where everyone connects to a fresh game at the same time. | ||||
|             if slot not in self: | ||||
|                 raise KeyError(slot) | ||||
|             return [] | ||||
|         return [location_id for | ||||
|                 location_id in self[slot] if | ||||
|  |  | |||
|  | @ -69,6 +69,14 @@ cdef struct IndexEntry: | |||
|     size_t count | ||||
| 
 | ||||
| 
 | ||||
| if TYPE_CHECKING: | ||||
|     State = Dict[Tuple[int, int], Set[int]] | ||||
| else: | ||||
|     State = Union[Tuple[int, int], Set[int], defaultdict] | ||||
| 
 | ||||
| T = TypeVar('T') | ||||
| 
 | ||||
| 
 | ||||
| @cython.auto_pickle(False) | ||||
| cdef class LocationStore: | ||||
|     """Compact store for locations and their items in a MultiServer""" | ||||
|  | @ -137,10 +145,16 @@ cdef class LocationStore: | |||
|             warnings.warn("Game has no locations") | ||||
| 
 | ||||
|         # allocate the arrays and invalidate index (0xff...) | ||||
|         self.entries = <LocationEntry*>self._mem.alloc(count, sizeof(LocationEntry)) | ||||
|         if count: | ||||
|             # leaving entries as NULL if there are none, makes potential memory errors more visible | ||||
|             self.entries = <LocationEntry*>self._mem.alloc(count, sizeof(LocationEntry)) | ||||
|         self.sender_index = <IndexEntry*>self._mem.alloc(max_sender + 1, sizeof(IndexEntry)) | ||||
|         self._raw_proxies = <PyObject**>self._mem.alloc(max_sender + 1, sizeof(PyObject*)) | ||||
| 
 | ||||
|         assert (not self.entries) == (not count) | ||||
|         assert self.sender_index | ||||
|         assert self._raw_proxies | ||||
| 
 | ||||
|         # build entries and index | ||||
|         cdef size_t i = 0 | ||||
|         for sender, locations in sorted(locations_dict.items()): | ||||
|  | @ -190,8 +204,6 @@ cdef class LocationStore: | |||
|             raise KeyError(key) | ||||
|         return <object>self._raw_proxies[key] | ||||
| 
 | ||||
|     T = TypeVar('T') | ||||
| 
 | ||||
|     def get(self, key: int, default: T) -> Union[PlayerLocationProxy, T]: | ||||
|         # calling into self.__getitem__ here is slow, but this is not used in MultiServer | ||||
|         try: | ||||
|  | @ -246,12 +258,11 @@ cdef class LocationStore: | |||
|                         all_locations[sender].add(entry.location) | ||||
|         return all_locations | ||||
| 
 | ||||
|     if TYPE_CHECKING: | ||||
|         State = Dict[Tuple[int, int], Set[int]] | ||||
|     else: | ||||
|         State = Union[Tuple[int, int], Set[int], defaultdict] | ||||
| 
 | ||||
|     def get_checked(self, state: State, team: int, slot: int) -> List[int]: | ||||
|         cdef ap_player_t sender = slot | ||||
|         if sender < 0 or sender >= self.sender_index_size: | ||||
|             raise KeyError(slot) | ||||
| 
 | ||||
|         # This used to validate checks actually exist. A remnant from the past. | ||||
|         # If the order of locations becomes relevant at some point, we could not do sorted(set), so leaving it. | ||||
|         cdef set checked = state[team, slot] | ||||
|  | @ -263,7 +274,6 @@ cdef class LocationStore: | |||
| 
 | ||||
|         # Unless the set is close to empty, it's cheaper to use the python set directly, so we do that. | ||||
|         cdef LocationEntry* entry | ||||
|         cdef ap_player_t sender = slot | ||||
|         cdef size_t start = self.sender_index[sender].start | ||||
|         cdef size_t count = self.sender_index[sender].count | ||||
|         return [entry.location for | ||||
|  | @ -273,9 +283,11 @@ cdef class LocationStore: | |||
|     def get_missing(self, state: State, team: int, slot: int) -> List[int]: | ||||
|         cdef LocationEntry* entry | ||||
|         cdef ap_player_t sender = slot | ||||
|         if sender < 0 or sender >= self.sender_index_size: | ||||
|             raise KeyError(slot) | ||||
|         cdef set checked = state[team, slot] | ||||
|         cdef size_t start = self.sender_index[sender].start | ||||
|         cdef size_t count = self.sender_index[sender].count | ||||
|         cdef set checked = state[team, slot] | ||||
|         if not len(checked): | ||||
|             # Skip `in` if none have been checked. | ||||
|             # This optimizes the case where everyone connects to a fresh game at the same time. | ||||
|  | @ -290,9 +302,11 @@ cdef class LocationStore: | |||
|     def get_remaining(self, state: State, team: int, slot: int) -> List[Tuple[int, int]]: | ||||
|         cdef LocationEntry* entry | ||||
|         cdef ap_player_t sender = slot | ||||
|         if sender < 0 or sender >= self.sender_index_size: | ||||
|             raise KeyError(slot) | ||||
|         cdef set checked = state[team, slot] | ||||
|         cdef size_t start = self.sender_index[sender].start | ||||
|         cdef size_t count = self.sender_index[sender].count | ||||
|         cdef set checked = state[team, slot] | ||||
|         return sorted([(entry.receiver, entry.item) for | ||||
|                         entry in self.entries[start:start+count] if | ||||
|                         entry.location not in checked]) | ||||
|  | @ -328,7 +342,8 @@ cdef class PlayerLocationProxy: | |||
|         cdef LocationEntry* entry = NULL | ||||
|         # binary search | ||||
|         cdef size_t l = self._store.sender_index[self._player].start | ||||
|         cdef size_t r = l + self._store.sender_index[self._player].count | ||||
|         cdef size_t e = l + self._store.sender_index[self._player].count | ||||
|         cdef size_t r = e | ||||
|         cdef size_t m | ||||
|         while l < r: | ||||
|             m = (l + r) // 2 | ||||
|  | @ -337,7 +352,7 @@ cdef class PlayerLocationProxy: | |||
|                 l = m + 1 | ||||
|             else: | ||||
|                 r = m | ||||
|         if entry:  # count != 0 | ||||
|         if l < e: | ||||
|             entry = self._store.entries + l | ||||
|             if entry.location == loc: | ||||
|                 return entry | ||||
|  | @ -349,8 +364,6 @@ cdef class PlayerLocationProxy: | |||
|             return entry.item, entry.receiver, entry.flags | ||||
|         raise KeyError(f"No location {key} for player {self._player}") | ||||
| 
 | ||||
|     T = TypeVar('T') | ||||
| 
 | ||||
|     def get(self, key: int, default: T) -> Union[Tuple[int, int, int], T]: | ||||
|         cdef LocationEntry* entry = self._get(key) | ||||
|         if entry: | ||||
|  |  | |||
|  | @ -3,8 +3,16 @@ import os | |||
| 
 | ||||
| def make_ext(modname, pyxfilename): | ||||
|     from distutils.extension import Extension | ||||
|     return Extension(name=modname, | ||||
|                      sources=[pyxfilename], | ||||
|                      depends=["intset.h"], | ||||
|                      include_dirs=[os.getcwd()], | ||||
|                      language="c") | ||||
|     return Extension( | ||||
|         name=modname, | ||||
|         sources=[pyxfilename], | ||||
|         depends=["intset.h"], | ||||
|         include_dirs=[os.getcwd()], | ||||
|         language="c", | ||||
|         # to enable ASAN and debug build: | ||||
|         # extra_compile_args=["-fsanitize=address", "-UNDEBUG", "-Og", "-g"], | ||||
|         # extra_objects=["-fsanitize=address"], | ||||
|         # NOTE: we can not put -lasan at the front of link args, so needs to be run with | ||||
|         #       LD_PRELOAD=/usr/lib/libasan.so ASAN_OPTIONS=detect_leaks=0 path/to/exe | ||||
|         # NOTE: this can't find everything unless libpython and cymem are also built with ASAN | ||||
|     ) | ||||
|  |  | |||
|  | @ -115,6 +115,7 @@ class Base: | |||
|         def test_get_for_player(self) -> None: | ||||
|             self.assertEqual(self.store.get_for_player(3), {4: {9}}) | ||||
|             self.assertEqual(self.store.get_for_player(1), {1: {13}, 2: {22, 23}}) | ||||
|             self.assertEqual(self.store.get_for_player(9999), {}) | ||||
| 
 | ||||
|         def test_get_checked(self) -> None: | ||||
|             self.assertEqual(self.store.get_checked(full_state, 0, 1), [11, 12, 13]) | ||||
|  | @ -122,18 +123,48 @@ class Base: | |||
|             self.assertEqual(self.store.get_checked(empty_state, 0, 1), []) | ||||
|             self.assertEqual(self.store.get_checked(full_state, 0, 3), [9]) | ||||
| 
 | ||||
|         def test_get_checked_exception(self) -> None: | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_checked(empty_state, 0, 9999) | ||||
|             bad_state = {(0, 6): {1}} | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_checked(bad_state, 0, 6) | ||||
|             bad_state = {(0, 9999): set()} | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_checked(bad_state, 0, 9999) | ||||
| 
 | ||||
|         def test_get_missing(self) -> None: | ||||
|             self.assertEqual(self.store.get_missing(full_state, 0, 1), []) | ||||
|             self.assertEqual(self.store.get_missing(one_state, 0, 1), [11, 13]) | ||||
|             self.assertEqual(self.store.get_missing(empty_state, 0, 1), [11, 12, 13]) | ||||
|             self.assertEqual(self.store.get_missing(empty_state, 0, 3), [9]) | ||||
| 
 | ||||
|         def test_get_missing_exception(self) -> None: | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_missing(empty_state, 0, 9999) | ||||
|             bad_state = {(0, 6): {1}} | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_missing(bad_state, 0, 6) | ||||
|             bad_state = {(0, 9999): set()} | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_missing(bad_state, 0, 9999) | ||||
| 
 | ||||
|         def test_get_remaining(self) -> None: | ||||
|             self.assertEqual(self.store.get_remaining(full_state, 0, 1), []) | ||||
|             self.assertEqual(self.store.get_remaining(one_state, 0, 1), [(1, 13), (2, 21)]) | ||||
|             self.assertEqual(self.store.get_remaining(empty_state, 0, 1), [(1, 13), (2, 21), (2, 22)]) | ||||
|             self.assertEqual(self.store.get_remaining(empty_state, 0, 3), [(4, 99)]) | ||||
| 
 | ||||
|         def test_get_remaining_exception(self) -> None: | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_remaining(empty_state, 0, 9999) | ||||
|             bad_state = {(0, 6): {1}} | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_missing(bad_state, 0, 6) | ||||
|             bad_state = {(0, 9999): set()} | ||||
|             with self.assertRaises(KeyError): | ||||
|                 self.store.get_remaining(bad_state, 0, 9999) | ||||
| 
 | ||||
|         def test_location_set_intersection(self) -> None: | ||||
|             locations = {10, 11, 12} | ||||
|             locations.intersection_update(self.store[1]) | ||||
|  | @ -181,6 +212,16 @@ class Base: | |||
|                 }) | ||||
|                 self.assertEqual(len(store), 1) | ||||
|                 self.assertEqual(len(store[1]), 0) | ||||
|                 self.assertEqual(sorted(store.find_item(set(), 1)), []) | ||||
|                 self.assertEqual(sorted(store.find_item({1}, 1)), []) | ||||
|                 self.assertEqual(sorted(store.find_item({1, 2}, 1)), []) | ||||
|                 self.assertEqual(store.get_for_player(1), {}) | ||||
|                 self.assertEqual(store.get_checked(empty_state, 0, 1), []) | ||||
|                 self.assertEqual(store.get_checked(full_state, 0, 1), []) | ||||
|                 self.assertEqual(store.get_missing(empty_state, 0, 1), []) | ||||
|                 self.assertEqual(store.get_missing(full_state, 0, 1), []) | ||||
|                 self.assertEqual(store.get_remaining(empty_state, 0, 1), []) | ||||
|                 self.assertEqual(store.get_remaining(full_state, 0, 1), []) | ||||
| 
 | ||||
|         def test_no_locations_for_1(self) -> None: | ||||
|             store = self.type({ | ||||
|  |  | |||
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