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Allow caching of disk cache entries in RAM

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Kovid Goyal
2021-02-18 10:22:42 +05:30
parent e0620fbb1d
commit 0341b64748
4 changed files with 85 additions and 10 deletions
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9
kitty/disk-cache.h
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@@ -11,12 +11,13 @@
PyObject* create_disk_cache(void);
bool add_to_disk_cache(PyObject *self, const void *key, size_t key_sz, const void *data, size_t data_sz);
bool remove_from_disk_cache(PyObject *self_, const void *key, size_t key_sz);
void* read_from_disk_cache(PyObject *self_, const void *key, size_t key_sz, void*(allocator)(void*, size_t), void*);
PyObject* read_from_disk_cache_python(PyObject *self_, const void *key, size_t key_sz);
void* read_from_disk_cache(PyObject *self_, const void *key, size_t key_sz, void*(allocator)(void*, size_t), void*, bool);
PyObject* read_from_disk_cache_python(PyObject *self_, const void *key, size_t key_sz, bool);
bool disk_cache_wait_for_write(PyObject *self, monotonic_t timeout);
size_t disk_cache_total_size(PyObject *self);
size_t disk_cache_size_on_disk(PyObject *self);
void clear_disk_cache(PyObject *self);
size_t disk_cache_clear_from_ram(PyObject *self_, bool(matches)(void* data, void *key, unsigned keysz), void*);
static inline void* disk_cache_malloc_allocator(void *x, size_t sz) {
*((size_t*)x) = sz;
@@ -24,7 +25,7 @@ static inline void* disk_cache_malloc_allocator(void *x, size_t sz) {
}
static inline bool
read_from_disk_cache_simple(PyObject *self_, const void *key, size_t key_sz, void **data, size_t *data_sz) {
*data = read_from_disk_cache(self_, key, key_sz, disk_cache_malloc_allocator, data_sz);
read_from_disk_cache_simple(PyObject *self_, const void *key, size_t key_sz, void **data, size_t *data_sz, bool store_in_ram) {
*data = read_from_disk_cache(self_, key, key_sz, disk_cache_malloc_allocator, data_sz, store_in_ram);
return PyErr_Occurred() == NULL;
}