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Cleanup cache.h

This commit is contained in:
Alexander Batalov 2022-06-18 15:51:18 +03:00
parent 92fbd33579
commit 83ebb7d473
2 changed files with 32 additions and 31 deletions
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45
src/cache.cc
View File

@ -9,8 +9,27 @@
#include <stdio.h>
#include <string.h>
// The initial number of cache entries in new cache.
#define CACHE_ENTRIES_INITIAL_CAPACITY (100)
// The number of cache entries added when cache capacity is reached.
#define CACHE_ENTRIES_GROW_CAPACITY (50)
static bool cacheFetchEntryForKey(Cache* cache, int key, int* indexPtr);
static bool cacheInsertEntryAtIndex(Cache* cache, CacheEntry* cacheEntry, int index);
static int cacheFindIndexForKey(Cache* cache, int key, int* indexPtr);
static bool cacheEntryInit(CacheEntry* cacheEntry);
static bool cacheEntryFree(Cache* cache, CacheEntry* cacheEntry);
static bool cacheClean(Cache* cache);
static bool cacheResetStatistics(Cache* cache);
static bool cacheEnsureSize(Cache* cache, int size);
static bool cacheSweep(Cache* cache);
static bool cacheSetCapacity(Cache* cache, int newCapacity);
static int cacheEntriesCompareByUsage(const void* a1, const void* a2);
static int cacheEntriesCompareByMostRecentHit(const void* a1, const void* a2);
// 0x510938
int _lock_sound_ticker = 0;
static int _lock_sound_ticker = 0;
// cache_init
// 0x41FCC0
@ -187,7 +206,7 @@ bool cachePrintStats(Cache* cache, char* dest)
// Fetches entry for the specified key into the cache.
//
// 0x4203AC
bool cacheFetchEntryForKey(Cache* cache, int key, int* indexPtr)
static bool cacheFetchEntryForKey(Cache* cache, int key, int* indexPtr)
{
CacheEntry* cacheEntry = (CacheEntry*)internal_malloc(sizeof(*cacheEntry));
if (cacheEntry == NULL) {
@ -287,7 +306,7 @@ bool cacheFetchEntryForKey(Cache* cache, int key, int* indexPtr)
}
// 0x4205E8
bool cacheInsertEntryAtIndex(Cache* cache, CacheEntry* cacheEntry, int index)
static bool cacheInsertEntryAtIndex(Cache* cache, CacheEntry* cacheEntry, int index)
{
// Ensure cache have enough space for new entry.
if (cache->entriesLength == cache->entriesCapacity - 1) {
@ -312,7 +331,7 @@ bool cacheInsertEntryAtIndex(Cache* cache, CacheEntry* cacheEntry, int index)
// this case indexPtr represents insertion point.
//
// 0x420654
int cacheFindIndexForKey(Cache* cache, int key, int* indexPtr)
static int cacheFindIndexForKey(Cache* cache, int key, int* indexPtr)
{
int length = cache->entriesLength;
if (length == 0) {
@ -351,7 +370,7 @@ int cacheFindIndexForKey(Cache* cache, int key, int* indexPtr)
}
// 0x420708
bool cacheEntryInit(CacheEntry* cacheEntry)
static bool cacheEntryInit(CacheEntry* cacheEntry)
{
cacheEntry->key = 0;
cacheEntry->size = 0;
@ -366,7 +385,7 @@ bool cacheEntryInit(CacheEntry* cacheEntry)
// NOTE: Inlined.
//
// 0x420740
bool cacheEntryFree(Cache* cache, CacheEntry* cacheEntry)
static bool cacheEntryFree(Cache* cache, CacheEntry* cacheEntry)
{
if (cacheEntry->data != NULL) {
heapBlockDeallocate(&(cache->heap), &(cacheEntry->heapHandleIndex));
@ -378,7 +397,7 @@ bool cacheEntryFree(Cache* cache, CacheEntry* cacheEntry)
}
// 0x420764
bool cacheClean(Cache* cache)
static bool cacheClean(Cache* cache)
{
Heap* heap = &(cache->heap);
for (int index = 0; index < cache->entriesLength; index++) {
@ -397,7 +416,7 @@ bool cacheClean(Cache* cache)
}
// 0x4207D4
bool cacheResetStatistics(Cache* cache)
static bool cacheResetStatistics(Cache* cache)
{
if (cache == NULL) {
return false;
@ -427,7 +446,7 @@ bool cacheResetStatistics(Cache* cache)
// Prepare cache for storing new entry with the specified size.
//
// 0x42084C
bool cacheEnsureSize(Cache* cache, int size)
static bool cacheEnsureSize(Cache* cache, int size)
{
if (size > cache->maxSize) {
// The entry of given size is too big for caching, no matter what.
@ -503,7 +522,7 @@ bool cacheEnsureSize(Cache* cache, int size)
}
// 0x42099C
bool cacheSweep(Cache* cache)
static bool cacheSweep(Cache* cache)
{
for (int index = 0; index < cache->entriesLength; index++) {
CacheEntry* cacheEntry = cache->entries[index];
@ -534,7 +553,7 @@ bool cacheSweep(Cache* cache)
}
// 0x420A40
bool cacheSetCapacity(Cache* cache, int newCapacity)
static bool cacheSetCapacity(Cache* cache, int newCapacity)
{
if (newCapacity < cache->entriesLength) {
return false;
@ -552,7 +571,7 @@ bool cacheSetCapacity(Cache* cache, int newCapacity)
}
// 0x420A74
int cacheEntriesCompareByUsage(const void* a1, const void* a2)
static int cacheEntriesCompareByUsage(const void* a1, const void* a2)
{
CacheEntry* v1 = *(CacheEntry**)a1;
CacheEntry* v2 = *(CacheEntry**)a2;
@ -581,7 +600,7 @@ int cacheEntriesCompareByUsage(const void* a1, const void* a2)
}
// 0x420AE8
int cacheEntriesCompareByMostRecentHit(const void* a1, const void* a2)
static int cacheEntriesCompareByMostRecentHit(const void* a1, const void* a2)
{
CacheEntry* v1 = *(CacheEntry**)a1;
CacheEntry* v2 = *(CacheEntry**)a2;

18
src/cache.h
View File

@ -5,12 +5,6 @@
#define INVALID_CACHE_ENTRY ((CacheEntry*)-1)
// The initial number of cache entries in new cache.
#define CACHE_ENTRIES_INITIAL_CAPACITY (100)
// The number of cache entries added when cache capacity is reached.
#define CACHE_ENTRIES_GROW_CAPACITY (50)
typedef enum CacheEntryFlags {
// Specifies that cache entry has no references as should be evicted during
// the next sweep operation.
@ -71,17 +65,5 @@ bool cacheLock(Cache* cache, int key, void** data, CacheEntry** cacheEntryPtr);
bool cacheUnlock(Cache* cache, CacheEntry* cacheEntry);
bool cacheFlush(Cache* cache);
bool cachePrintStats(Cache* cache, char* dest);
bool cacheFetchEntryForKey(Cache* cache, int key, int* indexPtr);
bool cacheInsertEntryAtIndex(Cache* cache, CacheEntry* cacheEntry, int index);
int cacheFindIndexForKey(Cache* cache, int key, int* indexPtr);
bool cacheEntryInit(CacheEntry* cacheEntry);
bool cacheEntryFree(Cache* cache, CacheEntry* cacheEntry);
bool cacheClean(Cache* cache);
bool cacheResetStatistics(Cache* cache);
bool cacheEnsureSize(Cache* cache, int size);
bool cacheSweep(Cache* cache);
bool cacheSetCapacity(Cache* cache, int newCapacity);
int cacheEntriesCompareByUsage(const void* a1, const void* a2);
int cacheEntriesCompareByMostRecentHit(const void* a1, const void* a2);
#endif /* CACHE_H */