hiview_cache.c - OpenGrok cross reference for /base/hiviewdfx/hiview_lite/hiview

Lines Matching defs:cache
21 static uint16 GetReadCursor(HiviewCache *cache);
23 boolean InitHiviewStaticCache(HiviewCache *cache, HiviewCacheType type, uint8 *buffer, uint16 size)
25     if (cache == NULL) {
29     cache->usedSize = 0;
30     cache->wCursor = 0;
31     cache->buffer = buffer;
32     cache->size = size;
33     cache->type = type;
38 boolean InitHiviewCache(HiviewCache *cache, HiviewCacheType type, uint16 size)
40     if (cache == NULL) {
49     cache->usedSize = 0;
50     cache->wCursor = 0;
51     cache->buffer = buffer;
52     cache->size = size;
53     cache->type = type;
58 int32 WriteToCache(HiviewCache *cache, const uint8 *data, uint16 wLen)
60     if (cache == NULL || data == NULL || cache->buffer == NULL) {
68     if ((uint32)cache->size < (uint32)wLen + (uint32)cache->usedSize) {
73     if ((uint32)cache->wCursor + (uint32)wLen > (uint32)cache->size) {
74         firstLen = cache->size - cache->wCursor;
76             if (memcpy_s(cache->buffer + cache->wCursor, firstLen, data, firstLen) == EOK) {
77                 cache->wCursor += firstLen;
78                 cache->usedSize += firstLen;
84         cache->wCursor = 0;
87             if (memcpy_s(cache->buffer + cache->wCursor, secondLen, data + firstLen, secondLen) == EOK) {
88                 cache->wCursor += secondLen;
89                 cache->usedSize += secondLen;
96         if (memcpy_s(cache->buffer + cache->wCursor, wLen, data, wLen) == EOK) {
97             cache->wCursor += wLen;
98             cache->usedSize += wLen;
109 int32 ReadFromCache(HiviewCache *cache, uint8 *data, uint16 rLen)
111     if (cache == NULL || data == NULL || cache->buffer == NULL) {
119     if (cache->usedSize < rLen) {
122     rCursor = GetReadCursor(cache);
124     if ((uint32)rCursor + (uint32)rLen > (uint32)cache->size) {
125         firstLen = cache->size - rCursor;
127             if (memcpy_s(data, firstLen, cache->buffer + rCursor, firstLen) != EOK) {
133             if (memcpy_s(data + firstLen, secondLen, cache->buffer, secondLen) != EOK) {
138         if (memcpy_s(data, rLen, cache->buffer + rCursor, rLen) != EOK) {
143     cache->usedSize -= rLen;
149 int32 PrereadFromCache(HiviewCache *cache, uint8 *data, uint16 rLen)
151     if (cache == NULL || data == NULL || cache->buffer == NULL) {
154     if (cache->usedSize < rLen) {
160     uint16 rCursor = GetReadCursor(cache);
162     if ((uint32)rCursor + (uint32)rLen > (uint32)cache->size) {
163         firstLen = cache->size - rCursor;
165             if (memcpy_s(data, firstLen, cache->buffer + rCursor, firstLen) != EOK) {
171             if (memcpy_s(data + firstLen, secondLen, cache->buffer, secondLen) != EOK) {
176         if (memcpy_s(data, rLen, cache->buffer + rCursor, rLen) != EOK) {
184 void DiscardCacheData(HiviewCache *cache)
186     if (cache == NULL) {
189     cache->wCursor = 0;
190     cache->usedSize = 0;
193 void DestroyCache(HiviewCache *cache)
195     if (cache == NULL) {
198     if (cache->buffer != NULL) {
199         HIVIEW_MemFree(MEM_POOL_HIVIEW_ID, cache->buffer);
200         cache->buffer = NULL;
202     cache->wCursor = 0;
203     cache->usedSize = 0;
204     cache->size = 0;
207 static uint16 GetReadCursor(HiviewCache *cache)
209     if (cache == NULL || cache->buffer == NULL) {
215     if (cache->wCursor >= cache->usedSize) {
216         readCursor = cache->wCursor - cache->usedSize;
218         readCursor = cache->size - (cache->usedSize - cache->wCursor);