/* Load a bitmap from the persistent cache */
RDCBOOL
pstcache_load_bitmap(rdcConnection conn, uint8 cache_id, uint16 cache_idx)
{
uint8 *celldata;
int fd;
CELLHEADER cellhdr;
HBITMAP bitmap;
if (!conn->bitmapCachePersist)
return False;
if (!IS_PERSISTENT(cache_id) || cache_idx >= BMPCACHE2_NUM_PSTCELLS)
return False;
fd = conn->pstcacheFd[cache_id];
rd_lseek_file(fd, cache_idx * (conn->pstcacheBpp * MAX_CELL_SIZE + sizeof(CELLHEADER)));
rd_read_file(fd, &cellhdr, sizeof(CELLHEADER));
celldata = (uint8 *) xmalloc(cellhdr.length);
rd_read_file(fd, celldata, cellhdr.length);
bitmap = ui_create_bitmap(conn, cellhdr.width, cellhdr.height, celldata);
DEBUG(("Load bitmap from disk: id=%d, idx=%d, bmp=0x%x)\n", cache_id, cache_idx, bitmap));
cache_put_bitmap(conn, cache_id, cache_idx, bitmap);
xfree(celldata);
return True;
}
/* Load a bitmap from the persistent cache */
BOOL
pstcache_load_bitmap(RDPCLIENT * This, uint8 cache_id, uint16 cache_idx)
{
uint8 *celldata;
int fd;
CELLHEADER cellhdr;
HBITMAP bitmap;
if (!This->bitmap_cache_persist_enable)
return False;
if (!IS_PERSISTENT(cache_id) || cache_idx >= BMPCACHE2_NUM_PSTCELLS)
return False;
fd = This->pstcache_fd[cache_id];
rd_lseek_file(fd, cache_idx * (This->pstcache_Bpp * MAX_CELL_SIZE + sizeof(CELLHEADER)));
rd_read_file(fd, &cellhdr, sizeof(CELLHEADER));
celldata = (uint8 *) malloc(cellhdr.length);
if(celldata == NULL)
return False;
rd_read_file(fd, celldata, cellhdr.length);
bitmap = ui_create_bitmap(This, cellhdr.width, cellhdr.height, celldata);
DEBUG(("Load bitmap from disk: id=%d, idx=%d, bmp=0x%x)\n", cache_id, cache_idx, bitmap));
cache_put_bitmap(This, cache_id, cache_idx, bitmap);
free(celldata);
return True;
}
/* Load a bitmap from the persistent cache */
RD_BOOL
pstcache_load_bitmap(rdpPcache * pcache, uint8 cache_id, uint16 cache_idx)
{
uint8 *celldata;
int fd;
CELLHEADER cellhdr;
RD_HBITMAP bitmap;
if (!(pcache->rdp->settings->bitmap_cache_persist_enable))
return False;
if (!IS_PERSISTENT(cache_id) || cache_idx >= BMPCACHE2_NUM_PSTCELLS)
return False;
fd = pcache->pstcache_fd[cache_id];
rd_lseek_file(fd, cache_idx *
(pcache->pstcache_Bpp * MAX_CELL_SIZE + sizeof(CELLHEADER)));
rd_read_file(fd, &cellhdr, sizeof(CELLHEADER));
celldata = (uint8 *) xmalloc(cellhdr.length);
rd_read_file(fd, celldata, cellhdr.length);
bitmap = ui_create_bitmap(pcache->rdp->inst, cellhdr.width, cellhdr.height, celldata);
DEBUG("Load bitmap from disk: id=%d, idx=%d, bmp=0x%x)\n", cache_id, cache_idx,
(unsigned int) bitmap);
cache_put_bitmap(pcache->rdp->cache, cache_id, cache_idx, bitmap);
xfree(celldata);
return True;
}
/* Load a bitmap from the persistent cache */
RD_BOOL
pstcache_load_bitmap(uint8 cache_id, uint16 cache_idx)
{
uint8 *celldata;
int fd;
CELLHEADER cellhdr;
RD_HBITMAP bitmap;
if (!g_bitmap_cache_persist_enable)
return False;
if (!IS_PERSISTENT(cache_id) || cache_idx >= BMPCACHE2_NUM_PSTCELLS)
return False;
fd = g_pstcache_fd[cache_id];
rd_lseek_file(fd, cache_idx * (g_pstcache_Bpp * MAX_CELL_SIZE + sizeof(CELLHEADER)));
rd_read_file(fd, &cellhdr, sizeof(CELLHEADER));
celldata = (uint8 *) xmalloc(cellhdr.length);
rd_read_file(fd, celldata, cellhdr.length);
bitmap = ui_create_bitmap(cellhdr.width, cellhdr.height, celldata);
logger(Core, Debug, "pstcache_load_bitmap(), load bitmap from disk: id=%d, idx=%d, bmp=%p)",
cache_id, cache_idx, bitmap);
cache_put_bitmap(cache_id, cache_idx, bitmap);
xfree(celldata);
return True;
}
/* List the bitmap keys from the persistent cache file */
int
pstcache_enumerate(rdpPcache * pcache, uint8 id, HASH_KEY * keylist)
{
int fd, n;
uint16 idx;
sint16 mru_idx[0xa00];
uint32 mru_stamp[0xa00];
CELLHEADER cellhdr;
if (!(pcache->rdp->settings->bitmap_cache &&
pcache->rdp->settings->bitmap_cache_persist_enable &&
IS_PERSISTENT(id)))
return 0;
/* The server disconnects if the bitmap cache content is sent more than once */
if (pcache->pstcache_enumerated)
return 0;
DEBUG_RDP5("Persistent bitmap cache enumeration... ");
for (idx = 0; idx < BMPCACHE2_NUM_PSTCELLS; idx++)
{
fd = pcache->pstcache_fd[id];
rd_lseek_file(fd, idx *
(pcache->pstcache_Bpp * MAX_CELL_SIZE + sizeof(CELLHEADER)));
if (rd_read_file(fd, &cellhdr, sizeof(CELLHEADER)) <= 0)
break;
if (memcmp(cellhdr.key, pcache->zero_key, sizeof(HASH_KEY)) != 0)
{
memcpy(keylist[idx], cellhdr.key, sizeof(HASH_KEY));
/* Pre-cache (not possible for 8 bit color depth cause it needs a colormap) */
if (pcache->rdp->settings->bitmap_cache_precache && cellhdr.stamp &&
pcache->rdp->settings->server_depth > 8)
pstcache_load_bitmap(pcache, id, idx);
/* Sort by stamp */
for (n = idx; n > 0 && cellhdr.stamp < mru_stamp[n - 1]; n--)
{
mru_idx[n] = mru_idx[n - 1];
mru_stamp[n] = mru_stamp[n - 1];
}
mru_idx[n] = idx;
mru_stamp[n] = cellhdr.stamp;
}
else
{
break;
}
}
DEBUG_RDP5("%d cached bitmaps.\n", idx);
cache_rebuild_bmpcache_linked_list(pcache->rdp->cache, id, mru_idx, idx);
pcache->pstcache_enumerated = True;
return idx;
}
/* List the bitmap keys from the persistent cache file */
int
pstcache_enumerate(uint8 id, HASH_KEY * keylist)
{
int fd, n;
uint16 idx;
sint16 mru_idx[0xa00];
uint32 mru_stamp[0xa00];
CELLHEADER cellhdr;
if (!(g_bitmap_cache && g_bitmap_cache_persist_enable && IS_PERSISTENT(id)))
return 0;
/* The server disconnects if the bitmap cache content is sent more than once */
if (g_pstcache_enumerated)
return 0;
logger(Core, Debug, "pstcache_enumerate(), start enumeration");
for (idx = 0; idx < BMPCACHE2_NUM_PSTCELLS; idx++)
{
fd = g_pstcache_fd[id];
rd_lseek_file(fd, idx * (g_pstcache_Bpp * MAX_CELL_SIZE + sizeof(CELLHEADER)));
if (rd_read_file(fd, &cellhdr, sizeof(CELLHEADER)) <= 0)
break;
if (memcmp(cellhdr.key, zero_key, sizeof(HASH_KEY)) != 0)
{
memcpy(keylist[idx], cellhdr.key, sizeof(HASH_KEY));
/* Pre-cache (not possible for 8-bit colour depth cause it needs a colourmap) */
if (g_bitmap_cache_precache && cellhdr.stamp && g_server_depth > 8)
pstcache_load_bitmap(id, idx);
/* Sort by stamp */
for (n = idx; n > 0 && cellhdr.stamp < mru_stamp[n - 1]; n--)
{
mru_idx[n] = mru_idx[n - 1];
mru_stamp[n] = mru_stamp[n - 1];
}
mru_idx[n] = idx;
mru_stamp[n] = cellhdr.stamp;
}
else
{
break;
}
}
logger(Core, Debug, "pstcache_enumerate(), %d cached bitmaps", idx);
cache_rebuild_bmpcache_linked_list(id, mru_idx, idx);
g_pstcache_enumerated = True;
return idx;
}
/* List the bitmap keys from the persistent cache file */
int
pstcache_enumerate(rdcConnection conn, uint8 id, HASH_KEY * keylist)
{
int fd, idx, n;
sint16 mru_idx[0xa00];
uint32 mru_stamp[0xa00];
CELLHEADER cellhdr;
if (!(conn->bitmapCache && conn->bitmapCachePersist && IS_PERSISTENT(id)))
return 0;
/* The server disconnects if the bitmap cache content is sent more than once */
if (conn->pstcacheEnumerated)
return 0;
DEBUG_RDP5(("Persistent bitmap cache enumeration... "));
for (idx = 0; idx < BMPCACHE2_NUM_PSTCELLS; idx++)
{
fd = conn->pstcacheFd[id];
rd_lseek_file(fd, idx * (conn->pstcacheBpp * MAX_CELL_SIZE + sizeof(CELLHEADER)));
if (rd_read_file(fd, &cellhdr, sizeof(CELLHEADER)) <= 0)
break;
if (memcmp(cellhdr.key, zero_key, sizeof(HASH_KEY)) != 0)
{
memcpy(keylist[idx], cellhdr.key, sizeof(HASH_KEY));
/* Pre-cache (not possible for 8bpp because 8bpp needs a colourmap) */
if (conn->bitmapCachePrecache && cellhdr.stamp && conn->serverBpp > 8)
pstcache_load_bitmap(conn, id, idx);
/* Sort by stamp */
for (n = idx; n > 0 && cellhdr.stamp < mru_stamp[n - 1]; n--)
{
mru_idx[n] = mru_idx[n - 1];
mru_stamp[n] = mru_stamp[n - 1];
}
mru_idx[n] = idx;
mru_stamp[n] = cellhdr.stamp;
}
else
{
break;
}
}
DEBUG_RDP5(("%d cached bitmaps.\n", idx));
cache_rebuild_bmpcache_linked_list(conn, id, mru_idx, idx);
conn->pstcacheEnumerated = True;
return idx;
}
