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author | Marc-André Lureau <marcandre.lureau@gmail.com> | 2014-02-27 19:36:15 +0200 |
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committer | Frediano Ziglio <fziglio@redhat.com> | 2015-10-20 14:00:25 +0100 |
commit | 0facd6fc9e3e29bafdd8d01a0c9c7aec81b29b97 (patch) | |
tree | 00ba9bf64202fa913046b682ee24fed6451b67eb /server/cache_item.tmpl.c | |
parent | e5e3e9eefe3f7bed86af33aa1e855f6f83431f24 (diff) | |
download | spice-0facd6fc9e3e29bafdd8d01a0c9c7aec81b29b97.tar.gz spice-0facd6fc9e3e29bafdd8d01a0c9c7aec81b29b97.tar.xz spice-0facd6fc9e3e29bafdd8d01a0c9c7aec81b29b97.zip |
server: rename red_client_cache.h to cache_item.tmpl.c
Acked-by: Frediano Ziglio <fziglio@redhat.com>
Diffstat (limited to 'server/cache_item.tmpl.c')
-rw-r--r-- | server/cache_item.tmpl.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/server/cache_item.tmpl.c b/server/cache_item.tmpl.c new file mode 100644 index 00000000..dc314c05 --- /dev/null +++ b/server/cache_item.tmpl.c @@ -0,0 +1,139 @@ +/* + Copyright (C) 2009 Red Hat, Inc. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, see <http://www.gnu.org/licenses/>. +*/ + +#if defined(CLIENT_CURSOR_CACHE) + +#define CACHE_NAME cursor_cache +#define CACHE_HASH_KEY CURSOR_CACHE_HASH_KEY +#define CACHE_HASH_SIZE CURSOR_CACHE_HASH_SIZE +#define CACHE_INVAL_TYPE SPICE_MSG_CURSOR_INVAL_ONE +#define FUNC_NAME(name) red_cursor_cache_##name +#define VAR_NAME(name) cursor_cache_##name +#define CHANNEL CursorChannel +#define CHANNELCLIENT CursorChannelClient + +#elif defined(CLIENT_PALETTE_CACHE) + +#define CACHE_NAME palette_cache +#define CACHE_HASH_KEY PALETTE_CACHE_HASH_KEY +#define CACHE_HASH_SIZE PALETTE_CACHE_HASH_SIZE +#define CACHE_INVAL_TYPE SPICE_MSG_DISPLAY_INVAL_PALETTE +#define FUNC_NAME(name) red_palette_cache_##name +#define VAR_NAME(name) palette_cache_##name +#define CHANNEL DisplayChannel +#define CHANNELCLIENT DisplayChannelClient +#else + +#error "no cache type." + +#endif + +#define CHANNEL_FROM_RCC(rcc) SPICE_CONTAINEROF((rcc)->channel, CHANNEL, common.base); + +static CacheItem *FUNC_NAME(find)(CHANNELCLIENT *channel_client, uint64_t id) +{ + CacheItem *item = channel_client->CACHE_NAME[CACHE_HASH_KEY(id)]; + + while (item) { + if (item->id == id) { + ring_remove(&item->u.cache_data.lru_link); + ring_add(&channel_client->VAR_NAME(lru), &item->u.cache_data.lru_link); + break; + } + item = item->u.cache_data.next; + } + return item; +} + +static void FUNC_NAME(remove)(CHANNELCLIENT *channel_client, CacheItem *item) +{ + CacheItem **now; + CHANNEL *channel = CHANNEL_FROM_RCC(&channel_client->common.base); + spice_assert(item); + + now = &channel_client->CACHE_NAME[CACHE_HASH_KEY(item->id)]; + for (;;) { + spice_assert(*now); + if (*now == item) { + *now = item->u.cache_data.next; + break; + } + now = &(*now)->u.cache_data.next; + } + ring_remove(&item->u.cache_data.lru_link); + channel_client->VAR_NAME(items)--; + channel_client->VAR_NAME(available) += item->size; + + red_channel_pipe_item_init(&channel->common.base, &item->u.pipe_data, PIPE_ITEM_TYPE_INVAL_ONE); + red_channel_client_pipe_add_tail(&channel_client->common.base, &item->u.pipe_data); // for now +} + +static int FUNC_NAME(add)(CHANNELCLIENT *channel_client, uint64_t id, size_t size) +{ + CacheItem *item; + int key; + + item = spice_new(CacheItem, 1); + + channel_client->VAR_NAME(available) -= size; + while (channel_client->VAR_NAME(available) < 0) { + CacheItem *tail = (CacheItem *)ring_get_tail(&channel_client->VAR_NAME(lru)); + if (!tail) { + channel_client->VAR_NAME(available) += size; + free(item); + return FALSE; + } + FUNC_NAME(remove)(channel_client, tail); + } + ++channel_client->VAR_NAME(items); + item->u.cache_data.next = channel_client->CACHE_NAME[(key = CACHE_HASH_KEY(id))]; + channel_client->CACHE_NAME[key] = item; + ring_item_init(&item->u.cache_data.lru_link); + ring_add(&channel_client->VAR_NAME(lru), &item->u.cache_data.lru_link); + item->id = id; + item->size = size; + item->inval_type = CACHE_INVAL_TYPE; + return TRUE; +} + +static void FUNC_NAME(reset)(CHANNELCLIENT *channel_client, long size) +{ + int i; + + for (i = 0; i < CACHE_HASH_SIZE; i++) { + while (channel_client->CACHE_NAME[i]) { + CacheItem *item = channel_client->CACHE_NAME[i]; + channel_client->CACHE_NAME[i] = item->u.cache_data.next; + free(item); + } + } + ring_init(&channel_client->VAR_NAME(lru)); + channel_client->VAR_NAME(available) = size; + channel_client->VAR_NAME(items) = 0; +} + + +#undef CACHE_NAME +#undef CACHE_HASH_KEY +#undef CACHE_HASH_SIZE +#undef CACHE_INVAL_TYPE +#undef CACHE_MAX_CLIENT_SIZE +#undef FUNC_NAME +#undef VAR_NAME +#undef CHANNEL +#undef CHANNELCLIENT +#undef CHANNEL_FROM_RCC |