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BUG/MEDIUM: cache: free callback to remove from tree

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Call the shctx free_blocks callback in order to remove the row from the
cache tree.

Put the row in the hot list during allocation, forbid the blocks to be
stolen by a free or a row_reserve
This commit is contained in:
William Lallemand 2017-11-20 19:13:12 +01:00 committed by Willy Tarreau
parent d6942c8297
commit a400a3a6d0
1 changed files with 13 additions and 2 deletions
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15
src/cache.c
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@ -338,6 +338,14 @@ int http_calc_maxage(struct stream *s)
}
static void cache_free_blocks(struct shared_block *first, struct shared_block *block)
{
if (first == block) {
struct cache_entry *object = (struct cache_entry *)first->data;
eb32_delete(&object->eb);
}
}
/*
* This fonction will store the headers of the response in a buffer and then
* register a filter to store the data
@ -575,10 +583,12 @@ enum act_return http_action_req_cache_use(struct act_rule *rule, struct proxy *p
struct cache *cache = (struct cache *)rule->arg.act.p[0];
search_entry.eb.key = hash_djb2(s->txn->uri, strlen(s->txn->uri));
shctx_lock(shctx_ptr(cache));
res = entry_exist(cache, &search_entry);
if (res) {
struct appctx *appctx;
shctx_row_inc_hot(shctx_ptr(cache), block_ptr(res));
shctx_unlock(shctx_ptr(cache));
s->target = &http_cache_applet.obj_type;
if ((appctx = stream_int_register_handler(&s->si[1], objt_applet(s->target)))) {
appctx->st0 = HTTP_CACHE_INIT;
@ -589,6 +599,7 @@ enum act_return http_action_req_cache_use(struct act_rule *rule, struct proxy *p
return ACT_RET_YIELD;
}
}
shctx_unlock(shctx_ptr(cache));
return ACT_RET_CONT;
}
@ -705,7 +716,7 @@ int cfg_post_parse_section_cache()
err_code |= ERR_FATAL | ERR_ALERT;
goto out;
}
shctx->free_block = cache_free_blocks;
memcpy(shctx->data, tmp_cache_config, sizeof(struct cache));
cache = (struct cache *)shctx->data;
cache->entries = EB_ROOT_UNIQUE;