diff options
Diffstat (limited to 'chrome/browser/safe_browsing/safe_browsing_database.h')
| -rw-r--r-- | chrome/browser/safe_browsing/safe_browsing_database.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/chrome/browser/safe_browsing/safe_browsing_database.h b/chrome/browser/safe_browsing/safe_browsing_database.h index b676665..4b4fe47 100644 --- a/chrome/browser/safe_browsing/safe_browsing_database.h +++ b/chrome/browser/safe_browsing/safe_browsing_database.h @@ -69,8 +69,11 @@ class SafeBrowsingDatabase { // to blocking user requests. void set_synchronous() { asynchronous_ = false; } - // Store the results of a GetHash response. - void CacheHashResults(const std::vector<SBFullHashResult>& full_hits); + // Store the results of a GetHash response. In the case of empty results, we + // cache the prefixes until the next update so that we don't have to issue + // further GetHash requests we know will be empty. + void CacheHashResults(const std::vector<SBPrefix>& prefixes, + const std::vector<SBFullHashResult>& full_hits); // Called when the user's machine has resumed from a lower power state. void HandleResume(); @@ -288,6 +291,9 @@ class SafeBrowsingDatabase { typedef stdext::hash_map<SBPrefix, HashList> HashCache; HashCache hash_cache_; + // Cache of prefixes that returned empty results (no full hash match). + std::set<SBPrefix> prefix_miss_cache_; + // The amount of time, in milliseconds, to wait before the next disk write. int disk_delay_; |