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MXS-1475 Report if hard TTL has hit in

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If an entry is not returned because the hard TTL had hit in,
we tell about it so that the caller can act differently in that
case.
This commit is contained in:
Johan Wikman
2018-03-15 09:48:44 +02:00
parent 38d20c1575
commit 4ce894d24d
2 changed files with 4 additions and 1 deletions
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4
server/modules/filter/cache/cache_storage_api.h vendored
View File

@ -29,7 +29,8 @@ typedef enum cache_result_bits
CACHE_RESULT_ERROR = 0x03,
CACHE_RESULT_OUT_OF_RESOURCES = 0x04,
CACHE_RESULT_STALE = 0x10000 /*< Possibly combined with OK and NOT_FOUND. */
CACHE_RESULT_STALE = 0x10000, /*< Possibly combined with OK and NOT_FOUND. */
CACHE_RESULT_DISCARDED = 0x20000, /*< Possibly combined with NOT_FOUND. */
} cache_result_bits_t;
typedef uint32_t cache_result_t;
@ -39,6 +40,7 @@ typedef uint32_t cache_result_t;
#define CACHE_RESULT_IS_ERROR(result) (result & CACHE_RESULT_ERROR)
#define CACHE_RESULT_IS_OUT_OF_RESOURCES(result) (result & CACHE_RESULT_OUT_OF_RESOURCES)
#define CACHE_RESULT_IS_STALE(result) (result & CACHE_RESULT_STALE)
#define CACHE_RESULT_IS_DISCARDED(result) (result & CACHE_RESULT_DISCARDED)
typedef enum cache_flags
{

1
server/modules/filter/cache/storage/storage_inmemory/inmemorystorage.cc vendored
View File

@ -149,6 +149,7 @@ cache_result_t InMemoryStorage::do_get_value(const CACHE_KEY& key, uint32_t flag
if (is_hard_stale)
{
m_entries.erase(i);
result |= CACHE_RESULT_DISCARDED;
}
else if (!is_soft_stale || include_stale)
{