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Cache: Pass argument as reference when it must be non-NULL

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This commit is contained in:
Johan Wikman
2016-12-20 14:08:43 +02:00
parent 3f2c6d844b
commit e90f0d31a6
9 changed files with 31 additions and 31 deletions
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20
server/modules/filter/cache/storage/storage_inmemory/inmemorystorage.cc vendored
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@ -97,13 +97,13 @@ InMemoryStorage* InMemoryStorage::Create_instance(const char* zName,
return sStorage.release();
}
cache_result_t InMemoryStorage::Get_key(const char* zDefault_db, const GWBUF* pQuery, CACHE_KEY* pKey)
cache_result_t InMemoryStorage::Get_key(const char* zDefault_db, const GWBUF& query, CACHE_KEY* pKey)
{
ss_dassert(GWBUF_IS_CONTIGUOUS(pQuery));
ss_dassert(GWBUF_IS_CONTIGUOUS(&query));
int n;
bool fullnames = true;
char** pzTables = qc_get_table_names(const_cast<GWBUF*>(pQuery), &n, fullnames);
char** pzTables = qc_get_table_names(const_cast<GWBUF*>(&query), &n, fullnames);
set<string> dbs; // Elements in set are sorted.
@ -149,7 +149,7 @@ cache_result_t InMemoryStorage::Get_key(const char* zDefault_db, const GWBUF* pQ
char *pSql;
int length;
modutil_extract_SQL(const_cast<GWBUF*>(pQuery), &pSql, &length);
modutil_extract_SQL(const_cast<GWBUF*>(&query), &pSql, &length);
// Then we store the query itself in the second half of the key.
pData = reinterpret_cast<const unsigned char*>(pSql);
@ -248,11 +248,11 @@ cache_result_t InMemoryStorage::do_get_value(const CACHE_KEY& key, uint32_t flag
return result;
}
cache_result_t InMemoryStorage::do_put_value(const CACHE_KEY& key, const GWBUF* pValue)
cache_result_t InMemoryStorage::do_put_value(const CACHE_KEY& key, const GWBUF& value)
{
ss_dassert(GWBUF_IS_CONTIGUOUS(pValue));
ss_dassert(GWBUF_IS_CONTIGUOUS(&value));
size_t size = GWBUF_LENGTH(pValue);
size_t size = GWBUF_LENGTH(&value);
Entries::iterator i = m_entries.find(key);
Entry* pEntry;
@ -276,8 +276,8 @@ cache_result_t InMemoryStorage::do_put_value(const CACHE_KEY& key, const GWBUF*
{
// If the needed value is less than what is currently stored,
// we shrink the buffer so as not to waste space.
Value value(size);
pEntry->value.swap(value);
Value entry_value(size);
pEntry->value.swap(entry_value);
}
else
{
@ -287,7 +287,7 @@ cache_result_t InMemoryStorage::do_put_value(const CACHE_KEY& key, const GWBUF*
m_stats.size += size;
const uint8_t* pData = GWBUF_DATA(pValue);
const uint8_t* pData = GWBUF_DATA(&value);
copy(pData, pData + size, pEntry->value.begin());
pEntry->time = time(NULL);

6
server/modules/filter/cache/storage/storage_inmemory/inmemorystorage.hh vendored
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@ -30,12 +30,12 @@ public:
const CACHE_STORAGE_CONFIG& config,
int argc, char* argv[]);
static cache_result_t Get_key(const char* zDefault_db, const GWBUF* pQuery, CACHE_KEY* pKey);
static cache_result_t Get_key(const char* zDefault_db, const GWBUF& query, CACHE_KEY* pKey);
void get_config(CACHE_STORAGE_CONFIG* pConfig);
virtual cache_result_t get_info(uint32_t what, json_t** ppInfo) const = 0;
virtual cache_result_t get_value(const CACHE_KEY& key, uint32_t flags, GWBUF** ppResult) = 0;
virtual cache_result_t put_value(const CACHE_KEY& key, const GWBUF* pValue) = 0;
virtual cache_result_t put_value(const CACHE_KEY& key, const GWBUF& value) = 0;
virtual cache_result_t del_value(const CACHE_KEY& key) = 0;
cache_result_t get_head(CACHE_KEY* pKey, GWBUF** ppHead) const;
@ -49,7 +49,7 @@ protected:
cache_result_t do_get_info(uint32_t what, json_t** ppInfo) const;
cache_result_t do_get_value(const CACHE_KEY& key, uint32_t flags, GWBUF** ppResult);
cache_result_t do_put_value(const CACHE_KEY& key, const GWBUF* pValue);
cache_result_t do_put_value(const CACHE_KEY& key, const GWBUF& value);
cache_result_t do_del_value(const CACHE_KEY& key);
private:

4
server/modules/filter/cache/storage/storage_inmemory/inmemorystoragemt.cc vendored
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@ -49,11 +49,11 @@ cache_result_t InMemoryStorageMT::get_value(const CACHE_KEY& key, uint32_t flags
return do_get_value(key, flags, ppResult);
}
cache_result_t InMemoryStorageMT::put_value(const CACHE_KEY& key, const GWBUF* pValue)
cache_result_t InMemoryStorageMT::put_value(const CACHE_KEY& key, const GWBUF& value)
{
SpinLockGuard guard(lock_);
return do_put_value(key, pValue);
return do_put_value(key, value);
}
cache_result_t InMemoryStorageMT::del_value(const CACHE_KEY& key)

2
server/modules/filter/cache/storage/storage_inmemory/inmemorystoragemt.hh vendored
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@ -29,7 +29,7 @@ public:
cache_result_t get_info(uint32_t what, json_t** ppInfo) const;
cache_result_t get_value(const CACHE_KEY& key, uint32_t flags, GWBUF** ppResult);
cache_result_t put_value(const CACHE_KEY& key, const GWBUF* pValue);
cache_result_t put_value(const CACHE_KEY& key, const GWBUF& value);
cache_result_t del_value(const CACHE_KEY& key);
private:

4
server/modules/filter/cache/storage/storage_inmemory/inmemorystoragest.cc vendored
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@ -43,9 +43,9 @@ cache_result_t InMemoryStorageST::get_value(const CACHE_KEY& key, uint32_t flags
return do_get_value(key, flags, ppResult);
}
cache_result_t InMemoryStorageST::put_value(const CACHE_KEY& key, const GWBUF* pValue)
cache_result_t InMemoryStorageST::put_value(const CACHE_KEY& key, const GWBUF& value)
{
return do_put_value(key, pValue);
return do_put_value(key, value);
}
cache_result_t InMemoryStorageST::del_value(const CACHE_KEY& key)

2
server/modules/filter/cache/storage/storage_inmemory/inmemorystoragest.hh vendored
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@ -28,7 +28,7 @@ public:
cache_result_t get_info(uint32_t what, json_t** ppInfo) const;
cache_result_t get_value(const CACHE_KEY& key, uint32_t flags, GWBUF** ppResult);
cache_result_t put_value(const CACHE_KEY& key, const GWBUF* pValue);
cache_result_t put_value(const CACHE_KEY& key, const GWBUF& pValue);
cache_result_t del_value(const CACHE_KEY& key);
private:

16
server/modules/filter/cache/storage/storage_rocksdb/rocksdbstorage.cc vendored
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@ -360,13 +360,13 @@ RocksDBStorage* RocksDBStorage::Create(const char* zName,
return sStorage.release();
}
cache_result_t RocksDBStorage::Get_key(const char* zDefault_db, const GWBUF* pQuery, CACHE_KEY* pKey)
cache_result_t RocksDBStorage::Get_key(const char* zDefault_db, const GWBUF& query, CACHE_KEY* pKey)
{
ss_dassert(GWBUF_IS_CONTIGUOUS(pQuery));
ss_dassert(GWBUF_IS_CONTIGUOUS(&query));
int n;
bool fullnames = true;
char** pzTables = qc_get_table_names(const_cast<GWBUF*>(pQuery), &n, fullnames);
char** pzTables = qc_get_table_names(const_cast<GWBUF*>(&query), &n, fullnames);
set<string> dbs; // Elements in set are sorted.
@ -409,7 +409,7 @@ cache_result_t RocksDBStorage::Get_key(const char* zDefault_db, const GWBUF* pQu
char *pSql;
int length;
modutil_extract_SQL(const_cast<GWBUF*>(pQuery), &pSql, &length);
modutil_extract_SQL(const_cast<GWBUF*>(&query), &pSql, &length);
// Then we store the query itself in the second half of the key.
pData = reinterpret_cast<const unsigned char*>(pSql);
@ -510,14 +510,14 @@ cache_result_t RocksDBStorage::get_value(const CACHE_KEY& key, uint32_t flags, G
return result;
}
cache_result_t RocksDBStorage::put_value(const CACHE_KEY& key, const GWBUF* pValue)
cache_result_t RocksDBStorage::put_value(const CACHE_KEY& key, const GWBUF& value)
{
ss_dassert(GWBUF_IS_CONTIGUOUS(pValue));
ss_dassert(GWBUF_IS_CONTIGUOUS(&value));
rocksdb::Slice rocksdb_key(key.data, ROCKSDB_KEY_LENGTH);
rocksdb::Slice value((char*)GWBUF_DATA(pValue), GWBUF_LENGTH(pValue));
rocksdb::Slice rocksdb_value((char*)GWBUF_DATA(&value), GWBUF_LENGTH(&value));
rocksdb::Status status = m_sDb->Put(Write_options(), rocksdb_key, value);
rocksdb::Status status = m_sDb->Put(Write_options(), rocksdb_key, rocksdb_value);
return status.ok() ? CACHE_RESULT_OK : CACHE_RESULT_ERROR;
}

4
server/modules/filter/cache/storage/storage_rocksdb/rocksdbstorage.hh vendored
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@ -30,12 +30,12 @@ public:
int argc, char* argv[]);
~RocksDBStorage();
static cache_result_t Get_key(const char* zDefault_db, const GWBUF* pQuery, CACHE_KEY* pKey);
static cache_result_t Get_key(const char* zDefault_db, const GWBUF& query, CACHE_KEY* pKey);
void get_config(CACHE_STORAGE_CONFIG* pConfig);
cache_result_t get_info(uint32_t flags, json_t** ppInfo) const;
cache_result_t get_value(const CACHE_KEY& key, uint32_t flags, GWBUF** ppResult);
cache_result_t put_value(const CACHE_KEY& key, const GWBUF* pValue);
cache_result_t put_value(const CACHE_KEY& key, const GWBUF& value);
cache_result_t del_value(const CACHE_KEY& key);
cache_result_t get_head(CACHE_KEY* pKey, GWBUF** ppHead) const;

4
server/modules/filter/cache/storage/storagemodule.hh vendored
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@ -47,7 +47,7 @@ public:
cache_result_t result = CACHE_RESULT_ERROR;
MXS_EXCEPTION_GUARD(result = StorageType::Get_key(zDefault_db, pQuery, pKey));
MXS_EXCEPTION_GUARD(result = StorageType::Get_key(zDefault_db, *pQuery, pKey));
return result;
}
@ -113,7 +113,7 @@ public:
StorageType* pStorage = reinterpret_cast<StorageType*>(pCache_storage);
MXS_EXCEPTION_GUARD(result = pStorage->put_value(*pKey, pValue));
MXS_EXCEPTION_GUARD(result = pStorage->put_value(*pKey, *pValue));
return result;
}