TEST_F(AntiCacheDBTest, BerkeleyReadBlock) {
// This will create a tempdir that will automatically be cleaned up
ChTempDir tempdir;
AntiCacheDB* anticache = new BerkeleyAntiCacheDB(NULL, ".", BLOCK_SIZE, MAX_SIZE);
string tableName("FAKE");
string payload("Test Read");
uint16_t blockId = anticache->nextBlockId();
anticache->writeBlock(tableName,
blockId,
1,
const_cast<char*>(payload.data()),
static_cast<int>(payload.size())+1);
AntiCacheBlock* block = anticache->readBlock(blockId);
ASSERT_EQ(block->getTableName(), tableName);
ASSERT_EQ(block->getBlockId(), blockId);
ASSERT_EQ(0, payload.compare(block->getData()));
long expected_size = payload.size()+1;
ASSERT_EQ(block->getSize(), expected_size);
delete block;
delete anticache;
}
TEST_F(AntiCacheEvictionManagerTest, MigrateBlock) {
ChTempDir tempdir;
string temp = tempdir.name();
ExecutorContext* ctx = m_engine->getExecutorContext();
ctx->setAntiCacheLevels(2);
AntiCacheEvictionManager* acem = new AntiCacheEvictionManager(m_engine);
AntiCacheDB* nvmdb = new NVMAntiCacheDB(ctx, temp, BLOCK_SIZE, MAX_SIZE);
AntiCacheDB* berkeleydb = new BerkeleyAntiCacheDB(ctx, temp, BLOCK_SIZE, MAX_SIZE);
nvmdb->setBlockMerge(true);
berkeleydb->setBlockMerge(true);
int16_t nvm_acid = acem->addAntiCacheDB(nvmdb);
int16_t berkeley_acid = acem->addAntiCacheDB(berkeleydb);
ASSERT_EQ(nvm_acid, nvmdb->getACID());
ASSERT_EQ(berkeley_acid, berkeleydb->getACID());
ASSERT_EQ(0, nvm_acid);
ASSERT_EQ(1, berkeley_acid);
string tableName("TEST");
string payload("Test payload");
int32_t blockId = nvmdb->nextBlockId();
nvmdb->writeBlock(tableName,
blockId,
1,
const_cast<char*>(payload.data()),
static_cast<int>(payload.size())+1,
1);
//int32_t fullBlockId = (nvm_acid << 16) | blockId;
//VOLT_INFO("acid: %x, blockId: %x fullBlockId: %x\n", nvm_acid, blockId, fullBlockId);
int32_t newBlockId = (int32_t) acem->migrateBlock(blockId, berkeleydb);
int32_t _new_block_id = (int16_t) (newBlockId & 0x0000FFFF);
VOLT_INFO("blockId: %x newBlockId: %x _new_block_id: %x", blockId, newBlockId, _new_block_id);
AntiCacheBlock* berkeleyblock = berkeleydb->readBlock(_new_block_id, 1);
VOLT_INFO("tableName: %s berkeleyblock name: %s", tableName.c_str(), berkeleyblock->getTableName().c_str());
ASSERT_EQ(_new_block_id, berkeleyblock->getBlockId());
ASSERT_EQ(payload.size()+1, berkeleyblock->getSize());
ASSERT_EQ(0, tableName.compare(berkeleyblock->getTableName()));
ASSERT_EQ(0, payload.compare(berkeleyblock->getData()));
delete berkeleyblock;
string tableNameLRU("LRU Table");
string payloadLRU("LRU Test payload");
VOLT_DEBUG("migrating LRU block...");
int32_t blockIdLRU = nvmdb->nextBlockId();
nvmdb->writeBlock(tableNameLRU,
blockIdLRU,
1,
const_cast<char*>(payloadLRU.data()),
static_cast<int>(payloadLRU.size())+1,
1);
blockId = nvmdb->nextBlockId();
nvmdb->writeBlock(tableName,
blockId,
1,
const_cast<char*>(payload.data()),
static_cast<int>(payload.size())+1,
1);
newBlockId = (int32_t)acem->migrateLRUBlock(nvmdb, berkeleydb);
_new_block_id = (int32_t) (newBlockId & 0x0FFFFFFF);
berkeleyblock = berkeleydb->readBlock(_new_block_id, 1);
VOLT_INFO("tableName: %s berkeleyblock name: %s\n", tableName.c_str(), berkeleyblock->getTableName().c_str());
ASSERT_EQ(_new_block_id, berkeleyblock->getBlockId());
ASSERT_EQ(payloadLRU.size()+1, berkeleyblock->getSize());
ASSERT_EQ(0, payloadLRU.compare(berkeleyblock->getData()));
//delete ctx;
//delete nvmblock;
delete berkeleyblock;
delete berkeleydb;
delete nvmdb;
delete acem;
}