/*
** Test case "api2" tests that the default page and block sizes of a
** database may only be modified before lsm_open() is called. And that
** after lsm_open() is called lsm_config() may be used to read the
** actual page and block size of the db.
*/
static void do_test_api2(const char *zPattern, int *pRc){
if( *pRc==0 && testCaseBegin(pRc, zPattern, "api2.lsm") ){
lsm_db *db1 = 0;
lsm_db *db2 = 0;
testDeleteLsmdb("testdb.lsm");
db1 = newLsmConnection("testdb.lsm", 0, 0, pRc);
testPagesize(db1, 4096, 1024, pRc);
db2 = newLsmConnection("testdb.lsm", 1024, 64*1024, pRc);
testPagesize(db2, 4096, 1024, pRc);
lsm_close(db1);
lsm_close(db2);
testDeleteLsmdb("testdb.lsm");
db1 = newLsmConnection("testdb.lsm", 1024, 64*1024, pRc);
testPagesize(db1, 1024, 64*1024, pRc);
db2 = newLsmConnection("testdb.lsm", 0, 0, pRc);
testPagesize(db2, 1024, 64*1024, pRc);
lsm_close(db1);
lsm_close(db2);
testDeleteLsmdb("testdb.lsm");
db1 = newLsmConnection("testdb.lsm", 8192, 2*1024, pRc);
testPagesize(db1, 8192, 2*1024, pRc);
db2 = newLsmConnection("testdb.lsm", 1024, 64*1024, pRc);
testPagesize(db2, 8192, 2*1024, pRc);
lsm_close(db1);
lsm_close(db2);
testCaseFinish(*pRc);
}
}
/*
** Set up a database file with the following properties:
**
** * Page size is 1024 bytes.
** * Block size is 64 KB.
** * Contains 5000 key-value pairs starting at 0 from the
** datasource returned getDatasource().
*/
static void setup_populate_db2(){
Datasource *pData;
int ii;
int rc;
int nBlocksize = 64*1024;
int nPagesize = 1024;
int nWritebuffer = 4*1024;
lsm_db *pDb;
testDeleteLsmdb(LSMTEST6_TESTDB);
rc = lsm_new(tdb_lsm_env(), &pDb);
if( rc==LSM_OK ) rc = lsm_open(pDb, LSMTEST6_TESTDB);
lsm_config(pDb, LSM_CONFIG_BLOCK_SIZE, &nBlocksize);
lsm_config(pDb, LSM_CONFIG_PAGE_SIZE, &nPagesize);
lsm_config(pDb, LSM_CONFIG_AUTOFLUSH, &nWritebuffer);
pData = getDatasource();
for(ii=0; rc==LSM_OK && ii<5000; ii++){
void *pKey; int nKey;
void *pVal; int nVal;
testDatasourceEntry(pData, ii, &pKey, &nKey, &pVal, &nVal);
lsm_insert(pDb, pKey, nKey, pVal, nVal);
}
testDatasourceFree(pData);
lsm_close(pDb);
testSaveDb(LSMTEST6_TESTDB, "log");
assert( rc==LSM_OK );
}
/*
** Create a small database. With the following content:
**
** "one" -> "one"
** "two" -> "four"
** "three" -> "nine"
** "four" -> "sixteen"
** "five" -> "twentyfive"
** "six" -> "thirtysix"
** "seven" -> "fourtynine"
** "eight" -> "sixtyfour"
*/
static void setup_populate_db(){
const char *azStr[] = {
"one", "one",
"two", "four",
"three", "nine",
"four", "sixteen",
"five", "twentyfive",
"six", "thirtysix",
"seven", "fourtynine",
"eight", "sixtyfour",
};
int rc;
int ii;
lsm_db *pDb;
testDeleteLsmdb(LSMTEST6_TESTDB);
rc = lsm_new(tdb_lsm_env(), &pDb);
if( rc==LSM_OK ) rc = lsm_open(pDb, LSMTEST6_TESTDB);
for(ii=0; rc==LSM_OK && ii<ArraySize(azStr); ii+=2){
rc = lsmWriteStr(pDb, azStr[ii], azStr[ii+1]);
}
lsm_close(pDb);
testSaveDb(LSMTEST6_TESTDB, "log");
assert( rc==LSM_OK );
}
/*
** Test the results of OOM conditions in simple write operations.
*/
static void simple_oom_4(OomTest *pOom){
int rc = LSM_OK;
lsm_db *pDb;
testDeleteLsmdb(LSMTEST6_TESTDB);
testOomOpen(pOom, LSMTEST6_TESTDB, &pDb, &rc);
testOomWriteStr(pOom, pDb, "123", "onetwothree", &rc);
testOomWriteStr(pOom, pDb, "456", "fourfivesix", &rc);
testOomWriteStr(pOom, pDb, "789", "seveneightnine", &rc);
testOomWriteStr(pOom, pDb, "123", "teneleventwelve", &rc);
testOomWriteStr(pOom, pDb, "456", "fourteenfifteensixteen", &rc);
lsm_close(pDb);
}
/*
** This test case has two clients connected to a database. The first client
** hits an OOM while writing to the database. Check that the second
** connection is still able to query the db following the OOM.
*/
static void simple_oom2_1(OomTest *pOom){
const int nRecord = 100; /* Number of records initially in db */
const int nIns = 10; /* Number of records inserted with OOM */
Datasource *pData = getDatasource();
int rc = LSM_OK;
lsm_db *pDb1;
lsm_db *pDb2;
int i;
testDeleteLsmdb(LSMTEST6_TESTDB);
/* Open the two connections. Initialize the in-memory tree so that it
** contains 100 records. Do all this with OOM injection disabled. */
testOomEnable(pOom, 0);
testOomOpen(pOom, LSMTEST6_TESTDB, &pDb1, &rc);
testOomOpen(pOom, LSMTEST6_TESTDB, &pDb2, &rc);
for(i=0; i<nRecord; i++){
testOomWriteData(pOom, pDb1, pData, i, &rc);
}
testOomEnable(pOom, 1);
assert( rc==0 );
/* Insert 10 more records using pDb1. Stop when an OOM is encountered. */
for(i=nRecord; i<nRecord+nIns; i++){
testOomWriteData(pOom, pDb1, pData, i, &rc);
if( rc ) break;
}
testOomAssertRc(pOom, rc);
/* Switch off OOM injection. Write a few rows using pDb2. Then check
** that the database may be successfully queried. */
testOomEnable(pOom, 0);
rc = 0;
for(; i<nRecord+nIns && rc==0; i++){
testOomWriteData(pOom, pDb2, pData, i, &rc);
}
for(i=0; i<nRecord+nIns; i++) testOomFetchData(pOom, pDb2, pData, i, &rc);
testOomEnable(pOom, 1);
lsm_close(pDb1);
lsm_close(pDb2);
testDatasourceFree(pData);
}
static void setup_delete_db(){
testDeleteLsmdb(LSMTEST6_TESTDB);
}
