void *DBRM_deadlock(void *arg)
{
DBRM dbrm;
int terr;
VER_t txn = 2;
vector<LBIDRange> ranges;
LBIDRange range;
vector<VBRange> freeList;
range.start = 2000;
range.size = 1000;
ranges.push_back(range);
terr = dbrm.beginVBCopy(txn, ranges, freeList);
range.start = 1000;
range.size = 1000;
ranges.clear();
freeList.clear();
ranges.push_back(range);
terr = dbrm.beginVBCopy(txn, ranges, freeList);
// block waiting on the main thread, main thread deadlocks, rolls back,
// thread wakes
CPPUNIT_ASSERT(terr == 0);
terr = dbrm.endVBCopy(txn, ranges);
CPPUNIT_ASSERT(terr == 0);
terr = dbrm.vbCommit(txn);
CPPUNIT_ASSERT(terr == 0);
return NULL;
}
void DBRM_resource_graph_1()
{
DBRM dbrm;
pthread_t t;
VER_t txn = 1;
int err, allocSize;
LBIDRange range;
vector<LBID_t> lbids;
vector<LBIDRange> ranges;
vector<VBRange> freeList;
err = dbrm.createExtent(8000, 1, lbids, allocSize);
CPPUNIT_ASSERT(err == 0);
range.start = 1000;
range.size = 1000;
ranges.push_back(range);
err = dbrm.beginVBCopy(txn, ranges, freeList);
CPPUNIT_ASSERT(err == 0);
pthread_create(&t, NULL, DBRM_dummy_1, NULL);
sleep(1);
// thread tries to grab 500-1500, blocks
err = dbrm.endVBCopy(txn, ranges);
CPPUNIT_ASSERT(err == 0);
err = dbrm.vbCommit(txn);
CPPUNIT_ASSERT(err == 0);
dbrm.deleteOID(1);
//thread finishes
pthread_join(t, NULL);
}
void *DBRM_dummy_1(void *arg)
{
DBRM dbrm;
int err;
VER_t txn = 2;
vector<LBIDRange> ranges;
LBIDRange range;
vector<VBRange> freeList;
range.start = 500;
range.size = 1000;
ranges.push_back(range);
err = dbrm.beginVBCopy(txn, ranges, freeList);
CPPUNIT_ASSERT(err == 0);
err = dbrm.endVBCopy(txn, ranges);
CPPUNIT_ASSERT(err == 0);
err = dbrm.vbCommit(txn);
CPPUNIT_ASSERT(err == 0);
return NULL;
}
void brm_good_2()
{
DBRM brm;
VBBM vbbm;
VSS vss;
CopyLocks cl;
int i, err, size;
vector<LBID_t> lbids;
vector<EMEntry> extents;
LBIDRange_v ranges;
LBIDRange_v::iterator lbidRangeIT;
vector<VBRange> vbRanges, vbRanges2;
vector<VBRange>::iterator vbRangesIT;
EMEntry em;
OID_t oid;
uint32_t fbo;
LBIDRange range;
VBRange vbRange;
VER_t verID;
bool vbFlag;
// Buildbot times out on the getBlocks() call during leakcheck b/c it takes
// > 5 mins for some reason. Have to ping it before 300 seconds go by.
void (*oldsig)(int);
cerr << "brm_good_2" << endl;
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
oldsig = signal(SIGALRM, keepalive);
alarm(290);
err = brm.lookup(0, 0, false, oid, fbo);
CPPUNIT_ASSERT(err != 0);
err = brm.lookup(0, 0, true, oid, fbo);
CPPUNIT_ASSERT(err != 0);
err = brm.createExtent(8000, 1, lbids, size);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(size == brm.getExtentSize());
CPPUNIT_ASSERT(lbids.size() == 1);
// CPPUNIT_ASSERT(*(lbids.begin()) == 0);
err = brm.getExtents(1, extents);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(extents.size() == 1);
em = *(extents.begin());
// CPPUNIT_ASSERT(em.range.start == 0);
CPPUNIT_ASSERT(em.range.size*1024 == static_cast<uint32_t>(brm.getExtentSize()));
CPPUNIT_ASSERT(em.HWM == 0);
CPPUNIT_ASSERT(em.blockOffset == 0);
for (i = 0; i < 5; i++) {
range.start = i * 100;
range.size = 100;
ranges.push_back(range);
}
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
err = brm.beginVBCopy(1, ranges, vbRanges);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
cl.lock(CopyLocks::READ);
for (lbidRangeIT = ranges.begin(); lbidRangeIT != ranges.end();
lbidRangeIT++)
CPPUNIT_ASSERT(cl.isLocked(*lbidRangeIT));
cl.release(CopyLocks::READ);
err = brm.beginVBCopy(1, ranges, vbRanges2);
CPPUNIT_ASSERT(err != 0);
cl.lock(CopyLocks::READ);
for (lbidRangeIT = ranges.begin(); lbidRangeIT != ranges.end();
lbidRangeIT++)
CPPUNIT_ASSERT(cl.isLocked(*lbidRangeIT));
cl.release(CopyLocks::READ);
for (i = 0; i < 500; i++) {
verID = MAXINT;
err = brm.vssLookup(i, verID, 1, vbFlag);
CPPUNIT_ASSERT(err != 0);
}
vbRange = *(vbRanges.begin());
// CPPUNIT_ASSERT(vbRange.vbFBO == 0);
for (i = 0; i < (int)vbRange.size; i++) {
err = brm.writeVBEntry(1, i, vbRange.vbOID, vbRange.vbFBO + i);
CPPUNIT_ASSERT(err == 0);
}
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
for (i = 0; i < (int)vbRange.size; i++) {
verID = MAXINT;
err = brm.vssLookup(i, verID, 1, vbFlag);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(verID == 1);
CPPUNIT_ASSERT(vbFlag == false);
verID = MAXINT;
err = brm.vssLookup(i, verID, 0, vbFlag);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(verID == 0);
CPPUNIT_ASSERT(vbFlag == true);
}
for (; i < 500; i++) {
verID = MAXINT;
err = brm.vssLookup(i, verID, 1, vbFlag);
CPPUNIT_ASSERT(err != 0);
}
err = brm.endVBCopy(0, ranges);
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
cl.lock(CopyLocks::READ);
for (lbidRangeIT = ranges.begin(); lbidRangeIT != ranges.end();
lbidRangeIT++)
CPPUNIT_ASSERT(!cl.isLocked(*lbidRangeIT));
cl.release(CopyLocks::READ);
brm.vbCommit(1);
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
for (i = 0; i < (int)vbRange.size; i++) {
verID = MAXINT;
err = brm.vssLookup(i, verID, 0, vbFlag);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(verID == 1);
CPPUNIT_ASSERT(vbFlag == false);
verID = 0;
err = brm.vssLookup(i, verID, 0, vbFlag);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(verID == 0);
CPPUNIT_ASSERT(vbFlag == true);
err = brm.lookup(i, verID, vbFlag, oid, fbo);
CPPUNIT_ASSERT(err == 0);
CPPUNIT_ASSERT(oid == vbRange.vbOID);
CPPUNIT_ASSERT(fbo == static_cast<uint32_t>(i + vbRange.vbFBO));
vbbm.lock(VBBM::WRITE);
vss.lock(VSS::WRITE);
vbbm.removeEntry(i, verID);
// vss.removeEntry(i, 1);
vss.removeEntry(i, verID);
vbbm.confirmChanges();
vss.confirmChanges();
vss.release(VSS::WRITE);
vbbm.release(VBBM::WRITE);
}
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
brm.deleteOID(1);
vss.lock(VSS::READ);
vbbm.lock(VBBM::READ);
CPPUNIT_ASSERT(vbbm.size() == 0);
CPPUNIT_ASSERT(vbbm.hashEmpty());
CPPUNIT_ASSERT(vss.size() == 0);
CPPUNIT_ASSERT(vss.hashEmpty());
vss.release(VSS::READ);
vbbm.release(VBBM::READ);
CPPUNIT_ASSERT(brm.checkConsistency() == 0);
err = brm.saveState();
CPPUNIT_ASSERT(err==0);
}