This commit is contained in:
Michael Davidsaver
2016-01-29 18:34:59 -05:00
parent 8be5c48677
commit 03f666c3f6
3 changed files with 100 additions and 6 deletions

View File

@ -137,6 +137,8 @@ MonitorCacheEntry::monitorEvent(pvd::MonitorPtr const & monitor)
{
Guard G(usr->mutex());
if(usr->initial)
continue; // no start() yet
if(!usr->running || usr->empty.empty()) {
usr->inoverflow = true;
@ -157,7 +159,7 @@ MonitorCacheEntry::monitorEvent(pvd::MonitorPtr const & monitor)
AUTO_VAL(elem, usr->empty.front());
elem->overrunBitSet->clear();
*elem->overrunBitSet = *update->overrunBitSet;
assign(elem, update); // TODO: nice to avoid copy
usr->filled.push_back(elem);
@ -272,7 +274,7 @@ MonitorUser::start()
Guard G(mutex());
if(initial) {
initial = true;
initial = false;
empty.resize(entry->bufferSize);
pvd::PVDataCreatePtr fact(pvd::getPVDataCreate());
@ -284,17 +286,19 @@ MonitorUser::start()
overflowElement.reset(new pvd::MonitorElement(fact->createPVStructure(typedesc)));
}
doEvt = filled.empty();
if(lval && !empty.empty()) {
//already running, notify of initial element
pvd::MonitorElementPtr elem(empty.front());
elem->pvStructurePtr = lval;
elem->changedBitSet->set(0); // indicate all changed?
elem->changedBitSet->set(0); // indicate all changed
filled.push_back(elem);
empty.pop_front();
doEvt = true;
}
doEvt &= !filled.empty();
running = true;
}
if(doEvt)
@ -341,6 +345,7 @@ MonitorUser::release(pvd::MonitorElementPtr const & monitorElement)
filled.push_back(overflowElement);
overflowElement = monitorElement;
overflowElement->changedBitSet->clear();
overflowElement->overrunBitSet->clear();
inoverflow = false;
} else {

View File

@ -162,6 +162,90 @@ struct TestMonitor {
mon->destroy();
mon2->destroy();
}
void test_ds_no_start()
{
testDiag("Test downstream monitor never start()s");
TestChannelMonitorRequester::shared_pointer mreq(new TestChannelMonitorRequester);
pvd::Monitor::shared_pointer mon(client->createMonitor(mreq, makeRequest(2)));
if(!mon) testAbort("Failed to create monitor");
upstream->dispatch(); // trigger monitorEvent() from upstream to gateway
testOk1(mreq->eventCnt==0);
testOk1(!mon->poll());
pvd::BitSet changed;
changed.set(1);
test1_x=50;
test1->post(changed, false);
test1_x=51;
test1->post(changed, false);
test1_x=52;
test1->post(changed, false);
test1_x=53;
test1->post(changed);
testOk1(!mon->poll());
mon->destroy();
}
void test_overflow_upstream()
{
testDiag("Check behavour when upstream monitor overflows (mostly transparent)");
TestChannelMonitorRequester::shared_pointer mreq(new TestChannelMonitorRequester);
pvd::Monitor::shared_pointer mon(client->createMonitor(mreq, makeRequest(2)));
if(!mon) testAbort("Failed to create monitor");
testOk1(mreq->eventCnt==0);
testOk1(mon->start().isSuccess());
upstream->dispatch(); // trigger monitorEvent() from upstream to gateway
testOk1(mreq->eventCnt==1);
testDiag("poll initial update");
pvd::MonitorElementPtr elem(mon->poll());
testOk1(!!elem.get());
if(elem) mon->release(elem);
pvd::BitSet changed;
changed.set(1);
test1_x=50;
test1->post(changed, false);
test1_x=51;
test1->post(changed, false);
test1_x=52;
test1->post(changed, false);
test1_x=53;
test1->post(changed);
elem = mon->poll();
testOk1(!!elem.get());
testOk1(elem && elem->pvStructurePtr->getSubFieldT<pvd::PVInt>("x")->get()==50);
testOk1(elem && elem->changedBitSet->nextSetBit(0)==1);
testOk1(elem && elem->changedBitSet->nextSetBit(2)==-1);
testOk1(elem && elem->overrunBitSet->nextSetBit(0)==-1);
if(elem) mon->release(elem);
elem = mon->poll();
testOk1(!!elem.get());
testOk1(elem && elem->pvStructurePtr->getSubFieldT<pvd::PVInt>("x")->get()==53);
testOk1(elem && elem->changedBitSet->nextSetBit(0)==1);
testOk1(elem && elem->changedBitSet->nextSetBit(2)==-1);
testOk1(elem && elem->overrunBitSet->nextSetBit(0)==1);
testOk1(elem && elem->overrunBitSet->nextSetBit(2)==-1);
if(elem) mon->release(elem);
testOk1(!mon->poll());
mon->destroy();
}
};
} // namespace
@ -171,6 +255,8 @@ MAIN(testmon)
testPlan(0);
TEST_METHOD(TestMonitor, test_event);
TEST_METHOD(TestMonitor, test_share);
TEST_METHOD(TestMonitor, test_ds_no_start);
TEST_METHOD(TestMonitor, test_overflow_upstream);
TestProvider::testCounts();
int ok = 1;
size_t temp;

View File

@ -386,7 +386,7 @@ void TestPVMonitor::release(pvd::MonitorElementPtr const & monitorElement)
testDiag("TestPVMonitor::release %p %p", this, monitorElement.get());
if(inoverflow) {
assert(!buffer.empty());
// buffer.empty() may be true if all elements poll()d by user
assert(this->free.empty());
monitorElement->pvStructurePtr->copyUnchecked(*overflow->pvStructurePtr);
@ -447,6 +447,9 @@ void TestPV::post(const pvd::BitSet& changed, bool notify)
{
TestPVMonitor *mon = it2->get();
if(!mon->running)
continue;
mon->overflow->pvStructurePtr->copyUnchecked(*value, changed);
if(mon->free.empty()) {