void EventSessionUpnp::ProcessNotification(IEventProcessor& aEventProcessor, const Brx& aEntity)
{
aEventProcessor.EventUpdateStart();
OutputProcessorUpnp outputProcessor;
Brn propertySet = XmlParserBasic::Find("propertyset", aEntity);
Brn prop;
Brn remaining;
try {
for (;;) {
prop.Set(XmlParserBasic::Find("property", propertySet, remaining));
prop.Set(Ascii::Trim(prop));
if (prop.Bytes() < 8 || prop[0] != '<' || prop[1] == '/') {
THROW(XmlError);
}
Parser parser(prop);
(void)parser.Next('<');
Brn tagName = parser.Next('>');
Brn val = parser.Next('<');
Brn closingTag = parser.Next('/');
closingTag.Set(parser.Next('>'));
if (tagName != closingTag) {
THROW(XmlError);
}
try {
aEventProcessor.EventUpdate(tagName, val, outputProcessor);
}
catch(AsciiError&) {
THROW(XmlError);
}
propertySet.Set(remaining);
}
}
catch(XmlError&) {}
aEventProcessor.EventUpdateEnd();
}
void EventSessionUpnp::ProcessNotification(IEventProcessor& aEventProcessor, const Brx& aEntity)
{
aEventProcessor.EventUpdateStart();
OutputProcessorUpnp outputProcessor;
Brn propertySet = XmlParserBasic::Find("propertyset", aEntity);
Brn prop;
Brn remaining;
try {
for (;;) {
try {
prop.Set(XmlParserBasic::Find("property", propertySet, remaining));
}
catch (XmlError&) {
// we've successfully processed all <property> tags from aEntity
break;
}
prop.Set(Ascii::Trim(prop));
if (prop.Bytes() < 8 || prop[0] != '<' || prop[1] == '/') {
THROW(XmlError);
}
Parser parser(prop);
(void)parser.Next('<');
Brn tagNameFull = parser.Next('>');
Brn tagName = tagNameFull;
TUint bytes = tagNameFull.Bytes();
TUint i;
for (i = 0; i < bytes; i++) {
if (Ascii::IsWhitespace(tagNameFull[i])) {
break;
}
}
if (i < bytes) {
tagName.Set(tagNameFull.Split(0, i));
}
Brn val;
if (bytes > 0 && tagNameFull[bytes-1] == '/') {
// empty element tag
val.Set(Brx::Empty());
if (i == bytes) { // no white space before '/'
tagName.Set(tagName.Split(0, bytes-1));
}
}
else {
val.Set(parser.Next('<'));
Brn closingTag = parser.Next('/');
closingTag.Set(parser.Next('>'));
if (tagName != closingTag) {
THROW(XmlError);
}
}
try {
aEventProcessor.EventUpdate(tagName, val, outputProcessor);
}
catch(AsciiError&) {
THROW(XmlError);
}
propertySet.Set(remaining);
}
aEventProcessor.EventUpdateEnd();
}
catch(XmlError&) {
aEventProcessor.EventUpdateError();
}
}
void CpiDeviceLpec::HandleEventedUpdate(const Brx& aUpdate)
{
Parser parser(aUpdate);
Brn lpecId = parser.Next(' ');
Bws<128> sid(iDevice->Udn());
sid.Append('-');
sid.Append(lpecId);
CpiSubscription* subscription = iCpStack.SubscriptionManager().FindSubscription(sid);
if (subscription == NULL) {
/* There is a very short window between Subscribe() returning and the new
subscription being added to its manager. As a lazy workaround for this,
sleep for a short period and retry before rejecting the update */
Thread::Sleep(1000);
subscription = iCpStack.SubscriptionManager().FindSubscription(sid);
}
if (subscription == NULL) {
LOG(kLpec, "LPEC: evented update received for unknown subscription - ");
LOG(kLpec, sid);
LOG(kLpec, "\n");
return;
}
Brn seqBuf = parser.Next(' ');
TUint seq;
try {
seq = Ascii::Uint(seqBuf);
}
catch (AsciiError&) {
LOG(kLpec, "LPEC: invalid sequence number - ");
LOG(kLpec, seqBuf);
LOG(kLpec, "in evented update\n");
subscription->RemoveRef();
return;
}
if (!subscription->UpdateSequenceNumber(seq)) {
LOG(kLpec, "LPEC: out of sequence update (%d) for ", seq);
LOG(kLpec, sid);
LOG(kLpec, "\n");
subscription->SetNotificationError();
subscription->RemoveRef();
return;
}
IEventProcessor* processor = static_cast<IEventProcessor*>(subscription);
processor->EventUpdateStart();
OutputProcessor outputProcessor;
try {
for (;;) {
Brn propName = parser.Next(' ');
if (propName.Bytes() == 0) {
// processed entire update
break;
}
(void)parser.Next(Lpec::kArgumentDelimiter);
Brn propVal = parser.Next(Lpec::kArgumentDelimiter);
processor->EventUpdate(propName, propVal, outputProcessor);
}
processor->EventUpdateEnd();
}
catch (AsciiError&) {
LOG2(kLpec, kError, "LPEC: Invalid evented update - ");
LOG2(kLpec, kError, aUpdate);
LOG2(kLpec, kError, "\n");
processor->EventUpdateError();
}
subscription->Unlock();
subscription->RemoveRef();
}
