// Generate the default content for presence status.
void PresenceDefaultConstructor::generateDefaultContent(SipPublishContentMgr* contentMgr,
const char* resourceId,
const char* eventTypeKey,
const char* eventType)
{
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"PresenceDefaultConstructor::generateDefaultContent "
"generating default content for resourceId '%s', "
"eventTypeKey '%s', eventType '%s'",
resourceId, eventTypeKey, eventType);
// Create a presence event package and store it in the publisher.
// This code parallels SipPresenceMonitor::setStatus.
SipPresenceEvent* sipPresenceEvent = new SipPresenceEvent(resourceId);
UtlString id;
UtlString resource(resourceId);
SipPresenceMonitor::makeId(id, resource);
Tuple* tuple = new Tuple(id.data());
tuple->setStatus(DEFAULT_PRESENCE_STATUS);
tuple->setContact(resourceId, 1.0);
sipPresenceEvent->insertTuple(tuple);
// Build its text version.
sipPresenceEvent->buildBody();
// Publish the event (storing it for the resource), but set
// noNotify to TRUE, because our caller will push the NOTIFYs.
contentMgr->publish(resourceId, eventTypeKey, eventType, 1,
&(HttpBody*&) sipPresenceEvent, TRUE);
}
bool SipPresenceMonitor::addPresenceEvent(UtlString& contact, SipPresenceEvent* presenceEvent)
{
bool requiredPublish = false;
if (mPresenceEventList.find(&contact) == NULL)
{
requiredPublish = true;
OsSysLog::add(FAC_SIP, PRI_DEBUG, "SipPresenceMonitor::addPresenceEvent adding the presenceEvent %p for contact %s",
presenceEvent, contact.data());
}
else
{
OsSysLog::add(FAC_SIP, PRI_DEBUG, "SipPresenceMonitor::addPresenceEvent presenceEvent %p for contact %s already exists, just update the content.",
presenceEvent, contact.data());
// Get the object from the presence event list
UtlContainable* oldKey;
UtlContainable* foundValue;
foundValue = mPresenceEventList.findValue(&contact);
SipPresenceEvent* oldPresenceEvent = dynamic_cast <SipPresenceEvent *> (foundValue);
UtlString oldStatus, status;
UtlString id;
NetMd5Codec::encode(contact, id);
oldPresenceEvent->getTuple(id)->getStatus(oldStatus);
presenceEvent->getTuple(id)->getStatus(status);
if (status.compareTo(oldStatus) != 0)
{
requiredPublish = true;
oldKey = mPresenceEventList.removeKeyAndValue(&contact, foundValue);
delete oldKey;
OsSysLog::add(FAC_SIP, PRI_DEBUG, "SipPresenceMonitor::addPresenceEvent remove the presenceEvent %p for contact %s",
oldPresenceEvent, contact.data());
if (oldPresenceEvent)
{
delete oldPresenceEvent;
}
}
}
if (requiredPublish)
{
// Insert it into the presence event list
presenceEvent->buildBody();
mPresenceEventList.insertKeyAndValue(new UtlString(contact), presenceEvent);
if (mToBePublished)
{
// Publish the content to the resource list
publishContent(contact, presenceEvent);
}
// Notify the state change
notifyStateChange(contact, presenceEvent);
}
return requiredPublish;
}
void SipPresenceMonitor::getState(const Url& aor, UtlString& status)
{
UtlString contact;
aor.getUserId(contact);
contact += mHostAndPort;
// Make the contact be a proper URI by prepending "sip:".
contact.prepend("sip:");
UtlContainable* foundValue;
mLock.acquire();
foundValue = mPresenceEventList.findValue(&contact);
if (foundValue)
{
SipPresenceEvent* presenceEvent = dynamic_cast <SipPresenceEvent *> (foundValue);
UtlString id;
makeId(id, contact);
presenceEvent->getTuple(id)->getStatus(status);
OsSysLog::add(FAC_SIP, PRI_ERR, "SipPresenceMonitor::getState contact %s state = %s",
contact.data(), status.data());
}
else
{
OsSysLog::add(FAC_SIP, PRI_ERR, "SipPresenceMonitor::getState contact %s does not exist",
contact.data());
status = STATUS_CLOSED;
}
mLock.release();
}
// Returns TRUE if the requested state is different from the current state.
bool SipPresenceMonitor::setStatus(const Url& aor, const Status value)
{
if (OsSysLog::willLog(FAC_SIP, PRI_DEBUG))
{
UtlString aorString;
aor.toString(aorString);
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SipPresenceMonitor::setStatus aor = '%s', value = %d %s",
aorString.data(), value,
(value == StateChangeNotifier::PRESENT ? "PRESENT" :
value == StateChangeNotifier::AWAY ? "AWAY" :
"UNKNOWN"));
}
bool result = false;
UtlString contact;
aor.getUserId(contact);
contact += mHostAndPort;
// Make the contact be a proper URI by prepending "sip:".
contact.prepend("sip:");
// Create a presence event package and store it in the publisher
SipPresenceEvent* sipPresenceEvent = new SipPresenceEvent(contact);
UtlString id;
makeId(id, contact);
Tuple* tuple = new Tuple(id.data());
tuple->setStatus(value == StateChangeNotifier::PRESENT ?
STATUS_OPEN :
STATUS_CLOSED);
tuple->setContact(contact, 1.0);
sipPresenceEvent->insertTuple(tuple);
// Add the SipPresenceEvent object to the presence event list.
result = addPresenceEvent(contact, sipPresenceEvent);
return result;
}
bool SipPresenceMonitor::setStatus(const Url& aor, const Status value)
{
bool result = false;
UtlString contact;
aor.getIdentity(contact);
// Create a presence event package and store it in the publisher
SipPresenceEvent* sipPresenceEvent = new SipPresenceEvent(contact);
UtlString id;
NetMd5Codec::encode(contact, id);
Tuple* tuple = new Tuple(id.data());
if (value == StateChangeNotifier::PRESENT)
{
tuple->setStatus(STATUS_OPEN);
tuple->setContact(contact, 1.0);
}
else
{
if (value == StateChangeNotifier::AWAY)
{
tuple->setStatus(STATUS_CLOSE);
tuple->setContact(contact, 1.0);
}
}
sipPresenceEvent->insertTuple(tuple);
// Add the SipPresenceEvent object to the subscribe list
result = addPresenceEvent(contact, sipPresenceEvent);
return result;
}
// Write the presence events to the persistent file.
void SipPresenceMonitor::writePersistentFile()
{
mLock.acquire();
// Create an empty document
TiXmlDocument document;
// Create a hard coded standalone declaration section
document.Parse("<?xml version=\"1.0\" standalone=\"yes\"?>");
// Create the root node container
TiXmlElement itemsElement ("items");
itemsElement.SetAttribute("type", sType.data());
itemsElement.SetAttribute("xmlns", sXmlNamespace.data());
int timeNow = (int)OsDateTime::getSecsSinceEpoch();
itemsElement.SetAttribute("timestamp", timeNow);
// mPresenceEventList is a hash map that maps contacts to SipPresenceEvents.
// SipPresenceEvents are hash maps of contacts to Tuples. In practice,
// a SipPresenceEvent has only one Tuple. (And if it had more, there
// would be no way to discover what they are, as there is no iterator.)
// Tuples are triples: id, contact, status.
// Loop through all the events in mPresenceEventList.
UtlHashMapIterator iterator(mPresenceEventList);
UtlString* contact;
while ((contact = dynamic_cast <UtlString*> (iterator())))
{
// Create an item container
TiXmlElement itemElement ("item");
// Get the SipPresenceEvent.
SipPresenceEvent* event =
dynamic_cast <SipPresenceEvent*> (iterator.value());
// Calculate the id of the Tuple.
UtlString id;
makeId(id, *contact);
// Get the Tuple.
Tuple* tuple = event->getTuple(id);
// Get the status.
UtlString status;
tuple->getStatus(status);
// Construct the <item>.
TiXmlElement id_element("id");
TiXmlText id_content(id);
id_element.InsertEndChild(id_content);
itemElement.InsertEndChild(id_element);
TiXmlElement contact_element("contact");
TiXmlText contact_content(contact->data());
contact_element.InsertEndChild(contact_content);
itemElement.InsertEndChild(contact_element);
TiXmlElement status_element("status");
TiXmlText status_content(status);
status_element.InsertEndChild(status_content);
itemElement.InsertEndChild(status_element);
// Add the <item> element to the <items> element.
itemsElement.InsertEndChild ( itemElement );
}
// Attach <items> to the root node to the document
document.InsertEndChild(itemsElement);
document.SaveFile(mPersistentFile);
mLock.release();
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SipPresenceMonitorPersistenceTask::writePersistentFile file written");
}
// Read the presence events from the persistent file.
void SipPresenceMonitor::readPersistentFile()
{
mLock.acquire();
// Initialize Tiny XML document object.
TiXmlDocument document;
TiXmlNode* items_node;
if (
// Load the XML into it.
document.LoadFile(mPersistentFile.data()) &&
// Find the top element, which should be an <items>.
(items_node = document.FirstChild("items")) != NULL &&
items_node->Type() == TiXmlNode::ELEMENT)
{
// Find all the <item> elements.
int item_seq_no = 0;
for (TiXmlNode* item_node = 0;
(item_node = items_node->IterateChildren("item",
item_node));
)
{
if (item_node->Type() == TiXmlNode::ELEMENT)
{
item_seq_no++;
TiXmlElement* item_element = item_node->ToElement();
// Process the <item> element.
bool item_valid = true;
// Process the 'id' child.
UtlString id;
TiXmlNode* id_node = item_element->FirstChild("id");
if (id_node && id_node->Type() == TiXmlNode::ELEMENT)
{
textContentShallow(id, id_node);
if (id.isNull())
{
// Id null.
OsSysLog::add(FAC_ACD, PRI_ERR,
"id child of <item> was null");
item_valid = false;
}
}
else
{
// Id missing.
OsSysLog::add(FAC_ACD, PRI_ERR,
"id child of <item> was missing");
item_valid = false;
}
// Process the 'contact' child.
UtlString contact;
TiXmlNode* contact_node = item_element->FirstChild("contact");
if (contact_node && contact_node->Type() == TiXmlNode::ELEMENT)
{
textContentShallow(contact, contact_node);
if (contact.isNull())
{
// Contact null.
OsSysLog::add(FAC_ACD, PRI_ERR,
"contact child of <item> was null");
item_valid = false;
}
}
else
{
// Contact missing.
OsSysLog::add(FAC_ACD, PRI_ERR,
"contact child of <item> was missing");
item_valid = false;
}
// Process the 'status' child.
UtlString status;
TiXmlNode* status_node = item_element->FirstChild("status");
if (status_node && status_node->Type() == TiXmlNode::ELEMENT)
{
textContentShallow(status, status_node);
if (status.isNull())
{
// Status null.
OsSysLog::add(FAC_ACD, PRI_ERR,
"status child of <item> was null");
item_valid = false;
}
}
else
{
// Status missing.
OsSysLog::add(FAC_ACD, PRI_ERR,
"status child of <item> was missing");
item_valid = false;
}
OsSysLog::add(FAC_ACD, PRI_DEBUG,
"SipPresenceMonitor::readPersistentFile row: id = '%s', contact = '%s', status = '%s'",
id.data(), contact.data(), status.data());
if (item_valid)
{
// Create a presence event package and store it in
// mPresenceEventList.
SipPresenceEvent* sipPresenceEvent = new SipPresenceEvent(contact);
Tuple* tuple = new Tuple(id.data());
tuple->setStatus(status);
tuple->setContact(contact, 1.0);
sipPresenceEvent->insertTuple(tuple);
sipPresenceEvent->buildBody();
mPresenceEventList.insertKeyAndValue(new UtlString(contact),
sipPresenceEvent);
}
else
{
OsSysLog::add(FAC_ACD, PRI_ERR,
"In presence status file '%s', <item> number %d had invalid or incomplete information. The readable information was: id = '%s', contact = '%s', status = '%s'",
mPersistentFile.data(), item_seq_no,
id.data(), contact.data(), status.data());
}
}
}
}
else
{
// Report error parsing file.
OsSysLog::add(FAC_ACD, PRI_CRIT,
"Presence status file '%s' could not be parsed.",
mPersistentFile.data());
}
mLock.release();
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SipPresenceMonitorPersistenceTask::readPersistentFile done");
}
// Returns TRUE if the requested state is different from the current state.
bool SipPresenceMonitor::addPresenceEvent(UtlString& contact, SipPresenceEvent* presenceEvent)
{
mLock.acquire();
bool requiredPublish = false;
if (mPresenceEventList.find(&contact) == NULL)
{
requiredPublish = true;
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SipPresenceMonitor::addPresenceEvent adding presenceEvent %p for contact %s",
presenceEvent, contact.data());
}
else
{
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SipPresenceMonitor::addPresenceEvent presenceEvent %p for contact %s already exists, updating its contents.",
presenceEvent, contact.data());
// Get the object from the presence event list
UtlContainable* oldKey;
UtlContainable* foundValue;
foundValue = mPresenceEventList.findValue(&contact);
SipPresenceEvent* oldPresenceEvent = dynamic_cast <SipPresenceEvent *> (foundValue);
UtlString oldStatus, status;
UtlString id;
makeId(id, contact);
oldPresenceEvent->getTuple(id)->getStatus(oldStatus);
presenceEvent->getTuple(id)->getStatus(status);
if (status.compareTo(oldStatus) != 0)
{
requiredPublish = true;
// Since we will be saving a new value, remove the old one.
oldKey = mPresenceEventList.removeKeyAndValue(&contact, foundValue);
delete oldKey;
if (oldPresenceEvent)
{
delete oldPresenceEvent;
}
}
}
if (requiredPublish)
{
// Insert it into the presence event list.
presenceEvent->buildBody();
mPresenceEventList.insertKeyAndValue(new UtlString(contact), presenceEvent);
if (OsSysLog::willLog(FAC_SIP, PRI_DEBUG))
{
UtlString b;
ssize_t l;
presenceEvent->getBytes(&b, &l);
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"SipPresenceMonitor::addPresenceEvent presenceEvent %p for contact '%s' body '%s' is different from previous presenceEvent",
presenceEvent, contact.data(), b.data());
}
if (mToBePublished)
{
// Publish the content to the resource list.
publishContent(contact, presenceEvent);
}
// Notify the state change.
notifyStateChange(contact, presenceEvent);
if (!mPersistentFile.isNull())
{
// Start the save timer.
mPersistenceTimer.oneshotAfter(sPersistInterval);
}
}
else
{
// Since this presenceEvent will not be published (it does not
// change the state we've sent out), delete it now.
delete presenceEvent;
}
mLock.release();
return requiredPublish;
}
