C++ presence::ref类代码示例

	void handlePresenceJoinRoom() {
		Swift::Presence::ref response = Swift::Presence::create();
		response->setTo("#[email protected]/hanzz");
		response->setFrom("[email protected]/resource");

		Swift::MUCPayload *payload = new Swift::MUCPayload();
		payload->setPassword("password");
		response->addPayload(boost::shared_ptr<Swift::Payload>(payload));
		injectPresence(response);
		loop->processEvents();

		// no presence received in server mode, just disco#info
		CPPUNIT_ASSERT_EQUAL(1, (int) received.size());
		CPPUNIT_ASSERT(getStanza(received[0])->getPayload<Swift::DiscoInfo>());

		CPPUNIT_ASSERT_EQUAL(std::string("#room"), room);
		CPPUNIT_ASSERT_EQUAL(std::string("hanzz"), roomNickname);
		CPPUNIT_ASSERT_EQUAL(std::string("password"), roomPassword);
	}

bool UserRegistration::registerUser(const UserInfo &row) {
	// TODO: move this check to sql()->addUser(...) and let it return bool
	UserInfo user;
	bool registered = m_storageBackend->getUser(row.jid, user);
	// This user is already registered
	if (registered)
		return false;

	m_storageBackend->setUser(row);

	Swift::Presence::ref response = Swift::Presence::create();
	response->setFrom(m_component->getJID());
	response->setTo(Swift::JID(row.jid));
	response->setType(Swift::Presence::Subscribe);

	m_component->m_component->sendPresence(response);

	onUserRegistered(row);
	return true;
}

    void handleSwiftPresenceChanged(const std::string &user, Swift::Presence::ref presence) {
        LOG4CXX_INFO(logger, user << ": " << presence->getFrom().toBare().toString() << " presence changed");

        std::string message = presence->getStatus();
        std::string photo = "";

        boost::shared_ptr<Swift::VCardUpdate> update = presence->getPayload<Swift::VCardUpdate>();
        if (update) {
            photo = update->getPhotoHash();
        }

        boost::optional<Swift::XMPPRosterItem> item = m_users[user]->getRoster()->getItem(presence->getFrom());
        if (item) {
            handleBuddyChanged(user, presence->getFrom().toBare().toString(), item->getName(), item->getGroups(), (pbnetwork::StatusType) presence->getShow(), message, photo);
        }
        else {
            std::vector<std::string> groups;
            handleBuddyChanged(user, presence->getFrom().toBare().toString(), presence->getFrom().toBare(), groups, (pbnetwork::StatusType) presence->getShow(), message, photo);
        }
    }

	void subscribeNewBuddy() {
		Swift::Presence::ref response = Swift::Presence::create();
		response->setTo("[email protected]");
		response->setFrom("[email protected]/resource");
		response->setType(Swift::Presence::Subscribe);

		injectPresence(response);
		loop->processEvents();

		CPPUNIT_ASSERT_EQUAL(2, (int) received.size());

		Swift::RosterPayload::ref payload1 = getStanza(received[0])->getPayload<Swift::RosterPayload>();
		CPPUNIT_ASSERT_EQUAL(1, (int) payload1->getItems().size());
		Swift::RosterItemPayload item = payload1->getItems()[0];
		CPPUNIT_ASSERT_EQUAL(std::string("buddy1"), Buddy::JIDToLegacyName(item.getJID()));

		CPPUNIT_ASSERT(dynamic_cast<Swift::Presence *>(getStanza(received[1])));
		CPPUNIT_ASSERT_EQUAL(Swift::Presence::Subscribed, dynamic_cast<Swift::Presence *>(getStanza(received[1]))->getType());

		CPPUNIT_ASSERT_EQUAL(std::string("buddy1"), m_buddy);
	}

void Component::handlePresence(Swift::Presence::ref presence) {
	bool isMUC = presence->getPayload<MUCPayload>() != NULL || *presence->getTo().getNode().c_str() == '#';
	// filter out login/logout presence spam
	if (!presence->getTo().getNode().empty() && isMUC == false)
		return;

	// filter out bad presences
	if (!presence->getFrom().isValid()) {
		return;
	}

	// check if we have this client's capabilities and ask for them
	if (presence->getType() != Swift::Presence::Unavailable) {
		boost::shared_ptr<CapsInfo> capsInfo = presence->getPayload<CapsInfo>();
		if (capsInfo && capsInfo->getHash() == "sha-1") {
			/*haveFeatures = */m_entityCapsManager->getCaps(presence->getFrom()) != DiscoInfo::ref();
		}
#ifdef SUPPORT_LEGACY_CAPS
		else {
			GetDiscoInfoRequest::ref discoInfoRequest = GetDiscoInfoRequest::create(presence->getFrom(), m_iqRouter);
			discoInfoRequest->onResponse.connect(boost::bind(&Component::handleDiscoInfoResponse, this, _1, _2, presence->getFrom()));
			discoInfoRequest->send();
		}
#endif
	}

	onUserPresenceReceived(presence);
}

void User::onConnectingTimeout() {
	if (m_connected || m_readyForConnect)
		return;
	m_reconnectTimer->stop();
	m_readyForConnect = true;
	onReadyToConnect();

	Swift::Presence::ref highest = m_presenceOracle->getHighestPriorityPresence(m_jid.toBare());
	if (highest) {
		LOG4CXX_INFO(logger, m_jid.toString() << ": Changing legacy network presence to " << highest->getType());
		onPresenceChanged(highest);
	}
}

void RosterManager::sendBuddyUnsubscribePresence(Buddy *buddy) {
	Swift::Presence::ref response = Swift::Presence::create();
	response->setTo(m_user->getJID());
	response->setFrom(buddy->getJID());
	response->setType(Swift::Presence::Unsubscribe);
	m_component->getFrontend()->sendPresence(response);

	response = Swift::Presence::create();
	response->setTo(m_user->getJID());
	response->setFrom(buddy->getJID());
	response->setType(Swift::Presence::Unsubscribed);
	m_component->getFrontend()->sendPresence(response);
}

void User::sendCurrentPresence() {
	if (m_component->inServerMode()) {
		return;
	}

	std::vector<Swift::Presence::ref> presences = m_presenceOracle->getAllPresence(m_jid);
	foreach(Swift::Presence::ref presence, presences) {
		if (presence->getType() == Swift::Presence::Unavailable) {
			continue;
		}

		if (m_connected) {
			Swift::Presence::ref highest = m_presenceOracle->getHighestPriorityPresence(m_jid.toBare());
			if (highest) {
				Swift::Presence::ref response = Swift::Presence::create(highest);
				response->setTo(presence->getFrom());
				response->setFrom(m_component->getJID());
				m_component->getStanzaChannel()->sendPresence(response);
			}
			else {
				Swift::Presence::ref response = Swift::Presence::create();
				response->setTo(presence->getFrom());
				response->setFrom(m_component->getJID());
				response->setType(Swift::Presence::Unavailable);
				m_component->getStanzaChannel()->sendPresence(response);
			}
		}
		else {
			Swift::Presence::ref response = Swift::Presence::create();
			response->setTo(presence->getFrom());
			response->setFrom(m_component->getJID());
			response->setType(Swift::Presence::Unavailable);
			response->setStatus("Connecting");
			m_component->getStanzaChannel()->sendPresence(response);
		}
	}
}

void User::handlePresence(Swift::Presence::ref presence) {

	int currentResourcesCount = m_presenceOracle->getAllPresence(m_jid).size();

	m_conversationManager->resetResources();

	if (!m_connected) {
		// we are not connected to legacy network, so we should do it when disco#info arrive :)
		if (m_readyForConnect == false) {
			
			// Forward status message to legacy network, but only if it's sent from active resource
// 					if (m_activeResource == presence->getFrom().getResource().getUTF8String()) {
// 						forwardStatus(presenceShow, stanzaStatus);
// 					}
			boost::shared_ptr<Swift::CapsInfo> capsInfo = presence->getPayload<Swift::CapsInfo>();
			if (capsInfo && capsInfo->getHash() == "sha-1") {
				if (m_entityCapsManager->getCaps(presence->getFrom()) != Swift::DiscoInfo::ref()) {
					LOG4CXX_INFO(logger, m_jid.toString() << ": Ready to be connected to legacy network");
					m_readyForConnect = true;
					onReadyToConnect();
				}
				else {
					m_reconnectTimer->start();
				}
			}
			else if (m_component->inServerMode()) {
				LOG4CXX_INFO(logger, m_jid.toString() << ": Ready to be connected to legacy network");
				m_readyForConnect = true;
				onReadyToConnect();
			}
			else {
				m_reconnectTimer->start();
			}
		}
	}

	bool isMUC = presence->getPayload<Swift::MUCPayload>() != NULL || *presence->getTo().getNode().c_str() == '#';
	if (isMUC) {
		if (presence->getType() == Swift::Presence::Unavailable) {
			std::string room = Buddy::JIDToLegacyName(presence->getTo());
			LOG4CXX_INFO(logger, m_jid.toString() << ": Going to left room " << room);
			onRoomLeft(room);

			Conversation *conv = m_conversationManager->getConversation(room);
			if (conv) {
				m_conversationManager->removeConversation(conv);
				delete conv;
			}
		}
		else {
			// force connection to legacy network to let backend to handle auto-join on connect.
			if (!m_readyForConnect) {
				LOG4CXX_INFO(logger, m_jid.toString() << ": Ready to be connected to legacy network");
				m_readyForConnect = true;
				onReadyToConnect();
			}
			std::string room = Buddy::JIDToLegacyName(presence->getTo());
			if (m_conversationManager->getConversation(room) != NULL) {
				LOG4CXX_INFO(logger, m_jid.toString() << ": User has already tried to join room " << room << " as " << presence->getTo().getResource());
				return;
			}

			LOG4CXX_INFO(logger, m_jid.toString() << ": Going to join room " << room << " as " << presence->getTo().getResource());
			std::string password = "";
			if (presence->getPayload<Swift::MUCPayload>() != NULL) {
				password = presence->getPayload<Swift::MUCPayload>()->getPassword() ? *presence->getPayload<Swift::MUCPayload>()->getPassword() : "";
			}
			onRoomJoined(presence->getFrom(), room, presence->getTo().getResource(), password);
		}
		return;
	}


	// User wants to disconnect this resource
	if (!m_component->inServerMode()) {
		if (presence->getType() == Swift::Presence::Unavailable) {
				// Send unavailable presences for online contacts
				m_rosterManager->sendUnavailablePresences(presence->getFrom());

				// Send unavailable presence for transport contact itself
				Swift::Presence::ref response = Swift::Presence::create();
				response->setTo(presence->getFrom());
				response->setFrom(m_component->getJID());
				response->setType(Swift::Presence::Unavailable);
				m_component->getStanzaChannel()->sendPresence(response);
		}
		else {
			sendCurrentPresence();
			// This resource is new, so we have to send buddies presences
			if (currentResourcesCount != m_resources) {
				m_rosterManager->sendCurrentPresences(presence->getFrom());
			}
		}
	}

	m_resources = currentResourcesCount;


	// Change legacy network presence
	if (m_readyForConnect) {
//.........这里部分代码省略.........

void RosterManager::handleSubscription(Swift::Presence::ref presence) {
	std::string legacyName = Buddy::JIDToLegacyName(presence->getTo(), m_user);
	if (legacyName.empty()) {
		return;
	}
	
	// For server mode the subscription changes are handler in rosterresponder.cpp
	// using roster pushes.
	if (m_component->inServerMode()) {
		Swift::Presence::ref response = Swift::Presence::create();
		response->setTo(presence->getFrom().toBare());
		response->setFrom(presence->getTo().toBare());
		Buddy *buddy = getBuddy(legacyName);
		if (buddy) {
			LOG4CXX_INFO(logger, m_user->getJID().toString() << ": Subscription received and buddy " << legacyName << " is already there => answering");
			switch (presence->getType()) {
				case Swift::Presence::Subscribe:
					onBuddyAdded(buddy);
					response->setType(Swift::Presence::Subscribed);
					break;
				case Swift::Presence::Unsubscribe:
					onBuddyRemoved(buddy);
					removeBuddy(buddy->getName());
					buddy = NULL;
					response->setType(Swift::Presence::Unsubscribed);
					break;
				case Swift::Presence::Subscribed:
					onBuddyAdded(buddy);
					break;
				default:
					return;
			}
			m_component->getFrontend()->sendPresence(response);
			
		}
		else {
			BuddyInfo buddyInfo;
			switch (presence->getType()) {
				// buddy is not in roster, so add him
				case Swift::Presence::Subscribe:
					buddyInfo.id = -1;
					buddyInfo.alias = "";
					buddyInfo.legacyName = legacyName;
					buddyInfo.subscription = "both";
					buddyInfo.flags = Buddy::buddyFlagsFromJID(presence->getTo());
					LOG4CXX_INFO(logger, m_user->getJID().toString() << ": Subscription received for new buddy " << buddyInfo.legacyName << " => adding to legacy network");

					buddy = m_component->getFactory()->createBuddy(this, buddyInfo);
					setBuddy(buddy);
					onBuddyAdded(buddy);
					response->setType(Swift::Presence::Subscribed);
					break;
				case Swift::Presence::Subscribed:
// 					onBuddyAdded(buddy);
					return;
				// buddy is not there, so nothing to do, just answer
				case Swift::Presence::Unsubscribe:
					buddyInfo.id = -1;
					buddyInfo.alias = "";
					buddyInfo.legacyName = legacyName;
					buddyInfo.subscription = "both";
					buddyInfo.flags = Buddy::buddyFlagsFromJID(presence->getTo());

					buddy = m_component->getFactory()->createBuddy(this, buddyInfo);
					onBuddyRemoved(buddy);
					delete buddy;
					response->setType(Swift::Presence::Unsubscribed);
					break;
				default:
					return;
			}
			m_component->getFrontend()->sendPresence(response);
		}
	}
	else {
		Swift::Presence::ref response = Swift::Presence::create();
		Swift::Presence::ref currentPresence;
		response->setTo(presence->getFrom().toBare());
		response->setFrom(presence->getTo().toBare());

		Buddy *buddy = getBuddy(legacyName);
		if (buddy) {
			std::vector<Swift::Presence::ref> &presences = buddy->generatePresenceStanzas(255);
			switch (presence->getType()) {
				// buddy is already there, so nothing to do, just answer
				case Swift::Presence::Subscribe:
					onBuddyAdded(buddy);
					response->setType(Swift::Presence::Subscribed);
					BOOST_FOREACH(Swift::Presence::ref &currentPresence, presences) {
						currentPresence->setTo(presence->getFrom());
						m_component->getFrontend()->sendPresence(currentPresence);
					}
					if (buddy->getSubscription() != Buddy::Both) {
						buddy->setSubscription(Buddy::Both);
						storeBuddy(buddy);
					}
					break;
				// remove buddy
				case Swift::Presence::Unsubscribe:
					response->setType(Swift::Presence::Unsubscribed);
//.........这里部分代码省略.........

bool UserRegistration::unregisterUser(const std::string &barejid) {
	UserInfo userInfo;
	bool registered = m_storageBackend->getUser(barejid, userInfo);
	// This user is not registered
	if (!registered)
		return false;

	onUserUnregistered(userInfo);

	Swift::Presence::ref response;

	User *user = m_userManager->getUser(barejid);

	// roster contains already escaped jids
	std::list <std::string> roster;
	m_storageBackend->getBuddies(userInfo.id, roster);

	for(std::list<std::string>::iterator u = roster.begin(); u != roster.end() ; u++){
		std::string name = *u;

		response = Swift::Presence::create();
		response->setTo(Swift::JID(barejid));
		response->setFrom(Swift::JID(name + "@" + m_component->getJID().toString()));
		response->setType(Swift::Presence::Unsubscribe);
		m_component->m_component->sendPresence(response);

		response = Swift::Presence::create();
		response->setTo(Swift::JID(barejid));
		response->setFrom(Swift::JID(name + "@" + m_component->getJID().toString()));
		response->setType(Swift::Presence::Unsubscribed);
		m_component->m_component->sendPresence(response);
	}

	// Remove user from database
	m_storageBackend->removeUser(userInfo.id);

	// Disconnect the user
	if (user) {
		m_userManager->removeUser(user);
	}

	response = Swift::Presence::create();
	response->setTo(Swift::JID(barejid));
	response->setFrom(m_component->getJID());
	response->setType(Swift::Presence::Unsubscribe);
	m_component->m_component->sendPresence(response);

	response = Swift::Presence::create();
	response->setTo(Swift::JID(barejid));
	response->setFrom(m_component->getJID());
	response->setType(Swift::Presence::Unsubscribed);
	m_component->m_component->sendPresence(response);

	return true;
}

Swift::Presence::ref Buddy::generatePresenceStanza(int features, bool only_new) {
	std::string alias = getAlias();
	std::string name = getSafeName();

	Swift::StatusShow s;
	std::string statusMessage;
	if (!getStatus(s, statusMessage))
		return Swift::Presence::ref();

	if (m_jid.getNode().empty()) {
		generateJID();
	}

	Swift::Presence::ref presence = Swift::Presence::create();
 	presence->setFrom(m_jid);
	presence->setTo(m_rosterManager->getUser()->getJID().toBare());
	presence->setType(Swift::Presence::Available);

	if (!statusMessage.empty())
		presence->setStatus(statusMessage);

	if (s.getType() == Swift::StatusShow::None)
		presence->setType(Swift::Presence::Unavailable);
	presence->setShow(s.getType());

	if (presence->getType() != Swift::Presence::Unavailable) {
		// caps
		
		presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::CapsInfo(m_rosterManager->getUser()->getComponent()->getBuddyCapsInfo())));

// 		if (features & 0/*TRANSPORT_FEATURE_AVATARS*/) {
			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Swift::VCardUpdate (getIconHash())));
// 		}
		if (isBlocked()) {
			presence->addPayload(boost::shared_ptr<Swift::Payload>(new Transport::BlockPayload ()));
		}
	}

// 	if (only_new) {
// 		if (m_lastPresence)
// 			m_lastPresence->setTo(Swift::JID(""));
// 		if (m_lastPresence == presence) {
// 			return Swift::Presence::ref();
// 		}
// 		m_lastPresence = presence;
// 	}

	return presence;
}