/**
* Transfer one bundle to another node.
* @param destination The EID of the other node.
* @param id The ID of the bundle to transfer. This bundle must be stored in the storage.
*/
void RoutingExtension::transferTo(const dtn::data::EID &destination, const dtn::data::MetaBundle &meta)
{
// acquire the transfer of this bundle, could throw already in transit or no resource left exception
{
// lock the list of neighbors
ibrcommon::MutexLock l((**this).getNeighborDB());
// get the neighbor entry for the next hop
NeighborDatabase::NeighborEntry &entry = (**this).getNeighborDB().get(destination, true);
// acquire the transfer, could throw already in transit or no resource left exception
entry.acquireTransfer(meta);
}
try {
// create a new bundle transfer object
dtn::net::BundleTransfer transfer(destination, meta);
// transfer the bundle to the next hop
dtn::core::BundleCore::getInstance().getConnectionManager().queue(transfer);
IBRCOMMON_LOGGER_DEBUG_TAG(RoutingExtension::TAG, 20) << "bundle " << meta.toString() << " queued for " << destination.getString() << IBRCOMMON_LOGGER_ENDL;
} catch (const dtn::core::P2PDialupException&) {
// lock the list of neighbors
ibrcommon::MutexLock l((**this).getNeighborDB());
// get the neighbor entry for the next hop
NeighborDatabase::NeighborEntry &entry = (**this).getNeighborDB().get(destination);
// release the transfer
entry.releaseTransfer(meta);
// and abort the query
throw NeighborDatabase::NeighborNotAvailableException();
} catch (const ibrcommon::Exception &e) {
// ignore any other error
}
}
void NativeSession::receive() throw (NativeSessionException)
{
Registration ® = _registration;
try {
try {
const dtn::data::MetaBundle id = reg.receiveMetaBundle();
if (id.procflags & dtn::data::PrimaryBlock::APPDATA_IS_ADMRECORD) {
// transform custody signals & status reports into notifies
fireNotificationAdministrativeRecord(id);
// announce the delivery of this bundle
reg.delivered(id);
} else {
IBRCOMMON_LOGGER_DEBUG_TAG(NativeSession::TAG, 20) << "fire notification for new bundle " << id.toString() << IBRCOMMON_LOGGER_ENDL;
// put the bundle into the API queue
_bundle_queue.push(id);
// notify the client about the new bundle
fireNotificationBundle(id);
}
} catch (const dtn::storage::NoBundleFoundException&) {
IBRCOMMON_LOGGER_DEBUG_TAG(NativeSession::TAG, 25) << "no more bundles found - wait until we are notified" << IBRCOMMON_LOGGER_ENDL;
reg.wait_for_bundle();
}
} catch (const ibrcommon::QueueUnblockedException &ex) {
throw NativeSessionException(std::string("loop aborted - ") + ex.what());
} catch (const std::exception &ex) {
throw NativeSessionException(std::string("loop aborted - ") + ex.what());
}
}
void Registration::RegistrationQueue::put(const dtn::data::MetaBundle &bundle) throw ()
{
try {
_queue.push(bundle);
ibrcommon::MutexLock l(_lock);
_recv_bundles.add(bundle);
IBRCOMMON_LOGGER_DEBUG_TAG(Registration::TAG, 10) << "[RegistrationQueue] add bundle to list of delivered bundles: " << bundle.toString() << IBRCOMMON_LOGGER_ENDL;
} catch (const ibrcommon::Exception&) { }
}
virtual bool shouldAdd(const dtn::data::MetaBundle &meta) const throw (dtn::storage::BundleSelectorException)
{
// filter fragments if requested
if (meta.isFragment() && _fragment_filter)
{
return false;
}
if (_endpoints.find(meta.destination) == _endpoints.end())
{
return false;
}
// filter own bundles
if (!_loopback)
{
if (_endpoints.find(meta.source) != _endpoints.end())
{
return false;
}
}
IBRCOMMON_LOGGER_DEBUG_TAG(Registration::TAG, 30) << "search bundle in the list of delivered bundles: " << meta.toString() << IBRCOMMON_LOGGER_ENDL;
if (_queue.has(meta))
{
return false;
}
return true;
};
