bool SQLiteBundleSet::has(const dtn::data::BundleID &id) const throw ()
{
// check bloom-filter first
if (!id.isIn(_bf)) return false;
// Return true if the bloom-filter is not consistent with
// the bundles set. This happen if the MemoryBundleSet gets deserialized.
if (!_consistent) return true;
try {
SQLiteDatabase::Statement st( const_cast<sqlite3*>(_sqldb._database), SQLiteDatabase::_sql_queries[SQLiteDatabase::BUNDLE_SET_GET]);
sqlite3_bind_int64(*st, 1, _set_id);
sqlite3_bind_text(*st, 2, id.source.getString().c_str(), static_cast<int>(id.source.getString().length()), SQLITE_TRANSIENT);
sqlite3_bind_int64(*st, 3, id.timestamp.get<uint64_t>());
sqlite3_bind_int64(*st, 4, id.sequencenumber.get<uint64_t>());
if (id.isFragment()) {
sqlite3_bind_int64(*st, 5, id.fragmentoffset.get<uint64_t>());
sqlite3_bind_int64(*st, 6, id.getPayloadLength());
} else {
sqlite3_bind_int64(*st, 5, -1);
sqlite3_bind_int64(*st, 6, -1);
}
if (st.step() == SQLITE_ROW)
return true;
} catch (const SQLiteDatabase::SQLiteQueryException&) {
// error
}
return false;
}
void NeighborDatabase::NeighborEntry::releaseTransfer(const dtn::data::BundleID &id)
{
ibrcommon::MutexLock l(_transit_lock);
_transit_bundles.erase(id);
IBRCOMMON_LOGGER_DEBUG_TAG("NeighborDatabase", 20) << "release transfer of " << id.toString() << " (" << _transit_bundles.size() << " bundles in transit)" << IBRCOMMON_LOGGER_ENDL;
}
void SQLiteBundleSet::get_bundleid(SQLiteDatabase::Statement &st, dtn::data::BundleID &id, int offset) const throw (SQLiteDatabase::SQLiteQueryException)
{
id.source = dtn::data::EID((const char*)sqlite3_column_text(*st, offset + 0));
id.timestamp = sqlite3_column_int64(*st, offset + 1);
id.sequencenumber = sqlite3_column_int64(*st, offset + 2);
dtn::data::Number fragmentoffset = 0;
id.setFragment(sqlite3_column_int64(*st, offset + 2) >= 0);
if (id.isFragment()) {
id.fragmentoffset = sqlite3_column_int64(*st, offset + 3);
id.setPayloadLength(sqlite3_column_int64(*st, offset + 4));
} else {
id.fragmentoffset = 0;
id.setPayloadLength(0);
}
}
void NativeSession::delivered(const dtn::data::BundleID &id) const throw (BundleNotFoundException)
{
try {
// announce this bundle as delivered
const dtn::data::MetaBundle meta = dtn::core::BundleCore::getInstance().getStorage().info(id);
_registration.delivered(meta);
IBRCOMMON_LOGGER_DEBUG_TAG(NativeSession::TAG, 20) << "Bundle " << id.toString() << " marked as delivered" << IBRCOMMON_LOGGER_ENDL;
} catch (const ibrcommon::Exception&) {
throw BundleNotFoundException();
}
}
void NativeSession::next(RegisterIndex ri) throw (BundleNotFoundException)
{
try {
const dtn::data::BundleID id = _bundle_queue.getnpop();
IBRCOMMON_LOGGER_DEBUG_TAG(NativeSession::TAG, 20) << "Next bundle in queue is " << id.toString() << IBRCOMMON_LOGGER_ENDL;
load(ri, id);
} catch (const ibrcommon::QueueUnblockedException &ex) {
IBRCOMMON_LOGGER_DEBUG_TAG(NativeSession::TAG, 15) << "No next bundle available" << IBRCOMMON_LOGGER_ENDL;
throw BundleNotFoundException();
}
}
bool NeighborDatabase::NeighborEntry::has(const dtn::data::BundleID &id, const bool require_bloomfilter) const
{
if (_filter_state == FILTER_AVAILABLE)
{
if (_filter.contains(id.toString()))
return true;
}
else if (require_bloomfilter)
{
throw BloomfilterNotAvailableException(eid);
}
return _summary.has(id);
}
bool MemoryBundleSet::has(const dtn::data::BundleID &bundle) const throw ()
{
// check bloom-filter first
if (bundle.isIn(_bf)) {
// Return true if the bloom-filter is not consistent with
// the bundles set. This happen if the MemoryBundleSet gets deserialized.
if (!_consistent) return true;
bundle_set::iterator iter = _bundles.find(dtn::data::MetaBundle::create(bundle));
return (iter != _bundles.end());
}
return false;
}
void NativeSession::load(RegisterIndex ri, const dtn::data::BundleID &id) throw (BundleNotFoundException)
{
// load the bundle
try {
_bundle[ri] = dtn::core::BundleCore::getInstance().getStorage().get(id);
// process the bundle block (security, compression, ...)
dtn::core::BundleCore::processBlocks(_bundle[ri]);
IBRCOMMON_LOGGER_DEBUG_TAG(NativeSession::TAG, 20) << "Bundle " << id.toString() << " loaded" << IBRCOMMON_LOGGER_ENDL;
} catch (const ibrcommon::Exception &ex) {
IBRCOMMON_LOGGER_DEBUG_TAG(NativeSession::TAG, 15) << "Failed to load bundle " << id.toString() << ", Exception: " << ex.what() << IBRCOMMON_LOGGER_ENDL;
throw BundleNotFoundException();
}
}
void NeighborDatabase::NeighborEntry::acquireTransfer(const dtn::data::BundleID &id) throw (NoMoreTransfersAvailable, AlreadyInTransitException)
{
ibrcommon::MutexLock l(_transit_lock);
// check if enough resources available to transfer the bundle
if (_transit_bundles.size() >= dtn::core::BundleCore::max_bundles_in_transit) throw NoMoreTransfersAvailable();
// check if the bundle is already in transit
if (_transit_bundles.find(id) != _transit_bundles.end()) throw AlreadyInTransitException();
// insert the bundle into the transit list
_transit_bundles.insert(id);
IBRCOMMON_LOGGER_DEBUG_TAG("NeighborDatabase", 20) << "acquire transfer of " << id.toString() << " (" << _transit_bundles.size() << " bundles in transit)" << IBRCOMMON_LOGGER_ENDL;
}
