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 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);
}
}