/// <summary>
/// Gets the first data item of the given name and possibly gets the
/// indicated pieces from DHT.
/// </summary>
/// <param name="getPieces">Whether to get pieces if the data at the
/// specified DHT name is a FragmentationInfo</param>
public DhtGetResult GetOneDatum(byte[] key, bool getPieces,
OneDatumMode mode)
{
DhtGetResult[] results = _dht.Get(key);
DhtGetResult ret;
if (results.Length == 0)
{
ret = null;
}
else
{
DhtGetResult dgr;
if (mode == OneDatumMode.FirstOne)
{
dgr = results[0];
}
else if (mode == OneDatumMode.LastOne)
{
dgr = results[results.Length - 1];
}
else
{
throw new NotImplementedException(
"This OneDatumMode not implemented.");
}
DictionaryData dd = null;
try {
dd = DictionaryData.CreateDictionaryData(dgr.value);
} catch (Exception ex) {
// Not an error in this case. Log with verbose level.
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
ex);
}
if (dd != null && dd is FragmentationInfo)
{
FragmentationInfo frag_info = dd as FragmentationInfo;
BrunetDhtEntry bde = null;
try {
bde = GetFragments(frag_info) as BrunetDhtEntry;
RegularData rd = (RegularData)DictionaryData.CreateDictionaryData(
bde.Value);
//Only 1 entry (if any) in this array
ret = new DhtGetResult(rd.PayLoad, bde.Age, bde.Ttl);
} catch (Exception ex) {
Logger.WriteLineIf(LogLevel.Error, _log_props, string.Format("Can't get fragments."), ex);
ret = null;
}
}
else
{
ret = dgr;
}
}
return(ret);
}
/// <summary>
/// Gets the first data item of the given name and possibly gets the
/// indicated pieces from DHT.
/// </summary>
/// <param name="getPieces">Whether to get pieces if the data at the
/// specified DHT name is a FragmentationInfo</param>
public DhtGetResult GetOneDatum(byte[] key, bool getPieces,
OneDatumMode mode)
{
DhtGetResult[] results = _dht.Get(key);
DhtGetResult ret;
if (results.Length == 0) {
ret = null;
} else {
DhtGetResult dgr;
if (mode == OneDatumMode.FirstOne) {
dgr = results[0];
} else if (mode == OneDatumMode.LastOne) {
dgr = results[results.Length - 1];
} else {
throw new NotImplementedException(
"This OneDatumMode not implemented.");
}
DictionaryData dd = null;
try {
dd = DictionaryData.CreateDictionaryData(dgr.value);
} catch (Exception ex) {
// Not an error in this case. Log with verbose level.
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
ex);
}
if (dd != null && dd is FragmentationInfo) {
FragmentationInfo frag_info = dd as FragmentationInfo;
BrunetDhtEntry bde = null;
try {
bde = GetFragments(frag_info) as BrunetDhtEntry;
RegularData rd = (RegularData)DictionaryData.CreateDictionaryData(
bde.Value);
//Only 1 entry (if any) in this array
ret = new DhtGetResult(rd.PayLoad, bde.Age, bde.Ttl);
} catch (Exception ex) {
Logger.WriteLineIf(LogLevel.Error, _log_props, string.Format("Can't get fragments."), ex);
ret = null;
}
} else {
ret = dgr;
}
}
return ret;
}
