/// <summary>
/// Responds with a part of the result set of a query made via the
/// <see cref="ProtocolConstants.Query"/> Query.
/// </summary>
/// <param name="dispatchId">The number we need to respond with.</param>
/// <param name="command"></param>
/// <returns></returns>
private byte[] ResultSection(int dispatchId, byte[] command)
{
int resultId = ByteBuffer.ReadInt4(command, 8);
int rowNumber = ByteBuffer.ReadInt4(command, 12);
int rowCount = ByteBuffer.ReadInt4(command, 16);
try {
// Get the result part...
ResultPart block = dbInterface.GetResultPart(resultId, rowNumber, rowCount);
MemoryStream output = new MemoryStream();
BinaryWriter writer = new BinaryWriter(output, Encoding.Unicode);
writer.Write(dispatchId);
writer.Write(ProtocolConstants.Success);
// Send the contents of the result set.
// HACK - Work out column count by dividing number of entries in block
// by number of rows.
int colCount = block.Count / rowCount;
writer.Write(colCount);
int bsize = block.Count;
for (int index = 0; index < bsize; ++index)
{
ObjectTransfer.WriteTo(writer, block[index]);
}
writer.Flush();
return(output.ToArray());
} catch (DataException e) {
return(Exception(dispatchId, e));
}
}
protected virtual void OnWinkDefinitionReceived(object sender, WinkEventArgs e)
{
if (!autoRequestObjects)
{
return;
}
MSNObject existing = MSNObjectCatalog.GetInstance().Get(e.Wink.CalculateChecksum());
if (existing == null)
{
// create a session and send the invitation
ObjectTransfer winkTransfer = nsMessageHandler.P2PHandler.RequestMsnObject(e.Sender, e.Wink);
winkTransfer.TransferAborted += (winkTransfer_TransferAborted);
winkTransfer.TransferFinished += (winkTransfer_TransferFinished);
MSNObjectCatalog.GetInstance().Add(e.Wink);
if (WinkDefinitionReceived != null)
{
WinkDefinitionReceived(this, e);
}
}
else
{
if (WinkDefinitionReceived != null)
{
WinkDefinitionReceived(this, new WinkEventArgs(e.Sender, existing as Wink, e.RoutingInfo));
}
//If exists, fire the event.
OnWinkReceived(this, new WinkEventArgs(e.Sender, existing as Wink, e.RoutingInfo));
}
}
public ObjectTransfer RequestMsnObject(Contact remoteContact, MSNObject msnObject)
{
ObjectTransfer objectTransferApp = new ObjectTransfer(msnObject, remoteContact);
AddTransfer(objectTransferApp);
return(objectTransferApp);
}
private void winkTransfer_TransferAborted(object objectTransfer, ContactEventArgs e)
{
ObjectTransfer session = objectTransfer as ObjectTransfer;
session.TransferAborted -= (winkTransfer_TransferAborted);
Trace.WriteLineIf(Settings.TraceSwitch.TraceInfo, "Wink aborted", GetType().Name);
}
private void winkTransfer_TransferFinished(object objectTransfer, EventArgs e)
{
ObjectTransfer session = objectTransfer as ObjectTransfer;
session.TransferFinished -= (winkTransfer_TransferFinished);
Trace.WriteLineIf(Settings.TraceSwitch.TraceInfo, "Wink received", GetType().Name);
OnWinkReceived(this, new WinkEventArgs(session.Remote, session.Object as Wink, null));
}
private void emoticonTransfer_TransferFinished(object objectTransfer, EventArgs e)
{
ObjectTransfer session = objectTransfer as ObjectTransfer;
session.TransferFinished -= (emoticonTransfer_TransferFinished);
Trace.WriteLineIf(Settings.TraceSwitch.TraceInfo, "Emoticon received", GetType().Name);
Emoticon emoticon = session.Object as Emoticon;
emoticon.DataReady = true;
OnEmoticonReceived(this, new EmoticonArrivedEventArgs(session.Remote, emoticon, null, null));
}
protected virtual void OnEmoticonDefinitionReceived(object sender, EmoticonDefinitionEventArgs e)
{
if (!autoRequestObjects)
{
return;
}
MSNObject existing = MSNObjectCatalog.GetInstance().Get(e.Emoticon.CalculateChecksum());
if (existing == null)
{
e.Sender.Emoticons[e.Emoticon.Sha] = e.Emoticon;
// create a session and send the invitation
ObjectTransfer emoticonTransfer = nsMessageHandler.P2PHandler.RequestMsnObject(e.Sender, e.Emoticon);
emoticonTransfer.TransferAborted += (emoticonTransfer_TransferAborted);
emoticonTransfer.TransferFinished += (emoticonTransfer_TransferFinished);
MSNObjectCatalog.GetInstance().Add(e.Emoticon);
if (EmoticonDefinitionReceived != null)
{
EmoticonDefinitionReceived(this, e);
}
}
else
{
if (EmoticonDefinitionReceived != null)
{
EmoticonDefinitionReceived(this, e);
}
Emoticon existingEmoticon = existing as Emoticon;
//If exists and data were ready, fire the event.
if (existingEmoticon.DataReady)
{
OnEmoticonReceived(this, new EmoticonArrivedEventArgs(e.Sender, existingEmoticon, null, e.RoutingInfo));
}
else
{
Trace.WriteLineIf(Settings.TraceSwitch.TraceWarning,
"An emoticon definition has been received, but the emoticon data were not yet completed.");
}
}
}
