private void OnCsFileTransferInterruption(CsFileTransferInterruption msg, ClientId id)
{
var sender = clients[id];
FileTransferSession ft = null;
if (msg.SessionId != FileTransferId.InvalidId)
{
ft = ftsContainer.GetSessionById(msg.SessionId);
}
else // client is sender and doesn't have sid yet
{
var senderSessions = ftsContainer.GetUserSessions(sender.Login);
if (senderSessions != null)
{
foreach (var sid in senderSessions)
{
var s = ftsContainer.GetSessionById(sid);
if (s.Token == msg.Token && s.Sender == sender.Login)
{
ft = s;
break;
}
}
}
if (ft == null)
{
Root.Log(LogLevel.Warning, "Server: ignoring file transfer interruption from client {0} " +
"- session not found", sender.Login);
return;
}
}
string oppUsername = sender.Login == ft.Sender ? ft.Receiver : ft.Sender;
SocketClientBase oppClient;
if (!nameToClient.TryGetValue(oppUsername, out oppClient))
{
Root.Log(LogLevel.Warning, "Server: client {0} attempted to send file transfer data " +
"to disconnected client {1}", ft.Sender, ft.Receiver);
// XXX: suspend session (cl is offline)
return;
}
msg.SessionId = ft.Id;
switch (msg.Int)
{
case FileTransferInterruption.Cancel:
default:
ft.State = FileTransferState.Cancelled;
ftsContainer.DeleteSession(ft.Id);
break;
}
if (!SendTo(oppClient.Id, msg))
{
// XXX: suspend file transfer session
}
}
public FileTransferSession CreateSession(ulong token, string sender, string receiver,
byte[] hash, long size)
{
var id = new FileTransferId(++lastSid);
var ft = new FileTransferSession(id, token, sender, receiver, hash, size);
idToSession.Add(id, ft);
HashSet <FileTransferId> senderIds, receiverIds;
if (!nameToId.TryGetValue(sender, out senderIds))
{
senderIds = new HashSet <FileTransferId>();
nameToId.Add(sender, senderIds);
}
senderIds.Add(id);
if (!nameToId.TryGetValue(receiver, out receiverIds))
{
receiverIds = new HashSet <FileTransferId>();
nameToId.Add(receiver, receiverIds);
}
receiverIds.Add(id);
return(ft);
}