public void ProcessOfflineContact(ContactIsOffline contactIsOffline)
{
ContactSectionViewModel.ProcessOfflineContact(contactIsOffline);
}
private static void StartReceiving(Socket clientSocket)
{
MemoryStream stream = new MemoryStream();
const int BufferSize = 8192;
byte[] buffer = new byte[BufferSize];
bool newPacket = true;
int receivedBytes = 0;
int unreceivedBytes = 0;
PacketType PacketType = PacketType.None;
try
{
while (true)
{
if (newPacket)
{
receivedBytes = clientSocket.Receive(buffer, BufferSize, SocketFlags.None);
PacketType = (PacketType)BitConverter.ToInt32(buffer, 0);
unreceivedBytes = BitConverter.ToInt32(buffer, 4);
receivedBytes -= 8;
unreceivedBytes -= receivedBytes;
stream.Position = 0;
stream.Write(buffer, 8, receivedBytes);
newPacket = false;
}
else
{
receivedBytes = clientSocket.Receive(buffer, BufferSize, SocketFlags.None);
unreceivedBytes -= receivedBytes;
stream.Write(buffer, 0, receivedBytes);
}
if (unreceivedBytes == 0) // all fragments received
{
Task.Factory.StartNew(() =>
{
ProcessPacket(clientSocket, PacketType, new MemoryStream(stream.ToArray()));
});
newPacket = true;
}
}
}
catch (Exception e)
{
int clientID = _clientSocketDictionary[clientSocket];
List<int> contactIdList = UserDAO.GetContacIDListByUserID(clientID);
lock (_clientSocketDictionary){_clientSocketDictionary.Remove(clientSocket);}
Socket recipientSocket = null;
ContactIsOffline contactIsOffline = new ContactIsOffline() { ContactID = clientID };
byte[] data = null;
contactIdList.ForEach((id)=>
{
if(_clientSocketDictionary.ContainsValue(id))
{
lock (_clientSocketDictionary)
{
recipientSocket = _clientSocketDictionary.FirstOrDefault(s => s.Value == id).Key;
}
if (recipientSocket != null)
{
data = contactIsOffline.CreateTransferablePacket();
Task.Factory.StartNew(() =>
{
Send(recipientSocket, data);
});
}
}
});
stream.Close();
Console.WriteLine(e.ToString());
}
}
public void ProcessOfflineContact(ContactIsOffline contactIsOffline)
{
_contactsLoaded.WaitOne();
lock (_lock)
{
Contact senderContact = Contacts.FirstOrDefault((contact) =>
{
return contact.Id == contactIsOffline.ContactID;
});
if (senderContact != null)
{
senderContact.StatusLogoBytes = App.GetStatusLogo(false);
}
}
}
