private static void ProcessPacket(Socket clientSocket, PacketType PacketType, Stream stream)
{
switch (PacketType)
{
case PacketType.Message:
{
NetworkPackets.Packet.Message msg = NetworkPackets.Packet.Message.Deserialize<NetworkPackets.Packet.Message>(stream, true);
if (msg != null)
{
lock (_clientSocketDictionary)
{
msg.SenderID = _clientSocketDictionary[clientSocket];
if (_clientSocketDictionary.ContainsValue(msg.RecipientID))
{
Socket recipientSocket = _clientSocketDictionary.FirstOrDefault(s => s.Value == msg.RecipientID).Key;
if (recipientSocket != null)
{
Send(recipientSocket, msg.CreateTransferablePacket());
}
else
{
lock (_unsentMessages) { _unsentMessages.Add(msg); }
}
}
else
{
lock (_unsentMessages) { _unsentMessages.Add(msg); }
}
}
}
else
{
Console.WriteLine("Message deserialization failure!");
}
}
break;
case PacketType.AuthenticationRequest:
{
AuthenticationRequest authentication = AuthenticationRequest.Deserialize<AuthenticationRequest>(stream, true);
if (authentication != null)
{
AuthenticationResponse ar = UserDAO.Authenticate(authentication.Login, authentication.Password);
if (ar.HasError == false)
{
ContactIsOnline contactIsOnline = new ContactIsOnline();
contactIsOnline.ContactID = ar.Profile.Id;
byte[] byteArr = contactIsOnline.CreateTransferablePacket();
Socket recipientSocket = null;
lock (_clientSocketDictionary)
{
_clientSocketDictionary[clientSocket] = ar.Profile.Id;
ar.ContactList.ForEach((i) =>
{
if (_clientSocketDictionary.ContainsValue(i.Id))
{
i.IsOnline = true;
recipientSocket = _clientSocketDictionary.FirstOrDefault(s => s.Value == i.Id).Key;
if (recipientSocket != null)
{
Task.Factory.StartNew(() =>
{
Send(recipientSocket, byteArr);
});
}
}
});
}
int clientID = ar.Profile.Id;
try
{
ar.UnreceivedMessages = new List<NetworkPackets.Packet.Message>();
foreach (NetworkPackets.Packet.Message msg in _unsentMessages)
{
if (msg.RecipientID == clientID)
ar.UnreceivedMessages.Add(msg);
//Send(clientSocket, PacketHelper.Serialize(PacketType.Message, msg));
}
Send(clientSocket, ar.CreateTransferablePacket());
lock (_unsentMessages)
{
_unsentMessages.RemoveAll((i) =>
{
return i.RecipientID == clientID ? true : false;
});
}
Console.WriteLine("Authenticated! " + ar.Profile.Id.ToString());
}
catch
{
Console.WriteLine("Authentication failure!");
}
}
else
{
Send(clientSocket, ar.CreateTransferablePacket());
Console.WriteLine("Invalid password or login!");
}
}
else
{
Console.WriteLine("Authentication deserialization failure!");
}
}
break;
case PacketType.RegistrationRequest:
{
RegistrationRequest registrationRequest = Packet.Deserialize<RegistrationRequest>(stream, true);
if (registrationRequest != null)
{
string newImgName = null;
if (registrationRequest.ImageBytes != null)
{
newImgName = Path.GetRandomFileName();
File.WriteAllBytes(UserDAO.ImagePath + newImgName, registrationRequest.ImageBytes);
}
RegistrationResponse registrationResponse = UserDAO.Register(registrationRequest.Login, registrationRequest.Password, registrationRequest.Email, newImgName);
byte[] bytyData = registrationResponse.CreateTransferablePacket();
Send(clientSocket, bytyData);
}
else
{
Console.WriteLine("Registration request deserialization failure!");
}
}
break;
case PacketType.SearchRequest:
{
SearchRequest searchRequest = Packet.Deserialize<SearchRequest>(stream, true);
if (searchRequest != null)
{
SearchResponse searchResponse = UserDAO.GetContactListBySearchStr(searchRequest.SearchStr);
int requesterID = _clientSocketDictionary[clientSocket];
byte[] byteData = null;
searchResponse.ContactList.Remove(new NetworkPackets.Model.User() { Id = requesterID }); // Removing requester from search result
byteData = searchResponse.CreateTransferablePacket();
Send(clientSocket, byteData);
}
else
{
Console.WriteLine("Search request deserialization failure!");
}
}
break;
case PacketType.ContactRequest:
{
ContactRequest contactRequest = Packet.Deserialize<ContactRequest>(stream, true);
if (contactRequest != null)
{
Console.WriteLine("Server: contact request received!");
int clientID = 0;
lock(_clientSocketDictionary)
{
clientID = _clientSocketDictionary[clientSocket];
}
NetworkPackets.Model.User contact = UserDAO.GetContactByUserID(clientID);
if (contact != null)
{
ContactResponse contactResponse = new ContactResponse();
contactResponse.Contact = contact;
if (_clientSocketDictionary.ContainsValue(contactRequest.ContactID))
{
Socket recipientSocket = null;
lock (_clientSocketDictionary)
{
recipientSocket = _clientSocketDictionary.FirstOrDefault(s => s.Value == contactRequest.ContactID).Key;
}
if (recipientSocket != null)
{
Send(recipientSocket, contactResponse.CreateTransferablePacket());
}
}
}
else
{
Console.WriteLine("Invalid UserID!");
}
}
else
{
Console.WriteLine("Contact request deserialization failure!");
}
}
break;
case PacketType.AddingContact:
{
AddingContact addingContact = Packet.Deserialize<AddingContact>(stream, true);
if (addingContact != null)
{
Console.WriteLine("Adding friend!");
int clientID = 0;
lock (_clientSocketDictionary)
{
clientID = _clientSocketDictionary[clientSocket];
}
if (UserDAO.AddContact(clientID, addingContact.ContactID) && UserDAO.AddContact(addingContact.ContactID, clientID))
{
NetworkPackets.Model.User contact = UserDAO.GetContactByUserID(clientID);
if (contact != null)
{
NewContact newContact = new NewContact();
newContact.Contact = contact;
if (_clientSocketDictionary.ContainsValue(addingContact.ContactID))
{
Socket recipientSocket = null;
lock (_clientSocketDictionary)
{
recipientSocket = _clientSocketDictionary.FirstOrDefault(s => s.Value == addingContact.ContactID).Key;
}
if (recipientSocket != null)
{
Send(recipientSocket, newContact.CreateTransferablePacket());
}
}
}
else
{
Console.WriteLine("Invalid UserID!");
}
}
}
else
{
Console.WriteLine("Contact request deserialization failure!");
}
}
break;
case PacketType.RemovingContactRequest:
{
RemovingContactRequest removingContactRequest = Packet.Deserialize<RemovingContactRequest>(stream, true);
if (removingContactRequest != null)
{
Console.WriteLine("Removing contact!");
lock (_clientSocketDictionary)
{
removingContactRequest.SenderID = _clientSocketDictionary[clientSocket];
}
if (UserDAO.RemoveContactPair(removingContactRequest.SenderID, removingContactRequest.ContactID))
{
if (_clientSocketDictionary.ContainsValue(removingContactRequest.ContactID))
{
Socket recipientSocket = null;
lock (_clientSocketDictionary)
{
recipientSocket = _clientSocketDictionary.FirstOrDefault(s => s.Value == removingContactRequest.ContactID).Key;
}
if (recipientSocket != null)
{
RemovingContactResponse removingContactResponse = new RemovingContactResponse();
removingContactResponse.ContactID = removingContactRequest.SenderID;
Send(recipientSocket, removingContactResponse.CreateTransferablePacket());
}
}
}
}
else
{
Console.WriteLine("Contact request deserialization failure!");
}
}
break;
}
}
public void ProcessContactResponse(ContactResponse contactResponse)
{
Contact tempContact = new Contact
{
Id = contactResponse.Contact.Id,
Login = contactResponse.Contact.Login,
Email = contactResponse.Contact.Email,
AvatarBytes = (contactResponse.Contact.ImageBytes == null ? App.GetDefaultAvatar() : contactResponse.Contact.ImageBytes)
};
if (!Contacts.Contains(tempContact))
Contacts.Add(tempContact);
}
public void ProcessContactResponse(ContactResponse contactResponse)
{
RecentSectionViewModel.ProcessContactResponse(contactResponse);
}