private void ClientLineReceived(object sender, LineReceivedEventArgs e)
{
// Print the client's message in the console just so we can se what's happening
Console.WriteLine("Message: " + e.Message);
// Check the message prefix to see what kind of message the client sent
if (e.Message.StartsWith("LOGGIN"))
{
string messageBuffer = e.Message.Substring("LOGGIN ".Length);
int pos = messageBuffer.IndexOf("/");
if(pos != -1)
{
string name = messageBuffer.Substring(0, pos);
string password = messageBuffer.Remove(0, pos+1);
Console.WriteLine("Name: \'" + name + "\' Password: \'password\'");
Database db = new Database(DB_SERVER, DB_DATABASE, DB_USERNAME, DB_PASSWORD);
if(db.testNameAndPassword(name, password, e.Client))
{
SetUserOnlineStatus('A', e.Client);
e.Client.Send("LOGGIN TRUE " + e.Client.DisplayName + "\r" + e.Client.Id);
Console.WriteLine("Loggin TRUE");
}
else
{
e.Client.Send("LOGGIN FALSE");
Console.WriteLine("Loggin FALSE");
}
db.close();
}
else
{
e.Client.Send("LOGGIN FALSE");
Console.WriteLine("LOGGIN ERROR");
}
}
else if (e.Message.StartsWith("GETUSERLIST"))
{
Database db = new Database(DB_SERVER, DB_DATABASE, DB_USERNAME, DB_PASSWORD);
string [] contactIds = (string []) db.getDGPContacts(e.Client.Id).ToArray(typeof(string));
string message = "USERLIST ";
for( int i = 0; i < contactIds.Length; i++)
{
if(i != 0)
{
message += "\n";
}
message += contactIds[i].ToString();
message += "\n";
message += db.getDisplayName(contactIds[i].ToString());
message += "\n";
message += db.getUserOnlineStatus(contactIds[i]);
}
e.Client.Send(message);
db.close();
}
else if (e.Message.StartsWith("LOST") || e.Message.StartsWith("QUIT"))
{
SetUserOnlineStatus('Z', e.Client);
e.Client.Close();
clientList.Remove(e.Client);
Console.WriteLine("Client Removed: " + e.Client.DisplayName);
Console.WriteLine("Clients Left: " + clientList.Count);
UpdateDGPContactsUserList(e.Client);
}
else if (e.Message.StartsWith("MSG"))
{
string messageBuffer = e.Message.Substring("MSG ".Length);
int endMessageIndex = messageBuffer.IndexOf(" END_MESSAGE\r", 0, messageBuffer.Length);
string message = messageBuffer.Substring(0, endMessageIndex);
messageBuffer = messageBuffer.Remove(0, endMessageIndex + " END_MESSAGE\r".Length);
string [] messageBuffers = messageBuffer.Split('\r');
string contactId = messageBuffers[0].Trim();
if(SendMessageToClient(e.Message, contactId) == false)
{ // If not delivered
// Return the message
SendMessageToClient("MSG UNDELIVERED " + e.Message.Substring("MSG ".Length), e.Client.Id);
}
}
else if(e.Message.StartsWith("UPDATENAME"))
{
string messageBuffer = string.Copy(e.Message.Substring("UPDATENAME ".Length));
Database db = new Database(DB_SERVER, DB_DATABASE, DB_USERNAME, DB_PASSWORD);
db.setUserDisplayName(e.Client.Id.ToString(), messageBuffer);
e.Client.DisplayName = string.Copy(messageBuffer);
db.close();
UpdateDGPContactsUserList(e.Client);
}
else if(e.Message.StartsWith("UPDATE_FRIEND_USERLISTS"))
{
UpdateDGPContactsUserList(e.Client);
}
else if(e.Message.StartsWith("UPDATE_ONLINE_STATUS "))
{
string stringBuffer = e.Message.Substring("UPDATE_ONLINE_STATUS ".Length).Trim();
char onlineStatus = stringBuffer[0];
SetUserOnlineStatus(onlineStatus, e.Client);
UpdateDGPContactsUserList(e.Client);
}
else if(e.Message.StartsWith("SEND_FILE_TO"))
{
string id = e.Message.Substring("SEND_FILE_TO".Length).Trim();
string clientIp = GetClientIp(id);
if(clientIp != "")
{
SendMessageToClient("PREPARE_RECIVE_FILE " + e.Client.Id + '\r' + fileTransferId, id);
SendMessageToClient("SEND_FILE_TO_IP " + clientIp + '\r' + id + '\r' + fileTransferId, e.Client.Id);
fileTransferId++;
}
else
{
SendMessageToClient("SEND_FILE_TO_IP_ERROR " + '\r' + id, e.Client.Id);
}
/*if(SendMessageToClient(e.Message, id) != true)
{
SendMessageToClient("MSG UNDELIVERED Kunde inte skicka inbjudan om fildelning", e.Client.Id);
}*/
}
else if(e.Message.StartsWith("SEND_FILE_VIA_SERVER"))
{
string [] stringBuffer = e.Message.Substring("SEND_FILE_VIA_SERVER".Length).Trim().Split('\r');
string id = stringBuffer[0];
string fileTransid = stringBuffer[1];
SendMessageToClient("RECIVEFILE_VIA_SERVER" + e.Client.Id + '\r' + fileTransid, id);
}
}
private int StartServer()
{
Console.WriteLine("_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _");
Console.WriteLine("_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ DGP Messenger Server -_-_-_-_-_-_-_-_-_-_-_-_-_-_");
Console.WriteLine("_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_");
Console.WriteLine("_-_-_-_-_-_-_-_-_-_-_- By: Sehr & the DGP Team Sweden _-_-_-_-_-_-_-_-_-_-_-_-_");
Console.WriteLine("_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_");
Console.WriteLine("_-_-_-_-_ Type \'exit\' and then press enter to end this application -_-_-_-_-_-_");
Console.WriteLine("_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_");
Console.WriteLine("");
try
{
serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint localEP = new IPEndPoint(IPAddress.Any, PORT);
serverSocket.Bind(localEP);
serverSocket.Listen(10);
serverSocket.BeginAccept(new AsyncCallback(ConnectionRecived), serverSocket);
viaSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint viaLocalEP = new IPEndPoint(IPAddress.Any, VIAPORT);
viaSocket.Bind(viaLocalEP);
viaSocket.Listen(100);
viaSocket.BeginAccept(new AsyncCallback(ViaConnectionRecived), viaSocket);
Console.WriteLine("Listening for clients to connect on ip: " + serverSocket.LocalEndPoint.ToString());
}
catch(Exception)
{
Console.WriteLine("Failed to set upp Socket");
return 0;
}
Database db = new Database(DB_SERVER, DB_DATABASE, DB_USERNAME, DB_PASSWORD);
db.cleanOnlineStatus();
db.close();
return 1;
}
private void UpdateDGPContactsUserList(Client user)
{
Database db = new Database(DB_SERVER, DB_DATABASE, DB_USERNAME, DB_PASSWORD);
string [] contactIds = (string []) db.getDGPContacts(user.Id).ToArray(typeof(string));
for( int i = 0; i < contactIds.Length; i++)
{
foreach(Client client in clientList)
{
if(client.Id == contactIds[i])
{
string message = "UPDATE_FRIEND " + user.Id + '\n' +
user.DisplayName + '\n' + user.Status;
client.Send(message);
}
}
}
db.close();
}
private void SetUserOnlineStatus(char status, Client client)
{
client.Status = status;
Database db = new Database(DB_SERVER, DB_DATABASE, DB_USERNAME, DB_PASSWORD);
db.setUserOnlineStatus(status, client.Id);
db.close();
}