public static async void InitializeDatabase(string filename)
{
Database.filename = filename;
try
{
using (SqliteConnection db = new SqliteConnection("Filename=" + filename))
{
await db.OpenAsync();
string tableCommand = "CREATE TABLE IF NOT " +
"EXISTS penguins (ID INTEGER PRIMARY KEY AUTOINCREMENT, " +
"Username VARCHAR(24) NULL, " +
"Password BINARY(60) NULL, " +
"Randkey VARCHAR(48) NULL)";
SqliteCommand createTable = new SqliteCommand(tableCommand, db);
await createTable.ExecuteNonQueryAsync();
}
} catch (SqliteException ex)
{
await MServer.LogMessage("WARN", "Database", "Database encountered the following error while establishing a connection: " + ex);
Debug.WriteLine(ex);
}
}
protected virtual async void StreamSocketListener_ConnectionReceived(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
{
Debug.WriteLine("Accepting penguin");
Penguin penguin = new Penguin(this, args.Socket);
await MServer.LogMessage("INFO", server_name, "Accepting new penguin");
await AddPenguin(penguin);
using (var stream = args.Socket.InputStream.AsStreamForRead())
{
while (penguins.ContainsKey(args.Socket))
{
byte[] data = new byte[256];
int numBytesRead = await stream.ReadAsync(data, 0, data.Length);
if (numBytesRead == 0)
{
await RemovePenguin(penguin);
return;
}
String message = Encoding.UTF8.GetString(data).Substring(0, numBytesRead);
Stack <string> packets = new Stack <string>(message.Split('\0'));
packets.Pop();
foreach (string packet in packets)
{
Debug.WriteLine("[RECV] " + packet);
await HandlePacket(penguin, packet);
}
}
}
}
public async void StartServer()
{
try
{
listener = new StreamSocketListener();
listener.ConnectionReceived += StreamSocketListener_ConnectionReceived;
await listener.BindServiceNameAsync(port);
await MServer.LogMessage("FINE", server_name, "Server is running on port " + port + " (allow this port in firewall)");
}
catch (Exception ex)
{
SocketErrorStatus webErrorStatus = SocketError.GetStatus(ex.GetBaseException().HResult);
await MServer.LogMessage("FATAL", server_name, "Server failed to start. Ensure that another service is not running on port " + port + ".");
Debug.WriteLine(server_name + " failed to start.");
if (MServer.IsStarted())
{
await MServer.StopServers();
}
}
await LoopServer();
}
public async Task Send(string message)
{
Debug.WriteLine("[SENT] " + message);
await MServer.LogMessage("INFO", parent.server_name, "Sent: " + message);
message = message + "\0";
byte[] data = Encoding.UTF8.GetBytes(message);
await socket.OutputStream.WriteAsync(data.AsBuffer());
}
protected override async Task RemovePenguin(Penguin penguin)
{
if (penguins.ContainsKey(penguin.socket))
{
await MServer.LogMessage("INFO", server_name, "Removing penguin");
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
Debug.WriteLine("Removing penguin");
penguins.Remove(penguin.socket);
MServer.penguins.Remove(penguin);
latestPackets.Remove(penguin);
});
}
}
private async Task HandlePacket(Penguin penguin, string packet)
{
await MServer.LogMessage("INFO", server_name, "Received: " + packet);
string start = packet.Substring(0, 1);
switch (start)
{
case "<":
await StoreXmlPacket(penguin, packet);
break;
case "%":
// await StorePlayPacket(penguin, packet);
break;
}
return;
}
public async Task StopServer()
{
List <Penguin> penguinsToRemove = new List <Penguin>();
foreach (KeyValuePair <StreamSocket, Penguin> penguin in penguins)
{
penguinsToRemove.Add(penguin.Value);
}
foreach (Penguin penguin in penguinsToRemove)
{
Debug.WriteLine("Penguins:");
Debug.WriteLine(penguin);
}
foreach (Penguin penguin in penguinsToRemove)
{
await RemovePenguin(penguin);
}
await MServer.LogMessage("FINE", server_name, "Server " + server_name + " has been stopped.");
listener.Dispose();
}
private async Task HandleRequest(StreamSocket socket, string packet)
{
string[] request = packet.Split(' ');
try
{
if (request[0] == "GET")
{
switch (request[1])
{
case "/":
await GenerateBoots(socket, MServer.GetCurrentLoginPort(), MServer.GetCurrentWorldNamesAndPorts()); return;
case "/LICENSE":
await GenerateBootsLicense(socket); return;
case "/register":
await RegisterGet(socket); return;
}
if (!request[1].Contains('.'))
{
await SendResponse(socket, Encoding.UTF8.GetBytes("mCPPS"), "text/html");
return;
}
List <String> folders = request[1].Split('/').ToList();
string filename = folders[folders.Count - 1];
string extension = filename.Split('.')[1];
folders.RemoveAt(0);
folders.RemoveAt(folders.Count - 1);
if (!allowed_extensions.ContainsKey(extension))
{
await SendResponse(socket, Encoding.UTF8.GetBytes("mCPPS"), "text/html");
return;
}
/* Check if file is cached locally.
* If it is not, download it from the master cache_server first.
* If it is, send it to user from cache.
*/
try
{
StorageFile file = await local_folder.GetFileAsync("Www\\" + request[1].Replace("/", "\\"));
await ReplyFileData(socket, file, allowed_extensions[extension]);
}
catch (FileNotFoundException)
{
try
{
HttpClient client = new HttpClient();
byte[] buffer = await client.GetByteArrayAsync(cache_server + request[1]);
StorageFolder tempfolder = await local_folder.GetFolderAsync("Www");
foreach (string folder in folders)
{
try
{
tempfolder = await tempfolder.GetFolderAsync(folder);
}
catch (Exception)
{
await tempfolder.CreateFolderAsync(folder);
tempfolder = await tempfolder.GetFolderAsync(folder);
}
}
StorageFile file = await tempfolder.CreateFileAsync(filename);
using (Stream stream = await file.OpenStreamForWriteAsync())
stream.Write(buffer, 0, buffer.Length);
await ReplyFileData(socket, file, allowed_extensions[extension]);
}
catch (Exception)
{
await SendResponse(socket, Encoding.UTF8.GetBytes("mCPPS"), "text/html");
}
}
}
else if (request[0] == "POST")
{
switch (request[1])
{
case "/register":
await RegisterPost(socket); return;
}
}
} catch (Exception)
{
await SendResponse(socket, Encoding.UTF8.GetBytes("mCPPS"), "text/html");
}
}