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Server.cs
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172 lines (141 loc) · 5.15 KB
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using System.Net;
using System.Net.Sockets;
using M9Studio.ShadowTalk.Core;
using M9Studio.SecureStream;
using Newtonsoft.Json.Linq;
using System.Net.NetworkInformation;
namespace M9Studio.ShadowTalk.Server
{
public partial class Server
{
public static string GenerateHexString(int byteLength)
{
var rng = new System.Security.Cryptography.RNGCryptoServiceProvider();
byte[] buffer = new byte[byteLength];
rng.GetBytes(buffer);
return BitConverter.ToString(buffer).Replace("-", "").ToLower();
}
public DataBase @base;
protected Logger logger;
public readonly IPEndPoint Address;
private Socket socket;
private TcpServerSecureTransportAdapter adapter;
private SecureStreamLogger adapterLogger;
private SecureChannelManager<IPEndPoint> manager;
protected Dictionary<SecureSessionLogger, int> addresses;
protected Dictionary<int, SecureSessionLogger> sessions;
protected Dictionary<int, User> users;
public Server(Logger logger)
{
if (!File.Exists("port.txt"))
{
File.WriteAllText("port.txt", "60606");
}
int port = Convert.ToInt32(File.ReadAllText("port.txt"));
@base = new DataBase();
this.logger = logger;
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Address = new IPEndPoint(IPAddress.Any, port);
socket.Bind(Address);
socket.Listen(10);
adapter = new TcpServerSecureTransportAdapter(socket);
//Для логов
adapterLogger = new SecureStreamLogger(adapter, logger);
manager = new SecureChannelManager<IPEndPoint>(adapterLogger);
//manager = new SecureChannelManager<IPEndPoint>(adapter);
addresses = new Dictionary<SecureSessionLogger, int>();
sessions = new Dictionary<int, SecureSessionLogger>();
users = new Dictionary<int, User>();
logger.UpdateAddress(allIP(port));
Update();
manager.OnConnected += session => Connect(new SecureSessionLogger(session, logger));
manager.OnDisconnected += session => Disconnect(new SecureSessionLogger(session, logger));
}
public void Update()
{
Task.Run(() =>
{
UpdateUser();
UpdateUserOnline();
UpdateMessage();
UpdateMessageWaiting();
UpdateMessageDeleted();
});
}
protected void UpdateUser()
{
logger.UpdateUser(
@base.Count(
"SELECT COUNT(*) AS num FROM users"));
}
protected void UpdateUserOnline()
{
logger.UpdateUserOnline(sessions.Count);
}
protected void UpdateMessage()
{
logger.UpdateMessage(
@base.Count(
"SELECT COUNT(*) AS num FROM messages"));
}
protected void UpdateMessageWaiting()
{
logger.UpdateMessageWaiting(
@base.Count(
"SELECT COUNT(*) AS num FROM messages where type = ?",
(int)PacketServerToClientStatusMessages.CheckType.AWAITING));
}
protected void UpdateMessageDeleted()
{
logger.UpdateMessageDeleted(
@base.Count(
"SELECT COUNT(*) AS num FROM messages where type = ?",
(int)PacketServerToClientStatusMessages.CheckType.DELETED));
}
static string allIP(int port)
{
string hostName = Dns.GetHostName();
var ipAddresses = Dns.GetHostEntry(hostName).AddressList;
string ret = "";
ret += "0.0.0.0:" + port + "\n";
ret += "127.0.0.1:" + port + "\n";
foreach (var ip in ipAddresses)
{
ret += ip.ToString() + ":" + port + "\n";
}
return ret;
}
private void Connect(SecureSessionLogger session)
{
Task.Run(() =>
{
JObject packet = session.ReceiveJObject();
try
{
CheckSRP(session, PacketStruct.Parse<PacketClientToServerReconectSRP>(packet));
return;
}
catch (Exception ex) { }
try
{
Login(session, PacketStruct.Parse<PacketClientToServerLogin>(packet));
return;
}
catch (Exception ex) { }
Disconnect(session);
});
}
protected void Disconnect(SecureSessionLogger session)
{
if (addresses.ContainsKey(session))
{
int id = addresses[session];
users.Remove(id);
sessions.Remove(id);
addresses.Remove(session);
}
adapter.Disconect(session.RemoteAddress);
Update();
}
}
}