Messenger/MSGer.tk/Networking/Networking.cs

82 lines
2.9 KiB
C#

using System; //Copyright (c) NorbiPeti 2015 - See LICENSE file
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace MSGer.tk
{
static partial class Networking
{
public static UdpClient SenderConnection = new UdpClient(AddressFamily.InterNetworkV6);
public static UdpClient ReceiverConnection;
public static Dictionary<int, PacketSender> Senders = new Dictionary<int, PacketSender>();
public enum UpdateType : byte
{
ListUpdate = 0x01, //0x01: OK
UpdateMessages, //0x01: OK
GetImage, //(int)0: Hiba, egyébként a kép hossza, majd a kép
LoginUser, //0x00: Hiba - Egyébként minden fontos információ, amiről "lemaradt"
LogoutUser, //0x01: OK
SetKey, //0x01: OK
SendImage,
SendFile,
};
private static void Log(string message) //2014.12.31.
{
Logging.Log(message, Logging.LogType.Network);
}
public static async Task<bool> SendChatMessage(ChatPanel chat, string message, double time)
{ //2014.09.22.
var tmp1 = chat.ChatPartners.Select(entry => entry.UserID).ToArray();
int[] tmp2 = new int[tmp1.Length + 1];
tmp1.CopyTo(tmp2, 0);
tmp2[tmp2.Length - 1] = CurrentUser.UserID;
var resp = await new PacketSender(new PDUpdateMessages(tmp2, message, time)).SendAsync(); //2015.05.15.
if (resp == null || resp.Length == 0 || resp.All(entry => !((PDUpdateMessages)entry.EData).RSuccess))
return false;
else //Ha válaszoltak, és senki sem válaszolt nem oké jelzéssel, akkor rendben van
return true;
}
public static bool ReceiveUpdates(out PacketFormat packet, out IPEndPoint remoteep)
{
//buffer = null; //2015.03.28.
packet = null;
remoteep = null; //2015.03.28.
IPEndPoint remoteEP;
remoteEP = new IPEndPoint(IPAddress.Any, CurrentUser.Port); //2015.05.24.
byte[] buf;
try
{
buf = ReceiverConnection.Receive(ref remoteEP);
}
catch
{
return false; //2015.03.28.
}
PacketFormat pf = PacketFormat.FromBytes(buf);
if (pf.Response)
{
if (Senders.ContainsKey(pf.ID))
Senders[pf.ID].OnReceiveResponse(pf, remoteEP);
return false;
}
else
{
packet = pf;
remoteep = remoteEP;
return true;
}
}
}
}