using System; 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 Senders = new Dictionary(); 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 //KeepAlive, }; private static void Log(string message) //2014.12.31. { Logging.Log(message, Logging.LogType.Network); } public static async Task SendChatMessage(ChatPanel chat, string message, double time) { //2014.09.22. /*List bytes = new List(); string sendstr = ""; foreach (var pID in chat.ChatPartners) { sendstr += pID + ","; } bytes.AddRange(BitConverter.GetBytes(Encoding.Unicode.GetByteCount(sendstr))); bytes.AddRange(Encoding.Unicode.GetBytes(sendstr)); sendstr = message; //Átállítja a sendstr-t az üzenetre, majd újra belerakja bytes.AddRange(BitConverter.GetBytes(Encoding.Unicode.GetByteCount(sendstr))); bytes.AddRange(Encoding.Unicode.GetBytes(sendstr)); sendstr = Program.DateTimeToUnixTime(DateTime.Now); bytes.AddRange(BitConverter.GetBytes(Encoding.Unicode.GetByteCount(sendstr))); bytes.AddRange(Encoding.Unicode.GetBytes(sendstr));*/ //byte[][] resp = SendUpdate(UpdateType.UpdateMessages, Encoding.Unicode.GetBytes(sendstr), false); //var resp = await SendUpdateInThread(new PacketFormat(false, new PDUpdateMessages(chat.ChatPartners.Select(entry => entry.UserID).ToArray(), message))); 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; //if (resp == null || resp.Length == 0 || resp.All(bytesb => bytesb[0] != 0x01)) } //public static object[] ReceiveUpdates() //Thread function //public static bool ReceiveUpdates(out byte[] buffer, out IPEndPoint remoteep) //<-- 2015.03.28. 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, Int32.Parse(Storage.Settings[SettingType.Port])); //2014.09.04. - A port beállítása már megtörtént remoteEP = new IPEndPoint(IPAddress.Any, CurrentUser.Port); //2015.05.24. byte[] buf; try { buf = ReceiverConnection.Receive(ref remoteEP); } catch { //return null; return false; //2015.03.28. } //if (buf[0] == 0x01) //0x01: Válasz egy kérelemre PacketFormat pf = PacketFormat.FromBytes(buf); if(pf.Response) { //if (WaitingOnResponse == false || WaitingOnPacket != buf[1]) /*if (WaitingOnResponse == false || WaitingOnPacket != pf.PacketType) //2015.05.10. return false; while (DataBuffer != null) ; //Várja meg, amíg feldolgozza a legutóbbi adatot DataBuffer = buf; //2014.09.19. - Küldön el mindenhova mindent, és egységesen egy funkcióval dolgozza fel RemoteEP = remoteEP;*/ if (Senders.ContainsKey(pf.ID)) Senders[pf.ID].OnReceiveResponse(pf, remoteEP); return false; } else //return new object[] { buf, remoteEP }; { //buffer = buf; packet = pf; remoteep = remoteEP; return true; } } /*[Obsolete] public struct PacketParts { public bool Response; public UpdateType UpdateType; public int KeyVersion; public int Port; //2014.12.19. public int UserID; public byte[] Data; };*/ } }