public static byte[] ToBytes(Packet packet){
byte[] buffer = new byte[16+packet.data.Length];
var sender = BitConverter.GetBytes((Int32)packet.Sender);
Array.Copy(sender,buffer,4);
Array.Copy(BitConverter.GetBytes((Int32)packet.Reciever),0,buffer,4,4);
Array.Copy(BitConverter.GetBytes((Int32)packet.PacketType), 0, buffer, 8, 4);
Array.Copy(BitConverter.GetBytes((Int32)packet.data.Length),0,buffer,12,4);
Array.Copy(packet.data,0,buffer,16,packet.data.Length);
return buffer;
}
public static byte[] ArrayToBytes(Packet[] packets){
int byteamount = 0;
foreach(Packet p in packets){byteamount+=16+p.data.Length;}
byte[] buffer=new byte[byteamount];
int curpos = 0;
foreach(Packet p in packets)
{
var curp = ToBytes(p);
Array.Copy(curp,0,buffer, curpos , curp.Length);
curpos += curp.Length;
}
return buffer;
}
public static byte[] ArrayToBytes(Packet[] packets){
int byteamount = 0;
foreach(Packet p in packets){byteamount+=16+p.data.Length;}
byte[] buffer=new byte[byteamount];
for(int i = 0;i<packets.Length;i++){
var packet = packets[i];
var sender = BitConverter.GetBytes(packet.Sender);
Array.Copy(sender,buffer,4);
Array.Copy(BitConverter.GetBytes(packet.Reciever),0,buffer,4,4);
Array.Copy(BitConverter.GetBytes(packet.PacketType), 0, buffer, 8, 4);
Array.Copy(BitConverter.GetBytes(packet.data.Length),0,buffer,12,4);
Array.Copy(packet.data,0,buffer,16,packet.data.Length);
}
return buffer;
}
public async Task ProcessPacketsAsync(Packet[] packet){
foreach(Packet p in packet){
switch(p.PacketType){
case 0:
Console.WriteLine(Encoding.ASCII.GetString(p.data));
break;
default:
Console.WriteLine("Unrecognized Packet Recieved");
break;
}
}
}
public async Task ClientConnectionAsync(){
while(true){
var client = await server.AcceptTcpClientAsync();
var stream = client.GetStream();
byte[] length = new byte[4];
await stream.ReadAsync(length,0,4);
int count = BitConverter.ToInt32(length,0);
byte[] buffer = new byte[count];
stream.Read(buffer,0,count);
Packet info = Packet.FromBytes(buffer);
var clientinfo = ClientInfo.FromPacket(info,client);
Console.WriteLine("Listening For Clients");
clients.Add(clientinfo);
Console.WriteLine("SERVER: " +clientinfo.Name+" has joined");
int g = clients.IndexOf(clientinfo);
//BroadcastData(Packet.ToBytes(new Packet(-3, -1, Encoding.ASCII.GetBytes(clientinfo.Name + " has joined"), 0)), null);// (x)=>c!=clients.IndexOf(x));
Task.Run( async ()=>{ int c = g; await ProcessIncomingDataAsync(c);});
BroadcastData(Packet.ToBytes(new Packet(0, 0, Encoding.ASCII.GetBytes(clientinfo.Name + " has joined"), 0)), null);
List<Packet> packets = new List<Packet>();
for(int i = 0;i<log.Count; i++){
var s = log[i];
var p = new Packet(-2, -1, Encoding.ASCII.GetBytes(s), 0);
packets.Add(p);
//Console.WriteLine(s + " " +Packet.ToBytes(p).Length);
}
log.Add(clientinfo.Name+" has joined");
if (packets.Count > 0)
{
SendData(Packet.ArrayToBytes(packets.ToArray()), client);
//Console.WriteLine("Sending Log of length "+log.Count);
}
}
}
public async Task ProcessPacketsAsync(Packet[] packet, ClientInfo info){
foreach(Packet p in packet){
switch(p.PacketType){
case 0:
var strea = Encoding.ASCII.GetString(p.data);
Console.WriteLine(strea);
log.Add(strea);
int c = clients.IndexOf(info);
BroadcastData(Packet.ToBytes(new Packet(-3,-1,Encoding.ASCII.GetBytes(strea),0)),(x)=>clients.IndexOf(x)!=c);
break;
case 2:
BroadcastData(Packet.ToBytes(new Packet(-3,-1,Encoding.ASCII.GetBytes(info.Name+" has disconnected"),0)));
log.Add(info.Name+" has disconnected");
Console.WriteLine(info.Name+" has disconnected");
info.Client.Close();
clients.Remove(info);
break;
default:
Console.WriteLine("Unrecognized Packet Recieved");
break;
}
}
}
public static ClientInfo FromPacket(Packet packet,TcpClient client){
string name = Encoding.ASCII.GetString(packet.data);
return new ClientInfo(client,name);
}
public static Packet ToPacket(ClientInfo client){
Packet pack = new Packet(-1,-2,null,5);
byte[] name = Encoding.ASCII.GetBytes(client.Name);
pack.data=name;
return pack;
}
public void ProcessPacketsAsync(Packet[] packet, TcpClient info){
foreach(Packet p in packet){
switch(p.PacketType){
case 0:
var strea = Encoding.ASCII.GetString(p.data);
Console.WriteLine(strea);
log.Add(strea);
//int c = clients.IndexOf(info);
//int g = c;
foreach (ClientInfo x in clients)
{
if (info != x.Client)
{
SendData(Packet.ToBytes(new Packet(0, 0, Encoding.ASCII.GetBytes(strea), 0)),x.Client);
}
}
break;
case 2:
//var clientinfo = clients.Find((x) => x.Client == info);
// Disconnect(clientinfo);
break;
default:
Console.WriteLine("Unrecognized Packet Recieved");
break;
}
}
}
