static void ListenServer(Socket socket, IPEndPoint ipend)
{
EndPoint ep = ipend;
byte[] container = new byte[] { };
int length = 0;
while (true)
{
byte[] fullBuffer = new byte[maxBufferSize];
int messageSize = socket.ReceiveFrom(fullBuffer, ref ep);
byte[] buffer = Buffer.ChangeBufferSize(fullBuffer, 0, messageSize);
byte code = buffer[0];
if (code == 0)
{
length = int.Parse($"{buffer[1]}{buffer[2]}{buffer[3]}{buffer[4]}");
container = new byte[] { };
}
else if (length != 0 && code == 1)
{
container = Buffer.CombineBuffers(container, 0, buffer, 1, buffer.Length);
length -= buffer.Length - 1;
if (length == 0)
{
MessageProcess(container, socket, ipend);
container = new byte[] { };
}
}
}
}
static void AutoSender(Socket socket)
{
while (true)
{
if (messages.Count != 0)
{
UDPMessage udpm = messages.Dequeue();
int bufferSize = udpm.message.Length;
int lastIndex = 0;
byte[] byteLength = new byte[4];
string str = string.Format($"{udpm.message.Length}");
for (int i = byteLength.Length - str.Length, j = 0; i < byteLength.Length; i++, j++)
{
byteLength[i] = (byte)int.Parse($"{str[j]}");
}
socket.SendTo(Buffer.AddStartCode(byteLength, 0), udpm.ipend);
while (bufferSize > 0)
{
socket.SendTo(Buffer.AddStartCode(Buffer.ChangeBufferSize(udpm.message, lastIndex, bufferSize < maxBufferSize ? bufferSize : maxBufferSize - 1), 1), udpm.ipend);
bufferSize -= maxBufferSize - 1;
lastIndex += maxBufferSize - 1;
}
Console.WriteLine("Сообщение отправлено");
}
}
}
static void ClientListen(Socket socket)
{
while (true)
{
EndPoint clientEndPoint = new IPEndPoint(IPAddress.None, 25000);
byte[] buffer = new byte[maxBufferSize];
int messageSize = socket.ReceiveFrom(buffer, ref clientEndPoint);
IPEndPoint cleanEP = (IPEndPoint)clientEndPoint;
if (!UserInList(cleanEP))
{
Console.WriteLine("Новый пользователь");
lock (lockUsersList) users.Add(new UDPUser(cleanEP));
}
byte[] messageBuffer = Buffer.ChangeBufferSize(buffer, 0, messageSize);
for (int i = 0; i < users.Count; i++)
{
lock (lockUsersList)
{
if (users[i].UserIP.ToString() == cleanEP.ToString())
{
byte code = buffer[0];
if (code == 0)
{
users[i].length = int.Parse($"{messageBuffer[1]}{messageBuffer[2]}{messageBuffer[3]}{messageBuffer[4]}");
users[i].messageBytes = new byte[] { };
}
else if (users[i].length != 0 && code == 1)
{
byte[] messagePart = Buffer.ChangeBufferSize(messageBuffer, 1, messageBuffer.Length - 1);
users[i].messageBytes = Buffer.CombineBuffers(users[i].messageBytes, messagePart);
users[i].length -= messageBuffer.Length - 1;
if (users[i].length == 0)
{
MessageProcess(users[i].messageBytes, socket, cleanEP);
users[i].messageBytes = new byte[] { };
}
}
break;
}
}
}
}
}
static void Send(object obj, Socket socket, IPEndPoint ipend)
{
byte[] message = ToBinary(obj);
int bufferSize = message.Length;
int lastIndex = 0;
byte[] byteLength = new byte[4];
string str = string.Format($"{message.Length}");
for (int i = byteLength.Length - str.Length, j = 0; i < byteLength.Length; i++, j++)
{
byteLength[i] = (byte)int.Parse($"{str[j]}");
}
socket.SendTo(Buffer.AddStartCode(byteLength, 0), ipend);
while (bufferSize > 0)
{
byte[] messagePartBuffer = Buffer.ChangeBufferSize(message, lastIndex, bufferSize < maxBufferSize ? bufferSize : maxBufferSize - 1);
socket.SendTo(Buffer.AddStartCode(messagePartBuffer, 1), ipend);
bufferSize -= maxBufferSize - 1;
lastIndex += maxBufferSize - 1;
}
}
