public async void ConnectToId(SteamId hostId)
{
// Refuse to attempt another connection if one is active or in progress
if (Active || Status == PeerStatus.CONNECTING)
{
Output.LogWarning($"{Name}: Attempted to connect while a previous connection is active or in progress");
return;
}
// Set timeout start time, set client active, and set client status to Connecting
DateTime timeoutStart = DateTime.Now;
// Set status appropriately
_active = true;
_status = PeerStatus.CONNECTING;
try
{
// Send a request to connect
byte[] sendData = new byte[] { (byte)PacketType.CONNECT };
SendPacket(hostId, sendData, sendData.Length);
while (Status == PeerStatus.CONNECTING)
{
// Wait for a packet to arrive
while (!IsPacketAvailable())
{
TimeSpan timeoutChk = DateTime.Now - timeoutStart;
if (timeoutChk.TotalMilliseconds >= MP_TIMEOUT)
{
throw new Exception("Timed out attempting to connect");
}
await Task.Delay(TimeSpan.FromMilliseconds(TickRate));
}
GetNextPacket(out P2Packet? packet);
if (packet == null)
{
throw new Exception("Null packet received");
}
// If the packet is not null, get data and sender SteamId
byte[] data = packet.Value.Data;
SteamId sender = packet.Value.SteamId;
if (data.Length < 1 || data == null)
{
throw new Exception("Null or zero-length data array received");
}
// Ignore packets sent by someone who isn't expected
if (sender != hostId)
{
continue;
}
if (data[0] != (byte)PacketType.CONNECTION_ACCEPTED)
{
throw new Exception($"Unexpected response ({data[0]})");
}
// Now connected to a new server, set status and refresh receive queue
_status = PeerStatus.CONNECTED;
_receiveQueue.Clear();
// Raise OnConnected event
OnConnected?.Invoke();
}
_host = hostId;
}
catch (Exception e)
{
Output.LogError($"{Name}: Error connecting to host ({e.Message})");
// If we catch an exception, reset active and status
ResetStatus();
}
}