private async void receiveingUDPPacket()
{
while (true)
{
var result = await udpClient.ReceiveAsync();
string receiveStr = Encoding.UTF8.GetString(result.Buffer);
if (result.RemoteEndPoint.Port == 37654)
{
if (receiveStr.Contains("ID: ") && receiveStr.Contains(", Name: "))
{
string IDstr = receiveStr.Split(',')[0].Substring(4);
string Namestr = receiveStr.Split(',')[1].Substring(7);
if (IDstr != id.ToString())
{
Dispatcher.BeginInvokeOnMainThread(() =>
{
EPButton btn = null;
foreach (var v in EPButtons.Children)
{
EPButton b = v as EPButton;
if (b.PeerID == ulong.Parse(IDstr))
{
btn = b;
}
}
if (btn == null)
{
btn = new EPButton();
btn.PeerID = ulong.Parse(IDstr);
EPButtons.Children.Add(btn);
btn.Clicked += BTNPeer_Clicked;
}
btn.Text = Namestr;
btn.PeerIP = result.RemoteEndPoint.Address;
btn.Timeout = ((DateTimeOffset)DateTime.Now).ToUnixTimeSeconds() + 10;
});
}
}
}
}
}
protected void BTNPeer_Clicked(object sender, EventArgs args)
{
TcpClient tcpClient = new TcpClient();
EPButton btn = sender as EPButton;
try
{
tcpClient.Connect(btn.PeerIP, 37654);
int trying = 0;
do
{
string telegram = string.Format("ID: {0}, Name: {1}, To: {2}", id.ToString(),
(EntryPlayerName.Text != "") ? EntryPlayerName.Text : defaultName, btn.PeerID.ToString());
tcpClient.GetStream().Write(Encoding.UTF8.GetBytes(telegram), 0, Encoding.UTF8.GetByteCount(telegram));
byte[] buffer = new byte[2048];
tcpClient.GetStream().Read(buffer, 0, buffer.Length);
string response = Encoding.UTF8.GetString(buffer);
response = response.Trim('\0');
if (response.Contains("OK.., Name: "))
{
string peerName = response.Split(',')[1].Substring(7);
Dispatcher.BeginInvokeOnMainThread(() =>
{
Navigation.PopModalAsync();
Navigation.PushModalAsync(new NetworkPlayPage(tcpClient, id ^ btn.PeerID, peerName, false));
});
break;
}
else
{
trying++;
}
} while (trying < 5);
}
catch
{
EPButtons.Children.Remove(btn);
}
}
private void backgroundFunc()
{
while (!cancelingBackground)
{
System.Threading.Thread.Sleep(200);
string newTitle = "配對";
for (int i = 0; i < titleLabelDotAnimation; i++)
{
newTitle += ".";
}
titleLabelDotAnimation++;
titleLabelDotAnimation %= 7;
Dispatcher.BeginInvokeOnMainThread(() =>
{
LabelTitle.Text = newTitle;
List <EPButton> toRemove = new List <EPButton>();
foreach (var v in EPButtons.Children)
{
EPButton b = v as EPButton;
if (b.Timeout < ((DateTimeOffset)DateTime.Now).ToUnixTimeSeconds())
{
toRemove.Add(b);
}
}
foreach (var v in toRemove)
{
v.Clicked -= BTNPeer_Clicked;
EPButtons.Children.Remove(v);
}
});
string telegram = string.Format("ID: {0}, Name: {1}", id.ToString(), (EntryPlayerName.Text != "") ? EntryPlayerName.Text : defaultName);
udpClient.SendAsync(Encoding.UTF8.GetBytes(telegram), Encoding.UTF8.GetByteCount(telegram), new IPEndPoint(IPAddress.Broadcast, 37654));
}
}
