private async Task UpdateLoopAsync()
{
int UpdateStatus(LinkProfile profile)
{
var span = DateTime.Now - profile.LastOnlineDateTime;
if (span < TimeSpan.Zero || span > environment.ProfileOnlineTimeout)
{
profile.ProfileStatus = LinkProfileStatus.Offline;
}
var imageHash = profile.RemoteImageHash;
if (imageHash.IsNullOrEmpty() == false && imageHash != profile.ImageHash && pending.Add(profile.Id))
{
Task.Run(() => UpdateImageAsync(profile));
}
return(1);
}
var token = client.CancellationToken;
while (true)
{
token.ThrowIfCancellationRequested();
await client.UpdateUIAsync(() => Op.Lock(locker, () => profiles.Values.Sum(UpdateStatus)));
await Task.Delay(environment.BackgroundTaskDelay);
}
}
internal async Task <Task> StartAsync()
{
var profile = client.Profile;
var udpEndPoint = environment.UdpEndPoint;
var tcpEndPoint = environment.TcpEndPoint;
udpClient = new UdpClient(udpEndPoint)
{
EnableBroadcast = true
};
tcpListener = new TcpListener(tcpEndPoint);
tcpListener.Start();
await client.UpdateUIAsync(() =>
{
profile.UdpPort = udpEndPoint.Port;
profile.TcpPort = tcpEndPoint.Port;
});
var tasks = new Task[]
{
Task.Run(UdpLoopAsync),
Task.Run(TcpLoopAsync),
};
return(Task.WhenAll(tasks));
}