public async Task<PortCheckResult> RunAsync()
{
var client = new WebClient();
var data = new JObject();
data["instanceId"] = InstanceId.ToString("N");
data["ports"] = new JArray(Ports);
var succeeded = false;
var stopwatch = new System.Diagnostics.Stopwatch();
string response_body = null;
try {
stopwatch.Start();
var body = System.Text.Encoding.UTF8.GetBytes(data.ToString());
response_body = System.Text.Encoding.UTF8.GetString(
await client.UploadDataTaskAsync(Target, body)
);
stopwatch.Stop();
succeeded = true;
var response = JToken.Parse(response_body);
var response_ports = response["ports"].Select(token => (int)token);
return new PortCheckResult(
succeeded,
response_ports.ToArray(),
stopwatch.Elapsed);
}
catch (WebException) {
succeeded = false;
return new PortCheckResult(
succeeded,
null,
stopwatch.Elapsed);
}
catch (Newtonsoft.Json.JsonReaderException) {
succeeded = false;
return new PortCheckResult(
succeeded,
null,
stopwatch.Elapsed);
}
}
} public async Task <PortCheckResult[]> CheckAsync()
{
var peercast = Application.PeerCast;
var endpoints = peercast.OutputListeners
.Where(listener => (listener.GlobalOutputAccepts & OutputStreamType.Relay) != 0)
.Select(listener => listener.LocalEndPoint)
.GroupBy(ep => ep.Address);
return(await Task.WhenAll(
endpoints.Select(group => {
var target = TargetUriV4;
switch (group.Key.AddressFamily)
{
case AddressFamily.InterNetworkV6:
target = TargetUriV6;
break;
case AddressFamily.InterNetwork:
default:
target = TargetUriV4;
break;
}
var checker = new PCPPortChecker(peercast.SessionID, target, group.Key, group.Select(ep => ep.Port));
return checker.RunAsync();
})
).ConfigureAwait(false));
}