/// <summary>
/// Returns all available domains with services on them
/// </summary>
/// <param name="scanTime">Default is 2 seconds</param>
/// <param name="cancellationToken"></param>
/// <param name="retries">If the socket is busy, the number of times the resolver should retry</param>
/// <param name="retryDelayMilliseconds">The delay time between retries</param>
/// <param name="callback">Called per record returned as they come in.</param>
/// <returns></returns>
public static async Task <ILookup <string, string> > BrowseDomainsAsync(TimeSpan scanTime = default(TimeSpan),
int retries = 2,
int retryDelayMilliseconds = 2000,
Action <string, string> callback = null,
CancellationToken cancellationToken = default(CancellationToken))
{
if (retries <= 0)
{
throw new ArgumentOutOfRangeException(nameof(retries));
}
if (retryDelayMilliseconds <= 0)
{
throw new ArgumentOutOfRangeException(nameof(retryDelayMilliseconds));
}
if (scanTime == default(TimeSpan))
{
scanTime = TimeSpan.FromSeconds(2);
}
var options = new BrowseDomainsOptions
{
Retries = retries,
RetryDelay = TimeSpan.FromMilliseconds(retryDelayMilliseconds),
ScanTime = scanTime
};
return(await BrowseDomainsAsync(options, callback, cancellationToken).ConfigureAwait(false));
}
/// <summary>
/// Returns all available domains with services on them
/// </summary>
/// <param name="options"></param>
/// <param name="callback">Called per record returned as they come in.</param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static async Task <ILookup <string, string> > BrowseDomainsAsync(BrowseDomainsOptions options,
Action <string, string> callback = null,
CancellationToken cancellationToken = default(CancellationToken))
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
Action <string, Response> wrappedAction = null;
if (callback != null)
{
wrappedAction = (address, response) =>
{
foreach (var service in BrowseResponseParser(response))
{
callback(service, address);
}
};
}
var dict = await ResolveInternal(options,
wrappedAction,
cancellationToken)
.ConfigureAwait(false);
var r = from kvp in dict
from service in BrowseResponseParser(kvp.Value)
select new { Service = service, Address = kvp.Key };
return(r.ToLookup(k => k.Service, k => k.Address));
}
/// <summary>
/// Returns all available domains with services on them
/// </summary>
/// <param name="options"></param>
/// <param name="callback">Called per record returned as they come in.</param>
/// <param name="cancellationToken"></param>
/// <param name="netInterfacesToSendRequestOn">The network interfaces/adapters to use. Use all if null</param>
/// <returns></returns>
public static async Task <ILookup <string, string> > BrowseDomainsAsync(BrowseDomainsOptions options,
Action <string, string> callback = null,
CancellationToken cancellationToken = default(CancellationToken),
System.Net.NetworkInformation.NetworkInterface[] netInterfacesToSendRequestOn = null)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
#if !__IOS__
return(await BrowseDomainsAsyncOriginal(options, callback, cancellationToken, netInterfacesToSendRequestOn));
#else
if (UIDevice.CurrentDevice.CheckSystemVersion(14, 5))
{
if (UseBSDSocketsZeroconfOniOS)
{
return(await BrowseDomainsAsyncOriginal(options, callback, cancellationToken, netInterfacesToSendRequestOn));
}
else
{
return(await ZeroconfNetServiceBrowser.BrowseDomainsAsync(options, callback, cancellationToken, netInterfacesToSendRequestOn));
}
}
else
{
return(await BrowseDomainsAsyncOriginal(options, callback, cancellationToken, netInterfacesToSendRequestOn));
}
#endif
}
public static IObservable <DomainService> BrowseDomains(BrowseDomainsOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
return(Observable.Create <DomainService>(
async(obs, cxl) =>
{
try
{
Action <string, string> cb = (d, s) => obs.OnNext(new DomainService(d, s));
await BrowseDomainsAsync(options, cb, cxl);
}
catch (OperationCanceledException)
{ }
catch (Exception e)
{
obs.OnError(e);
}
finally
{
obs.OnCompleted();
}
}));
}
public static IObservable <DomainService> BrowseDomains(TimeSpan scanTime = default(TimeSpan),
int retries = 2,
int retryDelayMilliseconds = 2000)
{
if (retries <= 0)
{
throw new ArgumentOutOfRangeException(nameof(retries));
}
if (retryDelayMilliseconds <= 0)
{
throw new ArgumentOutOfRangeException(nameof(retryDelayMilliseconds));
}
if (scanTime == default(TimeSpan))
{
scanTime = TimeSpan.FromSeconds(2);
}
var options = new BrowseDomainsOptions
{
Retries = retries,
RetryDelay = TimeSpan.FromMilliseconds(retryDelayMilliseconds),
ScanTime = scanTime
};
return(BrowseDomains(options));
}
static internal async Task <ILookup <string, string> > BrowseDomainsAsync(BrowseDomainsOptions options,
Action <string, string> callback = null,
CancellationToken cancellationToken = default(CancellationToken),
System.Net.NetworkInformation.NetworkInterface[] netInterfacesToSendRequestOn = null)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (netInterfacesToSendRequestOn != null)
{
throw new NotImplementedException($"iOS NSNetServiceBrowser/NSNetService does not support per-network interface requests");
}
var browseDomainProtocolList = BonjourBrowser.GetNSBonjourServices();
ResolveOptions resolveOptions = new ResolveOptions(browseDomainProtocolList);
var zeroconfResults = await ResolveAsync(resolveOptions, callback : null, cancellationToken, netInterfacesToSendRequestOn);
List <IntermediateResult> resultsList = new List <IntermediateResult>();
foreach (var host in zeroconfResults)
{
foreach (var service in host.Services)
{
foreach (var ipAddr in host.IPAddresses)
{
IntermediateResult b = new IntermediateResult();
b.ServiceNameAndDomain = service.Key;
b.HostIPAndService = $"{ipAddr}: {BonjourBrowser.GetServiceType(service.Value.Name, includeTcpUdpDelimiter: false)}";
resultsList.Add(b);
// Simpleminded callback implementation
if (callback != null)
{
callback(service.Key, ipAddr);
}
}
}
}
ILookup <string, string> results = resultsList.ToLookup(k => k.ServiceNameAndDomain, h => h.HostIPAndService);
return(results);
}
internal static async Task <ILookup <string, string> > BrowseDomainsAsyncOriginal(BrowseDomainsOptions options,
Action <string, string> callback = null,
CancellationToken cancellationToken = default(CancellationToken),
System.Net.NetworkInformation.NetworkInterface[] netInterfacesToSendRequestOn = null)
{
Action <string, Response> wrappedAction = null;
if (callback != null)
{
wrappedAction = (address, response) =>
{
foreach (var service in BrowseResponseParser(response))
{
callback(service, address);
}
};
}
var dict = await ResolveInternal(options,
wrappedAction,
cancellationToken,
netInterfacesToSendRequestOn)
.ConfigureAwait(false);
var r = from kvp in dict
from service in BrowseResponseParser(kvp.Value)
select new { Service = service, Address = kvp.Key };
return(r.ToLookup(k => k.Service, k => k.Address));
}
