public static void Main(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new System.ServiceModel.Discovery.DiscoveryClient(endPoint);
var findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(3),
MaxResults = int.MaxValue
};
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
Console.WriteLine("Initiating find operation.");
var response = discoveryClient.Find(findCriteria);
List <string> lst = new List <string>();
foreach (var e in response.Endpoints)
{
foreach (var item in e.ListenUris)
{
string uri = item.OriginalString;
string host = item.Host;
lst.Add(host + ": " + uri);
}
}
lst = lst.Distinct().ToList();
lst.ForEach(x => Console.WriteLine(x));
Console.WriteLine($"Operation returned - Found {lst.Count} endpoints.");
Console.ReadKey();
}
static void RunCodeUnderDiscoveryHost(Uri serviceUri, Uri aHostUri, Action <Uri, AnnouncementEndpoint, DiscoveryEndpoint> action)
{
var abinding = new CustomBinding(new HttpTransportBindingElement());
var aAddress = new EndpointAddress(aHostUri);
var aEndpoint = new AnnouncementEndpoint(abinding, aAddress);
var dEndpoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscovery11, new Uri("soap.udp://239.255.255.250:3802/"));
var ib = new InspectionBehavior();
ib.RequestReceived += delegate(ref Message msg, IClientChannel
channel, InstanceContext instanceContext) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.Error.WriteLine(mb.CreateMessage());
return(null);
};
ib.ReplySending += delegate(ref Message msg, object o) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.Error.WriteLine(mb.CreateMessage());
};
dEndpoint.Behaviors.Add(ib);
aEndpoint.Behaviors.Add(ib);
action(serviceUri, aEndpoint, dEndpoint);
}
private static DiscoveryClient BuildDiscoveryClient(string adapterId, DiscoveryVersion version)
{
var epDiscovery = new UdpDiscoveryEndpoint(version);
var b = (CustomBinding)epDiscovery.Binding;
if (b == null)
{
return(null);
}
epDiscovery.TransportSettings.MulticastInterfaceId = adapterId;
b.Elements.Insert(0, new MulticastCapabilitiesBindingElement(true));
var discoveryClient = new DiscoveryClient(epDiscovery);
discoveryClient.FindProgressChanged += DiscoveryClientFindProgressChanged;
//discoveryClient.FindCompleted += DiscoveryClientFindCompleted;
FindCriteria findCriteria = new FindCriteria
{
Duration = TimeSpan.FromMinutes(5),
MaxResults = int.MaxValue
};
foreach (var ctn in CtNs)
{
findCriteria.ContractTypeNames.Add(ctn);
}
discoveryClient.FindAsync(findCriteria);
return(discoveryClient);
}
void RunCodeUnderDiscoveryHost3(Uri serviceUri, Uri aHostUri, Action <Uri, AnnouncementEndpoint, DiscoveryEndpoint> action)
{
// announcement service
var abinding = new CustomBinding(new HttpTransportBindingElement());
var aAddress = new EndpointAddress(aHostUri);
var aEndpoint = new AnnouncementEndpoint(abinding, aAddress);
// discovery service
var dEndpoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscovery11, new Uri("soap.udp://239.255.255.250:3802/"));
// Without this, .NET rejects the host as if it had no service.
dEndpoint.IsSystemEndpoint = false;
// it internally hosts an AnnouncementService
using (var inst = new AnnouncementBoundDiscoveryService(aEndpoint)) {
var host = new ServiceHost(inst);
host.AddServiceEndpoint(dEndpoint);
try {
host.Open();
action(serviceUri, aEndpoint, dEndpoint);
} finally {
host.Close();
}
}
}
public DiscoveryClient startDiscovery(TimeSpan span)
{
try
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new DiscoveryClient(endPoint);
discoveryClient.FindCompleted += DiscoveryClient_FindCompleted;
discoveryClient.FindProgressChanged += discoveryClient_FindProgressChanged;
FindCriteria findCriteria = new FindCriteria();
findCriteria.Duration = span;
findCriteria.MaxResults = int.MaxValue;
findCriteria.ContractTypeNames.Add(new System.Xml.XmlQualifiedName("NetworkVideoTransmitter", "http://www.onvif.org/ver10/network/wsdl"));
discoveryClient.FindAsync(findCriteria);
this.OnRecoveryChange("", DiscoveryEvent.EventTypes.startEvent);
System.Diagnostics.Trace.WriteLine("DiscoveryClient.startDiscovery O.K ...");
return(discoveryClient);
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine("DiscoveryServer.startDiscovery: " + ex.Message);
return(null);
}
}
private void IPCameraList()
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new DiscoveryClient(endPoint);
var findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(3),
MaxResults = int.MaxValue
};
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
var response = discoveryClient.Find(findCriteria);
List <string> lst = new List <string>();
foreach (var e in response.Endpoints)
{
foreach (var item in e.ListenUris)
{
string uri = item.OriginalString;
string host = item.Host;
lst.Add(host);
}
}
lst = lst.Distinct().ToList();
lst.ForEach(x => cmbCameraDevices.Items.Add(x));
}
public static void OldMain(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
//not sure what this does - if anything.
//endPoint.Binding.CreateBindingElements().Insert(0, new MulticastCapabilitiesBindingElement(true));
var discoveryClient = new System.ServiceModel.Discovery.DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += DiscoveryClient_FindProgressChanged;
var findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(10), // Onvif device manager finds cameras almost instantly - so 10s should be plenty
MaxResults = int.MaxValue
};
//Taking cue from sniffing Onvif DM UDP packets - only add one contract type filter
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
//findCriteria.ContractTypeNames.Add(new XmlQualifiedName("Device", @"http://www.onvif.org/ver10/device/wsdl"));
Console.WriteLine("Initiating find operation.");
//discoveryClient.FindAsync(findCriteria);
//Console.WriteLine("Returned from Async find operation");
var response = discoveryClient.Find(findCriteria);
Console.WriteLine($"Operation returned - Found {response.Endpoints.Count} endpoints.");
Console.ReadKey();
}
protected internal override ServiceEndpoint CreateServiceEndpoint(ContractDescription contractDescription)
{
if (contractDescription == null)
{
throw new ArgumentNullException("contractDescription");
}
DiscoveryVersion ver = null;
switch (contractDescription.ContractType.Namespace)
{
case DiscoveryVersion.Namespace11:
ver = DiscoveryVersion.WSDiscovery11;
break;
case DiscoveryVersion.NamespaceApril2005:
ver = DiscoveryVersion.WSDiscoveryApril2005;
break;
case DiscoveryVersion.NamespaceCD1:
ver = DiscoveryVersion.WSDiscoveryCD1;
break;
}
var ret = new UdpDiscoveryEndpoint(ver, MulticastAddress);
ret.MaxResponseDelay = MaxResponseDelay;
TransportSettings.ApplyConfiguration(ret.TransportSettings);
return(ret);
}
public void DefaultSettings()
{
var binding = new UdpDiscoveryEndpoint().Binding;
Assert.AreEqual(TimeSpan.FromMinutes(1), binding.SendTimeout, "#1");
Assert.AreEqual(TimeSpan.FromMinutes(10), binding.ReceiveTimeout, "#2");
}
void ApplyConfiguration(ServiceEndpoint endpoint)
{
UdpDiscoveryEndpoint udpDiscoveryEndpoint = (UdpDiscoveryEndpoint)endpoint;
udpDiscoveryEndpoint.MulticastAddress = this.MulticastAddress;
#pragma warning disable 0618
this.TransportSettings.ApplyConfiguration(udpDiscoveryEndpoint.TransportSettings);
#pragma warning restore 0618
}
void InitializeDiscoveryClient(DiscoveryVersion version)
{
UdpDiscoveryEndpoint endpoint = new UdpDiscoveryEndpoint(version);
_discoveryClient = new DiscoveryClient(endpoint);
_discoveryClient.FindProgressChanged += DiscoveryClient_FindProgressChanged;
_discoveryClient.FindCompleted += DiscoveryClient_FindCompleted;
}
public void CanBuildChannelListener ()
{
var binding = new UdpDiscoveryEndpoint ().Binding;
Assert.IsFalse (binding.CanBuildChannelListener<IRequestChannel> (), "#1");
Assert.IsFalse (binding.CanBuildChannelListener<IRequestSessionChannel> (), "#2");
Assert.IsTrue (binding.CanBuildChannelListener<IDuplexChannel> (), "#3");
Assert.IsFalse (binding.CanBuildChannelListener<IDuplexSessionChannel> (), "#4");
Assert.IsFalse (binding.CanBuildChannelListener<IOutputChannel> (), "#5");
Assert.IsFalse (binding.CanBuildChannelListener<IOutputSessionChannel> (), "#6");
}
private void btnListen_Click(object sender, EventArgs e)
{
if (_serviceHost == null)
{
_serviceHost = new ServiceHost(typeof(SampleService), _baseAddress);
{
// Add an endpoint to the service
ServiceEndpoint discoverableEndpoint = _serviceHost.AddServiceEndpoint(
typeof(ISampleService),
new BasicHttpBinding(),
"/DiscoverableEndpoint");
// Add Scopes to the endpoint
EndpointDiscoveryBehavior discoverableEndpointBehavior = new EndpointDiscoveryBehavior();
foreach (ListViewItem item in lvTypes.CheckedItems)
{
XmlQualifiedName type = new XmlQualifiedName(item.SubItems[0].Text, item.SubItems[1].Text);
discoverableEndpointBehavior.ContractTypeNames.Add(type);
}
foreach (ListViewItem item in lvScopes.CheckedItems)
{
discoverableEndpointBehavior.Scopes.Add(new Uri(item.SubItems[0].Text));
}
discoverableEndpointBehavior.Enabled = true;
discoverableEndpoint.Behaviors.Add(discoverableEndpointBehavior);
}
// without this fragment, Probe does not work
{
ServiceDiscoveryBehavior sdb = new ServiceDiscoveryBehavior();
_serviceHost.Description.Behaviors.Add(sdb);
UdpDiscoveryEndpoint discoveryEndpoint = new UdpDiscoveryEndpoint(SelectedVersion);
discoveryEndpoint.TransportSettings.TimeToLive = 5;
_serviceHost.AddServiceEndpoint(discoveryEndpoint);
//discoveryEndpoint.Address = new EndpointAddress(new Uri("urn:uuid" + _guid.ToString()));
}
_serviceHost.Open();
btnListen.Text = "Stop";
}
else
{
_serviceHost.Close();
_serviceHost = null;
btnListen.Text = "Listen";
}
}
static void RunCodeUnderDiscoveryHost(Uri serviceUri, Uri aHostUri)
{
// announcement service
var abinding = new CustomBinding(new HttpTransportBindingElement());
var aAddress = new EndpointAddress(aHostUri);
var aEndpoint = new AnnouncementEndpoint(abinding, aAddress);
// discovery service
var dEndpoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscovery11, new Uri("soap.udp://239.255.255.250:3802/"));
// Without this, .NET rejects the host as if it had no service.
dEndpoint.IsSystemEndpoint = false;
var ib = new InspectionBehavior();
ib.ReplySending += delegate(ref Message msg, object o) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.Error.WriteLine(mb.CreateMessage());
};
ib.RequestReceived += delegate(ref Message msg, IClientChannel channel, InstanceContext ctx) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.Error.WriteLine(mb.CreateMessage());
return(null);
};
ib.ReplyReceived += delegate(ref Message msg, object o) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.Error.WriteLine(mb.CreateMessage());
};
ib.RequestSending += delegate(ref Message msg, IClientChannel channel) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.Error.WriteLine(mb.CreateMessage());
return(null);
};
dEndpoint.Behaviors.Add(ib);
aEndpoint.Behaviors.Add(ib);
// it internally hosts an AnnouncementService
using (var inst = new AnnouncementBoundDiscoveryService(aEndpoint)) {
var host = new ServiceHost(inst);
host.AddServiceEndpoint(dEndpoint);
host.Description.Behaviors.Find <ServiceDebugBehavior> ()
.IncludeExceptionDetailInFaults = true;
host.Open();
Console.WriteLine("Type [CR] to quit...");
Console.ReadLine();
host.Close();
}
}
protected internal override void InitializeFrom(ServiceEndpoint endpoint)
{
base.InitializeFrom(endpoint);
UdpDiscoveryEndpoint source = (UdpDiscoveryEndpoint)endpoint;
this.MaxResponseDelay = source.MaxResponseDelay;
this.DiscoveryMode = source.DiscoveryMode;
this.MulticastAddress = source.MulticastAddress;
#pragma warning disable 0618
this.TransportSettings.InitializeFrom(source.TransportSettings);
#pragma warning restore 0618
}
public HostDiscovery(Type type, TimeSpan Duration)
{
m_ContractType = type;
_udpDiscoveryEndpoint = new UdpDiscoveryEndpoint();
_lockObject = new object();
_managedMode = EnableDiscoveryManagedModeEnum.FALSE;
DiscoveryAdHoc();
m_FindDuration = Duration;
}
static void Main(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += discoveryClient_FindProgressChanged;
FindCriteria findCriteria = new FindCriteria();
findCriteria.Duration = TimeSpan.MaxValue;
findCriteria.MaxResults = int.MaxValue;
discoveryClient.FindAsync(findCriteria);
Console.ReadKey();
}
public HostDiscovery(Type type)
{
m_ContractType = type;
_udpDiscoveryEndpoint = new UdpDiscoveryEndpoint();
_lockObject = new object();
_managedMode = EnableDiscoveryManagedModeEnum.FALSE;
DiscoveryAdHoc();
// Change the Default Duration from 20 seconds to 5 Seconds
m_FindDuration = new TimeSpan(0, 0, 0, 5, 0);
}
public static void AddDiscovery(ServiceHost host, Type serviceType)
{
// Add a ServiceDiscoveryBehavior
host.Description.Behaviors.Add(new ServiceDiscoveryBehavior());
// Add a UdpDiscoveryEndpoint
var udpDiscoveryEndpoint = new UdpDiscoveryEndpoint();
host.AddServiceEndpoint(udpDiscoveryEndpoint);
// Add a discovery behavior for Meta Extensions
EndpointDiscoveryBehavior endpointDiscoveryBehavior = new EndpointDiscoveryBehavior();
endpointDiscoveryBehavior.Extensions.Add(GetLocalAddresses());
host.Description.Endpoints[0].Behaviors.Add(endpointDiscoveryBehavior);
}
static void Main(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += discoveryClient_FindProgressChanged;
FindCriteria findCriteria = new FindCriteria();
findCriteria.Duration = TimeSpan.MaxValue;
findCriteria.MaxResults = int.MaxValue;
// Edit: optionally specify contract type, ONVIF v1.0
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter",
"http://www.onvif.org/ver10/network/wsdl"));
discoveryClient.FindAsync(findCriteria);
Console.ReadKey();
}
public void DefaultValues()
{
var de = new UdpDiscoveryEndpoint();
Assert.AreEqual(DiscoveryVersion.WSDiscovery11, de.DiscoveryVersion, "#1");
Assert.AreEqual(ServiceDiscoveryMode.Adhoc, de.DiscoveryMode, "#2");
Assert.AreEqual(TimeSpan.FromMilliseconds(500), de.MaxResponseDelay, "#3");
var cd = de.Contract;
Assert.IsNotNull(cd, "#11");
Assert.IsNotNull(de.Binding, "#12");
TransportBindingElement tbe;
Assert.IsTrue(de.Binding.CreateBindingElements().Any(be => (tbe = be as TransportBindingElement) != null && tbe.Scheme == "soap.udp"), "#12-2");
Assert.IsNotNull(de.Address, "#13");
Assert.AreEqual(DiscoveryVersion.WSDiscovery11.AdhocAddress, de.Address.Uri, "#13-2");
Assert.AreEqual(Socket.SupportsIPv4 ? UdpDiscoveryEndpoint.DefaultIPv4MulticastAddress : UdpDiscoveryEndpoint.DefaultIPv6MulticastAddress, de.ListenUri, "#14");
}
public void Discover(int discoveryTimeOutMiliseconds, EventHandler <FindCompletedEventArgs> discoveryCompleted)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
FindCriteria findCriteria = new FindCriteria();
var contractTypeName = "NetworkVideoTransmitter";
var contractTypeNamespace = "http://www.onvif.org/ver10/network/wsdl";
// those parametes are defined by onvif standard
findCriteria.ContractTypeNames.Add(new XmlQualifiedName(contractTypeName, contractTypeNamespace));
var discoveryClient = new DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += discoveryClient_FindProgressChanged;
discoveryClient.FindCompleted += discoveryCompleted;
findCriteria.Duration = TimeSpan.FromMilliseconds(discoveryTimeOutMiliseconds);
findCriteria.MaxResults = int.MaxValue;
discoveryClient.FindAsync(findCriteria);
}
private void findServiceButton_Click(object sender, EventArgs e)
{
tracer.Verb("ScreenCastControl::findServiceButton_Click(...)");
//logger.Debug("findServiceButton_Click(...)");
if (!finding)
{
var udpDiscoveryEndpoint = new UdpDiscoveryEndpoint();
udpDiscoveryEndpoint.EndpointBehaviors.Add(new WcfDiscoveryAddressCustomEndpointBehavior());
if (discoveryClient == null)
{
discoveryClient = new DiscoveryClient(udpDiscoveryEndpoint);
discoveryClient.FindCompleted += DiscoveryClient_FindCompleted;
discoveryClient.FindProgressChanged += DiscoveryClient_FindProgressChanged;
}
var criteria = new FindCriteria(typeof(IScreenCastService));
criteria.Duration = TimeSpan.FromSeconds(5);
finding = true;
findServiceButton.Text = "_Cancel";
labelStatus.Text = "_Finding...";
connectButton.Enabled = false;
hostsComboBox.Enabled = false;
hostsComboBox.DataSource = null;
discoveryClient.FindAsync(criteria, this);
}
else
{
if (discoveryClient != null)
{
discoveryClient.CancelAsync(this);
discoveryClient.Close();
}
}
}
static void RunCodeUnderDiscoveryHost(Uri serviceUri, Uri dHostUri, Action <Uri, DiscoveryEndpoint> action)
{
var dEndpoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005, new Uri("soap.udp://239.255.255.250:3802/"));
var ib = new InspectionBehavior();
ib.RequestSending += delegate(ref Message msg, IClientChannel channel) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.WriteLine(mb.CreateMessage());
return(null);
};
ib.ReplyReceived += delegate(ref Message msg, object id) {
var mb = msg.CreateBufferedCopy(0x10000);
msg = mb.CreateMessage();
Console.WriteLine(mb.CreateMessage());
};
dEndpoint.Behaviors.Add(ib);
action(serviceUri, dEndpoint);
}
void _SearchONVIF()
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += discoveryClient_FindProgressChanged;
FindCriteria findCriteria = new FindCriteria
{
Duration = new TimeSpan(0, 0, 10),
MaxResults = int.MaxValue
};
// Edit: optionally specify contract type, ONVIF v1.0
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter",
"http://www.onvif.org/ver10/network/wsdl"));
discoveryClient.FindAsync(findCriteria);
comboBox1.Invoke(new Action(() => { comboBox1.Items.Clear(); }));
}
public static void Main(string[] args)
{
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
var discoveryClient = new System.ServiceModel.Discovery.DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += DiscoveryClient_FindProgressChanged;
var findCriteria = new FindCriteria
{
Duration = TimeSpan.FromSeconds(10),
MaxResults = int.MaxValue
};
findCriteria.ContractTypeNames.Add(new XmlQualifiedName("NetworkVideoTransmitter", @"http://www.onvif.org/ver10/network/wsdl"));
Console.WriteLine("Initiating find operation.");
var response = discoveryClient.Find(findCriteria);
Console.WriteLine($"Operation returned - Found {response.Endpoints.Count} endpoints.");
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("Discovering devices...");
var endPoint = new UdpDiscoveryEndpoint(DiscoveryVersion.WSDiscoveryApril2005);
FindCriteria findCriteria = new FindCriteria();
var contractTypeName = "NetworkVideoTransmitter";
var contractTypeNamespace = "http://www.onvif.org/ver10/network/wsdl";
// those parametes are defined by onvif standard
findCriteria.ContractTypeNames.Add(new XmlQualifiedName(contractTypeName, contractTypeNamespace));
var discoveryClient = new DiscoveryClient(endPoint);
discoveryClient.FindProgressChanged += discoveryClient_FindProgressChanged;
discoveryClient.FindCompleted += discoveryClient_FindCompleted;
findCriteria.Duration = TimeSpan.MaxValue;
findCriteria.MaxResults = int.MaxValue;
discoveryClient.FindAsync(findCriteria);
Console.ReadKey();
}
public HostDiscovery(Type type, TimeSpan Duration, EnableDiscoveryManagedModeEnum ManagedMode, string DiscoveryProxyUri)
{
m_ContractType = type;
_lockObject = new object();
_managedMode = ManagedMode;
if (ManagedMode == EnableDiscoveryManagedModeEnum.TRUE)
{
DiscoveryManaged(DiscoveryProxyUri);
}
else
{
_udpDiscoveryEndpoint = new UdpDiscoveryEndpoint();
DiscoveryAdHoc();
//if (ManagedMode == EnableDiscoveryManagedModeEnum.AUTO)
//{
// m_DiscoveryClient.ProxyAvailable += new EventHandler<AnnouncementEventArgs>(m_DiscoveryClient_ProxyAvailable);
//}
}
m_FindDuration = Duration;
}
public void Start(Type contractType, int refreshInterval, int maxResults)
{
if (running)
{
Console.WriteLine("Invalid state...");
return;
}
Task.Run(() =>
{
var udpDiscoveryEndpoint = new UdpDiscoveryEndpoint();
udpDiscoveryEndpoint.EndpointBehaviors.Add(new WcfDiscoveryAddressCustomEndpointBehavior());
DiscoveryClient discoveryClient = null;
try
{
discoveryClient = new DiscoveryClient(udpDiscoveryEndpoint);
var criteria = new FindCriteria(contractType);
criteria.Duration = TimeSpan.FromSeconds(refreshInterval);
criteria.MaxResults = maxResults;
//discoveryClient.FindAsync(criteria, this);
if (!running)
{
running = true;
}
while (running)
{
Console.WriteLine("discoveryClient.Find(...) BEGIN");
var result = discoveryClient.Find(criteria);
if (result != null)
{
List <ScreenCastServiceInput> inputs = new List <ScreenCastServiceInput>();
//var endpoints = result.Endpoints;
//if (endpoints == null || endpoints.Count == 0)
//{
// Console.WriteLine("endpoints == null || endpoints.Count == 0");
// continue;
//}
foreach (var ep in result.Endpoints)
{
string address = ep.Address.ToString();
string hostName = address;
var extensions = ep.Extensions;
if (extensions != null && extensions.Count > 0)
{
var hostElement = extensions.FirstOrDefault(el => el.Name == "HostName");
if (hostElement != null)
{
hostName = hostElement.Value; // + " {" + address + "}";
}
}
var input = new ScreenCastServiceInput
{
HostName = hostName,
Address = address,
};
inputs.Add(input);
//Console.WriteLine(hostName + " " + address);
}
InputsUpdated?.Invoke(inputs);
}
Console.WriteLine("discoveryClient.Find(...) END");
}
}
finally
{
if (discoveryClient != null)
{
discoveryClient.Close();
discoveryClient = null;
}
}
});
}
private void findServiceButton_Click(object sender, EventArgs e)
{
logger.Debug("\nFinding IRemoteDesktopService...");
var udpDiscoveryEndpoint = new UdpDiscoveryEndpoint();
udpDiscoveryEndpoint.EndpointBehaviors.Add(new WcfDiscoveryAddressCustomEndpointBehavior());
DiscoveryClient discoveryClient = new DiscoveryClient(udpDiscoveryEndpoint);
var criteria = new FindCriteria(typeof(IRemoteDesktopService));
criteria.Duration = TimeSpan.FromSeconds(5);
ProgressForm progress = new ProgressForm
{
StartPosition = FormStartPosition.CenterParent,
};
List <ComboBoxItem> hostItems = new List <ComboBoxItem>();
discoveryClient.FindCompleted += (o, a) =>
{
logger.Debug("FindCompleted(...)");
if (a.Cancelled)
{
logger.Debug("Cancelled");
}
if (a.Error != null)
{
logger.Debug(a.Error.ToString());
}
if (!a.Cancelled)
{
var result = a.Result;
if (result != null)
{
foreach (var ep in result.Endpoints)
{
string address = ep.Address.ToString();
string hostName = address;
var extensions = ep.Extensions;
if (extensions != null && extensions.Count > 0)
{
var hostElement = extensions.FirstOrDefault(el => el.Name == "HostName");
if (hostElement != null)
{
hostName = hostElement.Value; // + " {" + address + "}";
}
}
logger.Debug(hostName);
hostItems.Add(new ComboBoxItem
{
Name = hostName,
Tag = address,
});
}
}
}
hostsComboBox.DataSource = hostItems;
hostsComboBox.DisplayMember = "Name";
progress.Close();
};
discoveryClient.FindProgressChanged += (o, a) =>
{
logger.Debug("FindProgressChanged(...) " + a.EndpointDiscoveryMetadata.Address.ToString());
};
progress.Shown += (o, a) =>
{
discoveryClient.FindAsync(criteria, this);
};
progress.FormClosed += (o, a) =>
{
logger.Debug("FormClosed(...)");
if (discoveryClient != null)
{
discoveryClient.CancelAsync(this);
discoveryClient.Close();
}
};
progress.ShowDialog();
}
protected internal override ServiceEndpoint CreateServiceEndpoint (ContractDescription contractDescription)
{
if (contractDescription == null)
throw new ArgumentNullException ("contractDescription");
DiscoveryVersion ver = null;
switch (contractDescription.ContractType.Namespace) {
case DiscoveryVersion.Namespace11:
ver = DiscoveryVersion.WSDiscovery11;
break;
case DiscoveryVersion.NamespaceApril2005:
ver = DiscoveryVersion.WSDiscoveryApril2005;
break;
case DiscoveryVersion.NamespaceCD1:
ver = DiscoveryVersion.WSDiscoveryCD1;
break;
}
var ret = new UdpDiscoveryEndpoint (ver, MulticastAddress);
ret.MaxResponseDelay = MaxResponseDelay;
TransportSettings.ApplyConfiguration (ret.TransportSettings);
return ret;
}
