public byte[] BuildHello(
string[] scopes, string types, XmlQualifiedName[] typesNamespaces, string[] xAddrs, uint metadataVersion)
{
WSD.HelloType hello = new WSD.HelloType();
// Scopes
hello.Scopes = BuildScopes(scopes, null);
// Types
hello.Types = types;
// EndpointReference
hello.EndpointReference = BuildEndpointReference();
//hello.EndpointReference = new WSD.EndpointReferenceType();
// XAddrs
hello.XAddrs = BuildXAddrs(xAddrs);
// MetadataVersion
hello.MetadataVersion = metadataVersion;
byte[] msg = SoapBuilder.BuildMessage(
hello, Encoding.UTF8, new DiscoveryHeaderBuilder(), new XmlSerializerNamespaces(typesNamespaces));
return(msg);
}
/// <summary>
/// Validates incoming Hello message
/// </summary>
/// <param name="message">Hello message</param>
/// <param name="reason">reason why message is invalid, null if message is valid</param>
/// <returns>true, if message is valid</returns>
protected bool ValidateHelloMessage(SoapMessage <WSD.HelloType> message, string[] scopes, out string reason)
{
bool res = true;
reason = null;
try
{
//check Types namespace
WSD.HelloType hello = message.Object;
if (hello.Types == null)
{
reason = Resources.ErrorNoTypes_Text;
return(false);
}
if (!DiscoveryUtils.CheckDeviceHelloType(message, out reason))
{
return(false);
}
if (hello.EndpointReference == null)
{
reason = Resources.ErrorNoEndpointReference_Text;
return(false);
}
if (hello.Scopes == null)
{
reason = Resources.ErrorNoScopes_Text;
return(false);
}
if (hello.Scopes.Text == null)
{
reason = Resources.ErrorNoScopesText_Text;
return(false);
}
//check mandatory scopes
string missingScope = DiscoveryUtils.GetMissingMandatoryScope(hello.Scopes.Text);
if (!string.IsNullOrEmpty(missingScope))
{
reason = string.Format(Resources.ErrorMissingMandatoryScope_Format, missingScope);
return(false);
}
//check optional scopes
if (scopes != null)
{
missingScope = DiscoveryUtils.GetMissingScope(hello.Scopes.Text, scopes);
if (!string.IsNullOrEmpty(missingScope))
{
reason = string.Format(Resources.ErrorMissingScope_Format, missingScope);
return(false);
}
}
}
catch (Exception e)
{
reason = e.Message;
res = false;
}
return(res);
}
public static string GetDeviceId(WSD.HelloType hello)
{
string id = string.Empty;
if ((hello != null) &&
(hello.EndpointReference != null) &&
(hello.EndpointReference.Address != null))
{
id = hello.EndpointReference.Address.Value;
}
return(id);
}
public void SendHello()
{
WSD.HelloType hello = new WSD.HelloType();
XmlSerializerNamespaces namespaces = new XmlSerializerNamespaces();
namespaces.Add("dn", DiscoveryUtils.ONVIF_NETWORK_WSDL_URL);
hello.EndpointReference = new WSD.EndpointReferenceType();
hello.EndpointReference.Address = new WSD.AttributedURI();
hello.EndpointReference.Address.Value = _uuid;
hello.Types = "dn:NetworkVideoTransmitter";
hello.Scopes = new WSD.ScopesType();
hello.Scopes.Text = _scopes;
hello.XAddrs = ServiceAddress;
byte[] data = SoapBuilder.BuildMessage(hello, Encoding.UTF8, new DiscoveryHeaderBuilder(), namespaces);
Send(data);
}
