/// <summary>
/// Creates a new UA-binary transport channel if requested. Null otherwise.
/// </summary>
public static ITransportChannel CreateUaBinaryChannel(
ApplicationConfiguration configuration,
ITransportWaitingConnection connection,
EndpointDescription description,
EndpointConfiguration endpointConfiguration,
X509Certificate2 clientCertificate,
X509Certificate2Collection clientCertificateChain,
ServiceMessageContext messageContext)
{
bool useUaTcp = description.EndpointUrl.StartsWith(Utils.UriSchemeOpcTcp);
bool useHttps = description.EndpointUrl.StartsWith(Utils.UriSchemeHttps);
// initialize the channel which will be created with the server.
ITransportChannel channel = null;
if (useUaTcp)
{
channel = new TcpTransportChannel();
}
#if !NO_HTTPS
else if (useHttps)
{
channel = new HttpsTransportChannel();
}
#endif
if (channel == null)
{
throw ServiceResultException.Create(
StatusCodes.BadProtocolVersionUnsupported,
"Unsupported transport profile\r\n");
}
// create a UA channel.
var settings = new TransportChannelSettings {
Description = description,
Configuration = endpointConfiguration,
ClientCertificate = clientCertificate,
ClientCertificateChain = clientCertificateChain
};
if (description.ServerCertificate != null && description.ServerCertificate.Length > 0)
{
settings.ServerCertificate = Utils.ParseCertificateBlob(description.ServerCertificate);
}
if (configuration != null)
{
settings.CertificateValidator = configuration.CertificateValidator.GetChannelValidator();
}
settings.NamespaceUris = messageContext.NamespaceUris;
settings.Factory = messageContext.Factory;
channel.Initialize(connection, settings);
channel.Open();
return(channel);
}
/// <summary>
/// Creates a new UA-binary transport channel if requested. Null otherwise.
/// </summary>
public static ITransportChannel CreateUaBinaryChannel(
ApplicationConfiguration configuration,
ITransportWaitingConnection connection,
EndpointDescription description,
EndpointConfiguration endpointConfiguration,
X509Certificate2 clientCertificate,
X509Certificate2Collection clientCertificateChain,
IServiceMessageContext messageContext)
{
// initialize the channel which will be created with the server.
string uriScheme = new Uri(description.EndpointUrl).Scheme;
ITransportChannel channel = TransportBindings.Channels.GetChannel(uriScheme);
if (channel == null)
{
throw ServiceResultException.Create(
StatusCodes.BadProtocolVersionUnsupported,
"Unsupported transport profile for scheme {0}.", uriScheme);
}
// create a UA channel.
var settings = new TransportChannelSettings {
Description = description,
Configuration = endpointConfiguration,
ClientCertificate = clientCertificate,
ClientCertificateChain = clientCertificateChain
};
if (description.ServerCertificate != null && description.ServerCertificate.Length > 0)
{
settings.ServerCertificate = Utils.ParseCertificateBlob(description.ServerCertificate);
}
if (configuration != null)
{
settings.CertificateValidator = configuration.CertificateValidator.GetChannelValidator();
}
settings.NamespaceUris = messageContext.NamespaceUris;
settings.Factory = messageContext.Factory;
channel.Initialize(connection, settings);
channel.Open();
return(channel);
}
/// <summary>
/// Creates a new UA-binary transport channel if requested. Null otherwise.
/// </summary>
/// <param name="configuration">The application configuration.</param>
/// <param name="description">The description for the endpoint.</param>
/// <param name="endpointConfiguration">The configuration to use with the endpoint.</param>
/// <param name="clientCertificate">The client certificate.</param>
/// <param name="clientCertificateChain">The client certificate chain.</param>
/// <param name="messageContext">The message context to use when serializing the messages.</param>
/// <returns></returns>
public static ITransportChannel CreateUaBinaryChannel(
ApplicationConfiguration configuration,
EndpointDescription description,
EndpointConfiguration endpointConfiguration,
X509Certificate2 clientCertificate,
X509Certificate2Collection clientCertificateChain,
ServiceMessageContext messageContext)
{
bool useUaTcp = description.EndpointUrl.StartsWith(Utils.UriSchemeOpcTcp);
bool useHttps = description.EndpointUrl.StartsWith(Utils.UriSchemeHttps);
switch (description.TransportProfileUri)
{
case Profiles.UaTcpTransport:
{
useUaTcp = true;
break;
}
case Profiles.HttpsBinaryTransport:
{
useHttps = true;
break;
}
}
// note: WCF channels are not supported
if (!useUaTcp
#if !NO_HTTPS
&& !useHttps
#endif
)
{
throw ServiceResultException.Create(
StatusCodes.BadProtocolVersionUnsupported,
"Unsupported transport profile\r\n");
}
// initialize the channel which will be created with the server.
ITransportChannel channel = null;
// create a UA-TCP channel.
TransportChannelSettings settings = new TransportChannelSettings();
settings.Description = description;
settings.Configuration = endpointConfiguration;
settings.ClientCertificate = clientCertificate;
settings.ClientCertificateChain = clientCertificateChain;
if (description.ServerCertificate != null && description.ServerCertificate.Length > 0)
{
settings.ServerCertificate = Utils.ParseCertificateBlob(description.ServerCertificate);
}
if (configuration != null)
{
settings.CertificateValidator = configuration.CertificateValidator.GetChannelValidator();
}
settings.NamespaceUris = messageContext.NamespaceUris;
settings.Factory = messageContext.Factory;
if (useUaTcp)
{
if (g_CustomTransportChannel != null)
{
channel = g_CustomTransportChannel.Create();
}
else
{
channel = new TcpTransportChannel();
}
}
else if (useHttps)
{
#if !NO_HTTPS
channel = new HttpsTransportChannel();
#endif
}
channel.Initialize(new Uri(description.EndpointUrl), settings);
channel.Open();
return(channel);
}
/// <summary>
/// Creates a new UA-binary transport channel if requested. Null otherwise.
/// </summary>
/// <param name="configuration">The application configuration.</param>
/// <param name="description">The description for the endpoint.</param>
/// <param name="endpointConfiguration">The configuration to use with the endpoint.</param>
/// <param name="clientCertificate">The client certificate.</param>
/// <param name="messageContext">The message context to use when serializing the messages.</param>
/// <returns></returns>
public static ITransportChannel CreateUaBinaryChannel(
ApplicationConfiguration configuration,
EndpointDescription description,
EndpointConfiguration endpointConfiguration,
X509Certificate2 clientCertificate,
ServiceMessageContext messageContext)
{
// check if the server if configured to use the ANSI C stack.
bool useUaTcp = description.EndpointUrl.StartsWith(Utils.UriSchemeOpcTcp);
bool useHttps = description.EndpointUrl.StartsWith(Utils.UriSchemeHttps);
bool useAnsiCStack = false;
switch (description.TransportProfileUri)
{
case Profiles.UaTcpTransport:
{
useUaTcp = true;
if (configuration != null)
{
useAnsiCStack = configuration.UseNativeStack;
}
break;
}
case Profiles.HttpsXmlTransport:
case Profiles.HttpsBinaryTransport:
case Profiles.HttpsXmlOrBinaryTransport:
{
useHttps = true;
break;
}
}
// note: WCF channels are not supported
if (!useUaTcp && !useHttps)
{
throw ServiceResultException.Create(
StatusCodes.BadServiceUnsupported,
"Unsupported transport profile\r\n");
}
// initialize the channel which will be created with the server.
ITransportChannel channel = null;
// create a UA-TCP channel.
TransportChannelSettings settings = new TransportChannelSettings();
settings.Description = description;
settings.Configuration = endpointConfiguration;
settings.ClientCertificate = clientCertificate;
if (description.ServerCertificate != null && description.ServerCertificate.Length > 0)
{
settings.ServerCertificate = Utils.ParseCertificateBlob(description.ServerCertificate);
}
if (configuration != null)
{
settings.CertificateValidator = configuration.CertificateValidator.GetChannelValidator();
}
settings.NamespaceUris = messageContext.NamespaceUris;
settings.Factory = messageContext.Factory;
if (useUaTcp)
{
Type type = null;
if (useAnsiCStack)
{
type = Type.GetType("Opc.Ua.NativeStack.NativeStackChannel,Opc.Ua.NativeStackWrapper");
}
if (useAnsiCStack && type != null)
{
channel = (ITransportChannel)Activator.CreateInstance(type);
}
else
{
channel = new Opc.Ua.Bindings.TcpTransportChannel();
}
}
else if (useHttps)
{
channel = new Opc.Ua.Bindings.HttpsTransportChannel();
}
channel.Initialize(new Uri(description.EndpointUrl), settings);
channel.Open();
return(channel);
}
