vnx.opc_ua.Server¶
Module¶
The vnx.opc_ua.Server module provides a OPC-UA server to interface with the running process.
Depending on the configuration different modules and topics are offered on the OPC-UA interface.
Options¶
-
uint
port
= 4840¶ The port number the server binds to.
-
set<string>
export_services
¶ List of modues to offer on the OPC-UA interface as objects.
-
set<string>
export_topics
¶ List of topics to offer on the OPC-UA interface as variables.
-
string
certificate_file
¶ Optional path to a server certificate file (DER format).
-
string
private_key_file
= ""¶ Optional path to a server private key file (DER format).
-
string application_uri = "urn:open62541.server.application";
Must match the URI in the certificate.
-
vector<string>
trust_list
¶ Client certificate trust files (CRL format). This only has an effect if a server certificate is configured. If the list is empty, any certificate is accepted.
-
bool
allow_anonymous_access
= true¶ Allow access without authentication.
-
bool
add_insecure_discovery
= true¶ Allow discovery with security policy
NONE
even if not configured. This is necessary if you want a secure server (i.e. noNONE
policy) that can still be discovered by a client. If security policyNONE
is configured, this option has no effect.
-
vector<security_policy_e>
security_policies
¶ A list of the security/encryption policies to provide. Most policies require a certificate and a private key. See vnx.opc_ua.security_policy_e
-
bool
use_authentication
= false¶ If to require authentication from clients. (Not implemented yet)
-
string
default_access
= "DEFAULT"¶ Default access level for anonymous clients, see User Management. Only if use_authentication = true, otherwise there are no restrictions, ie. full permissions to any user.