Class: OPCUA::Server::ObjectNode

Inherits:
Node
  • Object
show all
Defined in:
lib/opcua/server.rb,
ext/opcua/server/server.c

Instance Method Summary collapse

Methods inherited from Node

#description, #description=, #exists?, #id, #name, #to_s

Instance Method Details

#delete! ⇒ Object

{{{



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# File 'ext/opcua/server/server.c', line 847

static VALUE node_delete(VALUE self) { //{{{
  node_struct *ns;

  Data_Get_Struct(self, node_struct, ns);
  if (!ns->exists) rb_raise(rb_eRuntimeError, "Node does not exist anymore.");

  UA_StatusCode retval = UA_Server_deleteNode(ns->master->master, ns->id, true);

  if (retval == UA_STATUSCODE_GOOD) {
    ns->exists = false;
    return Qtrue;
  }

  return Qfalse;
}

#find(qname) ⇒ Object

{{{



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# File 'ext/opcua/server/server.c', line 719

def find(*what)
  if what.length == 0
    nil
  elsif what.length == 1
    find_one what[0]
  else
    what.map{|e| find_one e}
  end
end

#find_one ⇒ Object 



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# File 'lib/opcua/server.rb', line 23

alias_method :find_one, :find

#manifest(name, parent) ⇒ Object

{{{



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# File 'ext/opcua/server/server.c', line 685

static VALUE node_manifest(VALUE self, VALUE name, VALUE parent) { //{{{
  node_struct *ns;
  node_struct *ts;

  if (!(rb_obj_is_kind_of(parent,cTypeTopNode) || rb_obj_is_kind_of(parent,cTypeSubNode))) {
    rb_raise(rb_eArgError, "argument 2 has to be a type.");
  }

  Data_Get_Struct(self, node_struct, ns);
  if (!ns->exists) rb_raise(rb_eRuntimeError, "Node does not exist anymore.");
  Data_Get_Struct(parent, node_struct, ts);
  if (!ns->exists) rb_raise(rb_eRuntimeError, "Target node does not exist anymore.");

  VALUE str = rb_obj_as_string(name);
  if (NIL_P(str) || TYPE(str) != T_STRING)
    rb_raise(rb_eTypeError, "cannot convert obj to string");
  char *nstr = (char *)StringValuePtr(str);

  char *nidstr = strnautocat(NULL,"",1);
  if (ns->id.identifierType == UA_NODEIDTYPE_STRING) {
    nidstr = strnautocat(nidstr,(char *)ns->id.identifier.string.data,ns->id.identifier.string.length);
    nidstr = strnautocat(nidstr,"/",1);
  }
  nidstr = strnautocat(nidstr,nstr,strlen(nstr));

  UA_NodeId n = UA_NODEID_STRING(ns->master->default_ns, nidstr);
  node_struct *ret = node_alloc(ns->master,n);
  node_struct *handle[2] = { ts, ret };

  node_add_object_ua_rec(n,UA_LOCALIZEDTEXT("en-US", nstr),UA_QUALIFIEDNAME(ns->master->default_ns, nstr),ns,ts,ts->id,node_manifest_iter,(void *)handle);

  return Data_Wrap_Struct(CLASS_OF(self), node_mark, node_free, ret);
}