Metadata() protected méthode

Metadata action.
Will be called when the device stack receives an invocation of the Metadata action for the owning device. Must be implemented iff EnableActionMetadata was called.
protected Metadata ( IDvInvocation aInvocation, string &aValue ) : void
aInvocation IDvInvocation Interface allowing querying of aspects of this particular action invocation.
aValue string
Résultat void
DvProviderAvOpenhomeOrgSender1 Class Documentation
Exemple #1
0
        private static int DoMetadata(IntPtr aPtr, IntPtr aInvocation)
        {
            GCHandle gch = GCHandle.FromIntPtr(aPtr);
            DvProviderAvOpenhomeOrgSender1 self = (DvProviderAvOpenhomeOrgSender1)gch.Target;
            DvInvocation invocation             = new DvInvocation(aInvocation);
            string       value;

            try
            {
                invocation.ReadStart();
                invocation.ReadEnd();
                self.Metadata(invocation, out value);
            }
            catch (ActionError e)
            {
                invocation.ReportActionError(e, "Metadata");
                return(-1);
            }
            catch (PropertyUpdateError)
            {
                invocation.ReportError(501, String.Format("Invalid value for property {0}", new object[] { "Metadata" }));
                return(-1);
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine("WARNING: unexpected exception {0} thrown by {1}", new object[] { e, "Metadata" });
                System.Diagnostics.Debug.WriteLine("         Only ActionError or PropertyUpdateError should be thrown by actions");
                return(-1);
            }
            try
            {
                invocation.WriteStart();
                invocation.WriteString("Value", value);
                invocation.WriteEnd();
            }
            catch (ActionError)
            {
                return(-1);
            }
            catch (System.Exception e)
            {
                System.Diagnostics.Debug.WriteLine("WARNING: unexpected exception {0} thrown by {1}", new object[] { e, "Metadata" });
                System.Diagnostics.Debug.WriteLine("       Only ActionError can be thrown by action response writer");
            }
            return(0);
        }
Exemple #2
0
        private static int DoMetadata(IntPtr aPtr, IntPtr aInvocation)
        {
            GCHandle gch = GCHandle.FromIntPtr(aPtr);
            DvProviderAvOpenhomeOrgSender1 self = (DvProviderAvOpenhomeOrgSender1)gch.Target;
            DvInvocation invocation             = new DvInvocation(aInvocation);
            string       value;

            try
            {
                invocation.ReadStart();
                invocation.ReadEnd();
                self.Metadata(invocation, out value);
            }
            catch (ActionError e)
            {
                invocation.ReportActionError(e, "Metadata");
                return(-1);
            }
            catch (PropertyUpdateError)
            {
                invocation.ReportError(501, String.Format("Invalid value for property {0}", "Metadata"));
                return(-1);
            }
            catch (Exception e)
            {
                Console.WriteLine("WARNING: unexpected exception {0}(\"{1}\") thrown by {2} in {3}", e.GetType(), e.Message, "Metadata", e.TargetSite.Name);
                Console.WriteLine("         Only ActionError or PropertyUpdateError should be thrown by actions");
                return(-1);
            }
            try
            {
                invocation.WriteStart();
                invocation.WriteString("Value", value);
                invocation.WriteEnd();
            }
            catch (ActionError)
            {
                return(-1);
            }
            catch (System.Exception e)
            {
                Console.WriteLine("ERROR: unexpected exception {0}(\"{1}\") thrown by {2} in {3}", e.GetType(), e.Message, "Metadata", e.TargetSite.Name);
                Console.WriteLine("       Only ActionError can be thrown by action response writer");
            }
            return(0);
        }