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session_manager.go
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session_manager.go
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package server
import (
"context"
"log"
"sync"
"time"
"github.com/awcullen/opcua/ua"
"github.com/google/uuid"
)
// SessionManager manages the sessions for a server.
type SessionManager struct {
sync.RWMutex
server *Server
sessionsByToken map[ua.NodeID]*Session
}
// NewSessionManager instantiates a new SessionManager.
func NewSessionManager(server *Server) *SessionManager {
m := &SessionManager{server: server, sessionsByToken: make(map[ua.NodeID]*Session)}
go func(m *SessionManager) {
ticker := time.NewTicker(60 * time.Second)
defer ticker.Stop()
for {
select {
case <-ticker.C:
m.checkForExpiredSessions()
case <-m.server.closing:
return
}
}
}(m)
return m
}
// Get a session from the server by authenticationToken.
func (m *SessionManager) Get(authenticationToken ua.NodeID) (*Session, bool) {
m.RLock()
defer m.RUnlock()
s, ok := m.sessionsByToken[authenticationToken]
if !ok {
return nil, false
}
s.SetLastAccess(time.Now())
return s, ok
}
// Add a session to the server.
func (m *SessionManager) Add(s *Session) error {
m.Lock()
defer m.Unlock()
if maxSessionCount := m.server.MaxSessionCount(); maxSessionCount > 0 && len(m.sessionsByToken) >= int(maxSessionCount) {
return ua.BadTooManySessions
}
m.sessionsByToken[s.authenticationToken] = s
if m.server.serverDiagnostics {
m.addDiagnosticsNode(s)
m.server.serverDiagnosticsSummary.CumulatedSessionCount++
m.server.serverDiagnosticsSummary.CurrentSessionCount = uint32(len(m.sessionsByToken))
}
return nil
}
// Delete the session from the server.
func (m *SessionManager) Delete(s *Session) {
m.Lock()
defer m.Unlock()
delete(m.sessionsByToken, s.authenticationToken)
if m.server.serverDiagnostics {
m.removeDiagnosticsNode(s)
m.server.serverDiagnosticsSummary.CurrentSessionCount = uint32(len(m.sessionsByToken))
}
s.delete()
}
// Len returns the number of sessions.
func (m *SessionManager) Len() int {
m.RLock()
defer m.RUnlock()
return len(m.sessionsByToken)
}
func (m *SessionManager) checkForExpiredSessions() {
m.Lock()
defer m.Unlock()
for k, s := range m.sessionsByToken {
if s.IsExpired() {
delete(m.sessionsByToken, k)
if m.server.serverDiagnostics {
m.server.Lock()
m.server.serverDiagnosticsSummary.SessionTimeoutCount++
m.server.serverDiagnosticsSummary.CurrentSessionCount = uint32(len(m.sessionsByToken))
m.server.Unlock()
}
s.delete()
}
}
}
func (m *SessionManager) addDiagnosticsNode(s *Session) {
srv := m.server
nm := srv.NamespaceManager()
nodes := []Node{}
sessionDiagnosticsObject := NewObjectNode(
s.sessionId,
ua.NewQualifiedName(1, s.sessionName),
ua.NewLocalizedText(s.sessionName, ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.ObjectTypeIDSessionDiagnosticsObjectType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(ua.ObjectIDServerServerDiagnosticsSessionsDiagnosticsSummary)),
},
byte(0),
)
nodes = append(nodes, sessionDiagnosticsObject)
sessionDiagnosticsVariable := NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "SessionDiagnostics"),
ua.NewLocalizedText("SessionDiagnostics", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDSessionDiagnosticsVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsObject.NodeID())),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(ua.VariableIDServerServerDiagnosticsSessionsDiagnosticsSummarySessionDiagnosticsArray)),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDSessionDiagnosticsDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
sessionDiagnosticsVariable.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
subCount := 0
itemCount := 0
subs := srv.subscriptionManager.GetBySession(s)
subCount = len(subs)
for _, sub := range subs {
itemCount += len(sub.items)
}
return ua.NewDataValue(ua.SessionDiagnosticsDataType{
SessionID: s.sessionId,
SessionName: s.sessionName,
ClientDescription: s.clientDescription,
ServerURI: s.serverUri,
EndpointURL: s.endpointUrl,
LocaleIDs: s.localeIds,
ActualSessionTimeout: float64(s.timeout.Nanoseconds() / 1000000),
MaxResponseMessageSize: s.maxResponseMessageSize,
ClientConnectionTime: s.timeCreated,
ClientLastContactTime: s.lastAccess,
CurrentSubscriptionsCount: uint32(subCount),
CurrentMonitoredItemsCount: uint32(itemCount),
CurrentPublishRequestsInQueue: uint32(len(s.publishRequests)),
TotalRequestCount: ua.ServiceCounterDataType{TotalCount: s.requestCount, ErrorCount: s.errorCount},
UnauthorizedRequestCount: s.unauthorizedRequestCount,
ReadCount: ua.ServiceCounterDataType{TotalCount: s.readCount, ErrorCount: s.readErrorCount},
HistoryReadCount: ua.ServiceCounterDataType{TotalCount: s.historyReadCount, ErrorCount: s.historyReadErrorCount},
WriteCount: ua.ServiceCounterDataType{TotalCount: s.writeCount, ErrorCount: s.writeErrorCount},
HistoryUpdateCount: ua.ServiceCounterDataType{TotalCount: s.historyUpdateCount, ErrorCount: s.historyUpdateErrorCount},
CallCount: ua.ServiceCounterDataType{TotalCount: s.callCount, ErrorCount: s.callErrorCount},
CreateMonitoredItemsCount: ua.ServiceCounterDataType{TotalCount: s.createMonitoredItemsCount, ErrorCount: s.createMonitoredItemsErrorCount},
ModifyMonitoredItemsCount: ua.ServiceCounterDataType{TotalCount: s.modifyMonitoredItemsCount, ErrorCount: s.modifyMonitoredItemsErrorCount},
SetMonitoringModeCount: ua.ServiceCounterDataType{TotalCount: s.setMonitoringModeCount, ErrorCount: s.setMonitoringModeErrorCount},
SetTriggeringCount: ua.ServiceCounterDataType{TotalCount: s.setTriggeringCount, ErrorCount: s.setTriggeringErrorCount},
DeleteMonitoredItemsCount: ua.ServiceCounterDataType{TotalCount: s.deleteMonitoredItemsCount, ErrorCount: s.deleteMonitoredItemsErrorCount},
CreateSubscriptionCount: ua.ServiceCounterDataType{TotalCount: s.createSubscriptionCount, ErrorCount: s.createSubscriptionErrorCount},
ModifySubscriptionCount: ua.ServiceCounterDataType{TotalCount: s.modifySubscriptionCount, ErrorCount: s.modifySubscriptionErrorCount},
SetPublishingModeCount: ua.ServiceCounterDataType{TotalCount: s.setPublishingModeCount, ErrorCount: s.setPublishingModeErrorCount},
PublishCount: ua.ServiceCounterDataType{TotalCount: s.publishCount, ErrorCount: s.publishErrorCount},
RepublishCount: ua.ServiceCounterDataType{TotalCount: s.republishCount, ErrorCount: s.republishErrorCount},
TransferSubscriptionsCount: ua.ServiceCounterDataType{TotalCount: s.transferSubscriptionsCount, ErrorCount: s.transferSubscriptionsErrorCount},
DeleteSubscriptionsCount: ua.ServiceCounterDataType{TotalCount: s.deleteSubscriptionsCount, ErrorCount: s.deleteSubscriptionsErrorCount},
AddNodesCount: ua.ServiceCounterDataType{TotalCount: s.addNodesCount, ErrorCount: s.addNodesErrorCount},
AddReferencesCount: ua.ServiceCounterDataType{TotalCount: s.addReferencesCount, ErrorCount: s.addReferencesErrorCount},
DeleteNodesCount: ua.ServiceCounterDataType{TotalCount: s.deleteNodesCount, ErrorCount: s.deleteNodesErrorCount},
DeleteReferencesCount: ua.ServiceCounterDataType{TotalCount: s.deleteReferencesCount, ErrorCount: s.deleteReferencesErrorCount},
BrowseCount: ua.ServiceCounterDataType{TotalCount: s.browseCount, ErrorCount: s.browseErrorCount},
BrowseNextCount: ua.ServiceCounterDataType{TotalCount: s.browseNextCount, ErrorCount: s.browseNextErrorCount},
TranslateBrowsePathsToNodeIDsCount: ua.ServiceCounterDataType{TotalCount: s.translateBrowsePathsToNodeIdsCount, ErrorCount: s.translateBrowsePathsToNodeIdsErrorCount},
QueryFirstCount: ua.ServiceCounterDataType{TotalCount: s.queryFirstCount, ErrorCount: s.queryFirstErrorCount},
QueryNextCount: ua.ServiceCounterDataType{TotalCount: s.queryNextCount, ErrorCount: s.queryNextErrorCount},
RegisterNodesCount: ua.ServiceCounterDataType{TotalCount: s.registerNodesCount, ErrorCount: s.registerNodesErrorCount},
UnregisterNodesCount: ua.ServiceCounterDataType{TotalCount: s.unregisterNodesCount, ErrorCount: s.unregisterNodesErrorCount},
}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, sessionDiagnosticsVariable)
n := NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "SessionId"),
ua.NewLocalizedText("SessionId", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDNodeID,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.sessionId, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "SessionName"),
ua.NewLocalizedText("SessionName", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDString,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.sessionName, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ClientDescription"),
ua.NewLocalizedText("ClientDescription", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.clientDescription, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ServerUri"),
ua.NewLocalizedText("ServerUri", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDString,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.serverUri, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "EndpointUrl"),
ua.NewLocalizedText("EndpointUrl", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDString,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.endpointUrl, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "LocaleIds"),
ua.NewLocalizedText("LocaleIds", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDString,
ua.ValueRankOneDimension,
[]uint32{0},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.localeIds, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ActualSessionTimeout"),
ua.NewLocalizedText("ActualSessionTimeout", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDDouble,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(float64(s.timeout.Nanoseconds()/1000000), 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "MaxResponseMessageSize"),
ua.NewLocalizedText("MaxResponseMessageSize", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDUInt32,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.maxResponseMessageSize, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ClientConnectionTime"),
ua.NewLocalizedText("ClientConnectionTime", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDDateTime,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.timeCreated, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ClientLastContactTime"),
ua.NewLocalizedText("ClientLastContactTime", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDDateTime,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.lastAccess, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "CurrentSubscriptionsCount"),
ua.NewLocalizedText("CurrentSubscriptionsCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDUInt32,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(uint32(len(srv.subscriptionManager.GetBySession(s))), 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "CurrentMonitoredItemsCount"),
ua.NewLocalizedText("CurrentMonitoredItemsCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDUInt32,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
itemCount := 0
subs := srv.subscriptionManager.GetBySession(s)
for _, sub := range subs {
itemCount += len(sub.items)
}
return ua.NewDataValue(uint32(itemCount), 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "CurrentPublishRequestsInQueue"),
ua.NewLocalizedText("CurrentPublishRequestsInQueue", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDUInt32,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(uint32(len(s.publishRequests)), 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "TotalRequestCount"),
ua.NewLocalizedText("TotalRequestCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.requestCount, ErrorCount: s.errorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "UnauthorizedRequestCount"),
ua.NewLocalizedText("UnauthorizedRequestCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDUInt32,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(s.unauthorizedRequestCount, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ReadCount"),
ua.NewLocalizedText("ReadCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.readCount, ErrorCount: s.readErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "HistoryReadCount"),
ua.NewLocalizedText("HistoryReadCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.historyReadCount, ErrorCount: s.historyReadErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "WriteCount"),
ua.NewLocalizedText("WriteCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.writeCount, ErrorCount: s.writeErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "HistoryUpdateCount"),
ua.NewLocalizedText("HistoryUpdateCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.historyUpdateCount, ErrorCount: s.historyUpdateErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "CallCount"),
ua.NewLocalizedText("CallCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.callCount, ErrorCount: s.callErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "CreateMonitoredItemsCount"),
ua.NewLocalizedText("CreateMonitoredItemsCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.createMonitoredItemsCount, ErrorCount: s.createMonitoredItemsErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ModifyMonitoredItemsCount"),
ua.NewLocalizedText("ModifyMonitoredItemsCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.modifyMonitoredItemsCount, ErrorCount: s.modifyMonitoredItemsErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "SetMonitoringModeCount"),
ua.NewLocalizedText("SetMonitoringModeCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.setMonitoringModeCount, ErrorCount: s.setMonitoringModeErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "SetTriggeringCount"),
ua.NewLocalizedText("SetTriggeringCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.setTriggeringCount, ErrorCount: s.setTriggeringErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "DeleteMonitoredItemsCount"),
ua.NewLocalizedText("DeleteMonitoredItemsCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.deleteMonitoredItemsCount, ErrorCount: s.deleteMonitoredItemsErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "CreateSubscriptionCount"),
ua.NewLocalizedText("CreateSubscriptionCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.createSubscriptionCount, ErrorCount: s.createSubscriptionErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "ModifySubscriptionCount"),
ua.NewLocalizedText("ModifySubscriptionCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.modifySubscriptionCount, ErrorCount: s.modifySubscriptionErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "SetPublishingModeCount"),
ua.NewLocalizedText("SetPublishingModeCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.setPublishingModeCount, ErrorCount: s.setPublishingModeErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "PublishCount"),
ua.NewLocalizedText("PublishCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.publishCount, ErrorCount: s.publishErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "RepublishCount"),
ua.NewLocalizedText("RepublishCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.republishCount, ErrorCount: s.republishErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "TransferSubscriptionsCount"),
ua.NewLocalizedText("TransferSubscriptionsCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.transferSubscriptionsCount, ErrorCount: s.transferSubscriptionsErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "DeleteSubscriptionsCount"),
ua.NewLocalizedText("DeleteSubscriptionsCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.deleteSubscriptionsCount, ErrorCount: s.deleteSubscriptionsErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "AddNodesCount"),
ua.NewLocalizedText("AddNodesCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.addNodesCount, ErrorCount: s.addNodesErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "AddReferencesCount"),
ua.NewLocalizedText("AddReferencesCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.addReferencesCount, ErrorCount: s.addReferencesErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "DeleteNodesCount"),
ua.NewLocalizedText("DeleteNodesCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.deleteNodesCount, ErrorCount: s.deleteNodesErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "DeleteReferencesCount"),
ua.NewLocalizedText("DeleteReferencesCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),
ua.DataTypeIDBaseDataType,
ua.ValueRankScalar,
[]uint32{},
ua.AccessLevelsCurrentRead,
125,
false,
)
n.SetReadValueHandler(func(ctx context.Context, req ua.ReadValueID) ua.DataValue {
return ua.NewDataValue(ua.ServiceCounterDataType{TotalCount: s.deleteReferencesCount, ErrorCount: s.deleteReferencesErrorCount}, 0, time.Now(), 0, time.Now(), 0)
})
nodes = append(nodes, n)
n = NewVariableNode(
ua.NewNodeIDGUID(1, uuid.New()),
ua.NewQualifiedName(0, "BrowseCount"),
ua.NewLocalizedText("BrowseCount", ""),
ua.NewLocalizedText("", ""),
nil,
[]ua.Reference{
ua.NewReference(ua.ReferenceTypeIDHasTypeDefinition, false, ua.NewExpandedNodeID(ua.VariableTypeIDBaseDataVariableType)),
ua.NewReference(ua.ReferenceTypeIDHasComponent, true, ua.NewExpandedNodeID(sessionDiagnosticsVariable.NodeID())),
},
ua.NewDataValue(nil, ua.BadWaitingForInitialData, time.Now(), 0, time.Now(), 0),