dnp3

Nov 14, 2026

Changes in this version

+ type ClientMetrics interface

+ OnLateResponse func(remote net.Addr, fc app.FunctionCode)

+ OnTaskDropped func(name string)

Oct 20, 2026

Changes in this version

+ const IINErrorBits

+ var ErrAuthentication = errors.New("dnp3: authentication failed")

+ var ErrBusy = errors.New("dnp3: too many pending requests")

+ var ErrClosed = errors.New("dnp3: closed")

+ var ErrConnectFailed = errors.New("dnp3: connect failed")

+ var ErrConnectionLost = errors.New("dnp3: connection lost")

+ var ErrInvalidOption = errors.New("dnp3: invalid option")

+ var ErrNotConnected = errors.New("dnp3: not connected")

+ var ErrProtocol = errors.New("dnp3: protocol violation")

+ var ErrTimeout = errors.New("dnp3: timeout")

+ type AuthError struct

+ Code app.AuthErrorCode

+ Text string

+ User uint16

+ func (e *AuthError) Error() string

+ func (e *AuthError) Is(target error) bool

+ type CommandError struct

+ GV app.GroupVariation

+ Index uint32

+ Status app.CommandStatus

+ func (e *CommandError) Error() string

+ type ContextLogger interface

+ DebugContext func(ctx context.Context, msg string, keysAndValues ...any)

+ ErrorContext func(ctx context.Context, msg string, keysAndValues ...any)

+ InfoContext func(ctx context.Context, msg string, keysAndValues ...any)

+ WarnContext func(ctx context.Context, msg string, keysAndValues ...any)

+ type FieldLogger interface

+ DebugKV func(msg string, keysAndValues ...any)

+ ErrorKV func(msg string, keysAndValues ...any)

+ InfoKV func(msg string, keysAndValues ...any)

+ WarnKV func(msg string, keysAndValues ...any)

+ With func(keysAndValues ...any) FieldLogger

+ func NewSlogFieldLogger(h slog.Handler) FieldLogger

+ type FileError struct

+ Op string

+ Status app.FileStatus

+ Text string

+ func (e *FileError) Error() string

+ type IINError struct

+ Function app.FunctionCode

+ IIN app.IIN

+ func (e *IINError) Error() string

+ type Logger interface

+ Debugf func(format string, args ...any)

+ Errorf func(format string, args ...any)

+ Infof func(format string, args ...any)

+ Warnf func(format string, args ...any)

+ func NewSlogLogger(h slog.Handler) Logger

+ func NewStdLogger(l *log.Logger) Logger

+ func NopLogger() Logger

+ type Metrics interface

+ OnConnect func(remote net.Addr)

+ OnDecodeError func(remote net.Addr, err error)

+ OnDisconnect func(remote net.Addr, err error)

+ OnFragmentReceived func(remote net.Addr, f *app.Fragment, size int)

+ OnFragmentSent func(remote net.Addr, f *app.Fragment, size int)

+ OnFrameReceived func(remote net.Addr, f *link.Frame, size int)

+ OnFrameSent func(remote net.Addr, f *link.Frame, size int)

+ OnFramingError func(remote net.Addr, err error)

+ type NopMetrics struct

+ func (NopMetrics) OnConnect(net.Addr)

+ func (NopMetrics) OnDecodeError(net.Addr, error)

+ func (NopMetrics) OnDisconnect(net.Addr, error)

+ func (NopMetrics) OnFragmentReceived(net.Addr, *app.Fragment, int)

+ func (NopMetrics) OnFragmentSent(net.Addr, *app.Fragment, int)

+ func (NopMetrics) OnFrameReceived(net.Addr, *link.Frame, int)

+ func (NopMetrics) OnFrameSent(net.Addr, *link.Frame, int)

+ func (NopMetrics) OnFramingError(net.Addr, error)

+ type RequestMetrics interface

+ OnRequest func(remote net.Addr, outstation uint16, fc app.FunctionCode)

+ OnRequestDone func(remote net.Addr, outstation uint16, fc app.FunctionCode, ...)

+ OnRetry func(remote net.Addr, outstation uint16, fc app.FunctionCode, attempt int, ...)

+ type ServerMetrics interface

+ OnEventsDiscarded func(class int, n int)

+ OnHandled func(remote net.Addr, fc app.FunctionCode, duration time.Duration)

+ OnUnsolicited func(remote net.Addr, events int, err error)

+ type State uint8

+ const StateConnected

+ const StateConnecting

+ const StateDisconnected

+ func (s State) String() string