do bitmask better, add (COMPLETELY 100% EXPERIMENTAL NOT DONE YET) eventlog support to logger

bitmask/bitmasks.go

@@ -0,0 +1,46 @@
+package bitmask
+
+// MaskBit is a flag container.
+type MaskBit uint8
+
+/*
+	NewMaskBit is a convenience function.
+	It will return a MaskBit with a (referenced) value of 0, so set your consts up accordingly.
+	It is highly recommended to set this default as a "None" flag (separate from your iotas!)
+	as shown in the example.
+*/
+func NewMaskBit() (m *MaskBit) {
+
+	m = new(MaskBit)
+
+	return
+}
+
+// HasFlag is true if m has MaskBit flag set/enabled.
+func (m *MaskBit) HasFlag(flag MaskBit) (r bool) {
+
+	var b MaskBit = *m
+
+	if b&flag != 0 {
+		r = true
+	}
+	return
+}
+
+// AddFlag adds MaskBit flag to m.
+func (m *MaskBit) AddFlag(flag MaskBit) {
+	*m |= flag
+	return
+}
+
+// ClearFlag removes MaskBit flag from m.
+func (m *MaskBit) ClearFlag(flag MaskBit) {
+	*m &= flag
+	return
+}
+
+// ToggleFlag switches MaskBit flag in m to its inverse; if true, it is now false and vice versa.
+func (m *MaskBit) ToggleFlag(flag MaskBit) {
+	*m ^= flag
+	return
+}

bitmask/doc.go

@@ -0,0 +1,45 @@
+/*
+Package bitmask handles a flag-like opt/bitmask system.
+
+See https://yourbasic.org/golang/bitmask-flag-set-clear/ for more information.
+
+To use this, set constants like thus:
+
+	package main
+
+	import (
+		"r00t2.io/goutils/bitmask"
+	)
+
+	const OPTNONE types.MaskBit = 0
+	const (
+		OPT1 types.MaskBit = 1 << iota
+		OPT2
+		OPT3
+		// ...
+	)
+
+	var MyMask *MaskBit
+
+	func main() {
+		MyMask = types.NewMaskBit
+
+		MyMask.AddFlag(OPT1)
+		MyMask.AddFlag(OPT3)
+
+		_ = MyMask
+	}
+
+This would return true:
+
+	MyMask.HasFlag(OPT1)
+
+As would this:
+
+	MyMask.HasFlag(OPT3)
+
+But this would return false:
+
+	MyMask.HasFlag(OPT2)
+*/
+package bitmask

logging/TODO

@@ -1,3 +1,11 @@
 - Implement code line/func/etc. (only for debug?):
   https://stackoverflow.com/a/24809646
   https://golang.org/pkg/runtime/#Caller
+
+- Support simultaneous writing to multiple Loggers.
+
+- Suport remote loggers? (eventlog, syslog, systemd)
+
+- DOCS.
+
+- Unit/Integration tests.

logging/consts.go

@@ -1,29 +1,11 @@
 package logging
 
 import (
-	`log/syslog`
 	`os`
-
-	`r00t2.io/goutils/types`
 )
 
 const (
-	devlog string = "/dev/log"
 	logPerm os.FileMode = 0600
 	logPrefix string = "GOLANG PROGRAM"
 	appendFlags int = os.O_APPEND|os.O_CREATE|os.O_WRONLY
-	syslogFacility syslog.Priority = syslog.LOG_USER
-)
-
-// Flags for logger configuration
-const (
-	LogUndefined types.MaskBit = 1 << iota
-	LogJournald
-	LogSyslog
-	LogFile
-	LogStdout
-)
-
-var (
-	defLogPaths = []string{"/var/log/golang/program.log", "~/.local/log/golang/program.log"}
 )

logging/consts_linux.go

@@ -0,0 +1,28 @@
+package logging
+
+import (
+	`log/syslog`
+
+	`r00t2.io/goutils/bitmask`
+)
+
+const (
+	devlog         string          = "/dev/log"
+	syslogFacility syslog.Priority = syslog.LOG_USER
+)
+
+// Flags for logger configuration
+const (
+	LogUndefined bitmask.MaskBit = 1 << iota
+	LogJournald
+	LogSyslog
+	LogFile
+	LogStdout
+)
+
+var (
+	defLogPaths = []string{
+		"/var/log/golang/program.log",
+		"~/.local/log/golang/program.log",
+	}
+)

logging/consts_windows.go

@@ -0,0 +1,48 @@
+package logging
+
+import (
+	`os`
+	`path/filepath`
+	`regexp`
+)
+
+// Flags for logger configuration
+const (
+	LogUndefined types.MaskBit = 1 << iota
+	LogWinLogger
+	LogFile
+	LogStdout
+)
+
+var (
+	defLogPaths = []string{
+		filepath.Join(os.Getenv("ALLUSERSPROFILE"), "golang", "program.log"),     // C:\ProgramData\log\golang\program.log
+		filepath.Join(os.Getenv("LOCALAPPDATA"), "log", "golang", "program.log"), // C:\Users\<username>\AppData\Local\log\golang\program.log
+	}
+)
+
+var ptrnSourceExists *regexp.Regexp = regexp.MustCompile(`registry\skey\salready\sexists$`)
+
+// Default WinEventID
+var DefaultEventID *WinEventID = &WinEventID{
+	Alert:   EventAlert,
+	Crit:    EventCrit,
+	Debug:   EventDebug,
+	Emerg:   EventEmerg,
+	Err:     EventErr,
+	Info:    EventInfo,
+	Notice:  EventNotice,
+	Warning: EventWarning,
+}
+
+// Default Event IDs for WinEventID.
+const (
+	EventAlert uint32 = 1 << iota
+	EventCrit
+	EventDebug
+	EventEmerg
+	EventErr
+	EventInfo
+	EventNotice
+	EventWarning
+)

logging/funcs.go

@@ -1,126 +1,9 @@
 package logging
 
 import (
-	native "log"
 	"os"
-	"path"
-
-	"r00t2.io/goutils/types"
-
-	sysd "github.com/coreos/go-systemd/journal"
-	"r00t2.io/sysutils/paths"
 )
 
-var (
-	_ = sysd.Enabled()
-	_ = native.Logger{}
-	_ = os.Interrupt
-)
-
-// GetLogger returns an instance of Logger that best suits your system's capabilities.
-// If enableDebug is true, debug messages (which according to your program may or may not contain sensitive data) are rendered and written.
-// If prefix is "\x00" (a null byte), then the default logging prefix will be used. If anything else, even an empty string,
-// 	is specified then that will be used instead for the prefix.
-// logpaths is an (optional) list of strings to use as paths to test for writing. If the file can be created/written to,
-// 	it will be used (assuming you have no higher-level loggers available). Only the first logpaths entry that "works" will be used, later entries will be ignored.
-func GetLogger(enableDebug bool, prefix string, logpaths ...string) (logger Logger, err error) {
-
-	var logPath string
-	var logflags types.MaskBit
-
-	// Configure system-supported logger(s).
-	if sysd.Enabled() {
-		// Use Journald.
-		logflags.AddFlag(LogJournald)
-	} else {
-		// If we can detect syslog, use that. If not, try to use a file logger (+ stdout).
-		// Last ditch, stdout.
-		var hasSyslog bool
-		var stat os.FileInfo
-		var devlogPath string = devlog
-
-		if hasSyslog, stat, err = paths.RealPathExistsStat(&devlogPath); hasSyslog && err != nil {
-			return
-		}
-
-		if hasSyslog && !stat.Mode().IsRegular() {
-			logflags.AddFlag(LogSyslog)
-		} else {
-			var exists bool
-			var success bool
-			var ckLogPaths []string
-			logflags.AddFlag(LogStdout)
-			ckLogPaths = defLogPaths
-			if logpaths != nil {
-				ckLogPaths = logpaths
-			}
-			for _, p := range ckLogPaths {
-				if exists, _ = paths.RealPathExists(&p); exists {
-					if success, err = testOpen(p); err != nil {
-						continue
-					} else if !success {
-						continue
-					}
-					logflags.AddFlag(LogFile)
-					logPath = p
-					break
-				} else {
-					dirPath := path.Dir(p)
-					if err = paths.MakeDirIfNotExist(&dirPath); err != nil {
-						continue
-					}
-					if success, err = testOpen(p); err != nil {
-						continue
-					} else if !success {
-						continue
-					}
-					logflags.AddFlag(LogFile)
-					logPath = p
-					break
-				}
-			}
-		}
-	}
-
-	if logflags.HasFlag(LogJournald) {
-		logger = &SystemDLogger{
-			Prefix:      logPrefix,
-			EnableDebug: enableDebug,
-		}
-	} else {
-		if logflags.HasFlag(LogSyslog) {
-			logger = &SyslogLogger{
-				Prefix:      logPrefix,
-				EnableDebug: enableDebug,
-			}
-		} else {
-			if logflags.HasFlag(LogFile) {
-				logger = &FileLogger{
-					StdLogger: StdLogger{
-						Prefix:      logPrefix,
-						EnableDebug: enableDebug,
-					},
-					Path: logPath,
-				}
-			} else {
-				logger = &StdLogger{
-					Prefix:      logPrefix,
-					EnableDebug: enableDebug,
-				}
-			}
-		}
-	}
-
-	logger.Setup()
-	if prefix != "\x00" {
-		logger.SetPrefix(prefix)
-	}
-
-	logger.Info("logger initialized of type %T with prefix %v", logger, logger.GetPrefix())
-
-	return
-}
-
 func testOpen(path string) (success bool, err error) {
 	var f *os.File
 

logging/funcs_linux.go

@@ -0,0 +1,123 @@
+package logging
+
+import (
+	native `log`
+	`os`
+	`path`
+
+	sysd `github.com/coreos/go-systemd/journal`
+	`r00t2.io/sysutils/paths`
+)
+
+var (
+	_ = sysd.Enabled()
+	_ = native.Logger{}
+	_ = os.Interrupt
+)
+
+/*
+	GetLogger returns an instance of Logger that best suits your system's capabilities.
+	If enableDebug is true, debug messages (which according to your program may or may not contain sensitive data) are rendered and written.
+	If prefix is "\x00" (a null byte), then the default logging prefix will be used. If anything else, even an empty string,
+	is specified then that will be used instead for the prefix.
+	logPaths is an (optional) list of strings to use as paths to test for writing. If the file can be created/written to,
+	it will be used (assuming you have no higher-level loggers available). Only the first logPaths entry that "works" will be used, later entries will be ignored.
+*/
+func GetLogger(enableDebug bool, prefix string, logPaths ...string) (logger Logger, err error) {
+
+	var logPath string
+	var logFlags types.MaskBit
+
+	// Configure system-supported logger(s).
+	if sysd.Enabled() {
+		// Use Journald.
+		logFlags.AddFlag(LogJournald)
+	} else {
+		// If we can detect syslog, use that. If not, try to use a file logger (+ stdout).
+		// Last ditch, stdout.
+		var hasSyslog bool
+		var stat os.FileInfo
+		var devlogPath string = devlog
+
+		if hasSyslog, stat, err = paths.RealPathExistsStat(&devlogPath); hasSyslog && err != nil {
+			return
+		}
+
+		if hasSyslog && !stat.Mode().IsRegular() {
+			logFlags.AddFlag(LogSyslog)
+		} else {
+			var exists bool
+			var success bool
+			var ckLogPaths []string
+
+			logFlags.AddFlag(LogStdout)
+			ckLogPaths = defLogPaths
+			if logPaths != nil {
+				ckLogPaths = logPaths
+			}
+			for _, p := range ckLogPaths {
+				if exists, _ = paths.RealPathExists(&p); exists {
+					if success, err = testOpen(p); err != nil {
+						continue
+					} else if !success {
+						continue
+					}
+					logFlags.AddFlag(LogFile)
+					logPath = p
+					break
+				} else {
+					dirPath := path.Dir(p)
+					if err = paths.MakeDirIfNotExist(&dirPath); err != nil {
+						continue
+					}
+					if success, err = testOpen(p); err != nil {
+						continue
+					} else if !success {
+						continue
+					}
+					logFlags.AddFlag(LogFile)
+					logPath = p
+					break
+				}
+			}
+		}
+	}
+
+	if logFlags.HasFlag(LogJournald) {
+		logger = &SystemDLogger{
+			Prefix:      logPrefix,
+			EnableDebug: enableDebug,
+		}
+	} else {
+		if logFlags.HasFlag(LogSyslog) {
+			logger = &SyslogLogger{
+				Prefix:      logPrefix,
+				EnableDebug: enableDebug,
+			}
+		} else {
+			if logFlags.HasFlag(LogFile) {
+				logger = &FileLogger{
+					StdLogger: StdLogger{
+						Prefix:      logPrefix,
+						EnableDebug: enableDebug,
+					},
+					Path: logPath,
+				}
+			} else {
+				logger = &StdLogger{
+					Prefix:      logPrefix,
+					EnableDebug: enableDebug,
+				}
+			}
+		}
+	}
+
+	logger.Setup()
+	if prefix != "\x00" {
+		logger.SetPrefix(prefix)
+	}
+
+	logger.Info("logger initialized of type %T with prefix %v", logger, logger.GetPrefix())
+
+	return
+}

logging/funcs_std.go

@@ -27,8 +27,11 @@ func (l *StdLogger) SetPrefix(prefix string) {
 	l.Logger.SetPrefix(prefix)
 }
 
-func (l *StdLogger) GetPrefix() string {
+func (l *StdLogger) GetPrefix() (prefix string) {
-	return l.Prefix
+
+	prefix = l.Prefix
+
+	return
 }
 
 func (l *StdLogger) Alert(s string, v ...interface{}) (err error) {

logging/funcs_sysd_linux.go

@@ -29,8 +29,11 @@ func (l *SystemDLogger) SetPrefix(prefix string) {
 	l.Prefix = prefix
 }
 
-func (l *SystemDLogger) GetPrefix() string {
+func (l *SystemDLogger) GetPrefix() (prefix string) {
-	return l.Prefix
+
+	prefix = l.Prefix
+
+	return
 }
 
 func (l *SystemDLogger) Alert(s string, v ...interface{}) (err error) {
@@ -158,6 +161,7 @@ func (l *SystemDLogger) Warning(s string, v ...interface{}) (err error) {
 }
 
 func (l *SystemDLogger) renderWrite(msg string, prio journal.Priority) {
+
 	// TODO: implement code line, etc.
 	// https://www.freedesktop.org/software/systemd/man/systemd.journal-fields.html
 	// CODE_FILE=, CODE_LINE=, CODE_FUNC=

logging/funcs_syslog_linux.go

@@ -58,8 +58,11 @@ func (l *SyslogLogger) SetPrefix(prefix string) {
 	l.Setup()
 }
 
-func (l *SyslogLogger) GetPrefix() string {
+func (l *SyslogLogger) GetPrefix() (prefix string) {
-	return l.Prefix
+
+	prefix = l.Prefix
+
+	return
 }
 
 func (l *SyslogLogger) Alert(s string, v ...interface{}) (err error) {

logging/funcs_windows.go

@@ -0,0 +1,100 @@
+package logging
+
+import (
+	`errors`
+	`strings`
+)
+
+/*
+	GetLogger returns an instance of Logger that best suits your system's capabilities. Note that this is a VERY generalized interface to the Windows Event Log.
+	If you require more robust logging capabilities (e.g. custom event IDs per uniquely identifiable event),
+	you will want to set up your own logger (golang.org/x/sys/windows/svc/eventlog).
+	If enableDebug is true, debug messages (which according to your program may or may not contain sensitive data) are rendered and written (otherwise they are ignored).
+	A blank source will return an error as it's used as the source name. Other functions, struct fields, etc. will refer to this as the "prefix".
+	A pointer to a WinEventID struct may be specified for eventIDs to map extended logging levels (as Windows only supports three levels natively).
+	If it is nil, a default one (DefaultEventID) will be used.
+	logPaths is an (optional) list of strings to use as paths to test for writing. If the file can be created/written to,
+	it will be used (assuming you have no higher-level loggers available).
+	Only the first logPaths entry that "works" will be used, later entries will be ignored.
+	Currently this will almost always return a WinLogger until multiple logging destination support is added.
+*/
+func GetLogger(enableDebug bool, source string, eventIDs *WinEventID, logPaths ...string) (logger Logger, err error) {
+
+	var logPath string
+	var logFlags types.MaskBit
+	var exists bool
+	var success bool
+	var ckLogPaths []string
+
+	if strings.TrimSpace(source) == "" {
+		err = errors.New("invalid source for Windows logging")
+		return
+	}
+
+	// Configure system-supported logger(s). The Windows Event Logger (should) ALWAYS be available.
+	logFlags.AddFlag(LogWinLogger)
+	if eventIDs == nil {
+		eventIDs = DefaultEventID
+	}
+
+	if logPaths != nil {
+		ckLogPaths = logPaths
+		ckLogPaths = append(ckLogPaths, defLogPaths...)
+
+		for _, p := range ckLogPaths {
+			if exists, _ = paths.RealPathExists(&p); exists {
+				if success, err = testOpen(p); err != nil {
+					continue
+				} else if !success {
+					continue
+				}
+				logFlags.AddFlag(LogFile)
+				logPath = p
+				break
+			} else {
+				dirPath := path.Dir(p)
+				if err = paths.MakeDirIfNotExist(&dirPath); err != nil {
+					continue
+				}
+				if success, err = testOpen(p); err != nil {
+					continue
+				} else if !success {
+					continue
+				}
+				logFlags.AddFlag(LogFile)
+				logPath = p
+				break
+			}
+		}
+	}
+
+	if logFlags.HasFlag(LogWinLogger) {
+		logger = &WinLogger{
+			Prefix:      source,
+			EnableDebug: enableDebug,
+			eids:        eventIDs,
+		}
+	} else {
+		if logFlags.HasFlag(LogFile) {
+			logger = &FileLogger{
+				StdLogger: StdLogger{
+					Prefix:      source,
+					EnableDebug: enableDebug,
+				},
+				Path: logPath,
+			}
+		} else {
+			logger = &StdLogger{
+				Prefix:      source,
+				EnableDebug: enableDebug,
+			}
+		}
+	}
+
+	logger.Setup()
+
+	logger.Info("logger initialized of type %T with source %v", logger, logger.GetPrefix())
+
+	return
+
+}

logging/funcs_winlogger_windows.go

@@ -0,0 +1,238 @@
+package logging
+
+import (
+	`errors`
+)
+
+func (l *WinLogger) Setup() {
+
+	var err error
+
+	/*
+		First a sanity check on the EventIDs.
+		Since we use eventcreate, all Event IDs must be 1 <= eid <= 1000.
+	*/
+	for _, eid := range []uint32{
+		l.eids.Alert,
+		l.eids.Crit,
+		l.eids.Debug,
+		l.eids.Emerg,
+		l.eids.Err,
+		l.eids.Info,
+		l.eids.Notice,
+		l.eids.Warning,
+	} {
+		if !(1 <= eid <= 1000) {
+			err = errors.New("event IDs must be between 1 and 1000 inclusive")
+			panic(err)
+		}
+	}
+
+	if err = eventlog.InstallAsEventCreate(l.Prefix, eventlog.Error|eventlog.Warning|eventlog.Info); err != nil {
+		if idx := ptrnSourceExists.FindStringIndex(err.Error()); idx == nil {
+			// It's an error we want to panic on.
+			panic(err)
+		} else {
+			// It already exists, so ignore the error.
+			err = nil
+		}
+	}
+
+	if l.elog, err = eventlog.Open(l.Prefix); err != nil {
+		panic(err)
+	}
+
+}
+
+func (l *WinLogger) Shutdown() {
+
+	var err error
+
+	if err = l.elog.Close(); err != nil {
+		panic(err)
+	}
+
+	if err = eventlog.Remove(l.Prefix); err != nil {
+		panic(err)
+	}
+
+}
+
+func (l *WinLogger) DoDebug(d bool) {
+
+	l.EnableDebug = d
+
+}
+
+func (l *WinLogger) SetPrefix(prefix string) {
+
+	var err error
+
+	l.Prefix = prefix
+
+	// To properly change the prefix, we need to tear down the old event log and create a new one.
+	if err = l.elog.Close(); err != nil {
+		panic(err)
+	}
+
+	if err = eventlog.Remove(l.Prefix); err != nil {
+		panic(err)
+	}
+
+	if err = eventlog.InstallAsEventCreate(l.Prefix, eventlog.Error|eventlog.Warning|eventlog.Info); err != nil {
+		if idx := ptrnSourceExists.FindStringIndex(err.Error()); idx == nil {
+			// It's an error we want to panic on.
+			panic(err)
+		} else {
+			// It already exists, so ignore the error.
+			err = nil
+		}
+	}
+
+	if l.elog, err = eventlog.Open(l.Prefix); err != nil {
+		panic(err)
+	}
+
+}
+
+func (l *WinLogger) GetPrefix() (prefix string) {
+
+	prefix = l.Prefix
+
+	return
+}
+
+func (l *WinLogger) Alert(s string, v ...interface{}) (err error) {
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	// Treat ALERT as Warning
+	err = l.elog.Warning(l.eids.Alert, msg)
+
+	return
+}
+
+func (l *WinLogger) Crit(s string, v ...interface{}) (err error) {
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	// Treat CRIT as Error
+	err = l.elog.Error(l.eids.Crit, msg)
+
+	return
+}
+
+func (l *WinLogger) Debug(s string, v ...interface{}) (err error) {
+
+	if !l.EnableDebug {
+		return
+	}
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	// Treat DEBUG as Info
+	err = l.elog.Info(l.eids.Debug, msg)
+
+	return
+
+}
+
+func (l *WinLogger) Emerg(s string, v ...interface{}) (err error) {
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	// Treat EMERG as Error
+	err = l.elog.Error(l.eids.Emerg, msg)
+
+	return
+
+}
+
+func (l *WinLogger) Err(s string, v ...interface{}) (err error) {
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	err = l.elog.Error(l.eids.Error, msg)
+
+	return
+
+}
+
+func (l *WinLogger) Info(s string, v ...interface{}) (err error) {
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	err = l.elog.Info(l.eids.Info, msg)
+
+	return
+
+}
+
+func (l *WinLogger) Notice(s string, v ...interface{}) (err error) {
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	// Treat NOTICE as Info
+	err = l.elog.Info(l.eids.Notice, msg)
+
+	return
+
+}
+
+func (l *WinLogger) Warning(s string, v ...interface{}) (err error) {
+
+	var msg string
+
+	if v != nil {
+		msg = fmt.Sprintf(s, v...)
+	} else {
+		msg = s
+	}
+
+	err = l.elog.Warning(l.eids.Warning, msg)
+
+	return
+
+}

logging/types.go

@@ -2,7 +2,6 @@ package logging
 
 import (
 	"log"
-	"log/syslog"
 	"os"
 )
 
@@ -22,24 +21,6 @@ type Logger interface {
 	Shutdown()
 }
 
-type SystemDLogger struct {
-	EnableDebug bool
-	Prefix      string
-}
-
-type SyslogLogger struct {
-	EnableDebug bool
-	Prefix      string
-	alert,
-	crit,
-	debug,
-	emerg,
-	err,
-	info,
-	notice,
-	warning *syslog.Writer
-}
-
 type StdLogger struct {
 	*log.Logger
 	EnableDebug bool

logging/types_linux.go

@@ -0,0 +1,23 @@
+package logging
+
+import (
+	`log/syslog`
+)
+
+type SystemDLogger struct {
+	EnableDebug bool
+	Prefix      string
+}
+
+type SyslogLogger struct {
+	EnableDebug bool
+	Prefix      string
+	alert,
+	crit,
+	debug,
+	emerg,
+	err,
+	info,
+	notice,
+	warning *syslog.Writer
+}

logging/types_windows.go

@@ -0,0 +1,23 @@
+package logging
+
+import (
+	`golang.org/x/sys/windows/svc/eventlog`
+)
+
+type WinLogger struct {
+	EnableDebug bool
+	Prefix      string
+	elog        *eventlog.Log
+	eids        *WinEventID
+}
+
+type WinEventID struct {
+	Alert,
+	Crit,
+	Debug,
+	Emerg,
+	Err,
+	Info,
+	Notice,
+	Warning uint32
+}

types/bitmasks.go

@@ -1,64 +0,0 @@
-package types
-
-/*
-	See https://yourbasic.org/golang/bitmask-flag-set-clear/ for more information.
-	To use this, set constants like thus:
-	
-	const (
-		OPT1 types.MaskBit = 1 << iota
-		OPT2
-		OPT3
-		// ...
-	)
-
-	type Object struct {
-		Opts BitMask
-	}
-
-	o := Object{
-		BitMask: uint8(0)
-	}
-
-	o.AddFlag(OPT1)
-	o.AddFlag(OPT3)
-
-
-	This would return true:
-		o.HasFlag(OPT1)
-	As would this:
-		o.HasFlag(OPT3)
-	But this would return false:
-		o.HasFlag(OPT2)
-
-*/
-type BitMask interface {
-	HasFlag(bit MaskBit) bool
-	AddFlag(bit MaskBit)
-	ClearFlag(bit MaskBit)
-	ToggleFlag(bit MaskBit)
-}
-
-// BitMasks
-type MaskBit uint8
-
-func (f MaskBit) HasFlag(flag MaskBit) (r bool) {
-	if f&flag != 0 {
-		r = true
-	}
-	return
-}
-
-func (f *MaskBit) AddFlag(flag MaskBit) {
-	*f |= flag
-	return
-}
-
-func (f *MaskBit) ClearFlag(flag MaskBit) {
-	*f &= flag
-	return
-}
-
-func (f *MaskBit) ToggleFlag(flag MaskBit) {
-	*f ^= flag
-	return
-}