diff options
Diffstat (limited to 'vendor/github.com/openzipkin/zipkin-go-opentracing/logger.go')
-rw-r--r-- | vendor/github.com/openzipkin/zipkin-go-opentracing/logger.go | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/vendor/github.com/openzipkin/zipkin-go-opentracing/logger.go b/vendor/github.com/openzipkin/zipkin-go-opentracing/logger.go deleted file mode 100644 index 643f65358..000000000 --- a/vendor/github.com/openzipkin/zipkin-go-opentracing/logger.go +++ /dev/null @@ -1,64 +0,0 @@ -package zipkintracer - -import ( - "errors" - "fmt" - "log" - "strings" -) - -// ErrMissingValue adds a Missing Value Error when the Logging Parameters are -// not even in number -var ErrMissingValue = errors.New("(MISSING)") - -// Logger is the fundamental interface for all log operations. Log creates a -// log event from keyvals, a variadic sequence of alternating keys and values. -// The signature is compatible with the Go kit log package. -type Logger interface { - Log(keyvals ...interface{}) error -} - -// NewNopLogger provides a Logger that discards all Log data sent to it. -func NewNopLogger() Logger { - return &nopLogger{} -} - -// LogWrapper wraps a standard library logger into a Logger compatible with this -// package. -func LogWrapper(l *log.Logger) Logger { - return &wrappedLogger{l: l} -} - -// wrappedLogger implements Logger -type wrappedLogger struct { - l *log.Logger -} - -// Log implements Logger -func (l *wrappedLogger) Log(k ...interface{}) error { - if len(k)%2 == 1 { - k = append(k, ErrMissingValue) - } - o := make([]string, len(k)/2) - for i := 0; i < len(k); i += 2 { - o[i/2] = fmt.Sprintf("%s=%q", k[i], k[i+1]) - } - l.l.Println(strings.Join(o, " ")) - return nil -} - -// nopLogger implements Logger -type nopLogger struct{} - -// Log implements Logger -func (*nopLogger) Log(_ ...interface{}) error { return nil } - -// LoggerFunc is an adapter to allow use of ordinary functions as Loggers. If -// f is a function with the appropriate signature, LoggerFunc(f) is a Logger -// object that calls f. -type LoggerFunc func(...interface{}) error - -// Log implements Logger by calling f(keyvals...). -func (f LoggerFunc) Log(keyvals ...interface{}) error { - return f(keyvals...) -} |