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package transport
import (
"context"
"github.com/go-kit/log"
)
// ErrorHandler receives a transport error to be processed for diagnostic purposes.
// Usually this means logging the error.
type ErrorHandler interface {
Handle(ctx context.Context, err error)
}
// LogErrorHandler is a transport error handler implementation which logs an error.
type LogErrorHandler struct {
logger log.Logger
}
func NewLogErrorHandler(logger log.Logger) *LogErrorHandler {
return &LogErrorHandler{
logger: logger,
}
}
func (h *LogErrorHandler) Handle(ctx context.Context, err error) {
h.logger.Log("err", err)
}
// The ErrorHandlerFunc type is an adapter to allow the use of
// ordinary function as ErrorHandler. If f is a function
// with the appropriate signature, ErrorHandlerFunc(f) is a
// ErrorHandler that calls f.
type ErrorHandlerFunc func(ctx context.Context, err error)
// Handle calls f(ctx, err).
func (f ErrorHandlerFunc) Handle(ctx context.Context, err error) {
f(ctx, err)
}
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