ooni-probe-cli/internal/engine/netx/dialer/logging.go

package dialer

import (
	"context"
	"net"
	"time"
)

// loggingDialer is a Dialer with logging
type loggingDialer struct {
	Dialer
	Logger Logger
}

// DialContext implements Dialer.DialContext
func (d *loggingDialer) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
	d.Logger.Debugf("dial %s/%s...", address, network)
	start := time.Now()
	conn, err := d.Dialer.DialContext(ctx, network, address)
	stop := time.Now()
	d.Logger.Debugf("dial %s/%s... %+v in %s", address, network, err, stop.Sub(start))
	return conn, err
}