Function probeProxy

pkg/agent/proxy/proxy.go:69–80

probeProxy emits a [PROBE/proxy] log tagged with a stable conn id and phase name. Cheap to call when the probe is off (single atomic load + early return); zero allocations on the hot disabled path.

(logger *zap.Logger, phase string, connID int64, fields ...zap.Field)

// and phase name. Cheap to call when the probe is off (single atomic
// load + early return); zero allocations on the hot disabled path.
func probeProxy(logger *zap.Logger, phase string, connID int64, fields ...zap.Field) {
	if !probeOn() {
		return
	}
	base := []zap.Field{
		zap.String("probe", "proxy"),
		zap.String("phase", phase),
		zap.Int64("connID", connID),
		zap.Int64("ts_ns", time.Now().UnixNano()),
	}
	logger.Info("[PROBE/proxy]", append(base, fields...)...)
}

var defaultMysqlPorts = []uint32{3306, 4000}