Work on #61: Add support for ICMP

+ Update dependencies
This commit is contained in:
TwinProduction
2020-12-25 00:07:18 -05:00
parent c86173d46f
commit 83a5813daf
1004 changed files with 182274 additions and 64323 deletions

View File

@ -17,13 +17,15 @@ limitations under the License.
package watch
import (
"fmt"
"io"
"sync"
"k8s.io/klog/v2"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/net"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/klog"
)
// Decoder allows StreamWatcher to watch any stream for which a Decoder can be written.
@ -39,19 +41,28 @@ type Decoder interface {
Close()
}
// Reporter hides the details of how an error is turned into a runtime.Object for
// reporting on a watch stream since this package may not import a higher level report.
type Reporter interface {
// AsObject must convert err into a valid runtime.Object for the watch stream.
AsObject(err error) runtime.Object
}
// StreamWatcher turns any stream for which you can write a Decoder interface
// into a watch.Interface.
type StreamWatcher struct {
sync.Mutex
source Decoder
result chan Event
stopped bool
source Decoder
reporter Reporter
result chan Event
stopped bool
}
// NewStreamWatcher creates a StreamWatcher from the given decoder.
func NewStreamWatcher(d Decoder) *StreamWatcher {
func NewStreamWatcher(d Decoder, r Reporter) *StreamWatcher {
sw := &StreamWatcher{
source: d,
source: d,
reporter: r,
// It's easy for a consumer to add buffering via an extra
// goroutine/channel, but impossible for them to remove it,
// so nonbuffered is better.
@ -102,11 +113,13 @@ func (sw *StreamWatcher) receive() {
case io.ErrUnexpectedEOF:
klog.V(1).Infof("Unexpected EOF during watch stream event decoding: %v", err)
default:
msg := "Unable to decode an event from the watch stream: %v"
if net.IsProbableEOF(err) {
klog.V(5).Infof(msg, err)
if net.IsProbableEOF(err) || net.IsTimeout(err) {
klog.V(5).Infof("Unable to decode an event from the watch stream: %v", err)
} else {
klog.Errorf(msg, err)
sw.result <- Event{
Type: Error,
Object: sw.reporter.AsObject(fmt.Errorf("unable to decode an event from the watch stream: %v", err)),
}
}
}
return