Initial commit after restructure

firewall/interception/nfqueue/multiqueue.go

@@ -0,0 +1,46 @@
+// Copyright Safing ICS Technologies GmbH. Use of this source code is governed by the AGPL license that can be found in the LICENSE file.
+
+package nfqueue
+
+import (
+	"github.com/Safing/safing-core/network/packet"
+	"sync"
+)
+
+type multiQueue struct {
+	qs []*nfQueue
+}
+
+func NewMultiQueue(min, max uint16) (mq *multiQueue) {
+	mq = &multiQueue{make([]*nfQueue, 0, max-min)}
+	for i := min; i < max; i++ {
+		mq.qs = append(mq.qs, NewNFQueue(i))
+	}
+	return mq
+}
+
+func (mq *multiQueue) Process() <-chan packet.Packet {
+	var (
+		wg  sync.WaitGroup
+		out = make(chan packet.Packet, len(mq.qs))
+	)
+	for _, q := range mq.qs {
+		wg.Add(1)
+		go func(ch <-chan packet.Packet) {
+			for pkt := range ch {
+				out <- pkt
+			}
+			wg.Done()
+		}(q.Process())
+	}
+	go func() {
+		wg.Wait()
+		close(out)
+	}()
+	return out
+}
+func (mq *multiQueue) Destroy() {
+	for _, q := range mq.qs {
+		q.Destroy()
+	}
+}