[#607] placement: Make traverser to return list of address groups

Make placement `Traverser.Next` method to return ``[]network.AddressGroup`
in order to support multiple addresses of the storeage nodes.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/services/object/get/container.go

@@ -3,7 +3,6 @@ package getsvc
 import (
 	"context"
 
-	"github.com/nspcc-dev/neofs-node/pkg/network"
 	"go.uber.org/zap"
 )
 
@@ -79,7 +78,7 @@ func (exec *execCtx) processCurrentEpoch() bool {
 			// TODO: consider parallel execution
 			// TODO: consider optimization: if status == SPLIT we can continue until
 			//  we reach the best result - split info with linking object ID.
-			if exec.processNode(ctx, network.GroupFromAddress(addrs[i])) {
+			if exec.processNode(ctx, addrs[i]) {
 				exec.log.Debug("completing the operation")
 				return true
 			}

pkg/services/object/put/distributed.go

@@ -110,7 +110,7 @@ loop:
 			if err := t.workerPool.Submit(func() {
 				defer wg.Done()
 
-				if err := f(network.GroupFromAddress(addr)); err != nil {
+				if err := f(addr); err != nil {
 					svcutil.LogServiceError(t.log, "PUT", addr, err)
 					return
 				}

pkg/services/object/search/container.go

@@ -3,7 +3,6 @@ package searchsvc
 import (
 	"context"
 
-	"github.com/nspcc-dev/neofs-node/pkg/network"
 	"go.uber.org/zap"
 )
 
@@ -77,7 +76,7 @@ func (exec *execCtx) processCurrentEpoch() bool {
 			}
 
 			// TODO: consider parallel execution
-			exec.processNode(ctx, network.GroupFromAddress(addrs[i]))
+			exec.processNode(ctx, addrs[i])
 		}
 	}
 

pkg/services/object/util/log.go

@@ -7,9 +7,9 @@ import (
 )
 
 // LogServiceError writes debug error message of object service to provided logger.
-func LogServiceError(l *logger.Logger, req string, node network.Address, err error) {
+func LogServiceError(l *logger.Logger, req string, node network.AddressGroup, err error) {
 	l.Debug("object service error",
-		zap.Stringer("node", node),
+		zap.String("node", network.StringifyGroup(node)),
 		zap.String("request", req),
 		zap.String("error", err.Error()),
 	)

pkg/services/object_manager/placement/traverser.go

@@ -122,7 +122,7 @@ func flatNodes(ns []netmap.Nodes) []netmap.Nodes {
 // Next returns next unprocessed address of the object placement.
 //
 // Returns nil if no nodes left or traversal operation succeeded.
-func (t *Traverser) Next() []network.Address {
+func (t *Traverser) Next() []network.AddressGroup {
 	t.mtx.Lock()
 	defer t.mtx.Unlock()
 
@@ -139,10 +139,10 @@ func (t *Traverser) Next() []network.Address {
 		count = len(t.vectors[0])
 	}
 
-	addrs := make([]network.Address, count)
+	addrs := make([]network.AddressGroup, count)
 
 	for i := 0; i < count; i++ {
-		err := addrs[i].FromString(t.vectors[0][i].Address())
+		err := addrs[i].FromIterator(t.vectors[0][i])
 		if err != nil {
 			// TODO: log error
 			return nil

pkg/services/object_manager/placement/traverser_test.go

@@ -65,12 +65,12 @@ func testPlacement(t *testing.T, ss, rs []int) ([]netmap.Nodes, *container.Conta
 	return nodes, container.New(container.WithPolicy(policy))
 }
 
-func assertSameAddress(t *testing.T, ni *netmap.NodeInfo, addr network.Address) {
-	var netAddr network.Address
+func assertSameAddress(t *testing.T, ni *netmap.NodeInfo, addr network.AddressGroup) {
+	var netAddr network.AddressGroup
 
-	err := netAddr.FromString(ni.Address())
+	err := netAddr.FromIterator(ni)
 	require.NoError(t, err)
-	require.True(t, netAddr.Equal(addr))
+	require.True(t, netAddr.Intersects(addr))
 }
 
 func TestTraverserObjectScenarios(t *testing.T) {
@@ -124,12 +124,12 @@ func TestTraverserObjectScenarios(t *testing.T) {
 			require.NotNil(t, tr.Next())
 		}
 
-		var n network.Address
+		var n network.AddressGroup
 
-		err = n.FromString(nodes[1][0].Address())
+		err = n.FromIterator(nodes[1][0])
 		require.NoError(t, err)
 
-		require.Equal(t, []network.Address{n}, tr.Next())
+		require.Equal(t, []network.AddressGroup{n}, tr.Next())
 	})
 
 	t.Run("put scenario", func(t *testing.T) {