* p2p/simulations: increased snapshot load timeout for debugging * swarm/network/stream: less nodes for snapshot longrunning tests * swarm/network: fixed longrunning tests * swarm/network/stream: store kademlia in bucket * swarm/network/stream: disabled healthy check in delivery tests * swarm/network/stream: longer SyncUpdateDelay for longrunning tests * swarm/network/stream: more debug output * swarm/network/stream: reduced longrunning snapshot tests to 64 nodes * swarm/network/stream: don't WaitTillHealthy in SyncerSimulation * swarm/network/stream: cleanup for PR
		
			
				
	
	
		
			356 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			356 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2018 The go-ethereum Authors
 | 
						|
// This file is part of the go-ethereum library.
 | 
						|
//
 | 
						|
// The go-ethereum library is free software: you can redistribute it and/or modify
 | 
						|
// it under the terms of the GNU Lesser General Public License as published by
 | 
						|
// the Free Software Foundation, either version 3 of the License, or
 | 
						|
// (at your option) any later version.
 | 
						|
//
 | 
						|
// The go-ethereum library is distributed in the hope that it will be useful,
 | 
						|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 | 
						|
// GNU Lesser General Public License for more details.
 | 
						|
//
 | 
						|
// You should have received a copy of the GNU Lesser General Public License
 | 
						|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 | 
						|
 | 
						|
package stream
 | 
						|
 | 
						|
import (
 | 
						|
	"context"
 | 
						|
	"errors"
 | 
						|
	"fmt"
 | 
						|
	"io/ioutil"
 | 
						|
	"math"
 | 
						|
	"os"
 | 
						|
	"sync"
 | 
						|
	"testing"
 | 
						|
	"time"
 | 
						|
 | 
						|
	"github.com/ethereum/go-ethereum/common"
 | 
						|
	"github.com/ethereum/go-ethereum/node"
 | 
						|
	"github.com/ethereum/go-ethereum/p2p/enode"
 | 
						|
	"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
 | 
						|
	"github.com/ethereum/go-ethereum/swarm/log"
 | 
						|
	"github.com/ethereum/go-ethereum/swarm/network"
 | 
						|
	"github.com/ethereum/go-ethereum/swarm/network/simulation"
 | 
						|
	"github.com/ethereum/go-ethereum/swarm/state"
 | 
						|
	"github.com/ethereum/go-ethereum/swarm/storage"
 | 
						|
	"github.com/ethereum/go-ethereum/swarm/storage/mock"
 | 
						|
	"github.com/ethereum/go-ethereum/swarm/testutil"
 | 
						|
)
 | 
						|
 | 
						|
const dataChunkCount = 200
 | 
						|
 | 
						|
func TestSyncerSimulation(t *testing.T) {
 | 
						|
	testSyncBetweenNodes(t, 2, dataChunkCount, true, 1)
 | 
						|
	// This test uses much more memory when running with
 | 
						|
	// race detector. Allow it to finish successfully by
 | 
						|
	// reducing its scope, and still check for data races
 | 
						|
	// with the smallest number of nodes.
 | 
						|
	if !testutil.RaceEnabled {
 | 
						|
		testSyncBetweenNodes(t, 4, dataChunkCount, true, 1)
 | 
						|
		testSyncBetweenNodes(t, 8, dataChunkCount, true, 1)
 | 
						|
		testSyncBetweenNodes(t, 16, dataChunkCount, true, 1)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func createMockStore(globalStore mock.GlobalStorer, id enode.ID, addr *network.BzzAddr) (lstore storage.ChunkStore, datadir string, err error) {
 | 
						|
	address := common.BytesToAddress(id.Bytes())
 | 
						|
	mockStore := globalStore.NewNodeStore(address)
 | 
						|
	params := storage.NewDefaultLocalStoreParams()
 | 
						|
 | 
						|
	datadir, err = ioutil.TempDir("", "localMockStore-"+id.TerminalString())
 | 
						|
	if err != nil {
 | 
						|
		return nil, "", err
 | 
						|
	}
 | 
						|
	params.Init(datadir)
 | 
						|
	params.BaseKey = addr.Over()
 | 
						|
	lstore, err = storage.NewLocalStore(params, mockStore)
 | 
						|
	if err != nil {
 | 
						|
		return nil, "", err
 | 
						|
	}
 | 
						|
	return lstore, datadir, nil
 | 
						|
}
 | 
						|
 | 
						|
func testSyncBetweenNodes(t *testing.T, nodes, chunkCount int, skipCheck bool, po uint8) {
 | 
						|
 | 
						|
	sim := simulation.New(map[string]simulation.ServiceFunc{
 | 
						|
		"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
 | 
						|
			addr := network.NewAddr(ctx.Config.Node())
 | 
						|
			//hack to put addresses in same space
 | 
						|
			addr.OAddr[0] = byte(0)
 | 
						|
 | 
						|
			netStore, delivery, clean, err := newNetStoreAndDeliveryWithBzzAddr(ctx, bucket, addr)
 | 
						|
			if err != nil {
 | 
						|
				return nil, nil, err
 | 
						|
			}
 | 
						|
 | 
						|
			var dir string
 | 
						|
			var store *state.DBStore
 | 
						|
			if testutil.RaceEnabled {
 | 
						|
				// Use on-disk DBStore to reduce memory consumption in race tests.
 | 
						|
				dir, err = ioutil.TempDir("", "swarm-stream-")
 | 
						|
				if err != nil {
 | 
						|
					return nil, nil, err
 | 
						|
				}
 | 
						|
				store, err = state.NewDBStore(dir)
 | 
						|
				if err != nil {
 | 
						|
					return nil, nil, err
 | 
						|
				}
 | 
						|
			} else {
 | 
						|
				store = state.NewInmemoryStore()
 | 
						|
			}
 | 
						|
 | 
						|
			r := NewRegistry(addr.ID(), delivery, netStore, store, &RegistryOptions{
 | 
						|
				Retrieval: RetrievalDisabled,
 | 
						|
				Syncing:   SyncingAutoSubscribe,
 | 
						|
				SkipCheck: skipCheck,
 | 
						|
			}, nil)
 | 
						|
 | 
						|
			cleanup = func() {
 | 
						|
				r.Close()
 | 
						|
				clean()
 | 
						|
				if dir != "" {
 | 
						|
					os.RemoveAll(dir)
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			return r, cleanup, nil
 | 
						|
		},
 | 
						|
	})
 | 
						|
	defer sim.Close()
 | 
						|
 | 
						|
	// create context for simulation run
 | 
						|
	timeout := 30 * time.Second
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 | 
						|
	// defer cancel should come before defer simulation teardown
 | 
						|
	defer cancel()
 | 
						|
 | 
						|
	_, err := sim.AddNodesAndConnectChain(nodes)
 | 
						|
	if err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
	}
 | 
						|
	result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) (err error) {
 | 
						|
		nodeIDs := sim.UpNodeIDs()
 | 
						|
 | 
						|
		nodeIndex := make(map[enode.ID]int)
 | 
						|
		for i, id := range nodeIDs {
 | 
						|
			nodeIndex[id] = i
 | 
						|
		}
 | 
						|
 | 
						|
		disconnected := watchDisconnections(ctx, sim)
 | 
						|
		defer func() {
 | 
						|
			if err != nil && disconnected.bool() {
 | 
						|
				err = errors.New("disconnect events received")
 | 
						|
			}
 | 
						|
		}()
 | 
						|
 | 
						|
		// each node Subscribes to each other's swarmChunkServerStreamName
 | 
						|
		for j := 0; j < nodes-1; j++ {
 | 
						|
			id := nodeIDs[j]
 | 
						|
			client, err := sim.Net.GetNode(id).Client()
 | 
						|
			if err != nil {
 | 
						|
				return fmt.Errorf("node %s client: %v", id, err)
 | 
						|
			}
 | 
						|
			sid := nodeIDs[j+1]
 | 
						|
			client.CallContext(ctx, nil, "stream_subscribeStream", sid, NewStream("SYNC", FormatSyncBinKey(1), false), NewRange(0, 0), Top)
 | 
						|
			if err != nil {
 | 
						|
				return err
 | 
						|
			}
 | 
						|
			if j > 0 || nodes == 2 {
 | 
						|
				item, ok := sim.NodeItem(nodeIDs[j], bucketKeyFileStore)
 | 
						|
				if !ok {
 | 
						|
					return fmt.Errorf("No filestore")
 | 
						|
				}
 | 
						|
				fileStore := item.(*storage.FileStore)
 | 
						|
				size := chunkCount * chunkSize
 | 
						|
				_, wait, err := fileStore.Store(ctx, testutil.RandomReader(j, size), int64(size), false)
 | 
						|
				if err != nil {
 | 
						|
					return fmt.Errorf("fileStore.Store: %v", err)
 | 
						|
				}
 | 
						|
				wait(ctx)
 | 
						|
			}
 | 
						|
		}
 | 
						|
		// here we distribute chunks of a random file into stores 1...nodes
 | 
						|
		// collect hashes in po 1 bin for each node
 | 
						|
		hashes := make([][]storage.Address, nodes)
 | 
						|
		totalHashes := 0
 | 
						|
		hashCounts := make([]int, nodes)
 | 
						|
		for i := nodes - 1; i >= 0; i-- {
 | 
						|
			if i < nodes-1 {
 | 
						|
				hashCounts[i] = hashCounts[i+1]
 | 
						|
			}
 | 
						|
			item, ok := sim.NodeItem(nodeIDs[i], bucketKeyDB)
 | 
						|
			if !ok {
 | 
						|
				return fmt.Errorf("No DB")
 | 
						|
			}
 | 
						|
			netStore := item.(*storage.NetStore)
 | 
						|
			netStore.Iterator(0, math.MaxUint64, po, func(addr storage.Address, index uint64) bool {
 | 
						|
				hashes[i] = append(hashes[i], addr)
 | 
						|
				totalHashes++
 | 
						|
				hashCounts[i]++
 | 
						|
				return true
 | 
						|
			})
 | 
						|
		}
 | 
						|
		var total, found int
 | 
						|
		for _, node := range nodeIDs {
 | 
						|
			i := nodeIndex[node]
 | 
						|
 | 
						|
			for j := i; j < nodes; j++ {
 | 
						|
				total += len(hashes[j])
 | 
						|
				for _, key := range hashes[j] {
 | 
						|
					item, ok := sim.NodeItem(nodeIDs[j], bucketKeyDB)
 | 
						|
					if !ok {
 | 
						|
						return fmt.Errorf("No DB")
 | 
						|
					}
 | 
						|
					db := item.(*storage.NetStore)
 | 
						|
					_, err := db.Get(ctx, key)
 | 
						|
					if err == nil {
 | 
						|
						found++
 | 
						|
					}
 | 
						|
				}
 | 
						|
			}
 | 
						|
			log.Debug("sync check", "node", node, "index", i, "bin", po, "found", found, "total", total)
 | 
						|
		}
 | 
						|
		if total == found && total > 0 {
 | 
						|
			return nil
 | 
						|
		}
 | 
						|
		return fmt.Errorf("Total not equallying found: total is %d", total)
 | 
						|
	})
 | 
						|
 | 
						|
	if result.Error != nil {
 | 
						|
		t.Fatal(result.Error)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
//TestSameVersionID just checks that if the version is not changed,
 | 
						|
//then streamer peers see each other
 | 
						|
func TestSameVersionID(t *testing.T) {
 | 
						|
	//test version ID
 | 
						|
	v := uint(1)
 | 
						|
	sim := simulation.New(map[string]simulation.ServiceFunc{
 | 
						|
		"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
 | 
						|
			addr, netStore, delivery, clean, err := newNetStoreAndDelivery(ctx, bucket)
 | 
						|
			if err != nil {
 | 
						|
				return nil, nil, err
 | 
						|
			}
 | 
						|
 | 
						|
			r := NewRegistry(addr.ID(), delivery, netStore, state.NewInmemoryStore(), &RegistryOptions{
 | 
						|
				Retrieval: RetrievalDisabled,
 | 
						|
				Syncing:   SyncingAutoSubscribe,
 | 
						|
			}, nil)
 | 
						|
			bucket.Store(bucketKeyRegistry, r)
 | 
						|
 | 
						|
			//assign to each node the same version ID
 | 
						|
			r.spec.Version = v
 | 
						|
 | 
						|
			cleanup = func() {
 | 
						|
				r.Close()
 | 
						|
				clean()
 | 
						|
			}
 | 
						|
 | 
						|
			return r, cleanup, nil
 | 
						|
		},
 | 
						|
	})
 | 
						|
	defer sim.Close()
 | 
						|
 | 
						|
	//connect just two nodes
 | 
						|
	log.Info("Adding nodes to simulation")
 | 
						|
	_, err := sim.AddNodesAndConnectChain(2)
 | 
						|
	if err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
	}
 | 
						|
 | 
						|
	log.Info("Starting simulation")
 | 
						|
	ctx := context.Background()
 | 
						|
	//make sure they have time to connect
 | 
						|
	time.Sleep(200 * time.Millisecond)
 | 
						|
	result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
 | 
						|
		//get the pivot node's filestore
 | 
						|
		nodes := sim.UpNodeIDs()
 | 
						|
 | 
						|
		item, ok := sim.NodeItem(nodes[0], bucketKeyRegistry)
 | 
						|
		if !ok {
 | 
						|
			return fmt.Errorf("No filestore")
 | 
						|
		}
 | 
						|
		registry := item.(*Registry)
 | 
						|
 | 
						|
		//the peers should connect, thus getting the peer should not return nil
 | 
						|
		if registry.getPeer(nodes[1]) == nil {
 | 
						|
			return errors.New("Expected the peer to not be nil, but it is")
 | 
						|
		}
 | 
						|
		return nil
 | 
						|
	})
 | 
						|
	if result.Error != nil {
 | 
						|
		t.Fatal(result.Error)
 | 
						|
	}
 | 
						|
	log.Info("Simulation ended")
 | 
						|
}
 | 
						|
 | 
						|
//TestDifferentVersionID proves that if the streamer protocol version doesn't match,
 | 
						|
//then the peers are not connected at streamer level
 | 
						|
func TestDifferentVersionID(t *testing.T) {
 | 
						|
	//create a variable to hold the version ID
 | 
						|
	v := uint(0)
 | 
						|
	sim := simulation.New(map[string]simulation.ServiceFunc{
 | 
						|
		"streamer": func(ctx *adapters.ServiceContext, bucket *sync.Map) (s node.Service, cleanup func(), err error) {
 | 
						|
			addr, netStore, delivery, clean, err := newNetStoreAndDelivery(ctx, bucket)
 | 
						|
			if err != nil {
 | 
						|
				return nil, nil, err
 | 
						|
			}
 | 
						|
 | 
						|
			r := NewRegistry(addr.ID(), delivery, netStore, state.NewInmemoryStore(), &RegistryOptions{
 | 
						|
				Retrieval: RetrievalDisabled,
 | 
						|
				Syncing:   SyncingAutoSubscribe,
 | 
						|
			}, nil)
 | 
						|
			bucket.Store(bucketKeyRegistry, r)
 | 
						|
 | 
						|
			//increase the version ID for each node
 | 
						|
			v++
 | 
						|
			r.spec.Version = v
 | 
						|
 | 
						|
			cleanup = func() {
 | 
						|
				r.Close()
 | 
						|
				clean()
 | 
						|
			}
 | 
						|
 | 
						|
			return r, cleanup, nil
 | 
						|
		},
 | 
						|
	})
 | 
						|
	defer sim.Close()
 | 
						|
 | 
						|
	//connect the nodes
 | 
						|
	log.Info("Adding nodes to simulation")
 | 
						|
	_, err := sim.AddNodesAndConnectChain(2)
 | 
						|
	if err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
	}
 | 
						|
 | 
						|
	log.Info("Starting simulation")
 | 
						|
	ctx := context.Background()
 | 
						|
	//make sure they have time to connect
 | 
						|
	time.Sleep(200 * time.Millisecond)
 | 
						|
	result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
 | 
						|
		//get the pivot node's filestore
 | 
						|
		nodes := sim.UpNodeIDs()
 | 
						|
 | 
						|
		item, ok := sim.NodeItem(nodes[0], bucketKeyRegistry)
 | 
						|
		if !ok {
 | 
						|
			return fmt.Errorf("No filestore")
 | 
						|
		}
 | 
						|
		registry := item.(*Registry)
 | 
						|
 | 
						|
		//getting the other peer should fail due to the different version numbers
 | 
						|
		if registry.getPeer(nodes[1]) != nil {
 | 
						|
			return errors.New("Expected the peer to be nil, but it is not")
 | 
						|
		}
 | 
						|
		return nil
 | 
						|
	})
 | 
						|
	if result.Error != nil {
 | 
						|
		t.Fatal(result.Error)
 | 
						|
	}
 | 
						|
	log.Info("Simulation ended")
 | 
						|
 | 
						|
}
 |