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1214 lines
27 KiB
1214 lines
27 KiB
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package stream
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"os"
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"strconv"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
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p2ptest "github.com/ethereum/go-ethereum/p2p/testing"
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"github.com/ethereum/go-ethereum/swarm/network"
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"github.com/ethereum/go-ethereum/swarm/network/simulation"
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"github.com/ethereum/go-ethereum/swarm/state"
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"github.com/ethereum/go-ethereum/swarm/testutil"
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"golang.org/x/crypto/sha3"
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)
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func TestStreamerSubscribe(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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stream := NewStream("foo", "", true)
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err = streamer.Subscribe(tester.Nodes[0].ID(), stream, NewRange(0, 0), Top)
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if err == nil || err.Error() != "stream foo not registered" {
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t.Fatalf("Expected error %v, got %v", "stream foo not registered", err)
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}
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}
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func TestStreamerRequestSubscription(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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stream := NewStream("foo", "", false)
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err = streamer.RequestSubscription(tester.Nodes[0].ID(), stream, &Range{}, Top)
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if err == nil || err.Error() != "stream foo not registered" {
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t.Fatalf("Expected error %v, got %v", "stream foo not registered", err)
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}
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}
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var (
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hash0 = sha3.Sum256([]byte{0})
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hash1 = sha3.Sum256([]byte{1})
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hash2 = sha3.Sum256([]byte{2})
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hashesTmp = append(hash0[:], hash1[:]...)
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hashes = append(hashesTmp, hash2[:]...)
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corruptHashes = append(hashes[:40])
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)
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type testClient struct {
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t string
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wait0 chan bool
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wait2 chan bool
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batchDone chan bool
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receivedHashes map[string][]byte
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}
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func newTestClient(t string) *testClient {
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return &testClient{
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t: t,
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wait0: make(chan bool),
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wait2: make(chan bool),
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batchDone: make(chan bool),
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receivedHashes: make(map[string][]byte),
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}
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}
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func (self *testClient) NeedData(ctx context.Context, hash []byte) func(context.Context) error {
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self.receivedHashes[string(hash)] = hash
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if bytes.Equal(hash, hash0[:]) {
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return func(context.Context) error {
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<-self.wait0
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return nil
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}
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} else if bytes.Equal(hash, hash2[:]) {
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return func(context.Context) error {
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<-self.wait2
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return nil
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}
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}
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return nil
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}
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func (self *testClient) BatchDone(Stream, uint64, []byte, []byte) func() (*TakeoverProof, error) {
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close(self.batchDone)
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return nil
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}
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func (self *testClient) Close() {}
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type testServer struct {
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t string
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sessionIndex uint64
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}
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func newTestServer(t string, sessionIndex uint64) *testServer {
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return &testServer{
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t: t,
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sessionIndex: sessionIndex,
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}
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}
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func (s *testServer) SessionIndex() (uint64, error) {
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return s.sessionIndex, nil
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}
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func (self *testServer) SetNextBatch(from uint64, to uint64) ([]byte, uint64, uint64, *HandoverProof, error) {
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return make([]byte, HashSize), from + 1, to + 1, nil, nil
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}
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func (self *testServer) GetData(context.Context, []byte) ([]byte, error) {
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return nil, nil
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}
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func (self *testServer) Close() {
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}
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func TestStreamerDownstreamSubscribeUnsubscribeMsgExchange(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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streamer.RegisterClientFunc("foo", func(p *Peer, t string, live bool) (Client, error) {
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return newTestClient(t), nil
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})
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node := tester.Nodes[0]
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stream := NewStream("foo", "", true)
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err = streamer.Subscribe(node.ID(), stream, NewRange(5, 8), Top)
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if err != nil {
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t.Fatalf("Expected no error, got %v", err)
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}
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err = tester.TestExchanges(
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p2ptest.Exchange{
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Label: "Subscribe message",
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Expects: []p2ptest.Expect{
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{
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Code: 4,
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Msg: &SubscribeMsg{
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Stream: stream,
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History: NewRange(5, 8),
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Priority: Top,
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},
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Peer: node.ID(),
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},
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},
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},
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// trigger OfferedHashesMsg to actually create the client
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p2ptest.Exchange{
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Label: "OfferedHashes message",
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Triggers: []p2ptest.Trigger{
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{
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Code: 1,
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Msg: &OfferedHashesMsg{
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HandoverProof: &HandoverProof{
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Handover: &Handover{},
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},
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Hashes: hashes,
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From: 5,
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To: 8,
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Stream: stream,
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},
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Peer: node.ID(),
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},
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},
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Expects: []p2ptest.Expect{
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{
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Code: 2,
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Msg: &WantedHashesMsg{
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Stream: stream,
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Want: []byte{5},
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From: 9,
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To: 0,
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},
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Peer: node.ID(),
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},
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},
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},
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)
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if err != nil {
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t.Fatal(err)
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}
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err = streamer.Unsubscribe(node.ID(), stream)
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if err != nil {
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t.Fatalf("Expected no error, got %v", err)
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}
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err = tester.TestExchanges(p2ptest.Exchange{
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Label: "Unsubscribe message",
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Expects: []p2ptest.Expect{
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{
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Code: 0,
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Msg: &UnsubscribeMsg{
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Stream: stream,
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},
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Peer: node.ID(),
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestStreamerUpstreamSubscribeUnsubscribeMsgExchange(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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stream := NewStream("foo", "", false)
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streamer.RegisterServerFunc("foo", func(p *Peer, t string, live bool) (Server, error) {
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return newTestServer(t, 10), nil
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})
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node := tester.Nodes[0]
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err = tester.TestExchanges(p2ptest.Exchange{
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Label: "Subscribe message",
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Triggers: []p2ptest.Trigger{
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{
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Code: 4,
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Msg: &SubscribeMsg{
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Stream: stream,
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History: NewRange(5, 8),
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Priority: Top,
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},
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Peer: node.ID(),
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},
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},
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Expects: []p2ptest.Expect{
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{
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Code: 1,
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Msg: &OfferedHashesMsg{
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Stream: stream,
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HandoverProof: &HandoverProof{
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Handover: &Handover{},
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},
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Hashes: make([]byte, HashSize),
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From: 6,
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To: 9,
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},
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Peer: node.ID(),
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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err = tester.TestExchanges(p2ptest.Exchange{
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Label: "unsubscribe message",
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Triggers: []p2ptest.Trigger{
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{
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Code: 0,
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Msg: &UnsubscribeMsg{
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Stream: stream,
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},
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Peer: node.ID(),
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestStreamerUpstreamSubscribeUnsubscribeMsgExchangeLive(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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stream := NewStream("foo", "", true)
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streamer.RegisterServerFunc("foo", func(p *Peer, t string, live bool) (Server, error) {
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return newTestServer(t, 0), nil
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})
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node := tester.Nodes[0]
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err = tester.TestExchanges(p2ptest.Exchange{
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Label: "Subscribe message",
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Triggers: []p2ptest.Trigger{
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{
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Code: 4,
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Msg: &SubscribeMsg{
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Stream: stream,
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Priority: Top,
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},
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Peer: node.ID(),
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},
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},
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Expects: []p2ptest.Expect{
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{
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Code: 1,
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Msg: &OfferedHashesMsg{
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Stream: stream,
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HandoverProof: &HandoverProof{
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Handover: &Handover{},
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},
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Hashes: make([]byte, HashSize),
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From: 1,
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To: 0,
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},
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Peer: node.ID(),
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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err = tester.TestExchanges(p2ptest.Exchange{
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Label: "unsubscribe message",
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Triggers: []p2ptest.Trigger{
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{
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Code: 0,
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Msg: &UnsubscribeMsg{
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Stream: stream,
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},
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Peer: node.ID(),
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestStreamerUpstreamSubscribeErrorMsgExchange(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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streamer.RegisterServerFunc("foo", func(p *Peer, t string, live bool) (Server, error) {
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return newTestServer(t, 0), nil
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})
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stream := NewStream("bar", "", true)
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node := tester.Nodes[0]
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err = tester.TestExchanges(p2ptest.Exchange{
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Label: "Subscribe message",
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Triggers: []p2ptest.Trigger{
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{
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Code: 4,
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Msg: &SubscribeMsg{
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Stream: stream,
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History: NewRange(5, 8),
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Priority: Top,
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},
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Peer: node.ID(),
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},
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},
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Expects: []p2ptest.Expect{
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{
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Code: 7,
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Msg: &SubscribeErrorMsg{
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Error: "stream bar not registered",
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},
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Peer: node.ID(),
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestStreamerUpstreamSubscribeLiveAndHistory(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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stream := NewStream("foo", "", true)
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streamer.RegisterServerFunc("foo", func(p *Peer, t string, live bool) (Server, error) {
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return newTestServer(t, 10), nil
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})
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node := tester.Nodes[0]
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err = tester.TestExchanges(p2ptest.Exchange{
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Label: "Subscribe message",
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Triggers: []p2ptest.Trigger{
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{
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Code: 4,
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Msg: &SubscribeMsg{
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Stream: stream,
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History: NewRange(5, 8),
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Priority: Top,
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},
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Peer: node.ID(),
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},
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},
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Expects: []p2ptest.Expect{
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{
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Code: 1,
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Msg: &OfferedHashesMsg{
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Stream: NewStream("foo", "", false),
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HandoverProof: &HandoverProof{
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Handover: &Handover{},
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},
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Hashes: make([]byte, HashSize),
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From: 6,
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To: 9,
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},
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Peer: node.ID(),
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},
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{
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Code: 1,
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Msg: &OfferedHashesMsg{
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Stream: stream,
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HandoverProof: &HandoverProof{
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Handover: &Handover{},
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},
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From: 11,
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To: 0,
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Hashes: make([]byte, HashSize),
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},
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Peer: node.ID(),
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},
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},
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})
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|
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if err != nil {
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t.Fatal(err)
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}
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}
|
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|
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func TestStreamerDownstreamCorruptHashesMsgExchange(t *testing.T) {
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tester, streamer, _, teardown, err := newStreamerTester(nil)
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if err != nil {
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t.Fatal(err)
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}
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defer teardown()
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|
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stream := NewStream("foo", "", true)
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|
|
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var tc *testClient
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streamer.RegisterClientFunc("foo", func(p *Peer, t string, live bool) (Client, error) {
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tc = newTestClient(t)
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return tc, nil
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})
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|
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node := tester.Nodes[0]
|
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|
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err = streamer.Subscribe(node.ID(), stream, NewRange(5, 8), Top)
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if err != nil {
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t.Fatalf("Expected no error, got %v", err)
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}
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|
|
|
err = tester.TestExchanges(p2ptest.Exchange{
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Label: "Subscribe message",
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|
Expects: []p2ptest.Expect{
|
|
{
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|
Code: 4,
|
|
Msg: &SubscribeMsg{
|
|
Stream: stream,
|
|
History: NewRange(5, 8),
|
|
Priority: Top,
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|
},
|
|
Peer: node.ID(),
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},
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},
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},
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p2ptest.Exchange{
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|
Label: "Corrupt offered hash message",
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|
Triggers: []p2ptest.Trigger{
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|
{
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Code: 1,
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Msg: &OfferedHashesMsg{
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HandoverProof: &HandoverProof{
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Handover: &Handover{},
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},
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Hashes: corruptHashes,
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|
From: 5,
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To: 8,
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Stream: stream,
|
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},
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|
Peer: node.ID(),
|
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},
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},
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})
|
|
if err != nil {
|
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t.Fatal(err)
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|
}
|
|
|
|
expectedError := errors.New("subprotocol error")
|
|
if err := tester.TestDisconnected(&p2ptest.Disconnect{Peer: node.ID(), Error: expectedError}); err != nil {
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t.Fatal(err)
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}
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}
|
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|
|
func TestStreamerDownstreamOfferedHashesMsgExchange(t *testing.T) {
|
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tester, streamer, _, teardown, err := newStreamerTester(nil)
|
|
if err != nil {
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t.Fatal(err)
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}
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defer teardown()
|
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|
|
stream := NewStream("foo", "", true)
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|
|
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var tc *testClient
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|
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streamer.RegisterClientFunc("foo", func(p *Peer, t string, live bool) (Client, error) {
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tc = newTestClient(t)
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|
return tc, nil
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|
})
|
|
|
|
node := tester.Nodes[0]
|
|
|
|
err = streamer.Subscribe(node.ID(), stream, NewRange(5, 8), Top)
|
|
if err != nil {
|
|
t.Fatalf("Expected no error, got %v", err)
|
|
}
|
|
|
|
err = tester.TestExchanges(p2ptest.Exchange{
|
|
Label: "Subscribe message",
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|
Expects: []p2ptest.Expect{
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|
{
|
|
Code: 4,
|
|
Msg: &SubscribeMsg{
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|
Stream: stream,
|
|
History: NewRange(5, 8),
|
|
Priority: Top,
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|
},
|
|
Peer: node.ID(),
|
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},
|
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},
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|
},
|
|
p2ptest.Exchange{
|
|
Label: "WantedHashes message",
|
|
Triggers: []p2ptest.Trigger{
|
|
{
|
|
Code: 1,
|
|
Msg: &OfferedHashesMsg{
|
|
HandoverProof: &HandoverProof{
|
|
Handover: &Handover{},
|
|
},
|
|
Hashes: hashes,
|
|
From: 5,
|
|
To: 8,
|
|
Stream: stream,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 2,
|
|
Msg: &WantedHashesMsg{
|
|
Stream: stream,
|
|
Want: []byte{5},
|
|
From: 9,
|
|
To: 0,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if len(tc.receivedHashes) != 3 {
|
|
t.Fatalf("Expected number of received hashes %v, got %v", 3, len(tc.receivedHashes))
|
|
}
|
|
|
|
close(tc.wait0)
|
|
|
|
timeout := time.NewTimer(100 * time.Millisecond)
|
|
defer timeout.Stop()
|
|
|
|
select {
|
|
case <-tc.batchDone:
|
|
t.Fatal("batch done early")
|
|
case <-timeout.C:
|
|
}
|
|
|
|
close(tc.wait2)
|
|
|
|
timeout2 := time.NewTimer(10000 * time.Millisecond)
|
|
defer timeout2.Stop()
|
|
|
|
select {
|
|
case <-tc.batchDone:
|
|
case <-timeout2.C:
|
|
t.Fatal("timeout waiting batchdone call")
|
|
}
|
|
|
|
}
|
|
|
|
func TestStreamerRequestSubscriptionQuitMsgExchange(t *testing.T) {
|
|
tester, streamer, _, teardown, err := newStreamerTester(nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer teardown()
|
|
|
|
streamer.RegisterServerFunc("foo", func(p *Peer, t string, live bool) (Server, error) {
|
|
return newTestServer(t, 10), nil
|
|
})
|
|
|
|
node := tester.Nodes[0]
|
|
|
|
stream := NewStream("foo", "", true)
|
|
err = streamer.RequestSubscription(node.ID(), stream, NewRange(5, 8), Top)
|
|
if err != nil {
|
|
t.Fatalf("Expected no error, got %v", err)
|
|
}
|
|
|
|
err = tester.TestExchanges(
|
|
p2ptest.Exchange{
|
|
Label: "RequestSubscription message",
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 8,
|
|
Msg: &RequestSubscriptionMsg{
|
|
Stream: stream,
|
|
History: NewRange(5, 8),
|
|
Priority: Top,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
},
|
|
p2ptest.Exchange{
|
|
Label: "Subscribe message",
|
|
Triggers: []p2ptest.Trigger{
|
|
{
|
|
Code: 4,
|
|
Msg: &SubscribeMsg{
|
|
Stream: stream,
|
|
History: NewRange(5, 8),
|
|
Priority: Top,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 1,
|
|
Msg: &OfferedHashesMsg{
|
|
Stream: NewStream("foo", "", false),
|
|
HandoverProof: &HandoverProof{
|
|
Handover: &Handover{},
|
|
},
|
|
Hashes: make([]byte, HashSize),
|
|
From: 6,
|
|
To: 9,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
{
|
|
Code: 1,
|
|
Msg: &OfferedHashesMsg{
|
|
Stream: stream,
|
|
HandoverProof: &HandoverProof{
|
|
Handover: &Handover{},
|
|
},
|
|
From: 11,
|
|
To: 0,
|
|
Hashes: make([]byte, HashSize),
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
},
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = streamer.Quit(node.ID(), stream)
|
|
if err != nil {
|
|
t.Fatalf("Expected no error, got %v", err)
|
|
}
|
|
|
|
err = tester.TestExchanges(p2ptest.Exchange{
|
|
Label: "Quit message",
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 9,
|
|
Msg: &QuitMsg{
|
|
Stream: stream,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
historyStream := getHistoryStream(stream)
|
|
|
|
err = streamer.Quit(node.ID(), historyStream)
|
|
if err != nil {
|
|
t.Fatalf("Expected no error, got %v", err)
|
|
}
|
|
|
|
err = tester.TestExchanges(p2ptest.Exchange{
|
|
Label: "Quit message",
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 9,
|
|
Msg: &QuitMsg{
|
|
Stream: historyStream,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// TestMaxPeerServersWithUnsubscribe creates a registry with a limited
|
|
// number of stream servers, and performs a test with subscriptions and
|
|
// unsubscriptions, checking if unsubscriptions will remove streams,
|
|
// leaving place for new streams.
|
|
func TestMaxPeerServersWithUnsubscribe(t *testing.T) {
|
|
var maxPeerServers = 6
|
|
tester, streamer, _, teardown, err := newStreamerTester(&RegistryOptions{
|
|
Syncing: SyncingDisabled,
|
|
MaxPeerServers: maxPeerServers,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer teardown()
|
|
|
|
streamer.RegisterServerFunc("foo", func(p *Peer, t string, live bool) (Server, error) {
|
|
return newTestServer(t, 0), nil
|
|
})
|
|
|
|
node := tester.Nodes[0]
|
|
|
|
for i := 0; i < maxPeerServers+10; i++ {
|
|
stream := NewStream("foo", strconv.Itoa(i), true)
|
|
|
|
err = tester.TestExchanges(p2ptest.Exchange{
|
|
Label: "Subscribe message",
|
|
Triggers: []p2ptest.Trigger{
|
|
{
|
|
Code: 4,
|
|
Msg: &SubscribeMsg{
|
|
Stream: stream,
|
|
Priority: Top,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 1,
|
|
Msg: &OfferedHashesMsg{
|
|
Stream: stream,
|
|
HandoverProof: &HandoverProof{
|
|
Handover: &Handover{},
|
|
},
|
|
Hashes: make([]byte, HashSize),
|
|
From: 1,
|
|
To: 0,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = tester.TestExchanges(p2ptest.Exchange{
|
|
Label: "unsubscribe message",
|
|
Triggers: []p2ptest.Trigger{
|
|
{
|
|
Code: 0,
|
|
Msg: &UnsubscribeMsg{
|
|
Stream: stream,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestMaxPeerServersWithoutUnsubscribe creates a registry with a limited
|
|
// number of stream servers, and performs subscriptions to detect subscriptions
|
|
// error message exchange.
|
|
func TestMaxPeerServersWithoutUnsubscribe(t *testing.T) {
|
|
var maxPeerServers = 6
|
|
tester, streamer, _, teardown, err := newStreamerTester(&RegistryOptions{
|
|
MaxPeerServers: maxPeerServers,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer teardown()
|
|
|
|
streamer.RegisterServerFunc("foo", func(p *Peer, t string, live bool) (Server, error) {
|
|
return newTestServer(t, 0), nil
|
|
})
|
|
|
|
node := tester.Nodes[0]
|
|
|
|
for i := 0; i < maxPeerServers+10; i++ {
|
|
stream := NewStream("foo", strconv.Itoa(i), true)
|
|
|
|
if i >= maxPeerServers {
|
|
err = tester.TestExchanges(p2ptest.Exchange{
|
|
Label: "Subscribe message",
|
|
Triggers: []p2ptest.Trigger{
|
|
{
|
|
Code: 4,
|
|
Msg: &SubscribeMsg{
|
|
Stream: stream,
|
|
Priority: Top,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 7,
|
|
Msg: &SubscribeErrorMsg{
|
|
Error: ErrMaxPeerServers.Error(),
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
continue
|
|
}
|
|
|
|
err = tester.TestExchanges(p2ptest.Exchange{
|
|
Label: "Subscribe message",
|
|
Triggers: []p2ptest.Trigger{
|
|
{
|
|
Code: 4,
|
|
Msg: &SubscribeMsg{
|
|
Stream: stream,
|
|
Priority: Top,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
Expects: []p2ptest.Expect{
|
|
{
|
|
Code: 1,
|
|
Msg: &OfferedHashesMsg{
|
|
Stream: stream,
|
|
HandoverProof: &HandoverProof{
|
|
Handover: &Handover{},
|
|
},
|
|
Hashes: make([]byte, HashSize),
|
|
From: 1,
|
|
To: 0,
|
|
},
|
|
Peer: node.ID(),
|
|
},
|
|
},
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
//TestHasPriceImplementation is to check that the Registry has a
|
|
//`Price` interface implementation
|
|
func TestHasPriceImplementation(t *testing.T) {
|
|
_, r, _, teardown, err := newStreamerTester(&RegistryOptions{
|
|
Syncing: SyncingDisabled,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer teardown()
|
|
|
|
if r.prices == nil {
|
|
t.Fatal("No prices implementation available for the stream protocol")
|
|
}
|
|
|
|
pricesInstance, ok := r.prices.(*StreamerPrices)
|
|
if !ok {
|
|
t.Fatal("`Registry` does not have the expected Prices instance")
|
|
}
|
|
price := pricesInstance.Price(&ChunkDeliveryMsgRetrieval{})
|
|
if price == nil || price.Value == 0 || price.Value != pricesInstance.getChunkDeliveryMsgRetrievalPrice() {
|
|
t.Fatal("No prices set for chunk delivery msg")
|
|
}
|
|
|
|
price = pricesInstance.Price(&RetrieveRequestMsg{})
|
|
if price == nil || price.Value == 0 || price.Value != pricesInstance.getRetrieveRequestMsgPrice() {
|
|
t.Fatal("No prices set for chunk delivery msg")
|
|
}
|
|
}
|
|
|
|
// TestGetServerSubscriptions is a unit test for the api.GetPeerServerSubscriptions() function
|
|
func TestGetServerSubscriptions(t *testing.T) {
|
|
// create an amount of dummy peers
|
|
testPeerCount := 8
|
|
// every peer will have this amount of dummy servers
|
|
testServerCount := 4
|
|
// the peerMap which will store this data for the registry
|
|
peerMap := make(map[enode.ID]*Peer)
|
|
// create the registry
|
|
r := &Registry{}
|
|
api := NewAPI(r)
|
|
// call once, at this point should be empty
|
|
regs := api.GetPeerServerSubscriptions()
|
|
if len(regs) != 0 {
|
|
t.Fatal("Expected subscription count to be 0, but it is not")
|
|
}
|
|
|
|
// now create a number of dummy servers for each node
|
|
for i := 0; i < testPeerCount; i++ {
|
|
addr := network.RandomAddr()
|
|
id := addr.ID()
|
|
p := &Peer{}
|
|
p.servers = make(map[Stream]*server)
|
|
for k := 0; k < testServerCount; k++ {
|
|
s := Stream{
|
|
Name: strconv.Itoa(k),
|
|
Key: "",
|
|
Live: false,
|
|
}
|
|
p.servers[s] = &server{}
|
|
}
|
|
peerMap[id] = p
|
|
}
|
|
r.peers = peerMap
|
|
|
|
// call the subscriptions again
|
|
regs = api.GetPeerServerSubscriptions()
|
|
// count how many (fake) subscriptions there are
|
|
cnt := 0
|
|
for _, reg := range regs {
|
|
for range reg {
|
|
cnt++
|
|
}
|
|
}
|
|
// check expected value
|
|
expectedCount := testPeerCount * testServerCount
|
|
if cnt != expectedCount {
|
|
t.Fatalf("Expected %d subscriptions, but got %d", expectedCount, cnt)
|
|
}
|
|
}
|
|
|
|
/*
|
|
TestGetServerSubscriptionsRPC sets up a simulation network of `nodeCount` nodes,
|
|
starts the simulation, waits for SyncUpdateDelay in order to kick off
|
|
stream registration, then tests that there are subscriptions.
|
|
*/
|
|
func TestGetServerSubscriptionsRPC(t *testing.T) {
|
|
|
|
if testutil.RaceEnabled && os.Getenv("TRAVIS") == "true" {
|
|
t.Skip("flaky with -race on Travis")
|
|
// Note: related ticket https://github.com/ethersphere/go-ethereum/issues/1234
|
|
}
|
|
|
|
// arbitrarily set to 4
|
|
nodeCount := 4
|
|
// set the syncUpdateDelay for sync registrations to start
|
|
syncUpdateDelay := 200 * time.Millisecond
|
|
// run with more nodes if `longrunning` flag is set
|
|
if *longrunning {
|
|
nodeCount = 64
|
|
syncUpdateDelay = 10 * time.Second
|
|
}
|
|
// holds the msg code for SubscribeMsg
|
|
var subscribeMsgCode uint64
|
|
var ok bool
|
|
var expectedMsgCount counter
|
|
|
|
// this channel signalizes that the expected amount of subscriptiosn is done
|
|
allSubscriptionsDone := make(chan struct{})
|
|
// after the test, we need to reset the subscriptionFunc to the default
|
|
defer func() { subscriptionFunc = doRequestSubscription }()
|
|
|
|
// we use this subscriptionFunc for this test: just increases count and calls the actual subscription
|
|
subscriptionFunc = func(r *Registry, id enode.ID, bin uint8) error {
|
|
// syncing starts after syncUpdateDelay and loops after that Duration; we only want to count at the first iteration
|
|
// in the first iteration, subs will be empty (no existing subscriptions), thus we can use this check
|
|
// this avoids flakyness
|
|
expectedMsgCount.inc()
|
|
doRequestSubscription(r, id, bin)
|
|
return nil
|
|
}
|
|
// create a standard sim
|
|
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 := newNetStoreAndDeliveryWithRequestFunc(ctx, bucket, dummyRequestFromPeers)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
// configure so that sync registrations actually happen
|
|
r := NewRegistry(addr.ID(), delivery, netStore, state.NewInmemoryStore(), &RegistryOptions{
|
|
Syncing: SyncingAutoSubscribe, //enable sync registrations
|
|
SyncUpdateDelay: syncUpdateDelay,
|
|
}, nil)
|
|
|
|
// get the SubscribeMsg code
|
|
subscribeMsgCode, ok = r.GetSpec().GetCode(SubscribeMsg{})
|
|
if !ok {
|
|
t.Fatal("Message code for SubscribeMsg not found")
|
|
}
|
|
|
|
cleanup = func() {
|
|
r.Close()
|
|
clean()
|
|
}
|
|
|
|
return r, cleanup, nil
|
|
},
|
|
})
|
|
defer sim.Close()
|
|
|
|
ctx, cancelSimRun := context.WithTimeout(context.Background(), 3*time.Minute)
|
|
defer cancelSimRun()
|
|
|
|
// setup the filter for SubscribeMsg
|
|
msgs := sim.PeerEvents(
|
|
context.Background(),
|
|
sim.UpNodeIDs(),
|
|
simulation.NewPeerEventsFilter().ReceivedMessages().Protocol("stream").MsgCode(subscribeMsgCode),
|
|
)
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
|
|
defer cancel()
|
|
filename := fmt.Sprintf("testing/snapshot_%d.json", nodeCount)
|
|
if err := sim.UploadSnapshot(ctx, filename); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// strategy: listen to all SubscribeMsg events; after every event we wait
|
|
// if after `waitDuration` no more messages are being received, we assume the
|
|
// subscription phase has terminated!
|
|
|
|
// the loop in this go routine will either wait for new message events
|
|
// or times out after 1 second, which signals that we are not receiving
|
|
// any new subscriptions any more
|
|
go func() {
|
|
//for long running sims, waiting 1 sec will not be enough
|
|
waitDuration := 1 * time.Second
|
|
if *longrunning {
|
|
waitDuration = 3 * time.Second
|
|
}
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
case m := <-msgs: // just reset the loop
|
|
if m.Error != nil {
|
|
log.Error("stream message", "err", m.Error)
|
|
continue
|
|
}
|
|
log.Trace("stream message", "node", m.NodeID, "peer", m.PeerID)
|
|
case <-time.After(waitDuration):
|
|
// one second passed, don't assume more subscriptions
|
|
allSubscriptionsDone <- struct{}{}
|
|
log.Info("All subscriptions received")
|
|
return
|
|
|
|
}
|
|
}
|
|
}()
|
|
|
|
//run the simulation
|
|
result := sim.Run(ctx, func(ctx context.Context, sim *simulation.Simulation) error {
|
|
log.Info("Simulation running")
|
|
nodes := sim.Net.Nodes
|
|
|
|
//wait until all subscriptions are done
|
|
select {
|
|
case <-allSubscriptionsDone:
|
|
case <-ctx.Done():
|
|
return errors.New("Context timed out")
|
|
}
|
|
|
|
log.Debug("Expected message count: ", "expectedMsgCount", expectedMsgCount.count())
|
|
//now iterate again, this time we call each node via RPC to get its subscriptions
|
|
realCount := 0
|
|
for _, node := range nodes {
|
|
//create rpc client
|
|
client, err := node.Client()
|
|
if err != nil {
|
|
return fmt.Errorf("create node 1 rpc client fail: %v", err)
|
|
}
|
|
|
|
//ask it for subscriptions
|
|
pstreams := make(map[string][]string)
|
|
err = client.Call(&pstreams, "stream_getPeerServerSubscriptions")
|
|
if err != nil {
|
|
return fmt.Errorf("client call stream_getPeerSubscriptions: %v", err)
|
|
}
|
|
//length of the subscriptions can not be smaller than number of peers
|
|
log.Debug("node subscriptions", "node", node.String())
|
|
for p, ps := range pstreams {
|
|
log.Debug("... with", "peer", p)
|
|
for _, s := range ps {
|
|
log.Debug(".......", "stream", s)
|
|
// each node also has subscriptions to RETRIEVE_REQUEST streams,
|
|
// we need to ignore those, we are only counting SYNC streams
|
|
if !strings.HasPrefix(s, "RETRIEVE_REQUEST") {
|
|
realCount++
|
|
}
|
|
}
|
|
}
|
|
log.Debug("All node streams counted", "realCount", realCount)
|
|
}
|
|
emc := expectedMsgCount.count()
|
|
// after a subscription request, internally a live AND a history stream will be subscribed,
|
|
// thus the real count should be half of the actual request subscriptions sent
|
|
if realCount/2 != emc {
|
|
return fmt.Errorf("Real subscriptions and expected amount don't match; real: %d, expected: %d", realCount/2, emc)
|
|
}
|
|
return nil
|
|
})
|
|
if result.Error != nil {
|
|
t.Fatal(result.Error)
|
|
}
|
|
}
|
|
|
|
// counter is used to concurrently increment
|
|
// and read an integer value.
|
|
type counter struct {
|
|
v int
|
|
mu sync.RWMutex
|
|
}
|
|
|
|
// Increment the counter.
|
|
func (c *counter) inc() {
|
|
c.mu.Lock()
|
|
defer c.mu.Unlock()
|
|
|
|
c.v++
|
|
}
|
|
|
|
// Read the counter value.
|
|
func (c *counter) count() int {
|
|
c.mu.RLock()
|
|
defer c.mu.RUnlock()
|
|
|
|
return c.v
|
|
}
|
|
|