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swarm/network/simulation: use simulations.Event instead p2p.PeerEvent (#18098)

This commit is contained in:
Janoš Guljaš 2018-11-15 21:06:27 +01:00 committed by Viktor Trón
parent b91766fe6d
commit 324027640b
6 changed files with 101 additions and 55 deletions
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108
swarm/network/simulation/events.go
View File

@ -20,16 +20,18 @@ import (
"context"
"sync"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations"
)
// PeerEvent is the type of the channel returned by Simulation.PeerEvents.
type PeerEvent struct {
// NodeID is the ID of node that the event is caught on.
NodeID enode.ID
// PeerID is the ID of the peer node that the event is caught on.
PeerID enode.ID
// Event is the event that is caught.
Event *p2p.PeerEvent
Event *simulations.Event
// Error is the error that may have happened during event watching.
Error error
}
@ -37,7 +39,11 @@ type PeerEvent struct {
// PeerEventsFilter defines a filter on PeerEvents to exclude messages with
// defined properties. Use PeerEventsFilter methods to set required options.
type PeerEventsFilter struct {
t *p2p.PeerEventType
eventType simulations.EventType
connUp *bool
msgReceive *bool
protocol *string
msgCode *uint64
}
@ -47,20 +53,48 @@ func NewPeerEventsFilter() *PeerEventsFilter {
return &PeerEventsFilter{}
}
// Type sets the filter to only one peer event type.
func (f *PeerEventsFilter) Type(t p2p.PeerEventType) *PeerEventsFilter {
f.t = &t
// Connect sets the filter to events when two nodes connect.
func (f *PeerEventsFilter) Connect() *PeerEventsFilter {
f.eventType = simulations.EventTypeConn
b := true
f.connUp = &b
return f
}
// Drop sets the filter to events when two nodes disconnect.
func (f *PeerEventsFilter) Drop() *PeerEventsFilter {
f.eventType = simulations.EventTypeConn
b := false
f.connUp = &b
return f
}
// ReceivedMessages sets the filter to only messages that are received.
func (f *PeerEventsFilter) ReceivedMessages() *PeerEventsFilter {
f.eventType = simulations.EventTypeMsg
b := true
f.msgReceive = &b
return f
}
// SentMessages sets the filter to only messages that are sent.
func (f *PeerEventsFilter) SentMessages() *PeerEventsFilter {
f.eventType = simulations.EventTypeMsg
b := false
f.msgReceive = &b
return f
}
// Protocol sets the filter to only one message protocol.
func (f *PeerEventsFilter) Protocol(p string) *PeerEventsFilter {
f.eventType = simulations.EventTypeMsg
f.protocol = &p
return f
}
// MsgCode sets the filter to only one msg code.
func (f *PeerEventsFilter) MsgCode(c uint64) *PeerEventsFilter {
f.eventType = simulations.EventTypeMsg
f.msgCode = &c
return f
}
@ -80,19 +114,8 @@ func (s *Simulation) PeerEvents(ctx context.Context, ids []enode.ID, filters ...
go func(id enode.ID) {
defer s.shutdownWG.Done()
client, err := s.Net.GetNode(id).Client()
if err != nil {
subsWG.Done()
eventC <- PeerEvent{NodeID: id, Error: err}
return
}
events := make(chan *p2p.PeerEvent)
sub, err := client.Subscribe(ctx, "admin", events, "peerEvents")
if err != nil {
subsWG.Done()
eventC <- PeerEvent{NodeID: id, Error: err}
return
}
events := make(chan *simulations.Event)
sub := s.Net.Events().Subscribe(events)
defer sub.Unsubscribe()
subsWG.Done()
@ -110,28 +133,55 @@ func (s *Simulation) PeerEvents(ctx context.Context, ids []enode.ID, filters ...
case <-s.Done():
return
case e := <-events:
// ignore control events
if e.Control {
continue
}
match := len(filters) == 0 // if there are no filters match all events
for _, f := range filters {
if f.t != nil && *f.t != e.Type {
if f.eventType == simulations.EventTypeConn && e.Conn != nil {
if *f.connUp != e.Conn.Up {
continue
}
if f.protocol != nil && *f.protocol != e.Protocol {
continue
}
if f.msgCode != nil && e.MsgCode != nil && *f.msgCode != *e.MsgCode {
continue
}
// all filter parameters matched, break the loop
// all connection filter parameters matched, break the loop
match = true
break
}
if f.eventType == simulations.EventTypeMsg && e.Msg != nil {
if f.msgReceive != nil && *f.msgReceive != e.Msg.Received {
continue
}
if f.protocol != nil && *f.protocol != e.Msg.Protocol {
continue
}
if f.msgCode != nil && *f.msgCode != e.Msg.Code {
continue
}
// all message filter parameters matched, break the loop
match = true
break
}
}
var peerID enode.ID
switch e.Type {
case simulations.EventTypeConn:
peerID = e.Conn.One
if peerID == id {
peerID = e.Conn.Other
}
case simulations.EventTypeMsg:
peerID = e.Msg.One
if peerID == id {
peerID = e.Msg.Other
}
}
if match {
select {
case eventC <- PeerEvent{NodeID: id, Event: e}:
case eventC <- PeerEvent{NodeID: id, PeerID: peerID, Event: e}:
case <-ctx.Done():
if err := ctx.Err(); err != nil {
select {
case eventC <- PeerEvent{NodeID: id, Error: err}:
case eventC <- PeerEvent{NodeID: id, PeerID: peerID, Error: err}:
case <-s.Done():
}
}

13
swarm/network/simulation/example_test.go
View File

@ -24,7 +24,6 @@ import (
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
"github.com/ethereum/go-ethereum/swarm/network"
"github.com/ethereum/go-ethereum/swarm/network/simulation"
@ -87,7 +86,7 @@ func ExampleSimulation_PeerEvents() {
log.Error("peer event", "err", e.Error)
continue
}
log.Info("peer event", "node", e.NodeID, "peer", e.Event.Peer, "msgcode", e.Event.MsgCode)
log.Info("peer event", "node", e.NodeID, "peer", e.PeerID, "type", e.Event.Type)
}
}()
}
@ -100,7 +99,7 @@ func ExampleSimulation_PeerEvents_disconnections() {
disconnections := sim.PeerEvents(
context.Background(),
sim.NodeIDs(),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
simulation.NewPeerEventsFilter().Drop(),
)
go func() {
@ -109,7 +108,7 @@ func ExampleSimulation_PeerEvents_disconnections() {
log.Error("peer drop", "err", d.Error)
continue
}
log.Warn("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
log.Warn("peer drop", "node", d.NodeID, "peer", d.PeerID)
}
}()
}
@ -124,8 +123,8 @@ func ExampleSimulation_PeerEvents_multipleFilters() {
context.Background(),
sim.NodeIDs(),
// Watch when bzz messages 1 and 4 are received.
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeMsgRecv).Protocol("bzz").MsgCode(1),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeMsgRecv).Protocol("bzz").MsgCode(4),
simulation.NewPeerEventsFilter().ReceivedMessages().Protocol("bzz").MsgCode(1),
simulation.NewPeerEventsFilter().ReceivedMessages().Protocol("bzz").MsgCode(4),
)
go func() {
@ -134,7 +133,7 @@ func ExampleSimulation_PeerEvents_multipleFilters() {
log.Error("bzz message", "err", m.Error)
continue
}
log.Info("bzz message", "node", m.NodeID, "peer", m.Event.Peer)
log.Info("bzz message", "node", m.NodeID, "peer", m.PeerID)
}
}()
}

8
swarm/network/stream/delivery_test.go
View File

@ -565,13 +565,13 @@ func testDeliveryFromNodes(t *testing.T, nodes, conns, chunkCount int, skipCheck
disconnections := sim.PeerEvents(
context.Background(),
sim.NodeIDs(),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
simulation.NewPeerEventsFilter().Drop(),
)
go func() {
for d := range disconnections {
if d.Error != nil {
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
log.Error("peer drop", "node", d.NodeID, "peer", d.PeerID)
t.Fatal(d.Error)
}
}
@ -697,13 +697,13 @@ func benchmarkDeliveryFromNodes(b *testing.B, nodes, conns, chunkCount int, skip
disconnections := sim.PeerEvents(
context.Background(),
sim.NodeIDs(),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
simulation.NewPeerEventsFilter().Drop(),
)
go func() {
for d := range disconnections {
if d.Error != nil {
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
log.Error("peer drop", "node", d.NodeID, "peer", d.PeerID)
b.Fatal(d.Error)
}
}

5
swarm/network/stream/intervals_test.go
View File

@ -27,7 +27,6 @@ import (
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
"github.com/ethereum/go-ethereum/swarm/network"
@ -154,7 +153,7 @@ func testIntervals(t *testing.T, live bool, history *Range, skipCheck bool) {
disconnections := sim.PeerEvents(
context.Background(),
sim.NodeIDs(),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
simulation.NewPeerEventsFilter().Drop(),
)
err = registry.Subscribe(storer, NewStream(externalStreamName, "", live), history, Top)
@ -165,7 +164,7 @@ func testIntervals(t *testing.T, live bool, history *Range, skipCheck bool) {
go func() {
for d := range disconnections {
if d.Error != nil {
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
log.Error("peer drop", "node", d.NodeID, "peer", d.PeerID)
t.Fatal(d.Error)
}
}

11
swarm/network/stream/snapshot_sync_test.go
View File

@ -27,7 +27,6 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
@ -210,12 +209,12 @@ func testSyncingViaGlobalSync(t *testing.T, chunkCount int, nodeCount int) {
disconnections := sim.PeerEvents(
context.Background(),
sim.NodeIDs(),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
simulation.NewPeerEventsFilter().Drop(),
)
go func() {
for d := range disconnections {
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
log.Error("peer drop", "node", d.NodeID, "peer", d.PeerID)
t.Fatal("unexpected disconnect")
cancelSimRun()
}
@ -402,12 +401,12 @@ func testSyncingViaDirectSubscribe(t *testing.T, chunkCount int, nodeCount int)
disconnections := sim.PeerEvents(
context.Background(),
sim.NodeIDs(),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
simulation.NewPeerEventsFilter().Drop(),
)
go func() {
for d := range disconnections {
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
log.Error("peer drop", "node", d.NodeID, "peer", d.PeerID)
t.Fatal("unexpected disconnect")
cancelSimRun()
}
@ -428,7 +427,7 @@ func testSyncingViaDirectSubscribe(t *testing.T, chunkCount int, nodeCount int)
var subscriptionCount int
filter := simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeMsgRecv).Protocol("stream").MsgCode(4)
filter := simulation.NewPeerEventsFilter().ReceivedMessages().Protocol("stream").MsgCode(4)
eventC := sim.PeerEvents(ctx, nodeIDs, filter)
for j, node := range nodeIDs {

5
swarm/network/stream/syncer_test.go
View File

@ -28,7 +28,6 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
"github.com/ethereum/go-ethereum/swarm/log"
@ -151,13 +150,13 @@ func testSyncBetweenNodes(t *testing.T, nodes, conns, chunkCount int, skipCheck
disconnections := sim.PeerEvents(
context.Background(),
sim.NodeIDs(),
simulation.NewPeerEventsFilter().Type(p2p.PeerEventTypeDrop),
simulation.NewPeerEventsFilter().Drop(),
)
go func() {
for d := range disconnections {
if d.Error != nil {
log.Error("peer drop", "node", d.NodeID, "peer", d.Event.Peer)
log.Error("peer drop", "node", d.NodeID, "peer", d.PeerID)
t.Fatal(d.Error)
}
}