/
pss.go
202 lines (166 loc) · 4.53 KB
/
pss.go
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package pss
import (
"context"
"errors"
"fmt"
"math/rand"
"net/http"
"time"
"github.com/ethersphere/beekeeper/pkg/bee"
"github.com/ethersphere/beekeeper/pkg/bee/api"
"github.com/ethersphere/beekeeper/pkg/beekeeper"
"github.com/ethersphere/beekeeper/pkg/logging"
"github.com/ethersphere/beekeeper/pkg/orchestration"
"github.com/ethersphere/beekeeper/pkg/random"
"github.com/gorilla/websocket"
)
// Options represents check options
type Options struct {
Count int64
AddressPrefix int
GasPrice string
PostageAmount int64
PostageDepth uint64
PostageLabel string
RequestTimeout time.Duration
Seed int64
}
// NewDefaultOptions returns new default options
func NewDefaultOptions() Options {
return Options{
Count: 1,
AddressPrefix: 1,
GasPrice: "",
PostageAmount: 1,
PostageDepth: 16,
PostageLabel: "test-label",
RequestTimeout: 5 * time.Minute,
Seed: random.Int64(),
}
}
// compile check whether Check implements interface
var _ beekeeper.Action = (*Check)(nil)
// Check instance
type Check struct {
metrics metrics
logger logging.Logger
}
// NewCheck returns new check
func NewCheck(logger logging.Logger) beekeeper.Action {
return &Check{
metrics: newMetrics(),
logger: logger,
}
}
func (c *Check) Run(ctx context.Context, cluster orchestration.Cluster, opts interface{}) (err error) {
o, ok := opts.(Options)
if !ok {
return fmt.Errorf("invalid options type")
}
clients, err := cluster.NodesClients(ctx)
if err != nil {
return err
}
r := random.PseudoGenerator(o.Seed)
fullNodeNames := cluster.FullNodeNames()
if len(fullNodeNames) < 2 {
return fmt.Errorf("pss test require at least 2 full nodes")
}
for i := 0; i < int(o.Count); i++ {
c.logger.Infof("pss: test %d of %d", i+1, o.Count)
nodeNameA := pickAtRandom(r, fullNodeNames, "")
nodeNameB := pickAtRandom(r, fullNodeNames, nodeNameA)
if err := c.testPss(nodeNameA, nodeNameB, clients, o); err != nil {
return err
}
}
return nil
}
func pickAtRandom(r *rand.Rand, names []string, skip string) string {
for {
i := r.Int31n(int32(len(names)))
if names[i] != skip {
return names[i]
}
}
}
var (
errDataMismatch = errors.New("pss: data sent and received are not equal")
errWebsocketConnection = errors.New("pss: websocket connection terminated with an error")
)
var (
testData = []byte("Hello Swarm :)")
testTopic = "test"
)
func (c *Check) testPss(nodeAName, nodeBName string, clients map[string]*bee.Client, o Options) error {
ctx, cancel := context.WithTimeout(context.Background(), o.RequestTimeout)
nodeA := clients[nodeAName]
nodeB := clients[nodeBName]
addrB, err := nodeB.Addresses(ctx)
if err != nil {
cancel()
return err
}
batchID, err := nodeA.GetOrCreateBatch(ctx, o.PostageAmount, o.PostageDepth, o.PostageLabel)
if err != nil {
cancel()
return fmt.Errorf("node %s: batched id %w", nodeAName, err)
}
c.logger.Infof("node %s: batched id %s", nodeAName, batchID)
ch, close, err := listenWebsocket(ctx, nodeB.Config().APIURL.Host, nodeB.Config().Restricted, testTopic, c.logger)
if err != nil {
cancel()
return err
}
c.logger.Infof("pss: sending test data to node %s and listening on node %s", nodeAName, nodeBName)
tStart := time.Now()
err = nodeA.SendPSSMessage(ctx, addrB.Overlay, addrB.PSSPublicKey, testTopic, o.AddressPrefix, testData, batchID)
if err != nil {
close()
cancel()
return err
}
msg, ok := <-ch
if ok {
if msg == string(testData) {
c.logger.Info("pss: websocket connection received correct message")
c.metrics.SendAndReceiveGauge.WithLabelValues(nodeAName, nodeBName).Set(time.Since(tStart).Seconds())
} else {
err = errDataMismatch
}
} else {
err = errWebsocketConnection
}
cancel()
close()
if err != nil {
return err
}
return nil
}
func listenWebsocket(ctx context.Context, host string, setHeader bool, topic string, logger logging.Logger) (<-chan string, func(), error) {
dialer := &websocket.Dialer{
Proxy: http.ProxyFromEnvironment,
HandshakeTimeout: 45 * time.Second,
}
var header http.Header
if setHeader {
header = make(http.Header)
header.Add("Authorization", "Bearer "+api.TokenConsumer)
}
ws, _, err := dialer.DialContext(ctx, fmt.Sprintf("ws://%s/pss/subscribe/%s", host, topic), header)
if err != nil {
return nil, nil, err
}
ch := make(chan string)
go func() {
_, data, err := ws.ReadMessage()
if err != nil {
logger.Infof("pss: websocket error %v", err)
close(ch)
return
}
ch <- string(data)
}()
return ch, func() { ws.Close() }, nil
}