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cmd/swarm/swarm-smoke-pss: add symmetric send msg

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This commit is contained in:
Rafael Matias 2019-03-25 22:15:37 +01:00
parent 86f5697fca
commit e03a8a75dd
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GPG key ID: 1BC39532FB4A2DBD
2 changed files with 106 additions and 55 deletions
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12
cmd/swarm/swarm-smoke-pss/main.go
View file

@ -104,10 +104,16 @@ func main() {
app.Commands = []cli.Command{
{
Name: "pss-asym",
Aliases: []string{"pa"},
Name: "asym",
Aliases: []string{"a"},
Usage: "PSS: send and receive multiple messages across random nodes using asymmetric encryption",
Action: wrapCliCommand("pss-asym", pssAsymCheck),
Action: wrapCliCommand("asym", pssAsymCheck),
},
{
Name: "sym",
Aliases: []string{"s"},
Usage: "PSS: send and receive multiple messages across random nodes using symmetric encryption",
Action: wrapCliCommand("sym", pssSymCheck),
},
}

133
cmd/swarm/swarm-smoke-pss/pss.go
View file

@ -19,15 +19,10 @@ import (
cli "gopkg.in/urfave/cli.v1"
)
const (
pssModeRaw = iota
pssModeAsym
pssModeSym
)
type pssJob struct {
sender *pssNode
receiver *pssNode
msg []byte
mode int
}
type pssNode struct {
@ -43,12 +38,20 @@ type pssSession struct {
topic pss.Topic
msgC chan pss.APIMsg
nodes []*pssNode
requiredJobs map[string]*pssJob
jobs map[string]*pssJob
}
// pssAsymCheck sends one or more messages (depending on pssMessageCount)
// using asymmetric encryption across random nodes.
type pssTestFn func(ctx *cli.Context, session *pssSession, tuid string) error
func pssAsymCheck(ctx *cli.Context, tuid string) error {
return pssCheck(ctx, tuid, "asym", pssAsymDo)
}
func pssSymCheck(ctx *cli.Context, tuid string) error {
return pssCheck(ctx, tuid, "sym", pssSymDo)
}
func pssCheck(ctx *cli.Context, tuid string, tag string, fn pssTestFn) error {
// use input seed if it has been set
if inputSeed != 0 {
@ -59,9 +62,8 @@ func pssAsymCheck(ctx *cli.Context, tuid string) error {
pssMessageCount = 1
log.Warn(fmt.Sprintf("message count should be a positive number. Defaulting to %d", pssMessageCount))
}
log.Info("pss-asym test started", "msgCount", pssMessageCount)
log.Info(fmt.Sprintf("pss.%s test started", tag), "msgCount", pssMessageCount)
errc := make(chan error)
session := pssSetup()
if len(session.nodes) <= 1 {
return errors.New("at least 2 nodes are required to be working")
@ -72,10 +74,11 @@ func pssAsymCheck(ctx *cli.Context, tuid string) error {
}
}()
errc := make(chan error)
go func() {
var failCount, successCount int64
for i := 0; i < pssMessageCount; i++ {
err := pssAsymDo(ctx, session, tuid)
err := fn(ctx, session, tuid)
if err != nil {
failCount++
log.Error("error sending pss msg", "err", err)
@ -84,10 +87,10 @@ func pssAsymCheck(ctx *cli.Context, tuid string) error {
}
}
metrics.GetOrRegisterCounter("pss.asym.failMsg", nil).Inc(failCount)
metrics.GetOrRegisterCounter("pss.asym.successMsg", nil).Inc(successCount)
metrics.GetOrRegisterCounter(fmt.Sprintf("pss.%s.failMsg", tag), nil).Inc(failCount)
metrics.GetOrRegisterCounter(fmt.Sprintf("pss.%s.successMsg", tag), nil).Inc(successCount)
log.Info("pss-asym test ended", "success", successCount, "failures", failCount)
log.Info(fmt.Sprintf("pss.%s test ended", tag), "success", successCount, "failures", failCount)
if failCount > 0 {
errc <- errors.New("some messages were not delivered")
@ -99,11 +102,11 @@ func pssAsymCheck(ctx *cli.Context, tuid string) error {
select {
case err := <-errc:
if err != nil {
metrics.GetOrRegisterCounter("pss.asym.fail", nil).Inc(1)
metrics.GetOrRegisterCounter(fmt.Sprintf("pss.%s.fail", tag), nil).Inc(1)
}
return err
case <-time.After(time.Duration(timeout) * time.Second):
metrics.GetOrRegisterCounter("pss.asym.timeout", nil).Inc(1)
metrics.GetOrRegisterCounter(fmt.Sprintf("pss.%s.timeout", tag), nil).Inc(1)
return fmt.Errorf("timeout after %v sec", timeout)
}
@ -117,7 +120,7 @@ func pssSetup() *pssSession {
session := &pssSession{
msgC: make(chan pss.APIMsg),
requiredJobs: make(map[string]*pssJob),
jobs: make(map[string]*pssJob),
topic: topic,
}
@ -171,51 +174,46 @@ func pssSetup() *pssSession {
return session
}
// pssAsymDo sends a single PSS message between two random nodes using asymetric encryption
func pssAsymDo(ctx *cli.Context, session *pssSession, tuid string) error {
senderNodeIdx := rand.Intn(len(session.nodes))
senderNode := session.nodes[senderNodeIdx]
// genJob generates a random message that will be sent
// from a random sending node to a random receiving node
func (s *pssSession) genJob() pssJob {
senderNodeIdx := rand.Intn(len(s.nodes))
senderNode := s.nodes[senderNodeIdx]
log.Trace("sender node", "pss_baseAddr", hexutil.Encode(senderNode.addr), "host", hosts[senderNodeIdx])
// receiving node has to be different than sender
recvNodeIdx := senderNodeIdx
for recvNodeIdx == senderNodeIdx {
recvNodeIdx = rand.Intn(len(session.nodes))
recvNodeIdx = rand.Intn(len(s.nodes))
}
recvNode := session.nodes[recvNodeIdx]
recvNode := s.nodes[recvNodeIdx]
log.Trace("recv node", "pss_baseAddr", hexutil.Encode(recvNode.addr), "host", hosts[recvNodeIdx])
// set recipient in pivot node
err := senderNode.client.Call(nil, "pss_setPeerPublicKey", recvNode.pubkey, session.topic, "0x")
if err != nil {
return err
}
// create new message and add it to job index to check for receives
randomMsg := testutil.RandomBytes(seed, 128)
// change seed so that the next random message is different
seed = seed + 1
msgIdx := toMsgIdx(randomMsg)
session.requiredJobs[msgIdx] = &pssJob{
j := pssJob{
sender: senderNode,
receiver: recvNode,
msg: randomMsg,
mode: pssModeAsym,
}
// send the message
hostIdx := session.nodes[recvNodeIdx].hostIdx
log.Debug("sending msg", "job", hexutil.Encode([]byte(msgIdx)), "sender", hosts[senderNodeIdx], "recv", hosts[hostIdx])
err = senderNode.client.Call(nil, "pss_sendAsym", recvNode.pubkey, session.topic, hexutil.Encode(randomMsg))
if err != nil {
return err
msgIdx := toMsgIdx(randomMsg)
s.jobs[msgIdx] = &j
log.Debug("generated job", "job", hexutil.Encode([]byte(msgIdx)), "sender", hosts[j.sender.hostIdx], "recv", hosts[j.receiver.hostIdx])
return j
}
// receive the message and check for its content
// waitForJob blocks until a msg is received or a timeout is reached
func (s *pssSession) waitForMsg() error {
select {
case res := <-session.msgC:
case res := <-s.msgC:
resIdx := toMsgIdx(res.Msg)
resJob, ok := session.requiredJobs[resIdx]
resJob, ok := s.jobs[resIdx]
if !ok {
return fmt.Errorf("corrupt message for job %s", resIdx)
}
@ -229,6 +227,53 @@ func pssAsymDo(ctx *cli.Context, session *pssSession, tuid string) error {
return nil
}
// pssSymDo sends a single PSS message between two random nodes using symmetric encryption
func pssSymDo(ctx *cli.Context, session *pssSession, tuid string) error {
j := session.genJob()
symkey := make([]byte, 32)
c, err := rand.Read(symkey)
if err != nil {
return err
} else if c < 32 {
return fmt.Errorf("symkey size mismatch, expected 32 got %d", c)
}
var senderSymKeyID string
err = j.sender.client.Call(&senderSymKeyID, "pss_setSymmetricKey", symkey, session.topic, hexutil.Encode(j.receiver.addr), true)
if err != nil {
log.Error("erro setting sym key on the sender", "err", err)
return err
}
var recvSymKeyID string
err = j.receiver.client.Call(&recvSymKeyID, "pss_setSymmetricKey", symkey, session.topic, hexutil.Encode(j.sender.addr), true)
if err != nil {
log.Error("error setting sym key on the receiver", "err", err)
return err
}
err = j.sender.client.Call(nil, "pss_sendSym", senderSymKeyID, session.topic, hexutil.Encode(j.msg))
if err != nil {
log.Error("error sending message using sym encryption", "err", err)
return err
}
return session.waitForMsg()
}
// pssAsymDo sends a single PSS message between two random nodes using asymmetric encryption
func pssAsymDo(ctx *cli.Context, session *pssSession, tuid string) error {
j := session.genJob()
err := j.sender.client.Call(nil, "pss_sendAsym", j.receiver.pubkey, session.topic, hexutil.Encode(j.msg))
if err != nil {
return err
}
return session.waitForMsg()
}
func toMsgIdx(msg []byte) string {
h := sha1.New()
h.Write(msg)