whisper/whisperv6: message bundling (#15666)

Changed the communication protocol for ordinary message,
according to EIP 627. Messages will be send in bundles, i.e.
array of messages will be sent instead of single message.
This commit is contained in:
gluk256 2017-12-21 11:31:44 +02:00 committed by Felix Lange
parent 4b939c23e4
commit 9f1007e554
2 changed files with 33 additions and 20 deletions

View File

@ -149,21 +149,26 @@ func (peer *Peer) expire() {
// broadcast iterates over the collection of envelopes and transmits yet unknown
// ones over the network.
func (p *Peer) broadcast() error {
var cnt int
envelopes := p.host.Envelopes()
bundle := make([]*Envelope, 0, len(envelopes))
for _, envelope := range envelopes {
if !p.marked(envelope) {
err := p2p.Send(p.ws, messagesCode, envelope)
if err != nil {
return err
} else {
p.mark(envelope)
cnt++
}
bundle = append(bundle, envelope)
}
}
if cnt > 0 {
log.Trace("broadcast", "num. messages", cnt)
if len(bundle) > 0 {
// transmit the batch of envelopes
if err := p2p.Send(p.ws, messagesCode, bundle); err != nil {
return err
}
// mark envelopes only if they were successfully sent
for _, e := range bundle {
p.mark(e)
}
log.Trace("broadcast", "num. messages", len(bundle))
}
return nil
}

View File

@ -515,18 +515,26 @@ func (wh *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error {
log.Warn("unxepected status message received", "peer", p.peer.ID())
case messagesCode:
// decode the contained envelopes
var envelope Envelope
if err := packet.Decode(&envelope); err != nil {
log.Warn("failed to decode envelope, peer will be disconnected", "peer", p.peer.ID(), "err", err)
return errors.New("invalid envelope")
var envelopes []*Envelope
if err := packet.Decode(&envelopes); err != nil {
log.Warn("failed to decode envelopes, peer will be disconnected", "peer", p.peer.ID(), "err", err)
return errors.New("invalid envelopes")
}
cached, err := wh.add(&envelope)
if err != nil {
log.Warn("bad envelope received, peer will be disconnected", "peer", p.peer.ID(), "err", err)
return errors.New("invalid envelope")
trouble := false
for _, env := range envelopes {
cached, err := wh.add(env)
if err != nil {
trouble = true
log.Error("bad envelope received, peer will be disconnected", "peer", p.peer.ID(), "err", err)
}
if cached {
p.mark(env)
}
}
if cached {
p.mark(&envelope)
if trouble {
return errors.New("invalid envelope")
}
case p2pCode:
// peer-to-peer message, sent directly to peer bypassing PoW checks, etc.