refactor_: simplify EnvelopesMonitor

This commit is contained in:
Patryk Osmaczko 2023-11-22 19:28:40 +01:00 committed by osmaczko
parent e9c9bbb7b1
commit 71f2d63a71
2 changed files with 58 additions and 62 deletions

View File

@ -61,16 +61,20 @@ func NewEnvelopesMonitor(w types.Waku, config EnvelopesMonitorConfig) *Envelopes
logger: logger.With(zap.Namespace("EnvelopesMonitor")),
// key is envelope hash (event.Hash)
envelopes: map[types.Hash]EnvelopeState{},
messages: map[types.Hash]*types.NewMessage{},
attempts: map[types.Hash]int{},
identifiers: make(map[types.Hash][][]byte),
envelopes: map[types.Hash]*monitoredEnvelope{},
// key is hash of the batch (event.Batch)
batches: map[types.Hash]map[types.Hash]struct{}{},
}
}
type monitoredEnvelope struct {
state EnvelopeState
attempts int
message *types.NewMessage
identifiers [][]byte
}
// EnvelopesMonitor is responsible for monitoring waku envelopes state.
type EnvelopesMonitor struct {
w types.Waku
@ -78,13 +82,10 @@ type EnvelopesMonitor struct {
handler EnvelopeEventsHandler
maxAttempts int
mu sync.Mutex
envelopes map[types.Hash]EnvelopeState
batches map[types.Hash]map[types.Hash]struct{}
mu sync.Mutex
messages map[types.Hash]*types.NewMessage
attempts map[types.Hash]int
identifiers map[types.Hash][][]byte
envelopes map[types.Hash]*monitoredEnvelope
batches map[types.Hash]map[types.Hash]struct{}
awaitOnlyMailServerConfirmations bool
@ -115,28 +116,30 @@ func (m *EnvelopesMonitor) Stop() {
func (m *EnvelopesMonitor) Add(identifiers [][]byte, envelopeHash types.Hash, message types.NewMessage) {
m.mu.Lock()
defer m.mu.Unlock()
m.identifiers[envelopeHash] = identifiers
// If it's already been marked as sent, we notify the client
if m.envelopes[envelopeHash] == EnvelopeSent {
if m.handler != nil {
m.handler.EnvelopeSent(m.identifiers[envelopeHash])
if envelope, ok := m.envelopes[envelopeHash]; !ok {
m.envelopes[envelopeHash] = &monitoredEnvelope{
state: EnvelopePosted,
attempts: 1,
message: &message,
identifiers: identifiers,
}
} else if envelope.state == EnvelopeSent {
// If it's already been marked as sent, we notify the client
if m.handler != nil {
m.handler.EnvelopeSent(envelope.identifiers)
}
} else {
// otherwise we keep track of the message
m.messages[envelopeHash] = &message
m.attempts[envelopeHash] = 1
m.envelopes[envelopeHash] = EnvelopePosted
}
}
func (m *EnvelopesMonitor) GetState(hash types.Hash) EnvelopeState {
m.mu.Lock()
defer m.mu.Unlock()
state, exist := m.envelopes[hash]
envelope, exist := m.envelopes[hash]
if !exist {
return NotRegistered
}
return state
return envelope.state
}
// handleEnvelopeEvents processes waku envelope events
@ -184,17 +187,17 @@ func (m *EnvelopesMonitor) handleEventEnvelopeSent(event types.EnvelopeEvent) {
confirmationExpected := event.Batch != (types.Hash{})
state, ok := m.envelopes[event.Hash]
envelope, ok := m.envelopes[event.Hash]
// If confirmations are not expected, we keep track of the envelope
// being sent
if !ok && !confirmationExpected {
m.envelopes[event.Hash] = EnvelopeSent
m.envelopes[event.Hash] = &monitoredEnvelope{state: EnvelopeSent}
return
}
// if message was already confirmed - skip it
if state == EnvelopeSent {
if envelope.state == EnvelopeSent {
return
}
m.logger.Debug("envelope is sent", zap.String("hash", event.Hash.String()), zap.String("peer", event.Peer.String()))
@ -206,9 +209,9 @@ func (m *EnvelopesMonitor) handleEventEnvelopeSent(event types.EnvelopeEvent) {
m.logger.Debug("waiting for a confirmation", zap.String("batch", event.Batch.String()))
} else {
m.logger.Debug("confirmation not expected, marking as sent")
m.envelopes[event.Hash] = EnvelopeSent
envelope.state = EnvelopeSent
if m.handler != nil {
m.handler.EnvelopeSent(m.identifiers[event.Hash])
m.handler.EnvelopeSent(envelope.identifiers)
}
}
}
@ -251,13 +254,13 @@ func (m *EnvelopesMonitor) handleAcknowledgedBatch(event types.EnvelopeEvent) {
if _, exist := failedEnvelopes[hash]; exist {
continue
}
state, ok := m.envelopes[hash]
if !ok || state == EnvelopeSent {
envelope, ok := m.envelopes[hash]
if !ok || envelope.state == EnvelopeSent {
continue
}
m.envelopes[hash] = EnvelopeSent
envelope.state = EnvelopeSent
if m.handler != nil {
m.handler.EnvelopeSent(m.identifiers[hash])
m.handler.EnvelopeSent(envelope.identifiers)
}
}
delete(m.batches, event.Batch)
@ -272,36 +275,32 @@ func (m *EnvelopesMonitor) handleEventEnvelopeExpired(event types.EnvelopeEvent)
// handleEnvelopeFailure is a common code path for processing envelopes failures. not thread safe, lock
// must be used on a higher level.
func (m *EnvelopesMonitor) handleEnvelopeFailure(hash types.Hash, err error) {
if state, ok := m.envelopes[hash]; ok {
message, exist := m.messages[hash]
if !exist {
m.logger.Error("message was deleted erroneously", zap.String("envelope hash", hash.String()))
}
attempt := m.attempts[hash]
identifiers := m.identifiers[hash]
if envelope, ok := m.envelopes[hash]; ok {
m.clearMessageState(hash)
if state == EnvelopeSent {
if envelope.state == EnvelopeSent {
return
}
if attempt < m.maxAttempts {
m.logger.Debug("retrying to send a message", zap.String("hash", hash.String()), zap.Int("attempt", attempt+1))
hex, err := m.api.Post(context.TODO(), *message)
if envelope.attempts < m.maxAttempts {
m.logger.Debug("retrying to send a message", zap.String("hash", hash.String()), zap.Int("attempt", envelope.attempts+1))
hex, err := m.api.Post(context.TODO(), *envelope.message)
if err != nil {
m.logger.Error("failed to retry sending message", zap.String("hash", hash.String()), zap.Int("attempt", attempt+1), zap.Error(err))
m.logger.Error("failed to retry sending message", zap.String("hash", hash.String()), zap.Int("attempt", envelope.attempts+1), zap.Error(err))
if m.handler != nil {
m.handler.EnvelopeExpired(identifiers, err)
m.handler.EnvelopeExpired(envelope.identifiers, err)
}
}
envelopeID := types.BytesToHash(hex)
m.envelopes[envelopeID] = EnvelopePosted
m.messages[envelopeID] = message
m.attempts[envelopeID] = attempt + 1
m.identifiers[envelopeID] = identifiers
m.envelopes[envelopeID] = &monitoredEnvelope{
state: EnvelopePosted,
attempts: envelope.attempts + 1,
message: envelope.message,
identifiers: envelope.identifiers,
}
} else {
m.logger.Debug("envelope expired", zap.String("hash", hash.String()))
if m.handler != nil {
m.handler.EnvelopeExpired(identifiers, err)
m.handler.EnvelopeExpired(envelope.identifiers, err)
}
}
}
@ -313,14 +312,14 @@ func (m *EnvelopesMonitor) handleEventEnvelopeReceived(event types.EnvelopeEvent
}
m.mu.Lock()
defer m.mu.Unlock()
state, ok := m.envelopes[event.Hash]
if !ok || state != EnvelopePosted {
envelope, ok := m.envelopes[event.Hash]
if !ok || envelope.state != EnvelopePosted {
return
}
m.logger.Debug("expected envelope received", zap.String("hash", event.Hash.String()), zap.String("peer", event.Peer.String()))
m.envelopes[event.Hash] = EnvelopeSent
envelope.state = EnvelopeSent
if m.handler != nil {
m.handler.EnvelopeSent(m.identifiers[event.Hash])
m.handler.EnvelopeSent(envelope.identifiers)
}
}
@ -328,7 +327,4 @@ func (m *EnvelopesMonitor) handleEventEnvelopeReceived(event types.EnvelopeEvent
// not thread-safe, should be protected on a higher level.
func (m *EnvelopesMonitor) clearMessageState(envelopeID types.Hash) {
delete(m.envelopes, envelopeID)
delete(m.messages, envelopeID)
delete(m.attempts, envelopeID)
delete(m.identifiers, envelopeID)
}

View File

@ -44,13 +44,13 @@ func (s *EnvelopesMonitorSuite) SetupTest() {
func (s *EnvelopesMonitorSuite) TestEnvelopePosted() {
s.monitor.Add(testIDs, testHash, types.NewMessage{})
s.Contains(s.monitor.envelopes, testHash)
s.Equal(EnvelopePosted, s.monitor.envelopes[testHash])
s.Equal(EnvelopePosted, s.monitor.envelopes[testHash].state)
s.monitor.handleEvent(types.EnvelopeEvent{
Event: types.EventEnvelopeSent,
Hash: testHash,
})
s.Contains(s.monitor.envelopes, testHash)
s.Equal(EnvelopeSent, s.monitor.envelopes[testHash])
s.Equal(EnvelopeSent, s.monitor.envelopes[testHash].state)
}
func (s *EnvelopesMonitorSuite) TestEnvelopePostedOutOfOrder() {
@ -61,7 +61,7 @@ func (s *EnvelopesMonitorSuite) TestEnvelopePostedOutOfOrder() {
s.monitor.Add(testIDs, testHash, types.NewMessage{})
s.Require().Contains(s.monitor.envelopes, testHash)
s.Require().Equal(EnvelopeSent, s.monitor.envelopes[testHash])
s.Require().Equal(EnvelopeSent, s.monitor.envelopes[testHash].state)
}
func (s *EnvelopesMonitorSuite) TestConfirmedWithAcknowledge() {
@ -71,20 +71,20 @@ func (s *EnvelopesMonitorSuite) TestConfirmedWithAcknowledge() {
node := enode.NewV4(&pkey.PublicKey, nil, 0, 0)
s.monitor.Add(testIDs, testHash, types.NewMessage{})
s.Contains(s.monitor.envelopes, testHash)
s.Equal(EnvelopePosted, s.monitor.envelopes[testHash])
s.Equal(EnvelopePosted, s.monitor.envelopes[testHash].state)
s.monitor.handleEvent(types.EnvelopeEvent{
Event: types.EventEnvelopeSent,
Hash: testHash,
Batch: testBatch,
})
s.Equal(EnvelopePosted, s.monitor.envelopes[testHash])
s.Equal(EnvelopePosted, s.monitor.envelopes[testHash].state)
s.monitor.handleEvent(types.EnvelopeEvent{
Event: types.EventBatchAcknowledged,
Batch: testBatch,
Peer: types.EnodeID(node.ID()),
})
s.Contains(s.monitor.envelopes, testHash)
s.Equal(EnvelopeSent, s.monitor.envelopes[testHash])
s.Equal(EnvelopeSent, s.monitor.envelopes[testHash].state)
}
func (s *EnvelopesMonitorSuite) TestRemoved() {