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setup workmode determination and update #224
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| package orchestrator | ||
|
|
||
| import ( | ||
| "context" | ||
| "math/big" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/rs/zerolog/log" | ||
| "github.com/thirdweb-dev/indexer/internal/metrics" | ||
| "github.com/thirdweb-dev/indexer/internal/rpc" | ||
| "github.com/thirdweb-dev/indexer/internal/storage" | ||
| ) | ||
|
|
||
| type WorkMode string | ||
|
|
||
| const ( | ||
| WORK_MODE_CHECK_INTERVAL = 10 * time.Minute | ||
| WORK_MODE_BACKFILL_THRESHOLD = 500 | ||
| WorkModeLive WorkMode = "live" | ||
| WorkModeBackfill WorkMode = "backfill" | ||
| ) | ||
|
|
||
| type WorkModeMonitor struct { | ||
| rpc rpc.IRPCClient | ||
| storage storage.IStorage | ||
| workModeChannels map[chan WorkMode]struct{} | ||
| channelsMutex sync.RWMutex | ||
| currentMode WorkMode | ||
| } | ||
|
|
||
| func NewWorkModeMonitor(rpc rpc.IRPCClient, storage storage.IStorage) *WorkModeMonitor { | ||
| return &WorkModeMonitor{ | ||
| rpc: rpc, | ||
| storage: storage, | ||
| workModeChannels: make(map[chan WorkMode]struct{}), | ||
| currentMode: "", | ||
| } | ||
| } | ||
|
|
||
| // RegisterChannel adds a new channel to receive work mode updates | ||
| func (m *WorkModeMonitor) RegisterChannel(ch chan WorkMode) { | ||
| m.channelsMutex.Lock() | ||
| defer m.channelsMutex.Unlock() | ||
|
|
||
| m.workModeChannels[ch] = struct{}{} | ||
| // Send current mode to the new channel only if it's not empty | ||
| if m.currentMode != "" { | ||
| select { | ||
| case ch <- m.currentMode: | ||
| log.Debug().Msg("Initial work mode sent to new channel") | ||
| default: | ||
| log.Warn().Msg("Failed to send initial work mode to new channel - channel full") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // UnregisterChannel removes a channel from receiving work mode updates | ||
| func (m *WorkModeMonitor) UnregisterChannel(ch chan WorkMode) { | ||
| m.channelsMutex.Lock() | ||
| defer m.channelsMutex.Unlock() | ||
|
|
||
| delete(m.workModeChannels, ch) | ||
| } | ||
|
|
||
| func (m *WorkModeMonitor) updateWorkModeMetric(mode WorkMode) { | ||
| var value float64 | ||
| if mode == WorkModeLive { | ||
| value = 1 | ||
| } | ||
| metrics.CurrentWorkMode.Set(value) | ||
| } | ||
|
|
||
| func (m *WorkModeMonitor) Start(ctx context.Context) { | ||
| // Perform immediate check | ||
| newMode, err := m.determineWorkMode(ctx) | ||
| if err != nil { | ||
| log.Error().Err(err).Msg("Error checking work mode during startup") | ||
| } else if newMode != m.currentMode { | ||
| log.Info().Msgf("Work mode changing from %s to %s during startup", m.currentMode, newMode) | ||
| m.currentMode = newMode | ||
| m.updateWorkModeMetric(newMode) | ||
| m.broadcastWorkMode(newMode) | ||
| } | ||
|
|
||
| ticker := time.NewTicker(WORK_MODE_CHECK_INTERVAL) | ||
| defer ticker.Stop() | ||
|
|
||
| log.Info().Msgf("Work mode monitor started with initial mode: %s", m.currentMode) | ||
|
|
||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| log.Info().Msg("Work mode monitor shutting down") | ||
| return | ||
| case <-ticker.C: | ||
| newMode, err := m.determineWorkMode(ctx) | ||
| if err != nil { | ||
| log.Error().Err(err).Msg("Error checking work mode") | ||
| continue | ||
| } | ||
|
|
||
| if newMode != m.currentMode { | ||
| log.Info().Msgf("Work mode changing from %s to %s", m.currentMode, newMode) | ||
| m.currentMode = newMode | ||
| m.updateWorkModeMetric(newMode) | ||
| m.broadcastWorkMode(newMode) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (m *WorkModeMonitor) broadcastWorkMode(mode WorkMode) { | ||
| m.channelsMutex.RLock() | ||
| defer m.channelsMutex.RUnlock() | ||
|
|
||
| for ch := range m.workModeChannels { | ||
| select { | ||
| case ch <- mode: | ||
| log.Debug().Msg("Work mode change notification sent") | ||
| default: | ||
| if r := recover(); r != nil { | ||
| log.Warn().Msg("Work mode notification dropped - channel closed") | ||
| delete(m.workModeChannels, ch) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (m *WorkModeMonitor) determineWorkMode(ctx context.Context) (WorkMode, error) { | ||
| lastCommittedBlock, err := m.storage.MainStorage.GetMaxBlockNumber(m.rpc.GetChainID()) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if lastCommittedBlock.Sign() == 0 { | ||
| log.Debug().Msg("No blocks committed yet, using backfill mode") | ||
| return WorkModeBackfill, nil | ||
| } | ||
|
|
||
| latestBlock, err := m.rpc.GetLatestBlockNumber(ctx) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| blockDiff := new(big.Int).Sub(latestBlock, lastCommittedBlock) | ||
| log.Debug().Msgf("Committer is %d blocks behind the chain", blockDiff.Int64()) | ||
| if blockDiff.Cmp(big.NewInt(WORK_MODE_BACKFILL_THRESHOLD)) < 0 { | ||
| return WorkModeLive, nil | ||
| } | ||
|
|
||
| return WorkModeBackfill, nil | ||
| } |
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