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105 lines
3.0 KiB
Go
105 lines
3.0 KiB
Go
package pubsub
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import (
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"context"
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"time"
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"github.com/edouardparis/lntop/events"
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"github.com/edouardparis/lntop/logging"
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"github.com/edouardparis/lntop/network"
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"github.com/edouardparis/lntop/network/models"
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)
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type tickerFunc func(context.Context, logging.Logger, *network.Network, chan *events.Event)
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func (p *PubSub) ticker(ctx context.Context, sub chan *events.Event, fn ...tickerFunc) {
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p.wg.Add(1)
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ticker := time.NewTicker(3 * time.Second)
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go func() {
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for {
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select {
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case <-p.stop:
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ticker.Stop()
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p.wg.Done()
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return
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case <-ticker.C:
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for i := range fn {
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fn[i](ctx, p.logger, p.network, sub)
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}
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}
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}
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}()
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}
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// withTickerInfo checks if general information did not changed changed in the ticker interval.
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func withTickerInfo() tickerFunc {
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var old *models.Info
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return func(ctx context.Context, logger logging.Logger, net *network.Network, sub chan *events.Event) {
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info, err := net.Info(ctx)
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if err != nil {
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logger.Error("network info returned an error", logging.Error(err))
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}
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if old != nil && info != nil {
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if old.BlockHeight != info.BlockHeight {
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sub <- events.New(events.BlockReceived)
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}
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if old.NumPeers != info.NumPeers {
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sub <- events.New(events.PeerUpdated)
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}
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if old.NumPendingChannels < info.NumPendingChannels {
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sub <- events.New(events.ChannelPending)
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}
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if old.NumActiveChannels < info.NumActiveChannels {
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sub <- events.New(events.ChannelActive)
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}
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if old.NumInactiveChannels < info.NumInactiveChannels {
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sub <- events.New(events.ChannelInactive)
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}
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}
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old = info
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}
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}
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// withTickerChannelsBalance checks if channels balance and pending balance
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// changed in the ticker interval.
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func withTickerChannelsBalance() tickerFunc {
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var old *models.ChannelsBalance
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return func(ctx context.Context, logger logging.Logger, net *network.Network, sub chan *events.Event) {
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channelsBalance, err := net.GetChannelsBalance(ctx)
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if err != nil {
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logger.Error("network channels balance returned an error", logging.Error(err))
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}
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if old != nil && channelsBalance != nil {
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if old.Balance != channelsBalance.Balance ||
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old.PendingOpenBalance != channelsBalance.PendingOpenBalance {
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sub <- events.New(events.ChannelBalanceUpdated)
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}
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}
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old = channelsBalance
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}
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}
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// withTickerWalletBalance checks if wallet balance and pending balance
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// changed in the ticker interval.
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func withTickerWalletBalance() tickerFunc {
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var old *models.WalletBalance
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return func(ctx context.Context, logger logging.Logger, net *network.Network, sub chan *events.Event) {
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walletBalance, err := net.GetWalletBalance(ctx)
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if err != nil {
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logger.Error("network wallet balance returned an error", logging.Error(err))
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}
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if old != nil && walletBalance != nil {
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if old.TotalBalance != walletBalance.TotalBalance ||
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old.ConfirmedBalance != walletBalance.ConfirmedBalance ||
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old.UnconfirmedBalance != walletBalance.UnconfirmedBalance {
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sub <- events.New(events.WalletBalanceUpdated)
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}
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}
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old = walletBalance
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}
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}
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