lotus/node/modules/services.go

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package modules
import (
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"context"
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"github.com/libp2p/go-libp2p-core/host"
inet "github.com/libp2p/go-libp2p-core/network"
pubsub "github.com/libp2p/go-libp2p-pubsub"
"go.uber.org/fx"
"github.com/filecoin-project/lotus/chain"
"github.com/filecoin-project/lotus/chain/deals"
"github.com/filecoin-project/lotus/chain/sub"
"github.com/filecoin-project/lotus/node/hello"
"github.com/filecoin-project/lotus/node/modules/helpers"
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"github.com/filecoin-project/lotus/peermgr"
"github.com/filecoin-project/lotus/retrieval/discovery"
"github.com/filecoin-project/lotus/storage/sector"
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)
func RunHello(mctx helpers.MetricsCtx, lc fx.Lifecycle, h host.Host, svc *hello.Service) {
h.SetStreamHandler(hello.ProtocolID, svc.HandleStream)
bundle := inet.NotifyBundle{
ConnectedF: func(_ inet.Network, c inet.Conn) {
go func() {
if err := svc.SayHello(helpers.LifecycleCtx(mctx, lc), c.RemotePeer()); err != nil {
log.Warnw("failed to say hello", "error", err)
return
}
}()
},
}
h.Network().Notify(&bundle)
}
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func RunPeerMgr(mctx helpers.MetricsCtx, lc fx.Lifecycle, pmgr *peermgr.PeerMgr) {
go pmgr.Run(helpers.LifecycleCtx(mctx, lc))
}
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func RunBlockSync(h host.Host, svc *chain.BlockSyncService) {
h.SetStreamHandler(chain.BlockSyncProtocolID, svc.HandleStream)
}
func HandleIncomingBlocks(mctx helpers.MetricsCtx, lc fx.Lifecycle, pubsub *pubsub.PubSub, s *chain.Syncer) {
ctx := helpers.LifecycleCtx(mctx, lc)
blocksub, err := pubsub.Subscribe("/fil/blocks")
if err != nil {
panic(err)
}
go sub.HandleIncomingBlocks(ctx, blocksub, s)
}
func HandleIncomingMessages(mctx helpers.MetricsCtx, lc fx.Lifecycle, pubsub *pubsub.PubSub, mpool *chain.MessagePool) {
ctx := helpers.LifecycleCtx(mctx, lc)
msgsub, err := pubsub.Subscribe("/fil/messages")
if err != nil {
panic(err)
}
go sub.HandleIncomingMessages(ctx, mpool, msgsub)
}
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func RunDealClient(mctx helpers.MetricsCtx, lc fx.Lifecycle, c *deals.Client) {
ctx := helpers.LifecycleCtx(mctx, lc)
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lc.Append(fx.Hook{
OnStart: func(context.Context) error {
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c.Run(ctx)
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return nil
},
OnStop: func(context.Context) error {
c.Stop()
return nil
},
})
}
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func RunSectorService(lc fx.Lifecycle, secst *sector.Store) {
lc.Append(fx.Hook{
OnStart: func(context.Context) error {
secst.Service()
return nil
},
OnStop: func(context.Context) error {
secst.Stop()
return nil
},
})
}
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func RetrievalResolver(l *discovery.Local) discovery.PeerResolver {
return discovery.Multi(l)
}