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service.go
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service.go
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package p2p
import (
"context"
"github.com/indra-labs/indra/pkg/cfg"
"github.com/indra-labs/indra/pkg/engine/transport"
"github.com/indra-labs/indra/pkg/interrupt"
"github.com/indra-labs/indra/pkg/p2p/metrics"
"github.com/libp2p/go-libp2p/core/crypto"
"github.com/libp2p/go-libp2p/core/host"
"github.com/spf13/viper"
"time"
"github.com/multiformats/go-multiaddr"
"github.com/indra-labs/indra"
crypto2 "github.com/indra-labs/indra/pkg/crypto"
)
var (
userAgent = "/indra:" + indra.SemVer + "/"
privKey crypto.PrivKey
p2pHost host.Host
seedAddresses []multiaddr.Multiaddr
listenAddresses []multiaddr.Multiaddr
netParams *cfg.Params
)
func init() {
seedAddresses = []multiaddr.Multiaddr{}
listenAddresses = []multiaddr.Multiaddr{}
}
// Run is the main entrypoint for the seed p2p service.
func Run() {
//storage.Update(func(txn *badger.Txn) error {
// txn.Delete([]byte(storeKeyKey))
// return nil
//})
configure()
var e error
netParams = cfg.SelectNetworkParams(viper.GetString("network"))
dataPath := viper.GetString("data-dir")
var pkr []byte
if pkr, e = privKey.Raw(); check(e) {
return
}
var ctx context.Context
var cancel context.CancelFunc
ctx, cancel = context.WithCancel(context.Background())
interrupt.AddHandler(cancel)
pkk := crypto2.PrvKeyFromBytes(pkr)
keys := crypto2.MakeKeys(pkk)
var l []*transport.Listener
var la []string
for i := range listenAddresses {
la = append(la, listenAddresses[i].String())
}
var list *transport.Listener
list, e = transport.NewListener(netParams.GetSeedsMultiAddrStrings(),
la, dataPath, keys, ctx,
transport.DefaultMTU)
l = append(l, list)
p2pHost = list.Host
log.I.Ln("starting p2p server")
log.I.Ln("host id:")
log.I.Ln("-", p2pHost.ID())
log.I.Ln("p2p listeners:")
log.I.Ln("-", p2pHost.Addrs())
metrics.SetInterval(30 * time.Second)
metrics.HostStatus(ctx, p2pHost)
isReadyChan <- true
}
func Shutdown() (err error) {
log.I.Ln("shutting down p2p server")
if p2pHost != nil {
if err = p2pHost.Close(); check(err) {
// continue
}
}
log.I.Ln("- p2p server shutdown complete")
return
}