// startOnlineServicesWithHost is the set of services which need to be
// initialized with the host and _before_ we start listening.
func (n *IpfsNode) startOnlineServicesWithHost(ctx context.Context, host p2phost.Host, routingOption RoutingOption) error {
// setup diagnostics service
n.Diagnostics = diag.NewDiagnostics(n.Identity, host)
n.Ping = ping.NewPingService(host)
// setup routing service
r, err := routingOption(ctx, host, n.Repo.Datastore())
if err != nil {
return err
}
n.Routing = r
// Wrap standard peer host with routing system to allow unknown peer lookups
n.PeerHost = rhost.Wrap(host, n.Routing)
// setup exchange service
const alwaysSendToPeer = true // use YesManStrategy
bitswapNetwork := bsnet.NewFromIpfsHost(n.PeerHost, n.Routing)
n.Exchange = bitswap.New(ctx, n.Identity, bitswapNetwork, n.Blockstore, alwaysSendToPeer)
// setup name system
n.Namesys = namesys.NewNameSystem(n.Routing)
return nil
}
func MocknetTestRepo(p peer.ID, h host.Host, conf testutil.LatencyConfig, routing core.RoutingOption) core.ConfigOption {
return func(ctx context.Context) (*core.IpfsNode, error) {
const kWriteCacheElems = 100
const alwaysSendToPeer = true
dsDelay := delay.Fixed(conf.BlockstoreLatency)
r := &repo.Mock{
D: ds2.CloserWrap(syncds.MutexWrap(ds2.WithDelay(datastore.NewMapDatastore(), dsDelay))),
}
ds := r.Datastore()
n := &core.IpfsNode{
Peerstore: h.Peerstore(),
Repo: r,
PeerHost: h,
Identity: p,
}
dhtt, err := routing(ctx, n.PeerHost, n.Repo.Datastore())
if err != nil {
return nil, err
}
bsn := bsnet.NewFromIpfsHost(h, dhtt)
bstore, err := blockstore.WriteCached(blockstore.NewBlockstore(ds), kWriteCacheElems)
if err != nil {
return nil, err
}
exch := bitswap.New(ctx, p, bsn, bstore, alwaysSendToPeer)
n.Blockstore = bstore
n.Exchange = exch
n.Routing = dhtt
return n, nil
}
}