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refactor(core): isolate the complex initialization of PeerHost construction

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This commit is contained in:
Brian Tiger Chow
2015-01-10 20:57:32 -08:00
parent 8e42e86d87
commit eb6c40d5dd
1 changed files with 30 additions and 30 deletions
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60
core/core.go
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@ -191,9 +191,11 @@ func (n *IpfsNode) StartOnlineServices() error {
return err
}
if err := n.startNetwork(); err != nil {
return err
peerhost, err := constructPeerHost(ctx, n.ContextGroup, n.Config, n.Identity, n.Peerstore)
if err != nil {
return debugerror.Wrap(err)
}
n.PeerHost = peerhost
// setup diagnostics service
n.Diagnostics = diag.NewDiagnostics(n.Identity, n.PeerHost)
@ -234,34 +236,6 @@ func (n *IpfsNode) StartOnlineServices() error {
return nil
}
func (n *IpfsNode) startNetwork() error {
ctx := n.Context()
// setup the network
listenAddrs, err := listenAddresses(n.Config)
if err != nil {
return debugerror.Wrap(err)
}
// make sure we dont error out if our config includes some addresses we cant use.
listenAddrs = swarm.FilterAddrs(listenAddrs)
network, err := swarm.NewNetwork(ctx, listenAddrs, n.Identity, n.Peerstore)
if err != nil {
return debugerror.Wrap(err)
}
n.AddChildGroup(network.CtxGroup())
n.PeerHost = p2pbhost.New(network)
// explicitly set these as our listen addrs.
// (why not do it inside inet.NewNetwork? because this way we can
// listen on addresses without necessarily advertising those publicly.)
addrs, err := n.PeerHost.Network().InterfaceListenAddresses()
if err != nil {
return debugerror.Wrap(err)
}
n.Peerstore.AddAddresses(n.Identity, addrs)
return nil
}
func (n *IpfsNode) teardown() error {
if err := n.Datastore.Close(); err != nil {
return err
@ -381,3 +355,29 @@ func listenAddresses(cfg *config.Config) ([]ma.Multiaddr, error) {
return listen, nil
}
// isolates the complex initialization steps
func constructPeerHost(ctx context.Context, ctxg ctxgroup.ContextGroup, cfg *config.Config, id peer.ID, ps peer.Peerstore) (p2phost.Host, error) {
listenAddrs, err := listenAddresses(cfg)
// make sure we dont error out if our config includes some addresses we cant use.
filteredAddrs := swarm.FilterAddrs(listenAddrs)
if err != nil {
return nil, debugerror.Wrap(err)
}
network, err := swarm.NewNetwork(ctx, filteredAddrs, id, ps)
if err != nil {
return nil, debugerror.Wrap(err)
}
ctxg.AddChildGroup(network.CtxGroup())
peerhost := p2pbhost.New(network)
// explicitly set these as our listen addrs.
// (why not do it inside inet.NewNetwork? because this way we can
// listen on addresses without necessarily advertising those publicly.)
addrs, err := peerhost.Network().InterfaceListenAddresses()
if err != nil {
return nil, debugerror.Wrap(err)
}
ps.AddAddresses(id, addrs)
return peerhost, nil
}