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Brian Tiger Chow
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package corerouting | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| context "github.com/jbenet/go-ipfs/Godeps/_workspace/src/code.google.com/p/go.net/context" | ||
| datastore "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore" | ||
| core "github.com/jbenet/go-ipfs/core" | ||
| "github.com/jbenet/go-ipfs/p2p/peer" | ||
| routing "github.com/jbenet/go-ipfs/routing" | ||
| grandcentral "github.com/jbenet/go-ipfs/routing/grandcentral" | ||
| gcproxy "github.com/jbenet/go-ipfs/routing/grandcentral/proxy" | ||
| ) | ||
|
|
||
| // NB: DHT option is included in the core to avoid 1) because it's a sane | ||
| // default and 2) to avoid a circular dependency (it needs to be referenced in | ||
| // the core if it's going to be the default) | ||
|
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| var ( | ||
| errHostMissing = errors.New("grandcentral client requires a Host component") | ||
| errIdentityMissing = errors.New("grandcentral server requires a peer ID identity") | ||
| errPeerstoreMissing = errors.New("grandcentral server requires a peerstore") | ||
| errServersMissing = errors.New("grandcentral client requires at least 1 server peer") | ||
| ) | ||
|
|
||
| // TODO doc | ||
| func GrandCentralServer(recordSource datastore.ThreadSafeDatastore) core.RoutingOption { | ||
| return func(ctx context.Context, node *core.IpfsNode) (routing.IpfsRouting, error) { | ||
| if node.Peerstore == nil { | ||
| return nil, errPeerstoreMissing | ||
| } | ||
| if node.Identity == "" { | ||
| return nil, errIdentityMissing | ||
| } | ||
| server, err := grandcentral.NewServer(recordSource, node.Peerstore, node.Identity) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| proxy := &gcproxy.Loopback{ | ||
| Handler: server, | ||
| Local: node.Identity, | ||
| } | ||
| return grandcentral.NewClient(proxy, node.Peerstore, node.Identity) | ||
| } | ||
| } | ||
|
|
||
| // TODO doc | ||
| func GrandCentralClient(remotes ...peer.PeerInfo) core.RoutingOption { | ||
| return func(ctx context.Context, node *core.IpfsNode) (routing.IpfsRouting, error) { | ||
| if len(remotes) < 1 { | ||
| return nil, errServersMissing | ||
| } | ||
| if node.PeerHost == nil { | ||
| return nil, errHostMissing | ||
| } | ||
| if node.Identity == "" { | ||
| return nil, errIdentityMissing | ||
| } | ||
|
|
||
| // TODO right now, I think this has a hidden dependency on the | ||
| // bootstrap peers provided to the core.Node. Careful... | ||
|
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| proxy := gcproxy.Standard(node.PeerHost, remotes[0].ID) // TODO support more than one | ||
| return grandcentral.NewClient(proxy, node.Peerstore, node.Identity) | ||
| } | ||
| } |