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58 lines
2.2 KiB
Go
58 lines
2.2 KiB
Go
package corerouting
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import (
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"errors"
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context "context"
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core "github.com/ipfs/go-ipfs/core"
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repo "github.com/ipfs/go-ipfs/repo"
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supernode "github.com/ipfs/go-ipfs/routing/supernode"
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gcproxy "github.com/ipfs/go-ipfs/routing/supernode/proxy"
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"gx/ipfs/QmPTGbC34bPKaUm9wTxBo7zSCac7pDuG42ZmnXC718CKZZ/go-libp2p-host"
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ds "gx/ipfs/QmRWDav6mzWseLWeYfVd5fvUKiVe9xNH29YfMF438fG364/go-datastore"
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routing "gx/ipfs/QmbkGVaN9W6RYJK4Ws5FvMKXKDqdRQ5snhtaa92qP6L8eU/go-libp2p-routing"
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pstore "gx/ipfs/QmeXj9VAjmYQZxpmVz7VzccbJrpmr8qkCDSjfVNsPTWTYU/go-libp2p-peerstore"
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)
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// NB: DHT option is included in the core to avoid 1) because it's a sane
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// default and 2) to avoid a circular dependency (it needs to be referenced in
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// the core if it's going to be the default)
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var (
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errHostMissing = errors.New("supernode routing client requires a Host component")
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errIdentityMissing = errors.New("supernode routing server requires a peer ID identity")
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errPeerstoreMissing = errors.New("supernode routing server requires a peerstore")
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errServersMissing = errors.New("supernode routing client requires at least 1 server peer")
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)
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// SupernodeServer returns a configuration for a routing server that stores
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// routing records to the provided datastore. Only routing records are store in
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// the datastore.
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func SupernodeServer(recordSource ds.Datastore) core.RoutingOption {
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return func(ctx context.Context, ph host.Host, dstore repo.Datastore) (routing.IpfsRouting, error) {
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server, err := supernode.NewServer(recordSource, ph.Peerstore(), ph.ID())
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if err != nil {
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return nil, err
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}
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proxy := &gcproxy.Loopback{
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Handler: server,
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Local: ph.ID(),
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}
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ph.SetStreamHandler(gcproxy.ProtocolSNR, proxy.HandleStream)
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return supernode.NewClient(proxy, ph, ph.Peerstore(), ph.ID())
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}
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}
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// TODO doc
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func SupernodeClient(remotes ...pstore.PeerInfo) core.RoutingOption {
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return func(ctx context.Context, ph host.Host, dstore repo.Datastore) (routing.IpfsRouting, error) {
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if len(remotes) < 1 {
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return nil, errServersMissing
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}
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proxy := gcproxy.Standard(ph, remotes)
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ph.SetStreamHandler(gcproxy.ProtocolSNR, proxy.HandleStream)
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return supernode.NewClient(proxy, ph, ph.Peerstore(), ph.ID())
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}
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}
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