238f3726f3
4 PinTypes specify how CID is pinned Changes to Pin and Unpin to handle different PinTypes Tests for different PinTypes Migration for new state format using new Pin datastructures Visibility of the PinTypes used internally limited by default License: MIT Signed-off-by: Wyatt Daviau <wdaviau@cs.stanford.edu>
113 lines
2.7 KiB
Go
113 lines
2.7 KiB
Go
package ipfscluster
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import (
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"errors"
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"fmt"
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"github.com/ipfs/ipfs-cluster/api"
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cid "github.com/ipfs/go-cid"
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host "github.com/libp2p/go-libp2p-host"
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peer "github.com/libp2p/go-libp2p-peer"
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ma "github.com/multiformats/go-multiaddr"
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)
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// PeersFromMultiaddrs returns all the different peers in the given addresses.
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// each peer only will appear once in the result, even if several
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// multiaddresses for it are provided.
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func PeersFromMultiaddrs(addrs []ma.Multiaddr) []peer.ID {
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var pids []peer.ID
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pm := make(map[peer.ID]struct{})
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for _, addr := range addrs {
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pid, _, err := api.Libp2pMultiaddrSplit(addr)
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if err != nil {
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continue
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}
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_, ok := pm[pid]
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if !ok {
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pm[pid] = struct{}{}
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pids = append(pids, pid)
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}
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}
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return pids
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}
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// // connect to a peer ID.
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// func connectToPeer(ctx context.Context, h host.Host, id peer.ID, addr ma.Multiaddr) error {
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// err := h.Connect(ctx, peerstore.PeerInfo{
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// ID: id,
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// Addrs: []ma.Multiaddr{addr},
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// })
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// return err
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// }
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// // return the local multiaddresses used to communicate to a peer.
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// func localMultiaddrsTo(h host.Host, pid peer.ID) []ma.Multiaddr {
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// var addrs []ma.Multiaddr
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// conns := h.Network().ConnsToPeer(pid)
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// logger.Debugf("conns to %s are: %s", pid, conns)
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// for _, conn := range conns {
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// addrs = append(addrs, multiaddrJoin(conn.LocalMultiaddr(), h.ID()))
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// }
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// return addrs
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// }
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// If we have connections open to that PID and they are using a different addr
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// then we return the one we are using, otherwise the one provided
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func getRemoteMultiaddr(h host.Host, pid peer.ID, addr ma.Multiaddr) ma.Multiaddr {
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conns := h.Network().ConnsToPeer(pid)
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if len(conns) > 0 {
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return api.MustLibp2pMultiaddrJoin(conns[0].RemoteMultiaddr(), pid)
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}
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return api.MustLibp2pMultiaddrJoin(addr, pid)
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}
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func pinInfoSliceToSerial(pi []api.PinInfo) []api.PinInfoSerial {
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pis := make([]api.PinInfoSerial, len(pi), len(pi))
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for i, v := range pi {
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pis[i] = v.ToSerial()
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}
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return pis
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}
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// GlobalPinInfoSliceToSerial is a helper function for serializing a slice of
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// api.GlobalPinInfos.
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func GlobalPinInfoSliceToSerial(gpi []api.GlobalPinInfo) []api.GlobalPinInfoSerial {
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gpis := make([]api.GlobalPinInfoSerial, len(gpi), len(gpi))
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for i, v := range gpi {
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gpis[i] = v.ToSerial()
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}
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return gpis
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}
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func logError(fmtstr string, args ...interface{}) error {
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msg := fmt.Sprintf(fmtstr, args...)
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logger.Error(msg)
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return errors.New(msg)
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}
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func containsPeer(list []peer.ID, peer peer.ID) bool {
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for _, p := range list {
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if p == peer {
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return true
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}
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}
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return false
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}
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func containsCid(list []*cid.Cid, ci *cid.Cid) bool {
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for _, c := range list {
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if c.String() == ci.String() {
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return true
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}
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}
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return false
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}
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func minInt(x, y int) int {
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if x < y {
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return x
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}
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return y
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}
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