| 1 | package rpc |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "time" |
| 6 | |
| 7 | iface "github.com/ipfs/kubo/core/coreiface" |
| 8 | "github.com/libp2p/go-libp2p/core/network" |
| 9 | "github.com/libp2p/go-libp2p/core/peer" |
| 10 | "github.com/libp2p/go-libp2p/core/protocol" |
| 11 | "github.com/multiformats/go-multiaddr" |
| 12 | ) |
| 13 | |
| 14 | type SwarmAPI HttpApi |
| 15 | |
| 16 | func (api *SwarmAPI) Connect(ctx context.Context, pi peer.AddrInfo) error { |
| 17 | pidma, err := multiaddr.NewComponent("p2p", pi.ID.String()) |
| 18 | if err != nil { |
| 19 | return err |
| 20 | } |
| 21 | |
| 22 | saddrs := make([]string, len(pi.Addrs)) |
| 23 | for i, addr := range pi.Addrs { |
| 24 | saddrs[i] = addr.Encapsulate(pidma).String() |
| 25 | } |
| 26 | |
| 27 | return api.core().Request("swarm/connect", saddrs...).Exec(ctx, nil) |
| 28 | } |
| 29 | |
| 30 | func (api *SwarmAPI) Disconnect(ctx context.Context, addr multiaddr.Multiaddr) error { |
| 31 | return api.core().Request("swarm/disconnect", addr.String()).Exec(ctx, nil) |
| 32 | } |
| 33 | |
| 34 | type connInfo struct { |
| 35 | addr multiaddr.Multiaddr |
| 36 | peer peer.ID |
| 37 | latency time.Duration |
| 38 | muxer string |
| 39 | direction network.Direction |
| 40 | streams []protocol.ID |
| 41 | } |
| 42 | |
| 43 | func (c *connInfo) ID() peer.ID { |
| 44 | return c.peer |
| 45 | } |
| 46 | |
| 47 | func (c *connInfo) Address() multiaddr.Multiaddr { |
| 48 | return c.addr |
| 49 | } |
| 50 | |
| 51 | func (c *connInfo) Direction() network.Direction { |
| 52 | return c.direction |
| 53 | } |
| 54 | |
| 55 | func (c *connInfo) Latency() (time.Duration, error) { |
| 56 | return c.latency, nil |
| 57 | } |
| 58 | |
| 59 | func (c *connInfo) Streams() ([]protocol.ID, error) { |
| 60 | return c.streams, nil |
| 61 | } |
| 62 | |
| 63 | func (api *SwarmAPI) Peers(ctx context.Context) ([]iface.ConnectionInfo, error) { |
| 64 | var resp struct { |
| 65 | Peers []struct { |
| 66 | Addr string |
| 67 | Peer string |
| 68 | Latency string |
| 69 | Muxer string |
| 70 | Direction network.Direction |
| 71 | Streams []struct { |
| 72 | Protocol string |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | err := api.core().Request("swarm/peers"). |
| 78 | Option("streams", true). |
| 79 | Option("latency", true). |
| 80 | Exec(ctx, &resp) |
| 81 | if err != nil { |
| 82 | return nil, err |
| 83 | } |
| 84 | |
| 85 | res := make([]iface.ConnectionInfo, len(resp.Peers)) |
| 86 | for i, conn := range resp.Peers { |
| 87 | latency, _ := time.ParseDuration(conn.Latency) |
| 88 | out := &connInfo{ |
| 89 | latency: latency, |
| 90 | muxer: conn.Muxer, |
| 91 | direction: conn.Direction, |
| 92 | } |
| 93 | |
| 94 | out.peer, err = peer.Decode(conn.Peer) |
| 95 | if err != nil { |
| 96 | return nil, err |
| 97 | } |
| 98 | |
| 99 | out.addr, err = multiaddr.NewMultiaddr(conn.Addr) |
| 100 | if err != nil { |
| 101 | return nil, err |
| 102 | } |
| 103 | |
| 104 | out.streams = make([]protocol.ID, len(conn.Streams)) |
| 105 | for i, p := range conn.Streams { |
| 106 | out.streams[i] = protocol.ID(p.Protocol) |
| 107 | } |
| 108 | |
| 109 | res[i] = out |
| 110 | } |
| 111 | |
| 112 | return res, nil |
| 113 | } |
| 114 | |
| 115 | func (api *SwarmAPI) KnownAddrs(ctx context.Context) (map[peer.ID][]multiaddr.Multiaddr, error) { |
| 116 | var out struct { |
| 117 | Addrs map[string][]string |
| 118 | } |
| 119 | if err := api.core().Request("swarm/addrs").Exec(ctx, &out); err != nil { |
| 120 | return nil, err |
| 121 | } |
| 122 | res := map[peer.ID][]multiaddr.Multiaddr{} |
| 123 | for spid, saddrs := range out.Addrs { |
| 124 | addrs := make([]multiaddr.Multiaddr, len(saddrs)) |
| 125 | |
| 126 | for i, addr := range saddrs { |
| 127 | a, err := multiaddr.NewMultiaddr(addr) |
| 128 | if err != nil { |
| 129 | return nil, err |
| 130 | } |
| 131 | addrs[i] = a |
| 132 | } |
| 133 | |
| 134 | pid, err := peer.Decode(spid) |
| 135 | if err != nil { |
| 136 | return nil, err |
| 137 | } |
| 138 | |
| 139 | res[pid] = addrs |
| 140 | } |
| 141 | |
| 142 | return res, nil |
| 143 | } |
| 144 | |
| 145 | func (api *SwarmAPI) LocalAddrs(ctx context.Context) ([]multiaddr.Multiaddr, error) { |
| 146 | var out struct { |
| 147 | Strings []string |
| 148 | } |
| 149 | |
| 150 | if err := api.core().Request("swarm/addrs/local").Exec(ctx, &out); err != nil { |
| 151 | return nil, err |
| 152 | } |
| 153 | |
| 154 | res := make([]multiaddr.Multiaddr, len(out.Strings)) |
| 155 | for i, addr := range out.Strings { |
| 156 | ma, err := multiaddr.NewMultiaddr(addr) |
| 157 | if err != nil { |
| 158 | return nil, err |
| 159 | } |
| 160 | res[i] = ma |
| 161 | } |
| 162 | return res, nil |
| 163 | } |
| 164 | |
| 165 | func (api *SwarmAPI) ListenAddrs(ctx context.Context) ([]multiaddr.Multiaddr, error) { |
| 166 | var out struct { |
| 167 | Strings []string |
| 168 | } |
| 169 | |
| 170 | if err := api.core().Request("swarm/addrs/listen").Exec(ctx, &out); err != nil { |
| 171 | return nil, err |
| 172 | } |
| 173 | |
| 174 | res := make([]multiaddr.Multiaddr, len(out.Strings)) |
| 175 | for i, addr := range out.Strings { |
| 176 | ma, err := multiaddr.NewMultiaddr(addr) |
| 177 | if err != nil { |
| 178 | return nil, err |
| 179 | } |
| 180 | res[i] = ma |
| 181 | } |
| 182 | return res, nil |
| 183 | } |
| 184 | |
| 185 | func (api *SwarmAPI) core() *HttpApi { |
| 186 | return (*HttpApi)(api) |
| 187 | } |