lotus/node/impl/net/net.go

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package net
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import (
"context"
"sort"
"strings"
"time"
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"github.com/libp2p/go-libp2p/core/host"
"github.com/libp2p/go-libp2p/core/metrics"
"github.com/libp2p/go-libp2p/core/network"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/libp2p/go-libp2p/core/protocol"
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basichost "github.com/libp2p/go-libp2p/p2p/host/basic"
"github.com/libp2p/go-libp2p/p2p/net/conngater"
"github.com/libp2p/go-libp2p/p2p/net/swarm"
"github.com/libp2p/go-libp2p/p2p/protocol/ping"
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ma "github.com/multiformats/go-multiaddr"
manet "github.com/multiformats/go-multiaddr/net"
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"go.uber.org/fx"
"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/lotus/node/modules/lp2p"
)
type NetAPI struct {
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fx.In
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RawHost lp2p.RawHost
Host host.Host
Router lp2p.BaseIpfsRouting
ConnGater *conngater.BasicConnectionGater
ResourceManager network.ResourceManager
Reporter metrics.Reporter
Sk *dtypes.ScoreKeeper
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}
func (a *NetAPI) ID(context.Context) (peer.ID, error) {
return a.Host.ID(), nil
}
func (a *NetAPI) NetConnectedness(ctx context.Context, pid peer.ID) (network.Connectedness, error) {
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return a.Host.Network().Connectedness(pid), nil
}
func (a *NetAPI) NetPubsubScores(context.Context) ([]api.PubsubScore, error) {
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scores := a.Sk.Get()
out := make([]api.PubsubScore, len(scores))
i := 0
for k, v := range scores {
out[i] = api.PubsubScore{ID: k, Score: v}
i++
}
sort.Slice(out, func(i, j int) bool {
return strings.Compare(string(out[i].ID), string(out[j].ID)) > 0
})
return out, nil
}
func (a *NetAPI) NetPeers(context.Context) ([]peer.AddrInfo, error) {
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conns := a.Host.Network().Conns()
out := make([]peer.AddrInfo, len(conns))
for i, conn := range conns {
out[i] = peer.AddrInfo{
ID: conn.RemotePeer(),
Addrs: []ma.Multiaddr{
conn.RemoteMultiaddr(),
},
}
}
return out, nil
}
func (a *NetAPI) NetPeerInfo(_ context.Context, p peer.ID) (*api.ExtendedPeerInfo, error) {
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info := &api.ExtendedPeerInfo{ID: p}
agent, err := a.Host.Peerstore().Get(p, "AgentVersion")
if err == nil {
info.Agent = agent.(string)
}
for _, a := range a.Host.Peerstore().Addrs(p) {
info.Addrs = append(info.Addrs, a.String())
}
sort.Strings(info.Addrs)
protocols, err := a.Host.Peerstore().GetProtocols(p)
if err == nil {
protocolStrings := make([]string, 0, len(protocols))
for _, protocol := range protocols {
protocolStrings = append(protocolStrings, string(protocol))
}
sort.Strings(protocolStrings)
info.Protocols = protocolStrings
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}
if cm := a.Host.ConnManager().GetTagInfo(p); cm != nil {
info.ConnMgrMeta = &api.ConnMgrInfo{
FirstSeen: cm.FirstSeen,
Value: cm.Value,
Tags: cm.Tags,
Conns: cm.Conns,
}
}
return info, nil
}
func (a *NetAPI) NetConnect(ctx context.Context, p peer.AddrInfo) error {
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if swrm, ok := a.Host.Network().(*swarm.Swarm); ok {
swrm.Backoff().Clear(p.ID)
}
return a.Host.Connect(ctx, p)
}
func (a *NetAPI) NetAddrsListen(context.Context) (peer.AddrInfo, error) {
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return peer.AddrInfo{
ID: a.Host.ID(),
Addrs: a.Host.Addrs(),
}, nil
}
func (a *NetAPI) NetDisconnect(ctx context.Context, p peer.ID) error {
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return a.Host.Network().ClosePeer(p)
}
func (a *NetAPI) NetFindPeer(ctx context.Context, p peer.ID) (peer.AddrInfo, error) {
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return a.Router.FindPeer(ctx, p)
}
func (a *NetAPI) NetAutoNatStatus(context.Context) (i api.NatInfo, err error) {
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autonat := a.RawHost.(*basichost.BasicHost).GetAutoNat()
if autonat == nil {
return api.NatInfo{
Reachability: network.ReachabilityUnknown,
}, nil
}
var addrs []string
if autonat.Status() == network.ReachabilityPublic {
for _, addr := range a.Host.Addrs() {
if manet.IsPublicAddr(addr) {
addrs = append(addrs, addr.String())
}
}
}
return api.NatInfo{
Reachability: autonat.Status(),
PublicAddrs: addrs,
}, nil
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}
func (a *NetAPI) NetAgentVersion(ctx context.Context, p peer.ID) (string, error) {
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ag, err := a.Host.Peerstore().Get(p, "AgentVersion")
if err != nil {
return "", err
}
if ag == nil {
return "unknown", nil
}
return ag.(string), nil
}
func (a *NetAPI) NetBandwidthStats(ctx context.Context) (metrics.Stats, error) {
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return a.Reporter.GetBandwidthTotals(), nil
}
func (a *NetAPI) NetBandwidthStatsByPeer(ctx context.Context) (map[string]metrics.Stats, error) {
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out := make(map[string]metrics.Stats)
for p, s := range a.Reporter.GetBandwidthByPeer() {
out[p.String()] = s
}
return out, nil
}
func (a *NetAPI) NetPing(ctx context.Context, p peer.ID) (time.Duration, error) {
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result, ok := <-ping.Ping(ctx, a.Host, p)
if !ok {
return 0, xerrors.Errorf("didn't get ping result: %w", ctx.Err())
}
return result.RTT, result.Error
}
func (a *NetAPI) NetBandwidthStatsByProtocol(ctx context.Context) (map[protocol.ID]metrics.Stats, error) {
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return a.Reporter.GetBandwidthByProtocol(), nil
}
var _ api.Net = &NetAPI{}