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Files
kubo/core/commands/bitswap.go
Steven Allen dfe7ef4fcf gx: update go-multihash
License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>
2017-12-14 13:09:51 -08:00

289 lines
7.2 KiB
Go

package commands
import (
"bytes"
"fmt"
"io"
oldcmds "github.com/ipfs/go-ipfs/commands"
e "github.com/ipfs/go-ipfs/core/commands/e"
bitswap "github.com/ipfs/go-ipfs/exchange/bitswap"
decision "github.com/ipfs/go-ipfs/exchange/bitswap/decision"
cmds "gx/ipfs/QmP9vZfc5WSjfGTXmwX2EcicMFzmZ6fXn7HTdKYat6ccmH/go-ipfs-cmds"
"gx/ipfs/QmPSBJL4momYnE7DcUyk2DVhD6rH488ZmHBGLbxNdhU44K/go-humanize"
cmdkit "gx/ipfs/QmQp2a2Hhb7F6eK2A5hN8f9aJy4mtkEikL9Zj4cgB7d1dD/go-ipfs-cmdkit"
peer "gx/ipfs/QmWNY7dV54ZDYmTA1ykVdwNCqC11mpU4zSUp6XDpLTH9eG/go-libp2p-peer"
cid "gx/ipfs/QmeSrf6pzut73u6zLQkRFQ3ygt3k6XFT2kjdYP8Tnkwwyg/go-cid"
)
var BitswapCmd = &cmds.Command{
Helptext: cmdkit.HelpText{
Tagline: "Interact with the bitswap agent.",
ShortDescription: ``,
},
Subcommands: map[string]*cmds.Command{
"stat": bitswapStatCmd,
},
OldSubcommands: map[string]*oldcmds.Command{
"wantlist": showWantlistCmd,
"unwant": unwantCmd,
"ledger": ledgerCmd,
"reprovide": reprovideCmd,
},
}
var unwantCmd = &oldcmds.Command{
Helptext: cmdkit.HelpText{
Tagline: "Remove a given block from your wantlist.",
},
Arguments: []cmdkit.Argument{
cmdkit.StringArg("key", true, true, "Key(s) to remove from your wantlist.").EnableStdin(),
},
Run: func(req oldcmds.Request, res oldcmds.Response) {
nd, err := req.InvocContext().GetNode()
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
if !nd.OnlineMode() {
res.SetError(errNotOnline, cmdkit.ErrClient)
return
}
bs, ok := nd.Exchange.(*bitswap.Bitswap)
if !ok {
res.SetError(e.TypeErr(bs, nd.Exchange), cmdkit.ErrNormal)
return
}
var ks []*cid.Cid
for _, arg := range req.Arguments() {
c, err := cid.Decode(arg)
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
ks = append(ks, c)
}
// TODO: This should maybe find *all* sessions for this request and cancel them?
// (why): in reality, i think this command should be removed. Its
// messing with the internal state of bitswap. You should cancel wants
// by killing the command that caused the want.
bs.CancelWants(ks, 0)
res.SetOutput(nil)
},
}
var showWantlistCmd = &oldcmds.Command{
Helptext: cmdkit.HelpText{
Tagline: "Show blocks currently on the wantlist.",
ShortDescription: `
Print out all blocks currently on the bitswap wantlist for the local peer.`,
},
Options: []cmdkit.Option{
cmdkit.StringOption("peer", "p", "Specify which peer to show wantlist for. Default: self."),
},
Type: KeyList{},
Run: func(req oldcmds.Request, res oldcmds.Response) {
nd, err := req.InvocContext().GetNode()
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
if !nd.OnlineMode() {
res.SetError(errNotOnline, cmdkit.ErrClient)
return
}
bs, ok := nd.Exchange.(*bitswap.Bitswap)
if !ok {
res.SetError(e.TypeErr(bs, nd.Exchange), cmdkit.ErrNormal)
return
}
pstr, found, err := req.Option("peer").String()
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
if found {
pid, err := peer.IDB58Decode(pstr)
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
if pid == nd.Identity {
res.SetOutput(&KeyList{bs.GetWantlist()})
return
}
res.SetOutput(&KeyList{bs.WantlistForPeer(pid)})
} else {
res.SetOutput(&KeyList{bs.GetWantlist()})
}
},
Marshalers: oldcmds.MarshalerMap{
oldcmds.Text: KeyListTextMarshaler,
},
}
var bitswapStatCmd = &cmds.Command{
Helptext: cmdkit.HelpText{
Tagline: "Show some diagnostic information on the bitswap agent.",
ShortDescription: ``,
},
Type: bitswap.Stat{},
Run: func(req cmds.Request, res cmds.ResponseEmitter) {
nd, err := req.InvocContext().GetNode()
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
if !nd.OnlineMode() {
res.SetError(errNotOnline, cmdkit.ErrClient)
return
}
bs, ok := nd.Exchange.(*bitswap.Bitswap)
if !ok {
res.SetError(e.TypeErr(bs, nd.Exchange), cmdkit.ErrNormal)
return
}
st, err := bs.Stat()
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
cmds.EmitOnce(res, st)
},
Encoders: cmds.EncoderMap{
cmds.Text: cmds.MakeEncoder(func(req cmds.Request, w io.Writer, v interface{}) error {
out, ok := v.(*bitswap.Stat)
if !ok {
return e.TypeErr(out, v)
}
fmt.Fprintln(w, "bitswap status")
fmt.Fprintf(w, "\tprovides buffer: %d / %d\n", out.ProvideBufLen, bitswap.HasBlockBufferSize)
fmt.Fprintf(w, "\tblocks received: %d\n", out.BlocksReceived)
fmt.Fprintf(w, "\tblocks sent: %d\n", out.BlocksSent)
fmt.Fprintf(w, "\tdata received: %d\n", out.DataReceived)
fmt.Fprintf(w, "\tdata sent: %d\n", out.DataSent)
fmt.Fprintf(w, "\tdup blocks received: %d\n", out.DupBlksReceived)
fmt.Fprintf(w, "\tdup data received: %s\n", humanize.Bytes(out.DupDataReceived))
fmt.Fprintf(w, "\twantlist [%d keys]\n", len(out.Wantlist))
for _, k := range out.Wantlist {
fmt.Fprintf(w, "\t\t%s\n", k.String())
}
fmt.Fprintf(w, "\tpartners [%d]\n", len(out.Peers))
for _, p := range out.Peers {
fmt.Fprintf(w, "\t\t%s\n", p)
}
return nil
}),
},
}
var ledgerCmd = &oldcmds.Command{
Helptext: cmdkit.HelpText{
Tagline: "Show the current ledger for a peer.",
ShortDescription: `
The Bitswap decision engine tracks the number of bytes exchanged between IPFS
nodes, and stores this information as a collection of ledgers. This command
prints the ledger associated with a given peer.
`,
},
Arguments: []cmdkit.Argument{
cmdkit.StringArg("peer", true, false, "The PeerID (B58) of the ledger to inspect."),
},
Type: decision.Receipt{},
Run: func(req oldcmds.Request, res oldcmds.Response) {
nd, err := req.InvocContext().GetNode()
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
if !nd.OnlineMode() {
res.SetError(errNotOnline, cmdkit.ErrClient)
return
}
bs, ok := nd.Exchange.(*bitswap.Bitswap)
if !ok {
res.SetError(e.TypeErr(bs, nd.Exchange), cmdkit.ErrNormal)
return
}
partner, err := peer.IDB58Decode(req.Arguments()[0])
if err != nil {
res.SetError(err, cmdkit.ErrClient)
return
}
res.SetOutput(bs.LedgerForPeer(partner))
},
Marshalers: oldcmds.MarshalerMap{
oldcmds.Text: func(res oldcmds.Response) (io.Reader, error) {
v, err := unwrapOutput(res.Output())
if err != nil {
return nil, err
}
out, ok := v.(*decision.Receipt)
if !ok {
return nil, e.TypeErr(out, v)
}
buf := new(bytes.Buffer)
fmt.Fprintf(buf, "Ledger for %s\n"+
"Debt ratio:\t%f\n"+
"Exchanges:\t%d\n"+
"Bytes sent:\t%d\n"+
"Bytes received:\t%d\n\n",
out.Peer, out.Value, out.Exchanged,
out.Sent, out.Recv)
return buf, nil
},
},
}
var reprovideCmd = &oldcmds.Command{
Helptext: cmdkit.HelpText{
Tagline: "Trigger reprovider.",
ShortDescription: `
Trigger reprovider to announce our data to network.
`,
},
Run: func(req oldcmds.Request, res oldcmds.Response) {
nd, err := req.InvocContext().GetNode()
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
if !nd.OnlineMode() {
res.SetError(errNotOnline, cmdkit.ErrClient)
return
}
err = nd.Reprovider.Trigger(req.Context())
if err != nil {
res.SetError(err, cmdkit.ErrNormal)
return
}
res.SetOutput(nil)
},
}