1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"context"
"fmt"
"path/filepath"
"strings"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/swarm/fuse"
"gopkg.in/urfave/cli.v1"
)
var fsCommand = cli.Command{
Name: "fs",
CustomHelpTemplate: helpTemplate,
Usage: "perform FUSE operations",
ArgsUsage: "fs COMMAND",
Description: "Performs FUSE operations by mounting/unmounting/listing mount points. This assumes you already have a Swarm node running locally. For all operation you must reference the correct path to bzzd.ipc in order to communicate with the node",
Subcommands: []cli.Command{
{
Action: mount,
CustomHelpTemplate: helpTemplate,
Name: "mount",
Flags: []cli.Flag{utils.IPCPathFlag},
Usage: "mount a swarm hash to a mount point",
ArgsUsage: "swarm fs mount --ipcpath <path to bzzd.ipc> <manifest hash> <mount point>",
Description: "Mounts a Swarm manifest hash to a given mount point. This assumes you already have a Swarm node running locally. You must reference the correct path to your bzzd.ipc file",
},
{
Action: unmount,
CustomHelpTemplate: helpTemplate,
Name: "unmount",
Flags: []cli.Flag{utils.IPCPathFlag},
Usage: "unmount a swarmfs mount",
ArgsUsage: "swarm fs unmount --ipcpath <path to bzzd.ipc> <mount point>",
Description: "Unmounts a swarmfs mount residing at <mount point>. This assumes you already have a Swarm node running locally. You must reference the correct path to your bzzd.ipc file",
},
{
Action: listMounts,
CustomHelpTemplate: helpTemplate,
Name: "list",
Flags: []cli.Flag{utils.IPCPathFlag},
Usage: "list swarmfs mounts",
ArgsUsage: "swarm fs list --ipcpath <path to bzzd.ipc>",
Description: "Lists all mounted swarmfs volumes. This assumes you already have a Swarm node running locally. You must reference the correct path to your bzzd.ipc file",
},
},
}
func mount(cliContext *cli.Context) {
args := cliContext.Args()
if len(args) < 2 {
utils.Fatalf("Usage: swarm fs mount --ipcpath <path to bzzd.ipc> <manifestHash> <file name>")
}
client, err := dialRPC(cliContext)
if err != nil {
utils.Fatalf("had an error dailing to RPC endpoint: %v", err)
}
defer client.Close()
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
mf := &fuse.MountInfo{}
mountPoint, err := filepath.Abs(filepath.Clean(args[1]))
if err != nil {
utils.Fatalf("error expanding path for mount point: %v", err)
}
err = client.CallContext(ctx, mf, "swarmfs_mount", args[0], mountPoint)
if err != nil {
utils.Fatalf("had an error calling the RPC endpoint while mounting: %v", err)
}
}
func unmount(cliContext *cli.Context) {
args := cliContext.Args()
if len(args) < 1 {
utils.Fatalf("Usage: swarm fs unmount --ipcpath <path to bzzd.ipc> <mount path>")
}
client, err := dialRPC(cliContext)
if err != nil {
utils.Fatalf("had an error dailing to RPC endpoint: %v", err)
}
defer client.Close()
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
mf := fuse.MountInfo{}
err = client.CallContext(ctx, &mf, "swarmfs_unmount", args[0])
if err != nil {
utils.Fatalf("encountered an error calling the RPC endpoint while unmounting: %v", err)
}
fmt.Printf("%s\n", mf.LatestManifest) //print the latest manifest hash for user reference
}
func listMounts(cliContext *cli.Context) {
client, err := dialRPC(cliContext)
if err != nil {
utils.Fatalf("had an error dailing to RPC endpoint: %v", err)
}
defer client.Close()
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
mf := []fuse.MountInfo{}
err = client.CallContext(ctx, &mf, "swarmfs_listmounts")
if err != nil {
utils.Fatalf("encountered an error calling the RPC endpoint while listing mounts: %v", err)
}
if len(mf) == 0 {
fmt.Print("Could not found any swarmfs mounts. Please make sure you've specified the correct RPC endpoint\n")
} else {
fmt.Printf("Found %d swarmfs mount(s):\n", len(mf))
for i, mountInfo := range mf {
fmt.Printf("%d:\n", i)
fmt.Printf("\tMount point: %s\n", mountInfo.MountPoint)
fmt.Printf("\tLatest Manifest: %s\n", mountInfo.LatestManifest)
fmt.Printf("\tStart Manifest: %s\n", mountInfo.StartManifest)
}
}
}
func dialRPC(ctx *cli.Context) (*rpc.Client, error) {
var endpoint string
if ctx.IsSet(utils.IPCPathFlag.Name) {
endpoint = ctx.String(utils.IPCPathFlag.Name)
} else {
utils.Fatalf("swarm ipc endpoint not specified")
}
if endpoint == "" {
endpoint = node.DefaultIPCEndpoint(clientIdentifier)
} else if strings.HasPrefix(endpoint, "rpc:") || strings.HasPrefix(endpoint, "ipc:") {
// Backwards compatibility with geth < 1.5 which required
// these prefixes.
endpoint = endpoint[4:]
}
return rpc.Dial(endpoint)
}
|
