forked from gocircuit/circuit
/
main.go
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/
main.go
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// Copyright 2013 The Go Circuit Project
// Use of this source code is governed by the license for
// The Go Circuit Project, found in the LICENSE file.
//
// Authors:
// 2013 Petar Maymounkov <p@gocircuit.org>
// This package provides the executable program for the resource-sharing circuit app
package main
import (
"log"
"os"
"github.com/urfave/cli/v2"
)
func main() {
app := cli.NewApp()
app.Name = "circuit"
app.Usage = "Circuit server and client tool"
app.Commands = []*cli.Command{
// circuit
{
Name: "start",
Usage: "Run a circuit worker on this machine",
Action: server,
Flags: []cli.Flag{
&cli.StringFlag{Name: "addr, a", Value: "0.0.0.0:0", Usage: "Address of circuit server."},
&cli.StringFlag{Name: "if", Value: "", Usage: "Bind any available port on the specified interface."},
&cli.StringFlag{Name: "var", Value: "", Usage: "Lock and log directory for the circuit server."},
&cli.StringFlag{Name: "join, j", Value: "", Usage: "Join a circuit through a current member by address."},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File with HMAC credentials for HMAC/RC4 transport security.", EnvVars: []string{"CIRCUIT_HMAC"}},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.BoolFlag{Name: "docker", Usage: "Enable docker elements; docker command must be executable"},
},
},
{
Name: "keygen",
Usage: "Generate a new random HMAC key",
Action: keygen,
},
{
Name: "ls",
Usage: "List circuit elements",
Action: ls,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.BoolFlag{Name: "long, l", Usage: "show detailed anchor information"},
&cli.BoolFlag{Name: "depth, de", Usage: "traverse anchors in depth-first order (leaves first)"},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
// subscription-specific
{
Name: "mk@join",
Usage: "Create a subscription element, receiving server join events",
Action: mkonjoin,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "mk@leave",
Usage: "Create a subscription element, receiving server leave events",
Action: mkonleave,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
// server-specific
{
Name: "stk",
Usage: "Print the runtime stack trace of a server element",
Action: stack,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "join",
Usage: "Merge the networks of this circuit server and that of the argument circuit address",
Action: join,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "suicide",
Usage: "Kill a chosen circuit daemon",
Action: stack,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
// channel-specific
{
Name: "mkchan",
Usage: "Create a channel element",
Action: mkchan,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "send",
Usage: "Send data to the channel from standard input",
Action: send,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "recv",
Usage: "Receive data from a channel or a subscription on stadard output",
Action: recv,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "close",
Usage: "Close the channel after all current transmissions complete",
Action: clos,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
// common
{
Name: "scrub",
Usage: "Abort and remove an element",
Action: scrb,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "peek",
Usage: "Query element state asynchronously",
Action: peek,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
// nameserver
{
Name: "mkdns",
Usage: "Create a nameserver element",
Action: mkdns,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "set",
Usage: "Set a resource record in a nameserver element",
Action: nset,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "unset",
Usage: "Remove all resource records for a name in a nameserver element",
Action: nunset,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
// proc/dkr-specific
{
Name: "mkdkr",
Usage: "Create a docker container element",
Action: mkdkr,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.BoolFlag{Name: "scrub", Usage: "scrub the process anchor automatically on exit"},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "mkproc",
Usage: "Create a process element",
Action: mkproc,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.BoolFlag{Name: "scrub", Usage: "scrub the process anchor automatically on exit"},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "signal",
Usage: "Send a signal to a running process",
Action: sgnl,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "wait",
Usage: "Wait until a process exits",
Action: wait,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "waitall",
Usage: "Wait until a set of processes all exit",
Action: waitall,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
// stdin, stdout, stderr
{
Name: "stdin",
Usage: "Forward this tool's standard input to that of the process",
Action: stdin,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "stdout",
Usage: "Forward the standard output of the process to the standard output of this tool",
Action: stdout,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
{
Name: "stderr",
Usage: "Forward the standard error of the process to the standard output of this tool",
Action: stderr,
Flags: []cli.Flag{
&cli.StringFlag{Name: "dial, d", Value: "", Usage: "circuit member to dial into"},
&cli.StringFlag{Name: "discover", Value: "228.8.8.8:8822", Usage: "Multicast address for peer server discovery", EnvVars: []string{"CIRCUIT_DISCOVER"}},
&cli.StringFlag{Name: "hmac", Value: "", Usage: "File containing HMAC credentials. Use RC4 encryption.", EnvVars: []string{"CIRCUIT_HMAC"}},
},
},
}
if err := app.Run(os.Args); err != nil {
log.Fatal(err)
}
os.Exit(0)
}