/
main.go
174 lines (148 loc) · 3.04 KB
/
main.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"os"
"github.com/MoZhonghua/mytools/tcpmux"
"gopkg.in/urfave/cli.v1"
)
var debug bool
var proxy string
var server string
func marshalData(v interface{}) string {
b, _ := json.MarshalIndent(v, "", " ")
return string(b)
}
func fail(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, format, args...)
fmt.Fprintln(os.Stderr, "")
os.Exit(1)
}
func exitOnError(err error) {
if err == nil {
return
}
fail("error: %v", err)
}
func showHelp(c *cli.Context) {
cli.ShowSubcommandHelp(c)
os.Exit(1)
}
var logger = log.New(os.Stdout, "", log.LstdFlags|log.Lshortfile)
func main() {
app := cli.NewApp()
app.Version = "1.0"
app.Usage = ""
app.Name = "tcpmux-admin tool"
app.Author = "MoZhonghua"
app.CommandNotFound = func(ctx *cli.Context, command string) {
fail("unknown command: %v", command)
}
app.Writer = os.Stdout
app.Flags = []cli.Flag{
&cli.BoolFlag{
Name: "debug",
Usage: "debug",
Destination: &debug,
},
&cli.StringFlag{
Name: "proxy",
Usage: "proxy address",
Value: "",
Destination: &proxy,
},
&cli.StringFlag{
Name: "server",
Usage: "server admin address",
Value: "http://127.0.0.1:6732",
Destination: &server,
},
}
app.Commands = []cli.Command{
{
Name: "list",
Usage: "list target",
Action: cmdList,
},
{
Name: "add",
Usage: "add target",
ArgsUsage: "<id> <target(ip:port)>",
Action: cmdAdd,
},
{
Name: "batch",
Usage: "add all targets defined in a json file",
ArgsUsage: "<file>",
Action: cmdBatch,
},
{
Name: "delete",
Usage: "delete target",
ArgsUsage: "<id>",
Action: cmdDelete,
},
}
err := app.Run(os.Args)
if err != nil {
os.Exit(1)
}
}
func createClient() *tcpmux.Client {
client, err := tcpmux.NewClient(server, logger, proxy, debug)
exitOnError(err)
return client
}
func cmdAdd(c *cli.Context) error {
if len(c.Args()) < 2 {
showHelp(c)
}
id := c.Args()[0]
target := c.Args()[1]
client := createClient()
err := client.AddTarget(id, target)
exitOnError(err)
fmt.Println("OK!")
return nil
}
func cmdBatch(c *cli.Context) error {
if len(c.Args()) < 1 {
showHelp(c)
}
path := c.Args()[0]
data, err := ioutil.ReadFile(path)
exitOnError(err)
list := make([]*tcpmux.TargetInfo, 0)
err = json.Unmarshal(data, &list)
exitOnError(err)
client := createClient()
for _, pm := range list {
err := client.AddTarget(pm.Id, pm.Target)
if err != nil {
fmt.Printf("%6s -> %s: %v\n", pm.Id, pm.Target, err)
} else {
fmt.Printf("%6s -> %s: OK!\n", pm.Id, pm.Target)
}
}
return nil
}
func cmdDelete(c *cli.Context) error {
if len(c.Args()) < 1 {
showHelp(c)
}
id := c.Args()[0]
client := createClient()
err := client.DeleteTarget(id)
exitOnError(err)
fmt.Println("OK!")
return nil
}
func cmdList(c *cli.Context) error {
client := createClient()
m, err := client.ListTarget()
exitOnError(err)
fmt.Println(marshalData(m))
return nil
}