Move yggdrasilctl command line env to separate mod

This commit is contained in:
Alex Kotov 2021-07-23 17:08:45 +05:00
parent f28efec08a
commit b3ca1c40a1
2 changed files with 104 additions and 93 deletions

View file

@ -0,0 +1,94 @@
package cmd_line_env
import (
"bytes"
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"github.com/hjson/hjson-go"
"golang.org/x/text/encoding/unicode"
"github.com/yggdrasil-network/yggdrasil-go/src/defaults"
)
type CmdLineEnv struct {
Args []string
Endpoint, Server string
Injson, Verbose, Ver bool
}
func New() CmdLineEnv {
var cmdLineEnv CmdLineEnv
cmdLineEnv.Endpoint = defaults.GetDefaults().DefaultAdminListen
return cmdLineEnv
}
func (cmdLineEnv *CmdLineEnv)ParseFlagsAndArgs() {
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [options] command [key=value] [key=value] ...\n\n", os.Args[0])
fmt.Println("Options:")
flag.PrintDefaults()
fmt.Println()
fmt.Println("Please note that options must always specified BEFORE the command\non the command line or they will be ignored.")
fmt.Println()
fmt.Println("Commands:\n - Use \"list\" for a list of available commands")
fmt.Println()
fmt.Println("Examples:")
fmt.Println(" - ", os.Args[0], "list")
fmt.Println(" - ", os.Args[0], "getPeers")
fmt.Println(" - ", os.Args[0], "-v getSelf")
fmt.Println(" - ", os.Args[0], "setTunTap name=auto mtu=1500 tap_mode=false")
fmt.Println(" - ", os.Args[0], "-endpoint=tcp://localhost:9001 getDHT")
fmt.Println(" - ", os.Args[0], "-endpoint=unix:///var/run/ygg.sock getDHT")
}
server := flag.String("endpoint", cmdLineEnv.Endpoint, "Admin socket endpoint")
injson := flag.Bool("json", false, "Output in JSON format (as opposed to pretty-print)")
verbose := flag.Bool("v", false, "Verbose output (includes public keys)")
ver := flag.Bool("version", false, "Prints the version of this build")
flag.Parse()
cmdLineEnv.Args = flag.Args()
cmdLineEnv.Server = *server
cmdLineEnv.Injson = *injson
cmdLineEnv.Verbose = *verbose
cmdLineEnv.Ver = *ver
}
func (cmdLineEnv *CmdLineEnv)SetEndpoint(logger *log.Logger) {
if cmdLineEnv.Server == cmdLineEnv.Endpoint {
if config, err := ioutil.ReadFile(defaults.GetDefaults().DefaultConfigFile); err == nil {
if bytes.Equal(config[0:2], []byte{0xFF, 0xFE}) ||
bytes.Equal(config[0:2], []byte{0xFE, 0xFF}) {
utf := unicode.UTF16(unicode.BigEndian, unicode.UseBOM)
decoder := utf.NewDecoder()
config, err = decoder.Bytes(config)
if err != nil {
panic(err)
}
}
var dat map[string]interface{}
if err := hjson.Unmarshal(config, &dat); err != nil {
panic(err)
}
if ep, ok := dat["AdminListen"].(string); ok && (ep != "none" && ep != "") {
cmdLineEnv.Endpoint = ep
logger.Println("Found platform default config file", defaults.GetDefaults().DefaultConfigFile)
logger.Println("Using endpoint", cmdLineEnv.Endpoint, "from AdminListen")
} else {
logger.Println("Configuration file doesn't contain appropriate AdminListen option")
logger.Println("Falling back to platform default", defaults.GetDefaults().DefaultAdminListen)
}
} else {
logger.Println("Can't open config file from default location", defaults.GetDefaults().DefaultConfigFile)
logger.Println("Falling back to platform default", defaults.GetDefaults().DefaultAdminListen)
}
} else {
cmdLineEnv.Endpoint = cmdLineEnv.Server
logger.Println("Using endpoint", cmdLineEnv.Endpoint, "from command line")
}
}

View file

@ -6,7 +6,6 @@ import (
"errors"
"flag"
"fmt"
"io/ioutil"
"log"
"net"
"net/url"
@ -15,21 +14,12 @@ import (
"strconv"
"strings"
"golang.org/x/text/encoding/unicode"
"github.com/hjson/hjson-go"
"github.com/yggdrasil-network/yggdrasil-go/src/defaults"
"github.com/yggdrasil-network/yggdrasil-go/cmd/yggdrasilctl/cmd_line_env"
"github.com/yggdrasil-network/yggdrasil-go/src/version"
)
type admin_info map[string]interface{}
type CmdLineEnv struct {
args []string
endpoint, server string
injson, verbose, ver bool
}
func main() {
// makes sure we can use defer and still return an error code to the OS
os.Exit(run())
@ -48,25 +38,25 @@ func run() int {
return 0
}()
cmdLineEnv := createCmdLineEnv()
cmdLineEnv := cmd_line_env.New()
cmdLineEnv.parseFlagsAndArgs()
cmdLineEnv.ParseFlagsAndArgs()
if cmdLineEnv.ver {
if cmdLineEnv.Ver {
fmt.Println("Build name:", version.BuildName())
fmt.Println("Build version:", version.BuildVersion())
fmt.Println("To get the version number of the running Yggdrasil node, run", os.Args[0], "getSelf")
return 0
}
if len(cmdLineEnv.args) == 0 {
if len(cmdLineEnv.Args) == 0 {
flag.Usage()
return 0
}
cmdLineEnv.setEndpoint(logger)
cmdLineEnv.SetEndpoint(logger)
conn := connect(cmdLineEnv.endpoint, logger)
conn := connect(cmdLineEnv.Endpoint, logger)
logger.Println("Connected")
defer conn.Close()
@ -75,7 +65,7 @@ func run() int {
send := make(admin_info)
recv := make(admin_info)
for c, a := range cmdLineEnv.args {
for c, a := range cmdLineEnv.Args {
if c == 0 {
if strings.HasPrefix(a, "-") {
logger.Printf("Ignoring flag %s as it should be specified before other parameters\n", a)
@ -134,14 +124,14 @@ func run() int {
}
res := recv["response"].(map[string]interface{})
if cmdLineEnv.injson {
if cmdLineEnv.Injson {
if json, err := json.MarshalIndent(res, "", " "); err == nil {
fmt.Println(string(json))
}
return 0
}
handleAll(recv, cmdLineEnv.verbose)
handleAll(recv, cmdLineEnv.Verbose)
} else {
logger.Println("Error receiving response:", err)
}
@ -153,79 +143,6 @@ func run() int {
return 0
}
func createCmdLineEnv() CmdLineEnv {
var cmdLineEnv CmdLineEnv
cmdLineEnv.endpoint = defaults.GetDefaults().DefaultAdminListen
return cmdLineEnv
}
func (cmdLineEnv *CmdLineEnv)parseFlagsAndArgs() {
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [options] command [key=value] [key=value] ...\n\n", os.Args[0])
fmt.Println("Options:")
flag.PrintDefaults()
fmt.Println()
fmt.Println("Please note that options must always specified BEFORE the command\non the command line or they will be ignored.")
fmt.Println()
fmt.Println("Commands:\n - Use \"list\" for a list of available commands")
fmt.Println()
fmt.Println("Examples:")
fmt.Println(" - ", os.Args[0], "list")
fmt.Println(" - ", os.Args[0], "getPeers")
fmt.Println(" - ", os.Args[0], "-v getSelf")
fmt.Println(" - ", os.Args[0], "setTunTap name=auto mtu=1500 tap_mode=false")
fmt.Println(" - ", os.Args[0], "-endpoint=tcp://localhost:9001 getDHT")
fmt.Println(" - ", os.Args[0], "-endpoint=unix:///var/run/ygg.sock getDHT")
}
server := flag.String("endpoint", cmdLineEnv.endpoint, "Admin socket endpoint")
injson := flag.Bool("json", false, "Output in JSON format (as opposed to pretty-print)")
verbose := flag.Bool("v", false, "Verbose output (includes public keys)")
ver := flag.Bool("version", false, "Prints the version of this build")
flag.Parse()
cmdLineEnv.args = flag.Args()
cmdLineEnv.server = *server
cmdLineEnv.injson = *injson
cmdLineEnv.verbose = *verbose
cmdLineEnv.ver = *ver
}
func (cmdLineEnv *CmdLineEnv)setEndpoint(logger *log.Logger) {
if cmdLineEnv.server == cmdLineEnv.endpoint {
if config, err := ioutil.ReadFile(defaults.GetDefaults().DefaultConfigFile); err == nil {
if bytes.Equal(config[0:2], []byte{0xFF, 0xFE}) ||
bytes.Equal(config[0:2], []byte{0xFE, 0xFF}) {
utf := unicode.UTF16(unicode.BigEndian, unicode.UseBOM)
decoder := utf.NewDecoder()
config, err = decoder.Bytes(config)
if err != nil {
panic(err)
}
}
var dat map[string]interface{}
if err := hjson.Unmarshal(config, &dat); err != nil {
panic(err)
}
if ep, ok := dat["AdminListen"].(string); ok && (ep != "none" && ep != "") {
cmdLineEnv.endpoint = ep
logger.Println("Found platform default config file", defaults.GetDefaults().DefaultConfigFile)
logger.Println("Using endpoint", cmdLineEnv.endpoint, "from AdminListen")
} else {
logger.Println("Configuration file doesn't contain appropriate AdminListen option")
logger.Println("Falling back to platform default", defaults.GetDefaults().DefaultAdminListen)
}
} else {
logger.Println("Can't open config file from default location", defaults.GetDefaults().DefaultConfigFile)
logger.Println("Falling back to platform default", defaults.GetDefaults().DefaultAdminListen)
}
} else {
cmdLineEnv.endpoint = cmdLineEnv.server
logger.Println("Using endpoint", cmdLineEnv.endpoint, "from command line")
}
}
func connect(endpoint string, logger *log.Logger) net.Conn {
var conn net.Conn