mirror of https://github.com/tidwall/tile38.git
503 lines
11 KiB
Go
503 lines
11 KiB
Go
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
"sort"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/peterh/liner"
|
|
"github.com/tidwall/resp"
|
|
"github.com/tidwall/tile38/client"
|
|
"github.com/tidwall/tile38/core"
|
|
)
|
|
|
|
func userHomeDir() string {
|
|
if runtime.GOOS == "windows" {
|
|
home := os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
|
|
if home == "" {
|
|
home = os.Getenv("USERPROFILE")
|
|
}
|
|
return home
|
|
}
|
|
return os.Getenv("HOME")
|
|
}
|
|
|
|
var (
|
|
historyFile = filepath.Join(userHomeDir(), ".liner_example_history")
|
|
)
|
|
|
|
type connError struct {
|
|
OK bool `json:"ok"`
|
|
Err string `json:"err"`
|
|
}
|
|
|
|
var (
|
|
hostname = "127.0.0.1"
|
|
output = "json"
|
|
port = 9851
|
|
oneCommand string
|
|
tokml bool
|
|
raw bool
|
|
noprompt bool
|
|
tty bool
|
|
)
|
|
|
|
func showHelp() bool {
|
|
|
|
gitsha := ""
|
|
if core.GitSHA == "" || core.GitSHA == "0000000" {
|
|
gitsha = ""
|
|
} else {
|
|
gitsha = " (git:" + core.GitSHA + ")"
|
|
}
|
|
fmt.Fprintf(os.Stdout, "tile38-cli %s%s\n\n", core.Version, gitsha)
|
|
fmt.Fprintf(os.Stdout, "Usage: tile38-cli [OPTIONS] [cmd [arg [arg ...]]]\n")
|
|
fmt.Fprintf(os.Stdout, " --raw Use raw formatting for replies (default when STDOUT is not a tty)\n")
|
|
fmt.Fprintf(os.Stdout, " --noprompt Do not display a prompt\n")
|
|
fmt.Fprintf(os.Stdout, " --tty Force TTY\n")
|
|
fmt.Fprintf(os.Stdout, " --resp Use RESP output formatting (default is JSON output)\n")
|
|
fmt.Fprintf(os.Stdout, " -h <hostname> Server hostname (default: %s)\n", hostname)
|
|
fmt.Fprintf(os.Stdout, " -p <port> Server port (default: %d)\n", port)
|
|
fmt.Fprintf(os.Stdout, "\n")
|
|
return false
|
|
}
|
|
|
|
func parseArgs() bool {
|
|
defer func() {
|
|
if v := recover(); v != nil {
|
|
if v, ok := v.(string); ok && v == "bad arg" {
|
|
showHelp()
|
|
}
|
|
}
|
|
}()
|
|
|
|
args := os.Args[1:]
|
|
readArg := func(arg string) string {
|
|
if len(args) == 0 {
|
|
panic("bad arg")
|
|
}
|
|
var narg = args[0]
|
|
args = args[1:]
|
|
return narg
|
|
}
|
|
badArg := func(arg string) bool {
|
|
fmt.Fprintf(os.Stderr, "Unrecognized option or bad number of args for: '%s'\n", arg)
|
|
return false
|
|
}
|
|
|
|
for len(args) > 0 {
|
|
arg := readArg("")
|
|
if arg == "--help" || arg == "-?" {
|
|
return showHelp()
|
|
}
|
|
if !strings.HasPrefix(arg, "-") {
|
|
args = append([]string{arg}, args...)
|
|
break
|
|
}
|
|
switch arg {
|
|
default:
|
|
return badArg(arg)
|
|
case "-kml":
|
|
tokml = true
|
|
case "--raw":
|
|
raw = true
|
|
case "--tty":
|
|
tty = true
|
|
case "--noprompt":
|
|
noprompt = true
|
|
case "--resp":
|
|
output = "resp"
|
|
case "-h":
|
|
hostname = readArg(arg)
|
|
case "-p":
|
|
n, err := strconv.ParseUint(readArg(arg), 10, 16)
|
|
if err != nil {
|
|
return badArg(arg)
|
|
}
|
|
port = int(n)
|
|
}
|
|
}
|
|
oneCommand = strings.Join(args, " ")
|
|
return true
|
|
}
|
|
|
|
func refusedErrorString(addr string) string {
|
|
return fmt.Sprintf("Could not connect to Tile38 at %s: Connection refused", addr)
|
|
}
|
|
|
|
var groupsM = make(map[string][]string)
|
|
|
|
func main() {
|
|
if !parseArgs() {
|
|
return
|
|
}
|
|
|
|
if !raw && !tty {
|
|
fi, err := os.Stdout.Stat()
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err.Error())
|
|
return
|
|
}
|
|
raw = (fi.Mode() & os.ModeCharDevice) == 0
|
|
}
|
|
if len(oneCommand) > 0 && (oneCommand[0] == 'h' || oneCommand[0] == 'H') && strings.Split(strings.ToLower(oneCommand), " ")[0] == "help" {
|
|
showHelp()
|
|
return
|
|
}
|
|
|
|
addr := fmt.Sprintf("%s:%d", hostname, port)
|
|
conn, err := client.Dial(addr)
|
|
if err != nil {
|
|
if _, ok := err.(net.Error); ok {
|
|
fmt.Fprintln(os.Stderr, refusedErrorString(addr))
|
|
} else {
|
|
fmt.Fprintln(os.Stderr, err.Error())
|
|
}
|
|
return
|
|
}
|
|
defer conn.Close()
|
|
livemode := false
|
|
aof := false
|
|
defer func() {
|
|
if livemode {
|
|
var err error
|
|
if aof {
|
|
_, err = io.Copy(os.Stdout, conn.Reader())
|
|
fmt.Fprintln(os.Stderr, "")
|
|
} else {
|
|
var msg []byte
|
|
for {
|
|
msg, err = conn.ReadMessage()
|
|
if err != nil {
|
|
break
|
|
}
|
|
fmt.Fprintln(os.Stderr, string(msg))
|
|
}
|
|
}
|
|
if err != nil && err != io.EOF {
|
|
fmt.Fprintln(os.Stderr, err.Error())
|
|
}
|
|
}
|
|
}()
|
|
|
|
line := liner.NewLiner()
|
|
defer line.Close()
|
|
|
|
var commands []string
|
|
for name, command := range core.Commands {
|
|
commands = append(commands, name)
|
|
groupsM[command.Group] = append(groupsM[command.Group], name)
|
|
}
|
|
sort.Strings(commands)
|
|
var groups []string
|
|
for group, arr := range groupsM {
|
|
groups = append(groups, "@"+group)
|
|
sort.Strings(arr)
|
|
groupsM[group] = arr
|
|
}
|
|
sort.Strings(groups)
|
|
|
|
line.SetMultiLineMode(false)
|
|
line.SetCtrlCAborts(true)
|
|
if !(noprompt && tty) {
|
|
line.SetCompleter(func(line string) (c []string) {
|
|
if strings.HasPrefix(strings.ToLower(line), "help ") {
|
|
var nitems []string
|
|
nline := strings.TrimSpace(line[5:])
|
|
if nline == "" || nline[0] == '@' {
|
|
for _, n := range groups {
|
|
if strings.HasPrefix(strings.ToLower(n), strings.ToLower(nline)) {
|
|
nitems = append(nitems, line[:len(line)-len(nline)]+strings.ToLower(n))
|
|
}
|
|
}
|
|
} else {
|
|
for _, n := range commands {
|
|
if strings.HasPrefix(strings.ToLower(n), strings.ToLower(nline)) {
|
|
nitems = append(nitems, line[:len(line)-len(nline)]+strings.ToUpper(n))
|
|
}
|
|
}
|
|
}
|
|
for _, n := range nitems {
|
|
if strings.HasPrefix(strings.ToLower(n), strings.ToLower(line)) {
|
|
c = append(c, n)
|
|
}
|
|
}
|
|
} else {
|
|
for _, n := range commands {
|
|
if strings.HasPrefix(strings.ToLower(n), strings.ToLower(line)) {
|
|
c = append(c, n)
|
|
}
|
|
}
|
|
}
|
|
return
|
|
})
|
|
}
|
|
if f, err := os.Open(historyFile); err == nil {
|
|
line.ReadHistory(f)
|
|
f.Close()
|
|
}
|
|
defer func() {
|
|
if f, err := os.Create(historyFile); err != nil {
|
|
fmt.Fprintln(os.Stderr, err.Error())
|
|
} else {
|
|
line.WriteHistory(f)
|
|
f.Close()
|
|
}
|
|
}()
|
|
if output == "resp" {
|
|
_, err := conn.Do("output resp")
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err.Error())
|
|
return
|
|
}
|
|
}
|
|
for {
|
|
var command string
|
|
var err error
|
|
if oneCommand == "" {
|
|
if raw || noprompt {
|
|
command, err = line.Prompt("")
|
|
} else {
|
|
command, err = line.Prompt(addr + "> ")
|
|
}
|
|
|
|
} else {
|
|
command = oneCommand
|
|
}
|
|
if err == nil {
|
|
nohist := strings.HasPrefix(command, " ")
|
|
command = strings.TrimSpace(command)
|
|
if command == "" {
|
|
_, err := conn.Do("pInG")
|
|
if err != nil {
|
|
if err != io.EOF {
|
|
fmt.Fprintln(os.Stderr, err.Error())
|
|
} else {
|
|
fmt.Fprintln(os.Stderr, refusedErrorString(addr))
|
|
}
|
|
return
|
|
}
|
|
} else {
|
|
if !nohist {
|
|
line.AppendHistory(command)
|
|
}
|
|
if (command[0] == 'e' || command[0] == 'E') && strings.ToLower(command) == "exit" {
|
|
return
|
|
}
|
|
if (command[0] == 'q' || command[0] == 'Q') && strings.ToLower(command) == "quit" {
|
|
return
|
|
}
|
|
if (command[0] == 'h' || command[0] == 'H') && (strings.ToLower(command) == "help" || strings.HasPrefix(strings.ToLower(command), "help")) {
|
|
err = help(strings.TrimSpace(command[4:]))
|
|
if err != nil {
|
|
return
|
|
}
|
|
continue
|
|
}
|
|
aof = (command[0] == 'a' || command[0] == 'A') && strings.HasPrefix(strings.ToLower(command), "aof ")
|
|
msg, err := conn.Do(command)
|
|
if err != nil {
|
|
if err != io.EOF {
|
|
fmt.Fprintln(os.Stderr, err.Error())
|
|
} else {
|
|
fmt.Fprintln(os.Stderr, refusedErrorString(addr))
|
|
}
|
|
return
|
|
}
|
|
switch strings.ToLower(command) {
|
|
case "output resp":
|
|
if string(msg) == "+OK\r\n" {
|
|
output = "resp"
|
|
}
|
|
case "output json":
|
|
if strings.HasPrefix(string(msg), `{"ok":true`) {
|
|
output = "json"
|
|
}
|
|
}
|
|
|
|
mustOutput := true
|
|
if oneCommand == "" && !strings.HasPrefix(string(msg), `{"ok":true`) {
|
|
var cerr connError
|
|
if err := json.Unmarshal(msg, &cerr); err == nil {
|
|
fmt.Fprintln(os.Stderr, "(error) "+cerr.Err)
|
|
mustOutput = false
|
|
}
|
|
} else if string(msg) == client.LiveJSON {
|
|
fmt.Fprintln(os.Stderr, string(msg))
|
|
livemode = true
|
|
break // break out of prompt and just feed data to screen
|
|
}
|
|
if mustOutput {
|
|
if tokml {
|
|
msg = convert2kml(msg)
|
|
fmt.Fprintln(os.Stdout, string(msg))
|
|
} else if output == "resp" {
|
|
if !raw {
|
|
msg = convert2termresp(msg)
|
|
}
|
|
fmt.Fprintln(os.Stdout, string(msg))
|
|
} else {
|
|
if raw {
|
|
fmt.Fprintln(os.Stdout, string(msg))
|
|
} else {
|
|
fmt.Fprintln(os.Stdout, string(msg))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if err == liner.ErrPromptAborted {
|
|
return
|
|
} else {
|
|
fmt.Fprintf(os.Stderr, "Error reading line: %s", err.Error())
|
|
}
|
|
if oneCommand != "" {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func convert2termresp(msg []byte) []byte {
|
|
rd := resp.NewReader(bytes.NewBuffer(msg))
|
|
out := ""
|
|
for {
|
|
v, _, err := rd.ReadValue()
|
|
if err != nil {
|
|
break
|
|
}
|
|
out += convert2termrespval(v, 0)
|
|
}
|
|
return []byte(strings.TrimSpace(out))
|
|
}
|
|
|
|
func convert2termrespval(v resp.Value, spaces int) string {
|
|
switch v.Type() {
|
|
default:
|
|
return v.String()
|
|
case resp.BulkString:
|
|
if v.IsNull() {
|
|
return "(nil)"
|
|
}
|
|
return "\"" + v.String() + "\""
|
|
case resp.Integer:
|
|
return "(integer) " + v.String()
|
|
case resp.Error:
|
|
return "(error) " + v.String()
|
|
case resp.Array:
|
|
arr := v.Array()
|
|
if len(arr) == 0 {
|
|
return "(empty list or set)"
|
|
}
|
|
out := ""
|
|
nspaces := spaces + numlen(len(arr))
|
|
for i, v := range arr {
|
|
if i > 0 {
|
|
out += strings.Repeat(" ", spaces)
|
|
}
|
|
iout := strings.TrimSpace(convert2termrespval(v, nspaces+2))
|
|
out += fmt.Sprintf("%d) %s\n", i+1, iout)
|
|
}
|
|
return out
|
|
}
|
|
}
|
|
|
|
func numlen(n int) int {
|
|
l := 1
|
|
if n < 0 {
|
|
l++
|
|
n = n * -1
|
|
}
|
|
for i := 0; i < 1000; i++ {
|
|
if n < 10 {
|
|
break
|
|
}
|
|
l++
|
|
n = n / 10
|
|
}
|
|
return l
|
|
}
|
|
|
|
func convert2kml(msg []byte) []byte {
|
|
k := NewKML()
|
|
var m map[string]interface{}
|
|
if err := json.Unmarshal(msg, &m); err == nil {
|
|
if v, ok := m["points"].([]interface{}); ok {
|
|
for _, v := range v {
|
|
if v, ok := v.(map[string]interface{}); ok {
|
|
if v, ok := v["point"].(map[string]interface{}); ok {
|
|
var name string
|
|
var lat, lon float64
|
|
if v, ok := v["id"].(string); ok {
|
|
name = v
|
|
}
|
|
if v, ok := v["lat"].(float64); ok {
|
|
lat = v
|
|
}
|
|
if v, ok := v["lon"].(float64); ok {
|
|
lon = v
|
|
}
|
|
k.AddPoint(name, lat, lon)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return k.Bytes()
|
|
}
|
|
return []byte(`{"ok":false,"err":"results must contain points"}`)
|
|
}
|
|
|
|
func help(arg string) error {
|
|
var groupsA []string
|
|
for group := range groupsM {
|
|
groupsA = append(groupsA, "@"+group)
|
|
}
|
|
groups := "Groups: " + strings.Join(groupsA, ", ") + "\n"
|
|
|
|
if arg == "" {
|
|
fmt.Fprintf(os.Stderr, "tile38-cli %s (git:%s)\n", core.Version, core.GitSHA)
|
|
fmt.Fprintf(os.Stderr, `Type: "help @<group>" to get a list of commands in <group>`+"\n")
|
|
fmt.Fprintf(os.Stderr, ` "help <command>" for help on <command>`+"\n")
|
|
if !(noprompt && tty) {
|
|
fmt.Fprintf(os.Stderr, ` "help <tab>" to get a list of possible help topics`+"\n")
|
|
}
|
|
fmt.Fprintf(os.Stderr, ` "quit" to exit`+"\n")
|
|
if noprompt && tty {
|
|
fmt.Fprintf(os.Stderr, groups)
|
|
}
|
|
return nil
|
|
}
|
|
showGroups := false
|
|
found := false
|
|
if strings.HasPrefix(arg, "@") {
|
|
for _, command := range groupsM[arg[1:]] {
|
|
fmt.Fprintf(os.Stderr, "%s\n", core.Commands[command].TermOutput(" "))
|
|
found = true
|
|
}
|
|
if !found {
|
|
showGroups = true
|
|
}
|
|
} else {
|
|
if command, ok := core.Commands[strings.ToUpper(arg)]; ok {
|
|
fmt.Fprintf(os.Stderr, "%s\n", command.TermOutput(" "))
|
|
found = true
|
|
}
|
|
}
|
|
if showGroups {
|
|
if noprompt && tty {
|
|
fmt.Fprintf(os.Stderr, groups)
|
|
}
|
|
} else if !found {
|
|
if noprompt && tty {
|
|
help("")
|
|
}
|
|
}
|
|
return nil
|
|
}
|