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resp config

This commit is contained in:
Josh Baker 2016-03-29 05:53:53 -07:00
parent a47377ae49
commit 4e2bbf1c33
5 changed files with 180 additions and 78 deletions
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101
controller/config.go
View File

@ -1,15 +1,19 @@
package controller
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"strings"
"time"
"github.com/tidwall/resp"
"github.com/tidwall/tile38/controller/server"
)
var validProperties = []string{"requirepass", "leaderauth", "protected-mode"}
// Config is a tile38 config
type Config struct {
FollowHost string `json:"follow_host,omitempty"`
@ -82,6 +86,16 @@ func (c *Controller) setConfigProperty(name, value string, fromLoad bool) error
return nil
}
func (c *Controller) getConfigProperties(pattern string) map[string]interface{} {
m := make(map[string]interface{})
for _, name := range validProperties {
matched, _ := globMatch(pattern, name)
if matched {
m[name] = c.getConfigProperty(name)
}
}
return m
}
func (c *Controller) getConfigProperty(name string) string {
switch name {
default:
@ -127,36 +141,63 @@ func (c *Controller) writeConfig(writeProperties bool) error {
return nil
}
func (c *Controller) cmdConfig(line string) (string, error) {
var start = time.Now()
var cmd, name, value string
if line, cmd = token(line); cmd == "" {
func (c *Controller) cmdConfigGet(msg *server.Message) (res string, err error) {
start := time.Now()
vs := msg.Values[1:]
var ok bool
var name string
if vs, name, ok = tokenval(vs); !ok {
return "", errInvalidNumberOfArguments
}
var buf bytes.Buffer
buf.WriteString(`{"ok":true`)
switch strings.ToLower(cmd) {
default:
return "", errInvalidArgument(cmd)
case "get":
if line, name = token(line); name == "" || line != "" {
return "", errInvalidNumberOfArguments
}
value = c.getConfigProperty(name)
buf.WriteString(`,"value":` + jsonString(value))
case "set":
if line, name = token(line); name == "" {
return "", errInvalidNumberOfArguments
}
value = strings.TrimSpace(line)
if err := c.setConfigProperty(name, value, false); err != nil {
return "", err
}
case "rewrite":
if err := c.writeConfig(true); err != nil {
return "", err
}
if len(vs) != 0 {
return "", errInvalidNumberOfArguments
}
buf.WriteString(`,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
return buf.String(), nil
m := c.getConfigProperties(name)
switch msg.OutputType {
case server.JSON:
data, err := json.Marshal(m)
if err != nil {
return "", err
}
res = `{"ok":true,"properties":` + string(data) + `,"elapsed":"` + time.Now().Sub(start).String() + "\"}"
case server.RESP:
vals := respValuesSimpleMap(m)
data, err := resp.ArrayValue(vals).MarshalRESP()
if err != nil {
return "", err
}
res = string(data)
}
return
}
func (c *Controller) cmdConfigSet(msg *server.Message) (res string, err error) {
start := time.Now()
vs := msg.Values[1:]
var ok bool
var name string
if vs, name, ok = tokenval(vs); !ok {
return "", errInvalidNumberOfArguments
}
var value string
if vs, value, ok = tokenval(vs); !ok {
return "", errInvalidNumberOfArguments
}
if len(vs) != 0 {
return "", errInvalidNumberOfArguments
}
if err := c.setConfigProperty(name, value, false); err != nil {
return "", err
}
return server.OKMessage(msg, start), nil
}
func (c *Controller) cmdConfigRewrite(msg *server.Message) (res string, err error) {
start := time.Now()
vs := msg.Values[1:]
if len(vs) != 0 {
return "", errInvalidNumberOfArguments
}
if err := c.writeConfig(true); err != nil {
return "", err
}
return server.OKMessage(msg, start), nil
}

66
controller/controller.go
View File

@ -169,13 +169,26 @@ func (c *Controller) handleInputCommand(conn *server.Conn, msg *server.Message,
for _, v := range msg.Values {
words = append(words, v.String())
}
start := time.Now()
writeOutput := func(res string) error {
switch msg.ConnType {
default:
panic(fmt.Sprintf("unsupported conn type: %v", msg.ConnType))
err := fmt.Errorf("unsupported conn type: %v", msg.ConnType)
log.Error(err)
return err
case server.WebSocket:
return server.WriteWebSocketMessage(w, []byte(res))
case server.HTTP:
_, err := fmt.Fprintf(w, "HTTP/1.1 200 OK\r\n"+
"Connection: close\r\n"+
"Content-Length: %d\r\n"+
"Content-Type: application/json charset=utf-8\r\n"+
"\r\n", len(res)+2)
if err != nil {
return err
}
_, err = io.WriteString(w, res+"\r\n")
return err
case server.RESP:
_, err := io.WriteString(w, res)
return err
@ -184,7 +197,6 @@ func (c *Controller) handleInputCommand(conn *server.Conn, msg *server.Message,
return err
}
}
// Ping. Just send back the response. No need to put through the pipeline.
if msg.Command == "ping" {
switch msg.OutputType {
@ -314,22 +326,9 @@ func (c *Controller) reset() {
}
func (c *Controller) command(msg *server.Message, w io.Writer) (res string, d commandDetailsT, err error) {
start := time.Now()
okResp := func() string {
if w != nil {
switch msg.OutputType {
case server.JSON:
return `{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}"
case server.RESP:
return "+OK\r\n"
}
}
return ""
}
switch msg.Command {
default:
err = fmt.Errorf("unknown command '%s'", msg.Values[0])
return
// lock
case "set":
res, d, err = c.cmdSet(msg)
@ -359,11 +358,8 @@ func (c *Controller) command(msg *server.Message, w io.Writer) (res string, d co
// case "follow":
// err = c.cmdFollow(nline)
// resp = okResp()
// case "config":
// resp, err = c.cmdConfig(nline)
// case "readonly":
// err = c.cmdReadOnly(nline)
// resp = okResp()
case "readonly":
res, err = c.cmdReadOnly(msg)
case "stats":
res, err = c.cmdStats(msg)
case "server":
@ -385,12 +381,28 @@ func (c *Controller) command(msg *server.Message, w io.Writer) (res string, d co
// case "aofmd5":
// resp, err = c.cmdAOFMD5(nline)
case "gc":
start := time.Now()
go runtime.GC()
res = okResp()
// resp = okResp()
// case "aofshrink":
// go c.aofshrink()
// resp = okResp()
res = server.OKMessage(msg, start)
// case "aofshrink":
// go c.aofshrink()
// resp = okResp()
case "config get":
res, err = c.cmdConfigGet(msg)
case "config set":
res, err = c.cmdConfigSet(msg)
case "config rewrite":
res, err = c.cmdConfigRewrite(msg)
case "config":
err = fmt.Errorf("unknown command '%s'", msg.Values[0])
if len(msg.Values) > 1 {
command := msg.Values[0].String() + " " + msg.Values[1].String()
msg.Values[1] = resp.StringValue(command)
msg.Values = msg.Values[1:]
msg.Command = strings.ToLower(command)
return c.command(msg, w)
}
}
return
}

48
controller/readonly.go
View File

@ -2,39 +2,47 @@ package controller
import (
"strings"
"time"
"github.com/tidwall/tile38/controller/log"
"github.com/tidwall/tile38/controller/server"
)
func (c *Controller) cmdReadOnly(line string) error {
func (c *Controller) cmdReadOnly(msg *server.Message) (res string, err error) {
start := time.Now()
vs := msg.Values[1:]
var arg string
if line, arg = token(line); arg == "" {
return errInvalidNumberOfArguments
var ok bool
if vs, arg, ok = tokenval(vs); !ok || arg == "" {
return "", errInvalidNumberOfArguments
}
if line != "" {
return errInvalidNumberOfArguments
if len(vs) != 0 {
return "", errInvalidNumberOfArguments
}
update := false
backup := c.config
switch strings.ToLower(arg) {
default:
return errInvalidArgument(arg)
return "", errInvalidArgument(arg)
case "yes":
if c.config.ReadOnly {
return nil
}
c.config.ReadOnly = true
log.Info("read only")
case "no":
if !c.config.ReadOnly {
return nil
update = true
c.config.ReadOnly = true
log.Info("read only")
}
case "no":
if c.config.ReadOnly {
update = true
c.config.ReadOnly = false
log.Info("read write")
}
c.config.ReadOnly = false
log.Info("read write")
}
err := c.writeConfig(false)
if err != nil {
c.config = backup
return err
if update {
err := c.writeConfig(false)
if err != nil {
c.config = backup
return "", err
}
}
return nil
return server.OKMessage(msg, start), nil
}

2
controller/server/anyreader.go
View File

@ -288,7 +288,7 @@ func (ar *AnyReaderWriter) readHTTPMessage() (*Message, error) {
if err != nil {
return nil, err
}
msg.OutputType = nmsg.OutputType
msg.OutputType = JSON
msg.Values = nmsg.Values
msg.Command = commandValues(nmsg.Values)
return msg, nil

41
controller/server/server.go
View File

@ -2,11 +2,13 @@ package server
import (
"bufio"
"encoding/binary"
"errors"
"fmt"
"io"
"net"
"strings"
"time"
//"github.com/tidwall/tile38/client"
@ -123,10 +125,49 @@ func handleConn(
log.Error(err)
return
}
} else {
conn.Write([]byte("HTTP/1.1 500 Bad Request\r\nConnection: close\r\n\r\n"))
return
}
if msg.ConnType == HTTP || msg.ConnType == WebSocket {
return
}
}
}
func WriteWebSocketMessage(w io.Writer, data []byte) error {
var msg []byte
buf := make([]byte, 10+len(data))
buf[0] = 129 // FIN + TEXT
if len(data) <= 125 {
buf[1] = byte(len(data))
copy(buf[2:], data)
msg = buf[:2+len(data)]
} else if len(data) <= 0xFFFF {
buf[1] = 126
binary.BigEndian.PutUint16(buf[2:], uint16(len(data)))
copy(buf[4:], data)
msg = buf[:4+len(data)]
} else {
buf[1] = 127
binary.BigEndian.PutUint64(buf[2:], uint64(len(data)))
copy(buf[10:], data)
msg = buf[:10+len(data)]
}
_, err := w.Write(msg)
return err
}
func OKMessage(msg *Message, start time.Time) string {
switch msg.OutputType {
case JSON:
return `{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}"
case RESP:
return "+OK\r\n"
}
return ""
}
//err := func() error {
// command, proto, auth, err := client.ReadMessage(rd, conn)
// if err != nil {