mirror of https://github.com/ledisdb/ledisdb.git
98 lines
1.6 KiB
Go
98 lines
1.6 KiB
Go
package server
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/siddontang/ledisdb/ledis"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
type CommandFunc func(c *client) error
|
|
|
|
var regCmds = map[string]CommandFunc{}
|
|
|
|
func register(name string, f CommandFunc) {
|
|
if _, ok := regCmds[strings.ToLower(name)]; ok {
|
|
panic(fmt.Sprintf("%s has been registered", name))
|
|
}
|
|
|
|
regCmds[name] = f
|
|
}
|
|
|
|
func pingCommand(c *client) error {
|
|
c.resp.writeStatus(PONG)
|
|
return nil
|
|
}
|
|
|
|
func echoCommand(c *client) error {
|
|
if len(c.args) != 1 {
|
|
return ErrCmdParams
|
|
}
|
|
|
|
c.resp.writeBulk(c.args[0])
|
|
return nil
|
|
}
|
|
|
|
func selectCommand(c *client) error {
|
|
if len(c.args) != 1 {
|
|
return ErrCmdParams
|
|
}
|
|
|
|
if index, err := strconv.Atoi(ledis.String(c.args[0])); err != nil {
|
|
return err
|
|
} else {
|
|
if db, err := c.ldb.Select(index); err != nil {
|
|
return err
|
|
} else {
|
|
c.db = db
|
|
c.resp.writeStatus(OK)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func infoCommand(c *client) error {
|
|
if len(c.args) > 1 {
|
|
return ErrSyntax
|
|
}
|
|
var section string
|
|
if len(c.args) == 1 {
|
|
section = strings.ToLower(ledis.String(c.args[0]))
|
|
}
|
|
|
|
buf := c.app.info.Dump(section)
|
|
c.resp.writeBulk(buf)
|
|
|
|
return nil
|
|
}
|
|
|
|
func flushallCommand(c *client) error {
|
|
err := c.ldb.FlushAll()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
c.resp.writeStatus(OK)
|
|
return nil
|
|
}
|
|
|
|
func flushdbCommand(c *client) error {
|
|
_, err := c.db.FlushAll()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
c.resp.writeStatus(OK)
|
|
return nil
|
|
}
|
|
|
|
func init() {
|
|
register("ping", pingCommand)
|
|
register("echo", echoCommand)
|
|
register("select", selectCommand)
|
|
register("info", infoCommand)
|
|
register("flushall", flushallCommand)
|
|
register("flushdb", flushdbCommand)
|
|
}
|