mirror of https://github.com/ledisdb/ledisdb.git
123 lines
1.9 KiB
Go
123 lines
1.9 KiB
Go
package server
|
|
|
|
import (
|
|
"github.com/siddontang/go/hack"
|
|
"github.com/siddontang/go/num"
|
|
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
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(hack.String(c.args[0])); err != nil {
|
|
return err
|
|
} else {
|
|
if c.db.IsInMulti() {
|
|
if err := c.script.Select(index); err != nil {
|
|
return err
|
|
} else {
|
|
c.db = c.script.DB
|
|
}
|
|
} 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 ErrCmdParams
|
|
}
|
|
var section string
|
|
if len(c.args) == 1 {
|
|
section = strings.ToLower(hack.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
|
|
}
|
|
|
|
//we will restart the replication from master if possible
|
|
c.app.tryReSlaveof()
|
|
|
|
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 timeCommand(c *client) error {
|
|
if len(c.args) != 0 {
|
|
return ErrCmdParams
|
|
}
|
|
|
|
t := time.Now()
|
|
|
|
//seconds
|
|
s := t.Unix()
|
|
n := t.UnixNano()
|
|
|
|
//micro seconds
|
|
m := (n - s*1e9) / 1e3
|
|
|
|
ay := []interface{}{
|
|
num.FormatInt64ToSlice(s),
|
|
num.FormatInt64ToSlice(m),
|
|
}
|
|
|
|
c.resp.writeArray(ay)
|
|
return nil
|
|
}
|
|
|
|
func init() {
|
|
register("ping", pingCommand)
|
|
register("echo", echoCommand)
|
|
register("select", selectCommand)
|
|
register("info", infoCommand)
|
|
register("flushall", flushallCommand)
|
|
register("flushdb", flushdbCommand)
|
|
register("time", timeCommand)
|
|
}
|