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kvstore.go
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kvstore.go
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package main
import (
"log"
"net"
"time"
)
type NullWriter int
func (NullWriter) Write([]byte) (int, error) {
return 0, nil
}
type value struct {
data string
numbytes int
version uint64
expiry int64
}
type command struct {
action int // 0=set, 1=get, 2=getm, 3=cas, 4=delete, [5=cleanup]-hidden
key string
expiry int64
version uint64
numbytes int
noreply bool
data string
resp chan string
}
func main() {
// Listen on TCP port 9000 on all interfaces.
log.SetOutput(new(NullWriter))
var l net.Listener
var err error
for {
l, err = net.Listen("tcp", ":9000")
if err != nil {
log.Println(err)
time.Sleep(time.Second)
} else {
break
}
}
defer l.Close()
ch := make(chan *command, 10000)
go mapman(ch)
for {
// Wait for a connection.
conn, err2 := l.Accept()
if err2 != nil {
log.Println(err)
continue
}
// Handle the connection in a new goroutine.
// The loop then returns to accepting, so that
// multiple connections may be served concurrently.
go handleConn(conn, ch)
}
}