56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
|
/*
|
||
|
Copyright 2014 SAP SE
|
||
|
|
||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
you may not use this file except in compliance with the License.
|
||
|
You may obtain a copy of the License at
|
||
|
|
||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
||
|
Unless required by applicable law or agreed to in writing, software
|
||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
See the License for the specific language governing permissions and
|
||
|
limitations under the License.
|
||
|
*/
|
||
|
|
||
|
package protocol
|
||
|
|
||
|
import (
|
||
|
"os"
|
||
|
"strconv"
|
||
|
"strings"
|
||
|
|
||
|
"github.com/SAP/go-hdb/internal/bufio"
|
||
|
)
|
||
|
|
||
|
type clientID []byte
|
||
|
|
||
|
func newClientID() clientID {
|
||
|
if h, err := os.Hostname(); err == nil {
|
||
|
return clientID(strings.Join([]string{strconv.Itoa(os.Getpid()), h}, "@"))
|
||
|
}
|
||
|
return clientID(strconv.Itoa(os.Getpid()))
|
||
|
}
|
||
|
|
||
|
func (id clientID) kind() partKind {
|
||
|
return partKind(pkClientID)
|
||
|
}
|
||
|
|
||
|
func (id clientID) size() (int, error) {
|
||
|
return len(id), nil
|
||
|
}
|
||
|
|
||
|
func (id clientID) numArg() int {
|
||
|
return 1
|
||
|
}
|
||
|
|
||
|
func (id clientID) write(wr *bufio.Writer) error {
|
||
|
wr.Write(id)
|
||
|
|
||
|
if trace {
|
||
|
outLogger.Printf("client id: %s", id)
|
||
|
}
|
||
|
return nil
|
||
|
}
|