open-consul/vendor/github.com/SAP/go-hdb/internal/protocol/connectoptions.go

110 lines
2.2 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 (
"fmt"
"github.com/SAP/go-hdb/internal/bufio"
)
// data format version
const (
dfvBaseline intType = 1
dfvDoNotUse intType = 3
dfvSPS06 intType = 4 //see docu
dfvBINTEXT intType = 6
)
// client distribution mode
const (
cdmOff intType = 0
cdmConnection = 1
cdmStatement = 2
cdmConnectionStatement = 3
)
// distribution protocol version
const (
dpvBaseline = 0
dpvClientHandlesStatementSequence = 1
)
type connectOptions struct {
po plainOptions
_numArg int
}
func newConnectOptions() *connectOptions {
return &connectOptions{
po: plainOptions{},
}
}
func (o *connectOptions) String() string {
m := make(map[connectOption]interface{})
for k, v := range o.po {
m[connectOption(k)] = v
}
return fmt.Sprintf("%s", m)
}
func (o *connectOptions) kind() partKind {
return pkConnectOptions
}
func (o *connectOptions) size() (int, error) {
return o.po.size(), nil
}
func (o *connectOptions) numArg() int {
return len(o.po)
}
func (o *connectOptions) setNumArg(numArg int) {
o._numArg = numArg
}
func (o *connectOptions) set(k connectOption, v interface{}) {
o.po[int8(k)] = v
}
func (o *connectOptions) get(k connectOption) (interface{}, bool) {
v, ok := o.po[int8(k)]
return v, ok
}
func (o *connectOptions) read(rd *bufio.Reader) error {
o.po.read(rd, o._numArg)
if trace {
outLogger.Printf("connect options: %v", o)
}
return rd.GetError()
}
func (o *connectOptions) write(wr *bufio.Writer) error {
o.po.write(wr)
if trace {
outLogger.Printf("connect options: %v", o)
}
return nil
}