/
handle-delete.go
63 lines (54 loc) · 1.74 KB
/
handle-delete.go
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/* Copyright 2020 Multi-Tier-Cloud Development Team
*
* 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 main
import (
"context"
"fmt"
"io/ioutil"
"log"
"strings"
"github.com/libp2p/go-libp2p-core/network"
"go.etcd.io/etcd/clientv3"
)
func handleDelete(etcdCli *clientv3.Client) func(network.Stream) {
return func(stream network.Stream) {
data, err := ioutil.ReadAll(stream)
if err != nil {
streamError(stream, err)
return
}
reqStr := strings.TrimSpace(string(data))
log.Println("Delete request:", reqStr)
ctx := context.Background()
deleteResp, err := etcdCli.Delete(ctx, reqStr)
if err != nil {
streamError(stream, err)
return
}
var respStr string
if deleteResp.Deleted != 0 {
respStr = fmt.Sprintf("Deleted %d entry from hash lookup", deleteResp.Deleted)
} else {
respStr = "Error: Failed to delete any entries from hash lookup"
}
log.Println("Delete response: ", respStr)
_, err = stream.Write([]byte(respStr))
if err != nil {
streamError(stream, err)
return
}
stream.Close()
}
}