57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
// Copyright 2022 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package util
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import (
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"net"
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"net/url"
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"strings"
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"github.com/pingcap/errors"
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)
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// ParseHostPortAddr returns a scheme://host:port or host:port list
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func ParseHostPortAddr(s string) ([]string, error) {
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strs := strings.Split(s, ",")
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addrs := make([]string, 0, len(strs))
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for _, str := range strs {
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str = strings.TrimSpace(str)
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// str may looks like 127.0.0.1:8000
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if _, _, err := net.SplitHostPort(str); err == nil {
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addrs = append(addrs, str)
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continue
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}
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u, err := url.Parse(str)
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if err != nil {
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return nil, errors.Errorf("parse url %s failed %v", str, err)
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}
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if u.Scheme != "http" && u.Scheme != "https" && u.Scheme != "unix" && u.Scheme != "unixs" {
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return nil, errors.Errorf("URL scheme must be http, https, unix, or unixs: %s", str)
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}
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if _, _, err := net.SplitHostPort(u.Host); err != nil {
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return nil, errors.Errorf(`URL address does not have the form "host:port": %s`, str)
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}
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if u.Path != "" {
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return nil, errors.Errorf("URL must not contain a path: %s", str)
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}
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addrs = append(addrs, u.String())
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}
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return addrs, nil
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}
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