提交 #1

developtools/integration_verification/tools/fotff/utils/proxy.go

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * 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 utils
+
+import (
+	"fmt"
+	"github.com/sirupsen/logrus"
+	"net/http"
+	"net/url"
+	"strings"
+	"sync"
+	"time"
+)
+
+type ProxyConfig struct {
+	ServerList string `key:"server_list" default:""`
+	User       string `key:"user" default:""`
+	Password   string `key:"password" default:""`
+}
+
+var proxyClient = http.DefaultClient
+var (
+	proxyUser     string
+	proxyPassword string
+	proxyList     []string
+	proxyIndex    int
+	proxyLock     sync.Mutex
+)
+
+func init() {
+	var config ProxyConfig
+	ParseFromConfigFile("proxy", &config)
+	if len(config.ServerList) != 0 {
+		proxyList = strings.Split(config.ServerList, ",")
+	}
+	proxyUser = config.User
+	proxyPassword = config.Password
+	proxyIndex = len(proxyList)
+	SwitchProxy()
+	t := time.NewTicker(6 * time.Hour)
+	go func() {
+		<-t.C
+		proxyLock.Lock()
+		proxyIndex = len(proxyList)
+		proxyLock.Unlock()
+	}()
+}
+
+func SwitchProxy() {
+	if len(proxyList) == 0 {
+		return
+	}
+	proxyLock.Lock()
+	defer proxyLock.Unlock()
+	proxyIndex++
+	if proxyIndex >= len(proxyList) {
+		proxyIndex = 0
+	}
+	var proxyURL *url.URL
+	var err error
+	logrus.Infof("switching proxy to %s", proxyList[proxyIndex])
+	if proxyUser == "" {
+		proxyURL, err = url.Parse(fmt.Sprintf("http://%s", proxyList[proxyIndex]))
+	} else {
+		proxyURL, err = url.Parse(fmt.Sprintf("http://%s:%s@%s", proxyUser, url.QueryEscape(proxyPassword), proxyList[proxyIndex]))
+	}
+	if err != nil {
+		logrus.Errorf("failed to parse proxy url, err: %v", err)
+	}
+	proxyClient = &http.Client{
+		Transport: &http.Transport{
+			Proxy: http.ProxyURL(proxyURL),
+		},
+	}
+}