节点配置支持压缩

internal/nodes/node.go

@@ -1,6 +1,7 @@
 package nodes
 
 import (
+	"bytes"
 	"encoding/json"
 	"errors"
 	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
@@ -16,6 +17,7 @@ import (
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/stats"
 	"github.com/TeaOSLab/EdgeNode/internal/utils"
+	"github.com/andybalholm/brotli"
 	"github.com/go-yaml/yaml"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/lists"
@@ -89,14 +91,14 @@ func (this *Node) Start() {
 	}
 
 	// 读取API配置
-	err = this.syncConfig()
+	err = this.syncConfig(0)
 	if err != nil {
 		_, err := nodeconfigs.SharedNodeConfig()
 		if err != nil {
 			// 无本地数据时，会尝试多次读取
 			tryTimes := 0
 			for {
-				err := this.syncConfig()
+				err := this.syncConfig(0)
 				if err != nil {
 					tryTimes++
 
@@ -261,7 +263,11 @@ func (this *Node) loop() error {
 				return err
 			}
 		case "configChanged":
-			err := this.syncConfig()
+			if !task.IsPrimary {
+				// 我们等等主节点配置准备完毕
+				time.Sleep(2 * time.Second)
+			}
+			err := this.syncConfig(task.Version)
 			if err != nil {
 				_, err = rpcClient.NodeTaskRPC().ReportNodeTaskDone(nodeCtx, &pb.ReportNodeTaskDoneRequest{
 					NodeTaskId: task.Id,
@@ -287,7 +293,7 @@ func (this *Node) loop() error {
 }
 
 // 读取API配置
-func (this *Node) syncConfig() error {
+func (this *Node) syncConfig(taskVersion int64) error {
 	this.locker.Lock()
 	defer this.locker.Unlock()
 
@@ -318,7 +324,9 @@ func (this *Node) syncConfig() error {
 
 	// TODO 这里考虑只同步版本号有变更的
 	configResp, err := rpcClient.NodeRPC().FindCurrentNodeConfig(nodeCtx, &pb.FindCurrentNodeConfigRequest{
-		Version: -1, // 更新所有版本
+		Version:         -1, // 更新所有版本
+		Compress:        true,
+		NodeTaskVersion: taskVersion,
 	})
 	if err != nil {
 		return errors.New("read config from rpc failed: " + err.Error())
@@ -326,9 +334,26 @@ func (this *Node) syncConfig() error {
 	if !configResp.IsChanged {
 		return nil
 	}
-	nodeConfigUpdatedAt = time.Now().Unix()
 
 	configJSON := configResp.NodeJSON
+	if configResp.IsCompressed {
+		var reader = brotli.NewReader(bytes.NewReader(configJSON))
+		var configBuf = &bytes.Buffer{}
+		var buf = make([]byte, 32*1024)
+		for {
+			n, err := reader.Read(buf)
+			if n > 0 {
+				configBuf.Write(buf[:n])
+			}
+			if err != nil {
+				break
+			}
+		}
+		configJSON = configBuf.Bytes()
+	}
+
+	nodeConfigUpdatedAt = time.Now().Unix()
+
 	nodeConfig := &nodeconfigs.NodeConfig{}
 	err = json.Unmarshal(configJSON, nodeConfig)
 	if err != nil {
@@ -411,7 +436,7 @@ func (this *Node) startSyncTimer() {
 					continue
 				}
 			case <-nodeConfigChangedNotify:
-				err := this.syncConfig()
+				err := this.syncConfig(0)
 				if err != nil {
 					remotelogs.Error("NODE", "sync config error: "+err.Error())
 					continue