mirror of
https://github.com/TeaOSLab/EdgeNode.git
synced 2025-11-03 23:20:25 +08:00
267 lines
7.8 KiB
Go
267 lines
7.8 KiB
Go
package rpc
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import (
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"context"
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"crypto/tls"
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"encoding/base64"
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"errors"
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"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
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"github.com/TeaOSLab/EdgeNode/internal/configs"
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teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
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"github.com/TeaOSLab/EdgeNode/internal/encrypt"
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"github.com/TeaOSLab/EdgeNode/internal/utils"
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"github.com/iwind/TeaGo/maps"
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"github.com/iwind/TeaGo/rands"
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"google.golang.org/grpc"
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"google.golang.org/grpc/connectivity"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/grpc/encoding/gzip"
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"google.golang.org/grpc/metadata"
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"net/url"
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"sync"
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"time"
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)
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type RPCClient struct {
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apiConfig *configs.APIConfig
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conns []*grpc.ClientConn
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locker sync.RWMutex
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NodeRPC pb.NodeServiceClient
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NodeLogRPC pb.NodeLogServiceClient
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NodeTaskRPC pb.NodeTaskServiceClient
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NodeValueRPC pb.NodeValueServiceClient
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HTTPAccessLogRPC pb.HTTPAccessLogServiceClient
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HTTPCacheTaskKeyRPC pb.HTTPCacheTaskKeyServiceClient
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APINodeRPC pb.APINodeServiceClient
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IPLibraryArtifactRPC pb.IPLibraryArtifactServiceClient
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IPListRPC pb.IPListServiceClient
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IPItemRPC pb.IPItemServiceClient
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FileRPC pb.FileServiceClient
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FileChunkRPC pb.FileChunkServiceClient
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ACMEAuthenticationRPC pb.ACMEAuthenticationServiceClient
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ServerRPC pb.ServerServiceClient
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ServerDailyStatRPC pb.ServerDailyStatServiceClient
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ServerBandwidthStatRPC pb.ServerBandwidthStatServiceClient
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MetricStatRPC pb.MetricStatServiceClient
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FirewallRPC pb.FirewallServiceClient
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SSLCertRPC pb.SSLCertServiceClient
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ScriptRPC pb.ScriptServiceClient
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}
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func NewRPCClient(apiConfig *configs.APIConfig) (*RPCClient, error) {
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if apiConfig == nil {
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return nil, errors.New("api config should not be nil")
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}
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var client = &RPCClient{
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apiConfig: apiConfig,
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}
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// 初始化RPC实例
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client.NodeRPC = pb.NewNodeServiceClient(client)
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client.NodeLogRPC = pb.NewNodeLogServiceClient(client)
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client.NodeTaskRPC = pb.NewNodeTaskServiceClient(client)
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client.NodeValueRPC = pb.NewNodeValueServiceClient(client)
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client.HTTPAccessLogRPC = pb.NewHTTPAccessLogServiceClient(client)
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client.HTTPCacheTaskKeyRPC = pb.NewHTTPCacheTaskKeyServiceClient(client)
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client.APINodeRPC = pb.NewAPINodeServiceClient(client)
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client.IPLibraryArtifactRPC = pb.NewIPLibraryArtifactServiceClient(client)
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client.IPListRPC = pb.NewIPListServiceClient(client)
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client.IPItemRPC = pb.NewIPItemServiceClient(client)
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client.FileRPC = pb.NewFileServiceClient(client)
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client.FileChunkRPC = pb.NewFileChunkServiceClient(client)
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client.ACMEAuthenticationRPC = pb.NewACMEAuthenticationServiceClient(client)
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client.ServerRPC = pb.NewServerServiceClient(client)
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client.ServerDailyStatRPC = pb.NewServerDailyStatServiceClient(client)
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client.ServerBandwidthStatRPC = pb.NewServerBandwidthStatServiceClient(client)
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client.MetricStatRPC = pb.NewMetricStatServiceClient(client)
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client.FirewallRPC = pb.NewFirewallServiceClient(client)
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client.SSLCertRPC = pb.NewSSLCertServiceClient(client)
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client.ScriptRPC = pb.NewScriptServiceClient(client)
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err := client.init()
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if err != nil {
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return nil, err
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}
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return client, nil
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}
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// Context 节点上下文信息
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func (this *RPCClient) Context() context.Context {
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var ctx = context.Background()
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var m = maps.Map{
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"timestamp": time.Now().Unix(),
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"type": "node",
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"userId": 0,
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}
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method, err := encrypt.NewMethodInstance(teaconst.EncryptMethod, this.apiConfig.Secret, this.apiConfig.NodeId)
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if err != nil {
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utils.PrintError(err)
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return context.Background()
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}
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data, err := method.Encrypt(m.AsJSON())
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if err != nil {
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utils.PrintError(err)
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return context.Background()
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}
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var token = base64.StdEncoding.EncodeToString(data)
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ctx = metadata.AppendToOutgoingContext(ctx, "nodeId", this.apiConfig.NodeId, "token", token)
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return ctx
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}
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// ClusterContext 集群上下文
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func (this *RPCClient) ClusterContext(clusterId string, clusterSecret string) context.Context {
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ctx := context.Background()
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m := maps.Map{
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"timestamp": time.Now().Unix(),
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"type": "cluster",
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"userId": 0,
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}
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method, err := encrypt.NewMethodInstance(teaconst.EncryptMethod, clusterSecret, clusterId)
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if err != nil {
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utils.PrintError(err)
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return context.Background()
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}
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data, err := method.Encrypt(m.AsJSON())
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if err != nil {
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utils.PrintError(err)
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return context.Background()
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}
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token := base64.StdEncoding.EncodeToString(data)
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ctx = metadata.AppendToOutgoingContext(ctx, "nodeId", clusterId, "token", token)
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return ctx
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}
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// Close 关闭连接
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func (this *RPCClient) Close() {
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this.locker.Lock()
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for _, conn := range this.conns {
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_ = conn.Close()
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}
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this.locker.Unlock()
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}
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// UpdateConfig 修改配置
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func (this *RPCClient) UpdateConfig(config *configs.APIConfig) error {
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this.apiConfig = config
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this.locker.Lock()
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err := this.init()
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this.locker.Unlock()
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return err
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}
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// 初始化
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func (this *RPCClient) init() error {
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// 重新连接
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var conns = []*grpc.ClientConn{}
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for _, endpoint := range this.apiConfig.RPC.Endpoints {
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u, err := url.Parse(endpoint)
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if err != nil {
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return errors.New("parse endpoint failed: " + err.Error())
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}
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var conn *grpc.ClientConn
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var callOptions = grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(128*1024*1024),
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grpc.UseCompressor(gzip.Name))
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if u.Scheme == "http" {
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conn, err = grpc.Dial(u.Host, grpc.WithTransportCredentials(insecure.NewCredentials()))
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} else if u.Scheme == "https" {
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conn, err = grpc.Dial(u.Host, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
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InsecureSkipVerify: true,
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})), callOptions)
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} else {
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return errors.New("parse endpoint failed: invalid scheme '" + u.Scheme + "'")
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}
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if err != nil {
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return err
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}
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conns = append(conns, conn)
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}
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if len(conns) == 0 {
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return errors.New("[RPC]no available endpoints")
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}
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// 这里不需要加锁，防止和pickConn()冲突
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this.conns = conns
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return nil
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}
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// 随机选择一个连接
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func (this *RPCClient) pickConn() *grpc.ClientConn {
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this.locker.Lock()
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defer this.locker.Unlock()
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// 检查连接状态
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if len(this.conns) > 0 {
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var availableConns = []*grpc.ClientConn{}
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for _, stateArray := range [][2]connectivity.State{
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{connectivity.Ready, connectivity.Idle}, // 优先Ready和Idle
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{connectivity.Connecting, connectivity.Connecting},
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} {
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for _, conn := range this.conns {
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var state = conn.GetState()
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if state == stateArray[0] || state == stateArray[1] {
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availableConns = append(availableConns, conn)
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}
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}
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if len(availableConns) > 0 {
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return this.randConn(availableConns)
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}
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}
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if len(availableConns) > 0 {
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return this.randConn(availableConns)
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}
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// 关闭
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for _, conn := range this.conns {
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_ = conn.Close()
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}
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}
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// 重新初始化
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err := this.init()
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if err != nil {
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// 错误提示已经在构造对象时打印过，所以这里不再重复打印
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return nil
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}
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if len(this.conns) == 0 {
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return nil
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}
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return this.randConn(this.conns)
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}
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func (this *RPCClient) Invoke(ctx context.Context, method string, args interface{}, reply interface{}, opts ...grpc.CallOption) error {
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var conn = this.pickConn()
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if conn == nil {
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return errors.New("can not get available grpc connection")
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}
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return conn.Invoke(ctx, method, args, reply, opts...)
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}
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func (this *RPCClient) NewStream(ctx context.Context, desc *grpc.StreamDesc, method string, opts ...grpc.CallOption) (grpc.ClientStream, error) {
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var conn = this.pickConn()
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if conn == nil {
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return nil, errors.New("can not get available grpc connection")
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}
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return conn.NewStream(ctx, desc, method, opts...)
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}
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func (this *RPCClient) randConn(conns []*grpc.ClientConn) *grpc.ClientConn {
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var l = len(conns)
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if l == 0 {
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return nil
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}
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if l == 1 {
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return conns[0]
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}
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return conns[rands.Int(0, l-1)]
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}
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