mirror of
https://github.com/TeaOSLab/EdgeNode.git
synced 2025-11-06 10:00:25 +08:00
325 lines
9.3 KiB
Go
325 lines
9.3 KiB
Go
package rpc
|
||
|
||
import (
|
||
"context"
|
||
"crypto/tls"
|
||
"encoding/base64"
|
||
"errors"
|
||
"fmt"
|
||
"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
|
||
"github.com/TeaOSLab/EdgeNode/internal/configs"
|
||
teaconst "github.com/TeaOSLab/EdgeNode/internal/const"
|
||
"github.com/TeaOSLab/EdgeNode/internal/encrypt"
|
||
"github.com/TeaOSLab/EdgeNode/internal/utils"
|
||
"github.com/iwind/TeaGo/maps"
|
||
"github.com/iwind/TeaGo/rands"
|
||
"google.golang.org/grpc"
|
||
"google.golang.org/grpc/connectivity"
|
||
"google.golang.org/grpc/credentials"
|
||
"google.golang.org/grpc/credentials/insecure"
|
||
"google.golang.org/grpc/encoding/gzip"
|
||
"google.golang.org/grpc/metadata"
|
||
"net/url"
|
||
"sync"
|
||
"time"
|
||
)
|
||
|
||
type RPCClient struct {
|
||
apiConfig *configs.APIConfig
|
||
conns []*grpc.ClientConn
|
||
|
||
locker sync.RWMutex
|
||
|
||
NodeRPC pb.NodeServiceClient
|
||
NodeLogRPC pb.NodeLogServiceClient
|
||
NodeTaskRPC pb.NodeTaskServiceClient
|
||
NodeValueRPC pb.NodeValueServiceClient
|
||
HTTPAccessLogRPC pb.HTTPAccessLogServiceClient
|
||
HTTPCacheTaskKeyRPC pb.HTTPCacheTaskKeyServiceClient
|
||
APINodeRPC pb.APINodeServiceClient
|
||
IPLibraryArtifactRPC pb.IPLibraryArtifactServiceClient
|
||
IPListRPC pb.IPListServiceClient
|
||
IPItemRPC pb.IPItemServiceClient
|
||
FileRPC pb.FileServiceClient
|
||
FileChunkRPC pb.FileChunkServiceClient
|
||
ACMEAuthenticationRPC pb.ACMEAuthenticationServiceClient
|
||
ServerRPC pb.ServerServiceClient
|
||
ServerDailyStatRPC pb.ServerDailyStatServiceClient
|
||
ServerBandwidthStatRPC pb.ServerBandwidthStatServiceClient
|
||
MetricStatRPC pb.MetricStatServiceClient
|
||
FirewallRPC pb.FirewallServiceClient
|
||
SSLCertRPC pb.SSLCertServiceClient
|
||
ScriptRPC pb.ScriptServiceClient
|
||
UserRPC pb.UserServiceClient
|
||
ClientAgentIPRPC pb.ClientAgentIPServiceClient
|
||
AuthorityKeyRPC pb.AuthorityKeyServiceClient
|
||
UpdatingServerListRPC pb.UpdatingServerListServiceClient
|
||
}
|
||
|
||
func NewRPCClient(apiConfig *configs.APIConfig) (*RPCClient, error) {
|
||
if apiConfig == nil {
|
||
return nil, errors.New("api config should not be nil")
|
||
}
|
||
|
||
var client = &RPCClient{
|
||
apiConfig: apiConfig,
|
||
}
|
||
|
||
// 初始化RPC实例
|
||
client.NodeRPC = pb.NewNodeServiceClient(client)
|
||
client.NodeLogRPC = pb.NewNodeLogServiceClient(client)
|
||
client.NodeTaskRPC = pb.NewNodeTaskServiceClient(client)
|
||
client.NodeValueRPC = pb.NewNodeValueServiceClient(client)
|
||
client.HTTPAccessLogRPC = pb.NewHTTPAccessLogServiceClient(client)
|
||
client.HTTPCacheTaskKeyRPC = pb.NewHTTPCacheTaskKeyServiceClient(client)
|
||
client.APINodeRPC = pb.NewAPINodeServiceClient(client)
|
||
client.IPLibraryArtifactRPC = pb.NewIPLibraryArtifactServiceClient(client)
|
||
client.IPListRPC = pb.NewIPListServiceClient(client)
|
||
client.IPItemRPC = pb.NewIPItemServiceClient(client)
|
||
client.FileRPC = pb.NewFileServiceClient(client)
|
||
client.FileChunkRPC = pb.NewFileChunkServiceClient(client)
|
||
client.ACMEAuthenticationRPC = pb.NewACMEAuthenticationServiceClient(client)
|
||
client.ServerRPC = pb.NewServerServiceClient(client)
|
||
client.ServerDailyStatRPC = pb.NewServerDailyStatServiceClient(client)
|
||
client.ServerBandwidthStatRPC = pb.NewServerBandwidthStatServiceClient(client)
|
||
client.MetricStatRPC = pb.NewMetricStatServiceClient(client)
|
||
client.FirewallRPC = pb.NewFirewallServiceClient(client)
|
||
client.SSLCertRPC = pb.NewSSLCertServiceClient(client)
|
||
client.ScriptRPC = pb.NewScriptServiceClient(client)
|
||
client.UserRPC = pb.NewUserServiceClient(client)
|
||
client.ClientAgentIPRPC = pb.NewClientAgentIPServiceClient(client)
|
||
client.AuthorityKeyRPC = pb.NewAuthorityKeyServiceClient(client)
|
||
client.UpdatingServerListRPC = pb.NewUpdatingServerListServiceClient(client)
|
||
|
||
err := client.init()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
return client, nil
|
||
}
|
||
|
||
// Context 节点上下文信息
|
||
func (this *RPCClient) Context() context.Context {
|
||
var m = maps.Map{
|
||
"timestamp": time.Now().Unix(),
|
||
"type": "node",
|
||
"userId": 0,
|
||
}
|
||
method, err := encrypt.NewMethodInstance(teaconst.EncryptMethod, this.apiConfig.Secret, this.apiConfig.NodeId)
|
||
if err != nil {
|
||
utils.PrintError(err)
|
||
return context.Background()
|
||
}
|
||
data, err := method.Encrypt(m.AsJSON())
|
||
if err != nil {
|
||
utils.PrintError(err)
|
||
return context.Background()
|
||
}
|
||
var token = base64.StdEncoding.EncodeToString(data)
|
||
|
||
var ctx = context.Background()
|
||
ctx = metadata.AppendToOutgoingContext(ctx, "nodeId", this.apiConfig.NodeId, "token", token)
|
||
return ctx
|
||
}
|
||
|
||
// ClusterContext 集群上下文
|
||
func (this *RPCClient) ClusterContext(clusterId string, clusterSecret string) context.Context {
|
||
ctx := context.Background()
|
||
m := maps.Map{
|
||
"timestamp": time.Now().Unix(),
|
||
"type": "cluster",
|
||
"userId": 0,
|
||
}
|
||
method, err := encrypt.NewMethodInstance(teaconst.EncryptMethod, clusterSecret, clusterId)
|
||
if err != nil {
|
||
utils.PrintError(err)
|
||
return context.Background()
|
||
}
|
||
data, err := method.Encrypt(m.AsJSON())
|
||
if err != nil {
|
||
utils.PrintError(err)
|
||
return context.Background()
|
||
}
|
||
token := base64.StdEncoding.EncodeToString(data)
|
||
ctx = metadata.AppendToOutgoingContext(ctx, "nodeId", clusterId, "token", token)
|
||
return ctx
|
||
}
|
||
|
||
// Close 关闭连接
|
||
func (this *RPCClient) Close() {
|
||
this.locker.Lock()
|
||
|
||
for _, conn := range this.conns {
|
||
_ = conn.Close()
|
||
}
|
||
|
||
this.locker.Unlock()
|
||
}
|
||
|
||
// UpdateConfig 修改配置
|
||
func (this *RPCClient) UpdateConfig(config *configs.APIConfig) error {
|
||
this.apiConfig = config
|
||
|
||
this.locker.Lock()
|
||
err := this.init()
|
||
this.locker.Unlock()
|
||
return err
|
||
}
|
||
|
||
// TestEndpoints 测试Endpoints是否可用
|
||
func (this *RPCClient) TestEndpoints(endpoints []string) bool {
|
||
if len(endpoints) == 0 {
|
||
return false
|
||
}
|
||
|
||
var wg = sync.WaitGroup{}
|
||
wg.Add(len(endpoints))
|
||
|
||
var ok = false
|
||
|
||
for _, endpoint := range endpoints {
|
||
go func(endpoint string) {
|
||
defer wg.Done()
|
||
|
||
u, err := url.Parse(endpoint)
|
||
if err != nil {
|
||
return
|
||
}
|
||
|
||
ctx, cancelFunc := context.WithTimeout(context.Background(), 5*time.Second)
|
||
defer func() {
|
||
cancelFunc()
|
||
}()
|
||
var conn *grpc.ClientConn
|
||
if u.Scheme == "http" {
|
||
conn, err = grpc.DialContext(ctx, u.Host, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock())
|
||
} else if u.Scheme == "https" {
|
||
conn, err = grpc.DialContext(ctx, u.Host, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
|
||
InsecureSkipVerify: true,
|
||
})), grpc.WithBlock())
|
||
} else {
|
||
return
|
||
}
|
||
if err != nil {
|
||
return
|
||
}
|
||
if conn == nil {
|
||
return
|
||
}
|
||
defer func() {
|
||
_ = conn.Close()
|
||
}()
|
||
|
||
var pingService = pb.NewPingServiceClient(conn)
|
||
_, err = pingService.Ping(this.Context(), &pb.PingRequest{})
|
||
if err != nil {
|
||
return
|
||
}
|
||
|
||
ok = true
|
||
}(endpoint)
|
||
}
|
||
wg.Wait()
|
||
|
||
return ok
|
||
}
|
||
|
||
// 初始化
|
||
func (this *RPCClient) init() error {
|
||
// 重新连接
|
||
var conns = []*grpc.ClientConn{}
|
||
for _, endpoint := range this.apiConfig.RPCEndpoints {
|
||
u, err := url.Parse(endpoint)
|
||
if err != nil {
|
||
return fmt.Errorf("parse endpoint failed: %w", err)
|
||
}
|
||
var conn *grpc.ClientConn
|
||
var callOptions = grpc.WithDefaultCallOptions(
|
||
grpc.MaxCallRecvMsgSize(512<<20),
|
||
grpc.MaxCallSendMsgSize(512<<20),
|
||
grpc.UseCompressor(gzip.Name),
|
||
)
|
||
if u.Scheme == "http" {
|
||
conn, err = grpc.Dial(u.Host, grpc.WithTransportCredentials(insecure.NewCredentials()), callOptions)
|
||
} else if u.Scheme == "https" {
|
||
conn, err = grpc.Dial(u.Host, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
|
||
InsecureSkipVerify: true,
|
||
})), callOptions)
|
||
} else {
|
||
return errors.New("parse endpoint failed: invalid scheme '" + u.Scheme + "'")
|
||
}
|
||
if err != nil {
|
||
return err
|
||
}
|
||
conns = append(conns, conn)
|
||
}
|
||
if len(conns) == 0 {
|
||
return errors.New("[RPC]no available endpoints")
|
||
}
|
||
|
||
// 这里不需要加锁，防止和pickConn()冲突
|
||
this.conns = conns
|
||
return nil
|
||
}
|
||
|
||
// 随机选择一个连接
|
||
func (this *RPCClient) pickConn() *grpc.ClientConn {
|
||
this.locker.Lock()
|
||
defer this.locker.Unlock()
|
||
|
||
// 检查连接状态
|
||
var countConns = len(this.conns)
|
||
if countConns > 0 {
|
||
if countConns == 1 {
|
||
return this.conns[0]
|
||
}
|
||
|
||
for _, stateArray := range [][2]connectivity.State{
|
||
{connectivity.Ready, connectivity.Idle}, // 优先Ready和Idle
|
||
{connectivity.Connecting, connectivity.Connecting},
|
||
{connectivity.TransientFailure, connectivity.TransientFailure},
|
||
} {
|
||
var availableConns = []*grpc.ClientConn{}
|
||
for _, conn := range this.conns {
|
||
var state = conn.GetState()
|
||
if state == stateArray[0] || state == stateArray[1] {
|
||
availableConns = append(availableConns, conn)
|
||
}
|
||
}
|
||
if len(availableConns) > 0 {
|
||
return this.randConn(availableConns)
|
||
}
|
||
}
|
||
}
|
||
|
||
return this.randConn(this.conns)
|
||
}
|
||
|
||
func (this *RPCClient) Invoke(ctx context.Context, method string, args interface{}, reply interface{}, opts ...grpc.CallOption) error {
|
||
var conn = this.pickConn()
|
||
if conn == nil {
|
||
return errors.New("could not get available grpc connection")
|
||
}
|
||
return conn.Invoke(ctx, method, args, reply, opts...)
|
||
}
|
||
|
||
func (this *RPCClient) NewStream(ctx context.Context, desc *grpc.StreamDesc, method string, opts ...grpc.CallOption) (grpc.ClientStream, error) {
|
||
var conn = this.pickConn()
|
||
if conn == nil {
|
||
return nil, errors.New("could not get available grpc connection")
|
||
}
|
||
return conn.NewStream(ctx, desc, method, opts...)
|
||
}
|
||
|
||
func (this *RPCClient) randConn(conns []*grpc.ClientConn) *grpc.ClientConn {
|
||
var l = len(conns)
|
||
if l == 0 {
|
||
return nil
|
||
}
|
||
if l == 1 {
|
||
return conns[0]
|
||
}
|
||
return conns[rands.Int(0, l-1)]
|
||
}
|