mirror of
https://github.com/TeaOSLab/EdgeAdmin.git
synced 2025-11-04 05:00:25 +08:00
678 lines
20 KiB
Go
678 lines
20 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/EdgeAdmin/internal/configs"
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teaconst "github.com/TeaOSLab/EdgeAdmin/internal/const"
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"github.com/TeaOSLab/EdgeAdmin/internal/encrypt"
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"github.com/TeaOSLab/EdgeAdmin/internal/utils"
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"github.com/TeaOSLab/EdgeCommon/pkg/rpc/dao"
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"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
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"github.com/iwind/TeaGo/lists"
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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"
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"net/url"
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"strings"
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"sync"
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"time"
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)
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// RPCClient RPC客户端
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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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}
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// NewRPCClient 构造新的RPC客户端
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func NewRPCClient(apiConfig *configs.APIConfig, isPrimary bool) (*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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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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// 设置RPC
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if isPrimary {
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dao.SetRPC(client)
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}
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return client, nil
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}
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func (this *RPCClient) APITokenRPC() pb.APITokenServiceClient {
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return pb.NewAPITokenServiceClient(this.pickConn())
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}
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func (this *RPCClient) AdminRPC() pb.AdminServiceClient {
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return pb.NewAdminServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeRPC() pb.NodeServiceClient {
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return pb.NewNodeServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeLogRPC() pb.NodeLogServiceClient {
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return pb.NewNodeLogServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeGrantRPC() pb.NodeGrantServiceClient {
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return pb.NewNodeGrantServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeLoginRPC() pb.NodeLoginServiceClient {
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return pb.NewNodeLoginServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeClusterRPC() pb.NodeClusterServiceClient {
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return pb.NewNodeClusterServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeClusterFirewallActionRPC() pb.NodeClusterFirewallActionServiceClient {
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return pb.NewNodeClusterFirewallActionServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeGroupRPC() pb.NodeGroupServiceClient {
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return pb.NewNodeGroupServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeRegionRPC() pb.NodeRegionServiceClient {
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return pb.NewNodeRegionServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodePriceItemRPC() pb.NodePriceItemServiceClient {
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return pb.NewNodePriceItemServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeIPAddressRPC() pb.NodeIPAddressServiceClient {
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return pb.NewNodeIPAddressServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeIPAddressLogRPC() pb.NodeIPAddressLogServiceClient {
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return pb.NewNodeIPAddressLogServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeIPAddressThresholdRPC() pb.NodeIPAddressThresholdServiceClient {
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return pb.NewNodeIPAddressThresholdServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeValueRPC() pb.NodeValueServiceClient {
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return pb.NewNodeValueServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeThresholdRPC() pb.NodeThresholdServiceClient {
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return pb.NewNodeThresholdServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerRPC() pb.ServerServiceClient {
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return pb.NewServerServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerClientSystemMonthlyStatRPC() pb.ServerClientSystemMonthlyStatServiceClient {
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return pb.NewServerClientSystemMonthlyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerClientBrowserMonthlyStatRPC() pb.ServerClientBrowserMonthlyStatServiceClient {
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return pb.NewServerClientBrowserMonthlyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerRegionCountryMonthlyStatRPC() pb.ServerRegionCountryMonthlyStatServiceClient {
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return pb.NewServerRegionCountryMonthlyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerRegionProvinceMonthlyStatRPC() pb.ServerRegionProvinceMonthlyStatServiceClient {
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return pb.NewServerRegionProvinceMonthlyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerRegionCityMonthlyStatRPC() pb.ServerRegionCityMonthlyStatServiceClient {
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return pb.NewServerRegionCityMonthlyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerRegionProviderMonthlyStatRPC() pb.ServerRegionProviderMonthlyStatServiceClient {
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return pb.NewServerRegionProviderMonthlyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerHTTPFirewallDailyStatRPC() pb.ServerHTTPFirewallDailyStatServiceClient {
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return pb.NewServerHTTPFirewallDailyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerDailyStatRPC() pb.ServerDailyStatServiceClient {
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return pb.NewServerDailyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerGroupRPC() pb.ServerGroupServiceClient {
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return pb.NewServerGroupServiceClient(this.pickConn())
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}
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func (this *RPCClient) APINodeRPC() pb.APINodeServiceClient {
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return pb.NewAPINodeServiceClient(this.pickConn())
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}
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func (this *RPCClient) APIMethodStatRPC() pb.APIMethodStatServiceClient {
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return pb.NewAPIMethodStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserNodeRPC() pb.UserNodeServiceClient {
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return pb.NewUserNodeServiceClient(this.pickConn())
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}
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func (this *RPCClient) DBNodeRPC() pb.DBNodeServiceClient {
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return pb.NewDBNodeServiceClient(this.pickConn())
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}
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func (this *RPCClient) MonitorNodeRPC() pb.MonitorNodeServiceClient {
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return pb.NewMonitorNodeServiceClient(this.pickConn())
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}
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func (this *RPCClient) DBRPC() pb.DBServiceClient {
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return pb.NewDBServiceClient(this.pickConn())
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}
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func (this *RPCClient) OriginRPC() pb.OriginServiceClient {
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return pb.NewOriginServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPWebRPC() pb.HTTPWebServiceClient {
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return pb.NewHTTPWebServiceClient(this.pickConn())
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}
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func (this *RPCClient) ReverseProxyRPC() pb.ReverseProxyServiceClient {
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return pb.NewReverseProxyServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPGzipRPC() pb.HTTPGzipServiceClient {
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return pb.NewHTTPGzipServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPHeaderRPC() pb.HTTPHeaderServiceClient {
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return pb.NewHTTPHeaderServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPHeaderPolicyRPC() pb.HTTPHeaderPolicyServiceClient {
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return pb.NewHTTPHeaderPolicyServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPPageRPC() pb.HTTPPageServiceClient {
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return pb.NewHTTPPageServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPAccessLogPolicyRPC() pb.HTTPAccessLogPolicyServiceClient {
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return pb.NewHTTPAccessLogPolicyServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPCachePolicyRPC() pb.HTTPCachePolicyServiceClient {
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return pb.NewHTTPCachePolicyServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPCacheTaskRPC() pb.HTTPCacheTaskServiceClient {
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return pb.NewHTTPCacheTaskServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPCacheTaskKeyRPC() pb.HTTPCacheTaskKeyServiceClient {
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return pb.NewHTTPCacheTaskKeyServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPFirewallPolicyRPC() pb.HTTPFirewallPolicyServiceClient {
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return pb.NewHTTPFirewallPolicyServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPFirewallRuleGroupRPC() pb.HTTPFirewallRuleGroupServiceClient {
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return pb.NewHTTPFirewallRuleGroupServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPFirewallRuleSetRPC() pb.HTTPFirewallRuleSetServiceClient {
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return pb.NewHTTPFirewallRuleSetServiceClient(this.pickConn())
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}
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func (this *RPCClient) FirewallRPC() pb.FirewallServiceClient {
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return pb.NewFirewallServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPLocationRPC() pb.HTTPLocationServiceClient {
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return pb.NewHTTPLocationServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPWebsocketRPC() pb.HTTPWebsocketServiceClient {
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return pb.NewHTTPWebsocketServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPRewriteRuleRPC() pb.HTTPRewriteRuleServiceClient {
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return pb.NewHTTPRewriteRuleServiceClient(this.pickConn())
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}
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// HTTPAccessLogRPC 访问日志
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func (this *RPCClient) HTTPAccessLogRPC() pb.HTTPAccessLogServiceClient {
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return pb.NewHTTPAccessLogServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPFastcgiRPC() pb.HTTPFastcgiServiceClient {
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return pb.NewHTTPFastcgiServiceClient(this.pickConn())
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}
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func (this *RPCClient) HTTPAuthPolicyRPC() pb.HTTPAuthPolicyServiceClient {
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return pb.NewHTTPAuthPolicyServiceClient(this.pickConn())
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}
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func (this *RPCClient) SSLCertRPC() pb.SSLCertServiceClient {
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return pb.NewSSLCertServiceClient(this.pickConn())
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}
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func (this *RPCClient) SSLPolicyRPC() pb.SSLPolicyServiceClient {
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return pb.NewSSLPolicyServiceClient(this.pickConn())
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}
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func (this *RPCClient) SysSettingRPC() pb.SysSettingServiceClient {
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return pb.NewSysSettingServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageRPC() pb.MessageServiceClient {
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return pb.NewMessageServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageRecipientGroupRPC() pb.MessageRecipientGroupServiceClient {
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return pb.NewMessageRecipientGroupServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageRecipientRPC() pb.MessageRecipientServiceClient {
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return pb.NewMessageRecipientServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageMediaRPC() pb.MessageMediaServiceClient {
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return pb.NewMessageMediaServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageMediaInstanceRPC() pb.MessageMediaInstanceServiceClient {
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return pb.NewMessageMediaInstanceServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageTaskRPC() pb.MessageTaskServiceClient {
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return pb.NewMessageTaskServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageTaskLogRPC() pb.MessageTaskLogServiceClient {
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return pb.NewMessageTaskLogServiceClient(this.pickConn())
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}
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func (this *RPCClient) MessageReceiverRPC() pb.MessageReceiverServiceClient {
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return pb.NewMessageReceiverServiceClient(this.pickConn())
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}
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func (this *RPCClient) IPLibraryRPC() pb.IPLibraryServiceClient {
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return pb.NewIPLibraryServiceClient(this.pickConn())
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}
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func (this *RPCClient) IPLibraryFileRPC() pb.IPLibraryFileServiceClient {
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return pb.NewIPLibraryFileServiceClient(this.pickConn())
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}
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func (this *RPCClient) IPLibraryArtifactRPC() pb.IPLibraryArtifactServiceClient {
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return pb.NewIPLibraryArtifactServiceClient(this.pickConn())
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}
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func (this *RPCClient) IPListRPC() pb.IPListServiceClient {
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return pb.NewIPListServiceClient(this.pickConn())
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}
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func (this *RPCClient) IPItemRPC() pb.IPItemServiceClient {
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return pb.NewIPItemServiceClient(this.pickConn())
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}
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func (this *RPCClient) FileRPC() pb.FileServiceClient {
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return pb.NewFileServiceClient(this.pickConn())
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}
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func (this *RPCClient) FileChunkRPC() pb.FileChunkServiceClient {
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return pb.NewFileChunkServiceClient(this.pickConn())
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}
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func (this *RPCClient) RegionCountryRPC() pb.RegionCountryServiceClient {
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return pb.NewRegionCountryServiceClient(this.pickConn())
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}
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func (this *RPCClient) RegionProvinceRPC() pb.RegionProvinceServiceClient {
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return pb.NewRegionProvinceServiceClient(this.pickConn())
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}
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func (this *RPCClient) RegionCityRPC() pb.RegionCityServiceClient {
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return pb.NewRegionCityServiceClient(this.pickConn())
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}
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func (this *RPCClient) RegionTownRPC() pb.RegionTownServiceClient {
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return pb.NewRegionTownServiceClient(this.pickConn())
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}
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func (this *RPCClient) RegionProviderRPC() pb.RegionProviderServiceClient {
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return pb.NewRegionProviderServiceClient(this.pickConn())
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}
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func (this *RPCClient) LogRPC() pb.LogServiceClient {
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return pb.NewLogServiceClient(this.pickConn())
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}
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func (this *RPCClient) DNSProviderRPC() pb.DNSProviderServiceClient {
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return pb.NewDNSProviderServiceClient(this.pickConn())
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}
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func (this *RPCClient) DNSDomainRPC() pb.DNSDomainServiceClient {
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return pb.NewDNSDomainServiceClient(this.pickConn())
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}
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func (this *RPCClient) DNSRPC() pb.DNSServiceClient {
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return pb.NewDNSServiceClient(this.pickConn())
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}
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func (this *RPCClient) DNSTaskRPC() pb.DNSTaskServiceClient {
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return pb.NewDNSTaskServiceClient(this.pickConn())
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}
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func (this *RPCClient) ACMEUserRPC() pb.ACMEUserServiceClient {
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return pb.NewACMEUserServiceClient(this.pickConn())
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}
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func (this *RPCClient) ACMETaskRPC() pb.ACMETaskServiceClient {
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return pb.NewACMETaskServiceClient(this.pickConn())
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}
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func (this *RPCClient) ACMEProviderRPC() pb.ACMEProviderServiceClient {
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return pb.NewACMEProviderServiceClient(this.pickConn())
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}
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func (this *RPCClient) ACMEProviderAccountRPC() pb.ACMEProviderAccountServiceClient {
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return pb.NewACMEProviderAccountServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserRPC() pb.UserServiceClient {
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return pb.NewUserServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserBillRPC() pb.UserBillServiceClient {
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return pb.NewUserBillServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerBillRPC() pb.ServerBillServiceClient {
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return pb.NewServerBillServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserAccountRPC() pb.UserAccountServiceClient {
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return pb.NewUserAccountServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserAccountLogRPC() pb.UserAccountLogServiceClient {
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return pb.NewUserAccountLogServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserAccountDailyStatRPC() pb.UserAccountDailyStatServiceClient {
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return pb.NewUserAccountDailyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserAccessKeyRPC() pb.UserAccessKeyServiceClient {
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return pb.NewUserAccessKeyServiceClient(this.pickConn())
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}
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func (this *RPCClient) UserIdentityRPC() pb.UserIdentityServiceClient {
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return pb.NewUserIdentityServiceClient(this.pickConn())
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}
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func (this *RPCClient) LoginRPC() pb.LoginServiceClient {
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return pb.NewLoginServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeTaskRPC() pb.NodeTaskServiceClient {
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return pb.NewNodeTaskServiceClient(this.pickConn())
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}
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func (this *RPCClient) AuthorityKeyRPC() pb.AuthorityKeyServiceClient {
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return pb.NewAuthorityKeyServiceClient(this.pickConn())
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}
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func (this *RPCClient) AuthorityNodeRPC() pb.AuthorityNodeServiceClient {
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return pb.NewAuthorityNodeServiceClient(this.pickConn())
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}
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func (this *RPCClient) LatestItemRPC() pb.LatestItemServiceClient {
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return pb.NewLatestItemServiceClient(this.pickConn())
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}
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func (this *RPCClient) MetricItemRPC() pb.MetricItemServiceClient {
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return pb.NewMetricItemServiceClient(this.pickConn())
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}
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func (this *RPCClient) MetricStatRPC() pb.MetricStatServiceClient {
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return pb.NewMetricStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) MetricChartRPC() pb.MetricChartServiceClient {
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return pb.NewMetricChartServiceClient(this.pickConn())
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}
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func (this *RPCClient) NodeClusterMetricItemRPC() pb.NodeClusterMetricItemServiceClient {
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return pb.NewNodeClusterMetricItemServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerStatBoardRPC() pb.ServerStatBoardServiceClient {
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return pb.NewServerStatBoardServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerDomainHourlyStatRPC() pb.ServerDomainHourlyStatServiceClient {
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return pb.NewServerDomainHourlyStatServiceClient(this.pickConn())
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}
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func (this *RPCClient) ServerStatBoardChartRPC() pb.ServerStatBoardChartServiceClient {
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return pb.NewServerStatBoardChartServiceClient(this.pickConn())
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}
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func (this *RPCClient) PlanRPC() pb.PlanServiceClient {
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return pb.NewPlanServiceClient(this.pickConn())
|
||
}
|
||
|
||
func (this *RPCClient) UserPlanRPC() pb.UserPlanServiceClient {
|
||
return pb.NewUserPlanServiceClient(this.pickConn())
|
||
}
|
||
|
||
func (this *RPCClient) TrafficDailyStatRPC() pb.TrafficDailyStatServiceClient {
|
||
return pb.NewTrafficDailyStatServiceClient(this.pickConn())
|
||
}
|
||
|
||
// Context 构造Admin上下文
|
||
func (this *RPCClient) Context(adminId int64) context.Context {
|
||
var ctx = context.Background()
|
||
var m = maps.Map{
|
||
"timestamp": time.Now().Unix(),
|
||
"type": "admin",
|
||
"userId": adminId,
|
||
}
|
||
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)
|
||
ctx = metadata.AppendToOutgoingContext(ctx, "nodeId", this.apiConfig.NodeId, "token", token)
|
||
return ctx
|
||
}
|
||
|
||
// APIContext 构造API上下文
|
||
func (this *RPCClient) APIContext(apiNodeId int64) context.Context {
|
||
var ctx = context.Background()
|
||
var m = maps.Map{
|
||
"timestamp": time.Now().Unix(),
|
||
"type": "api",
|
||
"userId": apiNodeId,
|
||
}
|
||
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)
|
||
ctx = metadata.AppendToOutgoingContext(ctx, "nodeId", this.apiConfig.NodeId, "token", token)
|
||
return ctx
|
||
}
|
||
|
||
// 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
|
||
}
|
||
|
||
// 初始化
|
||
func (this *RPCClient) init() error {
|
||
// 当前的IP地址
|
||
var localIPAddrs = this.localIPAddrs()
|
||
|
||
// 重新连接
|
||
var conns = []*grpc.ClientConn{}
|
||
for _, endpoint := range this.apiConfig.RPC.Endpoints {
|
||
u, err := url.Parse(endpoint)
|
||
if err != nil {
|
||
return errors.New("parse endpoint failed: " + err.Error())
|
||
}
|
||
|
||
var apiHost = u.Host
|
||
|
||
// 如果本机，则将地址修改为回路地址
|
||
if lists.ContainsString(localIPAddrs, u.Hostname()) {
|
||
if strings.Contains(apiHost, "[") { // IPv6 [host]:port
|
||
apiHost = "[::1]"
|
||
} else {
|
||
apiHost = "127.0.0.1"
|
||
}
|
||
var port = u.Port()
|
||
if len(port) > 0 {
|
||
apiHost += ":" + port
|
||
}
|
||
}
|
||
|
||
var conn *grpc.ClientConn
|
||
var callOptions = grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(128*1024*1024),
|
||
grpc.UseCompressor(gzip.Name))
|
||
if u.Scheme == "http" {
|
||
conn, err = grpc.Dial(apiHost, grpc.WithTransportCredentials(insecure.NewCredentials()), callOptions)
|
||
} else if u.Scheme == "https" {
|
||
conn, err = grpc.Dial(apiHost, 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，因为会和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
|
||
if len(this.conns) > 0 {
|
||
var availableConns = []*grpc.ClientConn{}
|
||
for _, state := range []connectivity.State{connectivity.Ready, connectivity.Idle, connectivity.Connecting} {
|
||
for _, conn := range this.conns {
|
||
if conn.GetState() == state {
|
||
availableConns = append(availableConns, conn)
|
||
}
|
||
}
|
||
if len(availableConns) > 0 {
|
||
break
|
||
}
|
||
}
|
||
|
||
if len(availableConns) > 0 {
|
||
return availableConns[rands.Int(0, len(availableConns)-1)]
|
||
}
|
||
|
||
// 关闭
|
||
for _, conn := range this.conns {
|
||
_ = conn.Close()
|
||
}
|
||
}
|
||
|
||
// 重新初始化
|
||
err := this.init()
|
||
if err != nil {
|
||
// 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
|
||
return nil
|
||
}
|
||
|
||
if len(this.conns) == 0 {
|
||
return nil
|
||
}
|
||
|
||
return this.conns[rands.Int(0, len(this.conns)-1)]
|
||
}
|
||
|
||
// Close 关闭
|
||
func (this *RPCClient) Close() error {
|
||
this.locker.Lock()
|
||
defer this.locker.Unlock()
|
||
|
||
var lastErr error
|
||
for _, conn := range this.conns {
|
||
var err = conn.Close()
|
||
if err != nil {
|
||
lastErr = err
|
||
continue
|
||
}
|
||
}
|
||
|
||
return lastErr
|
||
}
|
||
|
||
func (this *RPCClient) localIPAddrs() []string {
|
||
localInterfaceAddrs, err := net.InterfaceAddrs()
|
||
var localIPAddrs = []string{}
|
||
if err == nil {
|
||
for _, addr := range localInterfaceAddrs {
|
||
var addrString = addr.String()
|
||
var index = strings.Index(addrString, "/")
|
||
if index > 0 {
|
||
localIPAddrs = append(localIPAddrs, addrString[:index])
|
||
}
|
||
}
|
||
}
|
||
return localIPAddrs
|
||
}
|