mirror of
https://github.com/shtorm-7/sing-box-extended.git
synced 2026-05-14 00:51:12 +03:00
110 lines
2.8 KiB
Go
110 lines
2.8 KiB
Go
package client
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import (
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"context"
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"net"
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"sync"
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"github.com/sagernet/sing-box/adapter"
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boxService "github.com/sagernet/sing-box/adapter/service"
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"github.com/sagernet/sing-box/common/dialer"
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"github.com/sagernet/sing-box/common/tls"
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C "github.com/sagernet/sing-box/constant"
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"github.com/sagernet/sing-box/log"
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"github.com/sagernet/sing-box/option"
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pb "github.com/sagernet/sing-box/service/manager_api/grpc/manager"
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"github.com/sagernet/sing/common"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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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/metadata"
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)
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type Client struct {
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boxService.Adapter
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ctx context.Context
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logger log.ContextLogger
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dialer N.Dialer
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creds credentials.TransportCredentials
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options option.ManagerAPIClientOptions
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conn *grpc.ClientConn
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mtx sync.Mutex
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}
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func NewClient(ctx context.Context, logger log.ContextLogger, tag string, options option.ManagerAPIClientOptions) (*Client, error) {
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outboundDialer, err := dialer.New(ctx, options.DialerOptions, options.ServerIsDomain())
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if err != nil {
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return nil, err
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}
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creds := insecure.NewCredentials()
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if options.TLS != nil {
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tlsConfig, err := tls.NewClient(ctx, logger, options.Server, common.PtrValueOrDefault(options.TLS))
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if err != nil {
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return nil, err
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}
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creds = &tlsCreds{config: tlsConfig}
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}
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return &Client{
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Adapter: boxService.NewAdapter(C.TypeManagerAPI, tag),
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ctx: ctx,
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logger: logger,
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dialer: outboundDialer,
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creds: creds,
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options: options,
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}, nil
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}
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func (s *Client) Start(stage adapter.StartStage) error { return nil }
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func (s *Client) Close() error {
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s.mtx.Lock()
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defer s.mtx.Unlock()
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if s.conn != nil {
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return s.conn.Close()
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}
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return nil
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}
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func (s *Client) client() (pb.ManagerClient, error) {
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conn, err := s.getConn()
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if err != nil {
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return nil, err
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}
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return pb.NewManagerClient(conn), nil
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}
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func (s *Client) getConn() (*grpc.ClientConn, error) {
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s.mtx.Lock()
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defer s.mtx.Unlock()
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if s.conn != nil {
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state := s.conn.GetState()
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if state != connectivity.Shutdown && state != connectivity.TransientFailure {
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return s.conn, nil
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}
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}
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conn, err := grpc.NewClient(
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s.options.ServerOptions.Build().String(),
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grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
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return s.dialer.DialContext(ctx, N.NetworkTCP, M.ParseSocksaddr(addr))
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}),
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grpc.WithTransportCredentials(s.creds),
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)
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if err != nil {
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return nil, err
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}
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s.conn = conn
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return conn, nil
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}
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func (s *Client) callContext() context.Context {
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if s.options.APIKey == "" {
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return s.ctx
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}
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return metadata.AppendToOutgoingContext(s.ctx, "authorization", s.options.APIKey)
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}
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