mirror of
https://github.com/XTLS/Xray-core.git
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111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
// +build !confonly
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package commander
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//go:generate go run github.com/xtls/xray-core/v1/common/errors/errorgen
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import (
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"context"
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"net"
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"sync"
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"google.golang.org/grpc"
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"github.com/xtls/xray-core/v1/common"
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"github.com/xtls/xray-core/v1/common/signal/done"
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core "github.com/xtls/xray-core/v1/core"
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"github.com/xtls/xray-core/v1/features/outbound"
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)
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// Commander is a Xray feature that provides gRPC methods to external clients.
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type Commander struct {
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sync.Mutex
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server *grpc.Server
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services []Service
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ohm outbound.Manager
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tag string
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}
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// NewCommander creates a new Commander based on the given config.
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func NewCommander(ctx context.Context, config *Config) (*Commander, error) {
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c := &Commander{
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tag: config.Tag,
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}
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common.Must(core.RequireFeatures(ctx, func(om outbound.Manager) {
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c.ohm = om
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}))
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for _, rawConfig := range config.Service {
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config, err := rawConfig.GetInstance()
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if err != nil {
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return nil, err
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}
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rawService, err := common.CreateObject(ctx, config)
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if err != nil {
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return nil, err
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}
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service, ok := rawService.(Service)
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if !ok {
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return nil, newError("not a Service.")
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}
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c.services = append(c.services, service)
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}
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return c, nil
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}
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// Type implements common.HasType.
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func (c *Commander) Type() interface{} {
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return (*Commander)(nil)
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}
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// Start implements common.Runnable.
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func (c *Commander) Start() error {
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c.Lock()
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c.server = grpc.NewServer()
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for _, service := range c.services {
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service.Register(c.server)
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}
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c.Unlock()
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listener := &OutboundListener{
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buffer: make(chan net.Conn, 4),
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done: done.New(),
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}
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go func() {
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if err := c.server.Serve(listener); err != nil {
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newError("failed to start grpc server").Base(err).AtError().WriteToLog()
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}
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}()
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if err := c.ohm.RemoveHandler(context.Background(), c.tag); err != nil {
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newError("failed to remove existing handler").WriteToLog()
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}
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return c.ohm.AddHandler(context.Background(), &Outbound{
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tag: c.tag,
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listener: listener,
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})
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}
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// Close implements common.Closable.
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func (c *Commander) Close() error {
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c.Lock()
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defer c.Unlock()
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if c.server != nil {
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c.server.Stop()
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c.server = nil
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}
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return nil
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}
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func init() {
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common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
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return NewCommander(ctx, cfg.(*Config))
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}))
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}
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