130 lines
2.4 KiB
Go
130 lines
2.4 KiB
Go
package conduit
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import (
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"context"
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"fmt"
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"sync"
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"go.fifitido.net/twitch/api"
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"go.fifitido.net/twitch/api/conduit"
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eventsubapi "go.fifitido.net/twitch/api/eventsub"
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"go.fifitido.net/twitch/eventsub"
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)
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type Conduit struct {
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api *api.API
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id string
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transports []eventsub.Transport
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mu sync.Mutex
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}
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func New(transports ...eventsub.Transport) *Conduit {
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return &Conduit{
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transports: transports,
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}
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}
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func (c *Conduit) AddTransport(transport eventsub.Transport) {
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c.transports = append(c.transports, transport)
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}
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// ApiTransport implements eventsub.Transport
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func (c *Conduit) ApiTransport() *eventsubapi.Transport {
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return &eventsubapi.Transport{
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Method: "conduit",
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ConduitID: &c.id,
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}
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}
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// Run implements eventsub.Transport.
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func (c *Conduit) Run() error {
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var wg sync.WaitGroup
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for _, transport := range c.transports {
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wg.Add(1)
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go func(transport eventsub.Transport) {
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defer wg.Done()
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if err := transport.Run(); err != nil {
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panic(err)
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}
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}(transport)
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}
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wg.Wait()
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return nil
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}
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// Start implements eventsub.Transport.
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func (c *Conduit) Start() {
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go func() {
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if err := c.Run(); err != nil {
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panic(err)
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}
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}()
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}
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// Close implements eventsub.Transport.
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func (c *Conduit) Close() error {
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for _, transport := range c.transports {
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if err := transport.Close(); err != nil {
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return err
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}
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}
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return nil
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}
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func (c *Conduit) Register(ctx context.Context) error {
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c.mu.Lock()
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defer c.mu.Unlock()
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createRes, err := c.api.Conduit.CreateConduits(context.Background(), &conduit.CreateConduitsRequest{
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ShardCount: 1,
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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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c.id = createRes.Data[0].ID
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updateReq := &conduit.UpdateConduitShardsRequest{
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ConduitID: c.id,
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Shards: make([]conduit.ShardUpdate, len(c.transports)),
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}
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for i, transport := range c.transports {
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updateReq.Shards[i] = conduit.ShardUpdate{
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ID: fmt.Sprint(i),
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Transport: transport.ApiTransport(),
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}
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}
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updateRes, err := c.api.Conduit.UpdateConduitShards(ctx, updateReq)
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if err != nil {
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return err
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}
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if len(updateRes.Errors) > 0 {
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return fmt.Errorf("failed to update shards: %v", updateRes.Errors)
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}
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return nil
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}
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func (c *Conduit) Unregister(ctx context.Context) error {
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c.mu.Lock()
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defer c.mu.Unlock()
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if c.id == "" {
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return nil
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}
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if err := c.api.Conduit.DeleteConduit(ctx, c.id); err != nil {
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return err
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}
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c.id = ""
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return nil
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}
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