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73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
package voicegateway
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import (
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"fmt"
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"sync"
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"github.com/diamondburned/arikawa/utils/json"
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"github.com/diamondburned/arikawa/utils/wsutil"
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"github.com/pkg/errors"
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)
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// OPCode represents a Discord Gateway Gateway operation code.
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type OPCode = wsutil.OPCode
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const (
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IdentifyOP OPCode = 0 // send
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SelectProtocolOP OPCode = 1 // send
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ReadyOP OPCode = 2 // receive
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HeartbeatOP OPCode = 3 // send
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SessionDescriptionOP OPCode = 4 // receive
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SpeakingOP OPCode = 5 // send/receive
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HeartbeatAckOP OPCode = 6 // receive
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ResumeOP OPCode = 7 // send
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HelloOP OPCode = 8 // receive
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ResumedOP OPCode = 9 // receive
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// ClientDisconnectOP OPCode = 13 // receive
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)
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func (c *Gateway) HandleOP(op *wsutil.OP) error {
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switch op.Code {
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// Gives information required to make a UDP connection
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case ReadyOP:
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if err := unmarshalMutex(op.Data, &c.ready, &c.mutex); err != nil {
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return errors.Wrap(err, "failed to parse READY event")
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}
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// Gives information about the encryption mode and secret key for sending voice packets
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case SessionDescriptionOP:
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// ?
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// Already handled by Session.
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// Someone started or stopped speaking.
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case SpeakingOP:
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// ?
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// TODO: handler in Session
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// Heartbeat response from the server
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case HeartbeatAckOP:
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c.EventLoop.Echo()
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// Hello server, we hear you! :)
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case HelloOP:
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// ?
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// Already handled on initial connection.
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// Server is saying the connection was resumed, no data here.
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case ResumedOP:
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wsutil.WSDebug("Gateway connection has been resumed.")
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default:
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return fmt.Errorf("unknown OP code %d", op.Code)
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}
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return nil
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}
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func unmarshalMutex(d []byte, v interface{}, m *sync.RWMutex) error {
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m.Lock()
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err := json.Unmarshal(d, v)
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m.Unlock()
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return err
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}
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