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126 lines
3.7 KiB
Go
126 lines
3.7 KiB
Go
package voicegateway
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import (
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"time"
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"github.com/diamondburned/arikawa/discord"
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"github.com/pkg/errors"
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)
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var (
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// ErrMissingForIdentify is an error when we are missing information to identify.
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ErrMissingForIdentify = errors.New("missing GuildID, UserID, SessionID, or Token for identify")
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// ErrMissingForResume is an error when we are missing information to resume.
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ErrMissingForResume = errors.New("missing GuildID, SessionID, or Token for resuming")
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)
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// OPCode 0
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// https://discordapp.com/developers/docs/topics/voice-connections#establishing-a-voice-websocket-connection-example-voice-identify-payload
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type IdentifyData struct {
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GuildID discord.Snowflake `json:"server_id"` // yes, this should be "server_id"
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UserID discord.Snowflake `json:"user_id"`
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SessionID string `json:"session_id"`
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Token string `json:"token"`
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}
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// Identify sends an Identify operation (opcode 0) to the Gateway Gateway.
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func (c *Gateway) Identify() error {
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guildID := c.state.GuildID
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userID := c.state.UserID
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sessionID := c.state.SessionID
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token := c.state.Token
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if guildID == 0 || userID == 0 || sessionID == "" || token == "" {
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return ErrMissingForIdentify
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}
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return c.Send(IdentifyOP, IdentifyData{
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GuildID: guildID,
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UserID: userID,
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SessionID: sessionID,
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Token: token,
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})
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}
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// OPCode 1
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// https://discordapp.com/developers/docs/topics/voice-connections#establishing-a-voice-udp-connection-example-select-protocol-payload
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type SelectProtocol struct {
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Protocol string `json:"protocol"`
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Data SelectProtocolData `json:"data"`
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}
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type SelectProtocolData struct {
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Address string `json:"address"`
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Port uint16 `json:"port"`
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Mode string `json:"mode"`
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}
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// SelectProtocol sends a Select Protocol operation (opcode 1) to the Gateway Gateway.
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func (c *Gateway) SelectProtocol(data SelectProtocol) error {
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return c.Send(SelectProtocolOP, data)
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}
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// OPCode 3
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// https://discordapp.com/developers/docs/topics/voice-connections#heartbeating-example-heartbeat-payload
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type Heartbeat uint64
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// Heartbeat sends a Heartbeat operation (opcode 3) to the Gateway Gateway.
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func (c *Gateway) Heartbeat() error {
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return c.Send(HeartbeatOP, time.Now().UnixNano())
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}
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// https://discordapp.com/developers/docs/topics/voice-connections#speaking
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type SpeakingFlag uint64
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const (
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Microphone SpeakingFlag = 1 << iota
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Soundshare
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Priority
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)
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// OPCode 5
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// https://discordapp.com/developers/docs/topics/voice-connections#speaking-example-speaking-payload
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type SpeakingData struct {
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Speaking SpeakingFlag `json:"speaking"`
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Delay int `json:"delay"`
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SSRC uint32 `json:"ssrc"`
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}
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// Speaking sends a Speaking operation (opcode 5) to the Gateway Gateway.
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func (c *Gateway) Speaking(flag SpeakingFlag) error {
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// How do we allow a user to stop speaking?
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// Also: https://discordapp.com/developers/docs/topics/voice-connections#voice-data-interpolation
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return c.Send(SpeakingOP, SpeakingData{
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Speaking: flag,
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Delay: 0,
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SSRC: c.ready.SSRC,
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})
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}
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// OPCode 7
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// https://discordapp.com/developers/docs/topics/voice-connections#resuming-voice-connection-example-resume-connection-payload
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type ResumeData struct {
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GuildID discord.Snowflake `json:"server_id"` // yes, this should be "server_id"
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SessionID string `json:"session_id"`
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Token string `json:"token"`
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}
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// Resume sends a Resume operation (opcode 7) to the Gateway Gateway.
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func (c *Gateway) Resume() error {
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guildID := c.state.GuildID
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sessionID := c.state.SessionID
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token := c.state.Token
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if !guildID.Valid() || sessionID == "" || token == "" {
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return ErrMissingForResume
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}
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return c.Send(ResumeOP, ResumeData{
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GuildID: guildID,
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SessionID: sessionID,
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Token: token,
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})
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}
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