yammerbot/bridge.go
2021-01-03 15:45:12 -05:00

146 lines
3.2 KiB
Go

package main
import (
"crypto/tls"
"fmt"
"log"
"net"
"os"
"os/signal"
"strconv"
"time"
"github.com/bwmarrin/discordgo"
"layeh.com/gumble/gumble"
)
func startBridge(discord *discordgo.Session, discordGID string, discordCID string, config *gumble.Config, mumbleAddr string, mumbleInsecure bool, die chan bool) {
dgv, err := discord.ChannelVoiceJoin(discordGID, discordCID, false, false)
if err != nil {
log.Println(err)
return
}
defer dgv.Speaking(false)
defer dgv.Close()
Bridge.Connected = true
discord.ShouldReconnectOnError = true
// MUMBLE Setup
m := MumbleDuplex{
Close: make(chan bool),
}
var tlsConfig tls.Config
if mumbleInsecure {
tlsConfig.InsecureSkipVerify = true
}
mumble, err := gumble.DialWithDialer(new(net.Dialer), mumbleAddr, config, &tlsConfig)
if err != nil {
log.Println(err)
return
}
defer mumble.Disconnect()
// Shared Channels
// Shared channels pass PCM information in 10ms chunks [480]int16
var toMumble = mumble.AudioOutgoing()
var toDiscord = make(chan []int16, 100)
log.Println("Mumble Connected")
// Start Passing Between
// Mumble
go m.fromMumbleMixer(toDiscord, die)
det := config.AudioListeners.Attach(m)
//Discord
go discordReceivePCM(dgv, die)
go fromDiscordMixer(toMumble, die)
go discordSendPCM(dgv, toDiscord, die)
c := make(chan os.Signal)
signal.Notify(c, os.Interrupt)
go func() {
ticker := time.NewTicker(500 * time.Millisecond)
for {
<-ticker.C
if mumble.State() != 2 {
log.Println("Lost mumble connection " + strconv.Itoa(int(mumble.State())))
die <- true
m.Close <- true
}
}
}()
select {
case sig := <-c:
log.Printf("\nGot %s signal. Terminating Mumble-Bridge\n", sig)
case <-die:
log.Println("\nGot internal die request. Terminating Mumble-Bridge")
dgv.Disconnect()
det.Detach()
Bridge.Connected = false
}
}
func pingMumble(host, port string, c chan int) {
m, _ := time.ParseDuration("30s")
curr := 0
for {
time.Sleep(3 * time.Second)
resp, err := gumble.Ping(host+":"+port, -1, m)
curr = resp.ConnectedUsers
if err != nil {
panic(err)
}
if Bridge.Connected {
curr = curr - 1
}
if curr != Bridge.MumbleUserCount {
Bridge.MumbleUserCount = curr
c <- Bridge.MumbleUserCount
}
}
}
func discordStatusUpdate(dg *discordgo.Session, c chan int) {
status := ""
curr := 0
for {
curr = <-c
if curr == 0 {
status = ""
} else {
status = fmt.Sprintf("%v users in Mumble\n", curr)
}
dg.UpdateListeningStatus(status)
}
}
func AutoBridge(s *discordgo.Session) {
log.Println("beginning auto mode")
for {
select {
default:
case <-Bridge.AutoChan:
log.Println("ending automode")
return
}
time.Sleep(3 * time.Second)
if !Bridge.Connected && Bridge.MumbleUserCount > 0 && Bridge.DiscordUserCount > 0 {
log.Println("users detected in mumble and discord, bridging")
die := make(chan bool)
Bridge.ActiveConn = die
go startBridge(s, BridgeConf.GID, BridgeConf.CID, BridgeConf.Config, BridgeConf.MumbleAddr, BridgeConf.MumbleInsecure, die)
}
if Bridge.Connected && Bridge.MumbleUserCount == 0 && Bridge.DiscordUserCount <= 1 {
log.Println("no one online, killing bridge")
Bridge.ActiveConn <- true
MumbleReset()
DiscordReset()
}
}
}