telegabber/calls/signaling/tgsig/convert.go

// tdlib <-> ntgcalls type conversions for call setup
package tgsig

import (
	"gotgcalls/ntgcalls"

	log "github.com/sirupsen/logrus"
	"github.com/zelenin/go-tdlib/client"
)

func callProtocol() *client.CallProtocol {
	p := ntgcalls.GetProtocol()
	return &client.CallProtocol{
		UdpP2p:          p.UdpP2P,
		UdpReflector:    p.UdpReflector,
		MinLayer:        p.MinLayer,
		MaxLayer:        p.MaxLayer,
		LibraryVersions: p.Versions,
	}
}

func convertCallServers(servers []*client.CallServer) []ntgcalls.RTCServer {
	out := make([]ntgcalls.RTCServer, 0, len(servers))
	for _, s := range servers {
		rtc := ntgcalls.RTCServer{
			ID:   int64(s.Id),
			Ipv4: s.IpAddress,
			Ipv6: s.Ipv6Address,
			Port: s.Port,
		}
		switch t := s.Type.(type) {
		case *client.CallServerTypeTelegramReflector:
			rtc.PeerTag = t.PeerTag
			rtc.Tcp = t.IsTcp
			rtc.Turn = true
		case *client.CallServerTypeWebrtc:
			rtc.Username = t.Username
			rtc.Password = t.Password
			rtc.Turn = t.SupportsTurn
			rtc.Stun = t.SupportsStun
		default:
			log.WithField("type", s.Type.CallServerTypeType()).Warn("Unknown call server type")
			continue
		}
		out = append(out, rtc)
	}
	return out
}