Move ICE code into own module, add tests.

rtpconn/rtpconn.go

@@ -16,6 +16,7 @@ import (
 	"github.com/jech/galene/conn"
 	"github.com/jech/galene/estimator"
 	"github.com/jech/galene/group"
+	"github.com/jech/galene/ice"
 	"github.com/jech/galene/jitter"
 	"github.com/jech/galene/packetcache"
 	"github.com/jech/galene/rtptime"
@@ -138,7 +139,7 @@ type rtpDownConnection struct {
 
 func newDownConn(c group.Client, id string, remote conn.Up) (*rtpDownConnection, error) {
 	api := group.APIFromCodecs(remote.Codecs())
-	pc, err := api.NewPeerConnection(*group.ICEConfiguration())
+	pc, err := api.NewPeerConnection(*ice.ICEConfiguration())
 	if err != nil {
 		return nil, err
 	}
@@ -457,7 +458,7 @@ func pushConn(up *rtpUpConnection, g *group.Group, cs []group.Client) {
 }
 
 func newUpConn(c group.Client, id string, labels map[string]string) (*rtpUpConnection, error) {
-	pc, err := c.Group().API().NewPeerConnection(*group.ICEConfiguration())
+	pc, err := c.Group().API().NewPeerConnection(*ice.ICEConfiguration())
 	if err != nil {
 		return nil, err
 	}

rtpconn/webclient.go

@@ -16,6 +16,7 @@ import (
 	"github.com/jech/galene/diskwriter"
 	"github.com/jech/galene/estimator"
 	"github.com/jech/galene/group"
+	"github.com/jech/galene/ice"
 )
 
 func errorToWSCloseMessage(id string, err error) (*clientMessage, []byte) {
@@ -877,7 +878,7 @@ func clientLoop(c *webClient, ws *websocket.Conn) error {
 					Kind:             "change",
 					Group:            g.Name(),
 					Permissions:      &perms,
-					RTCConfiguration: group.ICEConfiguration(),
+					RTCConfiguration: ice.ICEConfiguration(),
 				})
 				if !c.permissions.Present {
 					up := getUpConns(c)
@@ -1084,7 +1085,7 @@ func handleClientMessage(c *webClient, m clientMessage) error {
 			Kind:             "join",
 			Group:            m.Group,
 			Permissions:      &perms,
-			RTCConfiguration: group.ICEConfiguration(),
+			RTCConfiguration: ice.ICEConfiguration(),
 		})
 		if err != nil {
 			return err