Signaling for multi user chats

The following messages are sent to the server:

// join the room. has to be sent before any other message.
// response will be 'joined' on success
// other peers in the room will get 'peer_joined'
{
  "type": "join",
  "status": { .. status .. }
}

// leave the room. server will close the connectino.
{
  "type": "leave"
}

// update status object
// other peers will get 'peer_status'
{
  "type": "status",
  "status": { .. status .. }
}

// send message to a peer. will be received as 'from'
{
  "type": "to",
  "peer": "peer_id",
  "event": "event_id",
  "data": { .. custom data .. }
}

The following messages are received form the server:

// joined the room. is the response to 'join'
{
  "type": "joined",
  "id": "own_id",
  "peers": {
    "peer_id": { .. status .. }
  }
}

// another peer joined the room.
{
  "type": "peer_joined",
  "peer": "peer_id",
  "status": { .. status .. }
}

// anosther peer updated its status object using 'status'
{
  "type": "peer_status",
  "peer": "peer_id",
  "status": { .. status .. }
}

// another peer left the room
{
  "type": "peer_left",
  "peer": "peer_id"
}

// message from another peer sent by 'to'
{
  "type": "from",
  "peer": "peer_id",
  "event": "event_id",
  "data": { .. custom data .. }
}

The messages transmitted in the to/from messages are emitted as events in MucSignalingPeer