// 从peer获取rpc使用的session
func getPeerSession(p interface{}) (cellnet.Session, cellnet.EventQueue, error) {
var ses cellnet.Session
switch p.(type) {
case cellnet.Peer:
if connPeer, ok := p.(interface {
DefaultSession() cellnet.Session
}); ok {
ses = connPeer.DefaultSession()
} else {
return nil, nil, errInvalidPeerSession
}
case cellnet.Session:
ses = p.(cellnet.Session)
}
if ses == nil {
return nil, nil, errConnectorSesNotReady
}
return ses, ses.FromPeer().(cellnet.EventQueue), nil
}
