func (m Engine) Handshake(request protocol.Message, conn protocol.Connection) string {
newClientId := ""
version := request["version"].(string)
response := m.responseFromRequest(request)
response["successful"] = false
if version == protocol.BAYEUX_VERSION {
newClientId = m.NewClient(conn).Id()
response.Update(map[string]interface{}{
"clientId": newClientId,
"channel": protocol.META_PREFIX + protocol.META_HANDSHAKE_CHANNEL,
"version": protocol.BAYEUX_VERSION,
"advice": protocol.DEFAULT_ADVICE,
"supportedConnectionTypes": []string{"websocket", "long-polling"},
"successful": true,
})
} else {
response["error"] = fmt.Sprintf("Only supported version is '%s'", protocol.BAYEUX_VERSION)
}
// Answer directly
conn.Send([]protocol.Message{response})
return newClientId
}
func (s Server) GetClient(request protocol.Message, conn protocol.Connection) *protocol.Client {
clientId := request.ClientId()
client := s.engine.GetClient(clientId)
if client == nil {
s.Logger().Warnf("Message %v from unknown client %v", request.Channel(), clientId)
response := request
response["successful"] = false
response["advice"] = map[string]interface{}{"reconnect": "handshake", "interval": "1000"}
conn.Send([]protocol.Message{response})
conn.Close()
}
return client
}