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
}
func (m Engine) Publish(request protocol.Message) {
requestingClient := m.clients.GetClient(request.ClientId())
if requestingClient == nil {
m.logger.Warnf("PUBLISH from unknown client %s", request)
} else {
response := m.responseFromRequest(request)
response["successful"] = true
data := request["data"]
channel := request.Channel()
m.clients.GetClient(request.ClientId()).Queue(response)
go func() {
// Prepare msg to send to subscribers
msg := protocol.Message{}
msg["channel"] = channel.Name()
msg["data"] = data
// TODO: Missing ID
msg.SetClientId(request.ClientId())
// Get clients with subscriptions
recipients := m.clients.GetClients(channel.Expand())
m.logger.Debugf("PUBLISH from %s on %s to %d recipients", request.ClientId(), channel, len(recipients))
// Queue messages
for _, c := range recipients {
m.clients.GetClient(c).Queue(msg)
}
}()
}
}
func (m Engine) Disconnect(request protocol.Message, client *protocol.Client, conn protocol.Connection) {
response := m.responseFromRequest(request)
response["successful"] = true
clientId := request.ClientId()
m.logger.Debugf("Client %s disconnected", clientId)
}