//Host want to register on server. data contains host login
//If host successfully registered, than send to client message "RIGESTER_SUCCESS".
//If host with specified login already exist on server, than send "REGISTER_FAIL"
//with "login exist" in data field
func actHostRegister(data *interface{}, client *wserver.Client) {
hostLogin := (*data).(string)
new_host := NewHost(hostLogin, client)
ok := hostConnections.Add(new_host)
if !ok {
client.SendJson(&Action{"REGISTER_FAIL", "login exist"})
} else {
client.SendJson(&Action{"REGISTER_SUCCESS", ""})
}
}
//Client connects to host. Client and host send messages to each other
//and server doesn't process these messages, just forwards them
func actSelectHost(data *interface{}, client *wserver.Client) {
name, _ := (*data).(string)
host, ok := hostConnections.GetByLogin(name)
if !ok {
client.SendJson(&Action{"SELECT_FAIL", "host not exist"})
return
}
host.Lock()
defer func() {
host.Unlock()
log.Println("-----------UNLOCK")
}()
if host.Active {
client.SendJson(&Action{"SELECT_FAIL", "host busy"})
return
}
host.Active = true
host.Conn.SendJson(&Action{"CLIENT_CONNECT", ""})
log.Println("-----------LOCKED1")
host.Wait()
log.Println("-----------LOCKED2")
if host.Active == false {
client.SendJson(&Action{"SELECT_FAIL", "denied"})
return
}
host.Conn.SetOnmessage(copyMessage(client))
client.SetOnmessage(copyMessage(host.Conn))
chRelay.Add(client, host)
client.SendJson(&Action{"SELECT_SUCCESS", ""})
}
//Client requests data about avaliable host.
//Server sends message "AVALIABLE_HOSTS" with hostInfo in data field
func actGetHosts(data *interface{}, client *wserver.Client) {
hosts := hostConnections.getInfo()
client.SendJson(&Action{"AVALIABLE_HOSTS", hosts})
}