private void InitNewQmqClients(bool forceLoad = false)
{
var clusterInfo = _isDelayMessage ? _brokerGroupService.DelayProducerGetSubjectCluster(_subject, forceLoad) : _brokerGroupService.ProducerGetSubjectCluster(_subject, forceLoad);
foreach (var brokerGroup in clusterInfo.BrokerGroups.Values)
{
ClientManager.GetOrCreate(brokerGroup);
}
_avaliable = true;
_waitAvaliable.Set();
}
private NewQmqClient SelectWritableClient(string subject, bool forceRefreshBrokerGroup, bool isDelayMessage)
{
var cluster = isDelayMessage ? _brokerGroupService.DelayProducerGetSubjectCluster(subject, forceRefreshBrokerGroup) : _brokerGroupService.ProducerGetSubjectCluster(subject, forceRefreshBrokerGroup);
if (cluster.BrokerGroups.Count == 0)
{
return(null);
}
var brokerGroups = cluster.BrokerGroups.Values.Where(BrokerGroup.IsWritable).ToList();
if (brokerGroups.Count == 0)
{
return(null);
}
// First of all, random select a client.
// If random selected client is not writable, then select first writable client.
var randBrokerGroup = brokerGroups.ElementAt(StaticRandom.NextRand(brokerGroups.Count));
var randClient = _clientManager.GetOrCreate(randBrokerGroup);
if (randClient.Writtable)
{
return(randClient);
}
return(brokerGroups.Select(brokerGroup => _clientManager.GetOrCreate(brokerGroup))
.FirstOrDefault(client => client.Writtable));
}
