public void Dispose()
{
if (Context != null)
{
try
{
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "Dispose", "开始消费者资源释放");
if (Context != null)
{
Context.Dispose();
}
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "Dispose", "消费者上下文资源释放成功");
}
catch (Exception exp)
{
ErrorLogHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "Dispose", "消费者资源释放出错", exp);
throw new BusinessMQException("释放订阅客户端消息处理资源失败", exp);
}
finally
{
try
{
ConsumerBLL bll = new ConsumerBLL();
//取消注册
SqlHelper.ExcuteSql(Config.ManageConnectString, (c) =>
{
bll.RemoveConsumer(c, Context.ConsumerInfo.ConsumerModel.tempid, Context.ConsumerInfo.ConsumerModel.consumerclientid);
});
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "Dispose", "消费者注销注册信息成功");
LogHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "Dispose", "消费者资源释放成功");
}
catch (Exception exp1)
{
ErrorLogHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "Dispose", "消费者资源释放出错", exp1);
throw new BusinessMQException("移除订阅客户端注册信息失败", exp1);
}
finally
{
Context = null;
}
}
}
}
private void GetMessagesFromPartitions()
{
foreach (var partition in Context.ConsumerInfo.ConsumerPartitionModels)
{
if (cancelSource.IsCancellationRequested)
{
break;
}
try
{
if (errorpartitions.ContainsKey(partition.partitionid))
{
throw new BusinessMQException("分区消息处理出现错误", errorpartitions[partition.partitionid]);
}
var scanlastmqid = _lastpullququeiddic[partition.partitionid]; //上次扫描的mqid
var mqidinfo = PartitionRuleHelper.GetMQIDInfo(scanlastmqid); //解析上次扫描的mqid信息
ConsumerBLL consumerbll = new ConsumerBLL(); var partionidinfo = PartitionRuleHelper.GetPartitionIDInfo(partition.partitionid); //解析分区信息
string datanodeconnectstring = consumerbll.GetDataNodeConnectString(SystemParamConfig.Consumer_DataNode_ConnectString_Template, Context.ConsumerInfo.DataNodeModelDic[partionidinfo.DataNodePartition]); //获取节点连接
var messages = GetMessagesOfPatition(partition, scanlastmqid, mqidinfo, datanodeconnectstring, partionidinfo);
if (messages.Count > 0)
{
ConsumeMessages(messages, partition, mqidinfo);
}
else
{
CheckIfScanNewTable(partition, mqidinfo, datanodeconnectstring, partionidinfo);
}
}
catch (Exception exp)
{
ErrorLog.Write(string.Format("MQ消费者端消息循环出错,clientid:{0},partitionid:{1}", partition.consumerclientid, partition.partitionid), exp);
}
}
}
private void RegisterConsumerInfo()
{
ConsumerBLL bll = new ConsumerBLL();
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "消费者开始注册消费者信息");
//注册消费者
SqlHelper.ExcuteSql(Config.ManageConnectString, (c) =>
{
try
{
//c.BeginTransaction();
//取消注册用户信息
if (Context.ConsumerInfo != null && Context.ConsumerInfo.ConsumerModel != null)
{
bll.RemoveConsumer(c, Context.ConsumerInfo.ConsumerModel.tempid, Context.ConsumerInfo.ConsumerModel.consumerclientid);
}
Context.ConsumerInfo = new ConsumerInfo(); Context.ConsumerInfo.ConsumerPartitionModels = new List <Model.tb_consumer_partition_model>();
//注册并获取clientid
Context.ConsumerInfo.ConsumerClientModel = bll.RegisterClient(c, Client);
if (Context.ConsumerInfo.ConsumerClientModel == null)
{
throw new BusinessMQException("客户端注册client失败！");
}
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "注册并获取clientid成功");
//清理过期不心跳消费端,并检验partitionindex不重复,并注册消费者
Context.ConsumerInfo.ConsumerModel = bll.RegisterConsumer(c, Context.ConsumerInfo.ConsumerClientModel.id, ClientName, PartitionIndexs);
if (Context.ConsumerInfo.ConsumerModel == null)
{
throw new BusinessMQException("当前客户端注册consumer失败！");
}
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "清理过期不心跳消费端,并检验partitionindex不重复,并注册消费者成功");
//消费者订阅队列信息
Context.ConsumerInfo.MQPathModel = bll.GetMQPath(c, this.MQPath);
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "消费者订阅队列信息");
//注册并更新消费者端分区信息
foreach (var partitionindex in PartitionIndexs)
{
var model = bll.RegisterConsumerPartition(c, Context.ConsumerInfo.ConsumerClientModel.id, partitionindex, MQPath, Context.ConsumerInfo.ConsumerModel.tempid);
if (model != null)
{
Context.ConsumerInfo.ConsumerPartitionModels.Add(model);
}
}
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "注册并更新消费者端分区信息");
//获取分区节点信息缓存
List <int> datanodepartition = new List <int>();
foreach (var p in Context.ConsumerInfo.ConsumerPartitionModels)
{
var partitionidinfo = PartitionRuleHelper.GetPartitionIDInfo(p.partitionid);
if (!datanodepartition.Contains(partitionidinfo.DataNodePartition))
{
datanodepartition.Add(partitionidinfo.DataNodePartition);
}
}
Context.ConsumerInfo.DataNodeModelDic = bll.GetDataNodeModelsDic(c, datanodepartition);
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "获取分区节点信息缓存");
//校准服务器时间
Context.ManageServerTime = c.GetServerDate();
//c.Commit();
}
catch (Exception exp)
{
//c.Rollback();
throw exp;
}
});
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "注册消费者信息完毕");
//获取系统配置信息
ConfigHelper.LoadConfig(Config.ManageConnectString);
DebugHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "RegisterConsumerInfo", "获取系统配置信息");
}
