/// <summary>
/// //顺序轮询节点获取节点及分区,从而达到负载均衡的目的
/// </summary>
/// <param name="sendmessagecount"></param>
/// <returns></returns>
public LoadBalanceNodeInfo GetLoadBalanceNodeInfo()
{
try
{
lock (_operatorlock)
{
LoadBalanceNodeInfo info = new LoadBalanceNodeInfo();
var p = LoadBalance.GetLoadBalancePartitionInfo();
if (p == null)
return null;
var partitionidinfo = PartitionRuleHelper.GetPartitionIDInfo(p.PartitionId);
info.DataNodeModel = DataNodeModelDic[partitionidinfo.DataNodePartition]; info.MQPathPartitionModel = p.MQPathParitionModel;
return info;
}
}
catch (Exception exp)
{
ErrorLogHelper.WriteLine(-1, "", "GetLoadBalanceNodeInfo", "生产者负载均衡出错", exp);
throw exp;
}
}
/// <summary>
/// //顺序轮询节点获取节点及分区,从而达到负载均衡的目的
/// </summary>
/// <param name="sendmessagecount"></param>
/// <returns></returns>
public LoadBalanceNodeInfo GetLoadBalanceNodeInfo()
{
try
{
lock (_operatorlock)
{
LoadBalanceNodeInfo info = new LoadBalanceNodeInfo();
var p = LoadBalance.GetLoadBalancePartitionInfo();
if (p == null)
{
return(null);
}
var partitionidinfo = PartitionRuleHelper.GetPartitionIDInfo(p.PartitionId);
info.DataNodeModel = DataNodeModelDic[partitionidinfo.DataNodePartition]; info.MQPathPartitionModel = p.MQPathParitionModel;
return(info);
}
}
catch (Exception exp)
{
ErrorLogHelper.WriteLine(-1, "", "GetLoadBalanceNodeInfo", "生产者负载均衡出错", exp);
throw exp;
}
}
/// <summary>
/// 发送消息
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="objmsg"></param>
public void SendMessage <T>(T objmsg)
{
try
{
var json = "";
ProducterTimeWatchInfo.JsonHelperSerializer += Log.TimeWatchLog.Debug(() =>
{
if (!(objmsg is string))
{
json = new Serialization.JsonHelper().Serializer(objmsg);
}
else
{
json = objmsg as string;
}
});
//发送消息有n次重试机会
int errortrycount = 0;
while (errortrycount < Context.ProducterInfo.LoadBalance.SendMessageErrorTryAgainCount)
{
LoadBalanceNodeInfo loadbalancenodeinfo = null;
ProducterTimeWatchInfo.GetLoadBalanceNodeInfo += Log.TimeWatchLog.Debug(() =>
{
loadbalancenodeinfo = Context.ProducterInfo.GetLoadBalanceNodeInfo();
});
if (loadbalancenodeinfo == null)
{
throw new BusinessMQException(string.Format("无法获取队列{0}的可用的负载均衡数据节点", MQPath));
}
string datanodeconnectstring = new ProducterBLL().GetDataNodeConnectString(SystemParamConfig.Producter_DataNode_ConnectString_Template_ToSendMessage, loadbalancenodeinfo.DataNodeModel);
var partitionidinfo = PartitionRuleHelper.GetPartitionIDInfo(loadbalancenodeinfo.MQPathPartitionModel.partitionid);
var manageservertime = Context.ManageServerTime;//.AddSeconds(1);发送消息要比标准时间提前1s，这样消息分表可以提前1s
string tablename = PartitionRuleHelper.GetTableName(partitionidinfo.TablePartition, manageservertime);
try
{
ProducterTimeWatchInfo.SendMessage += Log.TimeWatchLog.Debug(() =>
{
double inserttime = 0;
double allinserttime = Log.TimeWatchLog.Debug(() =>
{
inserttime = Log.TimeWatchLog.Debug(() =>
{
tb_messagequeue_dal dal = new tb_messagequeue_dal();
dal.TableName = tablename;
SqlHelper.ExcuteSql(datanodeconnectstring, (c) =>
{
dal.Add2(c, new tb_messagequeue_model()
{
message = json,
mqcreatetime = DateTime.Now,
sqlcreatetime = manageservertime
,
source = (int)EnumMessageSource.Common,
state = (int)EnumMessageState.CanRead
});
});
});
});
//ProducterTimeWatchTest.AddMessages(string.Format("总插入消息:{0}s,插入消息:{1}s",allinserttime,inserttime));
});
NetCommand.SendMessage(mqpath);
return;
}
catch (SqlException exp)
{
ErrorLogHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "SendMessage", string.Format("发送消息出现节点错误,节点:{0}", loadbalancenodeinfo.DataNodeModel.datanodepartition), exp);
Context.ProducterInfo.RemoveMQPathPartition(loadbalancenodeinfo.DataNodeModel.datanodepartition);//数据层出错视为数据节点异常，则移除。将在一定时间内尝试恢复
Context.ProducterInfo.LoadBalance.AddError(new ErrorLoadBalancePartitionInfo()
{
PartitionId = loadbalancenodeinfo.MQPathPartitionModel.partitionid, PartitionIndex = loadbalancenodeinfo.MQPathPartitionModel.partitionindex
});
//Context.IsNeedReload = true;
if (Context.SendMessageErrorTime == null)
{
Context.SendMessageErrorTime = DateTime.Now;
}
}
errortrycount++;
}
throw new BusinessMQException(string.Format("发送消息出现系统级错误,并超过重试次数,请检查。队列:{0}", MQPath));
}
catch (Exception exp)
{
ErrorLogHelper.WriteLine(Context.GetMQPathID(), Context.GetMQPath(), "SendMessage", "生产者发送消息出错", exp);
throw exp;
}
}
