private async Task RegisterService()
{
var _node_id = this.Client.getSessionId().ToString();
var list = this._contracts.Invoke().Select(x => new AddressModel()
{
Url = x.Url,
ServiceNodeName = ServiceManageHelper.ParseServiceName(x.Contract),
EndpointNodeName = ServiceManageHelper.EndpointNodeName(_node_id),
}).ToList();
var now = DateTime.Now;
foreach (var m in list)
{
m.UpdateTime = now;
var service_path = this._base_path + "/" + m.ServiceNodeName;
await this.Client.EnsurePersistentPath(service_path);
var path = service_path + "/" + m.EndpointNodeName;
var data = this._serializer.Serialize(m);
if (await this.Client.ExistAsync_(path))
{
//如果节点存在，就刷新节点数据
await this.Client.setDataAsync(path, data);
}
else
{
//创建临时节点，服务端下线自动删除
await this.Client.CreateNode_(path, CreateMode.EPHEMERAL, data);
}
}
}
public AddressModel Resolve <T>(TimeSpan?timeout = null)
{
var name = ServiceManageHelper.ParseServiceName <T>();
var list = this.AllService(timeout: timeout).Where(x => x.ServiceNodeName == name).ToArray();
if (ValidateHelper.IsNotEmpty(list))
{
//这里用thread local比较好，一个线程共享一个随机对象
lock (this._ran)
{
var theone = this._ran.Choice(list) ?? throw new DataNotExistException("server information is empty");
//根据权重选择
//this._ran.ChoiceByWeight(list, x => x.Weight);
this.OnServerSelected?.Invoke(theone);
return(theone);
}
}
return(null);
}