/// <summary>
/// 核心执行
/// </summary>
private void DoRun()
{
try
{
//这里做兼容，从不同地址获取配置信息
List <GrpcService> listServ = null;
#if NETCORE
IOptionsMonitor <List <GrpcService> > grpcServices = _serviceProvider.GetRequiredService <IOptionsMonitor <List <GrpcService> > >();
listServ = grpcServices.CurrentValue;
#else
listServ = GrpcServiceWrapper.Services;
#endif
if (listServ == null || !listServ.Any())
{
_serviceDiscovery.CleanTarget();
_endpointStrategy.ShutDownAll();
return;
} //如果没有配置，则清理所有
var haveTargetKeys = _endpointStrategy.Targets;
var serviceNames = listServ
.OrderByDescending(s => s.IsDiscovery)
.Select(s => s.ServiceName)
.Where(s => !string.IsNullOrEmpty(s))
.Distinct(); //服务发现优先
foreach (var serviceName in serviceNames)
{
List <EndpointModel> healthTarget = null;
var service = listServ.Where(s => s.ServiceName == serviceName);
var discoveryServ = service.Where(s => s.IsDiscovery).FirstOrDefault();
if (discoveryServ != null)
{
healthTarget = _serviceDiscovery.SaveServiceEndpoint(discoveryServ.ServiceName);
} //优先处理 服务发现
else
{
healthTarget = service
.Where(s => !s.IsDiscovery)
.Select(s => new EndpointModel
{
IsDisconvry = false,
Host = s.Host,
Port = s.Port
}).ToList();
_serviceDiscovery.SaveFindServiceEndpoint(serviceName, healthTarget);
} //如果本机服务存在
if (healthTarget == null)
{
healthTarget = new List <EndpointModel>();
}
//处理健康地址
var oldTargetKeys = haveTargetKeys.Where(t => _endpointStrategy.IsExistService(t, serviceName)).ToList();
var healthTargetKeys = healthTarget.Select(h => _endpointStrategy.GetCallInvokerKey(serviceName, h.ToString())).ToList();
//求出不存在的
var unHealthTargetKey = oldTargetKeys.Except(healthTargetKeys);
_endpointStrategy.Revoke(unHealthTargetKey.ToArray()); //不健康的剔除
_endpointStrategy.Create(healthTargetKeys.ToArray()); //健康的创建
}
//释放
haveTargetKeys.Clear();
}
catch (Exception ex)
{
CommonUtilsHelper._.LoggerWriter.Invoke(string.Format("[客户端守护线程]发生异常 {0}", ex.Message), ex);
}
}
