public string GetGrpcService(string serviceName)
{
//拿取配置文件里配置好的grpc服务端口，其实大可不必这样，因为consul支持tcp健康，只需要ip地址+端口就可以完成健康检查
var grpcServices = GrpcSettings.Value.GrpcServices;
//获取consul里的服务地址和端口
var healthServiceID = AppFind.FindConsul(serviceName);
if (grpcServices == null || grpcServices.Count <= 0 ||
healthServiceID == null || healthServiceID.Count() <= 0)
{
return(string.Empty);
}
//健康的服务
var healthServices = new List <Framework.Entity.GrpcService>();
foreach (var service in grpcServices)
{
foreach (var health in healthServiceID)
{
if (service.ServiceID.Equals(health, StringComparison.CurrentCultureIgnoreCase))
{
healthServices.Add(service);
break;
}
}
}
if (healthServices == null || healthServices.Count() <= 0)
{
return(string.Empty);
}
//加权轮询
var services = new List <string>();
foreach (var service in healthServices)
{
services.AddRange(Enumerable.Repeat(service.IP + ":" + service.Port, service.Weight));
}
//由于这个类变成注入的单例类，balance累加，每次就会变成不同的grpc端口，即可完成负载均衡
var servicesArray = services.ToArray();
Balance = Balance % servicesArray.Length;
var grpcUrl = servicesArray[Balance];
Balance = Balance + 1;
return(grpcUrl);
}
public string GetGrpcService(string ServiceName)
{
var grpcServices = GrpcSettings.Value.GrpcServices;
var healthServiceID = AppFind.FindConsul(ServiceName);
if (grpcServices == null || grpcServices.Count() == 0 || healthServiceID == null || healthServiceID.Count() == 0)
{
return("");
}
//健康的服务
var healthServices = new List <DMS.GrpcConsul.Client.Framework.Entity.GrpcService>();
foreach (var service in grpcServices)
{
foreach (var health in healthServiceID)
{
if (service.ServiceID.Equals(health, StringComparison.CurrentCultureIgnoreCase))
{
healthServices.Add(service);
break;
}
}
}
if (healthServices == null || healthServices.Count() == 0)
{
return("");
}
//加权轮询
var services = new List <string>();
foreach (var service in healthServices)
{
services.AddRange(Enumerable.Repeat(service.IP + ":" + service.Port, service.Weight));
}
var servicesArray = services.ToArray();
Balance = Balance % servicesArray.Length;
var grpcUrl = servicesArray[Balance];
Balance = Balance + 1;
return(grpcUrl);
}
