public ActionResult GetServiceInstances()
{
List <ServiceInformation> serviceInformations = new List <ServiceInformation>();
TTransport transport = new TSocket(Const.SettingService.Local.IpAddress, Const.SettingService.Local.Port, 3000);
try
{
TProtocol protocol = new TBinaryProtocol(transport);
BrokerCenter.Client client = new BrokerCenter.Client(protocol);
transport.Open();
var microList = client.GetMicro(string.Empty);
if (microList != null && microList.Count > 0)
{
foreach (var service in microList)
{
if (serviceInformations.Any(it => it.Host == service.Ip && it.Port == service.Port))
{
continue;
}
ServiceInformation serviceInformation = new ServiceInformation();
serviceInformation.Tags = service.Name.Split(new string[] { "," }
, StringSplitOptions.RemoveEmptyEntries).Select(t => t.Substring(0, t.Length - 7)).ToList();
serviceInformation.Host = service.Ip;
serviceInformation.Port = service.Port;
serviceInformation.Timeout = service.Timeout;
serviceInformation.Weight = service.Weight;
serviceInformation.Nickname = service.Nickname;
serviceInformations.Add(serviceInformation);
}
}
}
finally
{
if (transport.IsOpen)
{
transport.Flush();
transport.Close();
}
transport.Dispose();
}
return(new ActionResult(true, serviceInformations));
}
/// <summary>
/// 健康检查，如果连接不上 每秒做一次尝试。
/// 尝试 errorCount 次失败，软删除。
/// 60次失败，永久删除。
/// </summary>
/// <param name="service">被检测主机信息</param>
/// <param name="errorCount">尝试 errorCount 次失败，软删除</param>
/// <returns></returns>
public static void HealthCheck(ServiceInfo service, int errorCount = 3)
{
int hc = 60; //检查次数
hCheck: //再次 心跳检测
TTransport transport = new TSocket(service.Ip, service.Port, 3000);
try
{
service.Checking = true;
transport.Open();
if (transport.IsOpen)
{
if (hc != 60)
{
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss}: ");
Console.WriteLine($"{service.Ip}:{service.Port}");
foreach (var f in service.Name.Split(','))
{
Console.WriteLine($"{f}");
}
Console.WriteLine($"{"w:" + service.Weight}");
Console.WriteLine($"恢复正常！");
Console.ResetColor();
Console.WriteLine($"----------------------------------------------------------------- ");
}
if (hc <= (60 - errorCount))
{
CheckNotice?.Invoke(service, NoticeType.RecoverHealth);
}
transport.Flush();
transport.Close();
lock (LockHelper) //防止高并发下 影响权重
{
if (!Tc.ServiceInfoList.Exists(s => s.Ip == service.Ip && s.Port == service.Port))
{
//已存在不再添加 不存在则添加
for (int i = 0; i < service.Weight; i++)
{
Tc.ServiceInfoList.Add(service);
}
}
}
}
transport.Dispose();
}
catch (Exception ex)
{
Console.WriteLine($"Error Info:{service.Ip}:{service.Port} {ex.Message}");
if (hc == 60)
{
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss}: ");
Console.WriteLine($"{service.Ip}:{service.Port}");
foreach (var f in service.Name.Split(','))
{
Console.WriteLine($"{f}");
}
Console.WriteLine($"{"w:" + service.Weight}");
Console.WriteLine($"检测中···{hc}！");
Console.ResetColor();
Console.WriteLine($"----------------------------------------------------------------- ");
}
else if (hc == (60 - errorCount))
{
Console.ForegroundColor = ConsoleColor.DarkYellow;
Console.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss}: ");
Console.WriteLine($"{service.Ip}:{service.Port}");
foreach (var f in service.Name.Split(','))
{
Console.WriteLine($"{f}");
}
Console.WriteLine($"{"w:" + service.Weight}");
Console.WriteLine($"故障恢复中···{hc}！");
Console.ResetColor();
Console.WriteLine($"----------------------------------------------------------------- ");
}
else if (hc == 0) //硬删除
{
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss}:");
Console.WriteLine($"{service.Ip}:{service.Port}");
foreach (var f in service.Name.Split(','))
{
Console.WriteLine($"{f}");
}
Console.WriteLine($"{"w:" + service.Weight}");
Console.WriteLine($"永久移除！");
Console.ResetColor();
Console.WriteLine($"----------------------------------------------------------------- ");
CheckNotice?.Invoke(service, NoticeType.OffLine);
}
if (hc == (60 - errorCount)) //三次失败之后 临时移除 ，防止更多请求转发给此服务节点
{
//临时移除 并不从配置文件移除
Tc.ServiceInfoList.RemoveAll(i => i.Ip == service.Ip && i.Port == service.Port);
CheckNotice?.Invoke(service, NoticeType.NotHealth);
}
else if (hc == 0) //硬删除
{
Dictionary <string, string> rp = new Dictionary <string, string>
{
{ "ip", service.Ip },
{ "port", service.Port.ToString() }
};
Tc.Remove(rp);
return;
}
Thread.Sleep(1000); //间隔一秒 健康检查
hc--;
transport.Dispose();
goto hCheck;
}
finally
{
if (transport.IsOpen)
{
transport.Flush();
transport.Close();
}
transport.Dispose();
service.Checking = false;
}
}