private void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
try
{
GrpcFactory.ReturnInstance(transport, id);
}
catch (Exception)
{
//var x = ex;
}
}
disposed = true;
}
}
/// <summary>
/// 处理器
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public string Invoke(Dictionary <string, string> input)
{
string output;
//失败计数器 N次 就直接返回异常
int error = 0;
reStart:
try
{
BrokerRequest brokerRequest = new BrokerRequest();
brokerRequest.Input.Add(input);
output = transport.Client.broker(request: brokerRequest, options: transport.TimeOut.GetCallOptions()).Reply; //如果连接不可用，会报IO异常(重试)
}
catch (Exception ex)
{
if (ex is RpcException)//连接不可用的时候 直接销毁 从新从连接池拿
{
var sEx = (RpcException)ex;
if (sEx.StatusCode == StatusCode.Unavailable || sEx.StatusCode == StatusCode.Aborted)
{
error++;
if (error == 100) //累计3 拿不到有效连接 抛出异常 移除（此值 只是一个参考）
{
GrpcFactory.RemoveServicePool(id);
throw sEx;
}
GrpcFactory.ReturnInstance(transport, id); //归还有问题链接
transport = GrpcFactory.BorrowInstance(id);
goto reStart;
}
else if (sEx.StatusCode == StatusCode.DeadlineExceeded)
{
GrpcFactory.ReturnInstance(transport, id); //归还有问题链接
}
}
throw ex;
}
return(output);
}
/// <summary>
/// 更新服务缓存
/// </summary>
internal static void UpdateCache(string channel)
{
#region 到DNS中心取服务信息
try
{
if (channel.Equals("cron:"))
{
RefreshServiceMd5();
channel = ServiceMd5;
}
DateTime now = DateTime.Now; //获取缓存时间
GetMicroRequest request = new GetMicroRequest();
request.Request = channel;
var microList = _client.GetMicro(request: request, 30000.GetCallOptions()).Micros.ToList();
#region Micro +添加到缓存
if (microList != null && microList.Count > 0)
{
var microCaches = new List <MicroCache>();
microList.ForEach(m =>
{
microCaches.Add(new MicroCache()
{
LasTime = now,
Mi = m,
Tags = m.Name.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries).Select(t => t.Substring(0, t.Length - 7)).ToList()
});
});
_microCaches = microCaches;
#region 步服务到连接池
var scs = new List <ServiceConfig>();
_microCaches.ForEach(mc =>
{
if (!scs.Exists(s => s.Host == mc.Mi.Ip && s.Port == mc.Mi.Port))
{
scs.Add(new ServiceConfig()
{
Host = mc.Mi.Ip,
Port = mc.Mi.Port,
Timeout = mc.Mi.Timeout
});
}
});
GrpcFactory.Synchronization(scs);
#endregion
}
else
{
_microCaches.Clear();
GrpcFactory.Synchronization(new List <ServiceConfig>());
}
#endregion
}
catch
{
try
{
_channel.ShutdownAsync();
// return (null, FailMessage($"负载中心连接失败！"));
_channel = new Channel($"{SettingService.Local.IpAddress}:{SettingService.Local.Port}", ChannelCredentials.Insecure);
_client = new BrokerCenter.BrokerCenterClient(_channel);
}
catch
{
// ignored
}
}
#endregion
}
public Request(string host, int port)
{
this.id = $"{host}:{port}";
disposed = false;
transport = GrpcFactory.BorrowInstance(id);
}