public override void ChannelInactive(IChannelHandlerContext context)
{
var remoteServerEndpoint = context.Channel.RemoteAddress as IPEndPoint;
if (remoteServerEndpoint != null)
{
_healthCheck.RemoveAddress(remoteServerEndpoint.Address.MapToIPv4(), remoteServerEndpoint.Port);
}
}
public async Task <RemoteResultMessage> Invoke(RemoteInvokeMessage remoteInvokeMessage,
GovernanceOptions governanceOptions, string hashKey = null)
{
var serviceRoute = _serviceRouteCache.GetServiceRoute(remoteInvokeMessage.ServiceId);
if (serviceRoute == null)
{
throw new LmsException($"通过{remoteInvokeMessage.ServiceId}找不到服务路由", StatusCode.NotFindServiceRoute);
}
if (!serviceRoute.Addresses.Any(p => p.Enabled))
{
throw new NotFindServiceRouteAddressException($"通过{remoteInvokeMessage.ServiceId}找不到可用的服务提供者");
}
var addressSelector =
EngineContext.Current.ResolveNamed <IAddressSelector>(governanceOptions.ShuntStrategy.ToString());
var selectedAddress =
addressSelector.Select(new AddressSelectContext(remoteInvokeMessage.ServiceId, serviceRoute.Addresses,
hashKey));
bool isInvakeSuccess = true;
var sp = Stopwatch.StartNew();
try
{
_remoteServiceSupervisor.Monitor((remoteInvokeMessage.ServiceId, selectedAddress),
governanceOptions);
var client = await _transportClientFactory.GetClient(selectedAddress);
//RpcContext.GetContext().SetAttachment("localAddress", NetUtil.GetRpcAddressModel().ToString());
RpcContext.GetContext().SetAttachment("remoteAddress", selectedAddress.ToString());
return(await client.SendAsync(remoteInvokeMessage, governanceOptions.ExecutionTimeout));
}
catch (IOException ex)
{
Logger.LogError($"服务提供者{selectedAddress}不可用,IO异常,原因:{ex.Message}");
_healthCheck.RemoveAddress(selectedAddress);
isInvakeSuccess = false;
throw new CommunicatonException(ex.Message, ex.InnerException);
}
catch (ConnectException ex)
{
Logger.LogError($"与服务提供者{selectedAddress}链接异常,原因:{ex.Message}");
MarkAddressFail(governanceOptions, selectedAddress);
isInvakeSuccess = false;
throw new CommunicatonException(ex.Message, ex.InnerException);
}
catch (ChannelException ex)
{
Logger.LogError($"与服务提供者{selectedAddress}通信异常,原因:{ex.Message}");
MarkAddressFail(governanceOptions, selectedAddress);
isInvakeSuccess = false;
throw new CommunicatonException(ex.Message, ex.InnerException);
}
catch (TimeoutException ex)
{
Logger.LogError($"与服务提供者{selectedAddress}执行超时,原因:{ex.Message}");
MarkAddressFail(governanceOptions, selectedAddress, true);
isInvakeSuccess = false;
throw;
}
finally
{
sp.Stop();
if (isInvakeSuccess)
{
_remoteServiceSupervisor.ExecSuccess((remoteInvokeMessage.ServiceId, selectedAddress),
sp.Elapsed.TotalMilliseconds);
}
else
{
_remoteServiceSupervisor.ExceFail((remoteInvokeMessage.ServiceId, selectedAddress),
sp.Elapsed.TotalMilliseconds);
}
}
}