[英]Service Fabric service with WCF communication deployment
這是一個帶有 WCF 通信的簡單 Service Fabric 無狀態服務,它是一個客戶端 - 一個控制台應用程序。 它在本地集群上運行良好,客戶端從服務獲得響應。 但是如果我將它部署在雲中,我不知道如何與服務通信。 我應該怎么做才能從控制台應用程序訪問它?
SF 無狀態服務與 WCF 通信:
合同:
[ServiceContract]
public interface IPresidentialService
{
[OperationContract]
Task<string> GetInfo();
}
服務:
internal sealed class PresidentialService : StatelessService, IPresidentialService
{
public PresidentialService(StatelessServiceContext context) : base(context)
{
}
public Task<string> GetInfo() => Task.FromResult($"Node {Context.NodeContext.NodeName} operating");
protected override IEnumerable<ServiceInstanceListener> CreateServiceInstanceListeners()
{
return new[]
{
new ServiceInstanceListener(context =>
new WcfCommunicationListener<IPresidentialService>(wcfServiceObject: this, serviceContext: context,
endpointResourceName: "WcfServiceEndpoint",
listenerBinding: WcfUtility.CreateTcpListenerBinding()))
};
}
}
}
客戶端控制台應用程序:
WCF客戶端:
public class PresidentialServiceClient : ServicePartitionClient<WcfCommunicationClient<IPresidentialService>>
{
public PresidentialServiceClient(
ICommunicationClientFactory<WcfCommunicationClient<IPresidentialService>> communicationClientFactory,
Uri serviceUri, ServicePartitionKey partitionKey = null,
TargetReplicaSelector targetReplicaSelector = TargetReplicaSelector.Default, string listenerName = null,
OperationRetrySettings retrySettings = null) : base(communicationClientFactory, serviceUri, partitionKey,
targetReplicaSelector, listenerName, retrySettings)
{
}
public Task<string> GetInfo() => InvokeWithRetryAsync(client => client.Channel.GetInfo());
}
客戶端應用程序:
private static void Main(string[] args)
{
var binding = WcfUtility.CreateTcpClientBinding();
var partitionResolver = ServicePartitionResolver.GetDefault();
var wcfClientFactory =
new WcfCommunicationClientFactory<IPresidentialService>(binding,
servicePartitionResolver: partitionResolver);
var serviceUri = new Uri("fabric:/Application5/PresidentialService");
var client = new PresidentialServiceClient(wcfClientFactory, serviceUri, ServicePartitionKey.Singleton);
do
{
Console.WriteLine(client.GetInfo().Result);
Console.ReadKey();
} while (true);
}
添加到ServiceManifest.xml
:
<Endpoints>
<Endpoint Name="WcfServiceEndpoint" />
</Endpoints>
更新
更改了ServicePartitionResolver
:
var partitionResolver = new ServicePartitionResolver("sfapp.westeurope.cloudapp.azure.com:19000");
還是不行。
更新
為 TCP 端口 777 添加了負載均衡器規則。
當服務在雲中運行時,您無法使用默認解析器。
默認的 ServicePartitionResolver 假定客戶端與服務在同一個集群中運行。 如果不是這種情況,請創建一個 ServicePartitionResolver 對象並傳入集群連接端點。
嘗試類似的東西
ServicePartitionResolver resolver = new ServicePartitionResolver("mycluster.cloudapp.azure.com:19000");
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