带有OWIN自主机侦听器的Azure服务结构
在我的一个无状态服务中,我希望包括两个侦听器:带有OWIN自主机侦听器的Azure服务结构,azure,owin,azure-service-fabric,self-host-webapi,Azure,Owin,Azure Service Fabric,Self Host Webapi,在我的一个无状态服务中,我希望包括两个侦听器: 服务结构为服务之间的内部通信提供的侦听器 根据示例()实现的基于OWIN自主机的侦听器 当我尝试以标准方式注册创建的侦听器时,我遇到一个问题,即基于OWIN的侦听器在初始化后自动关闭: 负责注册服务的部分: protected override IEnumerable<ServiceReplicaListener> CreateServiceReplicaListeners() {
- 服务结构为服务之间的内部通信提供的侦听器
- 根据示例()实现的基于OWIN自主机的侦听器
protected override IEnumerable<ServiceReplicaListener> CreateServiceReplicaListeners()
{
return new List<ServiceReplicaListener>
{
new ServiceReplicaListener(parameters => new OwinCommunicationListener("account",new Startup(), parameters)),
new ServiceReplicaListener(parameters => new ServiceRemotingListener<AccountService>(parameters, this))
};
}
protectedoverride IEnumerable CreateServiceReplicaListeners()
{
返回新列表
{
新建ServiceReplicaListener(参数=>新建OwinCommunicationListener(“帐户”,新启动(),参数)),
新建ServiceReplicaListener(参数=>new ServiceRemotingListener(参数,此))
};
}
ServiceManifest端口设置:
<Resources>
<Endpoints>
<Endpoint Name="ServiceEndpoint" />
<Endpoint Name="WebApiEndpoint" Type="Input" Protocol="http" Port="8083"/>
<Endpoint Name="ReplicatorEndpoint" />
</Endpoints>
</Resources>
Ow独立通信侦听器:
public class OwinCommunicationListener: ICommunicationListener
{
private readonly IOwinAppBuilder startup;
private readonly string appRoot;
private IDisposable serverHandle;
private string listeningAddress;
private readonly ServiceInitializationParameters serviceInitializationParameters;
public OwinCommunicationListener(string appRoot, IOwinAppBuilder startup, ServiceInitializationParameters serviceInitializationParameters)
{
this.startup = startup;
this.appRoot = appRoot;
this.serviceInitializationParameters = serviceInitializationParameters;
}
public Task<string> OpenAsync(CancellationToken cancellationToken)
{
EndpointResourceDescription serviceEndpoint = serviceInitializationParameters.CodePackageActivationContext.GetEndpoint("WebApiEndpointB");
int port = serviceEndpoint.Port;
listeningAddress = string.Format(CultureInfo.InvariantCulture,"http://+:{0}/{1}",port,string.IsNullOrWhiteSpace(appRoot)? string.Empty: appRoot.TrimEnd('/') + '/');
serverHandle = WebApp.Start(listeningAddress, appBuilder => startup.Configuration(appBuilder));
string publishAddress = listeningAddress.Replace("+", FabricRuntime.GetNodeContext().IPAddressOrFQDN);
ServiceEventSource.Current.Message("Listening on {0}", publishAddress);
return Task.FromResult(publishAddress);
}
...
}
公共类OwinCommunicationListener:ICommunicationListener
{
私有只读IOwinAppBuilder启动;
私有只读字符串批准;
私有IDisposable服务器句柄;
私有字符串ListingAddress;
专用只读ServiceInitializationParameters ServiceInitializationParameters;
公共OwinCommunicationListener(字符串批准、IOwinAppBuilder启动、ServiceInitializationParameters ServiceInitializationParameters)
{
this.startup=启动;
this.approt=approt;
this.serviceInitializationParameters=serviceInitializationParameters;
}
公共任务OpenAsync(CancellationToken CancellationToken)
{
EndpointResourceDescription serviceEndpoint=serviceInitializationParameters.CodePackageActivationContext.GetEndpoint(“WebApiEndpointB”);
int-port=serviceEndpoint.port;
listeningAddress=string.Format(CultureInfo.InvariantCulture,“http://+:{0}/{1}”,端口,string.IsNullOrWhiteSpace(Approt)?string.Empty:Approt.TrimEnd('/')+'/');
serverHandle=WebApp.Start(ListingAddress,appBuilder=>startup.Configuration(appBuilder));
string publishAddress=ListingAddress.Replace(“+”,FabriRuntime.GetNodeContext().IPAddressOrFQDN);
ServiceEventSource.Current.Message(“侦听{0}”,publishAddress);
返回Task.FromResult(publishAddress);
}
...
}
如何解决此问题并注册这两个侦听器?当您有多个侦听器时,必须为它们指定唯一的名称。您的服务可能因此而失败,这将导致它一次又一次地打开和关闭:
protected override IEnumerable<ServiceReplicaListener> CreateServiceReplicaListeners()
{
return new List<ServiceReplicaListener>
{
new ServiceReplicaListener(parameters => new OwinCommunicationListener("account",new Startup(), parameters), "accountListener"),
new ServiceReplicaListener(parameters => new ServiceRemotingListener<AccountService>(parameters, this), "remotingListener")
}
}
protectedoverride IEnumerable CreateServiceReplicaListeners()
{
返回新列表
{
新的ServiceReplicaListener(参数=>new OwinCommunicationListener(“帐户”,new Startup(),参数),“accountListener”),
新建ServiceReplicaListener(参数=>new ServiceRemotingListener(参数,this),“remotingListener”)
}
}