实例化多个 WCF 服务
本文关键字:服务 WCF 实例化 | 更新日期: 2023-09-27 18:30:22
假设您正在通过 WCF 服务控制一组工业设备。每个设备都将承载自己的 WCF 服务。让我们将此通用 WCF 服务称为MyDeviceController
我想编写一次并在每台设备上部署。但是,出于测试目的,我还希望将所有 WCF 实例部署在一个本地机器上。
在此上下文下,如何部署本地和多个框的 WCF 服务的多个实例?
如果我太含糊不清,请帮我澄清我的问题。我非常乐意编辑它。
我曾经写过一个易于处理的服务主机:
public static class SimpleServiceHost<ServiceContract, Service>
{
private static Thread hostThread;
private static object _lockStart = new object();
private static object _lockStop = new object();
public static bool IsRunning { get; set; }
public static void WaitUntilIsStarted()
{
while (!IsRunning)
{
Thread.Sleep(100);
}
}
public static void Start(Binding binding, string host, string path, int port)
{
var serviceUri = new UriBuilder(binding.Scheme, host, port, path).Uri;
Start(binding, serviceUri);
}
public static void Start(Binding binding, Uri serviceUri)
{
lock (_lockStart)
{
if (hostThread == null || !hostThread.IsAlive)
{
hostThread = new System.Threading.Thread(() =>
{
using (ServiceHost internalHost = new ServiceHost(typeof(Service)))
{
internalHost.Faulted += new EventHandler((o, ea) =>
{
IsRunning = false;
throw new InvalidOperationException("The host is in the faulted state!");
});
internalHost.AddServiceEndpoint(typeof(ServiceContract), binding, serviceUri);
try
{
internalHost.Open();
IsRunning = true;
}
catch
{
IsRunning = false;
}
while (true)
Thread.Sleep(100);
}
});
}
hostThread.Start();
}
}
public static void Stop()
{
lock (_lockStart)
{
lock (_lockStop)
{
hostThread.Abort();
IsRunning = false;
}
}
}
}
因此,如果您愿意使用多个合约,您可以像这样调用:
SimpleServiceHost<IService, Service>.Start(new BasicHttpBinding(), "localhost", "TestService", 8086);
否则,使我的服务主机像工厂一样工作,并在调用 start 时返回实例。您可能需要增强课程以满足您的要求。但是您节省了大量代码,尤其是当您需要动态托管多个服务时;-)
问候一月