我试图部署一个 WebORB .NET C# ASP.NET (C#.NET) 应用程序,但我无法让它工作。它会成功运行,但它什么也没做,我觉得我犯了一些愚蠢的错误。我有一个 Flex 客户端,它应该读取来自 WebORB 服务器的数据,并且 WebORB 控制台显示 Flex 客户端已连接,因此该部分很好。C#.net 服务器应用程序不起作用。
我在下面发布了 C#.asp 服务器应用程序代码,因为我相信客户端可以正常工作。此应用程序应捕获正在运行的机器的 CPU 使用率,并将其发送到 WEBORB 服务器以允许 Flex 客户端访问。该代码来自 WebORB 网站上提供的示例。
默认.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="aspNetCCPU._Default" %>
<%
// Load a new instance of the class
aspNetCCPU.Class1 jiifjio = new aspNetCCPU.Class1();
Response.Write("Class loaded");
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
Class1.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Text;
using System.Diagnostics;
using System.Timers;
using Weborb.Util;
using Weborb.Messaging.Api.Service;
using Weborb.Messaging.Api;
using Weborb.Messaging.Server.Adapter;
namespace aspNetCCPU
{
public class Class1 : ApplicationAdapter
{
private Timer cpuReadingTimer;
private PerformanceCounter cpuCounter;
// invoked when WebORB for .NET starts up
public override bool appStart(IScope app)
{
bool appStarted = base.appStart(app);
// if application could not start for any reason, do not proceed further
if (!appStarted)
return appStarted;
// initialize performance counter
cpuCounter = new PerformanceCounter();
cpuCounter.CategoryName = "Processor";
cpuCounter.CounterName = "% Processor Time";
cpuCounter.InstanceName = "_Total";
// start thread to get CPU readings
cpuReadingTimer = new Timer(1000);
cpuReadingTimer.Elapsed += new ElapsedEventHandler(cpuReadingTimer_Elapsed);
return appStarted;
}
void cpuReadingTimer_Elapsed(object sender, ElapsedEventArgs e)
{
// ignore timer event, if there are no connected clients to the scope
if (scope.getClients().Count == 0)
return;
// get the CPU reading
float cpuUtilization = cpuCounter.NextValue();
// create an array of values to deliver to the client.
// there is only one value, but the API requires it to be an array
object[] args = new object[] { cpuUtilization };
// get an enumeration of connections to this application
IEnumerator<IConnection> connections = scope.getConnections();
while (connections.MoveNext())
{
IConnection connection = connections.Current;
// invoke client-side function to deliver CPU reading
if (connection is IServiceCapableConnection)
((IServiceCapableConnection)connection).invoke("processCPUReading", args);
}
}
}
}