我遇到一种情况，我试图从客户端部分调用服务器端部分。
我需要同步执行此操作。不过，在我的服务器端代码中，我正在调用另一段代码，我希望该代码最多有 10 秒的时间来返回值。
如果我在 10 秒内没有响应，我想强制我自己的服务器将结果设置为 0，然后返回给客户端。
到目前为止，我的服务器端代码如下：
Public Function GetWebResult(ByVal inputParameter As Object) As WebReturnObject Implements IWebInterface.GetWebResult
Dim result As New WebReturnObject
Dim webItem As WebItem = Nothing
_timer = New Timers.Timer
AddHandler _timer.Elapsed, AddressOf HandleTimerElapsed
_timer.Interval = 10000 '10 Seconds'
_timer.AutoReset = False
_timer.Start()
webItem = GetAWebItem(inputParameter)
_timer.Stop()
result = webItem
Return result
End Function
Private Sub HandleTimerElapsed(ByVal sender as Object, ByVal e As System.Timers.ElapsedEventArgs) Handles _timer.Elapsed
'result.HasTimedOut = True'
'result.Value = 0'
'How do I then get back into GetWebResult?'
End Sub
我意识到这段代码不起作用。问题是我不确定如何在将返回值发送回客户端之前返回到 GetWebResult 来设置适当的返回值。
我已经用谷歌搜索过这个问题，但结果很少。我能找到的最好的资源是 Timers.Timer 类，但考虑到我的情况，即使这样也不是很有用。
如果有人有任何链接、建议等，我将非常感激。
I have a situation where I'm trying to, from a client-side piece, call off to a server-side piece.
I need to do this synchronously. On my server-side code, though, I'm calling off to another piece of code, which I want to have a maximum of, say, 10 seconds to return a value.
If I don't have a response within 10 seconds, I want to force my own server piece to set my result equal to 0, and return to the client.
Here's what I have on my server-side code so far:
Public Function GetWebResult(ByVal inputParameter As Object) As WebReturnObject Implements IWebInterface.GetWebResult
Dim result As New WebReturnObject
Dim webItem As WebItem = Nothing
_timer = New Timers.Timer
AddHandler _timer.Elapsed, AddressOf HandleTimerElapsed
_timer.Interval = 10000 '10 Seconds'
_timer.AutoReset = False
_timer.Start()
webItem = GetAWebItem(inputParameter)
_timer.Stop()
result = webItem
Return result
End Function
Private Sub HandleTimerElapsed(ByVal sender as Object, ByVal e As System.Timers.ElapsedEventArgs) Handles _timer.Elapsed
'result.HasTimedOut = True'
'result.Value = 0'
'How do I then get back into GetWebResult?'
End Sub
I realize this code is not functional. The problem is that I'm unsure how I would go about getting back into GetWebResult to set the appropriate return values before it is sent back to the client.
I've already Google'd this problem, and results were scant. The best resources I was able to find were the MSDN documentation on the Timers.Timer class, but even that isn't terribly useful given my situation.
If anyone has any links, suggestions, etc., I would very much appreciate it.
发布评论
评论（1）
在超时（10 秒）内异步调用该方法，无论方法调用是否完成，您都会返回
GetWebResult，然后您可以从那里返回。 示例Call the method asynchronously with a timeout (10 seconds) you'll be back in
GetWebResultirrespective of the method call completion, then you could return from there. Sample here