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| Author | Forum: PowerTCP Sockets for .NET (Secure and Standard) Topic: Diagnosing timeouts |
| cambler From: Redmond, WA USA Posts: 102 Member Since: 04/14/03 |
posted July 16, 2003 1:37 PM I have an application that opens many SSL connections to a remote server. I turn AutoReceive on, and do an async send, expecting to get some data back. My timeout is a mere 10000 (10 seconds). Every now and again, 3 or 4 of my connections time out. EndReceive() is called with an exception loaded for the timeout. My current strategy is to just trap the exception, close down the socket, and do a BeginConnect() again. This tends to work fine. What I'm wondering is, is there anything else I can be doing to diagnose these timeouts? Is there any other data available that might help me determine if it's simply a case of the remote not sending back to me, or if there is any other kind of network problem involved? Thanks in advance! Christopher |
Tony Priest From: Utica, NY USA Posts: 8466 Member Since: 04/11/00 |
posted July 17, 2003 10:57 AM Not that I can think of. What happens if you play around with the timeout value? |
| cambler From: Redmond, WA USA Posts: 102 Member Since: 04/14/03 |
posted July 17, 2003 12:24 PM If a channel is going to time out, it's going to time out. As such, I set it at 10 seconds so that I don't sit around waiting. If I set it to 30 seconds, it still times out, but I sit around for 30 seconds waiting to be notified. What I'm trying to do is figure out what I can do on my end to help diagnose why the remote system stops talking. It's not a Dart issue per se, but I'm looking for strategies to help diagnose what the remote is doing. Is there an internal timer I can look at along the lines of "how long it's been since I've received data, and if this timer gets to your timeout value, I'm going to throw a timeout exception?" Something I can watch for trends? Like seeing if the channel hiccups a bit before it times out? |
| Tony Priest From: Utica, NY USA Posts: 8466 Member Since: 04/11/00 |
posted July 17, 2003 12:42 PM I honestly can't think of anything that could help you. It's kind of hard to troubleshoot why a server does not send data back. I usually attribute it to load on the server. For example I have connected to FTP servers during times of stress and not received a greeting. |
| cambler From: Redmond, WA USA Posts: 102 Member Since: 04/14/03 |
posted July 17, 2003 12:48 PM Yeah, it's a pain in the rear. The less time we're not talking to the server, the better, and each time I have to take a non-responding channel down and bring it back up, we suffer a performance hit (for unrelated reasons), so I'm just trying to determine if there are things I can do on my end. I'll keep hunting :-) |
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