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| Can a client connect to different Queue Managers in the same |
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| rliang |
 Posted: Tue Sep 25, 2001 4:53 pm Post subject: |
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Novice
Joined: 12 Aug 2001
Posts: 14
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I want to write a program in VB to check the channels status, the channels could be in different Queue Manager (in Win2k same machine), my question is how can i connect to different queue manager in my program as the queue managers are listening to different ports ? What is the best way to do this task
Ray |
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| kolban |
| Posted: Tue Sep 25, 2001 7:41 pm Post subject: |
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Grand Master
Joined: 22 May 2001
Posts: 1072
Location: Fort Worth, TX, USA
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| Ray, in VB, you have a choice of APIs to use to connect to a queue manager. Either the MQI API or the COM objects. Which are you using? |
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| rliang |
| Posted: Tue Sep 25, 2001 8:26 pm Post subject: |
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Novice
Joined: 12 Aug 2001
Posts: 14
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kolban
I tried both API and ActiveX com interface. Connecting to the Queue manager relies on the environment variable MQSERVER's setting, I try to set it to the different values related to the different Queue manager on the fly by using Win32 API befor I call the MQCONN, it didnot works.
Ray |
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| Cliff |
| Posted: Wed Sep 26, 2001 12:26 am Post subject: |
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Centurion
Joined: 27 Jun 2001
Posts: 145
Location: Wiltshire
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A client can only connect to one queue manager at a time, and using the MQSERVER is only one way of controlling the connection. Another is to use the MQCHLLIB environment variable to specify the filepath of the channel table for the queue manager you want to connect to. The channel table can hold entries for more than one queue manager, but I've never found this convenient.
How about holding the filepaths of your channel tables in a .INI file, and using a Win32 API call from your VB app to set MQCHLLIB before issuing the MQCONN call? You would have to disconnect before trying to connect to a different queue manager, of course.
Hope this helps,
Cliff |
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