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| Questions about implementing a custom node - Part 1 |
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| autorun |
 Posted: Mon May 13, 2002 10:33 am Post subject: Questions about implementing a custom node - Part 1 |
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Apprentice
Joined: 02 Feb 2002
Posts: 29
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Greetings,
I am in a process to implement a custom node. When I came across some sample code, I have the following questions.
1. Why the vftable is declared as static? e.g
static CNI_VFT vftable;
2. What is the C.POSTIT_PLUGIN_FACTORY? Is this a structure? I can't find it elsewhere.
3. Where is the trace file when I use those trace commands.
e.g.
TRACE_ENTRY, TRACE_MID, ...
TRACE_ENTRY("bipGetMessageflowNodeFactory", ("void"));
currentPID = getpid();
TRACE_MID(TRACE_INFO, ("<------------------------------------------------------>"));
TRACE_MID(TRACE_INFO, ("<**** Start of postit deployment (pid=%d) ****>",
4. How to enable this TRACE output?
5. How to write message to syslogd?
6. Is the following concept correct?
A plug-in can contain a single node factory, but a single node factory can contain multiple node class, i.e. multiple nodes displayed in Control Center.
7. Any good site and books for MQSI custom node development and UNIX C pogramming?
Thanks,
Autorun |
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