OT/PPP, OTIoctl & asynchronous completion events
OT/PPP, OTIoctl & asynchronous completion events
- Subject: OT/PPP, OTIoctl & asynchronous completion events
- From: Xavier Jubier <email@hidden>
- Date: Wed, 17 Sep 2003 15:52:52 +0200
I need to write a 4D plug-in (CFM library for 4th Dimension 6.5 to 2003
under OS 9 and OS X) to make programmatically OT/PPP calls under OS 9
and OS X.
The code skeleton is based on the OT/PPP Client Developer Note 1.0:
Initialize connection flags
Open the endpoint
myEndpointRef = OTOpenEndpoint(OTCreateConfiguration(kPPPControlName),
0L, NULL, &myOTStatus);
Install the notifier
myOTStatus = OTInstallNotifier(myEndpointRef, (OTNotifyProcPtr)
MyARA_OT_EndpointNotifier, &myEndpointRef);
Set the endpoint to asynchronous
myOTStatus = OTSetAsynchronous(myEndpointRef);
Set the OT/PPP options (that is working perfectly)
myOTStatus = OTOptionManagement(myEndpointRef, &myOptionsManagement,
&myOptionsManagement);
Make the call
myOTStatus = OTIoctl(myEndpointRef, I_OTConnect, NULL);
do {
Wait for the connection or error
} while (connection flags is set or error (by the notifier));
Return the error and or connection status
Under OS 9 how can I wait for the asynchronous completion events of the
notifier proc after the following call
myOTStatus = OTIoctl(myEndpointRef, I_OTConnect, NULL);
without hanging all the system?
I tried different approaches without any success (ie loop with
WaitNextEvent(), timer task, ...).
When creating a new thread to wait for the connection it is better in
the sense that the call is made but the plug-in crashes on
YieldToThread(myNewThread).
This approach confirm that I must implement the callback method in this
note
<
http://developer.apple.com/qa/ps/ps06.html>.
But since I'm not a programmer I don't see how to implement it.
Would someone have an example that I could use as a starting point?
Xavier
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