[asterisk-dev] [Code Review] Calendaring API for Asterisk

[Mark Michelson]

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/trunk/res/res_caldav.c
<http://reviewboard.digium.com/r/58/#comment256>

    I believe you need to unref the event you just allocated in this failure case



/trunk/res/res_caldav.c
<http://reviewboard.digium.com/r/58/#comment257>

    This code all reads like failure cases. If these are all failures, then why is ao2_link being called?



/trunk/res/res_icalendar.c
<http://reviewboard.digium.com/r/58/#comment252>

    You never initialize the ao2_iterator in this function



/trunk/res/res_icalendar.c
<http://reviewboard.digium.com/r/58/#comment255>

    Don't forget to unref the event you just allocated in this failure case



/trunk/res/res_icalendar.c
<http://reviewboard.digium.com/r/58/#comment254>

    I may be reading these lines incorrectly, but it looks like these are all error conditions for adding the new event. If I am correct, then why are you calling ao2_link here?


- Mark


On 2008-11-12 19:04:58, Terry Wilson wrote:
> 
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> 
> (Updated 2008-11-12 19:04:58)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Summary
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> 
> Calendaring integration for Asterisk--currently supporting iCalendar files (hosted over HTTP/HTTPS), CalDAV, and Microsoft Exchange.  Features available: dialplan functions for querying and writing (if the calendar technology supports it like CalDAV and Exchange do) calendar event information, a device state provider for phone BLF support, and calendar event notification through executing dialplan apps or context/exten.
> 
> The overall structure is that the res_* calendar modules register as a calendar tech to main/calendar.c, and after all modules are loaded, main/calendar.c parses calendar.conf and calls the calendar_load callback for each register calendar tech based on the "type" field for that calendar in calendars.conf.  Currently each calendar runs in its own thread downloading and refreshing the remote calendar data as necessary as to avoid serializing downloads.  
> 
> Eventually it would probably be a good idea for me to implement a thread pool and honor a maximum number of downloads per host:port as well as a global maximum number of simultaneous downloads--perhaps with a min/max refresh value so I could randomize the time for refreshing a bit so as not to be refreshing all of the calendars at once.  Also, there was a request to add support for the dialplan functions to query calendars that aren't in calendar.conf i.e. CALENDAR_QUERY(ical/http://www.google.com/calendar/ical/nkt5atdq7cdbes3ehdfpendpnc%40group.calendar.google.com/public/basic.ics,${EPOCH},$[${EPOCH} + 3600]), etc.
> 
> Currently I don't have any support for querying/setting attendees, mostly because it is a list of results whereas all of the others are individual fields.  Writing gets especially ugly for them because of the current format of CALENDAR_WRITE(calendar,${HASHKEYS(calendar)})=${HASH(calendar)}.  I suppose I could add a ...,${HAHSKEYS(attendees)})=...,${HASH(attendees)} to the end...it is just getting a little ugly.
> 
> 
> Diffs
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>   /trunk/build_tools/menuselect-deps.in 156482 
>   /trunk/configs/calendar.conf.sample PRE-CREATION 
>   /trunk/configure.ac 156482 
>   /trunk/include/asterisk/_private.h 156482 
>   /trunk/include/asterisk/autoconfig.h.in 156482 
>   /trunk/include/asterisk/calendar.h PRE-CREATION 
>   /trunk/main/Makefile 156482 
>   /trunk/main/asterisk.c 156482 
>   /trunk/main/calendar.c PRE-CREATION 
>   /trunk/main/loader.c 156482 
>   /trunk/makeopts.in 156482 
>   /trunk/res/res_caldav.c PRE-CREATION 
>   /trunk/res/res_exchangecal.c PRE-CREATION 
>   /trunk/res/res_icalendar.c PRE-CREATION 
> 
> Diff: http://reviewboard.digium.com/r/58/diff
> 
> 
> Testing
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> 
> I have tested all three calendar modules by adding, deleting, and moving events and verifying that notifications occur.  I have tested writing to Exchange, and Zimbra and Google Calendar through CalDAV.  I have run with MALOC_DEBUG looking for leaks and dropped references to astobj2 objects. 
> 
> 
> Thanks,
> 
> Terry
> 
>