[libvirt] [PATCH] Update event loop example programs to demonstrate best practice
Daniel P. Berrange
berrange at redhat.com
Tue Mar 29 09:44:34 UTC 2011
On Wed, Mar 23, 2011 at 09:31:56AM -0600, Eric Blake wrote:
> On 03/23/2011 09:24 AM, Daniel P. Berrange wrote:
> > The example C event loop code is a nasty hack and not compliant
> > with the require API semantics. Delete this, so that developers
> > don't mistakenly copy it. Instead call the new public event loop
> > APIs.
> >
> > Update the python event loop example, so that it can optionally
> > use the public event APIs, as an alternative to the pure python
> > code. The pure python event code is a good working example, so
> > don't delete it.
> >
> > * examples/domain-events/events-c/event-test.c: Replace event
> > loop code with use of public APIs
> > * examples/domain-events/events-python/event-test.py: Allow
> > optional use of new public event APIs
> > ---
> > examples/domain-events/events-c/event-test.c | 163 +------------------
> > examples/domain-events/events-python/event-test.py | 29 ++++-
> > 2 files changed, 36 insertions(+), 156 deletions(-)
>
> ACK with nits addressed.
>
> > @@ -386,17 +279,12 @@ int main(int argc, char **argv)
> >
> > action_stop.sa_handler = stop;
> >
> > - if(argc > 1 && STREQ(argv[1],"--help")) {
> > + if (argc > 1 && STREQ(argv[1],"--help")) {
>
> As long as you are respacing this line, s/,"--help/, "--help/
>
> >
> > - vc = libvirt.open(uri)
> > + vc = libvirt.openReadOnly(uri)
>
> Why this change?
Event monitoring doesn't need a read-write connection, so switching
this avoids the password prompts if run non-root.
Daniel
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