Thanks for the detailed explanation. You gave me an idea with the +Z/+z,
and you weren't kidding when you said Windows has issues (this adds to my
existing disdain for Windows).
For anyone else wondering, here's how I've solved my particular problem -
which allows me to use the full date + time zone:
if strftime($EventTime, "%Z") == "Pacific Daylight Time" set_var('myTZ',
'07:00'); \
else set_var('myTZ', '08:00'); \
$EventTime = strftime($EventTime, "%Y-%m-%dT%H:%M:%S-"+get_var('myTZ'));
Definitely not an elegant hack, but it allows me to keep my windows IIS
servers with the existing system timezone. I guess if you wanted to really
get fancy, you could get a list of time zones, set a +/- variable and
adjust the %H in strftime with the +7 or -2 or whatever, then you'd have a
converted UTC formatted date.
In my travels, I also found this for windows:
http://msdn.microsoft.com/en-us/library/fe06s4ak.aspx
which led me to
http://social.msdn.microsoft.com/Forums/vstudio/en-US/f76b8164-a918-4b74-b6d0-b38590c0a537/how-to-control-strftime-z-format?forum=vclanguage
It didnt seem to work for me, but maybe someone else with more windows
programming experience would know how to tweak %z/%Z through the TZ
environment variable.
On Tue, May 13, 2014 at 1:38 AM, Botond Botyanszki <b...@nxlog.org> wrote:
> Hi,
>
> $EventTime is UTC.
> It is not possible to convert it to a string representation with the UTC
> timezone using strftime() because the underlying API does not support
> this.
> What you can do is:
> * Use the Binary mode to transfer data. It serializes the datetime type
> correctly.
> * Convert the datetime to a string expressed as an integer timestamp and
> parse it back at the other end.
> POC:
> #sender
> $EventTime = 2014-05-12 12:05:39;
> log_info($EventTime);
> $EventTime = string(integer($EventTime));
> log_info($EventTime);
> #receiver
> $EventTime = datetime(integer($EventTime));
> log_info($EventTime);
> This gives:
> 2014-05-12 12:05:39
> 1399889139000000
> 2014-05-12 12:05:39
> * Use +Z in strftime to format it with a timezone. This won't be UTC
> unless the machine is configured that way but it is human readable and
> can be parsed back. Windows has issues with the Z.
>
> Using JSON to serialize structured data has become quite popular recently.
> Unfortunately there are two issues with this currently:
> 1. The JSON standard does not define a datetime type. Doing a to_json()
> and then a parse_json() results in $EventTime converted to a string, so
> you need to add an explicit $EventTime = parsedate($EventTime);
> There are plans to make this automatic.
> 2. When the fields are serialized to JSON, the datetime type is converted
> to a string expressed in local time without a timezone. Thus sending
> data across timezones is problematic. This will be solved too.
>
> Regards,
> Botond
>
>
> On Mon, 12 May 2014 14:18:10 -0700
> Nate Fox <the...@gmail.com> wrote:
>
> > I have the following on a windows machine:
> >
> > <Input event_viewer>
> > Module im_msvistalog
> > Exec $EventTime = strftime($EventTime, "%Y-%m-%dT%H:%M:%S");
> > </Input>
> >
> > Is there any way to convert this to UTC regardless of what timezone I
> have
> > configured for the machine?
> >
> > I'd love something like strftime(to_utc($EventTime),
> "%Y-%m-%dT%H:%M:%S");
>
>
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