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/*
* Copyright (c) 2019 Balazs Scheidler <bazsi77@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "rewrite-guess-timezone.h"
#include "messages.h"
typedef struct _RewriteGuessTimeZone RewriteGuessTimeZone;
struct _RewriteGuessTimeZone
{
LogRewrite super;
gint stamp;
};
void
rewrite_guess_time_zone_set_time_stamp(LogRewrite *s, gint stamp)
{
RewriteGuessTimeZone *self = (RewriteGuessTimeZone *) s;
self->stamp = stamp;
}
static void
_process(LogRewrite *s, LogMessage **pmsg, const LogPathOptions *path_options)
{
RewriteGuessTimeZone *self = (RewriteGuessTimeZone *) s;
LogMessage *msg;
msg = log_msg_make_writable(pmsg, path_options);
glong implied_gmtoff = msg->timestamps[self->stamp].ut_gmtoff;
unix_time_fix_timezone_assuming_the_time_matches_real_time(&msg->timestamps[self->stamp]);
msg_trace("guess-timezone(): adjusting message timezone assuming it was real time",
evt_tag_long("implied_gmtoff", implied_gmtoff),
evt_tag_long("new_gmtoff", msg->timestamps[self->stamp].ut_gmtoff));
}
static LogPipe *
_clone(LogPipe *s)
{
RewriteGuessTimeZone *self = (RewriteGuessTimeZone *) s;
LogRewrite *cloned;
cloned = rewrite_guess_time_zone_new(s->cfg);
log_rewrite_clone_method(cloned, &self->super);
rewrite_guess_time_zone_set_time_stamp(cloned, self->stamp);
return &cloned->super;
}
LogRewrite *
rewrite_guess_time_zone_new(GlobalConfig *cfg)
{
RewriteGuessTimeZone *self = g_new0(RewriteGuessTimeZone, 1);
log_rewrite_init_instance(&self->super, cfg);
self->super.super.clone = _clone;
self->super.process = _process;
return &self->super;
}
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