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/*
* Copyright (C) 2016 Jan Pokorny <jpokorny@redhat.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This software 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
#include <string.h>
#include <systemd/sd-daemon.h>
#include "nametag_libsystemd.h"
#include "booth.h"
#include "log.h"
#include "transport.h"
/* assume first argument after "fmt" is for DAEMON_NAME, that is
really not of interest in our "nametag" function based on
sd_notify (that very data point is provided implicitly) */
void sd_notify_wrapper(const char *fmt, ...)
{
/* assume that first %s in fmt is intended for DAEMON_NAME,
i.e., for first argument following fmt in original
set_proc_title invocation, which has already been dropped
before it boils down here (using the wrapping macro trick);
we now simply append the reset after that first %s
(with whitespace stripped) to the "Running: " prefix */
int rv;
char buffer[255];
char *fmt_iter;
char *suffix = NULL;
va_list ap;
switch (local->type) {
case ARBITRATOR:
case GEOSTORE:
break;
default:
return; /* not expected to be run as system service */
}
fmt_iter = strchr(fmt, '%');
while (fmt_iter) {
switch (*++fmt_iter) {
case 's': suffix = fmt_iter;
/* fall through */
default: fmt_iter = NULL;
}
}
if (!suffix) {
log_warn("%s:%d: invalid format: %s", __FILE__, __LINE__, fmt);
return;
}
while (isspace(*++suffix)) /* noop */ ;
va_start(ap, fmt);
fmt_iter = va_arg(ap, char *); /* just shift by one */
assert(!strcmp(fmt_iter, DAEMON_NAME));
rv = vsnprintf(buffer, sizeof(buffer), suffix, ap);
va_end(ap);
if (rv < 0) {
log_warn("%s:%d: vsnprintf fail", __FILE__, __LINE__);
}
rv = sd_notifyf(0, "READY=1\n"
"STATUS=Running: %s",
buffer);
if (rv < 0)
log_warn("%s:%d: sd_notifyf fail", __FILE__, __LINE__);
}

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