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/*
Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include <stdio.h>
#include <limits.h>
#include <signal.h>
#include "common-utils.h"
#include "xlator.h"
#include "logging.h"
#include "glusterd-messages.h"
#include "glusterd-proc-mgmt.h"
int
glusterd_proc_init (glusterd_proc_t *proc, char *name, char *pidfile,
char *logdir, char *logfile, char *volfile, char *volfileid,
char *volfileserver)
{
int ret = -1;
ret = snprintf (proc->name, sizeof (proc->name), "%s", name);
if (ret < 0)
goto out;
ret = snprintf (proc->pidfile, sizeof (proc->pidfile), "%s", pidfile);
if (ret < 0)
goto out;
ret = snprintf (proc->logdir, sizeof (proc->logdir), "%s", logdir);
if (ret < 0)
goto out;
ret = snprintf (proc->logfile, sizeof (proc->logfile), "%s", logfile);
if (ret < 0)
goto out;
ret = snprintf (proc->volfile, sizeof (proc->volfile), "%s", volfile);
if (ret < 0)
goto out;
ret = snprintf (proc->volfileid, sizeof (proc->volfileid), "%s",
volfileid);
if (ret < 0)
goto out;
ret = snprintf (proc->volfileserver, sizeof (proc->volfileserver), "%s",
volfileserver);
if (ret < 0)
goto out;
out:
if (ret > 0)
ret = 0;
return ret;
}
int
glusterd_proc_stop (glusterd_proc_t *proc, int sig, int flags)
{
/* NB: Copy-paste code from glusterd_service_stop, the source may be
* removed once all daemon management use proc */
int32_t ret = -1;
pid_t pid = -1;
xlator_t *this = NULL;
this = THIS;
GF_ASSERT (this);
if (!gf_is_service_running (proc->pidfile, &pid)) {
ret = 0;
gf_msg (this->name, GF_LOG_INFO, 0,
GD_MSG_ALREADY_STOPPED, "%s already stopped",
proc->name);
goto out;
}
gf_msg_debug (this->name, 0, "Stopping %s daemon running in pid: "
"%d", proc->name, pid);
ret = kill (pid, sig);
if (ret) {
switch (errno) {
case ESRCH:
gf_msg_debug (this->name, 0, "%s is already "
"stopped", proc->name);
ret = 0;
goto out;
default:
gf_msg (this->name, GF_LOG_ERROR, errno,
GD_MSG_SVC_KILL_FAIL, "Unable to kill %s "
"service, reason:%s", proc->name,
strerror (errno));
}
}
if (flags != PROC_STOP_FORCE)
goto out;
sleep (1);
if (gf_is_service_running (proc->pidfile, NULL)) {
ret = kill (pid, SIGKILL);
if (ret) {
gf_msg (this->name, GF_LOG_ERROR, errno,
GD_MSG_PID_KILL_FAIL, "Unable to kill pid:%d, "
"reason:%s", pid, strerror(errno));
goto out;
}
}
ret = 0;
out:
return ret;
}
int
glusterd_proc_get_pid (glusterd_proc_t *proc)
{
int pid = -1;
(void) gf_is_service_running (proc->pidfile, &pid);
return pid;
}
int
glusterd_proc_is_running (glusterd_proc_t *proc)
{
return gf_is_service_running (proc->pidfile, NULL);
}
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