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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 "globals.h"
#include "run.h"
#include "glusterd.h"
#include "glusterd-utils.h"
#include "glusterd-volgen.h"
#include "glusterd-quotad-svc.h"
#include "glusterd-messages.h"
char *quotad_svc_name = "quotad";
void
glusterd_quotadsvc_build (glusterd_svc_t *svc)
{
svc->manager = glusterd_quotadsvc_manager;
svc->start = glusterd_quotadsvc_start;
svc->stop = glusterd_svc_stop;
}
int glusterd_quotadsvc_init (glusterd_svc_t *svc)
{
int ret = -1;
char volfile[PATH_MAX] = {0,};
glusterd_conf_t *conf = THIS->private;
ret = glusterd_svc_init (svc, quotad_svc_name);
if (ret)
goto out;
/* glusterd_svc_build_volfile_path () doesn't put correct quotad volfile
* path in proc object at service initialization. Re-initialize
* the correct path
*/
glusterd_quotadsvc_build_volfile_path (quotad_svc_name, conf->workdir,
volfile, sizeof (volfile));
snprintf (svc->proc.volfile, sizeof (svc->proc.volfile), "%s", volfile);
out:
return ret;
}
static int
glusterd_quotadsvc_create_volfile ()
{
char filepath[PATH_MAX] = {0,};
glusterd_conf_t *conf = THIS->private;
glusterd_quotadsvc_build_volfile_path (quotad_svc_name, conf->workdir,
filepath, sizeof (filepath));
return glusterd_create_global_volfile (build_quotad_graph,
filepath, NULL);
}
int
glusterd_quotadsvc_manager (glusterd_svc_t *svc, void *data, int flags)
{
int ret = 0;
glusterd_volinfo_t *volinfo = NULL;
if (!svc->inited) {
ret = glusterd_quotadsvc_init (svc);
if (ret) {
gf_msg (THIS->name, GF_LOG_ERROR, 0,
GD_MSG_FAILED_INIT_QUOTASVC, "Failed to init "
"quotad service");
goto out;
} else {
svc->inited = _gf_true;
gf_msg_debug (THIS->name, 0, "quotad service "
"initialized");
}
}
volinfo = data;
/* If all the volumes are stopped or all shd compatible volumes
* are stopped then stop the service if:
* - volinfo is NULL or
* - volinfo is present and volume is shd compatible
* Otherwise create volfile and restart service if:
* - volinfo is NULL or
* - volinfo is present and volume is shd compatible
*/
if (glusterd_are_all_volumes_stopped () ||
glusterd_all_volumes_with_quota_stopped ()) {
if (!(volinfo && !glusterd_is_volume_quota_enabled (volinfo))) {
ret = svc->stop (svc, SIGTERM);
}
} else {
if (!(volinfo && !glusterd_is_volume_quota_enabled (volinfo))) {
ret = glusterd_quotadsvc_create_volfile ();
if (ret)
goto out;
ret = svc->stop (svc, SIGTERM);
if (ret)
goto out;
ret = svc->start (svc, flags);
if (ret)
goto out;
ret = glusterd_conn_connect (&(svc->conn));
if (ret)
goto out;
}
}
out:
gf_msg_debug (THIS->name, 0, "Returning %d", ret);
return ret;
}
int
glusterd_quotadsvc_start (glusterd_svc_t *svc, int flags)
{
int i = 0;
int ret = -1;
dict_t *cmdline = NULL;
char key[16] = {0};
char *options[] = {
"*replicate*.entry-self-heal=off",
"--xlator-option",
"*replicate*.metadata-self-heal=off",
"--xlator-option",
"*replicate*.data-self-heal=off",
"--xlator-option",
NULL
};
cmdline = dict_new ();
if (!cmdline)
goto out;
for (i = 0; options[i]; i++) {
memset (key, 0, sizeof (key));
snprintf (key, sizeof (key), "arg%d", i);
ret = dict_set_str (cmdline, key, options[i]);
if (ret)
goto out;
}
ret = glusterd_svc_start (svc, flags, cmdline);
out:
if (cmdline)
dict_unref (cmdline);
gf_msg_debug (THIS->name, 0, "Returning %d", ret);
return ret;
}
int
glusterd_quotadsvc_reconfigure ()
{
return glusterd_svc_reconfigure (glusterd_quotadsvc_create_volfile);
}
void
glusterd_quotadsvc_build_volfile_path (char *server, char *workdir,
char *volfile, size_t len)
{
char dir[PATH_MAX] = {0,};
GF_ASSERT (len == PATH_MAX);
glusterd_svc_build_svcdir (server, workdir, dir, sizeof (dir));
snprintf (volfile, len, "%s/%s.vol", dir, server);
}
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