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/*
Copyright (c) 2016 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 "glusterd.h"
#include "glusterd-utils.h"
#include "glusterd-shd-svc-helper.h"
#include "glusterd-messages.h"
#include "glusterd-volgen.h"
void
glusterd_svc_build_shd_socket_filepath(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char sockfilepath[PATH_MAX] = {
0,
};
char rundir[PATH_MAX] = {
0,
};
int32_t len = 0;
glusterd_conf_t *priv = THIS->private;
if (!priv)
return;
GLUSTERD_GET_SHD_RUNDIR(rundir, volinfo, priv);
len = snprintf(sockfilepath, sizeof(sockfilepath), "%s/run-%s", rundir,
uuid_utoa(MY_UUID));
if ((len < 0) || (len >= sizeof(sockfilepath))) {
sockfilepath[0] = 0;
}
glusterd_set_socket_filepath(sockfilepath, path, path_len);
}
void
glusterd_svc_build_shd_pidfile(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char rundir[PATH_MAX] = {
0,
};
glusterd_conf_t *priv = THIS->private;
if (!priv)
return;
GLUSTERD_GET_SHD_RUNDIR(rundir, volinfo, priv);
snprintf(path, path_len, "%s/%s-shd.pid", rundir, volinfo->volname);
}
void
glusterd_svc_build_shd_volfile_path(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char workdir[PATH_MAX] = {
0,
};
glusterd_conf_t *priv = THIS->private;
if (!priv)
return;
GLUSTERD_GET_VOLUME_DIR(workdir, volinfo, priv);
snprintf(path, path_len, "%s/%s-shd.vol", workdir, volinfo->volname);
}
void
glusterd_shd_svcproc_cleanup(glusterd_shdsvc_t *shd)
{
glusterd_svc_proc_t *svc_proc = NULL;
glusterd_svc_t *svc = NULL;
glusterd_conf_t *conf = NULL;
gf_boolean_t need_unref = _gf_false;
rpc_clnt_t *rpc = NULL;
conf = THIS->private;
if (!conf)
return;
GF_VALIDATE_OR_GOTO(THIS->name, conf, out);
GF_VALIDATE_OR_GOTO(THIS->name, shd, out);
svc = &shd->svc;
shd->attached = _gf_false;
if (svc->conn.rpc) {
rpc_clnt_unref(svc->conn.rpc);
svc->conn.rpc = NULL;
}
pthread_mutex_lock(&conf->attach_lock);
{
svc_proc = svc->svc_proc;
svc->svc_proc = NULL;
svc->inited = _gf_false;
cds_list_del_init(&svc->mux_svc);
glusterd_unlink_file(svc->proc.pidfile);
if (svc_proc && cds_list_empty(&svc_proc->svcs)) {
cds_list_del_init(&svc_proc->svc_proc_list);
/* We cannot free svc_proc list from here. Because
* if there are pending events on the rpc, it will
* try to access the corresponding svc_proc, so unrefing
* rpc request and then cleaning up the memory is carried
* from the notify function upon RPC_CLNT_DESTROY destroy.
*/
need_unref = _gf_true;
rpc = svc_proc->rpc;
svc_proc->rpc = NULL;
}
}
pthread_mutex_unlock(&conf->attach_lock);
/*rpc unref has to be performed outside the lock*/
if (need_unref && rpc)
rpc_clnt_unref(rpc);
out:
return;
}
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