glusterd: nfs,shd,quotad,snapd daemons refactoring

This patch ports nfs, shd, quotad & snapd with the approach suggested in
http://www.gluster.org/pipermail/gluster-devel/2014-December/043180.html

Change-Id: I4ea5b38793f87fc85cc9d2cf873727351dedffd2
BUG: 1191486
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Signed-off-by:  Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/9428
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Nekkunti <anekkunt@redhat.com>

1 files changed, 125 insertions, 0 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-svc-helper.c b/xlators/mgmt/glusterd/src/glusterd-svc-helper.c
new file mode 100644
index 00000000000..f17f34c3530
--- /dev/null
+++ b/xlators/mgmt/glusterd/src/glusterd-svc-helper.c
@@ -0,0 +1,125 @@
+/*
+   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 "glusterfs.h"
+#include "glusterd-utils.h"
+#include "glusterd-svc-mgmt.h"
+#include "glusterd-shd-svc.h"
+#include "glusterd-quotad-svc.h"
+#include "glusterd-nfs-svc.h"
+
+int
+glusterd_svcs_reconfigure (glusterd_volinfo_t *volinfo)
+{
+        int              ret  = 0;
+        xlator_t        *this = THIS;
+        glusterd_conf_t *conf = NULL;
+
+        GF_ASSERT (this);
+
+        conf = this->private;
+        GF_ASSERT (conf);
+
+        ret = glusterd_nfssvc_reconfigure ();
+        if (ret)
+                goto out;
+
+        if (volinfo && !glusterd_is_shd_compatible_volume (volinfo)) {
+                ; /* Do nothing */
+        } else {
+                ret = glusterd_shdsvc_reconfigure ();
+                if (ret)
+                        goto out;
+        }
+        if (conf->op_version == GD_OP_VERSION_MIN)
+                goto out;
+
+        if (volinfo && !glusterd_is_volume_quota_enabled (volinfo))
+                goto out;
+
+        ret = glusterd_quotadsvc_reconfigure ();
+        if (ret)
+                goto out;
+out:
+        return ret;
+}
+
+int
+glusterd_svcs_stop ()
+{
+        int              ret  = 0;
+        xlator_t        *this = NULL;
+        glusterd_conf_t *priv = NULL;
+
+        this = THIS;
+        GF_ASSERT (this);
+
+        priv = this->private;
+        GF_ASSERT (priv);
+
+        ret = glusterd_svc_stop (&(priv->nfs_svc), SIGKILL);
+        if (ret)
+                goto out;
+
+        ret = glusterd_svc_stop (&(priv->shd_svc), SIGTERM);
+        if (ret)
+                goto out;
+
+        ret = glusterd_svc_stop (&(priv->quotad_svc), SIGTERM);
+        if (ret)
+                goto out;
+out:
+        return ret;
+}
+
+int
+glusterd_svcs_manager (glusterd_volinfo_t *volinfo)
+{
+        int              ret  = 0;
+        xlator_t        *this = THIS;
+        glusterd_conf_t *conf = NULL;
+
+        GF_ASSERT (this);
+
+        conf = this->private;
+        GF_ASSERT (conf);
+
+        if (volinfo && volinfo->is_snap_volume)
+                return 0;
+
+        ret = conf->nfs_svc.manager (&(conf->nfs_svc), NULL,
+                                     PROC_START_NO_WAIT);
+        if (ret)
+                goto out;
+
+        ret = conf->shd_svc.manager (&(conf->shd_svc), volinfo,
+                                     PROC_START_NO_WAIT);
+        if (ret == -EINVAL)
+                ret = 0;
+        if (ret)
+                goto out;
+
+        if (conf->op_version == GD_OP_VERSION_MIN)
+                goto out;
+
+        ret = conf->quotad_svc.manager (&(conf->quotad_svc), volinfo,
+                                        PROC_START_NO_WAIT);
+        if (ret == -EINVAL)
+                ret = 0;
+        if (ret)
+                goto out;
+out:
+        return ret;
+}
+
+