gfproxy: Introduce new server-side daemon called GFProxy

Summmary:
- Adds a new server-side daemon called gfproxyd & a new FUSE client
  called gfproxy-client
- Adds a new translator called AHA (Advanced High-Availability) that
  manages failover between gfproxy servers & FOP replay for failed FOPS.

Signed-off-by: Shreyas Siravara <sshreyas@fb.com>

Change-Id: Iba0bd54e6b4035b8d7914aab64bcac9e93089dd7
Reviewed-on: http://review.gluster.org/16136
Tested-by: Shreyas Siravara <sshreyas@fb.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kevin Vigor <kvigor@fb.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index e89ed1102fe..97713c461c4 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -10796,6 +10796,45 @@ out:
 }
 
 void
+glusterd_get_gfproxy_client_volfile (glusterd_volinfo_t *volinfo,
+                                        char *path, int path_len)
+{
+        char                    workdir[PATH_MAX]      = {0, };
+        glusterd_conf_t        *priv                    = THIS->private;
+
+        GLUSTERD_GET_VOLUME_DIR (workdir, volinfo, priv);
+
+        switch (volinfo->transport_type) {
+        case GF_TRANSPORT_TCP:
+                snprintf (path, path_len,
+                                "%s/trusted-%s.tcp-gfproxy-fuse.vol",
+                                workdir, volinfo->volname);
+                break;
+
+        case GF_TRANSPORT_RDMA:
+                snprintf (path, path_len,
+                                "%s/trusted-%s.rdma-gfproxy-fuse.vol",
+                                workdir, volinfo->volname);
+                break;
+        default:
+                break;
+        }
+}
+
+void
+glusterd_get_gfproxyd_volfile (glusterd_volinfo_t *volinfo,
+                                char *path, int path_len)
+{
+        char                    workdir[PATH_MAX]      = {0, };
+        glusterd_conf_t        *priv                    = THIS->private;
+
+        GLUSTERD_GET_VOLUME_DIR (workdir, volinfo, priv);
+
+        snprintf (path, path_len, "%s/%s.gfproxyd.vol", workdir,
+                  volinfo->volname);
+}
+
+void
 glusterd_get_rebalance_volfile (glusterd_volinfo_t *volinfo,
                                 char *path, int path_len)
 {