cli: implement "system:: getwd" command

Signed-off-by: Csaba Henk <csaba@lowlife.hu>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 2785 (gsyncd logs on slave side go to /dev/null)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2785

6 files changed, 88 insertions, 1 deletions

diff --git a/rpc/rpc-lib/src/protocol-common.h b/rpc/rpc-lib/src/protocol-common.h
index 8483fbcf4..a54c29fc5 100644
--- a/rpc/rpc-lib/src/protocol-common.h
+++ b/rpc/rpc-lib/src/protocol-common.h
@@ -198,6 +198,7 @@ enum gluster_cli_procnum {
         GLUSTER_CLI_PROFILE_VOLUME,
         GLUSTER_CLI_QUOTA,
         GLUSTER_CLI_TOP_VOLUME,
+        GLUSTER_CLI_GETWD,
         GLUSTER_CLI_MAXVALUE,
 };
 
diff --git a/rpc/xdr/src/cli1-xdr.c b/rpc/xdr/src/cli1-xdr.c
index f1594eb96..0f5dc9866 100644
--- a/rpc/xdr/src/cli1-xdr.c
+++ b/rpc/xdr/src/cli1-xdr.c
@@ -796,3 +796,23 @@ xdr_gf1_cli_stats_volume_rsp (XDR *xdrs, gf1_cli_stats_volume_rsp *objp)
 		 return FALSE;
 	return TRUE;
 }
+
+bool_t
+xdr_gf1_cli_getwd_req (XDR *xdrs, gf1_cli_getwd_req *objp)
+{
+	 if (!xdr_int (xdrs, &objp->unused))
+		 return FALSE;
+	return TRUE;
+}
+
+bool_t
+xdr_gf1_cli_getwd_rsp (XDR *xdrs, gf1_cli_getwd_rsp *objp)
+{
+	 if (!xdr_int (xdrs, &objp->op_ret))
+		 return FALSE;
+	 if (!xdr_int (xdrs, &objp->op_errno))
+		 return FALSE;
+	 if (!xdr_string (xdrs, &objp->wd, ~0))
+		 return FALSE;
+	return TRUE;
+}
diff --git a/rpc/xdr/src/cli1-xdr.h b/rpc/xdr/src/cli1-xdr.h
index 0a4b4ebd5..96f8def58 100644
--- a/rpc/xdr/src/cli1-xdr.h
+++ b/rpc/xdr/src/cli1-xdr.h
@@ -512,6 +512,18 @@ struct gf1_cli_stats_volume_rsp {
 };
 typedef struct gf1_cli_stats_volume_rsp gf1_cli_stats_volume_rsp;
 
+struct gf1_cli_getwd_req {
+	int unused;
+};
+typedef struct gf1_cli_getwd_req gf1_cli_getwd_req;
+
+struct gf1_cli_getwd_rsp {
+	int op_ret;
+	int op_errno;
+	char *wd;
+};
+typedef struct gf1_cli_getwd_rsp gf1_cli_getwd_rsp;
+
 /* the xdr functions */
 
 #if defined(__STDC__) || defined(__cplusplus)
@@ -572,6 +584,8 @@ extern  bool_t xdr_gf1_cli_gsync_set_req (XDR *, gf1_cli_gsync_set_req*);
 extern  bool_t xdr_gf1_cli_gsync_set_rsp (XDR *, gf1_cli_gsync_set_rsp*);
 extern  bool_t xdr_gf1_cli_stats_volume_req (XDR *, gf1_cli_stats_volume_req*);
 extern  bool_t xdr_gf1_cli_stats_volume_rsp (XDR *, gf1_cli_stats_volume_rsp*);
+extern  bool_t xdr_gf1_cli_getwd_req (XDR *, gf1_cli_getwd_req*);
+extern  bool_t xdr_gf1_cli_getwd_rsp (XDR *, gf1_cli_getwd_rsp*);
 
 #else /* K&R C */
 extern bool_t xdr_gf1_cluster_type ();
@@ -631,6 +645,8 @@ extern bool_t xdr_gf1_cli_gsync_set_req ();
 extern bool_t xdr_gf1_cli_gsync_set_rsp ();
 extern bool_t xdr_gf1_cli_stats_volume_req ();
 extern bool_t xdr_gf1_cli_stats_volume_rsp ();
+extern bool_t xdr_gf1_cli_getwd_req ();
+extern bool_t xdr_gf1_cli_getwd_rsp ();
 
 #endif /* K&R C */
 
diff --git a/rpc/xdr/src/cli1-xdr.x b/rpc/xdr/src/cli1-xdr.x
index fc38cf7b2..99344a949 100644
--- a/rpc/xdr/src/cli1-xdr.x
+++ b/rpc/xdr/src/cli1-xdr.x
@@ -57,7 +57,7 @@ enum gf1_cli_stats_op {
         GF_CLI_STATS_NONE  = 0,
         GF_CLI_STATS_START = 1,
         GF_CLI_STATS_STOP  = 2,
-        GF_CLI_STATS_INFO  = 3
+        GF_CLI_STATS_INFO  = 3,
         GF_CLI_STATS_TOP = 4
 };
 
@@ -375,3 +375,13 @@ struct gf1_cli_quota_rsp {
         string  limit_list<>;
         gf_quota_type type;
 };
+
+struct gf1_cli_getwd_req {
+        int     unused;
+} ;
+
+struct gf1_cli_getwd_rsp {
+        int     op_ret;
+        int     op_errno;
+        string  wd<>;
+};
diff --git a/rpc/xdr/src/cli1.c b/rpc/xdr/src/cli1.c
index bd3cbf0c7..e917929b3 100644
--- a/rpc/xdr/src/cli1.c
+++ b/rpc/xdr/src/cli1.c
@@ -712,3 +712,31 @@ gf_xdr_from_cli_stats_volume_rsp (struct iovec outmsg, void *args)
         return xdr_serialize_generic (outmsg, (void *)args,
                                       (xdrproc_t)xdr_gf1_cli_stats_volume_rsp);
 }
+
+ssize_t
+gf_xdr_to_cli_getwd_req (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_getwd_req);
+}
+
+ssize_t
+gf_xdr_from_cli_getwd_req (struct iovec outmsg, void *args)
+{
+        return xdr_serialize_generic (outmsg, (void *)args,
+                                     (xdrproc_t)xdr_gf1_cli_getwd_req);
+}
+
+ssize_t
+gf_xdr_to_cli_getwd_rsp (struct iovec inmsg, void *args)
+{
+        return xdr_to_generic (inmsg, (void *)args,
+                               (xdrproc_t)xdr_gf1_cli_getwd_rsp);
+}
+
+ssize_t
+gf_xdr_from_cli_getwd_rsp (struct iovec outmsg, void *args)
+{
+        return xdr_serialize_generic (outmsg, (void *)args,
+                                      (xdrproc_t)xdr_gf1_cli_getwd_rsp);
+}
diff --git a/rpc/xdr/src/cli1.h b/rpc/xdr/src/cli1.h
index 9bc3a196a..32e310aae 100644
--- a/rpc/xdr/src/cli1.h
+++ b/rpc/xdr/src/cli1.h
@@ -315,4 +315,16 @@ gf_xdr_to_cli_stats_volume_rsp (struct iovec inmsg, void *args);
 
 ssize_t
 gf_xdr_from_cli_stats_volume_rsp (struct iovec outmsg, void *args);
+
+ssize_t
+gf_xdr_to_cli_getwd_req (struct iovec inmsg, void *args);
+
+ssize_t
+gf_xdr_from_cli_getwd_req (struct iovec outmsg, void *args);
+
+ssize_t
+gf_xdr_to_cli_getwd_rsp (struct iovec inmsg, void *args);
+
+ssize_t
+gf_xdr_from_cli_getwd_rsp (struct iovec outmsg, void *args);
 #endif /* !_CLI1_H */