core: change lk-owner as a 1k buffer

so, NLM can send the lk-owner field directly to the locks translators,
while doing the same effort, also enabled sending maximum of 500 aux gid
over protocol.

Change-Id: I87c2514392748416f7ffe21d5154faad2e413969
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 767229
Reviewed-on: http://review.gluster.com/779
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@gluster.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index b9f752b75..ce1e1f45b 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -40,6 +40,7 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <signal.h>
+#include <stdlib.h>
 
 #include "logging.h"
 #include "common-utils.h"
@@ -48,6 +49,7 @@
 #include "stack.h"
 #include "globals.h"
 #include "md5.h"
+#include "lkowner.h"
 
 #ifndef AI_ADDRCONFIG
 #define AI_ADDRCONFIG 0
@@ -1656,6 +1658,25 @@ uuid_utoa_r (uuid_t uuid, char *dst)
         return dst;
 }
 
+/*Thread safe conversion function*/
+char *
+lkowner_utoa (gf_lkowner_t *lkowner)
+{
+        char *lkowner_buffer = glusterfs_lkowner_buf_get();
+        lkowner_unparse (lkowner, lkowner_buffer, GF_LKOWNER_BUF_SIZE);
+        return lkowner_buffer;
+}
+
+/*Re-entrant conversion function*/
+char *
+lkowner_utoa_r (gf_lkowner_t *lkowner, char *dst, int len)
+{
+        if(!dst)
+                return NULL;
+        lkowner_unparse (lkowner, dst, len);
+        return dst;
+}
+
 void _get_md5_str (char *out_str, size_t outlen,
                    const uint8_t *input, int n)
 {