cli: Print to screen frequently

Problem:
CLI appears to be hung because XML document is not flushed periodically

Fix:
Flush the buffer as soon as we print something

BUG: 1395993
Change-Id: Ic5f61d4c7d29ee162a124a049e60ceb810d6da6d
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/15863
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: Atin Mukherjee <amukherj@redhat.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/heal/src/glfs-heal.c b/heal/src/glfs-heal.c
index e885dd9fe63..2a85e755151 100644
--- a/heal/src/glfs-heal.c
+++ b/heal/src/glfs-heal.c
@@ -119,6 +119,7 @@ glfsh_xml_init ()
         /* <bricks> */
         xmlTextWriterStartElement (glfsh_writer,
                         (xmlChar *)"bricks");
+        xmlTextWriterFlush (glfsh_writer);
 xml_out:
         return ret;
 }
@@ -217,7 +218,9 @@ glfsh_print_xml_heal_op_status (int ret, uint64_t num_entries, char *fmt_str)
                                         "%"PRIu64"", num_entries);
         }
 out:
-        return xmlTextWriterEndElement (glfsh_writer);
+        ret = xmlTextWriterEndElement (glfsh_writer);
+        xmlTextWriterFlush (glfsh_writer);
+        return ret;
 }
 
 void
@@ -228,6 +231,7 @@ glfsh_print_xml_file_status (char *path, uuid_t gfid, char *status)
                                            "%s", uuid_utoa (gfid));
         xmlTextWriterWriteFormatString (glfsh_writer, "%s", path);
         xmlTextWriterEndElement (glfsh_writer);
+        xmlTextWriterFlush (glfsh_writer);
         return;
 }
 
@@ -268,6 +272,7 @@ print:
                         remote_host ? remote_host : "-",
                         remote_subvol ? remote_subvol : "-");
         XML_RET_CHECK_AND_GOTO (x_ret, xml_out);
+        xmlTextWriterFlush (glfsh_writer);
 xml_out:
         return ret;
 }