From 3721790fcfed6636d0956e401264f6482277c376 Mon Sep 17 00:00:00 2001
From: Bassam Tabbara <bassam.tabbara@quantum.com>
Date: Fri, 18 Nov 2016 14:40:30 -0800
Subject: [PATCH] embedded: add MDS to libcephd

Added MDS to libcephd

Signed-off-by: Bassam Tabbara <bassam.tabbara@quantum.com>
---
 src/ceph_mds.cc              | 8 ++++++--
 src/include/cephd/libcephd.h | 9 +++++++++
 src/libcephd/CMakeLists.txt  | 4 +++-
 src/libcephd/libcephd.cc     | 6 ++++++
 4 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/ceph_mds.cc b/src/ceph_mds.cc
index a444d573975..4cd951918ad 100644
--- a/src/ceph_mds.cc
+++ b/src/ceph_mds.cc
@@ -49,7 +49,7 @@ using namespace std;
 #define dout_context g_ceph_context
 #define dout_subsys ceph_subsys_mds
 
-void usage()
+static void usage()
 {
   cout << "usage: ceph-mds -i name [flags] [[--hot-standby][rank]]\n"
        << "  -m monitorip:port\n"
@@ -86,7 +86,11 @@ static void handle_mds_signal(int signum)
     mds->handle_signal(signum);
 }
 
-int main(int argc, const char **argv) 
+#ifdef BUILDING_FOR_EMBEDDED
+extern "C" int cephd_mds(int argc, const char **argv)
+#else
+int main(int argc, const char **argv)
+#endif
 {
   vector<const char*> args;
   argv_to_vec(argc, argv, args);
diff --git a/src/include/cephd/libcephd.h b/src/include/cephd/libcephd.h
index d8f90c6ddd3..5538c058ad1 100644
--- a/src/include/cephd/libcephd.h
+++ b/src/include/cephd/libcephd.h
@@ -76,6 +76,15 @@ CEPH_LIBCEPHD_API int cephd_run_mon(int argc, const char **argv);
  */
 CEPH_LIBCEPHD_API int cephd_run_osd(int argc, const char **argv);
 
+/**
+ * Runs ceph-mds passing in command line args
+ *
+ * @param argc number of parameters
+ * @param argv array of string arguments
+ * @returns 0 on success, negative error code on failure
+ */
+CEPH_LIBCEPHD_API int cephd_run_mds(int argc, const char **argv);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/libcephd/CMakeLists.txt b/src/libcephd/CMakeLists.txt
index b5e398f0fb9..0eb06371f2a 100644
--- a/src/libcephd/CMakeLists.txt
+++ b/src/libcephd/CMakeLists.txt
@@ -3,7 +3,8 @@ include(MergeStaticLibraries)
 add_library(cephd_base STATIC
   libcephd.cc
   ../ceph_mon.cc
-  ../ceph_osd.cc)
+  ../ceph_osd.cc
+  ../ceph_mds.cc)
 
 set_target_properties(cephd_base PROPERTIES COMPILE_DEFINITIONS BUILDING_FOR_EMBEDDED)
 
@@ -21,6 +22,7 @@ set(merge_libs
   global
   json_spirit
   kv
+  mds
   mon
   os
   osd
diff --git a/src/libcephd/libcephd.cc b/src/libcephd/libcephd.cc
index 6adf4d3fa8e..1139b5eb5db 100644
--- a/src/libcephd/libcephd.cc
+++ b/src/libcephd/libcephd.cc
@@ -223,6 +223,7 @@ void cephd_preload_rados_classes(OSD *osd)
 
 extern "C" int cephd_mon(int argc, const char **argv);
 extern "C" int cephd_osd(int argc, const char **argv);
+extern "C" int cephd_mds(int argc, const char **argv);
 
 int cephd_run_mon(int argc, const char **argv)
 {
@@ -233,3 +234,8 @@ int cephd_run_osd(int argc, const char **argv)
 {
     return cephd_osd(argc, argv);
 }
+
+int cephd_run_mds(int argc, const char **argv)
+{
+    return cephd_mds(argc, argv);
+}
-- 
2.47.3