initial code repo

[stor4nfv.git] / src / ceph / src / librados-config.cc

diff --git a/src/ceph/src/librados-config.cc b/src/ceph/src/librados-config.cc
new file mode 100644 (file)
index 0000000..ba4799a
--- /dev/null
+++ b/src/ceph/src/librados-config.cc
@@ -0,0 +1,79 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License version 2, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include "common/config.h"
+
+#include "common/ceph_argparse.h"
+#include "global/global_init.h"
+#include "global/global_context.h"
+#include "include/rados/librados.h"
+
+void usage()
+{
+  cout << "usage: librados-config [option]\n"
+       << "where options are:\n"
+       << "  --version                    library version\n"
+       << "  --vernum                     library version code\n";
+}
+
+void usage_exit()
+{
+  usage();
+  exit(1);
+}
+
+int main(int argc, const char **argv) 
+{
+  vector<const char*> args;
+  argv_to_vec(argc, argv, args);
+  env_to_vec(args);
+
+  bool opt_version = false;
+  bool opt_vernum = false;
+
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+                        CODE_ENVIRONMENT_UTILITY,
+                        CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+  common_init_finish(g_ceph_context);
+  for (std::vector<const char*>::iterator i = args.begin();
+       i != args.end(); ) {
+    if (strcmp(*i, "--") == 0) {
+      break;
+    }
+    else if (strcmp(*i, "--version") == 0) {
+      opt_version = true;
+      i = args.erase(i);
+    }
+    else if (strcmp(*i, "--vernum") == 0) {
+      opt_vernum = true;
+      i = args.erase(i);
+    }
+    else
+      ++i;
+  }
+
+  if (!opt_version && !opt_vernum)
+    usage_exit();
+
+  if (opt_version) {
+    int maj, min, ext;
+    rados_version(&maj, &min, &ext);
+    cout << maj << "." << min << "." << ext << std::endl;
+  } else if (opt_vernum) {
+    cout << hex << LIBRADOS_VERSION_CODE << dec << std::endl;
+  }
+
+  return 0;
+}
+