initial code repo

[stor4nfv.git] / src / ceph / src / common / entity_name.cc

diff --git a/src/ceph/src/common/entity_name.cc b/src/ceph/src/common/entity_name.cc
new file mode 100644 (file)
index 0000000..7c9cd78
--- /dev/null
+++ b/src/ceph/src/common/entity_name.cc
@@ -0,0 +1,176 @@
+// -*- 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) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include "common/entity_name.h"
+
+#include <sstream>
+
+using std::string;
+
+extern const char *ceph_entity_type_name(int type);
+
+struct str_to_entity_type_t {
+  uint32_t type;
+  const char *str;
+};
+
+static const str_to_entity_type_t STR_TO_ENTITY_TYPE[] = {
+  { CEPH_ENTITY_TYPE_AUTH, "auth" },
+  { CEPH_ENTITY_TYPE_MON, "mon" },
+  { CEPH_ENTITY_TYPE_OSD, "osd" },
+  { CEPH_ENTITY_TYPE_MDS, "mds" },
+  { CEPH_ENTITY_TYPE_MGR, "mgr" },
+  { CEPH_ENTITY_TYPE_CLIENT, "client" },
+};
+
+EntityName::
+EntityName()
+  : type(0)
+{
+}
+
+const std::string& EntityName::
+to_str() const
+{
+  return type_id;
+}
+
+const char* EntityName::
+to_cstr() const
+{
+  return type_id.c_str();
+}
+
+bool EntityName::
+from_str(const string& s)
+{
+  size_t pos = s.find('.');
+
+  if (pos == string::npos)
+    return false;
+ 
+  string type_ = s.substr(0, pos);
+  string id_ = s.substr(pos + 1);
+  if (set(type_, id_))
+    return false;
+  return true;
+}
+
+void EntityName::
+set(uint32_t type_, const std::string &id_)
+{
+  type = type_;
+  id = id_;
+
+  if (type) {
+    std::ostringstream oss;
+    oss << ceph_entity_type_name(type_) << "." << id_;
+    type_id = oss.str();
+  } else {
+    type_id.clear();
+  }
+}
+
+int EntityName::
+set(const std::string &type_, const std::string &id_)
+{
+  uint32_t t = str_to_ceph_entity_type(type_.c_str());
+  if (t == CEPH_ENTITY_TYPE_ANY)
+    return -EINVAL;
+  set(t, id_);
+  return 0;
+}
+
+void EntityName::
+set_type(uint32_t type_)
+{
+  set(type_, id);
+}
+
+int EntityName::
+set_type(const char *type_)
+{
+  return set(type_, id);
+}
+
+void EntityName::
+set_id(const std::string &id_)
+{
+  set(type, id_);
+}
+
+void EntityName::set_name(entity_name_t n)
+{
+  char s[40];
+  sprintf(s, "%lld", (long long)n.num());
+  set(n.type(), s);
+}
+
+const char* EntityName::
+get_type_str() const
+{
+  return ceph_entity_type_name(type);
+}
+
+const char *EntityName::
+get_type_name() const
+{
+  return ceph_entity_type_name(type);
+}
+
+const std::string &EntityName::
+get_id() const
+{
+  return id;
+}
+
+bool EntityName::
+has_default_id() const
+{
+  return (id == "admin");
+}
+
+std::string EntityName::
+get_valid_types_as_str()
+{
+  std::string out;
+  size_t i;
+  std::string sep("");
+  for (i = 0; i < sizeof(STR_TO_ENTITY_TYPE)/sizeof(STR_TO_ENTITY_TYPE[0]); ++i) {
+    out += sep;
+    out += STR_TO_ENTITY_TYPE[i].str;
+    sep = ", ";
+  }
+  return out;
+}
+
+bool operator<(const EntityName& a, const EntityName& b)
+{
+  return (a.type < b.type) || (a.type == b.type && a.id < b.id);
+}
+
+std::ostream& operator<<(std::ostream& out, const EntityName& n)
+{
+  return out << n.to_str();
+}
+
+uint32_t str_to_ceph_entity_type(const char * str)
+{
+  size_t i;
+  for (i = 0; i < sizeof(STR_TO_ENTITY_TYPE)/sizeof(STR_TO_ENTITY_TYPE[0]); ++i) {
+    if (strcmp(str, STR_TO_ENTITY_TYPE[i].str) == 0)
+      return STR_TO_ENTITY_TYPE[i].type;
+  }
+  return CEPH_ENTITY_TYPE_ANY;
+}