add server error category class

src/cpp/server/CMakeLists.txt

@@ -24,6 +24,7 @@ file(GLOB_RECURSE SERVER_HEADER_FILES "*.h*")
 set(SERVER_SOURCE_FILES
    ServerAppArmor.cpp
    ServerBrowser.cpp
+   ServerErrorCategory.cpp
    ServerEval.cpp
    ServerInit.cpp
    ServerMain.cpp

src/cpp/server/ServerErrorCategory.cpp

@@ -0,0 +1,64 @@
+/*
+ * ServerErrorCategory.cpp
+ *
+ * Copyright (C) 2009-12 by RStudio, Inc.
+ *
+ * Unless you have received this program directly from RStudio pursuant
+ * to the terms of a commercial license agreement with RStudio, then
+ * this program is licensed to you under the terms of version 3 of the
+ * GNU Affero General Public License. This program is distributed WITHOUT
+ * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
+ * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
+ *
+ */
+
+#include <server/ServerErrorCategory.hpp>
+
+namespace server {
+
+class ServerErrorCategory : public boost::system::error_category
+{
+public:
+   virtual const char * name() const;
+   virtual std::string message( int ev ) const;
+};
+
+const boost::system::error_category& serverCategory()
+{
+   static ServerErrorCategory serverErrorCategoryConst ;
+   return serverErrorCategoryConst ;
+}
+
+const char * ServerErrorCategory::name() const
+{
+   return "server" ;
+}
+
+std::string ServerErrorCategory::message( int ev ) const
+{
+	std::string message ;
+	switch (ev)
+	{         
+      case errc::AuthenticationError:
+         message = "Authentication error";
+         break;
+
+      default:
+         message = "Unknown error" ;
+         break;
+	}
+
+	return message ;
+}
+
+
+bool isAuthenticationError(const core::Error& error)
+{
+   if (error.code() == server::errc::AuthenticationError)
+      return true;
+   else
+      return false;
+}
+
+} // namespace server

src/cpp/server/include/server/ServerErrorCategory.hpp

@@ -0,0 +1,69 @@
+/*
+ * ServerErrorCategory.hpp
+ *
+ * Copyright (C) 2009-12 by RStudio, Inc.
+ *
+ * Unless you have received this program directly from RStudio pursuant
+ * to the terms of a commercial license agreement with RStudio, then
+ * this program is licensed to you under the terms of version 3 of the
+ * GNU Affero General Public License. This program is distributed WITHOUT
+ * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
+ * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
+ *
+ */
+
+#ifndef SERVER_SERVER_ERROR_CATEGORY_HPP
+#define SERVER_SERVER_ERROR_CATEGORY_HPP
+
+#include <boost/system/error_code.hpp>
+
+namespace server {
+namespace errc {
+
+enum errc_t {
+   Success = 0,
+   AuthenticationError
+};
+
+} // namespace errc
+} // namespace r
+
+
+namespace boost {
+namespace system {
+template <>
+struct is_error_code_enum<server::errc::errc_t>
+ { static const bool value = true; };
+} // namespace system
+} // namespace boost
+
+
+#include <core/Error.hpp>
+
+namespace server {
+
+const boost::system::error_category& serverCategory() ;
+
+namespace errc {
+
+inline boost::system::error_code make_error_code( errc_t e )
+{
+   return boost::system::error_code( e, serverCategory() ); }
+
+inline boost::system::error_condition make_error_condition( errc_t e )
+{
+   return boost::system::error_condition( e, serverCategory() );
+}
+
+} // namespace errc
+
+
+bool isAuthenticationError(const core::Error& error);
+
+
+} // namespace server
+
+
+#endif // SERVER_SERVER_ERROR_CATEGORY_HPP
+