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+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_NFS_MANAGER_HXX
+#define MPD_NFS_MANAGER_HXX
+
+#include "check.h"
+#include "Connection.hxx"
+
+#include <string>
+#include <map>
+
+/**
+ * A manager for NFS connections. Handles multiple connections to
+ * multiple NFS servers.
+ */
+class NfsManager {
+ class ManagedConnection final : public NfsConnection {
+ NfsManager &manager;
+
+ public:
+ ManagedConnection(NfsManager &_manager, EventLoop &_loop,
+ const char *_server,
+ const char *_export_name)
+ :NfsConnection(_loop, _server, _export_name),
+ manager(_manager) {}
+
+#if defined(__GNUC__) && !defined(__clang__) && !GCC_CHECK_VERSION(4,8)
+ /* needed due to lack of std::map::emplace() */
+ ManagedConnection(ManagedConnection &&other)
+ :NfsConnection(std::move(other)),
+ manager(other.manager) {}
+#endif
+
+ protected:
+ /* virtual methods from NfsConnection */
+ void OnNfsConnectionError(Error &&error) override;
+ };
+
+ EventLoop &loop;
+
+ /**
+ * Maps server+":"+export_name (see method Key()) to
+ * #ManagedConnection.
+ */
+ std::map<std::string, ManagedConnection> connections;
+
+public:
+ NfsManager(EventLoop &_loop)
+ :loop(_loop) {}
+
+ gcc_pure
+ NfsConnection &GetConnection(const char *server,
+ const char *export_name);
+
+private:
+ gcc_pure
+ static std::string Key(const char *server, const char *export_name) {
+ return std::string(server) + ':' + export_name;
+ }
+};
+
+#endif