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Diffstat (limited to '')
-rw-r--r-- | src/lib/nfs/Manager.hxx | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/lib/nfs/Manager.hxx b/src/lib/nfs/Manager.hxx new file mode 100644 index 000000000..11a779a2a --- /dev/null +++ b/src/lib/nfs/Manager.hxx @@ -0,0 +1,79 @@ +/* + * 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 |