1 files changed, 107 insertions, 0 deletions
diff --git a/src/lib/nfs/Manager.cxx b/src/lib/nfs/Manager.cxx
new file mode 100644
index 000000000..6d50cce18
--- /dev/null
+++ b/src/lib/nfs/Manager.cxx
@@ -0,0 +1,107 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "Manager.hxx"
+#include "event/Loop.hxx"
+#include "Log.hxx"
+
+#include <string.h>
+
+void
+NfsManager::ManagedConnection::OnNfsConnectionError(Error &&error)
+{
+	FormatError(error, "NFS error on %s:%s", GetServer(), GetExportName());
+
+	/* defer deletion so the caller
+	   (i.e. NfsConnection::OnSocketReady()) can still use this
+	   object */
+	manager.ScheduleDelete(*this);
+}
+
+inline bool
+NfsManager::Compare::operator()(const LookupKey a,
+				const ManagedConnection &b) const
+{
+	int result = strcmp(a.server, b.GetServer());
+	if (result != 0)
+		return result < 0;
+
+	result = strcmp(a.export_name, b.GetExportName());
+	return result < 0;
+}
+
+inline bool
+NfsManager::Compare::operator()(const ManagedConnection &a,
+				const LookupKey b) const
+{
+	int result = strcmp(a.GetServer(), b.server);
+	if (result != 0)
+		return result < 0;
+
+	result = strcmp(a.GetExportName(), b.export_name);
+	return result < 0;
+}
+
+NfsManager::~NfsManager()
+{
+	assert(GetEventLoop().IsInside());
+
+	CollectGarbage();
+
+	connections.clear_and_dispose([](ManagedConnection *c){
+			delete c;
+		});
+}
+
+NfsConnection &
+NfsManager::GetConnection(const char *server, const char *export_name)
+{
+	assert(server != nullptr);
+	assert(export_name != nullptr);
+	assert(GetEventLoop().IsInside());
+
+	Map::insert_commit_data hint;
+	auto result = connections.insert_check(LookupKey{server, export_name},
+					       Compare(), hint);
+	if (result.second) {
+		auto c = new ManagedConnection(*this, GetEventLoop(),
+					       server, export_name);
+		connections.insert_commit(*c, hint);
+		return *c;
+	} else {
+		return *result.first;
+	}
+}
+
+void
+NfsManager::CollectGarbage()
+{
+	assert(GetEventLoop().IsInside());
+
+	garbage.clear_and_dispose([](ManagedConnection *c){
+			delete c;
+		});
+}
+
+void
+NfsManager::OnIdle()
+{
+	CollectGarbage();
+}