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/*
* Copyright 2003-2017 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 "util/DeleteDisposer.hxx"
#include <string.h>
void
NfsManager::ManagedConnection::OnNfsConnectionError(std::exception_ptr &&e) noexcept
{
FormatError(e, "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 noexcept
{
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 noexcept
{
int result = strcmp(a.GetServer(), b.server);
if (result != 0)
return result < 0;
result = strcmp(a.GetExportName(), b.export_name);
return result < 0;
}
inline bool
NfsManager::Compare::operator()(const ManagedConnection &a,
const ManagedConnection &b) const noexcept
{
int result = strcmp(a.GetServer(), b.GetServer());
if (result != 0)
return result < 0;
result = strcmp(a.GetExportName(), b.GetExportName());
return result < 0;
}
NfsManager::~NfsManager() noexcept
{
assert(GetEventLoop().IsInside());
CollectGarbage();
connections.clear_and_dispose(DeleteDisposer());
}
NfsConnection &
NfsManager::GetConnection(const char *server, const char *export_name) noexcept
{
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() noexcept
{
assert(GetEventLoop().IsInside());
garbage.clear_and_dispose(DeleteDisposer());
}
void
NfsManager::OnIdle() noexcept
{
CollectGarbage();
}
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