64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
/*
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* Copyright 2003-2022 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "Item.hxx"
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#include "Lease.hxx"
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#include "input/InputStream.hxx"
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#include <cassert>
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InputCacheItem::InputCacheItem(InputStreamPtr _input) noexcept
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:BufferingInputStream(std::move(_input)),
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uri(GetInput().GetURI())
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{
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}
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InputCacheItem::~InputCacheItem() noexcept
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{
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assert(leases.empty());
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}
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void
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InputCacheItem::AddLease(InputCacheLease &lease) noexcept
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{
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const std::scoped_lock<Mutex> lock(mutex);
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leases.push_back(lease);
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}
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void
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InputCacheItem::RemoveLease(InputCacheLease &lease) noexcept
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{
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const std::scoped_lock<Mutex> lock(mutex);
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auto i = leases.iterator_to(lease);
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if (i == next_lease)
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++next_lease;
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leases.erase(i);
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// TODO: ensure that OnBufferAvailable() isn't currently running
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}
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void
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InputCacheItem::OnBufferAvailable() noexcept
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{
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for (auto i = leases.begin(); i != leases.end(); i = next_lease) {
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next_lease = std::next(i);
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i->OnInputCacheAvailable();
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}
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}
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