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Diffstat (limited to 'ingen/QueuedInterface.hpp')
-rw-r--r-- | ingen/QueuedInterface.hpp | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/ingen/QueuedInterface.hpp b/ingen/QueuedInterface.hpp deleted file mode 100644 index bf424edd..00000000 --- a/ingen/QueuedInterface.hpp +++ /dev/null @@ -1,66 +0,0 @@ -/* - This file is part of Ingen. - Copyright 2018 David Robillard <http://drobilla.net/> - - Ingen is free software: you can redistribute it and/or modify it under the - terms of the GNU Affero General Public License as published by the Free - Software Foundation, either version 3 of the License, or any later version. - - Ingen 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 Affero General Public License for details. - - You should have received a copy of the GNU Affero General Public License - along with Ingen. If not, see <http://www.gnu.org/licenses/>. -*/ - -#ifndef INGEN_ENGINE_QUEUEDINTERFACE_HPP -#define INGEN_ENGINE_QUEUEDINTERFACE_HPP - -#include <mutex> -#include <vector> - -#include "ingen/Interface.hpp" -#include "ingen/Message.hpp" - -namespace Ingen { - -/** Stores all messages and emits them to a sink on demand. - * - * This can be used to make an interface thread-safe. - */ -class QueuedInterface : public Interface -{ -public: - explicit QueuedInterface(SPtr<Interface> sink) : _sink(std::move(sink)) {} - - URI uri() const override { return URI("ingen:/QueuedInterface"); } - - void message(const Message& message) override { - std::lock_guard<std::mutex> lock(_mutex); - _messages.emplace_back(message); - } - - void emit() { - std::vector<Message> messages; - { - std::lock_guard<std::mutex> lock(_mutex); - _messages.swap(messages); - } - - for (const auto& i : messages) { - _sink->message(i); - } - } - - const SPtr<Interface>& sink() const { return _sink; } - -private: - std::mutex _mutex; - SPtr<Interface> _sink; - std::vector<Message> _messages; -}; - -} // namespace Ingen - -#endif // INGEN_ENGINE_QUEUEDINTERFACE_HPP |