AbstractMultiStream.hpp

/*
 * AbstractMultiStream.hpp
 *
 * Copyright (C) 2020 by RStudio, PBC
 *
 * Unless you have received this program directly from RStudio pursuant to the terms of a commercial license agreement
 * with RStudio, then this program is licensed to you under the following terms:
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 */
 
#ifndef LAUNCHER_PLUGINS_ABSTRACT_MULTI_STREAM_HPP
#define LAUNCHER_PLUGINS_ABSTRACT_MULTI_STREAM_HPP
 
#include <Noncopyable.hpp>
 
#include <string>
#include <set>
#include <mutex>
 
#include <Error.hpp>
#include <PImpl.hpp>
#include <comms/AbstractLauncherCommunicator.hpp>
 
namespace rstudio {
namespace launcher_plugins {
namespace system {
 
class User;
 
} // namespace system
} // namespace launcher_plugins
} // namespace rstudio
 
namespace rstudio {
namespace launcher_plugins {
namespace api {
 
template <typename R, typename ... Args>
class AbstractMultiStream : public Noncopyable
{
public:
   explicit AbstractMultiStream(comms::AbstractLauncherCommunicatorPtr in_launcherCommunicator);
 
   virtual void addRequest(uint64_t in_requestId, const system::User& in_requestUser) = 0;
 
   virtual Error initialize() = 0;
 
   bool isEmpty() const;
 
   virtual void removeRequest(uint64_t in_requestId);
 
protected:
   void onAddRequest(uint64_t in_requestId);
 
   void onRemoveRequest(uint64_t in_requestId);
 
   void sendResponse(Args... in_responseArgs);
 
   void sendResponse(const std::set<uint64_t>& in_requestIds, Args... in_responseArgs);
 
   mutable std::mutex m_mutex;
 
private:
   PRIVATE_IMPL(m_baseImpl);
};
 
} // namespace api
} // namespace launcher_plugins
} // namespace rstudio
 
#endif