mirror of
https://github.com/badaix/snapcast
synced 2025-02-22 23:24:29 +01:00
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2025 Johannes Pohl
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#pragma once
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// local headers
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#include "jsonrpcpp.hpp"
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#include "server_settings.hpp"
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// 3rd party headers
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#include <boost/asio/any_io_executor.hpp>
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#include <boost/process.hpp>
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// standard headers
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#include <filesystem>
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#include <map>
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#include <string>
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namespace bp = boost::process;
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using json = nlohmann::json;
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namespace streamreader
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{
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class StreamControl
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{
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public:
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using OnRequest = std::function<void(const jsonrpcpp::Request& response)>;
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using OnNotification = std::function<void(const jsonrpcpp::Notification& response)>;
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using OnResponse = std::function<void(const jsonrpcpp::Response& response)>;
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using OnLog = std::function<void(std::string message)>;
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explicit StreamControl(const boost::asio::any_io_executor& executor);
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virtual ~StreamControl() = default;
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void start(const std::string& stream_id, const ServerSettings& server_setttings, const OnNotification& notification_handler,
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const OnRequest& request_handler, const OnLog& log_handler);
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void command(const jsonrpcpp::Request& request, const OnResponse& response_handler);
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protected:
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virtual void doCommand(const jsonrpcpp::Request& request) = 0;
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virtual void doStart(const std::string& stream_id, const ServerSettings& server_setttings) = 0;
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void onReceive(const std::string& json);
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void onLog(std::string message);
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boost::asio::any_io_executor executor_;
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private:
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OnRequest request_handler_;
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OnNotification notification_handler_;
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OnLog log_handler_;
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std::map<jsonrpcpp::Id, OnResponse> request_callbacks_;
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};
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class ScriptStreamControl : public StreamControl
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{
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public:
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ScriptStreamControl(const boost::asio::any_io_executor& executor, const std::filesystem::path& plugin_dir, std::string script, std::string params);
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virtual ~ScriptStreamControl() = default;
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private:
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/// Send a message to stdin of the process
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void doCommand(const jsonrpcpp::Request& request) override;
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void doStart(const std::string& stream_id, const ServerSettings& server_setttings) override;
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void stderrReadLine();
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void stdoutReadLine();
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bp::child process_;
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bp::pipe pipe_stdout_;
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bp::pipe pipe_stderr_;
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std::unique_ptr<boost::asio::posix::stream_descriptor> stream_stdout_;
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std::unique_ptr<boost::asio::posix::stream_descriptor> stream_stderr_;
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boost::asio::streambuf streambuf_stdout_;
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boost::asio::streambuf streambuf_stderr_;
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std::string script_;
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std::string params_;
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bp::opstream in_;
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};
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} // namespace streamreader
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