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115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2016 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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#ifndef STREAM_SERVER_H
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#define STREAM_SERVER_H
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#include <asio.hpp>
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#include <vector>
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#include <thread>
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#include <memory>
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#include <set>
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#include <sstream>
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#include <mutex>
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#include "streamSession.h"
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#include "streamreader/streamManager.h"
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#include "common/queue.h"
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#include "common/sampleFormat.h"
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#include "message/message.h"
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#include "message/codecHeader.h"
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#include "message/serverSettings.h"
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#include "controlServer.h"
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using asio::ip::tcp;
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typedef std::shared_ptr<tcp::socket> socket_ptr;
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struct StreamServerSettings
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{
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StreamServerSettings() :
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port(1704),
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controlPort(1705),
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codec("flac"),
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bufferMs(1000),
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sampleFormat("48000:16:2"),
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streamReadMs(20)
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{
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}
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size_t port;
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size_t controlPort;
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std::vector<std::string> pcmStreams;
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std::string codec;
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int32_t bufferMs;
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std::string sampleFormat;
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size_t streamReadMs;
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};
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/// Forwars PCM data to the connected clients
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/**
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* Reads PCM data using PipeStream, implements PcmListener to get the (encoded) PCM stream.
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* Accepts and holds client connections (StreamSession)
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* Receives (via the MessageReceiver interface) and answers messages from the clients
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* Forwards PCM data to the clients
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*/
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class StreamServer : public MessageReceiver, ControlMessageReceiver, PcmListener
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{
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public:
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StreamServer(asio::io_service* io_service, const StreamServerSettings& streamServerSettings);
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virtual ~StreamServer();
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void start();
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void stop();
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/// Send a message to all connceted clients
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// void send(const msg::BaseMessage* message);
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/// Clients call this when they receive a message. Implementation of MessageReceiver::onMessageReceived
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virtual void onMessageReceived(StreamSession* connection, const msg::BaseMessage& baseMessage, char* buffer);
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virtual void onDisconnect(StreamSession* connection);
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/// Implementation of ControllMessageReceiver::onMessageReceived, called by ControlServer::onMessageReceived
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virtual void onMessageReceived(ControlSession* connection, const std::string& message);
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/// Implementation of PcmListener
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virtual void onStateChanged(const PcmStream* pcmStream, const ReaderState& state);
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virtual void onChunkRead(const PcmStream* pcmStream, const msg::PcmChunk* chunk, double duration);
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virtual void onResync(const PcmStream* pcmStream, double ms);
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private:
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void startAccept();
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void handleAccept(socket_ptr socket);
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StreamSession* getStreamSession(const std::string& mac);
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mutable std::mutex sessionsMutex_;
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std::set<std::shared_ptr<StreamSession>> sessions_;
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asio::io_service* io_service_;
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std::shared_ptr<tcp::acceptor> acceptor_;
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StreamServerSettings settings_;
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Queue<std::shared_ptr<msg::BaseMessage>> messages_;
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std::unique_ptr<ControlServer> controlServer_;
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std::unique_ptr<StreamManager> streamManager_;
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};
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#endif
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