mirror of
https://github.com/badaix/snapcast.git
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131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
#include "serverConnection.h"
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#include <boost/lexical_cast.hpp>
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#include <iostream>
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#include "common/log.h"
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#define PCM_DEVICE "default"
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using namespace std;
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ServerConnection::ServerConnection(Stream* stream) : active_(false), stream_(stream)
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{
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}
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void ServerConnection::socketRead(tcp::socket* socket, void* to, size_t bytes)
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{
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size_t toRead = bytes;
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size_t len = 0;
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do
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{
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len += socket->read_some(boost::asio::buffer((char*)to + len, toRead));
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toRead = bytes - len;
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}
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while (toRead > 0);
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}
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void ServerConnection::start(MessageReceiver* receiver, const std::string& ip, int port)
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{
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messageReceiver = receiver;
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tcp::resolver resolver(io_service);
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tcp::resolver::query query(tcp::v4(), ip, boost::lexical_cast<string>(port));
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iterator = resolver.resolve(query);
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receiverThread = new thread(&ServerConnection::worker, this);
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}
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void ServerConnection::stop()
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{
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active_ = false;
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}
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BaseMessage* ServerConnection::getNextMessage(tcp::socket* socket)
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{
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BaseMessage baseMessage;
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size_t baseMsgSize = baseMessage.getSize();
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vector<char> buffer(baseMsgSize);
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socketRead(socket, &buffer[0], baseMsgSize);
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baseMessage.readVec(buffer);
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//cout << "type: " << baseMessage.type << ", size: " << baseMessage.size << "\n";
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if (baseMessage.size > buffer.size())
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buffer.resize(baseMessage.size);
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socketRead(socket, &buffer[0], baseMessage.size);
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BaseMessage* message = NULL;
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if (baseMessage.type == message_type::payload)
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message = new PcmChunk(stream_->format, 0);
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else if (baseMessage.type == message_type::header)
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message = new HeaderMessage();
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else if (baseMessage.type == message_type::sampleformat)
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message = new SampleFormat();
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if (message != NULL)
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message->readVec(buffer);
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return message;
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}
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void ServerConnection::onMessageReceived(BaseMessage* message)
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{
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if (message->type == message_type::payload)
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{
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if (decoder.decode((PcmChunk*)message))
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stream_->addChunk((PcmChunk*)message);
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else
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delete message;
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//cout << ", decoded: " << chunk->payloadSize << ", Duration: " << chunk->getDuration() << ", sec: " << chunk->tv_sec << ", usec: " << chunk->tv_usec/1000 << ", type: " << chunk->type << "\n";
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}
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else if (message->type == message_type::header)
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{
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decoder.setHeader((HeaderMessage*)message);
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}
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else if (message->type == message_type::sampleformat)
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{
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SampleFormat* sampleFormat = (SampleFormat*)message;
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cout << "SampleFormat rate: " << sampleFormat->rate << ", bits: " << sampleFormat->bits << ", channels: " << sampleFormat->channels << "\n";
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delete sampleFormat;
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}
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}
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void ServerConnection::worker()
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{
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active_ = true;
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while (active_)
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{
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try
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{
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tcp::socket s(io_service);
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s.connect(*iterator);
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struct timeval tv;
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tv.tv_sec = 5;
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tv.tv_usec = 0;
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setsockopt(s.native(), SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
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// std::clog << kLogNotice << "connected to " << ip << ":" << port << std::endl;
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while(active_)
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{
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BaseMessage* message = getNextMessage(&s);
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if (message == NULL)
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continue;
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if (messageReceiver != NULL)
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messageReceiver->onMessageReceived(message);
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else
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delete message;
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}
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}
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catch (const std::exception& e)
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{
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cout << kLogNotice << "Exception: " << e.what() << ", trying to reconnect" << std::endl;
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stream_->clearChunks();
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usleep(500*1000);
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}
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}
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}
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