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Add abstract AsioStream class

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badaix 2019-11-27 20:44:34 +01:00
parent b00ee4aaf8
commit 48e76ea58d
5 changed files with 168 additions and 180 deletions
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86
server/streamreader/pipe_stream.cpp
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@ -33,7 +33,8 @@ using namespace std;
PipeStream::PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri) : PcmStream(pcmListener, ioc, uri), timer_(ioc)
PipeStream::PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri)
: AsioStream<boost::asio::posix::stream_descriptor>(pcmListener, ioc, uri)
{
umask(0);
string mode = uri_.getQuery("mode", "create");
@ -51,92 +52,21 @@ PipeStream::PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, c
}
PipeStream::~PipeStream()
void PipeStream::connect()
{
fifo_->close();
}
void PipeStream::start()
{
encoder_->init(this, sampleFormat_);
active_ = true;
do_accept();
}
void PipeStream::do_accept()
{
LOG(DEBUG) << "do_accept\n";
LOG(DEBUG) << "connect\n";
auto self = shared_from_this();
auto fd = open(uri_.path.c_str(), O_RDONLY | O_NONBLOCK);
fifo_ = std::make_unique<boost::asio::posix::stream_descriptor>(ioc_, fd);
chronos::systemtimeofday(&tv_chunk_);
tvEncodedChunk_ = tv_chunk_;
nextTick_ = chronos::getTickCount();
first_ = true;
do_read();
stream_ = std::make_unique<boost::asio::posix::stream_descriptor>(ioc_, fd);
on_connect();
}
void PipeStream::do_read()
void PipeStream::disconnect()
{
// LOG(DEBUG) << "do_read\n";
auto self = shared_from_this();
chunk_->timestamp.sec = tv_chunk_.tv_sec;
chunk_->timestamp.usec = tv_chunk_.tv_usec;
boost::asio::async_read(*fifo_, boost::asio::buffer(chunk_->payload, chunk_->payloadSize),
[this, self](boost::system::error_code ec, std::size_t length) mutable {
if (ec)
{
LOG(ERROR) << "Error reading message: " << ec.message() << ", length: " << length << "\n";
do_accept();
return;
}
// LOG(DEBUG) << "Read: " << length << " bytes\n";
if (first_)
{
first_ = false;
chronos::systemtimeofday(&tv_chunk_);
chunk_->timestamp.sec = tv_chunk_.tv_sec;
chunk_->timestamp.usec = tv_chunk_.tv_usec;
tvEncodedChunk_ = tv_chunk_;
nextTick_ = chronos::getTickCount();
}
encoder_->encode(chunk_.get());
nextTick_ += pcmReadMs_;
chronos::addUs(tv_chunk_, pcmReadMs_ * 1000);
long currentTick = chronos::getTickCount();
if (nextTick_ >= currentTick)
{
setState(kPlaying);
timer_.expires_from_now(boost::posix_time::milliseconds(nextTick_ - currentTick));
timer_.async_wait([self, this](const boost::system::error_code& ec) {
if (ec)
{
LOG(ERROR) << "Error during async wait: " << ec.message() << "\n";
}
else
{
do_read();
}
});
return;
}
else
{
chronos::systemtimeofday(&tv_chunk_);
tvEncodedChunk_ = tv_chunk_;
pcmListener_->onResync(this, currentTick - nextTick_);
nextTick_ = currentTick;
do_read();
}
});
stream_->close();
}
// void PipeStream::worker()
// {
// timeval tvChunk;