snapcast/client/serverConnection.cpp
(no author) b61c6f0217 send sample format
git-svn-id: svn://elaine/murooma/trunk@238 d8a302eb-03bc-478d-80e4-98257eca68ef
2014-09-06 12:54:15 +00:00

131 lines
3.2 KiB
C++

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