void WriteBufferFromPocoSocket::nextImpl()
{
if (!offset())
return;
Stopwatch watch;
size_t bytes_written = 0;
while (bytes_written < offset())
{
ssize_t res = 0;
/// Add more details to exceptions.
try
{
res = socket.impl()->sendBytes(working_buffer.begin() + bytes_written, offset() - bytes_written);
}
catch (const Poco::Net::NetException & e)
{
throw NetException(e.displayText() + ", while writing to socket (" + peer_address.toString() + ")", ErrorCodes::NETWORK_ERROR);
}
catch (const Poco::TimeoutException &)
{
throw NetException("Timeout exceeded while writing to socket (" + peer_address.toString() + ")", ErrorCodes::SOCKET_TIMEOUT);
}
catch (const Poco::IOException & e)
{
throw NetException(e.displayText() + ", while writing to socket (" + peer_address.toString() + ")", ErrorCodes::NETWORK_ERROR);
}
if (res < 0)
throw NetException("Cannot write to socket (" + peer_address.toString() + ")", ErrorCodes::CANNOT_WRITE_TO_SOCKET);
bytes_written += res;
}
ProfileEvents::increment(ProfileEvents::NetworkSendElapsedMicroseconds, watch.elapsedMicroseconds());
}
