bool TcpSession::writeMessage( const Message& msg )
{
if (!isOk())
{
return false;
}
boost::mutex::scoped_lock lock(_writeMutex);
if (!checkWriteBuffer(msg))
{
try
{
postWriteNull();
}
catch (std::exception& e)
{
LOGE("Try to write error ==> [ %s ]", e.what());
}
return false;
}
if ( _writeBuffer )
{
writeNolock((const char*)&msg, MessageHeaderLength);
writeNolock(msg._msgData, msg.messageDataLen());
return true;
}
LOGE("Write buffer is null");
return false;
}
/**
* seek to absolute position
**/
::std::streampos seekpos(::std::streampos sp, ::std::ios_base::openmode /* which */)
{
// flush write buffer before seeking anywhere
checkWriteBuffer();
// seek
off_t const off = doSeek(sp,SEEK_SET);
if ( off == static_cast<off_t>(-1) )
return -1;
// empty get buffer
setg(buffer.end(),buffer.end(),buffer.end());
// empty put buffer
setp(buffer.begin(),buffer.end()-1);
// set positions
readpos = off;
writepos = off;
return off;
}
