/**
@brief Entry into program
@param argc Argument count
@param argv Argument vector
@return Success (or lackthereof) of program's execution
*/
int main(int argc, char **argv)
{
char* fileInfo;
if ( argc != 2 )
{
printf( "usage: %s filename", argv[0] );
}
else
{
FILE *file = fopen( argv[1], "r" );
if ( file == 0 )
{
printf( "Could not open file\n" );
return EXIT_FAILURE;
}
else
{
fileInfo = getMagicNumber(file);
getFileType(fileInfo);
}
}
free(fileInfo);
return EXIT_SUCCESS;
}
inline
bool
NdbReceiver::checkMagicNumber() const {
bool retVal = (theMagicNumber == getMagicNumber());
#ifdef NDB_NO_DROPPED_SIGNAL
if(!retVal){
abort();
}
#endif
return retVal;
}
/*!
\brief 接收但不处理数据
当有数据到来的时候，这个函数处理数据长度与魔数。\n
但它并不处理数据的内容而是将内容交给dataProcess()处理。\n
\sa MagicNumber dataProcess()
*/
void JConnectionBase::on_socket_readyRead()
{
static int size=0;
while(m_socket->bytesAvailable()>0)
{
if(size>0)
{
QByteArray data=m_socket->read(size);
size=0;
dataProcess(data);
}else if(m_socket->bytesAvailable()>=(qint64)(sizeof(int)+sizeof(MagicNumber::JMagicNumber))){
QDataStream stream(m_socket);
MagicNumber::JMagicNumber mn;
stream>>mn;
stream>>size;
if(mn != getMagicNumber())
{
qDebug()<<"magic number error:"<<metaObject()->className()<<mn<<getMagicNumber();
}
}
}
