FTP Program using multiple Threads

[neveffects]

Hello Everyone,

I am facing a problem in using the QFtp class in QT4.7.0 and my Qt creator is 2.0.1 I am trying to send one file to another machine using QFtp. I am trying this within multipe threads. I have tried in a single thread , then also it is not connecting or sending any file.

My code is attaching here:

mutex->lock();
ftp->connectToHost (route,9012);
ftp->login ("administrator","admin");
 
connect(ftp,SIGNAL(stateChanged(int)),this,SLOT(Status(int)));
connect(ftp,SIGNAL(dataTransferProgress(int,int)),this,SLOT(UpdateProgress(int,int)));
ftp->put( filetrans,aliasname);
mutex->unlock();

mutex->lock();
ftp->connectToHost (route,9012);
ftp->login ("administrator","admin");

connect(ftp,SIGNAL(stateChanged(int)),this,SLOT(Status(int)));
connect(ftp,SIGNAL(dataTransferProgress(int,int)),this,SLOT(UpdateProgress(int,int)));
ftp->put( filetrans,aliasname);
mutex->unlock();

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Please Help me.

Thanks in advance.