How can I let user interact with a C++ program compiled on my server?

Question

0.00/5 (No votes)

See more:

I'm making a website where user can write c++ code that will be compiled on my server. I'm using php exec function for compiling the code, but it doesn't allow user to interact with the code, i.e. take user input.

What I have tried:

I tried opening command prompt as a background process and then running the cpp executable file, still i cant take user input or use cin.
I need help taking user input.
I'm making something like codecademy but for C++ interactive tutorial.

Posted 21-Dec-16 5:55am

Tashifa

Updated 21-Dec-16 6:30am

Add a Solution

Comments

Richard MacCutchan 21-Dec-16 12:07pm

No it won't, because the execed process runs on the server, and the server input is expected to come from directly connected devices, not from remote stations.

Tashifa 21-Dec-16 12:29pm

can you guide me how online compilers let users interact with C++ program where user input is required through 'cin'?

Richard MacCutchan 22-Dec-16 4:08am

As I said above, you cannot use cin to read from a remote client. It needs to take input via a web page or other socket connected interface.

Tashifa 22-Dec-16 4:33am

how about something like this http://cpp.sh/
It takes user input through cin, I'm also trying to do something like this

Richard MacCutchan 22-Dec-16 6:58am

No, it does not take user input through cin, it is a web page and uses Javascript, AJAX etc.

Richard Deeming 21-Dec-16 12:47pm

That sounds incredibly dangerous. What's to stop a user from formatting your disk? Or stealing your files? Or changing your site to serve up malware?

Tashifa 22-Dec-16 4:31am

Yup, that's been bugging me too... I'll get to that later hopefully

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

KarstenK · Answer 1 · 2016-12-21T06:30:00

Solution 1

It is the typical scenario for some client server architecture like in this example. Another example from Microsoft.

An important problem is security: so encrypt data someday and an user/password store is needed.

Posted 21-Dec-16 6:30am

KarstenK

Comments

Tashifa 22-Dec-16 4:33am

Thank you!
I'll check them out.