JustSendIt Prototype

Warning! Some information on this page is older than 5 years now. I keep it for reference, but it probably doesn't reflect my current knowledge and beliefs.

# JustSendIt Prototype

20:00
Thu
07
Oct 2010

It's not a new idea for me, but last weekend it made me angry again that I couldn't send a file from my laptop to my desktop PC over my home local network. It may seem strange and it's really shocking to me because transferring data is the most fundamental thing we do when using any kind of network. But at the same time I don't know about any program that would simply allow me to send a file to a destination machine without being overly sophisticated or causing some strange technical problems. Here are solutions I've considered:

Network Neighbourhood - most natural way of passing files between Windows computers. I tried to share some folder on my laptop to access it from my PC and it didn't work, despite machines could contact each other via hostname or IP. Same happened when I shared a folder on my desktop and tried to enter it from my laptop. Well, we all know that this service often stop working randomly... Disabling Windows Firewall on both machines didn't help either.

FTP - I have FileZilla FTP server installed on both machines and I know it's quite good software, but that day I couldn't make it work. I could logon to the server from remote machine, but not to transfer any file. I tried different settings on client side like Passive Mode etc., but it changed nothing. I don't like the idea of using FTP to transfer files anyway, because why do I have to install the server, setup user accounts etc. when I just want to transfer a file? Besides, FTP protocol is known for causing technical problems because it opens separate connections on different ports to transfer data.

Other possibilities to send a file over a network are:

So finally I've used an USB flash memory stick to copy this file :P But after this, I've recalled my old idea about a simple program to transfer files over a network called JustSendIt [PL]. Then I decided to code a quick prototype of such program in C# and here it is: JustSendIt Prototype. It requires .NET Framework 4.0 to work.


If you have some computers at home or at work that you transfer files between or if you want to a file to your friend over the Internet, you are sure one of the computers have public IP or is set as DMZ so the other can connect to it, the way to send a file is:

  1. Run JustSendIt Prototype on both machines.
  2. On the receiving machine, go to Receive tab and press Load button to see your computer name and IP address..
  3. On the sending machine, go to Send tab, click Browse button to select a file to be sent, as well as enter the name or IP of the destination computer.
  4. On receiving machine, press the big Receive! buton to start waiting for incoming connections.
  5. On sending machine, press the big Send! button to connect to the second machine.
  6. On the receiving machine, a dialog pops-up to as user about the directory where to save the incoming file.
  7. After confirming this dialog, the file is transferred until finished.

I hope some day I'll find enough motivation to polish and finish this program :)

Comments | #networking #tools #windows Share

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