Udp client server program to transfer a file

Ask a Question. Server-client file transfer using UDP in C. Please Sign up or sign in to vote. See more: C. I have to make a server-client file transfer using UDP. I have created a basic server which receives message sent by client. That's all. Now comes the major part :- 1. The message sent by client is the name of file. Now the server checks whether there exists this file or not. If there exists it sends the file to the client and it also keeps the count of the number of requests of file made by the client.

Here is the Server Code. Copy Code. Posted 1-Sep am Member Updated 7-Oct am Jochen Arndt. Add a Solution. If there exists it sends the file to the client and it also keeps the count of the number of requests of file made by the client. I am new to this and i don't get it how to proceed further. Improve this question. You have to make sure the receiver does not try to read in more data then sender sent. Otherwise the receiver might block, waiting forever for data never arriving. If the amount of data isn't constant or somehow known in advance, one will not get around to implement a minimum kind of protocol.

Add a comment. Active Oldest Votes. Improve this answer. Manoj Pandey Manoj Pandey 4, 1 1 gold badge 15 15 silver badges 18 18 bronze badges.

There is no need to add one afterwards. Well, what is not working. You will have to debug this in steps. First make sure that the file name is communicated from teh client to the server. Next, make sure that the server opens the file correctly verify for both cases by passing a valid name and an invalid name. The next step would be to have the server return the message whether file exists or not. After that, the client needs to issue recvfrom and get hte message.

I guess the client is not able to write the data in a new file. Transferring objects using UDP. I;m trying to compile your program everything goes cool, but then when file is being send, on server side i got this output:. ClassNotFoundException: client.

FileEvent at java. Hello if there is also a file located in the sourcefilepath with the same name. Will it be overwritten? Your email address will not be published. Transferring file using UDP Our example has two applications. Thank you very much. The only code working perfect i found about this!!!

Keep up the good work. I;m trying to compile your program everything goes cool, but then when file is being send, on server side i got this output: java. Please ensure that the FileEvent is in scope of both client and server. Failed to load latest commit information. View code. Server will create a subdirectory 'Received' in the current directory Application can run as a standalone app, passing UDP packets between client and server entities.

Out of order packets are handled. Transmit port is hard coded to Needs more unit tests std::filesystem inclusion creates an unusual build error. Build is only successful when doing a 'rebuild all'.