Sockets in CPP

Implementation of Sockets in c++

Task

To create programs of server and client using sockets that can do the following.

• Basic Client-Server
• Client-Server message send/recieve
• Client-Server message send/recieve on different machines
• Multiple client connections
• File upload/download
• Any 5 commands specified on client to execute on server

How to start

Server

./server <port>

Client

./client <hostname> <port>

Compiling

Server

g++ -pthread server.cpp -o server

Client

g++ client.cpp -o client

Server uses pthread to allow multiple client connections, hence -pthread is required to compile it.

Commands

Commands available once the connection is established.

Filesystem

Get current directory

pwd

Change current directory

cd <directory>

List all file of directory

ls

Upload/Download

Upload

fileup <path/filename> The file from client machine is saved on server machine where server executable is placed.

Download

filedown <path/filename> The file from server machine is saved on client machine where client executable is placed.

Arithmatic

(Calculation done on server)

Negation

neg <integer> Returns negative of integer provided.

Addition

add <int> <int> <int> .... Returns sum of all the integers provided.

Multiplication

mul <int> <int> <int> .... Return product of all the integers provided.

More to be added soon