Cloud Drive

Cloud drive server and client to store files remotely, implemented using C++.

Client can login by entering client ID to manage files across sessions.

Command for Client

Command	Function
PUT <filename_1> <filename_2>	Upload local file <filename_1> and rename it to <filename_2> in cloud drive.
GET <filename_1> <filename_2>	Download <filename_1> and rename it to <filename_2> in local drive.
LIST	Show the list of all files in cloud drive.
EXIT	Close connection to server and terminate.

How to Run

Compile server/client source code.

$ g++ -o server server.cpp
$ g++ -o client client.cpp

Start server on TCP port <port_number>.

$ ./server <port_number>

Start client and connect to server with IPv4 address <IP_addr> and TCP port <port_number>.

$ ./client <IP_addr> <port_number>

Versions

There are multiple versions of cloud drive server/client.

select_login

• Support login/logout by client ID to manage cloud drive across sessions.

• Support multiple client connections (Concurrent connections of the same ID not allowed).

• Implemented using select().

select

• Support multiple client connections.

• Implemented using select().

fork

• Support multiple client connections.

• Implemented using fork().

iterative

• Support single client connection.

Note

Client should enter command only after the previous one is already processed by server.

Server stores files in RAM.