Client-Server-Bank-System

System

• Ubuntu Desktop 21.10

Programming Language

• C++

Introduction

• A simple bank system using C++ in Linux.
• This system only accepts the localhost(127.0.0.1) as source IP address
• It only allows the same user to use it ,but the user can operate at the same time in different places.

The Implemented Functions:

Name	Content
Deposit, Withdraw , Balance-Checking	It offers the basic functions
Multithreaded System	By socket programming and Pthread API, it can create multiple threads at the same time to handle the requests for the user.
The consistency of shared resources	By mutex in Pthread API, it can maintain the correctness of the synchronized data.
Logout	The user can send the interrupt signal using Ctrl-C to end the transaction.

Testing

1. Multithread Programming （The three users as follows）

2. To achieve the requests of critical section:

3. Software Interrupt — Signal:

4. The completed process （Login -> Deposit -> Withdraw -> Balance-Checking -> Logout）