multicast-system's Introduction

Multicast System

This is a simple socket programming project which implements a multicast server and a client using C language (Unix/Linux machine).

A simple illustratin as below:

Usage

Compile

Client
```
gcc client.c -o client.o
```
Server
```
gcc server.c -o server.o
```

Run

Server
```
./server.o [port number]
```

Client

./client.o [IP address/localhost] [port number]

Running Test

Server

$ ./server.o 55397
Socket created.
Bind completed!
--------------------------------------
Please create a new group: Test
Please enter the maximum number of clients allowed: 5
New thread created!
--------------------------------------
Please enter the message or select action(1. status, 2.clear all): 1
No client connected yet.
--------------------
Please enter the message or select action(1. status, 2.clear all): Hi
Please enter the message or select action(1. status, 2.clear all): Test
Please enter the message or select action(1. status, 2.clear all): Hello
Please enter the message or select action(1. status, 2.clear all): 1
--------------------
Client: 1/5
IP address: 192.168.56.1
Port number: 64256
--------------------
Client: 2/5
IP address: 192.168.56.1
Port number: 52050
--------------------
Please enter the message or select action(1. status, 2.clear all): 2

Client

$ ./client.o localhost 55397
Socket created!
Bind completed!
--------------------------------------
Please enter the group name you want to join: Test
Please choose action(1. join, 2. quit): 1
You joined the group!
--------------------------------------
Receiving messages:
Hi
Test
Hello
Stop receiving message from Server!