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icomet

A C1000K comet/push server built with libevent.

iComet is powerfull, can be used as the messaging server of many applications, such as web chat, mobile application, desktop application etc.

iComet provides a easy-to-use JavaScript library, with iComet js lib, you can build a web app that needs server-push feature very fast.

Documentation

https://github.com/ideawu/icomet/wiki

iComet's role in web system and mobile system

The work process of iComet in your system

Compile and Run

Compile:

wget --no-check-certificate https://github.com/ideawu/icomet/archive/master.zip
unzip master.zip
cd icomet-master/
make

Start icomet server

./icomet-server icomet.conf
# or run as daemon
./icomet-server -d icomet.conf
# stop
./icomet-server icomet.conf -s stop

Make a test via curl:

curl -v "http://127.0.0.1:8100/sub?cname=12&seq=1"
# open another terminal
curl -v "http://127.0.0.1:8000/push?cname=12&content=hi"

JavaScript Library Usage

var comet = new iComet({
    channel: 'abc',
    signUrl: 'http://127.0.0.1:8000/sign',
    subUrl: 'http://127.0.0.1:8100/sub',
    callback: function(content){
        // on server push
        alert(content);
    }
});

Supported Platforms and Browsers

Java/Android API

• https://github.com/DuoZhang/iCometClient4j
• Android App Demo

Run the chat demo

1. Compile and start icomet server
2. Drag and drop the file demo/web/chat.html into one web browser
3. Drag and drop the file demo/web/chat.html into another different web browser
4. Start chatting!

Live demo

This live demo is based on https://github.com/ideawu/icomet-demos, which has buddy list, chat history, and other features.

Live Demo: http://www.ideawu.com/icomet/chat.html

Nginx + icomet

You can integrate icomet with nginx. If you are running you website on port 80 with domain www.test.com. That is you visit your website home page with this url:

http://www.test.com/

Then you want to run icomet on the same server with port 80, for the concern of firewall issue. You can config nginx to pass request to icomet:

location ~ ^/icomet/.* {
	rewrite ^/icomet/(.*) /$1 break;

	proxy_read_timeout 60;
	proxy_connect_timeout 60;
	proxy_buffering off;
	proxy_pass   http://127.0.0.1:8100;
}   

Then, this url is used to subscribe to icomet channel xxx:

http://www.test.com/icomet/sub?cname=xxx

Misc

icomet 源码分析

Users

• xiaozhu.com
• testin.cn

QQ group

• 389083972