参考:
官网:
http://www.eclipse.org/proposals/technology.paho/
基本理论:
http://xiaoxinzhou.blog.163.com/blog/static/20704538620145411306821/
例子:
http://blog.youkuaiyun.com/axuanqq/article/details/51897427
比较详细点的
http://www.itnose.net/detail/6652162.html