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Apache-2.0

dawdler-series

注意:demo还没提交完成,请少安毋躁 提交完成之后大家再下载

项目介绍

dawdler-series 是rpc的一个解决方案,其特点简单、高效、安全。包含了容器,客户端,常用研发组件等.

为什么要重复的发明轮子?dawdler早期应用在linuxsir开源社区上(如今的www.linuxsir.org 由于公司原因已不再是java语言开发的了),2008年之前采用ejb3.0通过jboss4.x版本进行,2010年采用nio写了一个版本,但容器部分功能未做完整,直到2014年之后开始基于aio重新编写了容器dawdler.

dawdler成熟么?基于dawdler早先版本开发的linuxsir稳定运行在服务器上4年没有出现过任何性能问题(这块不足以证明,必定基于jboss)。dawdler还运行在了某一元购商城,某移动社区,某支付平台上,tps高峰时期可以达到上千,订单量每天在800-1000万条数据左右,稳定性方面表现的非常出色,没出现过问题。可放心使用出现问题可以打我,我不还手.通过本地测试单机下的dawdler每秒可以处理60000多次调用。

dawdler之美 架构上支持容器数据源,数据库读写分离,心跳探测,断网重连,优雅关机,rpc请求负载均衡,过滤器,监听器,web端验证器(根据后端验证配置自动生成前端js表达式)等功能。 以上是小功能,不够美吧?真正的独到之处在下面.

  1. 无需在客户端(消费者)定义服务端(服务器提供者)提供相同的接口定义,比如操作用户的service,UserService 这个接口客户端与服务器端需要存放两份,一般rpc框架或ejb3都用打jar包的方式来解决,在dawdler中完美的解决了此问题,dawdler的客户端(web端,消费者)没有代码,做到天下无码才是最爽的.

  2. controller 调试模式,不需要重启tomcat,dawdler容器,随时调试各种数据(重写了类加载器,千万别把这种实现方式与tomcat热加载搞混淆了,tomcat的相当于重新启动了,而dawdler不是).

  3. dawdler非常简单,启动神速,无需学习spring一样可以做研发。至于多简单?小学生都可以学会,老太太都会编程的年代你懂得.

软件架构

基于java语言研发 采用aio研发的容器与客户端 dawdler文件结构说明

    --bin 存放dawdler启动的jar包与脚本.

    --conf dawdler的配置信息,server-conf是服务器配置,datasources数据源配置.

    --deploys 部署dawdler的项目,如写了一个 user模块,admin模块,那下面就是user目录,admin目录,这与tomcat的webapps很像,更像jboss/WildFly的deploy的概念。每个目录的资源是独立使用的,包括类加载器.

    --lib 这里面的jar包是所有deploys下面的模块项目通用的,比如mysql驱动,数据库连接池等等相关的jar包 可以放到这里.

    --logs 存放日志的

安装教程

  1. 下载myservers,servers为dawdler服务器,zookeeper-3.5.2-alpha,zooinspector-master为图形化管理zookeeper的一个工具

  2. 启动dawdler,进入dawdler的bin目录,下面有dawdler.bat dawdler.sh win环境就用bat linux或Mac下请使用dawdler.sh. sh dawdler.sh会有以下输出

     commands:
     run               Start dawdler in the current window 在当前窗口启动dawdler
    
     start             Start dawdler in a separate window 在后台启动dawdler 
    
     stop              Stop dawdler 停止dawdler(关闭dawdler之前会拒绝所有的请求,同时等待处理完客户端的请求之后停止服务器)
    
     stopnow           Stop dawdler immediately 立刻停止dawdler,如果客户端有请求为处理完会收到一个强制停止的异常
  3. 启动zookeeper。执行 sh zkServer.sh start 启动zookeeper。

  4. 配置zookeeper,进入zooinspector-master的bin下执行 sh zooinspector.sh run 创建dawdler节点,在dawdler节点下创建defaultgroup 内容为 localhost:9530 这里的9530是dawdler的端口号。

如图下: zooinspector的界面

使用说明

  1. 下载demos/simple/demo-server(服务提供者,需要部署在dawdler的deploys下),demos/simple/demo-web(部署到tomcat端)

  2. demo是用eclipse写的,分别导入到eclipse中,demo-web不用多说(小学生都会将它部署到tomcat中)。demo-server可以直接将编译好的classes拷贝到dawdler的deploys目录的项目中,在实际开发的情况下建议将eclipse下的dawdler服务端的classes直接编译到dawdler/deploys/模块/classes。这样可以方便研发调试。

  3. dawdler-server 配置文件说明(容器端)

    3.1 dawdler-server/conf/server-conf.xml 点击这里查看详细说明

    3.2 dawdler-server/conf/datasources.xml 此配置比较简单根据不同数据库的连接池配置来做即可 点击这里查详细说明

  4. demo-server端(服务提供者)

    4.1 demo-server/src/src_config.xml 点击查看配置说明

    4.2 demo-server/src/com/anywide/load/loadconfig.xml 点击查看配置说明

  5. 未完待续,还有好多要写的,特别是关于生产环境下dawdler的配置,性能、安全性相关的.有问题可发送email:suxuan696@gmail.com或qq:121616325

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dawdler-series rpc的一个解决方案,基于aio编写,包含了容器,客户端,常用研发组件等 展开 收起
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