高并发C++应用程序框架 saf application framework

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saf (saf application framework) 是一个高并发的c++应用程序框架，它以RPC为基础，提供了动态载入模块的特性，为服务端开发人员只用关注于程序的业务逻辑，就可以实现远程方法调用，而不会关心底层的通信细节，另外，它还内置了一个简单的http server，用来查看服务器的运行状态。

特点

1:基于 google protobuf 的 RPC 框架
2:内置简单的http server用于查看系统状态
3:模块化的管理,只用在lib中增加动态库就可以达到增加rpc service的目的

结构

                                                             +--------------+
+-----------+      +------------+                           /|              |
|           |      |            |                          / | Handle Thread| --->-
|Net Thread \----->|   Decode   |\                        /  +--------------+     |
+-----------+\     +------------+ \  +-----------------+ /   +--------------+     |
              \                    \>|                 |/    |              |     |
               \                   />|Dispacher Thread +-----+ Handle Thread+---->+
+-----------+   \  +------------+ /  +-----------------+\    +--------------+     |
|           |    \ |            |/                       \   +--------------+     |
|Net Thread +----+>+   Decode   /                         \  |              |     |
+-----------+     \+------------+                          \ | Handle Thread|     |
          \        \                                         +---------+----+     |
           \        \                                                  |          |
            \        \                                                 |          |
             \     +--\---------+                                      |          |
              \    |            |<-------------------------------------+          |
               \   |   Encode   |                                                 |
                \  +------------+                                                 |
                 \ +------------+                                                 |
                  \|            |                                                 |
                   \   Encode   +<------------------------------------------------+
                   +------------+

编译例子

1:下载源码,它依赖与sails公共库:

git clone --recursive https://github.com/sails/saf.git

2:执行编辑脚本:

./build.sh

3:编译测试样例:

cd example
./build_test.sh

4:运行测试,比如运行echo_sync:

./src/server
./example/echo_sync/client

5:增加子模块,配置conf/sails.json: 在modules里增加一行,name是子模块名,path是子模块动态库的路径

性能

测试一

笔记本: T6400 @ 2.00GHz, cpu num:1, cpu cores:2 服务端和客户端都运行在这台电脑上

| server handle threads | client call threads | earch threads call num | run time  |
|-----------------------+---------------------+------------------------+-----------|
|                     1 |                   1 |                 100000 | 0m14.674s |
|                     1 |                   5 |                 100000 | 0m30.896s |
|                     1 |                  10 |                 100000 | 1m0.848s  |
|                     2 |                   1 |                 100000 | 0m14.409s |
|                     2 |                   5 |                 100000 | 0m27.911s |
|                     2 |                  10 |                 100000 | 0m50.760s |

2w tps.因为客户端和服务器在同一台电脑上,所以测试结果会比实际更低.