nginx_modules

Build && Run

./configure --add-module=module_plugin --add-module=module_handle --add-module=module_upstream --add-module=module_subrequest --add-module=module_shm_dict --with-http_realip_module
make
make install
nginx -c conf/nginx.conf -p `pwd`

module_plugin

Manage C++ plugin in Nginx, including dynamically open, intialization and choosing proper plugin to handle each http request according nginx.conf.

module_handle

Simple module handle http request.

module_upstream

Upstream module with protobuf protocol.

+--------------+--------------+
|  size(32bit) |   CRC(32bit) |
+--------------+--------------+
|                             |
|                             |
|          protobuf           |
|                             |
|                             |
+-----------------------------+

module_subrequest

Subrequest module processing arbitrary number of subrequests to multiple backend servers.

                             +-----------+
                        +--->| backend 1 |
                        |    +-----------+
                        |
                        |
           +-------+    |    +-----------+
 request-->| Nginx |-------->| backend 2 |
           +-------+    |    +-----------+
                        |  
                        |
                        |    +-----------+
                        +--->| backend 3 |
                             +-----------+

module_shm_dict

Simple key-value store based on shared memory. To initialize a shared zone, using shm_dict_zone command in nginx.conf:

shm_dict_zone zone=AAA max_size=16m;
shm_dict_zone zone=BBB max_size=64m;

You can create multiple zones with different name and size.