nginx hello world
步骤1 新建模块目录
mkdir project/nginx/mymodule/helloworld![]()
步骤2 编写模块代码
helloworld.c
#include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> static ngx_int_t ngx_http_mytest_handler(ngx_http_request_t *r); static char * ngx_http_mytest(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); //处理配置项 static ngx_command_t ngx_http_mytest_commands[] = { { ngx_string("mytest"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LMT_CONF|NGX_CONF_NOARGS, ngx_http_mytest, NGX_HTTP_LOC_CONF_OFFSET, 0, NULL }, ngx_null_command }; //模块上下文 static ngx_http_module_t ngx_http_mytest_module_ctx = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; //新模块定义 ngx_module_t ngx_http_mytest_module = { NGX_MODULE_V1, &ngx_http_mytest_module_ctx, ngx_http_mytest_commands, NGX_HTTP_MODULE, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NGX_MODULE_V1_PADDING }; //配置项对应的回调函数 static char * ngx_http_mytest(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_core_loc_conf_t *clcf; clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); clcf->handler = ngx_http_mytest_handler; return NGX_CONF_OK; } //实际完成处理的回调函数 static ngx_int_t ngx_http_mytest_handler(ngx_http_request_t *r) { if (!(r->method & (NGX_HTTP_GET | NGX_HTTP_HEAD))) { return NGX_HTTP_NOT_ALLOWED; } ngx_int_t rc = ngx_http_discard_request_body(r); if (rc != NGX_OK) { return rc; } ngx_str_t type = ngx_string("text/plain"); ngx_str_t response = ngx_string("Hello World"); r->headers_out.status = NGX_HTTP_OK; r->headers_out.content_length_n = response.len; r->headers_out.content_type = type; rc = ngx_http_send_header(r); if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { return rc; } ngx_buf_t *b; b = ngx_create_temp_buf(r->pool, response.len); if (b == NULL) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } ngx_memcpy(b->pos, response.data, response.len); b->last = b->pos + response.len; b->last_buf = 1; ngx_chain_t out; out.buf = b; out.next = NULL; return ngx_http_output_filter(r, &out); }
步骤3 在模块目录增加config文件
ngx_addon_name=ngx_http_helloworld_module HTTP_MODULES="$HTTP_MODULES ngx_http_helloworld_module" NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/helloworld.c"
步骤4 编译
./configure --prefix=/usr/local/nginx --add-module=/home/scf/project/nginx/mymodule/helloworld
make
make install
步骤5 在安装目录 修改nginx.conf
增加
location /test {
mytest;
}
结果: