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2012年 6月 4日 (月) 12:07:38 JST
Ryo Onodera 2012-06-04 12:07:38 +0900 (Mon, 04 Jun 2012)
New Revision: b0a72dac4bd1d2deca324c277cb12a86b4cdc157
Log:
Import a public-domain nginx example module
This is imported from the following page:
http://blog.zhuzhaoyuan.com/2009/08/creating-a-hello-world-nginx-module/
Added files:
src/nginx-module/config
src/nginx-module/ngx_http_hello_module.c
Added: src/nginx-module/config (+3 -0) 100644
===================================================================
--- /dev/null
+++ src/nginx-module/config 2012-06-04 12:07:38 +0900 (9ade8f5)
@@ -0,0 +1,3 @@
+ngx_addon_name=ngx_http_hello_module
+HTTP_MODULES="$HTTP_MODULES ngx_http_hello_module"
+NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_hello_module.c"
Added: src/nginx-module/ngx_http_hello_module.c (+146 -0) 100644
===================================================================
--- /dev/null
+++ src/nginx-module/ngx_http_hello_module.c 2012-06-04 12:07:38 +0900 (d5b5def)
@@ -0,0 +1,146 @@
+/* -*- c-basic-offset: 2 -*- */
+/*
+ Copyright(C) 2012 Brazil
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License version 2.1 as published by the Free Software Foundation.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_http.h>
+
+
+static char *ngx_http_hello(ngx_conf_t *cf, ngx_command_t *cmd,
+ void *conf);
+
+static ngx_command_t ngx_http_hello_commands[] = {
+ { ngx_string("hello"),
+ NGX_HTTP_LOC_CONF|NGX_CONF_NOARGS,
+ ngx_http_hello,
+ 0,
+ 0,
+ NULL },
+
+ ngx_null_command
+};
+
+
+static u_char ngx_hello_string[] = "Hello, world!";
+
+
+static ngx_http_module_t ngx_http_hello_module_ctx = {
+ NULL, /* preconfiguration */
+ NULL, /* postconfiguration */
+
+ NULL, /* create main configuration */
+ NULL, /* init main configuration */
+
+ NULL, /* create server configuration */
+ NULL, /* merge server configuration */
+
+ NULL, /* create location configuration */
+ NULL /* merge location configuration */
+};
+
+
+ngx_module_t ngx_http_hello_module = {
+ NGX_MODULE_V1,
+ &ngx_http_hello_module_ctx, /* module context */
+ ngx_http_hello_commands, /* module directives */
+ NGX_HTTP_MODULE, /* module type */
+ NULL, /* init master */
+ NULL, /* init module */
+ NULL, /* init process */
+ NULL, /* init thread */
+ NULL, /* exit thread */
+ NULL, /* exit process */
+ NULL, /* exit master */
+ NGX_MODULE_V1_PADDING
+};
+
+
+static ngx_int_t
+ngx_http_hello_handler(ngx_http_request_t *r)
+{
+ ngx_int_t rc;
+ ngx_buf_t *b;
+ ngx_chain_t out;
+
+ /* we response to 'GET' and 'HEAD' requests only */
+ if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
+ return NGX_HTTP_NOT_ALLOWED;
+ }
+
+ /* discard request body, since we don't need it here */
+ rc = ngx_http_discard_request_body(r);
+
+ if (rc != NGX_OK) {
+ return rc;
+ }
+
+ /* set the 'Content-type' header */
+ r->headers_out.content_type_len = sizeof("text/html") - 1;
+ r->headers_out.content_type.len = sizeof("text/html") - 1;
+ r->headers_out.content_type.data = (u_char *) "text/html";
+
+ /* send the header only, if the request type is http 'HEAD' */
+ if (r->method == NGX_HTTP_HEAD) {
+ r->headers_out.status = NGX_HTTP_OK;
+ r->headers_out.content_length_n = sizeof(ngx_hello_string) - 1;
+
+ return ngx_http_send_header(r);
+ }
+
+ /* allocate a buffer for your response body */
+ b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
+ if (b == NULL) {
+ return NGX_HTTP_INTERNAL_SERVER_ERROR;
+ }
+
+ /* attach this buffer to the buffer chain */
+ out.buf = b;
+ out.next = NULL;
+
+ /* adjust the pointers of the buffer */
+ b->pos = ngx_hello_string;
+ b->last = ngx_hello_string + sizeof(ngx_hello_string) - 1;
+ b->memory = 1; /* this buffer is in memory */
+ b->last_buf = 1; /* this is the last buffer in the buffer chain */
+
+ /* set the status line */
+ r->headers_out.status = NGX_HTTP_OK;
+ r->headers_out.content_length_n = sizeof(ngx_hello_string) - 1;
+
+ /* send the headers of your response */
+ rc = ngx_http_send_header(r);
+
+ if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
+ return rc;
+ }
+
+ /* send the buffer chain of your response */
+ return ngx_http_output_filter(r, &out);
+}
+
+
+static char *
+ngx_http_hello(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_hello_handler; /* handler to process the 'hello' directive */
+
+ return NGX_CONF_OK;
+}