blob: 5303db96fd68341053a407c943fe45e810618993 [file] [log] [blame]
/*
* Copyright (C) Igor Sysoev
* Copyright (C) Nginx, Inc.
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_mysql.h>
#include <ngx_http.h>
typedef struct {
ngx_addr_t *peers;
ngx_uint_t npeers;
} ngx_http_mysql_test_conf_t;
static void ngx_http_mysql_auth(ngx_mysql_t *m);
static void ngx_http_mysql_done(ngx_mysql_t *m);
static void *ngx_http_mysql_test_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_mysql_test(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static ngx_command_t ngx_http_mysql_test_commands[] = {
{ ngx_string("mysql_test"),
NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_mysql_test,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
ngx_null_command
};
static ngx_http_module_t ngx_http_mysql_test_module_ctx = {
NULL, /* preconfiguration */
NULL, /* postconfiguration */
NULL, /* create main configuration */
NULL, /* init main configuration */
NULL, /* create server configuration */
NULL, /* merge server configuration */
ngx_http_mysql_test_create_loc_conf, /* create location configuration */
NULL /* merge location configuration */
};
ngx_module_t ngx_http_mysql_test_module = {
NGX_MODULE_V1,
&ngx_http_mysql_test_module_ctx, /* module context */
ngx_http_mysql_test_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_str_t ngx_mysql_login = ngx_string("root");
static ngx_str_t ngx_mysql_passwd = ngx_string("tp");
static ngx_str_t ngx_mysql_database = ngx_string("mysql");
static ngx_str_t ngx_mysql_command_query =
ngx_string("select * from user");
static ngx_int_t
ngx_http_mysql_test_handler(ngx_http_request_t *r)
{
ngx_int_t rc;
ngx_mysql_t *m;
ngx_http_mysql_test_conf_t *mtcf;
mtcf = ngx_http_get_module_loc_conf(r, ngx_http_mysql_test_module);
m = ngx_pcalloc(r->pool, sizeof(ngx_mysql_t));
if (m == NULL) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
m->pool = r->pool;
m->handler = ngx_http_mysql_auth;
m->data = r;
m->login = &ngx_mysql_login;
m->passwd = &ngx_mysql_passwd;
m->database = &ngx_mysql_database;
/* STUB */
m->peer.sockaddr = mtcf->peers[0].sockaddr;
m->peer.socklen = mtcf->peers[0].socklen;
m->peer.name = &mtcf->peers[0].name;
m->peer.tries = mtcf->npeers;
m->peer.get = ngx_event_get_peer;
/**/
m->peer.log = r->connection->log;
m->peer.log_error = NGX_ERROR_ERR;
rc = ngx_mysql_connect(m);
if (rc == NGX_OK || rc == NGX_AGAIN) {
return NGX_DONE;
}
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
static void
ngx_http_mysql_auth(ngx_mysql_t *m)
{
ngx_http_request_t *r;
r = m->data;
if (m->state != NGX_OK) {
ngx_http_finalize_request(r, NGX_HTTP_NO_CONTENT);
return;
}
m->query.len = NGX_MYSQL_CMDPKT_LEN + ngx_mysql_command_query.len;
m->query.data = ngx_pnalloc(r->pool, m->query.len);
if (m->query.data == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return;
}
ngx_memcpy(m->query.data + NGX_MYSQL_CMDPKT_LEN,
ngx_mysql_command_query.data, ngx_mysql_command_query.len);
m->handler = ngx_http_mysql_done;
ngx_mysql_query(m);
}
static void
ngx_http_mysql_done(ngx_mysql_t *m)
{
ngx_http_request_t *r;
r = m->data;
ngx_http_finalize_request(r, NGX_HTTP_NO_CONTENT);
}
static void *
ngx_http_mysql_test_create_loc_conf(ngx_conf_t *cf)
{
ngx_http_mysql_test_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_mysql_test_conf_t));
if (conf == NULL) {
return NGX_CONF_ERROR;
}
return conf;
}
static char *
ngx_http_mysql_test(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_mysql_test_conf_t *mtcf = conf;
ngx_str_t *value;
ngx_url_t u;
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
clcf->handler = ngx_http_mysql_test_handler;
value = cf->args->elts;
ngx_memzero(&u, sizeof(ngx_url_t));
u.url = value[1];
u.default_port = 3306;
if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
if (u.err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in upstream \"%V\"", u.err, &u.url);
}
return NGX_CONF_ERROR;
}
mtcf->peers = u.addrs;
mtcf->npeers = u.naddrs;
return NGX_CONF_OK;
}