[PATCH] geoip_check_cache option

[ondrej . novy]

# HG changeset patch
# User Ondrej Novy <ondrej.n...@firma.seznam.cz>
# Date 1435152464 -7200
#      Wed Jun 24 15:27:44 2015 +0200
# Node ID 4c77bf00ab889d1b120892ec8b707f4717941791
# Parent  24488e6db782e24b9a30ba31f0b719204e582918
geoip_check_cache option.

Allow to enable GEOIP_CHECK_CACHE option in GeoIP lib. When enabled
this lib checks for changes of DB every second and reload it if needed.

diff -r 24488e6db782 -r 4c77bf00ab88 contrib/vim/syntax/nginx.vim
--- a/contrib/vim/syntax/nginx.vim      Tue Jun 23 20:17:48 2015 +0300
+++ b/contrib/vim/syntax/nginx.vim      Wed Jun 24 15:27:44 2015 +0200
@@ -167,6 +167,7 @@
 syn keyword ngxDirective geoip_org
 syn keyword ngxDirective geoip_proxy
 syn keyword ngxDirective geoip_proxy_recursive
+syn keyword ngxDirective geoip_check_cache
 syn keyword ngxDirective google_perftools_profiles
 syn keyword ngxDirective gunzip
 syn keyword ngxDirective gunzip_buffers
diff -r 24488e6db782 -r 4c77bf00ab88 src/http/modules/ngx_http_geoip_module.c
--- a/src/http/modules/ngx_http_geoip_module.c  Tue Jun 23 20:17:48 2015 +0300
+++ b/src/http/modules/ngx_http_geoip_module.c  Wed Jun 24 15:27:44 2015 +0200
@@ -24,6 +24,7 @@
     GeoIP        *city;
     ngx_array_t  *proxies;    /* array of ngx_cidr_t */
     ngx_flag_t    proxy_recursive;
+    ngx_flag_t    check_cache;
 #if (NGX_HAVE_GEOIP_V6)
     unsigned      country_v6:1;
     unsigned      org_v6:1;
@@ -131,6 +132,13 @@
       offsetof(ngx_http_geoip_conf_t, proxy_recursive),
       NULL },
 
+    { ngx_string("geoip_check_cache"),
+      NGX_HTTP_MAIN_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_MAIN_CONF_OFFSET,
+      offsetof(ngx_http_geoip_conf_t, check_cache),
+      NULL },
+
       ngx_null_command
 };
 
@@ -649,6 +657,7 @@
     }
 
     conf->proxy_recursive = NGX_CONF_UNSET;
+    conf->check_cache = NGX_CONF_UNSET;
 
     cln = ngx_pool_cleanup_add(cf->pool, 0);
     if (cln == NULL) {
@@ -668,6 +677,7 @@
     ngx_http_geoip_conf_t  *gcf = conf;
 
     ngx_conf_init_value(gcf->proxy_recursive, 0);
+    ngx_conf_init_value(gcf->check_cache, 0);
 
     return NGX_CONF_OK;
 }
@@ -686,7 +696,8 @@
 
     value = cf->args->elts;
 
-    gcf->country = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE);
+    gcf->country = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE |
+        gcf->check_cache ? GEOIP_CHECK_CACHE : 0);
 
     if (gcf->country == NULL) {
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
@@ -741,7 +752,8 @@
 
     value = cf->args->elts;
 
-    gcf->org = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE);
+    gcf->org = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE |
+        gcf->check_cache ? GEOIP_CHECK_CACHE : 0);
 
     if (gcf->org == NULL) {
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
@@ -802,7 +814,8 @@
 
     value = cf->args->elts;
 
-    gcf->city = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE);
+    gcf->city = GeoIP_open((char *) value[1].data, GEOIP_MEMORY_CACHE |
+        gcf->check_cache ? GEOIP_CHECK_CACHE : 0);
 
     if (gcf->city == NULL) {
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,

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