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diff src/http/modules/ngx_http_geoip_module.c @ 558:2da4537168f8 NGINX_0_8_31

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nginx 0.8.31 *) Feature: now the "error_page" directive may redirect the 301 and 302 responses. *) Feature: the $geoip_city_continent_code, $geoip_latitude, and $geoip_longitude variables. Thanks to Arvind Sundararajan. *) Feature: now the ngx_http_image_filter_module deletes always EXIF and other application specific data if the data consume more than 5% of a JPEG file. *) Bugfix: nginx closed a connection if a cached response had an empty body. Thanks to Piotr Sikora. *) Bugfix: nginx might not be built by gcc 4.x if the -O2 or higher optimization option was used. Thanks to Maxim Dounin and Denis F. Latypoff. *) Bugfix: regular expressions in location were always tested in case-sensitive mode; the bug had appeared in 0.8.25. *) Bugfix: nginx cached a 304 response if there was the "If-None-Match" header line in a proxied request. Thanks to Tim Dettrick and David Kostal. *) Bugfix: nginx/Windows tried to delete a temporary file twice if the file should replace an already existent file.
author Igor Sysoev <http://sysoev.ru>
date Wed, 23 Dec 2009 00:00:00 +0300
parents 7efcdb937752
children 09d5f308901f
line wrap: on
line diff
--- a/src/http/modules/ngx_http_geoip_module.c
+++ b/src/http/modules/ngx_http_geoip_module.c
@@ -30,6 +30,9 @@ static ngx_int_t ngx_http_geoip_country_
     ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_geoip_city_variable(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_http_geoip_city_float_variable(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data);
+static GeoIPRecord *ngx_http_geoip_get_city_record(ngx_http_request_t *r);
 
 static ngx_int_t ngx_http_geoip_add_variables(ngx_conf_t *cf);
 static void *ngx_http_geoip_create_conf(ngx_conf_t *cf);
@@ -93,23 +96,32 @@ ngx_module_t  ngx_http_geoip_module = {
 
 static ngx_http_variable_t  ngx_http_geoip_vars[] = {
 
-    { ngx_string("geoip_country_code"), NULL, ngx_http_geoip_country_variable,
+    { ngx_string("geoip_country_code"), NULL,
+      ngx_http_geoip_country_variable,
       (uintptr_t) GeoIP_country_code_by_ipnum, 0, 0 },
 
-    { ngx_string("geoip_country_code3"), NULL, ngx_http_geoip_country_variable,
+    { ngx_string("geoip_country_code3"), NULL,
+      ngx_http_geoip_country_variable,
       (uintptr_t) GeoIP_country_code3_by_ipnum, 0, 0 },
 
-    { ngx_string("geoip_country_name"), NULL, ngx_http_geoip_country_variable,
+    { ngx_string("geoip_country_name"), NULL,
+      ngx_http_geoip_country_variable,
       (uintptr_t) GeoIP_country_name_by_ipnum, 0, 0 },
 
-    { ngx_string("geoip_city_country_code"), NULL, ngx_http_geoip_city_variable,
+    { ngx_string("geoip_city_continent_code"), NULL,
+      ngx_http_geoip_city_variable,
+      offsetof(GeoIPRecord, continent_code), 0, 0 },
+
+    { ngx_string("geoip_city_country_code"), NULL,
+      ngx_http_geoip_city_variable,
       offsetof(GeoIPRecord, country_code), 0, 0 },
 
     { ngx_string("geoip_city_country_code3"), NULL,
       ngx_http_geoip_city_variable,
       offsetof(GeoIPRecord, country_code3), 0, 0 },
 
-    { ngx_string("geoip_city_country_name"), NULL, ngx_http_geoip_city_variable,
+    { ngx_string("geoip_city_country_name"), NULL,
+      ngx_http_geoip_city_variable,
       offsetof(GeoIPRecord, country_name), 0, 0 },
 
     { ngx_string("geoip_region"), NULL,
@@ -124,6 +136,14 @@ static ngx_http_variable_t  ngx_http_geo
       ngx_http_geoip_city_variable,
       offsetof(GeoIPRecord, postal_code), 0, 0 },
 
+    { ngx_string("geoip_latitude"), NULL,
+      ngx_http_geoip_city_float_variable,
+      offsetof(GeoIPRecord, latitude), 0, 0 },
+
+    { ngx_string("geoip_longitude"), NULL,
+      ngx_http_geoip_city_float_variable,
+      offsetof(GeoIPRecord, longitude), 0, 0 },
+
     { ngx_null_string, NULL, NULL, 0, 0, 0 }
 };
 
@@ -179,34 +199,16 @@ static ngx_int_t
 ngx_http_geoip_city_variable(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data)
 {
-    u_long                  addr;
-    char                   *val;
-    size_t                  len;
-    GeoIPRecord            *gr;
-    struct sockaddr_in     *sin;
-    ngx_http_geoip_conf_t  *gcf;
-
-    gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module);
+    char         *val;
+    size_t        len;
+    GeoIPRecord  *gr;
 
-    if (gcf->city == NULL) {
-        goto not_found;
-    }
-
-    if (r->connection->sockaddr->sa_family != AF_INET) {
-        goto not_found;
-    }
-
-    sin = (struct sockaddr_in *) r->connection->sockaddr;
-    addr = ntohl(sin->sin_addr.s_addr);
-
-    gr = GeoIP_record_by_ipnum(gcf->city, addr);
-
+    gr = ngx_http_geoip_get_city_record(r);
     if (gr == NULL) {
         goto not_found;
     }
 
     val = *(char **) ((char *) gr + data);
-
     if (val == NULL) {
         goto no_value;
     }
@@ -243,6 +245,56 @@ not_found:
 
 
 static ngx_int_t
+ngx_http_geoip_city_float_variable(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data)
+{
+    float         val;
+    GeoIPRecord  *gr;
+
+    gr = ngx_http_geoip_get_city_record(r);
+    if (gr == NULL) {
+        v->not_found = 1;
+        return NGX_OK;
+    }
+
+    v->data = ngx_pnalloc(r->pool, NGX_INT64_LEN + 5);
+    if (v->data == NULL) {
+        GeoIPRecord_delete(gr);
+        return NGX_ERROR;
+    }
+
+    val = *(float *) ((char *) gr + data);
+
+    v->len = ngx_sprintf(v->data, "%.4f", val) - v->data;
+
+    GeoIPRecord_delete(gr);
+
+    return NGX_OK;
+}
+
+
+static GeoIPRecord *
+ngx_http_geoip_get_city_record(ngx_http_request_t *r)
+{
+    u_long                  addr;
+    struct sockaddr_in     *sin;
+    ngx_http_geoip_conf_t  *gcf;
+
+    gcf = ngx_http_get_module_main_conf(r, ngx_http_geoip_module);
+
+    if (gcf->city && r->connection->sockaddr->sa_family == AF_INET) {
+
+        sin = (struct sockaddr_in *) r->connection->sockaddr;
+        addr = ntohl(sin->sin_addr.s_addr);
+
+        return GeoIP_record_by_ipnum(gcf->city, addr);
+    }
+
+    return NULL;
+}
+
+
+static ngx_int_t
 ngx_http_geoip_add_variables(ngx_conf_t *cf)
 {
     ngx_http_variable_t  *var, *v;