# HG changeset patch
# User Igor Sysoev <igor@sysoev.ru>
# Date 1199002527 0
# Node ID 0d9c6fe7502b8dc6fccfd7d4cffc4c5a5f9bce2e
# Parent  755e09d5c2711ef125feb675364e70ceba0ec752
axe useless r->server_name

diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -1780,7 +1780,6 @@ ngx_http_subrequest(ngx_http_request_t *
     sr->in_addr = r->in_addr;
     sr->port = r->port;
     sr->port_text = r->port_text;
-    sr->server_name = r->server_name;
 
     sr->variables = r->variables;
 
diff --git a/src/http/ngx_http_header_filter_module.c b/src/http/ngx_http_header_filter_module.c
--- a/src/http/ngx_http_header_filter_module.c
+++ b/src/http/ngx_http_header_filter_module.c
@@ -160,6 +160,7 @@ ngx_http_header_filter(ngx_http_request_
     ngx_list_part_t           *part;
     ngx_table_elt_t           *header;
     ngx_http_core_loc_conf_t  *clcf;
+    ngx_http_core_srv_conf_t  *cscf;
     /* AF_INET only */
     u_char                     addr[INET_ADDRSTRLEN];
 
@@ -282,7 +283,8 @@ ngx_http_header_filter(ngx_http_request_
         r->headers_out.location->hash = 0;
 
         if (clcf->server_name_in_redirect) {
-            host = r->server_name;
+            cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
+            host = cscf->server_name;
 
         } else if (r->headers_in.host) {
             host.len = r->headers_in.host_name_len;
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -340,8 +340,6 @@ ngx_http_init_request(ngx_event_t *rev)
     r->srv_conf = cscf->ctx->srv_conf;
     r->loc_conf = cscf->ctx->loc_conf;
 
-    r->server_name = cscf->server_name;
-
     rev->handler = ngx_http_process_request_line;
 
 #if (NGX_HTTP_SSL)
@@ -1512,9 +1510,6 @@ ngx_http_find_virtual_server(ngx_http_re
 
 found:
 
-    r->server_name.len = len;
-    r->server_name.data = host;
-
     r->srv_conf = cscf->ctx->srv_conf;
     r->loc_conf = cscf->ctx->loc_conf;
 
@@ -2605,15 +2600,16 @@ static u_char *
 ngx_http_log_error_handler(ngx_http_request_t *r, ngx_http_request_t *sr,
     u_char *buf, size_t len)
 {
-    char                 *uri_separator;
-    u_char               *p;
-    ngx_http_upstream_t  *u;
-
-    if (r->server_name.data) {
-        p = ngx_snprintf(buf, len, ", server: %V", &r->server_name);
-        len -= p - buf;
-        buf = p;
-    }
+    char                      *uri_separator;
+    u_char                    *p;
+    ngx_http_upstream_t       *u;
+    ngx_http_core_srv_conf_t  *cscf;
+
+    cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
+
+    p = ngx_snprintf(buf, len, ", server: %V", &cscf->server_name);
+    len -= p - buf;
+    buf = p;
 
     if (r->request_line.data == NULL && r->request_start) {
         for (p = r->request_start; p < r->header_in->last; p++) {
diff --git a/src/http/ngx_http_request.h b/src/http/ngx_http_request.h
--- a/src/http/ngx_http_request.h
+++ b/src/http/ngx_http_request.h
@@ -373,7 +373,6 @@ struct ngx_http_request_s {
     uint32_t                          in_addr;
     ngx_uint_t                        port;
     ngx_str_t                        *port_text;    /* ":80" */
-    ngx_str_t                         server_name;
     ngx_http_virtual_names_t         *virtual_names;
 
     ngx_int_t                         phase_handler;
diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -47,6 +47,8 @@ static ngx_int_t ngx_http_variable_docum
     ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_request_filename(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_http_variable_server_name(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_request_method(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_remote_user(ngx_http_request_t *r,
@@ -172,8 +174,7 @@ static ngx_http_variable_t  ngx_http_cor
       ngx_http_variable_request_filename, 0,
       NGX_HTTP_VAR_NOCACHEABLE, 0 },
 
-    { ngx_string("server_name"), NULL, ngx_http_variable_request,
-      offsetof(ngx_http_request_t, server_name), 0, 0 },
+    { ngx_string("server_name"), NULL, ngx_http_variable_server_name, 0, 0, 0 },
 
     { ngx_string("request_method"), NULL,
       ngx_http_variable_request_method, 0, 0, 0 },
@@ -709,6 +710,8 @@ static ngx_int_t
 ngx_http_variable_host(ngx_http_request_t *r, ngx_http_variable_value_t *v,
     uintptr_t data)
 {
+    ngx_http_core_srv_conf_t  *cscf;
+
     if (r->host_start == NULL) {
 
         if (r->headers_in.host) {
@@ -716,8 +719,10 @@ ngx_http_variable_host(ngx_http_request_
             v->data = r->headers_in.host->value.data;
 
         } else {
-            v->len = r->server_name.len;
-            v->data = r->server_name.data;
+            cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
+
+            v->len = cscf->server_name.len;
+            v->data = cscf->server_name.data;
         }
 
     } else if (r->host_end) {
@@ -957,6 +962,24 @@ ngx_http_variable_request_filename(ngx_h
 
 
 static ngx_int_t
+ngx_http_variable_server_name(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data)
+{
+    ngx_http_core_srv_conf_t  *cscf;
+
+    cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
+
+    v->len = cscf->server_name.len;
+    v->valid = 1;
+    v->no_cacheable = 0;
+    v->not_found = 0;
+    v->data = cscf->server_name.data;
+
+    return NGX_OK;
+}
+
+
+static ngx_int_t
 ngx_http_variable_request_method(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data)
 {