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optimize regex location search

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This commit is contained in:
Igor Sysoev 2007-06-05 06:44:08 +00:00
parent bf15d70e10
commit c915106f20
2 changed files with 41 additions and 20 deletions
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54
src/http/ngx_http_core_module.c
View File

@ -29,7 +29,7 @@ typedef struct {
static ngx_int_t ngx_http_core_find_location(ngx_http_request_t *r,
ngx_array_t *locations, size_t len);
ngx_array_t *locations, ngx_uint_t regex_start, size_t len);
static ngx_int_t ngx_http_core_preconfiguration(ngx_conf_t *cf);
static void *ngx_http_core_create_main_conf(ngx_conf_t *cf);
@ -629,7 +629,7 @@ ngx_http_core_find_config_phase(ngx_http_request_t *r,
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
rc = ngx_http_core_find_location(r, &cscf->locations, 0);
rc = ngx_http_core_find_location(r, &cscf->locations, cscf->regex_start, 0);
if (rc == NGX_HTTP_INTERNAL_SERVER_ERROR) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
@ -930,7 +930,7 @@ ngx_http_update_location_config(ngx_http_request_t *r)
static ngx_int_t
ngx_http_core_find_location(ngx_http_request_t *r,
ngx_array_t *locations, size_t len)
ngx_array_t *locations, ngx_uint_t regex_start, size_t len)
{
ngx_int_t n, rc;
ngx_uint_t i, found, noregex;
@ -1009,7 +1009,8 @@ ngx_http_core_find_location(ngx_http_request_t *r,
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->locations.nelts) {
rc = ngx_http_core_find_location(r, &clcf->locations, len);
rc = ngx_http_core_find_location(r, &clcf->locations,
clcf->regex_start, len);
if (rc != NGX_OK) {
return rc;
@ -1025,11 +1026,7 @@ ngx_http_core_find_location(ngx_http_request_t *r,
/* regex matches */
for (/* void */; i < locations->nelts; i++) {
if (!clcfp[i]->regex) {
continue;
}
for (i = regex_start; i < locations->nelts; i++) {
if (clcfp[i]->noname) {
break;
@ -1553,14 +1550,15 @@ ngx_http_cleanup_add(ngx_http_request_t *r, size_t size)
static char *
ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
{
char *rv;
void *mconf;
ngx_uint_t m;
ngx_conf_t pcf;
ngx_http_module_t *module;
ngx_http_conf_ctx_t *ctx, *http_ctx;
ngx_http_core_srv_conf_t *cscf, **cscfp;
ngx_http_core_main_conf_t *cmcf;
char *rv;
void *mconf;
ngx_uint_t i, m;
ngx_conf_t pcf;
ngx_http_module_t *module;
ngx_http_conf_ctx_t *ctx, *http_ctx;
ngx_http_core_srv_conf_t *cscf, **cscfp;
ngx_http_core_loc_conf_t **clcfp;
ngx_http_core_main_conf_t *cmcf;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t));
if (ctx == NULL) {
@ -1644,6 +1642,16 @@ ngx_http_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
ngx_sort(cscf->locations.elts, (size_t) cscf->locations.nelts,
sizeof(ngx_http_core_loc_conf_t *), ngx_http_core_cmp_locations);
cscf->regex_start = cscf->locations.nelts;
clcfp = cscf->locations.elts;
for (i = 0; i < cscf->locations.nelts; i++) {
if (clcfp[i]->regex) {
cscf->regex_start = i;
break;
}
}
return rv;
}
@ -1652,7 +1660,7 @@ static char *
ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
{
char *rv;
ngx_int_t m;
ngx_uint_t i, m;
ngx_str_t *value;
ngx_conf_t save;
ngx_http_module_t *module;
@ -1816,6 +1824,16 @@ ngx_http_core_location(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy)
ngx_sort(clcf->locations.elts, (size_t) clcf->locations.nelts,
sizeof(ngx_http_core_loc_conf_t *), ngx_http_core_cmp_locations);
clcf->regex_start = clcf->locations.nelts;
clcfp = clcf->locations.elts;
for (i = 0; i < clcf->locations.nelts; i++) {
if (clcfp[i]->regex) {
clcf->regex_start = i;
break;
}
}
return rv;
}

7
src/http/ngx_http_core_module.h
View File

@ -117,6 +117,9 @@ typedef struct {
*/
ngx_array_t locations;
unsigned regex_start:16;
unsigned wildcard:1;
/* array of the ngx_http_listen_t, "listen" directive */
ngx_array_t listen;
@ -138,8 +141,6 @@ typedef struct {
ngx_flag_t optimize_server_names;
ngx_flag_t ignore_invalid_headers;
ngx_uint_t wildcard; /* unsigned wildcard:1 */
} ngx_http_core_srv_conf_t;
@ -210,6 +211,8 @@ struct ngx_http_core_loc_conf_s {
ngx_regex_t *regex;
#endif
unsigned regex_start:16;
unsigned noname:1; /* "if () {}" block */
unsigned exact_match:1;