Initial routing implementation.
This commit is contained in:
Igor Sysoev
849
src/nxt_http_route.c
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849
src/nxt_http_route.c
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@@ -0,0 +1,849 @@
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) NGINX, Inc.
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*/
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#include <nxt_router.h>
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#include <nxt_http.h>
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typedef enum {
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NXT_HTTP_ROUTE_STRING = 0,
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NXT_HTTP_ROUTE_STRING_PTR,
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NXT_HTTP_ROUTE_FIELD,
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NXT_HTTP_ROUTE_HEADER,
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NXT_HTTP_ROUTE_ARGUMENT,
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NXT_HTTP_ROUTE_COOKIE,
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} nxt_http_route_object_t;
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typedef enum {
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NXT_HTTP_ROUTE_PATTERN_EXACT = 0,
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NXT_HTTP_ROUTE_PATTERN_BEGIN,
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NXT_HTTP_ROUTE_PATTERN_END,
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NXT_HTTP_ROUTE_PATTERN_SUBSTRING,
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} nxt_http_route_pattern_type_t;
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typedef enum {
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NXT_HTTP_ROUTE_PATTERN_NOCASE = 0,
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NXT_HTTP_ROUTE_PATTERN_LOWCASE,
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NXT_HTTP_ROUTE_PATTERN_UPCASE,
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} nxt_http_route_pattern_case_t;
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typedef struct {
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nxt_conf_value_t *host;
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nxt_conf_value_t *uri;
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nxt_conf_value_t *method;
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} nxt_http_route_match_conf_t;
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typedef struct {
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nxt_str_t test;
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uint32_t min_length;
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nxt_http_route_pattern_type_t type:8;
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uint8_t case_sensitive; /* 1 bit */
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uint8_t negative; /* 1 bit */
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uint8_t any; /* 1 bit */
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} nxt_http_route_pattern_t;
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typedef struct {
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uintptr_t offset;
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uint32_t items;
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nxt_http_route_object_t object:8;
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nxt_http_route_pattern_t pattern[0];
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} nxt_http_route_rule_t;
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typedef struct {
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uint32_t items;
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nxt_http_pass_t pass;
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nxt_http_route_rule_t *rule[0];
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} nxt_http_route_match_t;
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struct nxt_http_route_s {
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nxt_str_t name;
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uint32_t items;
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nxt_http_route_match_t *match[0];
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};
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struct nxt_http_routes_s {
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uint32_t items;
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nxt_http_route_t *route[0];
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};
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static nxt_http_route_t *nxt_http_route_create(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, nxt_conf_value_t *cv);
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static nxt_http_route_match_t *nxt_http_route_match_create(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, nxt_conf_value_t *cv);
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static nxt_http_route_rule_t *nxt_http_route_rule_create(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, nxt_conf_value_t *cv,
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nxt_bool_t case_sensitive, nxt_http_route_pattern_case_t pattern_case);
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static int nxt_http_pattern_compare(const void *one, const void *two);
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static nxt_int_t nxt_http_route_pattern_create(nxt_task_t *task, nxt_mp_t *mp,
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nxt_conf_value_t *cv, nxt_http_route_pattern_t *pattern,
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nxt_http_route_pattern_case_t pattern_case);
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static void nxt_http_route_resolve(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, nxt_http_route_t *route);
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static void nxt_http_pass_resolve(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, nxt_http_pass_t *pass);
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static nxt_http_route_t *nxt_http_route_find(nxt_http_routes_t *routes,
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nxt_str_t *name);
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static void nxt_http_route_cleanup(nxt_task_t *task, nxt_http_route_t *routes);
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static nxt_http_pass_t *nxt_http_route_pass(nxt_task_t *task,
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nxt_http_request_t *r, nxt_http_pass_t *start);
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static nxt_http_pass_t *nxt_http_route_match(nxt_http_request_t *r,
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nxt_http_route_match_t *match);
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static nxt_bool_t nxt_http_route_rule(nxt_http_request_t *r,
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nxt_http_route_rule_t *rule);
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static nxt_bool_t nxt_http_route_pattern(nxt_http_request_t *r,
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nxt_http_route_pattern_t *pattern, u_char *start, size_t length);
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nxt_http_routes_t *
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nxt_http_routes_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
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nxt_conf_value_t *routes_conf)
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{
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size_t size;
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uint32_t i, n, next;
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nxt_mp_t *mp;
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nxt_str_t name, *string;
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nxt_bool_t object;
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nxt_conf_value_t *route_conf;
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nxt_http_route_t *route;
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nxt_http_routes_t *routes;
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object = (nxt_conf_type(routes_conf) == NXT_CONF_OBJECT);
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n = object ? nxt_conf_object_members_count(routes_conf) : 1;
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size = sizeof(nxt_http_routes_t) + n * sizeof(nxt_http_route_t *);
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mp = tmcf->router_conf->mem_pool;
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routes = nxt_mp_alloc(mp, size);
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if (nxt_slow_path(routes == NULL)) {
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return NULL;
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}
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routes->items = n;
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if (object) {
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next = 0;
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for (i = 0; i < n; i++) {
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route_conf = nxt_conf_next_object_member(routes_conf, &name, &next);
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route = nxt_http_route_create(task, tmcf, route_conf);
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if (nxt_slow_path(route == NULL)) {
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return NULL;
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}
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routes->route[i] = route;
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string = nxt_str_dup(mp, &route->name, &name);
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if (nxt_slow_path(string == NULL)) {
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return NULL;
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}
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}
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} else {
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route = nxt_http_route_create(task, tmcf, routes_conf);
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if (nxt_slow_path(route == NULL)) {
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return NULL;
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}
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routes->route[0] = route;
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route->name.length = 0;
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route->name.start = NULL;
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}
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return routes;
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}
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static nxt_conf_map_t nxt_http_route_match_conf[] = {
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{
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nxt_string("host"),
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NXT_CONF_MAP_PTR,
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offsetof(nxt_http_route_match_conf_t, host),
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},
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{
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nxt_string("uri"),
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NXT_CONF_MAP_PTR,
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offsetof(nxt_http_route_match_conf_t, uri),
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},
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{
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nxt_string("method"),
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NXT_CONF_MAP_PTR,
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offsetof(nxt_http_route_match_conf_t, method),
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},
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};
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static nxt_http_route_t *
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nxt_http_route_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
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nxt_conf_value_t *cv)
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{
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size_t size;
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uint32_t i, n;
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nxt_conf_value_t *value;
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nxt_http_route_t *route;
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nxt_http_route_match_t *match, **m;
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n = nxt_conf_array_elements_count(cv);
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size = sizeof(nxt_http_route_t) + n * sizeof(nxt_http_route_match_t *);
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route = nxt_mp_alloc(tmcf->router_conf->mem_pool, size);
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if (nxt_slow_path(route == NULL)) {
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return NULL;
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}
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route->items = n;
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m = &route->match[0];
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for (i = 0; i < n; i++) {
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value = nxt_conf_get_array_element(cv, i);
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match = nxt_http_route_match_create(task, tmcf, value);
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if (match == NULL) {
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return NULL;
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}
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*m++ = match;
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}
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return route;
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}
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static nxt_http_route_match_t *
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nxt_http_route_match_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
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nxt_conf_value_t *cv)
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{
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size_t size;
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uint32_t n;
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nxt_int_t ret;
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nxt_str_t pass, *string;
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nxt_conf_value_t *match_conf, *pass_conf;
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nxt_http_route_rule_t *rule, **p;
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nxt_http_route_match_t *match;
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nxt_http_route_match_conf_t mtcf;
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static nxt_str_t pass_path = nxt_string("/action/pass");
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static nxt_str_t match_path = nxt_string("/match");
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pass_conf = nxt_conf_get_path(cv, &pass_path);
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if (nxt_slow_path(pass_conf == NULL)) {
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return NULL;
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}
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nxt_conf_get_string(pass_conf, &pass);
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match_conf = nxt_conf_get_path(cv, &match_path);
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n = (match_conf != NULL) ? nxt_conf_object_members_count(match_conf) : 0;
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size = sizeof(nxt_http_route_match_t) + n * sizeof(nxt_http_route_rule_t *);
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match = nxt_mp_alloc(tmcf->router_conf->mem_pool, size);
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if (nxt_slow_path(match == NULL)) {
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return NULL;
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}
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match->pass.u.route = NULL;
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match->pass.handler = NULL;
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match->items = n;
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string = nxt_str_dup(tmcf->router_conf->mem_pool, &match->pass.name, &pass);
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if (nxt_slow_path(string == NULL)) {
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return NULL;
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}
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if (n == 0) {
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return match;
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}
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nxt_memzero(&mtcf, sizeof(mtcf));
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ret = nxt_conf_map_object(tmcf->mem_pool,
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match_conf, nxt_http_route_match_conf,
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nxt_nitems(nxt_http_route_match_conf), &mtcf);
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if (ret != NXT_OK) {
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return NULL;
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}
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p = &match->rule[0];
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if (mtcf.host != NULL) {
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rule = nxt_http_route_rule_create(task, tmcf, mtcf.host, 1,
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NXT_HTTP_ROUTE_PATTERN_LOWCASE);
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if (rule == NULL) {
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return NULL;
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}
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rule->offset = offsetof(nxt_http_request_t, host);
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rule->object = NXT_HTTP_ROUTE_STRING;
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*p++ = rule;
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}
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if (mtcf.uri != NULL) {
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rule = nxt_http_route_rule_create(task, tmcf, mtcf.uri, 1,
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NXT_HTTP_ROUTE_PATTERN_NOCASE);
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if (rule == NULL) {
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return NULL;
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}
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rule->offset = offsetof(nxt_http_request_t, path);
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rule->object = NXT_HTTP_ROUTE_STRING_PTR;
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*p++ = rule;
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}
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if (mtcf.method != NULL) {
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rule = nxt_http_route_rule_create(task, tmcf, mtcf.method, 1,
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NXT_HTTP_ROUTE_PATTERN_UPCASE);
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if (rule == NULL) {
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return NULL;
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}
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rule->offset = offsetof(nxt_http_request_t, method);
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rule->object = NXT_HTTP_ROUTE_STRING_PTR;
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*p++ = rule;
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}
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return match;
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}
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static nxt_http_route_rule_t *
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nxt_http_route_rule_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
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nxt_conf_value_t *cv, nxt_bool_t case_sensitive,
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nxt_http_route_pattern_case_t pattern_case)
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{
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size_t size;
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uint32_t i, n;
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nxt_mp_t *mp;
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nxt_int_t ret;
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nxt_bool_t string;
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nxt_conf_value_t *value;
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nxt_http_route_rule_t *rule;
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nxt_http_route_pattern_t *pattern;
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mp = tmcf->router_conf->mem_pool;
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string = (nxt_conf_type(cv) != NXT_CONF_ARRAY);
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n = string ? 1 : nxt_conf_array_elements_count(cv);
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size = sizeof(nxt_http_route_rule_t) + n * sizeof(nxt_http_route_pattern_t);
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rule = nxt_mp_alloc(mp, size);
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if (nxt_slow_path(rule == NULL)) {
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return NULL;
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}
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rule->items = n;
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pattern = &rule->pattern[0];
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if (string) {
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pattern[0].case_sensitive = case_sensitive;
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ret = nxt_http_route_pattern_create(task, mp, cv, &pattern[0],
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pattern_case);
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if (nxt_slow_path(ret != NXT_OK)) {
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return NULL;
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}
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return rule;
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}
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nxt_conf_array_qsort(cv, nxt_http_pattern_compare);
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for (i = 0; i < n; i++) {
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pattern[i].case_sensitive = case_sensitive;
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value = nxt_conf_get_array_element(cv, i);
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ret = nxt_http_route_pattern_create(task, mp, value, &pattern[i],
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pattern_case);
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if (nxt_slow_path(ret != NXT_OK)) {
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return NULL;
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}
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}
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return rule;
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}
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static int
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nxt_http_pattern_compare(const void *one, const void *two)
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{
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nxt_str_t test;
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nxt_bool_t negative1, negative2;
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nxt_conf_value_t *value;
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value = (nxt_conf_value_t *) one;
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nxt_conf_get_string(value, &test);
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negative1 = (test.length != 0 && test.start[0] == '!');
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value = (nxt_conf_value_t *) two;
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nxt_conf_get_string(value, &test);
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negative2 = (test.length != 0 && test.start[0] == '!');
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return (negative2 - negative1);
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}
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static nxt_int_t
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nxt_http_route_pattern_create(nxt_task_t *task, nxt_mp_t *mp,
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nxt_conf_value_t *cv, nxt_http_route_pattern_t *pattern,
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nxt_http_route_pattern_case_t pattern_case)
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{
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u_char *start;
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nxt_str_t test;
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nxt_http_route_pattern_type_t type;
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type = NXT_HTTP_ROUTE_PATTERN_EXACT;
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nxt_conf_get_string(cv, &test);
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pattern->negative = 0;
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pattern->any = 1;
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if (test.length != 0) {
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if (test.start[0] == '!') {
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test.start++;
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test.length--;
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pattern->negative = 1;
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pattern->any = 0;
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}
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if (test.length != 0) {
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if (test.start[0] == '*') {
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test.start++;
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test.length--;
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if (test.length != 0) {
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if (test.start[test.length - 1] == '*') {
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test.length--;
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type = NXT_HTTP_ROUTE_PATTERN_SUBSTRING;
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} else {
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type = NXT_HTTP_ROUTE_PATTERN_END;
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}
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} else {
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type = NXT_HTTP_ROUTE_PATTERN_BEGIN;
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}
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} else if (test.start[test.length - 1] == '*') {
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test.length--;
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type = NXT_HTTP_ROUTE_PATTERN_BEGIN;
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}
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}
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}
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pattern->type = type;
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pattern->min_length = test.length;
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pattern->test.length = test.length;
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start = nxt_mp_nget(mp, test.length);
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if (nxt_slow_path(start == NULL)) {
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return NXT_ERROR;
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}
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pattern->test.start = start;
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switch (pattern_case) {
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case NXT_HTTP_ROUTE_PATTERN_UPCASE:
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nxt_memcpy_upcase(start, test.start, test.length);
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break;
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case NXT_HTTP_ROUTE_PATTERN_LOWCASE:
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nxt_memcpy_lowcase(start, test.start, test.length);
|
||||
break;
|
||||
|
||||
case NXT_HTTP_ROUTE_PATTERN_NOCASE:
|
||||
nxt_memcpy(start, test.start, test.length);
|
||||
break;
|
||||
}
|
||||
|
||||
return NXT_OK;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
nxt_http_routes_resolve(nxt_task_t *task, nxt_router_temp_conf_t *tmcf)
|
||||
{
|
||||
nxt_uint_t items;
|
||||
nxt_http_route_t **route;
|
||||
nxt_http_routes_t *routes;
|
||||
|
||||
routes = tmcf->router_conf->routes;
|
||||
if (routes != NULL) {
|
||||
items = routes->items;
|
||||
route = &routes->route[0];
|
||||
|
||||
while (items != 0) {
|
||||
nxt_http_route_resolve(task, tmcf, *route);
|
||||
|
||||
route++;
|
||||
items--;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
nxt_http_route_resolve(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
|
||||
nxt_http_route_t *route)
|
||||
{
|
||||
nxt_uint_t items;
|
||||
nxt_http_route_match_t **match;
|
||||
|
||||
items = route->items;
|
||||
match = &route->match[0];
|
||||
|
||||
while (items != 0) {
|
||||
nxt_http_pass_resolve(task, tmcf, &(*match)->pass);
|
||||
|
||||
match++;
|
||||
items--;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
nxt_http_pass_resolve(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
|
||||
nxt_http_pass_t *pass)
|
||||
{
|
||||
nxt_str_t name;
|
||||
|
||||
name = pass->name;
|
||||
|
||||
if (nxt_str_start(&name, "applications/", 13)) {
|
||||
name.length -= 13;
|
||||
name.start += 13;
|
||||
|
||||
pass->u.application = nxt_router_listener_application(tmcf, &name);
|
||||
nxt_router_app_use(task, pass->u.application, 1);
|
||||
|
||||
pass->handler = nxt_http_request_application;
|
||||
|
||||
} else if (nxt_str_start(&name, "routes", 6)) {
|
||||
|
||||
if (name.length == 6) {
|
||||
name.length = 0;
|
||||
name.start = NULL;
|
||||
|
||||
} else if (name.start[6] == '/') {
|
||||
name.length -= 7;
|
||||
name.start += 7;
|
||||
}
|
||||
|
||||
pass->u.route = nxt_http_route_find(tmcf->router_conf->routes, &name);
|
||||
|
||||
pass->handler = nxt_http_route_pass;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static nxt_http_route_t *
|
||||
nxt_http_route_find(nxt_http_routes_t *routes, nxt_str_t *name)
|
||||
{
|
||||
nxt_uint_t items;
|
||||
nxt_http_route_t **route;
|
||||
|
||||
items = routes->items;
|
||||
route = &routes->route[0];
|
||||
|
||||
do {
|
||||
if (nxt_strstr_eq(&(*route)->name, name)) {
|
||||
return *route;
|
||||
}
|
||||
|
||||
route++;
|
||||
items--;
|
||||
|
||||
} while (items != 0);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
nxt_http_pass_t *
|
||||
nxt_http_pass_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
|
||||
nxt_str_t *name)
|
||||
{
|
||||
nxt_http_pass_t *pass;
|
||||
|
||||
pass = nxt_mp_alloc(tmcf->router_conf->mem_pool, sizeof(nxt_http_pass_t));
|
||||
if (nxt_slow_path(pass == NULL)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
pass->name = *name;
|
||||
|
||||
nxt_http_pass_resolve(task, tmcf, pass);
|
||||
|
||||
return pass;
|
||||
}
|
||||
|
||||
|
||||
/* COMPATIBILITY: listener application. */
|
||||
|
||||
nxt_http_pass_t *
|
||||
nxt_http_pass_application(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
|
||||
nxt_str_t *name)
|
||||
{
|
||||
nxt_http_pass_t *pass;
|
||||
|
||||
pass = nxt_mp_alloc(tmcf->router_conf->mem_pool, sizeof(nxt_http_pass_t));
|
||||
if (nxt_slow_path(pass == NULL)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
pass->name = *name;
|
||||
|
||||
pass->u.application = nxt_router_listener_application(tmcf, name);
|
||||
nxt_router_app_use(task, pass->u.application, 1);
|
||||
|
||||
pass->handler = nxt_http_request_application;
|
||||
|
||||
return pass;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
nxt_http_routes_cleanup(nxt_task_t *task, nxt_http_routes_t *routes)
|
||||
{
|
||||
nxt_uint_t items;
|
||||
nxt_http_route_t **route;
|
||||
|
||||
if (routes != NULL) {
|
||||
items = routes->items;
|
||||
route = &routes->route[0];
|
||||
|
||||
do {
|
||||
nxt_http_route_cleanup(task, *route);
|
||||
|
||||
route++;
|
||||
items--;
|
||||
|
||||
} while (items != 0);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
nxt_http_route_cleanup(nxt_task_t *task, nxt_http_route_t *route)
|
||||
{
|
||||
nxt_uint_t items;
|
||||
nxt_http_route_match_t **match;
|
||||
|
||||
items = route->items;
|
||||
match = &route->match[0];
|
||||
|
||||
do {
|
||||
nxt_http_pass_cleanup(task, &(*match)->pass);
|
||||
|
||||
match++;
|
||||
items--;
|
||||
|
||||
} while (items != 0);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
nxt_http_pass_cleanup(nxt_task_t *task, nxt_http_pass_t *pass)
|
||||
{
|
||||
if (pass->handler == nxt_http_request_application) {
|
||||
nxt_router_app_use(task, pass->u.application, -1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static nxt_http_pass_t *
|
||||
nxt_http_route_pass(nxt_task_t *task, nxt_http_request_t *r,
|
||||
nxt_http_pass_t *start)
|
||||
{
|
||||
nxt_uint_t items;
|
||||
nxt_http_pass_t *pass;
|
||||
nxt_http_route_t *route;
|
||||
nxt_http_route_match_t **match;
|
||||
|
||||
route = start->u.route;
|
||||
items = route->items;
|
||||
match = &route->match[0];
|
||||
|
||||
while (items != 0) {
|
||||
pass = nxt_http_route_match(r, *match);
|
||||
if (pass != NULL) {
|
||||
return pass;
|
||||
}
|
||||
|
||||
match++;
|
||||
items--;
|
||||
}
|
||||
|
||||
nxt_http_request_error(task, r, NXT_HTTP_NOT_FOUND);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
static nxt_http_pass_t *
|
||||
nxt_http_route_match(nxt_http_request_t *r, nxt_http_route_match_t *match)
|
||||
{
|
||||
nxt_uint_t items;
|
||||
nxt_http_route_rule_t **rule;
|
||||
|
||||
rule = &match->rule[0];
|
||||
items = match->items;
|
||||
|
||||
while (items != 0) {
|
||||
if (!nxt_http_route_rule(r, *rule)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
rule++;
|
||||
items--;
|
||||
}
|
||||
|
||||
return &match->pass;
|
||||
}
|
||||
|
||||
|
||||
static nxt_bool_t
|
||||
nxt_http_route_rule(nxt_http_request_t *r, nxt_http_route_rule_t *rule)
|
||||
{
|
||||
void *p, **pp;
|
||||
u_char *start;
|
||||
size_t length;
|
||||
nxt_str_t *s;
|
||||
nxt_uint_t items;
|
||||
nxt_bool_t ret;
|
||||
nxt_http_field_t *f;
|
||||
nxt_http_route_pattern_t *pattern;
|
||||
|
||||
p = nxt_pointer_to(r, rule->offset);
|
||||
|
||||
if (rule->object == NXT_HTTP_ROUTE_STRING) {
|
||||
s = p;
|
||||
length = s->length;
|
||||
start = s->start;
|
||||
|
||||
} else {
|
||||
pp = p;
|
||||
p = *pp;
|
||||
|
||||
if (p == NULL) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
switch (rule->object) {
|
||||
|
||||
case NXT_HTTP_ROUTE_STRING_PTR:
|
||||
s = p;
|
||||
length = s->length;
|
||||
start = s->start;
|
||||
break;
|
||||
|
||||
case NXT_HTTP_ROUTE_FIELD:
|
||||
f = p;
|
||||
length = f->value_length;
|
||||
start = f->value;
|
||||
break;
|
||||
|
||||
case NXT_HTTP_ROUTE_HEADER:
|
||||
return 0;
|
||||
|
||||
case NXT_HTTP_ROUTE_ARGUMENT:
|
||||
return 0;
|
||||
|
||||
case NXT_HTTP_ROUTE_COOKIE:
|
||||
return 0;
|
||||
|
||||
default:
|
||||
nxt_unreachable();
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
items = rule->items;
|
||||
pattern = &rule->pattern[0];
|
||||
|
||||
do {
|
||||
ret = nxt_http_route_pattern(r, pattern, start, length);
|
||||
|
||||
ret ^= pattern->negative;
|
||||
|
||||
if (pattern->any == ret) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
pattern++;
|
||||
items--;
|
||||
|
||||
} while (items != 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static nxt_bool_t
|
||||
nxt_http_route_pattern(nxt_http_request_t *r, nxt_http_route_pattern_t *pattern,
|
||||
u_char *start, size_t length)
|
||||
{
|
||||
nxt_str_t *test;
|
||||
|
||||
if (length < pattern->min_length) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
test = &pattern->test;
|
||||
|
||||
switch (pattern->type) {
|
||||
|
||||
case NXT_HTTP_ROUTE_PATTERN_EXACT:
|
||||
if (length != test->length) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case NXT_HTTP_ROUTE_PATTERN_BEGIN:
|
||||
break;
|
||||
|
||||
case NXT_HTTP_ROUTE_PATTERN_END:
|
||||
start += length - test->length;
|
||||
break;
|
||||
|
||||
case NXT_HTTP_ROUTE_PATTERN_SUBSTRING:
|
||||
if (pattern->case_sensitive) {
|
||||
return (nxt_memstrn(start, start + length,
|
||||
(char *) test->start, test->length)
|
||||
!= NULL);
|
||||
}
|
||||
|
||||
return (nxt_memcasestrn(start, start + length,
|
||||
(char *) test->start, test->length)
|
||||
!= NULL);
|
||||
}
|
||||
|
||||
if (pattern->case_sensitive) {
|
||||
return (nxt_memcmp(start, test->start, test->length) == 0);
|
||||
}
|
||||
|
||||
return (nxt_memcasecmp(start, test->start, test->length) == 0);
|
||||
}
|
||||
Reference in New Issue
Block a user