nginx: src/http/modules/ngx_http_limit_conn

annotate src/http/modules/ngx_http_limit_conn_module.c @ 7594:359b0ea2b067

Limit conn: limit_conn_dry_run directive. A new directive limit_conn_dry_run allows enabling the dry run mode. In this mode connections are not rejected, but reject status is logged as usual.

author	Roman Arutyunyan <arut@nginx.com>
date	Tue, 19 Nov 2019 11:30:41 +0300
parents	f01ab2dbcfdc
children	9606d93aa586

rev	line source
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	1
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	2 /*
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	3 * Copyright (C) Igor Sysoev
4412 d620f497c50f Copyright updated. Maxim Konovalov <maxim@nginx.com> parents: 4380 diff changeset	4 * Copyright (C) Nginx, Inc.
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	5 */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	6
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_config.h>
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_core.h>
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10 #include <ngx_http.h>
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	11
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	13 typedef struct {
5861 1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	14 u_char color;
1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	15 u_char len;
1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	16 u_short conn;
1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	17 u_char data[1];
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	18 } ngx_http_limit_conn_node_t;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	19
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	20
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	21 typedef struct {
5861 1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	22 ngx_shm_zone_t *shm_zone;
1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	23 ngx_rbtree_node_t *node;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	24 } ngx_http_limit_conn_cleanup_t;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	25
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	26
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	27 typedef struct {
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	28 ngx_rbtree_t *rbtree;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	29 ngx_http_complex_value_t key;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	30 } ngx_http_limit_conn_ctx_t;
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	31
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	32
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	33 typedef struct {
5861 1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	34 ngx_shm_zone_t *shm_zone;
1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	35 ngx_uint_t conn;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	36 } ngx_http_limit_conn_limit_t;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	37
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	38
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	39 typedef struct {
5861 1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	40 ngx_array_t limits;
1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	41 ngx_uint_t log_level;
1e6bf87a7289 Limit conn: aligned field names in structures. Valentin Bartenev <vbart@nginx.com> parents: 5860 diff changeset	42 ngx_uint_t status_code;
7594 359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	43 ngx_flag_t dry_run;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	44 } ngx_http_limit_conn_conf_t;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	45
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	46
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	47 static ngx_rbtree_node_t ngx_http_limit_conn_lookup(ngx_rbtree_t rbtree,
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	48 ngx_str_t *key, uint32_t hash);
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	49 static void ngx_http_limit_conn_cleanup(void *data);
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	50 static ngx_inline void ngx_http_limit_conn_cleanup_all(ngx_pool_t *pool);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	51
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	52 static void ngx_http_limit_conn_create_conf(ngx_conf_t cf);
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	53 static char ngx_http_limit_conn_merge_conf(ngx_conf_t cf, void *parent,
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	54 void *child);
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	55 static char ngx_http_limit_conn_zone(ngx_conf_t cf, ngx_command_t *cmd,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	56 void *conf);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	57 static char ngx_http_limit_conn(ngx_conf_t cf, ngx_command_t *cmd,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	58 void *conf);
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	59 static ngx_int_t ngx_http_limit_conn_init(ngx_conf_t *cf);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	60
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	61
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	62 static ngx_conf_enum_t ngx_http_limit_conn_log_levels[] = {
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	63 { ngx_string("info"), NGX_LOG_INFO },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	64 { ngx_string("notice"), NGX_LOG_NOTICE },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	65 { ngx_string("warn"), NGX_LOG_WARN },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	66 { ngx_string("error"), NGX_LOG_ERR },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	67 { ngx_null_string, 0 }
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	68 };
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	69
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	70
5117 00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	71 static ngx_conf_num_bounds_t ngx_http_limit_conn_status_bounds = {
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	72 ngx_conf_check_num_bounds, 400, 599
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	73 };
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	74
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	75
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	76 static ngx_command_t ngx_http_limit_conn_commands[] = {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	77
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	78 { ngx_string("limit_conn_zone"),
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	79 NGX_HTTP_MAIN_CONF\|NGX_CONF_TAKE2,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	80 ngx_http_limit_conn_zone,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	81 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	82 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	83 NULL },
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	84
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	85 { ngx_string("limit_conn"),
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	86 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_TAKE2,
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	87 ngx_http_limit_conn,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	88 NGX_HTTP_LOC_CONF_OFFSET,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	89 0,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	90 NULL },
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	91
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	92 { ngx_string("limit_conn_log_level"),
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	93 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_TAKE1,
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	94 ngx_conf_set_enum_slot,
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	95 NGX_HTTP_LOC_CONF_OFFSET,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	96 offsetof(ngx_http_limit_conn_conf_t, log_level),
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	97 &ngx_http_limit_conn_log_levels },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	98
5117 00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	99 { ngx_string("limit_conn_status"),
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	100 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_TAKE1,
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	101 ngx_conf_set_num_slot,
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	102 NGX_HTTP_LOC_CONF_OFFSET,
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	103 offsetof(ngx_http_limit_conn_conf_t, status_code),
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	104 &ngx_http_limit_conn_status_bounds },
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	105
7594 359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	106 { ngx_string("limit_conn_dry_run"),
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	107 NGX_HTTP_MAIN_CONF\|NGX_HTTP_SRV_CONF\|NGX_HTTP_LOC_CONF\|NGX_CONF_FLAG,
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	108 ngx_conf_set_flag_slot,
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	109 NGX_HTTP_LOC_CONF_OFFSET,
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	110 offsetof(ngx_http_limit_conn_conf_t, dry_run),
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	111 NULL },
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	112
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	113 ngx_null_command
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	114 };
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	115
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	116
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	117 static ngx_http_module_t ngx_http_limit_conn_module_ctx = {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	118 NULL, /* preconfiguration */
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	119 ngx_http_limit_conn_init, /* postconfiguration */
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	120
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	121 NULL, /* create main configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	122 NULL, /* init main configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	123
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	124 NULL, /* create server configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	125 NULL, /* merge server configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	126
4499 778ef9c3fd2d Fixed spelling in single-line comments. Ruslan Ermilov <ru@nginx.com> parents: 4497 diff changeset	127 ngx_http_limit_conn_create_conf, /* create location configuration */
778ef9c3fd2d Fixed spelling in single-line comments. Ruslan Ermilov <ru@nginx.com> parents: 4497 diff changeset	128 ngx_http_limit_conn_merge_conf /* merge location configuration */
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	129 };
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	130
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	131
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	132 ngx_module_t ngx_http_limit_conn_module = {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	133 NGX_MODULE_V1,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	134 &ngx_http_limit_conn_module_ctx, /* module context */
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	135 ngx_http_limit_conn_commands, /* module directives */
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	136 NGX_HTTP_MODULE, /* module type */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	137 NULL, /* init master */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	138 NULL, /* init module */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	139 NULL, /* init process */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	140 NULL, /* init thread */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	141 NULL, /* exit thread */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	142 NULL, /* exit process */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	143 NULL, /* exit master */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	144 NGX_MODULE_V1_PADDING
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	145 };
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	146
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	147
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	148 static ngx_int_t
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	149 ngx_http_limit_conn_handler(ngx_http_request_t *r)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	150 {
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	151 size_t n;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	152 uint32_t hash;
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	153 ngx_str_t key;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	154 ngx_uint_t i;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	155 ngx_slab_pool_t *shpool;
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	156 ngx_rbtree_node_t *node;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	157 ngx_pool_cleanup_t *cln;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	158 ngx_http_limit_conn_ctx_t *ctx;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	159 ngx_http_limit_conn_node_t *lc;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	160 ngx_http_limit_conn_conf_t *lccf;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	161 ngx_http_limit_conn_limit_t *limits;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	162 ngx_http_limit_conn_cleanup_t *lccln;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	163
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	164 if (r->main->limit_conn_set) {
984 dd128232e6ba count connection once per request Igor Sysoev <igor@sysoev.ru> parents: 981 diff changeset	165 return NGX_DECLINED;
dd128232e6ba count connection once per request Igor Sysoev <igor@sysoev.ru> parents: 981 diff changeset	166 }
dd128232e6ba count connection once per request Igor Sysoev <igor@sysoev.ru> parents: 981 diff changeset	167
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	168 lccf = ngx_http_get_module_loc_conf(r, ngx_http_limit_conn_module);
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	169 limits = lccf->limits.elts;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	170
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	171 for (i = 0; i < lccf->limits.nelts; i++) {
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	172 ctx = limits[i].shm_zone->data;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	173
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	174 if (ngx_http_complex_value(r, &ctx->key, &key) != NGX_OK) {
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	175 return NGX_HTTP_INTERNAL_SERVER_ERROR;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	176 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	177
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	178 if (key.len == 0) {
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	179 continue;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	180 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	181
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	182 if (key.len > 255) {
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	183 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	184 "the value of the \"%V\" key "
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	185 "is more than 255 bytes: \"%V\"",
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	186 &ctx->key.value, &key);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	187 continue;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	188 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	189
4458 2d4ff8bd5649 Limit conn: returned to the old behavior of using the first actual limit on Valentin Bartenev <vbart@nginx.com> parents: 4412 diff changeset	190 r->main->limit_conn_set = 1;
2d4ff8bd5649 Limit conn: returned to the old behavior of using the first actual limit on Valentin Bartenev <vbart@nginx.com> parents: 4412 diff changeset	191
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	192 hash = ngx_crc32_short(key.data, key.len);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	193
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	194 shpool = (ngx_slab_pool_t *) limits[i].shm_zone->shm.addr;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	195
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	196 ngx_shmtx_lock(&shpool->mutex);
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	197
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	198 node = ngx_http_limit_conn_lookup(ctx->rbtree, &key, hash);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	199
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	200 if (node == NULL) {
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	201
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	202 n = offsetof(ngx_rbtree_node_t, color)
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	203 + offsetof(ngx_http_limit_conn_node_t, data)
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	204 + key.len;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	205
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	206 node = ngx_slab_alloc_locked(shpool, n);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	207
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	208 if (node == NULL) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	209 ngx_shmtx_unlock(&shpool->mutex);
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	210 ngx_http_limit_conn_cleanup_all(r->pool);
7594 359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	211
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	212 if (lccf->dry_run) {
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	213 return NGX_DECLINED;
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	214 }
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	215
5117 00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	216 return lccf->status_code;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	217 }
2373 f4603d71f532 log 503 error reason Igor Sysoev <igor@sysoev.ru> parents: 2372 diff changeset	218
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	219 lc = (ngx_http_limit_conn_node_t *) &node->color;
1012 11ffb8e4753f stop rbtree search early if equal hash was found Igor Sysoev <igor@sysoev.ru> parents: 1011 diff changeset	220
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	221 node->key = hash;
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	222 lc->len = (u_char) key.len;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	223 lc->conn = 1;
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	224 ngx_memcpy(lc->data, key.data, key.len);
1012 11ffb8e4753f stop rbtree search early if equal hash was found Igor Sysoev <igor@sysoev.ru> parents: 1011 diff changeset	225
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	226 ngx_rbtree_insert(ctx->rbtree, node);
1012 11ffb8e4753f stop rbtree search early if equal hash was found Igor Sysoev <igor@sysoev.ru> parents: 1011 diff changeset	227
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	228 } else {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	229
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	230 lc = (ngx_http_limit_conn_node_t *) &node->color;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	231
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	232 if ((ngx_uint_t) lc->conn >= limits[i].conn) {
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	233
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	234 ngx_shmtx_unlock(&shpool->mutex);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	235
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	236 ngx_log_error(lccf->log_level, r->connection->log, 0,
7594 359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	237 "limiting connections%s by zone \"%V\"",
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	238 lccf->dry_run ? ", dry run," : "",
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	239 &limits[i].shm_zone->shm.name);
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	240
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	241 ngx_http_limit_conn_cleanup_all(r->pool);
7594 359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	242
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	243 if (lccf->dry_run) {
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	244 return NGX_DECLINED;
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	245 }
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	246
5117 00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	247 return lccf->status_code;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	248 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	249
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	250 lc->conn++;
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	251 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	252
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	253 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
6480 f01ab2dbcfdc Fixed logging. Sergey Kandaurov <pluknet@nginx.com> parents: 5861 diff changeset	254 "limit conn: %08Xi %d", node->key, lc->conn);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	255
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	256 ngx_shmtx_unlock(&shpool->mutex);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	257
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	258 cln = ngx_pool_cleanup_add(r->pool,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	259 sizeof(ngx_http_limit_conn_cleanup_t));
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	260 if (cln == NULL) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	261 return NGX_HTTP_INTERNAL_SERVER_ERROR;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	262 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	263
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	264 cln->handler = ngx_http_limit_conn_cleanup;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	265 lccln = cln->data;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	266
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	267 lccln->shm_zone = limits[i].shm_zone;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	268 lccln->node = node;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	269 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	270
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	271 return NGX_DECLINED;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	272 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	273
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	274
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	275 static void
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	276 ngx_http_limit_conn_rbtree_insert_value(ngx_rbtree_node_t *temp,
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	277 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	278 {
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	279 ngx_rbtree_node_t **p;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	280 ngx_http_limit_conn_node_t lcn, lcnt;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	281
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	282 for ( ;; ) {
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	283
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	284 if (node->key < temp->key) {
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	285
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	286 p = &temp->left;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	287
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	288 } else if (node->key > temp->key) {
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	289
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	290 p = &temp->right;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	291
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	292 } else { /* node->key == temp->key */
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	293
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	294 lcn = (ngx_http_limit_conn_node_t *) &node->color;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	295 lcnt = (ngx_http_limit_conn_node_t *) &temp->color;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	296
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	297 p = (ngx_memn2cmp(lcn->data, lcnt->data, lcn->len, lcnt->len) < 0)
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	298 ? &temp->left : &temp->right;
4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	299 }
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	300
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	301 if (*p == sentinel) {
4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	302 break;
4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	303 }
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	304
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	305 temp = *p;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	306 }
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	307
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	308 *p = node;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	309 node->parent = temp;
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	310 node->left = sentinel;
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	311 node->right = sentinel;
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	312 ngx_rbt_red(node);
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	313 }
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	314
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	315
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	316 static ngx_rbtree_node_t *
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	317 ngx_http_limit_conn_lookup(ngx_rbtree_t rbtree, ngx_str_t key, uint32_t hash)
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	318 {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	319 ngx_int_t rc;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	320 ngx_rbtree_node_t node, sentinel;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	321 ngx_http_limit_conn_node_t *lcn;
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	322
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	323 node = rbtree->root;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	324 sentinel = rbtree->sentinel;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	325
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	326 while (node != sentinel) {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	327
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	328 if (hash < node->key) {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	329 node = node->left;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	330 continue;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	331 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	332
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	333 if (hash > node->key) {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	334 node = node->right;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	335 continue;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	336 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	337
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	338 /* hash == node->key */
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	339
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4458 diff changeset	340 lcn = (ngx_http_limit_conn_node_t *) &node->color;
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	341
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	342 rc = ngx_memn2cmp(key->data, lcn->data, key->len, (size_t) lcn->len);
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	343
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4458 diff changeset	344 if (rc == 0) {
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4458 diff changeset	345 return node;
95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4458 diff changeset	346 }
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	347
4497 95ab6658654a Fix of rbtree lookup on hash collisions. Maxim Dounin <mdounin@mdounin.ru> parents: 4458 diff changeset	348 node = (rc < 0) ? node->left : node->right;
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	349 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	350
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	351 return NULL;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	352 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	353
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	354
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	355 static void
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	356 ngx_http_limit_conn_cleanup(void *data)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	357 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	358 ngx_http_limit_conn_cleanup_t *lccln = data;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	359
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	360 ngx_slab_pool_t *shpool;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	361 ngx_rbtree_node_t *node;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	362 ngx_http_limit_conn_ctx_t *ctx;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	363 ngx_http_limit_conn_node_t *lc;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	364
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	365 ctx = lccln->shm_zone->data;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	366 shpool = (ngx_slab_pool_t *) lccln->shm_zone->shm.addr;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	367 node = lccln->node;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	368 lc = (ngx_http_limit_conn_node_t *) &node->color;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	369
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	370 ngx_shmtx_lock(&shpool->mutex);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	371
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	372 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, lccln->shm_zone->shm.log, 0,
6480 f01ab2dbcfdc Fixed logging. Sergey Kandaurov <pluknet@nginx.com> parents: 5861 diff changeset	373 "limit conn cleanup: %08Xi %d", node->key, lc->conn);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	374
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	375 lc->conn--;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	376
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	377 if (lc->conn == 0) {
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	378 ngx_rbtree_delete(ctx->rbtree, node);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	379 ngx_slab_free_locked(shpool, node);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	380 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	381
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	382 ngx_shmtx_unlock(&shpool->mutex);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	383 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	384
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	385
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	386 static ngx_inline void
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	387 ngx_http_limit_conn_cleanup_all(ngx_pool_t *pool)
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	388 {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	389 ngx_pool_cleanup_t *cln;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	390
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	391 cln = pool->cleanup;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	392
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	393 while (cln && cln->handler == ngx_http_limit_conn_cleanup) {
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	394 ngx_http_limit_conn_cleanup(cln->data);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	395 cln = cln->next;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	396 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	397
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	398 pool->cleanup = cln;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	399 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	400
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	401
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	402 static ngx_int_t
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	403 ngx_http_limit_conn_init_zone(ngx_shm_zone_t shm_zone, void data)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	404 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	405 ngx_http_limit_conn_ctx_t *octx = data;
993 1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	406
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	407 size_t len;
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	408 ngx_slab_pool_t *shpool;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	409 ngx_rbtree_node_t *sentinel;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	410 ngx_http_limit_conn_ctx_t *ctx;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	411
993 1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	412 ctx = shm_zone->data;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	413
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	414 if (octx) {
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	415 if (ctx->key.value.len != octx->key.value.len
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	416 \|\| ngx_strncmp(ctx->key.value.data, octx->key.value.data,
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	417 ctx->key.value.len)
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	418 != 0)
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	419 {
993 1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	420 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	421 "limit_conn_zone \"%V\" uses the \"%V\" key "
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	422 "while previously it used the \"%V\" key",
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	423 &shm_zone->shm.name, &ctx->key.value,
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	424 &octx->key.value);
993 1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	425 return NGX_ERROR;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	426 }
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	427
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	428 ctx->rbtree = octx->rbtree;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	429
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	430 return NGX_OK;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	431 }
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	432
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	433 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	434
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	435 if (shm_zone->shm.exists) {
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	436 ctx->rbtree = shpool->data;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	437
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	438 return NGX_OK;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	439 }
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	440
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	441 ctx->rbtree = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_t));
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	442 if (ctx->rbtree == NULL) {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	443 return NGX_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	444 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	445
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	446 shpool->data = ctx->rbtree;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	447
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	448 sentinel = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_node_t));
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	449 if (sentinel == NULL) {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	450 return NGX_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	451 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	452
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	453 ngx_rbtree_init(ctx->rbtree, sentinel,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	454 ngx_http_limit_conn_rbtree_insert_value);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	455
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	456 len = sizeof(" in limit_conn_zone \"\"") + shm_zone->shm.name.len;
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	457
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	458 shpool->log_ctx = ngx_slab_alloc(shpool, len);
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	459 if (shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	460 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	461 }
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	462
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	463 ngx_sprintf(shpool->log_ctx, " in limit_conn_zone \"%V\"%Z",
2716 d5896f6608e8 move zone name from ngx_shm_zone_t to ngx_shm_t to use Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2612 diff changeset	464 &shm_zone->shm.name);
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	465
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	466 return NGX_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	467 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	468
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	469
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	470 static void *
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	471 ngx_http_limit_conn_create_conf(ngx_conf_t *cf)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	472 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	473 ngx_http_limit_conn_conf_t *conf;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	474
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	475 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_conn_conf_t));
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	476 if (conf == NULL) {
2912 c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure Igor Sysoev <igor@sysoev.ru> parents: 2720 diff changeset	477 return NULL;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	478 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	479
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	480 /*
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	481 * set by ngx_pcalloc():
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	482 *
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	483 * conf->limits.elts = NULL;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	484 */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	485
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	486 conf->log_level = NGX_CONF_UNSET_UINT;
5117 00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	487 conf->status_code = NGX_CONF_UNSET_UINT;
7594 359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	488 conf->dry_run = NGX_CONF_UNSET;
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	489
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	490 return conf;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	491 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	492
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	493
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	494 static char *
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	495 ngx_http_limit_conn_merge_conf(ngx_conf_t cf, void parent, void *child)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	496 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	497 ngx_http_limit_conn_conf_t *prev = parent;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	498 ngx_http_limit_conn_conf_t *conf = child;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	499
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	500 if (conf->limits.elts == NULL) {
4380 7697412a0921 Fixed limit_conn_log_level/limit_req_log_level inheritance. Valentin Bartenev <vbart@nginx.com> parents: 4280 diff changeset	501 conf->limits = prev->limits;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	502 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	503
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	504 ngx_conf_merge_uint_value(conf->log_level, prev->log_level, NGX_LOG_ERR);
5117 00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	505 ngx_conf_merge_uint_value(conf->status_code, prev->status_code,
00e4459739ed The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 4972 diff changeset	506 NGX_HTTP_SERVICE_UNAVAILABLE);
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	507
7594 359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	508 ngx_conf_merge_value(conf->dry_run, prev->dry_run, 0);
359b0ea2b067 Limit conn: limit_conn_dry_run directive. Roman Arutyunyan <arut@nginx.com> parents: 6480 diff changeset	509
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	510 return NGX_CONF_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	511 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	512
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	513
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	514 static char *
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	515 ngx_http_limit_conn_zone(ngx_conf_t cf, ngx_command_t cmd, void *conf)
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	516 {
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	517 u_char *p;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	518 ssize_t size;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	519 ngx_str_t *value, name, s;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	520 ngx_uint_t i;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	521 ngx_shm_zone_t *shm_zone;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	522 ngx_http_limit_conn_ctx_t *ctx;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	523 ngx_http_compile_complex_value_t ccv;
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	524
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	525 value = cf->args->elts;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	526
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	527 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_conn_ctx_t));
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	528 if (ctx == NULL) {
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	529 return NGX_CONF_ERROR;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	530 }
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	531
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	532 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	533
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	534 ccv.cf = cf;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	535 ccv.value = &value[1];
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	536 ccv.complex_value = &ctx->key;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	537
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	538 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	539 return NGX_CONF_ERROR;
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	540 }
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	541
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	542 size = 0;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	543 name.len = 0;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	544
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	545 for (i = 2; i < cf->args->nelts; i++) {
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	546
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	547 if (ngx_strncmp(value[i].data, "zone=", 5) == 0) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	548
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	549 name.data = value[i].data + 5;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	550
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	551 p = (u_char *) ngx_strchr(name.data, ':');
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	552
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	553 if (p == NULL) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	554 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	555 "invalid zone size \"%V\"", &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	556 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	557 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	558
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	559 name.len = p - name.data;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	560
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	561 s.data = p + 1;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	562 s.len = value[i].data + value[i].len - s.data;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	563
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	564 size = ngx_parse_size(&s);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	565
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	566 if (size == NGX_ERROR) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	567 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	568 "invalid zone size \"%V\"", &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	569 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	570 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	571
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	572 if (size < (ssize_t) (8 * ngx_pagesize)) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	573 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	574 "zone \"%V\" is too small", &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	575 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	576 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	577
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	578 continue;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	579 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	580
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	581 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	582 "invalid parameter \"%V\"", &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	583 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	584 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	585
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	586 if (name.len == 0) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	587 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	588 "\"%V\" must have \"zone\" parameter",
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	589 &cmd->name);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	590 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	591 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	592
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	593 shm_zone = ngx_shared_memory_add(cf, &name, size,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	594 &ngx_http_limit_conn_module);
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	595 if (shm_zone == NULL) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	596 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	597 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	598
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	599 if (shm_zone->data) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	600 ctx = shm_zone->data;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	601
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	602 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
5860 c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	603 "%V \"%V\" is already bound to key \"%V\"",
c9787372f16d Limit conn: use complex value in limit_conn_zone (ticket #121). Valentin Bartenev <vbart@nginx.com> parents: 5859 diff changeset	604 &cmd->name, &name, &ctx->key.value);
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	605 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	606 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	607
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	608 shm_zone->init = ngx_http_limit_conn_init_zone;
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	609 shm_zone->data = ctx;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	610
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	611 return NGX_CONF_OK;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	612 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	613
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	614
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	615 static char *
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	616 ngx_http_limit_conn(ngx_conf_t cf, ngx_command_t cmd, void *conf)
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	617 {
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	618 ngx_shm_zone_t *shm_zone;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	619 ngx_http_limit_conn_conf_t *lccf = conf;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	620 ngx_http_limit_conn_limit_t limit, limits;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	621
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	622 ngx_str_t *value;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	623 ngx_int_t n;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	624 ngx_uint_t i;
2372 7148efbdd798 test duplicate limit_conn Igor Sysoev <igor@sysoev.ru> parents: 1743 diff changeset	625
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	626 value = cf->args->elts;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	627
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	628 shm_zone = ngx_shared_memory_add(cf, &value[1], 0,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	629 &ngx_http_limit_conn_module);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	630 if (shm_zone == NULL) {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	631 return NGX_CONF_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	632 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	633
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	634 limits = lccf->limits.elts;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	635
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	636 if (limits == NULL) {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	637 if (ngx_array_init(&lccf->limits, cf->pool, 1,
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	638 sizeof(ngx_http_limit_conn_limit_t))
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	639 != NGX_OK)
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	640 {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	641 return NGX_CONF_ERROR;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	642 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	643 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	644
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	645 for (i = 0; i < lccf->limits.nelts; i++) {
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	646 if (shm_zone == limits[i].shm_zone) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	647 return "is duplicate";
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	648 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	649 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	650
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	651 n = ngx_atoi(value[2].data, value[2].len);
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	652 if (n <= 0) {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	653 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	654 "invalid number of connections \"%V\"", &value[2]);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	655 return NGX_CONF_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	656 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	657
1011 19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	658 if (n > 65535) {
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	659 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	660 "connection limit must be less 65536");
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	661 return NGX_CONF_ERROR;
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	662 }
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	663
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	664 limit = ngx_array_push(&lccf->limits);
4811 21d1e3bcb356 Added three missing checks for NULL after ngx_array_push() calls. Valentin Bartenev <vbart@nginx.com> parents: 4756 diff changeset	665 if (limit == NULL) {
21d1e3bcb356 Added three missing checks for NULL after ngx_array_push() calls. Valentin Bartenev <vbart@nginx.com> parents: 4756 diff changeset	666 return NGX_CONF_ERROR;
21d1e3bcb356 Added three missing checks for NULL after ngx_array_push() calls. Valentin Bartenev <vbart@nginx.com> parents: 4756 diff changeset	667 }
21d1e3bcb356 Added three missing checks for NULL after ngx_array_push() calls. Valentin Bartenev <vbart@nginx.com> parents: 4756 diff changeset	668
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	669 limit->conn = n;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	670 limit->shm_zone = shm_zone;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	671
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	672 return NGX_CONF_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	673 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	674
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	675
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	676 static ngx_int_t
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	677 ngx_http_limit_conn_init(ngx_conf_t *cf)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	678 {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	679 ngx_http_handler_pt *h;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	680 ngx_http_core_main_conf_t *cmcf;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	681
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	682 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	683
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	684 h = ngx_array_push(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	685 if (h == NULL) {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	686 return NGX_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	687 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	688
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	689 *h = ngx_http_limit_conn_handler;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	690
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	691 return NGX_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	692 }

Mercurial > hg > nginx

annotate src/http/modules/ngx_http_limit_conn_module.c @ 7594:359b0ea2b067