nginx: src/http/modules/ngx_http_limit_conn

annotate src/http/modules/ngx_http_limit_conn_module.c @ 6480:f01ab2dbcfdc

Fixed logging.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Thu, 31 Mar 2016 02:33:57 +0300
parents	1e6bf87a7289
children	359b0ea2b067

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

Mercurial > hg > nginx

annotate src/http/modules/ngx_http_limit_conn_module.c @ 6480:f01ab2dbcfdc