nginx: src/http/modules/ngx_http_limit_conn

annotate src/http/modules/ngx_http_limit_conn_module.c @ 4412:d620f497c50f

author	Maxim Konovalov <maxim@nginx.com>
date	Wed, 18 Jan 2012 15:07:43 +0000
parents	7697412a0921
children	2d4ff8bd5649

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 {
981 6fe76f377a62 fix key length and alignment Igor Sysoev <igor@sysoev.ru> parents: 980 diff changeset	14 u_char color;
6fe76f377a62 fix key length and alignment Igor Sysoev <igor@sysoev.ru> parents: 980 diff changeset	15 u_char len;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	16 u_short conn;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: 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 {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	22 ngx_shm_zone_t *shm_zone;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: 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 {
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	28 ngx_rbtree_t *rbtree;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	29 ngx_int_t index;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	30 ngx_str_t var;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	31 } ngx_http_limit_conn_ctx_t;
987 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
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	34 typedef struct {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	35 ngx_shm_zone_t *shm_zone;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	36 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	37 } 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	38
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	39
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	40 typedef struct {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	41 ngx_array_t limits;
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	42 ngx_uint_t log_level;
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,
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	47 ngx_http_variable_value_t *vv, 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_zone(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);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	58 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	59 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	60 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	61
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	62
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	63 static ngx_conf_deprecated_t ngx_conf_deprecated_limit_zone = {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	64 ngx_conf_deprecated, "limit_zone", "limit_conn_zone"
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	65 };
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	66
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	67
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	68 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	69 { ngx_string("info"), NGX_LOG_INFO },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	70 { ngx_string("notice"), NGX_LOG_NOTICE },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	71 { ngx_string("warn"), NGX_LOG_WARN },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	72 { ngx_string("error"), NGX_LOG_ERR },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	73 { ngx_null_string, 0 }
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	74 };
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	75
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	76
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	77 static ngx_command_t ngx_http_limit_conn_commands[] = {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	78
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	79 { ngx_string("limit_conn_zone"),
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	80 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	81 ngx_http_limit_conn_zone,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	82 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	83 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	84 NULL },
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	85
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	86 { ngx_string("limit_zone"),
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	87 NGX_HTTP_MAIN_CONF\|NGX_CONF_TAKE3,
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	88 ngx_http_limit_zone,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	89 0,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	90 0,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	91 NULL },
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	92
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	93 { ngx_string("limit_conn"),
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	94 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	95 ngx_http_limit_conn,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	96 NGX_HTTP_LOC_CONF_OFFSET,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	97 0,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	98 NULL },
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	99
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	100 { ngx_string("limit_conn_log_level"),
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	101 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	102 ngx_conf_set_enum_slot,
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	103 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	104 offsetof(ngx_http_limit_conn_conf_t, log_level),
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	105 &ngx_http_limit_conn_log_levels },
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	106
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	107 ngx_null_command
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	108 };
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	109
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	110
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	111 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	112 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	113 ngx_http_limit_conn_init, /* postconfiguration */
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	114
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	115 NULL, /* create main configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	116 NULL, /* init main configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	117
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	118 NULL, /* create server configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	119 NULL, /* merge server configuration */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	120
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	121 ngx_http_limit_conn_create_conf, /* create location configration */
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	122 ngx_http_limit_conn_merge_conf /* merge location configration */
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	123 };
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	124
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	125
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_module_t ngx_http_limit_conn_module = {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	127 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	128 &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	129 ngx_http_limit_conn_commands, /* module directives */
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	130 NGX_HTTP_MODULE, /* module type */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	131 NULL, /* init master */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	132 NULL, /* init module */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	133 NULL, /* init process */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	134 NULL, /* init thread */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	135 NULL, /* exit thread */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	136 NULL, /* exit process */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	137 NULL, /* exit master */
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	138 NGX_MODULE_V1_PADDING
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
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	141
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	142 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	143 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	144 {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	145 size_t len, n;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	146 uint32_t hash;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	147 ngx_uint_t i;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	148 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	149 ngx_rbtree_node_t *node;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	150 ngx_pool_cleanup_t *cln;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	151 ngx_http_variable_value_t *vv;
4280 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_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	153 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	154 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	155 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	156 ngx_http_limit_conn_cleanup_t *lccln;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	157
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	158 if (r->main->limit_conn_set) {
984 dd128232e6ba count connection once per request Igor Sysoev <igor@sysoev.ru> parents: 981 diff changeset	159 return NGX_DECLINED;
dd128232e6ba count connection once per request Igor Sysoev <igor@sysoev.ru> parents: 981 diff changeset	160 }
dd128232e6ba count connection once per request Igor Sysoev <igor@sysoev.ru> parents: 981 diff changeset	161
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	162 r->main->limit_conn_set = 1;
1011 19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	163
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	164 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	165 limits = lccf->limits.elts;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	166
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	167 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	168 ctx = limits[i].shm_zone->data;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	169
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	170 vv = ngx_http_get_indexed_variable(r, ctx->index);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	171
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	172 if (vv == NULL \|\| vv->not_found) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	173 continue;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	174 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	175
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	176 len = vv->len;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	177
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	178 if (len == 0) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	179 continue;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	180 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	181
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	182 if (len > 255) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	183 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	184 "the value of the \"%V\" variable "
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	185 "is more than 255 bytes: \"%v\"",
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	186 &ctx->var, vv);
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	187 continue;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	188 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	189
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	190 hash = ngx_crc32_short(vv->data, len);
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 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	193
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	194 ngx_shmtx_lock(&shpool->mutex);
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	195
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	196 node = ngx_http_limit_conn_lookup(ctx->rbtree, vv, hash);
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 if (node == NULL) {
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	199
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	200 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	201 + offsetof(ngx_http_limit_conn_node_t, data)
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	202 + len;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	203
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	204 node = ngx_slab_alloc_locked(shpool, n);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	205
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	206 if (node == NULL) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	207 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	208 ngx_http_limit_conn_cleanup_all(r->pool);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	209 return NGX_HTTP_SERVICE_UNAVAILABLE;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	210 }
2373 f4603d71f532 log 503 error reason Igor Sysoev <igor@sysoev.ru> parents: 2372 diff changeset	211
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	212 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	213
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	214 node->key = hash;
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	215 lc->len = (u_char) len;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	216 lc->conn = 1;
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	217 ngx_memcpy(lc->data, vv->data, len);
1012 11ffb8e4753f stop rbtree search early if equal hash was found Igor Sysoev <igor@sysoev.ru> parents: 1011 diff changeset	218
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	219 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	220
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	221 } else {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 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 lc = (ngx_http_limit_conn_node_t *) &node->color;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	224
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	225 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	226
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	227 ngx_shmtx_unlock(&shpool->mutex);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	228
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	229 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	230 "limiting connections by zone \"%V\"",
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	231 &limits[i].shm_zone->shm.name);
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	232
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	233 ngx_http_limit_conn_cleanup_all(r->pool);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	234 return NGX_HTTP_SERVICE_UNAVAILABLE;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	235 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	236
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	237 lc->conn++;
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	238 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	239
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	240 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	241 "limit zone: %08XD %d", node->key, lc->conn);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	242
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	243 ngx_shmtx_unlock(&shpool->mutex);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	244
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	245 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	246 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	247 if (cln == NULL) {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	248 return NGX_HTTP_INTERNAL_SERVER_ERROR;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	249 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	250
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	251 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	252 lccln = cln->data;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	253
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	254 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	255 lccln->node = node;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	256 }
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	257
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	258 return NGX_DECLINED;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	259 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	260
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	261
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	262 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	263 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	264 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	265 {
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	266 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	267 ngx_http_limit_conn_node_t lcn, lcnt;
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 for ( ;; ) {
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	270
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	271 if (node->key < temp->key) {
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	272
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	273 p = &temp->left;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	274
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	275 } else if (node->key > temp->key) {
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	276
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	277 p = &temp->right;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	278
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	279 } else { /* node->key == temp->key */
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	280
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	281 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	282 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	283
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	284 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	285 ? &temp->left : &temp->right;
4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	286 }
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	287
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	288 if (*p == sentinel) {
4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	289 break;
4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	290 }
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	291
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	292 temp = *p;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	293 }
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	294
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	295 *p = node;
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	296 node->parent = temp;
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	297 node->left = sentinel;
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	298 node->right = sentinel;
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	299 ngx_rbt_red(node);
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	300 }
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	301
38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	302
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	303 static ngx_rbtree_node_t *
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	304 ngx_http_limit_conn_lookup(ngx_rbtree_t rbtree, ngx_http_variable_value_t vv,
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	305 uint32_t hash)
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 ngx_int_t rc;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	308 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	309 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	310
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	311 node = rbtree->root;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	312 sentinel = rbtree->sentinel;
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 while (node != sentinel) {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	315
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	316 if (hash < node->key) {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	317 node = node->left;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	318 continue;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	319 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	320
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	321 if (hash > node->key) {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	322 node = node->right;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	323 continue;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	324 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	325
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	326 /* hash == node->key */
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	327
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	328 do {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	329 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	330
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	331 rc = ngx_memn2cmp(vv->data, lcn->data,
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	332 (size_t) vv->len, (size_t) lcn->len);
4270 3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	333 if (rc == 0) {
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	334 return node;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	335 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	336
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	337 node = (rc < 0) ? node->left : node->right;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	338
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	339 } while (node != sentinel && hash == node->key);
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	340
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	341 break;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	342 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	343
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	344 return NULL;
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	345 }
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	346
3544987fef85 Limit zone: rbtree lookup moved to a separate function. Valentin Bartenev <vbart@nginx.com> parents: 3186 diff changeset	347
1026 38be15c1379a fix duplicate rbtree keys case Igor Sysoev <igor@sysoev.ru> parents: 1012 diff changeset	348 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	349 ngx_http_limit_conn_cleanup(void *data)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	350 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	351 ngx_http_limit_conn_cleanup_t *lccln = data;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	352
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	353 ngx_slab_pool_t *shpool;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	354 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	355 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	356 ngx_http_limit_conn_node_t *lc;
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 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	359 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	360 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	361 lc = (ngx_http_limit_conn_node_t *) &node->color;
980 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_lock(&shpool->mutex);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	364
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	365 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, lccln->shm_zone->shm.log, 0,
91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	366 "limit zone cleanup: %08XD %d", node->key, lc->conn);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	367
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	368 lc->conn--;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	369
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	370 if (lc->conn == 0) {
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	371 ngx_rbtree_delete(ctx->rbtree, node);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	372 ngx_slab_free_locked(shpool, node);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	373 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	374
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	375 ngx_shmtx_unlock(&shpool->mutex);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	376 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	377
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	378
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	379 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	380 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	381 {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	382 ngx_pool_cleanup_t *cln;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	383
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	384 cln = pool->cleanup;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 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 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	387 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	388 cln = cln->next;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	389 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	390
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	391 pool->cleanup = cln;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	392 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	393
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	394
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	395 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	396 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	397 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	398 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	399
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	400 size_t len;
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	401 ngx_slab_pool_t *shpool;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	402 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	403 ngx_http_limit_conn_ctx_t *ctx;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	404
993 1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	405 ctx = shm_zone->data;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	406
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	407 if (octx) {
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	408 if (ngx_strcmp(ctx->var.data, octx->var.data) != 0) {
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	409 ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	410 "limit_conn_zone \"%V\" uses the \"%V\" variable "
993 1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	411 "while previously it used the \"%V\" variable",
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	412 &shm_zone->shm.name, &ctx->var, &octx->var);
993 1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	413 return NGX_ERROR;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	414 }
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	415
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	416 ctx->rbtree = octx->rbtree;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	417
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	418 return NGX_OK;
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	419 }
1b9a4d92173f pass the inherited shm_zone data Igor Sysoev <igor@sysoev.ru> parents: 987 diff changeset	420
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	421 shpool = (ngx_slab_pool_t *) shm_zone->shm.addr;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	422
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	423 if (shm_zone->shm.exists) {
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	424 ctx->rbtree = shpool->data;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	425
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	426 return NGX_OK;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	427 }
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	428
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	429 ctx->rbtree = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_t));
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	430 if (ctx->rbtree == NULL) {
980 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
2720 b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	434 shpool->data = ctx->rbtree;
b3b8c66bd520 support attaching to an existent Win32 shared memory Igor Sysoev <igor@sysoev.ru> parents: 2716 diff changeset	435
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	436 sentinel = ngx_slab_alloc(shpool, sizeof(ngx_rbtree_node_t));
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	437 if (sentinel == NULL) {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	438 return NGX_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	439 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	440
1743 4fc402c3ec73 optimize rbtree initialization and insert Igor Sysoev <igor@sysoev.ru> parents: 1406 diff changeset	441 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	442 ngx_http_limit_conn_rbtree_insert_value);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	443
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	444 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	445
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	446 shpool->log_ctx = ngx_slab_alloc(shpool, len);
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	447 if (shpool->log_ctx == NULL) {
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	448 return NGX_ERROR;
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	449 }
2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	450
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	451 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	452 &shm_zone->shm.name);
2611 2bce3f6416c6 improve ngx_slab_alloc() error logging Igor Sysoev <igor@sysoev.ru> parents: 2373 diff changeset	453
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	454 return NGX_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	455 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	456
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	457
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	458 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	459 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	460 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	461 ngx_http_limit_conn_conf_t *conf;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	462
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	463 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	464 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	465 return NULL;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	466 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	467
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	468 /*
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	469 * set by ngx_pcalloc():
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	470 *
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	471 * conf->limits.elts = NULL;
980 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
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	474 conf->log_level = NGX_CONF_UNSET_UINT;
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	475
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	476 return conf;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	477 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	478
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	479
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	480 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	481 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	482 {
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	483 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	484 ngx_http_limit_conn_conf_t *conf = child;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	485
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	486 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	487 conf->limits = prev->limits;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	488 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	489
3186 23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	490 ngx_conf_merge_uint_value(conf->log_level, prev->log_level, NGX_LOG_ERR);
23d567eabc5d limit_conn_log_level Igor Sysoev <igor@sysoev.ru> parents: 2912 diff changeset	491
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	492 return NGX_CONF_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	493 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	494
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	495
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	496 static char *
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	497 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	498 {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	499 u_char *p;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	500 ssize_t size;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	501 ngx_str_t *value, name, s;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	502 ngx_uint_t i;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	503 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	504 ngx_http_limit_conn_ctx_t *ctx;
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	505
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	506 value = cf->args->elts;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	507
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	508 ctx = NULL;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	509 size = 0;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	510 name.len = 0;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	511
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	512 for (i = 1; i < cf->args->nelts; i++) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	513
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	514 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	515
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	516 name.data = value[i].data + 5;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	517
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	518 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	519
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	520 if (p == NULL) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	521 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	522 "invalid zone size \"%V\"", &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	523 return NGX_CONF_ERROR;
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
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	526 name.len = p - name.data;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	527
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	528 s.data = p + 1;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	529 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	530
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	531 size = ngx_parse_size(&s);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	532
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	533 if (size == NGX_ERROR) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	534 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	535 "invalid zone size \"%V\"", &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	536 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	537 }
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 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	540 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	541 "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	542 return NGX_CONF_ERROR;
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
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	545 continue;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	546 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	547
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	548 if (value[i].data[0] == '$') {
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 value[i].len--;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	551 value[i].data++;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	552
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	553 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_conn_ctx_t));
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	554 if (ctx == NULL) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	555 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	556 }
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 ctx->index = ngx_http_get_variable_index(cf, &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	559 if (ctx->index == NGX_ERROR) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	560 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	561 }
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 ctx->var = value[i];
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	564
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	565 continue;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	566 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	567
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	568 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	569 "invalid parameter \"%V\"", &value[i]);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	570 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	571 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	572
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	573 if (name.len == 0) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	574 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	575 "\"%V\" must have \"zone\" parameter",
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	576 &cmd->name);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	577 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	578 }
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 if (ctx == NULL) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	581 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	582 "no variable is defined for %V \"%V\"",
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	583 &cmd->name, &name);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	584 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	585 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	586
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	587 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	588 &ngx_http_limit_conn_module);
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	589 if (shm_zone == NULL) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	590 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	591 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	592
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	593 if (shm_zone->data) {
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	594 ctx = shm_zone->data;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	595
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	596 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	597 "%V \"%V\" is already bound to variable \"%V\"",
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	598 &cmd->name, &name, &ctx->var);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	599 return NGX_CONF_ERROR;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	600 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	601
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	602 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	603 shm_zone->data = ctx;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	604
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	605 return NGX_CONF_OK;
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	606 }
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	607
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	608
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	609 static char *
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	610 ngx_http_limit_zone(ngx_conf_t cf, ngx_command_t cmd, void *conf)
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	611 {
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	612 ssize_t n;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	613 ngx_str_t *value;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	614 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	615 ngx_http_limit_conn_ctx_t *ctx;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	616
4272 260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	617 ngx_conf_deprecated(cf, &ngx_conf_deprecated_limit_zone, NULL);
260d591cb6a3 Limit zone: added the "limit_conn_zone" directive. Valentin Bartenev <vbart@nginx.com> parents: 4271 diff changeset	618
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	619 value = cf->args->elts;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	620
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	621 if (value[2].data[0] != '$') {
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	622 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	623 "invalid variable name \"%V\"", &value[2]);
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	624 return NGX_CONF_ERROR;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	625 }
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	626
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	627 value[2].len--;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	628 value[2].data++;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	629
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	630 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_limit_conn_ctx_t));
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	631 if (ctx == NULL) {
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	632 return NGX_CONF_ERROR;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	633 }
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	634
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	635 ctx->index = ngx_http_get_variable_index(cf, &value[2]);
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	636 if (ctx->index == NGX_ERROR) {
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	637 return NGX_CONF_ERROR;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	638 }
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	639
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	640 ctx->var = value[2];
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	641
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	642 n = ngx_parse_size(&value[3]);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	643
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	644 if (n == NGX_ERROR) {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	645 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	646 "invalid size of limit_zone \"%V\"", &value[3]);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	647 return NGX_CONF_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	648 }
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 if (n < (ngx_int_t) (8 * ngx_pagesize)) {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	651 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	652 "limit_zone \"%V\" is too small", &value[1]);
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	653 return NGX_CONF_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	654 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	655
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 shm_zone = ngx_shared_memory_add(cf, &value[1], n,
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	658 &ngx_http_limit_conn_module);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	659 if (shm_zone == NULL) {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	660 return NGX_CONF_ERROR;
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
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	663 if (shm_zone->data) {
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	664 ctx = shm_zone->data;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	665
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	666 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	667 "limit_zone \"%V\" is already bound to variable \"%V\"",
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	668 &value[1], &ctx->var);
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	669 return NGX_CONF_ERROR;
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	670 }
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	671
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	672 shm_zone->init = ngx_http_limit_conn_init_zone;
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	673 shm_zone->data = ctx;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	674
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	675 return NGX_CONF_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	676 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	677
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	678
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	679 static char *
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	680 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	681 {
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	682 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	683 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	684 ngx_http_limit_conn_limit_t limit, limits;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	685
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	686 ngx_str_t *value;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	687 ngx_int_t n;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	688 ngx_uint_t i;
2372 7148efbdd798 test duplicate limit_conn Igor Sysoev <igor@sysoev.ru> parents: 1743 diff changeset	689
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	690 value = cf->args->elts;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	691
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	692 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	693 &ngx_http_limit_conn_module);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	694 if (shm_zone == NULL) {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	695 return NGX_CONF_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	696 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	697
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	698 limits = lccf->limits.elts;
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	699
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	700 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	701 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	702 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	703 != NGX_OK)
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	704 {
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	705 return NGX_CONF_ERROR;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	706 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	707 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	708
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	709 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	710 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	711 return "is duplicate";
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	712 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	713 }
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	714
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	715 n = ngx_atoi(value[2].data, value[2].len);
14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	716 if (n <= 0) {
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	717 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
987 14e68f471d02 new syntax Igor Sysoev <igor@sysoev.ru> parents: 984 diff changeset	718 "invalid number of connections \"%V\"", &value[2]);
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	719 return NGX_CONF_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	720 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	721
1011 19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	722 if (n > 65535) {
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	723 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	724 "connection limit must be less 65536");
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	725 return NGX_CONF_ERROR;
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	726 }
19118c44303f test length of variable and number of connections Igor Sysoev <igor@sysoev.ru> parents: 1002 diff changeset	727
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	728 limit = ngx_array_push(&lccf->limits);
4271 b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	729 limit->conn = n;
b86cceba426a Limit zone: support for multiple "limit_conn" limits. Valentin Bartenev <vbart@nginx.com> parents: 4270 diff changeset	730 limit->shm_zone = shm_zone;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	731
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	732 return NGX_CONF_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	733 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	734
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	735
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	736 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	737 ngx_http_limit_conn_init(ngx_conf_t *cf)
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	738 {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	739 ngx_http_handler_pt *h;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	740 ngx_http_core_main_conf_t *cmcf;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	741
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	742 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	743
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	744 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	745 if (h == NULL) {
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	746 return NGX_ERROR;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	747 }
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	748
4280 91874133fb27 Renamed ngx_http_limit_zone_module to ngx_http_limit_conn_module. Valentin Bartenev <vbart@nginx.com> parents: 4272 diff changeset	749 *h = ngx_http_limit_conn_handler;
980 7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	750
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	751 return NGX_OK;
7cb910b4a58a ngx_http_limit_zone_module Igor Sysoev <igor@sysoev.ru> parents: diff changeset	752 }

Mercurial > hg > nginx

annotate src/http/modules/ngx_http_limit_conn_module.c @ 4412:d620f497c50f