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Nginx/nginx-demo/nginx_upstream_check_module/check_1.16.1+.patch

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diff --git a/src/http/modules/ngx_http_upstream_hash_module.c b/src/http/modules/ngx_http_upstream_hash_module.c
index 6c247b5..1ae9cce 100644
--- a/src/http/modules/ngx_http_upstream_hash_module.c
+++ b/src/http/modules/ngx_http_upstream_hash_module.c
@@ -9,6 +9,9 @@
#include <ngx_core.h>
#include <ngx_http.h>
+#if (NGX_HTTP_UPSTREAM_CHECK)
+#include "ngx_http_upstream_check_module.h"
+#endif
typedef struct {
uint32_t hash;
@@ -238,6 +241,14 @@ ngx_http_upstream_get_hash_peer(ngx_peer_connection_t *pc, void *data)
goto next;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+ "get hash peer, check_index: %ui", peer->check_index);
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ goto next;
+ }
+#endif
+
if (peer->max_fails
&& peer->fails >= peer->max_fails
&& now - peer->checked <= peer->fail_timeout)
@@ -560,6 +571,15 @@ ngx_http_upstream_get_chash_peer(ngx_peer_connection_t *pc, void *data)
continue;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+ "get consistent_hash peer, check_index: %ui",
+ peer->check_index);
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ continue;
+ }
+#endif
+
if (peer->server.len != server->len
|| ngx_strncmp(peer->server.data, server->data, server->len)
!= 0)
diff --git a/src/http/modules/ngx_http_upstream_ip_hash_module.c b/src/http/modules/ngx_http_upstream_ip_hash_module.c
index 1fa01d9..366aca9 100644
--- a/src/http/modules/ngx_http_upstream_ip_hash_module.c
+++ b/src/http/modules/ngx_http_upstream_ip_hash_module.c
@@ -9,6 +9,9 @@
#include <ngx_core.h>
#include <ngx_http.h>
+#if (NGX_HTTP_UPSTREAM_CHECK)
+#include "ngx_http_upstream_check_module.h"
+#endif
typedef struct {
/* the round robin data must be first */
@@ -208,6 +211,15 @@ ngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, void *data)
goto next;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+ "get ip_hash peer, check_index: %ui",
+ peer->check_index);
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ goto next;
+ }
+#endif
+
if (peer->max_fails
&& peer->fails >= peer->max_fails
&& now - peer->checked <= peer->fail_timeout)
diff --git a/src/http/modules/ngx_http_upstream_least_conn_module.c b/src/http/modules/ngx_http_upstream_least_conn_module.c
index ebe0627..3525035 100644
--- a/src/http/modules/ngx_http_upstream_least_conn_module.c
+++ b/src/http/modules/ngx_http_upstream_least_conn_module.c
@@ -9,6 +9,9 @@
#include <ngx_core.h>
#include <ngx_http.h>
+#if (NGX_HTTP_UPSTREAM_CHECK)
+#include "ngx_http_upstream_check_module.h"
+#endif
static ngx_int_t ngx_http_upstream_init_least_conn_peer(ngx_http_request_t *r,
ngx_http_upstream_srv_conf_t *us);
@@ -147,6 +150,16 @@ ngx_http_upstream_get_least_conn_peer(ngx_peer_connection_t *pc, void *data)
continue;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+ "get least_conn peer, check_index: %ui",
+ peer->check_index);
+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ continue;
+ }
+#endif
+
if (peer->max_fails
&& peer->fails >= peer->max_fails
&& now - peer->checked <= peer->fail_timeout)
@@ -202,6 +215,16 @@ ngx_http_upstream_get_least_conn_peer(ngx_peer_connection_t *pc, void *data)
continue;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+ "get least_conn peer, check_index: %ui",
+ peer->check_index);
+
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ continue;
+ }
+#endif
+
if (peer->conns * best->weight != best->conns * peer->weight) {
continue;
}
diff --git a/src/http/ngx_http_upstream_round_robin.c b/src/http/ngx_http_upstream_round_robin.c
index f72de3e..78b3342 100644
--- a/src/http/ngx_http_upstream_round_robin.c
+++ b/src/http/ngx_http_upstream_round_robin.c
@@ -9,6 +9,9 @@
#include <ngx_core.h>
#include <ngx_http.h>
+#if (NGX_HTTP_UPSTREAM_CHECK)
+#include "ngx_http_upstream_check_module.h"
+#endif
#define ngx_http_upstream_tries(p) ((p)->number \
+ ((p)->next ? (p)->next->number : 0))
@@ -98,6 +101,15 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
peer[n].down = server[i].down;
peer[n].server = server[i].name;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ if (!server[i].down) {
+ peer[n].check_index =
+ ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
+ } else {
+ peer[n].check_index = (ngx_uint_t) NGX_ERROR;
+ }
+#endif
+
*peerp = &peer[n];
peerp = &peer[n].next;
n++;
@@ -162,6 +174,16 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
peer[n].down = server[i].down;
peer[n].server = server[i].name;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ if (!server[i].down) {
+ peer[n].check_index =
+ ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
+ }
+ else {
+ peer[n].check_index = (ngx_uint_t) NGX_ERROR;
+ }
+#endif
+
*peerp = &peer[n];
peerp = &peer[n].next;
n++;
@@ -228,6 +250,9 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
peer[i].max_conns = 0;
peer[i].max_fails = 1;
peer[i].fail_timeout = 10;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ peer[i].check_index = (ngx_uint_t) NGX_ERROR;
+#endif
*peerp = &peer[i];
peerp = &peer[i].next;
}
@@ -344,6 +369,9 @@ ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
peer[0].max_conns = 0;
peer[0].max_fails = 1;
peer[0].fail_timeout = 10;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ peer[0].check_index = (ngx_uint_t) NGX_ERROR;
+#endif
peers->peer = peer;
} else {
@@ -378,6 +406,9 @@ ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
peer[i].max_conns = 0;
peer[i].max_fails = 1;
peer[i].fail_timeout = 10;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ peer[i].check_index = (ngx_uint_t) NGX_ERROR;
+#endif
*peerp = &peer[i];
peerp = &peer[i].next;
}
@@ -443,6 +474,12 @@ ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data)
goto failed;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ goto failed;
+ }
+#endif
+
rrp->current = peer;
} else {
@@ -537,6 +574,12 @@ ngx_http_upstream_get_peer(ngx_http_upstream_rr_peer_data_t *rrp)
continue;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ continue;
+ }
+#endif
+
if (peer->max_fails
&& peer->fails >= peer->max_fails
&& now - peer->checked <= peer->fail_timeout)
diff --git a/src/http/ngx_http_upstream_round_robin.h b/src/http/ngx_http_upstream_round_robin.h
index 45f258d..dee91d0 100644
--- a/src/http/ngx_http_upstream_round_robin.h
+++ b/src/http/ngx_http_upstream_round_robin.h
@@ -38,6 +38,10 @@ struct ngx_http_upstream_rr_peer_s {
ngx_msec_t slow_start;
ngx_msec_t start_time;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_uint_t check_index;
+#endif
+
ngx_uint_t down;
#if (NGX_HTTP_SSL || NGX_COMPAT)
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