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Nginx/nginx-demo/nginx_upstream_check_module/check_1.5.12+.patch

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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 041883f..b1bc7d0 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 +9,10 @@
#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 */
@@ -212,6 +216,15 @@ ngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, void *data)
goto next_try;
}
+#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_try;
+ }
+#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 dbef95d..dc9b518 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 +9,10 @@
#include <ngx_core.h>
#include <ngx_http.h>
+#if (NGX_HTTP_UPSTREAM_CHECK)
+#include "ngx_http_upstream_check_module.h"
+#endif
+
typedef struct {
ngx_uint_t *conns;
@@ -203,6 +207,16 @@ 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)
@@ -256,6 +270,16 @@ 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 (lcp->conns[i] * best->weight != lcp->conns[p] * peer->weight) {
continue;
}
diff --git a/src/http/ngx_http_upstream_round_robin.c b/src/http/ngx_http_upstream_round_robin.c
index 85ff558..2fe9bb6 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
static ngx_http_upstream_rr_peer_t *ngx_http_upstream_get_peer(
ngx_http_upstream_rr_peer_data_t *rrp);
@@ -85,6 +88,14 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
peers->peer[n].max_fails = server[i].max_fails;
peers->peer[n].fail_timeout = server[i].fail_timeout;
peers->peer[n].down = server[i].down;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ if (!server[i].down) {
+ peers->peer[n].check_index =
+ ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
+ } else {
+ peers->peer[n].check_index = (ngx_uint_t) NGX_ERROR;
+ }
+#endif
n++;
}
}
@@ -139,6 +150,17 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
backup->peer[n].max_fails = server[i].max_fails;
backup->peer[n].fail_timeout = server[i].fail_timeout;
backup->peer[n].down = server[i].down;
+
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ if (!server[i].down) {
+ backup->peer[n].check_index =
+ ngx_http_upstream_check_add_peer(cf, us, &server[i].addrs[j]);
+ }
+ else {
+ backup->peer[n].check_index = (ngx_uint_t) NGX_ERROR;
+ }
+#endif
+
n++;
}
}
@@ -196,6 +218,9 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
peers->peer[i].current_weight = 0;
peers->peer[i].max_fails = 1;
peers->peer[i].fail_timeout = 10;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ peers->peer[i].check_index = (ngx_uint_t) NGX_ERROR;
+#endif
}
us->peer.data = peers;
@@ -302,6 +327,9 @@ ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
peers->peer[0].current_weight = 0;
peers->peer[0].max_fails = 1;
peers->peer[0].fail_timeout = 10;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ peers->peer[0].check_index = (ngx_uint_t) NGX_ERROR;
+#endif
} else {
@@ -342,6 +370,9 @@ ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
peers->peer[i].current_weight = 0;
peers->peer[i].max_fails = 1;
peers->peer[i].fail_timeout = 10;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ peers->peer[i].check_index = (ngx_uint_t) NGX_ERROR;
+#endif
}
}
@@ -399,6 +430,12 @@ 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
+
} else {
/* there are several peers */
@@ -498,6 +535,12 @@ 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 ea90ab9..a6fb33f 100644
--- a/src/http/ngx_http_upstream_round_robin.h
+++ b/src/http/ngx_http_upstream_round_robin.h
@@ -30,6 +30,10 @@ typedef struct {
ngx_uint_t max_fails;
time_t fail_timeout;
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_uint_t check_index;
+#endif
+
ngx_uint_t down; /* unsigned down:1; */
#if (NGX_HTTP_SSL)
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