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Nginx/nginx-demo/nginx_upstream_check_module/check.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 fd9ecbe..d3849b6 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 */
@@ -182,6 +186,12 @@ ngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, void *data)
if (!peer->down) {
+#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)) {
+#endif
if (peer->max_fails == 0 || peer->fails < peer->max_fails) {
break;
}
@@ -190,6 +200,9 @@ ngx_http_upstream_get_ip_hash_peer(ngx_peer_connection_t *pc, void *data)
peer->fails = 0;
break;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ }
+#endif
}
iphp->rrp.tried[n] |= m;
diff --git a/src/http/ngx_http_upstream_round_robin.c b/src/http/ngx_http_upstream_round_robin.c
index afc9b2e..1c0344e 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_int_t ngx_http_upstream_cmp_servers(const void *one,
const void *two);
@@ -75,6 +78,17 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
peers->peer[n].down = server[i].down;
peers->peer[n].weight = server[i].down ? 0 : server[i].weight;
peers->peer[n].current_weight = peers->peer[n].weight;
+
+#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++;
}
}
@@ -128,6 +142,17 @@ 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++;
}
}
@@ -186,6 +211,9 @@ ngx_http_upstream_init_round_robin(ngx_conf_t *cf,
peers->peer[i].current_weight = 1;
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 +330,9 @@ ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
peers->peer[0].current_weight = 1;
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 {
@@ -334,6 +365,9 @@ ngx_http_upstream_create_round_robin_peer(ngx_http_request_t *r,
peers->peer[i].current_weight = 1;
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
}
}
@@ -411,7 +445,11 @@ ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data)
if (rrp->peers->single) {
peer = &rrp->peers->peer[0];
-
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ if (ngx_http_upstream_check_peer_down(peer->check_index)) {
+ return NGX_BUSY;
+ }
+#endif
} else {
/* there are several peers */
@@ -438,6 +476,12 @@ ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data)
if (!peer->down) {
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+ "get rr peer, check_index: %ui",
+ peer->check_index);
+ if (!ngx_http_upstream_check_peer_down(peer->check_index)) {
+#endif
if (peer->max_fails == 0
|| peer->fails < peer->max_fails)
{
@@ -448,6 +492,9 @@ ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data)
peer->fails = 0;
break;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ }
+#endif
peer->current_weight = 0;
@@ -486,6 +533,12 @@ ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data)
if (!peer->down) {
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
+ "get rr peer2, check_index: %ui",
+ peer->check_index);
+ if (!ngx_http_upstream_check_peer_down(peer->check_index)) {
+#endif
if (peer->max_fails == 0
|| peer->fails < peer->max_fails)
{
@@ -496,6 +549,9 @@ ngx_http_upstream_get_round_robin_peer(ngx_peer_connection_t *pc, void *data)
peer->fails = 0;
break;
}
+#if (NGX_HTTP_UPSTREAM_CHECK)
+ }
+#endif
peer->current_weight = 0;
diff --git a/src/http/ngx_http_upstream_round_robin.h b/src/http/ngx_http_upstream_round_robin.h
index 6d285ab..354cca2 100644
--- a/src/http/ngx_http_upstream_round_robin.h
+++ b/src/http/ngx_http_upstream_round_robin.h
@@ -28,6 +28,10 @@ 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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