Mercurial > hg > nginx-quic
diff src/stream/ngx_stream_upstream_round_robin.c @ 8249:90cc7194e993
Upstream: excluded down servers from the next_upstream tries.
Previously, the number of next_upstream tries included servers marked
as "down", resulting in "no live upstreams" with the code 502 instead
of the code derived from an attempt to connect to the last tried "up"
server (ticket #2096).
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Fri, 27 Nov 2020 00:01:20 +0300 |
parents | b99cbafd51da |
children |
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--- a/src/stream/ngx_stream_upstream_round_robin.c +++ b/src/stream/ngx_stream_upstream_round_robin.c @@ -10,8 +10,8 @@ #include <ngx_stream.h> -#define ngx_stream_upstream_tries(p) ((p)->number \ - + ((p)->next ? (p)->next->number : 0)) +#define ngx_stream_upstream_tries(p) ((p)->tries \ + + ((p)->next ? (p)->next->tries : 0)) static ngx_stream_upstream_rr_peer_t *ngx_stream_upstream_get_peer( @@ -38,7 +38,7 @@ ngx_stream_upstream_init_round_robin(ngx ngx_stream_upstream_srv_conf_t *us) { ngx_url_t u; - ngx_uint_t i, j, n, w; + ngx_uint_t i, j, n, w, t; ngx_stream_upstream_server_t *server; ngx_stream_upstream_rr_peer_t *peer, **peerp; ngx_stream_upstream_rr_peers_t *peers, *backup; @@ -50,6 +50,7 @@ ngx_stream_upstream_init_round_robin(ngx n = 0; w = 0; + t = 0; for (i = 0; i < us->servers->nelts; i++) { if (server[i].backup) { @@ -58,6 +59,10 @@ ngx_stream_upstream_init_round_robin(ngx n += server[i].naddrs; w += server[i].naddrs * server[i].weight; + + if (!server[i].down) { + t += server[i].naddrs; + } } if (n == 0) { @@ -81,6 +86,7 @@ ngx_stream_upstream_init_round_robin(ngx peers->number = n; peers->weighted = (w != n); peers->total_weight = w; + peers->tries = t; peers->name = &us->host; n = 0; @@ -116,6 +122,7 @@ ngx_stream_upstream_init_round_robin(ngx n = 0; w = 0; + t = 0; for (i = 0; i < us->servers->nelts; i++) { if (!server[i].backup) { @@ -124,6 +131,10 @@ ngx_stream_upstream_init_round_robin(ngx n += server[i].naddrs; w += server[i].naddrs * server[i].weight; + + if (!server[i].down) { + t += server[i].naddrs; + } } if (n == 0) { @@ -145,6 +156,7 @@ ngx_stream_upstream_init_round_robin(ngx backup->number = n; backup->weighted = (w != n); backup->total_weight = w; + backup->tries = t; backup->name = &us->host; n = 0; @@ -220,6 +232,7 @@ ngx_stream_upstream_init_round_robin(ngx peers->number = n; peers->weighted = 0; peers->total_weight = n; + peers->tries = n; peers->name = &us->host; peerp = &peers->peer; @@ -342,6 +355,7 @@ ngx_stream_upstream_create_round_robin_p peers->single = (ur->naddrs == 1); peers->number = ur->naddrs; + peers->tries = ur->naddrs; peers->name = &ur->host; if (ur->sockaddr) {