details: http://hg.nginx.org/nginx/rev/c94aba230a5a branches: changeset: 6456:c94aba230a5a user: Dmitry Volyntsev <xei...@nginx.com> date: Wed Mar 23 17:44:36 2016 +0300 description: Resolver: introduced valid field in resolver responses.
It hints the amount of time a response could be considered as valid. diffstat: src/core/ngx_resolver.c | 7 +++++++ src/core/ngx_resolver.h | 1 + 2 files changed, 8 insertions(+), 0 deletions(-) diffs (70 lines): diff -r ad2360782ecd -r c94aba230a5a src/core/ngx_resolver.c --- a/src/core/ngx_resolver.c Wed Mar 23 17:44:04 2016 +0300 +++ b/src/core/ngx_resolver.c Wed Mar 23 17:44:36 2016 +0300 @@ -551,6 +551,7 @@ ngx_resolve_name_locked(ngx_resolver_t * do { ctx->state = NGX_OK; + ctx->valid = rn->valid; ctx->naddrs = naddrs; if (addrs == NULL) { @@ -597,6 +598,7 @@ ngx_resolve_name_locked(ngx_resolver_t * do { ctx->state = NGX_RESOLVE_NXDOMAIN; + ctx->valid = ngx_time() + (r->valid ? r->valid : 10); next = ctx->next; ctx->handler(ctx); @@ -859,6 +861,7 @@ ngx_resolve_addr(ngx_resolver_ctx_t *ctx /* unlock addr mutex */ ctx->state = NGX_OK; + ctx->valid = rn->valid; ctx->handler(ctx); @@ -1948,6 +1951,7 @@ ngx_resolver_process_a(ngx_resolver_t *r while (next) { ctx = next; ctx->state = code; + ctx->valid = ngx_time() + (r->valid ? r->valid : 10); next = ctx->next; ctx->handler(ctx); @@ -2262,6 +2266,7 @@ ngx_resolver_process_a(ngx_resolver_t *r while (next) { ctx = next; ctx->state = NGX_OK; + ctx->valid = rn->valid; ctx->naddrs = naddrs; if (addrs == NULL) { @@ -2541,6 +2546,7 @@ valid: while (next) { ctx = next; ctx->state = code; + ctx->valid = ngx_time() + (r->valid ? r->valid : 10); next = ctx->next; ctx->handler(ctx); @@ -2675,6 +2681,7 @@ ptr: while (next) { ctx = next; ctx->state = NGX_OK; + ctx->valid = rn->valid; ctx->name = name; next = ctx->next; diff -r ad2360782ecd -r c94aba230a5a src/core/ngx_resolver.h --- a/src/core/ngx_resolver.h Wed Mar 23 17:44:04 2016 +0300 +++ b/src/core/ngx_resolver.h Wed Mar 23 17:44:36 2016 +0300 @@ -164,6 +164,7 @@ struct ngx_resolver_ctx_s { ngx_int_t state; ngx_str_t name; + time_t valid; ngx_uint_t naddrs; ngx_addr_t *addrs; ngx_addr_t addr; _______________________________________________ nginx-devel mailing list nginx-devel@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx-devel