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Resolver: close UDP socket on error or incomplete send.

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This commit is contained in:
Ruslan Ermilov 2018-05-23 10:41:38 +03:00
parent 4fca5bf1e1
commit 4ac8036e78
1 changed files with 9 additions and 2 deletions
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11
src/core/ngx_resolver.c
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@ -1300,15 +1300,22 @@ ngx_resolver_send_udp_query(ngx_resolver_t *r, ngx_resolver_connection_t *rec,
n = ngx_send(rec->udp, query, qlen); n = ngx_send(rec->udp, query, qlen);
if (n == NGX_ERROR) { if (n == NGX_ERROR) {
return NGX_ERROR; goto failed;
} }
if ((size_t) n != (size_t) qlen) { if ((size_t) n != (size_t) qlen) {
ngx_log_error(NGX_LOG_CRIT, &rec->log, 0, "send() incomplete"); ngx_log_error(NGX_LOG_CRIT, &rec->log, 0, "send() incomplete");
return NGX_ERROR; goto failed;
} }
return NGX_OK; return NGX_OK;
failed:
ngx_close_connection(rec->udp);
rec->udp = NULL;
return NGX_ERROR;
} }