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Upstream: request finalization rework.

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No semantic changes expected, though some checks are done differently.
In particular, the r->cached flag is no longer explicitly checked.  Instead,
we relay on u->header_sent not being set if a response is sent from
a cache.
This commit is contained in:
Maxim Dounin 2013-07-25 15:00:29 +04:00
parent 86277254dd
commit 78aacc838b
1 changed files with 17 additions and 14 deletions
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31
src/http/ngx_http_upstream.c
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@ -3403,27 +3403,30 @@ ngx_http_upstream_finalize_request(ngx_http_request_t *r,
#endif
if (u->header_sent
&& rc != NGX_HTTP_REQUEST_TIME_OUT
&& rc != NGX_HTTP_CLIENT_CLOSED_REQUEST
&& (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE))
{
rc = 0;
}
if (rc == NGX_DECLINED) {
return;
}
r->connection->log->action = "sending to client";
if (rc == 0
&& !r->header_only
#if (NGX_HTTP_CACHE)
&& !r->cached
#endif
)
if (!u->header_sent
|| rc == NGX_HTTP_REQUEST_TIME_OUT
|| rc == NGX_HTTP_CLIENT_CLOSED_REQUEST)
{
ngx_http_finalize_request(r, rc);
return;
}
if (rc == NGX_ERROR || rc >= NGX_HTTP_SPECIAL_RESPONSE) {
rc = 0;
}
if (r->header_only) {
ngx_http_finalize_request(r, rc);
return;
}
if (rc == 0) {
rc = ngx_http_send_special(r, NGX_HTTP_LAST);
}