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core: Cleanup the request soon/even if some output filter fails to

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handle the EOR bucket.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1666998 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yann Ylavic
2015-03-16 13:52:39 +00:00
parent db59acf665
commit f6090114a8
3 changed files with 27 additions and 14 deletions
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27
modules/http/http_request.c
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@@ -228,12 +228,12 @@ AP_DECLARE(void) ap_die(int type, request_rec *r)
ap_die_r(type, r, r->status);
}
static void check_pipeline(conn_rec *c)
static void check_pipeline(conn_rec *c, apr_bucket_brigade *bb)
{
if (c->keepalive != AP_CONN_CLOSE) {
if (c->keepalive != AP_CONN_CLOSE && !c->aborted) {
apr_status_t rv;
apr_bucket_brigade *bb = apr_brigade_create(c->pool, c->bucket_alloc);
AP_DEBUG_ASSERT(APR_BRIGADE_EMPTY(bb));
rv = ap_get_brigade(c->input_filters, bb, AP_MODE_SPECULATIVE,
APR_NONBLOCK_READ, 1);
if (rv != APR_SUCCESS || APR_BRIGADE_EMPTY(bb)) {
@@ -246,7 +246,6 @@ static void check_pipeline(conn_rec *c)
else {
c->data_in_input_filters = 1;
}
apr_brigade_destroy(bb);
}
}
@@ -261,20 +260,30 @@ AP_DECLARE(void) ap_process_request_after_handler(request_rec *r)
* this bucket is destroyed, the request will be logged and
* its pool will be freed
*/
bb = apr_brigade_create(r->connection->pool, r->connection->bucket_alloc);
b = ap_bucket_eor_create(r->connection->bucket_alloc, r);
bb = apr_brigade_create(c->pool, c->bucket_alloc);
b = ap_bucket_eor_create(c->bucket_alloc, r);
APR_BRIGADE_INSERT_HEAD(bb, b);
ap_pass_brigade(r->connection->output_filters, bb);
ap_pass_brigade(c->output_filters, bb);
/* The EOR bucket has either been handled by an output filter (eg.
* deleted or moved to a buffered_bb => no more in bb), or an error
* occured before that (eg. c->aborted => still in bb) and we ought
* to destroy it now. So cleanup any remaining bucket along with
* the orphan request (if any).
*/
apr_brigade_cleanup(bb);
/* From here onward, it is no longer safe to reference r
* or r->pool, because r->pool may have been destroyed
* already by the EOR bucket's cleanup function.
*/
check_pipeline(c, bb);
apr_brigade_destroy(bb);
if (c->cs)
c->cs->state = CONN_STATE_WRITE_COMPLETION;
check_pipeline(c);
c->cs->state = (c->aborted) ? CONN_STATE_LINGER
: CONN_STATE_WRITE_COMPLETION;
AP_PROCESS_REQUEST_RETURN((uintptr_t)r, r->uri, r->status);
if (ap_extended_status) {
ap_time_process_request(c->sbh, STOP_PREQUEST);