h2_stream *h2_mplx_next_submit(h2_mplx *m, h2_stream_set *streams)
{
apr_status_t status;
h2_stream *stream = NULL;
AP_DEBUG_ASSERT(m);
if (m->aborted) {
return NULL;
}
status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
h2_io *io = h2_io_set_get_highest_prio(m->ready_ios);
if (io) {
h2_response *response = io->response;
h2_io_set_remove(m->ready_ios, io);
stream = h2_stream_set_get(streams, response->stream_id);
if (stream) {
h2_stream_set_response(stream, response, io->bbout);
if (io->output_drained) {
apr_thread_cond_signal(io->output_drained);
}
}
else {
ap_log_cerror(APLOG_MARK, APLOG_WARNING, APR_NOTFOUND, m->c,
APLOGNO(02953) "h2_mplx(%ld): stream for response %d",
m->id, response->stream_id);
}
}
apr_thread_mutex_unlock(m->lock);
}
return stream;
}
h2_stream *h2_mplx_next_submit(h2_mplx *m, h2_stream_set *streams)
{
apr_status_t status;
h2_stream *stream = NULL;
AP_DEBUG_ASSERT(m);
if (m->aborted) {
return NULL;
}
status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
h2_io *io = h2_io_set_pop_highest_prio(m->ready_ios);
if (io) {
stream = h2_stream_set_get(streams, io->id);
if (stream) {
if (io->rst_error) {
h2_stream_rst(stream, io->rst_error);
}
else {
AP_DEBUG_ASSERT(io->response);
H2_MPLX_IO_OUT(APLOG_TRACE2, m, io, "h2_mplx_next_submit_pre");
h2_stream_set_response(stream, io->response, io->bbout);
H2_MPLX_IO_OUT(APLOG_TRACE2, m, io, "h2_mplx_next_submit_post");
}
}
else {
/* We have the io ready, but the stream has gone away, maybe
* reset by the client. Should no longer happen since such
* streams should clear io's from the ready queue.
*/
ap_log_cerror(APLOG_MARK, APLOG_INFO, 0, m->c, APLOGNO(02953)
"h2_mplx(%ld): stream for response %d closed, "
"resetting io to close request processing",
m->id, io->id);
io->orphaned = 1;
if (io->task_done) {
io_destroy(m, io, 1);
}
else {
/* hang around until the h2_task is done, but
* shutdown input and send out any events (e.g. window
* updates) asap. */
h2_io_in_shutdown(io);
h2_io_rst(io, H2_ERR_STREAM_CLOSED);
io_process_events(m, io);
}
}
if (io->output_drained) {
apr_thread_cond_signal(io->output_drained);
}
}
apr_thread_mutex_unlock(m->lock);
}
return stream;
}
h2_stream *h2_mplx_next_submit(h2_mplx *m, h2_stream_set *streams)
{
apr_status_t status;
h2_stream *stream = NULL;
int acquired;
AP_DEBUG_ASSERT(m);
if ((status = enter_mutex(m, &acquired)) == APR_SUCCESS) {
h2_io *io = h2_io_set_pop_highest_prio(m->ready_ios);
if (io && !m->aborted) {
stream = h2_stream_set_get(streams, io->id);
if (stream) {
if (io->rst_error) {
h2_stream_rst(stream, io->rst_error);
}
else {
AP_DEBUG_ASSERT(io->response);
H2_MPLX_IO_OUT(APLOG_TRACE2, m, io, "h2_mplx_next_submit_pre");
h2_stream_set_response(stream, io->response, io->bbout);
H2_MPLX_IO_OUT(APLOG_TRACE2, m, io, "h2_mplx_next_submit_post");
}
}
else {
/* We have the io ready, but the stream has gone away, maybe
* reset by the client. Should no longer happen since such
* streams should clear io's from the ready queue.
*/
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, 0, m->c,
"h2_mplx(%ld): stream for response %d closed, "
"resetting io to close request processing",
m->id, io->id);
h2_io_make_orphaned(io, H2_ERR_STREAM_CLOSED);
if (!io->worker_started || io->worker_done) {
io_destroy(m, io, 1);
}
else {
/* hang around until the h2_task is done, but
* shutdown input and send out any events (e.g. window
* updates) asap. */
h2_io_in_shutdown(io);
io_process_events(m, io);
}
}
h2_io_signal(io, H2_IO_WRITE);
}
leave_mutex(m, acquired);
}
return stream;
}
