apr_status_t h2_mplx_process(h2_mplx *m, int stream_id, const h2_request *req,
h2_stream_pri_cmp *cmp, void *ctx)
{
apr_status_t status;
int was_empty = 0;
int acquired;
AP_DEBUG_ASSERT(m);
if ((status = enter_mutex(m, &acquired)) == APR_SUCCESS) {
if (m->aborted) {
status = APR_ECONNABORTED;
}
else {
h2_io *io = open_io(m, stream_id);
io->request = req;
if (!io->request->body) {
status = h2_io_in_close(io);
}
was_empty = h2_tq_empty(m->q);
h2_tq_add(m->q, io->id, cmp, ctx);
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, m->c,
"h2_mplx(%ld-%d): process", m->c->id, stream_id);
H2_MPLX_IO_IN(APLOG_TRACE2, m, io, "h2_mplx_process");
}
leave_mutex(m, acquired);
}
if (status == APR_SUCCESS && was_empty) {
workers_register(m);
}
return status;
}
h2_task *h2_mplx_pop_task(h2_mplx *m, h2_worker *w, int *has_more)
{
h2_task *task = NULL;
apr_status_t status;
AP_DEBUG_ASSERT(m);
if (m->aborted) {
*has_more = 0;
return NULL;
}
status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
int sid;
while (!task && (sid = h2_tq_shift(m->q)) > 0) {
/* Anything not already setup correctly in the task
* needs to be so now, as task will be executed right about
* when this method returns. */
h2_io *io = h2_io_set_get(m->stream_ios, sid);
if (io) {
task = h2_worker_create_task(w, m, io->request, !io->request_body);
}
}
*has_more = !h2_tq_empty(m->q);
apr_thread_mutex_unlock(m->lock);
}
return task;
}
h2_task *h2_mplx_pop_task(h2_mplx *m, int *has_more)
{
h2_task *task = NULL;
AP_DEBUG_ASSERT(m);
if (m->aborted) {
*has_more = 0;
return NULL;
}
apr_status_t status = apr_thread_mutex_lock(m->lock);
if (APR_SUCCESS == status) {
task = h2_tq_pop_first(m->q);
if (task) {
h2_task_set_started(task);
}
*has_more = !h2_tq_empty(m->q);
apr_thread_mutex_unlock(m->lock);
}
return task;
}
const h2_request *h2_mplx_pop_request(h2_mplx *m, int *has_more)
{
const h2_request *req = NULL;
apr_status_t status;
int acquired;
AP_DEBUG_ASSERT(m);
if ((status = enter_mutex(m, &acquired)) == APR_SUCCESS) {
if (m->aborted) {
req = NULL;
*has_more = 0;
}
else {
req = pop_request(m);
*has_more = !h2_tq_empty(m->q);
}
leave_mutex(m, acquired);
}
return req;
}