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#include "../rack/uwsgi_rack.h"
extern struct uwsgi_server uwsgi;
extern struct uwsgi_rack ur;
struct ufib {
VALUE *fib;
} ufiber;
VALUE uwsgi_fiber_request() {
uwsgi.wsgi_req->async_status = uwsgi.p[uwsgi.wsgi_req->uh.modifier1]->request(uwsgi.wsgi_req);
uwsgi.wsgi_req->suspended = 0;
return Qnil;
}
inline static void fiber_schedule_to_req() {
int id = uwsgi.wsgi_req->async_id;
if (!uwsgi.wsgi_req->suspended) {
ufiber.fib[id] = rb_fiber_new(uwsgi_fiber_request, Qnil);
rb_gc_register_address(&ufiber.fib[id]);
uwsgi.wsgi_req->suspended = 1;
}
rb_fiber_resume(ufiber.fib[id], 0, NULL);
if (uwsgi.wsgi_req->suspended) {
uwsgi.wsgi_req->async_status = UWSGI_AGAIN;
}
}
inline static void fiber_schedule_to_main(struct wsgi_request *wsgi_req) {
rb_fiber_yield(0, NULL);
uwsgi.wsgi_req = wsgi_req;
}
VALUE protected_async_loop() {
async_loop(NULL);
return Qnil;
}
void fiber_loop() {
int error = 0;
ufiber.fib = uwsgi_malloc( sizeof(VALUE) * uwsgi.async );
uwsgi.schedule_to_main = fiber_schedule_to_main;
uwsgi.schedule_to_req = fiber_schedule_to_req;
ur.unprotected = 1;
rb_protect(protected_async_loop, 0, &error);
if (error) {
uwsgi_ruby_exception();
exit(1);
}
// never here
}
int fiber_init() {
uwsgi_register_loop( (char *) "fiber", fiber_loop);
return 0;
}
struct uwsgi_plugin fiber_plugin = {
.name = "fiber",
.init = fiber_init,
};
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