-DiskAction* DiskS19Model::io_start(const DiskImpl* disk, sg_size_t size, s4u::Io::OpType type)
-{
- auto* action = new DiskS19Action(this, static_cast<double>(size), not disk->is_on());
- get_maxmin_system()->expand(disk->get_constraint(), action->get_variable(), 1.0);
- switch (type) {
- case s4u::Io::OpType::READ:
- get_maxmin_system()->expand(disk->get_read_constraint(), action->get_variable(), 1.0);
- break;
- case s4u::Io::OpType::WRITE:
- get_maxmin_system()->expand(disk->get_write_constraint(), action->get_variable(), 1.0);
- break;
- default:
- THROW_UNIMPLEMENTED;
- }
- const auto& factor_cb = disk->get_factor_cb();
- if (factor_cb) { // handling disk variability
- action->set_rate_factor(factor_cb(size, type));
- }
- return action;
-}
-