X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bcda50d908652a231af89aa5764f6f20d6e7f271..de054f9c7a56304ef1227a0664eba51161e9a8a4:/src/plugins/jbod.cpp diff --git a/src/plugins/jbod.cpp b/src/plugins/jbod.cpp index bd42728c1a..8e169c45bd 100644 --- a/src/plugins/jbod.cpp +++ b/src/plugins/jbod.cpp @@ -14,52 +14,53 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_jbod, s4u, "Logging specific to the JBOD imp namespace simgrid::plugin { -Jbod* Jbod::create_jbod(s4u::NetZone* zone, const std::string& name, double speed, unsigned int num_disks, - RAID raid_level, double read_bandwidth, double write_bandwidth) +JbodPtr Jbod::create_jbod(s4u::NetZone* zone, const std::string& name, double speed, unsigned int num_disks, + RAID raid_level, double read_bandwidth, double write_bandwidth) { xbt_assert(not ((raid_level == RAID::RAID4 || raid_level == RAID::RAID5) && num_disks < 3), "RAID%d requires at least 3 disks", (int) raid_level); xbt_assert(not (raid_level == RAID::RAID6 && num_disks < 4), "RAID6 requires at least 4 disks"); - auto* jbod = static_cast(zone->create_host(name, speed)); + auto* jbod = new Jbod(); + jbod->set_controller(zone->create_host(name, speed)); jbod->set_num_disks(num_disks); jbod->set_parity_disk_idx(num_disks -1 ); jbod->set_read_disk_idx(-1); jbod->set_raid_level(raid_level); for (unsigned int i = 0; i < num_disks; i++) - jbod->create_disk(name + "_disk_" + std::to_string(i), read_bandwidth, write_bandwidth); + jbod->get_controller()->create_disk(name + "_disk_" + std::to_string(i), read_bandwidth, write_bandwidth); - return jbod; + return JbodPtr(jbod, false); } JbodIoPtr Jbod::read_async(sg_size_t size) { - auto comm = s4u::Comm::sendto_init()->set_source(const_cast(this))->set_payload_size(size); + auto comm = s4u::Comm::sendto_init()->set_source(this->controller_)->set_payload_size(size); std::vector pending_ios; sg_size_t read_size = 0; std::vector targets; switch(raid_level_) { case RAID::RAID0: read_size = size / num_disks_; - targets = get_disks(); + targets = controller_->get_disks(); break; case RAID::RAID1: read_size = size; - targets.push_back(get_disks().at(get_next_read_disk_idx())); + targets.push_back(controller_->get_disks().at(get_next_read_disk_idx())); break; case RAID::RAID4: read_size = size / (num_disks_ - 1); - targets = get_disks(); + targets = controller_->get_disks(); targets.pop_back(); break; case RAID::RAID5: read_size = size / (num_disks_ - 1); - targets = get_disks(); + targets = controller_->get_disks(); targets.erase(targets.begin() + (get_parity_disk_idx() + 1 % num_disks_)); break; case RAID::RAID6: read_size = size / (num_disks_ - 2); - targets = get_disks(); + targets = controller_->get_disks(); if ( (get_parity_disk_idx() + 2 % num_disks_) == 0 ) { targets.pop_back(); targets.erase(targets.begin()); @@ -91,7 +92,7 @@ sg_size_t Jbod::read(sg_size_t size) JbodIoPtr Jbod::write_async(sg_size_t size) { - auto comm = s4u::Comm::sendto_init(s4u::Host::current(), const_cast(this)); + auto comm = s4u::Comm::sendto_init(s4u::Host::current(), this->get_controller()); std::vector pending_ios; sg_size_t write_size = 0; switch(raid_level_) { @@ -116,7 +117,7 @@ JbodIoPtr Jbod::write_async(sg_size_t size) default: xbt_die("Unsupported RAID level. Supported level are: 0, 1, 4, 5, and 6"); } - for (const auto* disk : get_disks()) { + for (const auto* disk : get_controller()->get_disks()) { auto io = s4u::IoPtr(disk->io_init(write_size, s4u::Io::OpType::WRITE)); io->set_name(disk->get_name()); pending_ios.push_back(io); @@ -148,7 +149,7 @@ void JbodIo::wait() transfer_->wait(); XBT_DEBUG("Data received on JBOD"); if (parity_block_comp_) { - parity_block_comp_->set_host(const_cast(jbod_))->wait(); + parity_block_comp_->set_host(jbod_->get_controller())->wait(); XBT_DEBUG("Parity block computed"); } XBT_DEBUG("Start writing");