X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5a77ab53a4a037194f394ef90f484f490d487be1..0eead244337fde8f0508629f8f8473f946c19f88:/src/s4u/s4u_host.cpp diff --git a/src/s4u/s4u_host.cpp b/src/s4u/s4u_host.cpp index 3842d674e9..77057f2a85 100644 --- a/src/s4u/s4u_host.cpp +++ b/src/s4u/s4u_host.cpp @@ -10,25 +10,30 @@ #include -#include - -#include "xbt/log.h" +#include "simgrid/s4u/host.hpp" +#include "simgrid/s4u/storage.hpp" +#include "simgrid/simix.hpp" +#include "src/kernel/routing/NetCard.hpp" #include "src/msg/msg_private.h" -#include "src/simix/smx_process_private.h" -#include "src/simix/smx_private.hpp" +#include "src/simix/ActorImpl.hpp" +#include "src/simix/smx_private.h" +#include "src/surf/HostImpl.hpp" #include "src/surf/cpu_interface.hpp" -#include "src/surf/host_interface.hpp" +#include "xbt/log.h" -#include "simgrid/s4u/host.hpp" -#include "simgrid/s4u/storage.hpp" +XBT_LOG_EXTERNAL_CATEGORY(surf_route); -int MSG_HOST_LEVEL; -int SD_HOST_LEVEL; -int SIMIX_HOST_LEVEL; -int ROUTING_HOST_LEVEL; -int USER_HOST_LEVEL; +std::unordered_map host_list; // FIXME: move it to Engine + +int MSG_HOST_LEVEL = -1; +int USER_HOST_LEVEL = -1; namespace simgrid { + +namespace xbt { +template class Extendable; +} + namespace s4u { simgrid::xbt::signal Host::onCreation; @@ -38,122 +43,174 @@ simgrid::xbt::signal Host::onStateChange; Host::Host(const char* name) : name_(name) { + xbt_assert(Host::by_name_or_null(name) == nullptr, "Refusing to create a second host named '%s'.", name); + host_list[name_] = this; +} + +Host::~Host() +{ + xbt_assert(currentlyDestroying_, "Please call h->destroy() instead of manually deleting it."); + + delete pimpl_; + delete pimpl_cpu; + delete pimpl_netcard; + delete mounts; } -Host::~Host() { - delete pimpl_cpu; - delete mounts; +/** @brief Fire the required callbacks and destroy the object + * + * Don't delete directly an Host, call h->destroy() instead. + * + * This is cumbersome but this is the simplest solution to ensure that the + * onDestruction() callback receives a valid object (because of the destructor + * order in a class hierarchy). + */ +void Host::destroy() +{ + if (!currentlyDestroying_) { + currentlyDestroying_ = true; + onDestruction(*this); + host_list.erase(name_); + delete this; + } } -Host *Host::by_name(std::string name) { - Host* host = Host::by_name_or_null(name.c_str()); - // TODO, raise an exception instead? - if (host == nullptr) - xbt_die("No such host: %s", name.c_str()); - return host; +Host* Host::by_name(std::string name) +{ + return host_list.at(name); // Will raise a std::out_of_range if the host does not exist +} +Host* Host::by_name_or_null(const char* name) +{ + return by_name_or_null(std::string(name)); +} +Host* Host::by_name_or_null(std::string name) +{ + if (host_list.find(name) == host_list.end()) + return nullptr; + return host_list.at(name); } Host *Host::current(){ - smx_process_t smx_proc = SIMIX_process_self(); - if (smx_proc == NULL) - xbt_die("Cannot call Host::current() from the maestro context"); - return SIMIX_process_get_host(smx_proc); + smx_actor_t smx_proc = SIMIX_process_self(); + if (smx_proc == nullptr) + xbt_die("Cannot call Host::current() from the maestro context"); + return smx_proc->host; +} + +void Host::turnOn() { + if (isOff()) { + simgrid::simix::kernelImmediate([&]{ + this->extension()->turnOn(); + this->pimpl_cpu->turnOn(); + }); + } } -void Host::turn_on() { - simgrid::simix::kernel(std::bind(SIMIX_host_on, this)); +void Host::turnOff() { + if (isOn()) { + simgrid::simix::kernelImmediate(std::bind(SIMIX_host_off, this, SIMIX_process_self())); + } } -void Host::turn_off() { - simgrid::simix::kernel(std::bind(SIMIX_host_off, this, SIMIX_process_self())); +bool Host::isOn() { + return this->pimpl_cpu->isOn(); } -bool Host::is_on() { - return this->pimpl_cpu->isOn(); +int Host::pstatesCount() const { + return this->pimpl_cpu->getNbPStates(); } -int Host::pstates_count() const { - return this->pimpl_cpu->getNbPStates(); +/** + * \brief Find a route toward another host + * + * \param dest [IN] where to + * \param route [OUT] where to store the list of links (must exist, cannot be nullptr). + * \param latency [OUT] where to store the latency experienced on the path (or nullptr if not interested) + * It is the caller responsibility to initialize latency to 0 (we add to provided route) + * \pre route!=nullptr + * + * walk through the routing components tree and find a route between hosts + * by calling each "get_route" function in each routing component. + */ +void Host::routeTo(Host* dest, std::vector* links, double* latency) +{ + simgrid::kernel::routing::NetZoneImpl::getGlobalRoute(pimpl_netcard, dest->pimpl_netcard, links, latency); + if (XBT_LOG_ISENABLED(surf_route, xbt_log_priority_debug)) { + XBT_CDEBUG(surf_route, "Route from '%s' to '%s' (latency: %f):", cname(), dest->cname(), + (latency == nullptr ? -1 : *latency)); + for (auto link : *links) + XBT_CDEBUG(surf_route, "Link %s", link->getName()); + } } -boost::unordered_map const& Host::mounted_storages() { - if (mounts == NULL) { - mounts = new boost::unordered_map (); +boost::unordered_map const& Host::mountedStorages() { + if (mounts == nullptr) { + mounts = new boost::unordered_map (); - xbt_dict_t dict = this->mounted_storages_as_dict(); + xbt_dict_t dict = this->mountedStoragesAsDict(); - xbt_dict_cursor_t cursor; - char *mountname; - char *storagename; - xbt_dict_foreach(dict, cursor, mountname, storagename) { - mounts->insert({mountname, &Storage::byName(storagename)}); - } - xbt_dict_free(&dict); - } + xbt_dict_cursor_t cursor; + char *mountname; + char *storagename; + xbt_dict_foreach(dict, cursor, mountname, storagename) { + mounts->insert({mountname, &Storage::byName(storagename)}); + } + xbt_dict_free(&dict); + } - return *mounts; + return *mounts; } /** Get the properties assigned to a host */ xbt_dict_t Host::properties() { - return simgrid::simix::kernel([&] { - simgrid::surf::Host* surf_host = this->extension(); - return surf_host->getProperties(); - }); + return simgrid::simix::kernelImmediate([&] { return this->pimpl_->getProperties(); }); +} + +/** Retrieve the property value (or nullptr if not set) */ +const char*Host::property(const char*key) { + return this->pimpl_->getProperty(key); +} +void Host::setProperty(const char*key, const char *value){ + simgrid::simix::kernelImmediate([&] { this->pimpl_->setProperty(key, value); }); } /** Get the processes attached to the host */ xbt_swag_t Host::processes() { - return simgrid::simix::kernel([&]() { - return ((smx_host_priv_t)this->extension(SIMIX_HOST_LEVEL))->process_list; + return simgrid::simix::kernelImmediate([&]() { + return this->extension()->process_list; }); } /** Get the peak power of a host */ -double Host::current_power_peak() +double Host::getPstateSpeedCurrent() { - return simgrid::simix::kernel([&] { - return this->pimpl_cpu->getCurrentPowerPeak(); + return simgrid::simix::kernelImmediate([&] { + return this->pimpl_cpu->getPstateSpeedCurrent(); }); } /** Get one power peak (in flops/s) of a host at a given pstate */ -double Host::power_peak_at(int pstate_index) +double Host::getPstateSpeed(int pstate_index) { - return simgrid::simix::kernel([&] { - return this->pimpl_cpu->getPowerPeakAt(pstate_index); + return simgrid::simix::kernelImmediate([&] { + return this->pimpl_cpu->getPstateSpeed(pstate_index); }); } /** @brief Get the speed of the cpu associated to a host */ double Host::speed() { - return pimpl_cpu->getSpeed(1.0); + return pimpl_cpu->getSpeed(1.0); } /** @brief Returns the number of core of the processor. */ -int Host::core_count() { - return pimpl_cpu->getCore(); -} - -Host* Host::by_name_or_null(const char* name) -{ - return (Host*) xbt_dict_get_or_null(host_list, name); -} - -Host* Host::by_name_or_create(const char* name) -{ - Host* host = by_name_or_null(name); - if (host == nullptr) { - host = new Host(name); - xbt_dict_set(host_list, name, host, NULL); - } - return host; +int Host::coreCount() { + return pimpl_cpu->coreCount(); } /** @brief Set the pstate at which the host should run */ -void Host::set_pstate(int pstate_index) +void Host::setPstate(int pstate_index) { - simgrid::simix::kernel(std::bind( + simgrid::simix::kernelImmediate(std::bind( &simgrid::surf::Cpu::setPState, pimpl_cpu, pstate_index )); } @@ -163,30 +220,14 @@ int Host::pstate() return pimpl_cpu->getPState(); } -void Host::get_parameters(vm_params_t params) -{ - simgrid::simix::kernel([&]() { - this->extension()->getParams(params); - }); -} - -void Host::set_parameters(vm_params_t params) -{ - simgrid::simix::kernel([&]() { - this->extension()->setParams(params); - }); -} - /** * \ingroup simix_storage_management * \brief Returns the list of storages mounted on an host. * \return a dict containing all storages mounted on the host */ -xbt_dict_t Host::mounted_storages_as_dict() +xbt_dict_t Host::mountedStoragesAsDict() { - return simgrid::simix::kernel([&] { - return this->extension()->getMountedStorageList(); - }); + return simgrid::simix::kernelImmediate([&] { return this->pimpl_->getMountedStorageList(); }); } /** @@ -194,11 +235,9 @@ xbt_dict_t Host::mounted_storages_as_dict() * \brief Returns the list of storages attached to an host. * \return a dict containing all storages attached to the host */ -xbt_dynar_t Host::attached_storages() +xbt_dynar_t Host::attachedStorages() { - return simgrid::simix::kernel([&] { - return this->extension()->getAttachedStorageList(); - }); + return simgrid::simix::kernelImmediate([&] { return this->pimpl_->getAttachedStorageList(); }); } } // namespace simgrid