#include "simgrid/s4u/host.hpp"
#include "simgrid/s4u/storage.hpp"
+XBT_LOG_EXTERNAL_CATEGORY(surf_route);
+
+std::unordered_map<std::string, simgrid::s4u::Host*> host_list; // FIXME: move it to Engine
+
int MSG_HOST_LEVEL = -1;
int USER_HOST_LEVEL = -1;
Host::Host(const char* name)
: name_(name)
{
+ xbt_assert(sg_host_by_name(name) == nullptr, "Refusing to create a second host named '%s'.", name);
+ host_list[name_] = this;
}
-Host::~Host() {
+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::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;
+/** @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)
+{
+ 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 (Host*) xbt_dict_get_or_null(host_list, name);
+ return by_name_or_null(std::string(name));
}
-Host* Host::by_name_or_create(const char* name)
+Host* Host::by_name_or_null(std::string name)
{
- Host* host = by_name_or_null(name);
- if (host == nullptr) {
- host = new Host(name);
- xbt_dict_set(host_list, name, host, nullptr);
- }
- return host;
+ if (host_list.find(name) == host_list.end())
+ return nullptr;
+ return host_list.at(name);
}
Host *Host::current(){
if (isOff()) {
simgrid::simix::kernelImmediate([&]{
this->extension<simgrid::simix::Host>()->turnOn();
- this->extension<simgrid::surf::HostImpl>()->turnOn();
+ this->pimpl_cpu->turnOn();
});
}
}
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<Link*>* links, double* latency)
+{
+ simgrid::kernel::routing::AsImpl::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<std::string, Storage*> const& Host::mountedStorages() {
if (mounts == nullptr) {
mounts = new boost::unordered_map<std::string, Storage*> ();
/** Get the properties assigned to a host */
xbt_dict_t Host::properties() {
- return simgrid::simix::kernelImmediate([&] {
- simgrid::surf::HostImpl* surf_host = this->extension<simgrid::surf::HostImpl>();
- 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) {
- simgrid::surf::HostImpl* surf_host = this->extension<simgrid::surf::HostImpl>();
- return surf_host->getProperty(key);
+ return this->pimpl_->getProperty(key);
}
void Host::setProperty(const char*key, const char *value){
- simgrid::simix::kernelImmediate([&] {
- simgrid::surf::HostImpl* surf_host = this->extension<simgrid::surf::HostImpl>();
- surf_host->setProperty(key,value);
- });
+ simgrid::simix::kernelImmediate([&] { this->pimpl_->setProperty(key, value); });
}
/** Get the processes attached to the host */
return pimpl_cpu->getSpeed(1.0);
}
/** @brief Returns the number of core of the processor. */
-int Host::coresCount() {
- return pimpl_cpu->getCoreCount();
+int Host::coreCount() {
+ return pimpl_cpu->coreCount();
}
/** @brief Set the pstate at which the host should run */
return pimpl_cpu->getPState();
}
-void Host::parameters(vm_params_t params)
-{
- simgrid::simix::kernelImmediate([&]() {
- this->extension<simgrid::surf::HostImpl>()->getParams(params);
- });
-}
-
-void Host::setParameters(vm_params_t params)
-{
- simgrid::simix::kernelImmediate([&]() {
- this->extension<simgrid::surf::HostImpl>()->setParams(params);
- });
-}
-
/**
* \ingroup simix_storage_management
* \brief Returns the list of storages mounted on an host.
*/
xbt_dict_t Host::mountedStoragesAsDict()
{
- return simgrid::simix::kernelImmediate([&] {
- return this->extension<simgrid::surf::HostImpl>()->getMountedStorageList();
- });
+ return simgrid::simix::kernelImmediate([&] { return this->pimpl_->getMountedStorageList(); });
}
/**
*/
xbt_dynar_t Host::attachedStorages()
{
- return simgrid::simix::kernelImmediate([&] {
- return this->extension<simgrid::surf::HostImpl>()->getAttachedStorageList();
- });
+ return simgrid::simix::kernelImmediate([&] { return this->pimpl_->getAttachedStorageList(); });
}
} // namespace simgrid