-/* Copyright (c) 2013-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2013-2021. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <algorithm>
+#include "simgrid/Exception.hpp"
+#include "simgrid/s4u/Engine.hpp"
#include "simgrid/s4u/Link.hpp"
#include "simgrid/sg_config.hpp"
#include "simgrid/simix.hpp"
-#include "src/kernel/lmm/maxmin.hpp"
+#include "src/surf/SplitDuplexLinkImpl.hpp"
#include "src/surf/network_interface.hpp"
+#include "src/surf/network_wifi.hpp"
#include "xbt/log.h"
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_link, s4u, "Logging specific to the S4U links");
+#include "xbt/parse_units.hpp"
namespace simgrid {
+
+template class xbt::Extendable<s4u::Link>;
+
namespace s4u {
-simgrid::xbt::signal<void(Link&)> Link::on_creation;
-simgrid::xbt::signal<void(Link&)> Link::on_destruction;
-simgrid::xbt::signal<void(Link&)> Link::on_state_change;
-simgrid::xbt::signal<void(Link&)> Link::on_bandwidth_change;
-simgrid::xbt::signal<void(kernel::resource::NetworkAction*, Host* src, Host* dst)> Link::on_communicate;
-simgrid::xbt::signal<void(kernel::resource::NetworkAction*)> Link::on_communication_state_change;
+xbt::signal<void(Link&)> Link::on_creation;
+xbt::signal<void(Link const&)> Link::on_destruction;
+xbt::signal<void(Link const&)> Link::on_state_change;
+xbt::signal<void(Link const&)> Link::on_bandwidth_change;
+xbt::signal<void(kernel::resource::NetworkAction&)> Link::on_communicate;
+xbt::signal<void(kernel::resource::NetworkAction&, kernel::resource::Action::State)>
+ Link::on_communication_state_change;
+
+Link* Link::by_name(const std::string& name)
+{
+ return Engine::get_instance()->link_by_name(name);
+}
-Link* Link::by_name(const char* name)
+kernel::resource::LinkImpl* Link::get_impl() const
{
- kernel::resource::LinkImpl* res = kernel::resource::LinkImpl::byName(name);
- if (res == nullptr)
- return nullptr;
- return &res->piface_;
+ xbt_assert(
+ get_sharing_policy() != SharingPolicy::SPLITDUPLEX,
+ "Impossible to get a LinkImpl* from a Split-Duplex link. You should call this method to each UP/DOWN member");
+ return dynamic_cast<kernel::resource::LinkImpl*>(pimpl_);
}
+
+Link* Link::by_name_or_null(const std::string& name)
+{
+ return Engine::get_instance()->link_by_name_or_null(name);
+}
+
const std::string& Link::get_name() const
{
return this->pimpl_->get_name();
{
return this->pimpl_->get_cname();
}
-const char* Link::name()
+bool Link::is_used() const
+{
+ return this->pimpl_->is_used();
+}
+
+bool Link::is_shared() const
{
- return get_cname();
+ return this->pimpl_->get_sharing_policy() != SharingPolicy::FATPIPE;
}
-bool Link::is_used()
+
+double Link::get_latency() const
{
- return this->pimpl_->is_used();
+ return this->pimpl_->get_latency();
+}
+
+Link* Link::set_latency(double value)
+{
+ kernel::actor::simcall([this, value] { pimpl_->set_latency(value); });
+ return this;
+}
+
+Link* Link::set_latency(const std::string& value)
+{
+ double d_value = 0.0;
+ try {
+ d_value = xbt_parse_get_time("", 0, value, "");
+ } catch (const simgrid::ParseError&) {
+ throw std::invalid_argument(std::string("Impossible to set latency for link: ") + get_name() +
+ std::string(". Invalid value: ") + value);
+ }
+ return set_latency(d_value);
}
-double Link::get_latency()
+double Link::get_bandwidth() const
{
- return this->pimpl_->latency();
+ return this->pimpl_->get_bandwidth();
}
-double Link::get_bandwidth()
+Link* Link::set_bandwidth(double value)
{
- return this->pimpl_->bandwidth();
+ kernel::actor::simcall([this, value] { pimpl_->set_bandwidth(value); });
+ return this;
}
-Link::SharingPolicy Link::get_sharing_policy()
+Link* Link::set_sharing_policy(Link::SharingPolicy policy)
{
- return this->pimpl_->sharingPolicy();
+ if (policy == SharingPolicy::SPLITDUPLEX)
+ throw std::invalid_argument(std::string("Impossible to set split-duplex for the link: ") + get_name() +
+ std::string(". Use NetZone::create_split_duplex_link."));
+
+ kernel::actor::simcall([this, policy] { pimpl_->set_sharing_policy(policy); });
+ return this;
+}
+Link::SharingPolicy Link::get_sharing_policy() const
+{
+ return this->pimpl_->get_sharing_policy();
+}
+
+void Link::set_host_wifi_rate(const s4u::Host* host, int level) const
+{
+ auto* wlink = dynamic_cast<kernel::resource::NetworkWifiLink*>(pimpl_);
+ xbt_assert(wlink != nullptr, "Link %s does not seem to be a wifi link.", get_cname());
+ wlink->set_host_rate(host, level);
}
-double Link::get_usage()
+Link* Link::set_concurrency_limit(int limit)
+{
+ kernel::actor::simcall([this, limit] { pimpl_->set_concurrency_limit(limit); });
+ return this;
+}
+
+double Link::get_usage() const
{
return this->pimpl_->get_constraint()->get_usage();
}
void Link::turn_on()
{
- simgrid::simix::simcall([this]() { this->pimpl_->turn_on(); });
+ kernel::actor::simcall([this]() { this->pimpl_->turn_on(); });
}
void Link::turn_off()
{
- simgrid::simix::simcall([this]() { this->pimpl_->turn_off(); });
+ kernel::actor::simcall([this]() { this->pimpl_->turn_off(); });
}
-
-void* Link::get_data()
+Link* Link::seal()
{
- return this->pimpl_->getData();
+ kernel::actor::simcall([this]() { this->pimpl_->seal(); });
+ return this;
}
-void Link::set_data(void* d)
+
+bool Link::is_on() const
{
- simgrid::simix::simcall([this, d]() { this->pimpl_->setData(d); });
+ return this->pimpl_->is_on();
}
-void Link::set_state_trace(tmgr_trace_t trace)
+Link* Link::set_state_profile(kernel::profile::Profile* profile)
{
- simgrid::simix::simcall([this, trace]() { this->pimpl_->setStateTrace(trace); });
+ xbt_assert(not pimpl_->is_sealed(), "Cannot set a state profile once the Link is sealed");
+ kernel::actor::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
+ return this;
}
-void Link::set_bandwidth_trace(tmgr_trace_t trace)
+
+Link* Link::set_bandwidth_profile(kernel::profile::Profile* profile)
{
- simgrid::simix::simcall([this, trace]() { this->pimpl_->setBandwidthTrace(trace); });
+ xbt_assert(not pimpl_->is_sealed(), "Cannot set a bandwidth profile once the Link is sealed");
+ kernel::actor::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
+ return this;
}
-void Link::set_latency_trace(tmgr_trace_t trace)
+
+Link* Link::set_latency_profile(kernel::profile::Profile* profile)
{
- simgrid::simix::simcall([this, trace]() { this->pimpl_->setLatencyTrace(trace); });
+ xbt_assert(not pimpl_->is_sealed(), "Cannot set a latency profile once the Link is sealed");
+ kernel::actor::simcall([this, profile]() { this->pimpl_->set_latency_profile(profile); });
+ return this;
}
-const char* Link::get_property(const char* key)
+const char* Link::get_property(const std::string& key) const
{
return this->pimpl_->get_property(key);
}
-void Link::set_property(std::string key, std::string value)
+Link* Link::set_property(const std::string& key, const std::string& value)
+{
+ kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, value); });
+ return this;
+}
+
+const std::unordered_map<std::string, std::string>* Link::get_properties() const
+{
+ return this->pimpl_->get_properties();
+}
+
+Link* Link::set_properties(const std::unordered_map<std::string, std::string>& properties)
+{
+ kernel::actor::simcall([this, &properties] { this->pimpl_->set_properties(properties); });
+ return this;
+}
+
+Link* SplitDuplexLink::get_link_up() const
{
- simgrid::simix::simcall([this, key, value] { this->pimpl_->set_property(key, value); });
+ return dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_)->get_link_up();
}
+
+Link* SplitDuplexLink::get_link_down() const
+{
+ return dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_)->get_link_down();
+}
+
+SplitDuplexLink* SplitDuplexLink::by_name(const std::string& name)
+{
+ return Engine::get_instance()->split_duplex_link_by_name(name);
+}
+
} // namespace s4u
} // namespace simgrid
/* **************************** Public C interface *************************** */
-const char* sg_link_name(sg_link_t link)
+const char* sg_link_get_name(const_sg_link_t link)
{
return link->get_cname();
}
+
+const char* sg_link_name(const_sg_link_t link) // XBT_ATTRIB_DEPRECATED_v330
+{
+ return sg_link_get_name(link);
+}
+
sg_link_t sg_link_by_name(const char* name)
{
return simgrid::s4u::Link::by_name(name);
}
-int sg_link_is_shared(sg_link_t link)
+int sg_link_is_shared(const_sg_link_t link)
{
- return (int)link->get_sharing_policy();
+ return link->is_shared();
}
-double sg_link_bandwidth(sg_link_t link)
+
+double sg_link_get_bandwidth(const_sg_link_t link)
{
return link->get_bandwidth();
}
-double sg_link_latency(sg_link_t link)
+
+void sg_link_set_bandwidth(sg_link_t link, double value)
+{
+ link->set_bandwidth(value);
+}
+
+double sg_link_bandwidth(const_sg_link_t link) // XBT_ATTRIB_DEPRECATED_v330
+{
+ return sg_link_get_bandwidth(link);
+}
+
+void sg_link_bandwidth_set(sg_link_t link, double value) // XBT_ATTRIB_DEPRECATED_v330
+{
+ sg_link_set_bandwidth(link, value);
+}
+
+double sg_link_get_latency(const_sg_link_t link)
{
return link->get_latency();
}
-void* sg_link_data(sg_link_t link)
+
+void sg_link_set_latency(sg_link_t link, double value)
+{
+ link->set_latency(value);
+}
+
+double sg_link_latency(const_sg_link_t link) // XBT_ATTRIB_DEPRECATED_v330
+{
+ return sg_link_get_latency(link);
+}
+
+void sg_link_latency_set(sg_link_t link, double value) // XBT_ATTRIB_DEPRECATED_v330
+{
+ sg_link_set_latency(link, value);
+}
+
+void* sg_link_get_data(const_sg_link_t link)
{
return link->get_data();
}
-void sg_link_data_set(sg_link_t link, void* data)
+
+void sg_link_set_data(sg_link_t link, void* data)
{
link->set_data(data);
}
-int sg_link_count()
+
+void* sg_link_data(const_sg_link_t link) // XBT_ATTRIB_DEPRECATED_v330
+{
+ return sg_link_get_data(link);
+}
+
+void sg_link_data_set(sg_link_t link, void* data) // XBT_ATTRIB_DEPRECATED_v330
+{
+ sg_link_set_data(link, data);
+}
+
+size_t sg_link_count()
{
- return simgrid::kernel::resource::LinkImpl::linksCount();
+ return simgrid::s4u::Engine::get_instance()->get_link_count();
}
+
sg_link_t* sg_link_list()
{
- simgrid::kernel::resource::LinkImpl** list = simgrid::kernel::resource::LinkImpl::linksList();
- sg_link_t* res = (sg_link_t*)list; // Use the same memory area
+ std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
- int size = sg_link_count();
- for (int i = 0; i < size; i++)
- res[i] = &(list[i]->piface_); // Convert each entry into its interface
+ auto* res = xbt_new(sg_link_t, links.size());
+ std::copy(begin(links), end(links), res);
return res;
}
-void sg_link_exit()
-{
- simgrid::kernel::resource::LinkImpl::linksExit();
-}
