X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/149c63f36e15b8500b1e826bda5138318ff7ba2b..ea74f5d95928a521a588737e81f1de94eef25d19:/src/s4u/s4u_Link.cpp

diff --git a/src/s4u/s4u_Link.cpp b/src/s4u/s4u_Link.cpp
index 4942e65ee6..af8ae86a95 100644
--- a/src/s4u/s4u_Link.cpp
+++ b/src/s4u/s4u_Link.cpp
@@ -1,17 +1,18 @@
-/* Copyright (c) 2013-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2013-2022. 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/simix.hpp>
+#include <xbt/config.hpp>
+#include <xbt/parse_units.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/network_interface.hpp"
-#include "xbt/log.h"
+#include "src/kernel/resource/LinkImpl.hpp"
+#include "src/kernel/resource/SplitDuplexLinkImpl.hpp"
+#include "src/kernel/resource/WifiLinkImpl.hpp"
 
 namespace simgrid {
 
@@ -23,7 +24,6 @@ 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&, Host* src, Host* dst)> Link::on_communicate;
 xbt::signal<void(kernel::resource::NetworkAction&, kernel::resource::Action::State)>
     Link::on_communication_state_change;
 
@@ -32,6 +32,16 @@ Link* Link::by_name(const std::string& name)
   return Engine::get_instance()->link_by_name(name);
 }
 
+kernel::resource::StandardLinkImpl* Link::get_impl() const
+{
+  auto* link_impl = dynamic_cast<kernel::resource::StandardLinkImpl*>(pimpl_);
+  xbt_assert(link_impl != nullptr, "Impossible to get a LinkImpl* from link. %s.",
+             (get_sharing_policy() == SharingPolicy::SPLITDUPLEX
+                  ? "For a Split-Duplex link, you should call this method to each UP/DOWN member"
+                  : "Please report this bug"));
+  return link_impl;
+}
+
 Link* Link::by_name_or_null(const std::string& name)
 {
   return Engine::get_instance()->link_by_name_or_null(name);
@@ -50,21 +60,72 @@ bool Link::is_used() const
   return this->pimpl_->is_used();
 }
 
+bool Link::is_shared() const
+{
+  return this->pimpl_->get_sharing_policy() != SharingPolicy::FATPIPE;
+}
+
 double Link::get_latency() const
 {
   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_bandwidth() const
 {
   return this->pimpl_->get_bandwidth();
 }
 
+Link* Link::set_bandwidth(double value)
+{
+  kernel::actor::simcall([this, value] { pimpl_->set_bandwidth(value); });
+  return this;
+}
+
+Link* Link::set_sharing_policy(Link::SharingPolicy policy, const NonLinearResourceCb& cb)
+{
+  if (policy == SharingPolicy::SPLITDUPLEX || policy == SharingPolicy::WIFI)
+    throw std::invalid_argument(std::string("Impossible to set wifi or split-duplex for the link: ") + get_name() +
+                                std::string(". Use appropriate create function in NetZone."));
+
+  kernel::actor::simcall([this, policy, &cb] { pimpl_->set_sharing_policy(policy, cb); });
+  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::WifiLinkImpl*>(pimpl_);
+  xbt_assert(wlink != nullptr, "Link %s does not seem to be a wifi link.", get_cname());
+  wlink->set_host_rate(host, level);
+}
+
+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();
@@ -72,11 +133,17 @@ double Link::get_usage() const
 
 void Link::turn_on()
 {
-  simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_on(); });
+  kernel::actor::simcall([this]() { this->pimpl_->turn_on(); });
 }
 void Link::turn_off()
 {
-  simgrid::kernel::actor::simcall([this]() { this->pimpl_->turn_off(); });
+  kernel::actor::simcall([this]() { this->pimpl_->turn_off(); });
+}
+Link* Link::seal()
+{
+  kernel::actor::simcall([this]() { this->pimpl_->seal(); });
+  s4u::Link::on_creation(*this); // notify the signal
+  return this;
 }
 
 bool Link::is_on() const
@@ -84,36 +151,77 @@ bool Link::is_on() const
   return this->pimpl_->is_on();
 }
 
-void Link::set_state_profile(kernel::profile::Profile* profile)
+Link* Link::set_state_profile(kernel::profile::Profile* profile)
 {
-  simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_state_profile(profile); });
+  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_profile(kernel::profile::Profile* profile)
+
+Link* Link::set_bandwidth_profile(kernel::profile::Profile* profile)
 {
-  simgrid::kernel::actor::simcall([this, profile]() { this->pimpl_->set_bandwidth_profile(profile); });
+  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_profile(kernel::profile::Profile* trace)
+
+Link* Link::set_latency_profile(kernel::profile::Profile* profile)
 {
-  simgrid::kernel::actor::simcall([this, trace]() { this->pimpl_->set_latency_profile(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 std::string& key) const
 {
   return this->pimpl_->get_property(key);
 }
-void Link::set_property(const std::string& key, const std::string& value)
+Link* Link::set_property(const std::string& key, const std::string& value)
 {
-  simgrid::kernel::actor::simcall([this, &key, &value] { this->pimpl_->set_property(key, 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
+{
+  const auto* pimpl = dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_);
+  xbt_assert(pimpl, "Requesting link_up from a non split-duplex link: %s", get_cname());
+  return pimpl->get_link_up();
+}
+
+Link* SplitDuplexLink::get_link_down() const
+{
+  const auto* pimpl = dynamic_cast<kernel::resource::SplitDuplexLinkImpl*>(pimpl_);
+  xbt_assert(pimpl, "Requesting link_down from a non split-duplex link: %s", get_cname());
+  return 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(const_sg_link_t link)
+const char* sg_link_get_name(const_sg_link_t link)
 {
   return link->get_cname();
 }
+
 sg_link_t sg_link_by_name(const char* name)
 {
   return simgrid::s4u::Link::by_name(name);
@@ -121,25 +229,40 @@ sg_link_t sg_link_by_name(const char* name)
 
 int sg_link_is_shared(const_sg_link_t link)
 {
-  return (int)link->get_sharing_policy();
+  return link->is_shared();
 }
-double sg_link_bandwidth(const_sg_link_t link)
+
+double sg_link_get_bandwidth(const_sg_link_t link)
 {
   return link->get_bandwidth();
 }
-double sg_link_latency(const_sg_link_t link)
+
+void sg_link_set_bandwidth(sg_link_t link, double value)
+{
+  link->set_bandwidth(value);
+}
+
+double sg_link_get_latency(const_sg_link_t link)
 {
   return link->get_latency();
 }
-void* sg_link_data(const_sg_link_t link)
+
+void sg_link_set_latency(sg_link_t link, double value)
+{
+  link->set_latency(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()
+
+size_t sg_link_count()
 {
   return simgrid::s4u::Engine::get_instance()->get_link_count();
 }
@@ -148,8 +271,8 @@ sg_link_t* sg_link_list()
 {
   std::vector<simgrid::s4u::Link*> links = simgrid::s4u::Engine::get_instance()->get_all_links();
 
-  sg_link_t* res = xbt_new(sg_link_t, links.size());
-  memcpy(res, links.data(), sizeof(sg_link_t) * links.size());
+  auto* res = xbt_new(sg_link_t, links.size());
+  std::copy(begin(links), end(links), res);
 
   return res;
 }