+/* Copyright (c) 2013-2020. 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 "network_constant.hpp"
-#include "surf/random_mgr.h"
+#include "src/surf/surf_interface.hpp"
+#include "surf/surf.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-static random_data_t random_latency = NULL;
-static int host_number_int = 0;
-
-static void netcste_count_hosts(sg_platf_host_cbarg_t h) {
- host_number_int++;
-}
/*********
* Model *
*********/
void surf_network_model_init_Constant()
{
- xbt_assert(surf_network_model == NULL);
- surf_network_model = new NetworkConstantModel();
-
- if (!random_latency)
- random_latency = random_new(RAND, 100, 0.0, 1.0, .125, .034);
+ xbt_assert(surf_network_model == nullptr);
+ surf_network_model = new simgrid::kernel::resource::NetworkConstantModel();
+}
- //FIXME:sg_platf_host_add_cb(netcste_count_hosts);
+namespace simgrid {
+namespace kernel {
+namespace resource {
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
+NetworkConstantModel::NetworkConstantModel() : NetworkModel(Model::UpdateAlgo::FULL)
+{
+ all_existing_models.push_back(this);
+}
- //FIXME:routing_model_create(NULL);
+LinkImpl* NetworkConstantModel::create_link(const std::string& name, const std::vector<double>& /*bandwidth*/,
+ double /*latency*/, s4u::Link::SharingPolicy)
+{
+ xbt_die("Refusing to create the link %s: there is no link in the Constant network model. "
+ "Please remove any link from your platform (and switch to routing='None')",
+ name.c_str());
+ return nullptr;
}
-double NetworkConstantModel::shareResources(double now)
+double NetworkConstantModel::next_occurring_event(double /*now*/)
{
- void *_action = NULL;
- NetworkConstantActionLmmPtr action = NULL;
double min = -1.0;
-
- xbt_swag_foreach(_action, p_runningActionSet) {
- action = (NetworkConstantActionLmmPtr) _action;
- if (action->m_latency > 0) {
- if (min < 0)
- min = action->m_latency;
- else if (action->m_latency < min)
- min = action->m_latency;
- }
+ for (kernel::resource::Action const& action : *get_started_action_set()) {
+ const auto& net_action = static_cast<const NetworkConstantAction&>(action);
+ if (net_action.latency_ > 0 && (min < 0 || net_action.latency_ < min))
+ min = net_action.latency_;
}
-
return min;
}
-void NetworkConstantModel::updateActionsState(double now, double delta)
+void NetworkConstantModel::update_actions_state(double /*now*/, double delta)
{
- void *_action, *_next_action;
- NetworkConstantActionLmmPtr action = NULL;
-
- xbt_swag_foreach_safe(_action, _next_action, p_runningActionSet) {
- action = (NetworkConstantActionLmmPtr) _action;
- if (action->m_latency > 0) {
- if (action->m_latency > delta) {
- double_update(&(action->m_latency), delta);
+ for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
+ auto& action = static_cast<NetworkConstantAction&>(*it);
+ ++it; // increment iterator here since the following calls to action.finish() may invalidate it
+ if (action.latency_ > 0) {
+ if (action.latency_ > delta) {
+ double_update(&action.latency_, delta, sg_surf_precision);
} else {
- action->m_latency = 0.0;
+ action.latency_ = 0.0;
}
}
- double_update(&(action->m_remains),
- action->m_cost * delta / action->m_latInit);
- if (action->m_maxDuration != NO_MAX_DURATION)
- double_update(&(action->m_maxDuration), delta);
-
- if (action->m_remains <= 0) {
- action->m_finish = surf_get_clock();
- action->setState(SURF_ACTION_DONE);
- } else if ((action->m_maxDuration != NO_MAX_DURATION)
- && (action->m_maxDuration <= 0)) {
- action->m_finish = surf_get_clock();
- action->setState(SURF_ACTION_DONE);
+ action.update_remains(action.get_cost() * delta / action.initial_latency_);
+ action.update_max_duration(delta);
+
+ if ((action.get_remains_no_update() <= 0) ||
+ ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
+ action.finish(Action::State::FINISHED);
}
}
}
-NetworkCm02ActionLmmPtr NetworkConstantModel::communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
- double size, double rate)
+Action* NetworkConstantModel::communicate(s4u::Host* src, s4u::Host* dst, double size, double)
{
- char *src_name = src->p_name;
- char *dst_name = dst->p_name;
-
- XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
- NetworkConstantActionLmmPtr action = new NetworkConstantActionLmm(this, sg_latency_factor);
- XBT_OUT();
+ auto* action = new NetworkConstantAction(this, size, sg_latency_factor);
+ s4u::Link::on_communicate(*action, src, dst);
return action;
}
-/************
- * Resource *
- ************/
-bool NetworkConstantLinkLmm::isUsed()
-{
- return 0;
-}
-
-void NetworkConstantLinkLmm::updateState(tmgr_trace_event_t event_type,
- double value, double time)
-{
- DIE_IMPOSSIBLE;
-}
-
-double NetworkConstantLinkLmm::getBandwidth()
-{
- DIE_IMPOSSIBLE;
- return -1.0; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
-
-double NetworkConstantLinkLmm::getLatency()
-{
- DIE_IMPOSSIBLE;
- return -1.0; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
-
-bool NetworkConstantLinkLmm::isShared()
-{
- DIE_IMPOSSIBLE;
- return -1; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
-
/**********
* Action *
**********/
-
-int NetworkConstantActionLmm::unref()
-{
- m_refcount--;
- if (!m_refcount) {
- xbt_swag_remove(static_cast<ActionPtr>(this), p_stateSet);
- delete this;
- return 1;
- }
- return 0;
-}
-
-void NetworkConstantActionLmm::cancel()
+NetworkConstantAction::NetworkConstantAction(NetworkConstantModel* model_, double size, double latency)
+ : NetworkAction(model_, size, false), initial_latency_(latency)
{
- return;
+ latency_ = latency;
+ if (latency_ <= 0.0)
+ NetworkConstantAction::set_state(Action::State::FINISHED);
}
-#ifdef HAVE_TRACING
-void NetworkConstantActionLmm::setCategory(const char *category)
-{
- //ignore completely the categories in constant model, they are not traced
-}
-#endif
-
-void NetworkConstantActionLmm::suspend()
-{
- m_suspended = true;
-}
-
-void NetworkConstantActionLmm::resume()
-{
- if (m_suspended)
- m_suspended = false;
-}
-
-void NetworkConstantActionLmm::recycle()
-{
- return;
-}
+NetworkConstantAction::~NetworkConstantAction() = default;
-bool NetworkConstantActionLmm::isSuspended()
+void NetworkConstantAction::update_remains_lazy(double /*now*/)
{
- return m_suspended;
+ THROW_IMPOSSIBLE;
}
+} // namespace resource
+} // namespace kernel
+} // namespace simgrid