-/* Copyright (c) 2013-2014. The SimGrid Team.
+/* Copyright (c) 2013-2015. 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"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-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();
-
- sg_platf_host_add_cb(netcste_count_hosts);
-
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
+ xbt_assert(surf_network_model == nullptr);
+ surf_network_model = new simgrid::surf::NetworkConstantModel();
+ all_existing_models->push_back(surf_network_model);
}
-double NetworkConstantModel::shareResources(double /*now*/)
-{
- NetworkConstantActionPtr action = NULL;
- double min = -1.0;
+namespace simgrid {
+ namespace surf {
+ Link* NetworkConstantModel::createLink(const char* name, double bw, double lat, e_surf_link_sharing_policy_t policy)
+ {
- ActionListPtr actionSet = getRunningActionSet();
- for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end())
- ; it != itend ; ++it) {
- action = static_cast<NetworkConstantActionPtr>(&*it);
- if (action->m_latency > 0) {
- if (min < 0)
- min = action->m_latency;
- else if (action->m_latency < min)
- min = action->m_latency;
+ 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);
+ return nullptr;
}
- }
- return min;
-}
+ double NetworkConstantModel::nextOccuringEvent(double /*now*/)
+ {
+ double min = -1.0;
-void NetworkConstantModel::updateActionsState(double /*now*/, double delta)
-{
- NetworkConstantActionPtr action = NULL;
- ActionListPtr actionSet = getRunningActionSet();
- for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
- ; it != itend ; it=itNext) {
- ++itNext;
- action = static_cast<NetworkConstantActionPtr>(&*it);
- if (action->m_latency > 0) {
- if (action->m_latency > delta) {
- double_update(&(action->m_latency), delta);
- } else {
- action->m_latency = 0.0;
+ ActionList *actionSet = getRunningActionSet();
+ for(auto it(actionSet->begin()), itend(actionSet->end()) ; it != itend ; ++it) {
+ NetworkConstantAction *action = static_cast<NetworkConstantAction*>(&*it);
+ if (action->latency_ > 0 && (min < 0 || action->latency_ < min))
+ min = action->latency_;
}
- }
- action->updateRemains(action->getCost() * delta / action->m_latInit);
- if (action->getMaxDuration() != NO_MAX_DURATION)
- action->updateMaxDuration(delta);
- if (action->getRemainsNoUpdate() <= 0) {
- action->finish();
- action->setState(SURF_ACTION_DONE);
- } else if ((action->getMaxDuration() != NO_MAX_DURATION)
- && (action->getMaxDuration() <= 0)) {
- action->finish();
- action->setState(SURF_ACTION_DONE);
+ return min;
}
- }
-}
-
-ActionPtr NetworkConstantModel::communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
- double size, double rate)
-{
- char *src_name = src->getName();
- char *dst_name = dst->getName();
- XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
- NetworkConstantActionPtr action = new NetworkConstantAction(this, size, sg_latency_factor);
- XBT_OUT();
-
- surf_callback_emit(networkCommunicateCallbacks, action, src, dst, size, rate);
- return action;
-}
-
-/************
- * Resource *
- ************/
-bool NetworkConstantLink::isUsed()
-{
- return 0;
-}
-
-void NetworkConstantLink::updateState(tmgr_trace_event_t /*event_type*/,
- double /*value*/, double /*time*/)
-{
- DIE_IMPOSSIBLE;
-}
-
-double NetworkConstantLink::getBandwidth()
-{
- DIE_IMPOSSIBLE;
- return -1.0; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
+ void NetworkConstantModel::updateActionsState(double /*now*/, double delta)
+ {
+ NetworkConstantAction *action = nullptr;
+ ActionList *actionSet = getRunningActionSet();
+ for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
+ ; it != itend ; it=itNext) {
+ ++itNext;
+ action = static_cast<NetworkConstantAction*>(&*it);
+ if (action->latency_ > 0) {
+ if (action->latency_ > delta) {
+ double_update(&(action->latency_), delta, sg_surf_precision);
+ } else {
+ action->latency_ = 0.0;
+ }
+ }
+ action->updateRemains(action->getCost() * delta / action->initialLatency_);
+ if (action->getMaxDuration() != NO_MAX_DURATION)
+ action->updateMaxDuration(delta);
+
+ if (action->getRemainsNoUpdate() <= 0) {
+ action->finish();
+ action->setState(Action::State::done);
+ } else if ((action->getMaxDuration() != NO_MAX_DURATION)
+ && (action->getMaxDuration() <= 0)) {
+ action->finish();
+ action->setState(Action::State::done);
+ }
+ }
+ }
-double NetworkConstantLink::getLatency()
-{
- DIE_IMPOSSIBLE;
- return -1.0; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
+ Action* NetworkConstantModel::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
+ {
+ NetworkConstantAction *action = new NetworkConstantAction(this, size, sg_latency_factor);
-bool NetworkConstantLink::isShared()
-{
- DIE_IMPOSSIBLE;
- return -1; /* useless since DIE actually abort(), but eclipse prefer to have a useless and harmless return */
-}
+ Link::onCommunicate(action, src, dst);
+ return action;
+ }
-/**********
- * Action *
- **********/
+ /**********
+ * Action *
+ **********/
+ NetworkConstantAction::NetworkConstantAction(NetworkConstantModel *model_, double size, double latency)
+ : NetworkAction(model_, size, false)
+ , initialLatency_(latency)
+ {
+ latency_ = latency;
+ if (latency_ <= 0.0) {
+ stateSet_ = model_->getDoneActionSet();
+ stateSet_->push_back(*this);
+ }
+ };
-int NetworkConstantAction::unref()
-{
- m_refcount--;
- if (!m_refcount) {
- if (actionHook::is_linked())
- p_stateSet->erase(p_stateSet->iterator_to(*this));
- delete this;
- return 1;
+ NetworkConstantAction::~NetworkConstantAction() = default;
}
- return 0;
-}
-
-void NetworkConstantAction::cancel()
-{
- return;
-}
-
-#ifdef HAVE_TRACING
-void NetworkConstantAction::setCategory(const char */*category*/)
-{
- //ignore completely the categories in constant model, they are not traced
}
-#endif
-
-void NetworkConstantAction::suspend()
-{
- m_suspended = true;
-}
-
-void NetworkConstantAction::resume()
-{
- if (m_suspended)
- m_suspended = false;
-}
-
-void NetworkConstantAction::recycle()
-{
- return;
-}
-
-bool NetworkConstantAction::isSuspended()
-{
- return m_suspended;
-}
-
