1 /* Copyright (c) 2013-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "network_constant.hpp"
9 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
14 void surf_network_model_init_Constant()
16 xbt_assert(surf_network_model == nullptr);
17 surf_network_model = new simgrid::surf::NetworkConstantModel();
18 xbt_dynar_push(all_existing_models, &surf_network_model);
20 routing_model_create(nullptr);
26 NetworkConstantModel::~NetworkConstantModel() {}
28 Link* NetworkConstantModel::createLink(const char *name, double bw, double lat, e_surf_link_sharing_policy_t policy,
29 xbt_dict_t properties) {
31 xbt_die("Refusing to create the link %s: there is no link in the Constant network model. "
32 "Please remove any link from your platform (and switch to routing='None')", name);
36 double NetworkConstantModel::next_occuring_event(double /*now*/)
38 NetworkConstantAction *action = nullptr;
41 ActionList *actionSet = getRunningActionSet();
42 for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end())
43 ; it != itend ; ++it) {
44 action = static_cast<NetworkConstantAction*>(&*it);
45 if (action->latency_ > 0 && (min < 0 || action->latency_ < min))
46 min = action->latency_;
52 void NetworkConstantModel::updateActionsState(double /*now*/, double delta)
54 NetworkConstantAction *action = nullptr;
55 ActionList *actionSet = getRunningActionSet();
56 for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
57 ; it != itend ; it=itNext) {
59 action = static_cast<NetworkConstantAction*>(&*it);
60 if (action->latency_ > 0) {
61 if (action->latency_ > delta) {
62 double_update(&(action->latency_), delta, sg_surf_precision);
64 action->latency_ = 0.0;
67 action->updateRemains(action->getCost() * delta / action->initialLatency_);
68 if (action->getMaxDuration() != NO_MAX_DURATION)
69 action->updateMaxDuration(delta);
71 if (action->getRemainsNoUpdate() <= 0) {
73 action->setState(Action::State::done);
74 } else if ((action->getMaxDuration() != NO_MAX_DURATION)
75 && (action->getMaxDuration() <= 0)) {
77 action->setState(Action::State::done);
82 Action *NetworkConstantModel::communicate(routing::NetCard *src, routing::NetCard *dst, double size, double rate)
84 NetworkConstantAction *action = new NetworkConstantAction(this, size, sg_latency_factor);
86 Link::onCommunicate(action, src, dst);
93 NetworkConstantAction::NetworkConstantAction(NetworkConstantModel *model_, double size, double latency)
94 : NetworkAction(model_, size, false)
95 , initialLatency_(latency)
98 if (latency_ <= 0.0) {
99 stateSet_ = getModel()->getDoneActionSet();
100 stateSet_->push_back(*this);
104 NetworkConstantAction::~NetworkConstantAction() {}