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 == NULL);
17 surf_network_model = new simgrid::surf::NetworkConstantModel();
18 xbt_dynar_push(all_existing_models, &surf_network_model);
20 routing_model_create(NULL);
22 simgrid::surf::on_link.connect([](sg_platf_link_cbarg_t link){
23 xbt_die("There is no link in the Constant network model. "
24 "Please remove any link from your platform (and switch to routing='None')");
31 double NetworkConstantModel::next_occuring_event(double /*now*/)
33 NetworkConstantAction *action = NULL;
36 ActionList *actionSet = getRunningActionSet();
37 for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end())
38 ; it != itend ; ++it) {
39 action = static_cast<NetworkConstantAction*>(&*it);
40 if (action->m_latency > 0 && (min < 0 || action->m_latency < min))
41 min = action->m_latency;
47 void NetworkConstantModel::updateActionsState(double /*now*/, double delta)
49 NetworkConstantAction *action = NULL;
50 ActionList *actionSet = getRunningActionSet();
51 for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
52 ; it != itend ; it=itNext) {
54 action = static_cast<NetworkConstantAction*>(&*it);
55 if (action->m_latency > 0) {
56 if (action->m_latency > delta) {
57 double_update(&(action->m_latency), delta, sg_surf_precision);
59 action->m_latency = 0.0;
62 action->updateRemains(action->getCost() * delta / action->m_latInit);
63 if (action->getMaxDuration() != NO_MAX_DURATION)
64 action->updateMaxDuration(delta);
66 if (action->getRemainsNoUpdate() <= 0) {
68 action->setState(SURF_ACTION_DONE);
69 } else if ((action->getMaxDuration() != NO_MAX_DURATION)
70 && (action->getMaxDuration() <= 0)) {
72 action->setState(SURF_ACTION_DONE);
77 Action *NetworkConstantModel::communicate(NetCard *src, NetCard *dst,
78 double size, double rate)
80 char *src_name = src->name();
81 char *dst_name = dst->name();
83 XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
84 NetworkConstantAction *action = new NetworkConstantAction(this, size, sg_latency_factor);
87 networkCommunicateCallbacks(action, src, dst, size, rate);
95 int NetworkConstantAction::unref()
99 if (action_hook.is_linked())
100 p_stateSet->erase(p_stateSet->iterator_to(*this));
107 void NetworkConstantAction::cancel()