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 #include "host_interface.hpp"
10 #include "src/surf/platform.hpp"
12 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
17 void surf_network_model_init_Constant()
19 xbt_assert(surf_network_model == NULL);
20 surf_network_model = new simgrid::surf::NetworkConstantModel();
21 xbt_dynar_push(all_existing_models, &surf_network_model);
23 routing_model_create(NULL);
25 simgrid::surf::on_link.connect([](sg_platf_link_cbarg_t link){
26 xbt_die("There is no link in the Constant network model. "
27 "Please remove any link from your platform (and switch to routing='None')");
34 double NetworkConstantModel::shareResources(double /*now*/)
36 NetworkConstantAction *action = NULL;
39 ActionList *actionSet = getRunningActionSet();
40 for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end())
41 ; it != itend ; ++it) {
42 action = static_cast<NetworkConstantAction*>(&*it);
43 if (action->m_latency > 0 && (min < 0 || action->m_latency < min))
44 min = action->m_latency;
50 void NetworkConstantModel::updateActionsState(double /*now*/, double delta)
52 NetworkConstantAction *action = NULL;
53 ActionList *actionSet = getRunningActionSet();
54 for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
55 ; it != itend ; it=itNext) {
57 action = static_cast<NetworkConstantAction*>(&*it);
58 if (action->m_latency > 0) {
59 if (action->m_latency > delta) {
60 double_update(&(action->m_latency), delta, sg_surf_precision);
62 action->m_latency = 0.0;
65 action->updateRemains(action->getCost() * delta / action->m_latInit);
66 if (action->getMaxDuration() != NO_MAX_DURATION)
67 action->updateMaxDuration(delta);
69 if (action->getRemainsNoUpdate() <= 0) {
71 action->setState(SURF_ACTION_DONE);
72 } else if ((action->getMaxDuration() != NO_MAX_DURATION)
73 && (action->getMaxDuration() <= 0)) {
75 action->setState(SURF_ACTION_DONE);
80 Action *NetworkConstantModel::communicate(NetCard *src, NetCard *dst,
81 double size, double rate)
83 char *src_name = src->getName();
84 char *dst_name = dst->getName();
86 XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
87 NetworkConstantAction *action = new NetworkConstantAction(this, size, sg_latency_factor);
90 networkCommunicateCallbacks(action, src, dst, size, rate);
98 int NetworkConstantAction::unref()
102 if (action_hook.is_linked())
103 p_stateSet->erase(p_stateSet->iterator_to(*this));
110 void NetworkConstantAction::cancel()