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"
8 #include "surf/random_mgr.h"
10 #include "host_interface.hpp"
11 #include "src/surf/platform.hpp"
13 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
18 void surf_network_model_init_Constant()
20 xbt_assert(surf_network_model == NULL);
21 surf_network_model = new simgrid::surf::NetworkConstantModel();
22 xbt_dynar_push(all_existing_models, &surf_network_model);
24 routing_model_create(NULL);
26 simgrid::surf::on_link.connect([](sg_platf_link_cbarg_t link){
27 xbt_die("There is no link in the Constant network model. "
28 "Please remove any link from your platform (and switch to routing='None')");
35 double NetworkConstantModel::shareResources(double /*now*/)
37 NetworkConstantAction *action = NULL;
40 ActionList *actionSet = getRunningActionSet();
41 for(ActionList::iterator it(actionSet->begin()), itend(actionSet->end())
42 ; it != itend ; ++it) {
43 action = static_cast<NetworkConstantAction*>(&*it);
44 if (action->m_latency > 0 && (min < 0 || action->m_latency < min))
45 min = action->m_latency;
51 void NetworkConstantModel::updateActionsState(double /*now*/, double delta)
53 NetworkConstantAction *action = NULL;
54 ActionList *actionSet = getRunningActionSet();
55 for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
56 ; it != itend ; it=itNext) {
58 action = static_cast<NetworkConstantAction*>(&*it);
59 if (action->m_latency > 0) {
60 if (action->m_latency > delta) {
61 double_update(&(action->m_latency), delta, sg_surf_precision);
63 action->m_latency = 0.0;
66 action->updateRemains(action->getCost() * delta / action->m_latInit);
67 if (action->getMaxDuration() != NO_MAX_DURATION)
68 action->updateMaxDuration(delta);
70 if (action->getRemainsNoUpdate() <= 0) {
72 action->setState(SURF_ACTION_DONE);
73 } else if ((action->getMaxDuration() != NO_MAX_DURATION)
74 && (action->getMaxDuration() <= 0)) {
76 action->setState(SURF_ACTION_DONE);
81 Action *NetworkConstantModel::communicate(NetCard *src, NetCard *dst,
82 double size, double rate)
84 char *src_name = src->getName();
85 char *dst_name = dst->getName();
87 XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
88 NetworkConstantAction *action = new NetworkConstantAction(this, size, sg_latency_factor);
91 networkCommunicateCallbacks(action, src, dst, size, rate);
99 int NetworkConstantAction::unref()
103 if (action_hook.is_linked())
104 p_stateSet->erase(p_stateSet->iterator_to(*this));
111 void NetworkConstantAction::cancel()