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(netlink_parse_init);
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);
35 double NetworkConstantModel::next_occuring_event(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->latency_ > 0 && (min < 0 || action->latency_ < min))
45 min = action->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->latency_ > 0) {
60 if (action->latency_ > delta) {
61 double_update(&(action->latency_), delta, sg_surf_precision);
63 action->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(Action::State::done);
73 } else if ((action->getMaxDuration() != NO_MAX_DURATION)
74 && (action->getMaxDuration() <= 0)) {
76 action->setState(Action::State::done);
81 Action *NetworkConstantModel::communicate(NetCard *src, NetCard *dst,
82 double size, double rate)
84 char *src_name = src->name();
85 char *dst_name = dst->name();
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()