1 /* Copyright (c) 2013-2014. 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_interface.hpp"
8 #include "simgrid/sg_config.h"
10 #ifndef NETWORK_INTERFACE_CPP_
11 #define NETWORK_INTERFACE_CPP_
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
14 "Logging specific to the SURF network module");
20 int surf_network_link_is_shared(Link *link){
21 return link->isShared();
23 double surf_network_link_get_bandwidth(Link *link){
24 return link->getBandwidth();
26 double surf_network_link_get_latency(Link *link){
27 return link->getLatency();
29 const char* surf_network_link_get_name(Link *link) {
30 return link->getName();
32 void* surf_network_link_data(Link *link) {
33 return link->getData();
35 void surf_network_link_data_set(Link *link,void *data) {
45 surf_callback(void, Link*) networkLinkCreatedCallbacks;
46 surf_callback(void, Link*) networkLinkDestructedCallbacks;
47 surf_callback(void, Link*, e_surf_resource_state_t, e_surf_resource_state_t) networkLinkStateChangedCallbacks;
48 surf_callback(void, NetworkActionPtr, e_surf_action_state_t, e_surf_action_state_t) networkActionStateChangedCallbacks;
49 surf_callback(void, NetworkActionPtr, RoutingEdgePtr src, RoutingEdgePtr dst, double size, double rate) networkCommunicateCallbacks;
51 void netlink_parse_init(sg_platf_link_cbarg_t link){
52 if (link->policy == SURF_LINK_FULLDUPLEX) {
54 link_id = bprintf("%s_UP", link->id);
55 surf_network_model->createLink(link_id,
57 link->bandwidth_trace,
61 link->state_trace, link->policy, link->properties);
63 link_id = bprintf("%s_DOWN", link->id);
64 surf_network_model->createLink(link_id,
66 link->bandwidth_trace,
70 link->state_trace, link->policy, link->properties);
73 surf_network_model->createLink(link->id,
75 link->bandwidth_trace,
79 link->state_trace, link->policy, link->properties);
83 void net_add_traces(){
84 surf_network_model->addTraces();
91 NetworkModelPtr surf_network_model = NULL;
93 double NetworkModel::latencyFactor(double /*size*/) {
94 return sg_latency_factor;
97 double NetworkModel::bandwidthFactor(double /*size*/) {
98 return sg_bandwidth_factor;
101 double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) {
105 double NetworkModel::shareResourcesFull(double now)
107 NetworkActionPtr action = NULL;
108 ActionListPtr runningActions = surf_network_model->getRunningActionSet();
111 minRes = shareResourcesMaxMin(runningActions, surf_network_model->p_maxminSystem, surf_network_model->f_networkSolve);
113 for(ActionList::iterator it(runningActions->begin()), itend(runningActions->end())
114 ; it != itend ; ++it) {
115 action = static_cast<NetworkActionPtr>(&*it);
116 #ifdef HAVE_LATENCY_BOUND_TRACKING
117 if (lmm_is_variable_limited_by_latency(action->getVariable())) {
118 action->m_latencyLimited = 1;
120 action->m_latencyLimited = 0;
123 if (action->m_latency > 0) {
124 minRes = (minRes < 0) ? action->m_latency : min(minRes, action->m_latency);
128 XBT_DEBUG("Min of share resources %f", minRes);
137 Link::Link(NetworkModelPtr model, const char *name, xbt_dict_t props)
138 : Resource(model, name, props)
141 surf_callback_emit(networkLinkCreatedCallbacks, this);
144 Link::Link(NetworkModelPtr model, const char *name, xbt_dict_t props,
145 lmm_constraint_t constraint,
146 tmgr_history_t history,
147 tmgr_trace_t state_trace)
148 : Resource(model, name, props, constraint),
151 surf_callback_emit(networkLinkCreatedCallbacks, this);
153 p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this);
158 surf_callback_emit(networkLinkDestructedCallbacks, this);
163 return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
166 double Link::getLatency()
171 double Link::getBandwidth()
173 return p_power.peak * p_power.scale;
176 bool Link::isShared()
178 return lmm_constraint_is_shared(getConstraint());
181 void Link::setState(e_surf_resource_state_t state){
182 e_surf_resource_state_t old = Resource::getState();
183 Resource::setState(state);
184 surf_callback_emit(networkLinkStateChangedCallbacks, this, old, state);
191 void NetworkAction::setState(e_surf_action_state_t state){
192 e_surf_action_state_t old = getState();
193 Action::setState(state);
194 surf_callback_emit(networkActionStateChangedCallbacks, this, old, state);
197 #endif /* NETWORK_INTERFACE_CPP_ */