-void NetworkCm02Link::updateBandwidth(double value, double date){
- double delta = sg_weight_S_parameter / value - sg_weight_S_parameter /
- (p_power.peak * p_power.scale);
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
- NetworkCm02ActionPtr action = NULL;
-
- p_power.peak = value;
- lmm_update_constraint_bound(getModel()->getMaxminSystem(),
- getConstraint(),
- sg_bandwidth_factor *
- (p_power.peak * p_power.scale));
-#ifdef HAVE_TRACING
- TRACE_surf_link_set_bandwidth(date, getName(), sg_bandwidth_factor * p_power.peak * p_power.scale);
-#endif
- if (sg_weight_S_parameter > 0) {
- while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
- action = (NetworkCm02ActionPtr) lmm_variable_id(var);
- action->m_weight += delta;
- if (!action->isSuspended())
- lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->m_weight);
- }
- }
-}
-
-void NetworkCm02Link::updateLatency(double value, double date){
- double delta = value - m_latCurrent;
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
- NetworkCm02ActionPtr action = NULL;
-
- m_latCurrent = value;
- while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
- action = (NetworkCm02ActionPtr) lmm_variable_id(var);
- action->m_latCurrent += delta;
- action->m_weight += delta;
- if (action->m_rate < 0)
- lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(), sg_tcp_gamma / (2.0 * action->m_latCurrent));
- else {
- lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(),
- min(action->m_rate, sg_tcp_gamma / (2.0 * action->m_latCurrent)));
-
- if (action->m_rate < sg_tcp_gamma / (2.0 * action->m_latCurrent)) {
- XBT_INFO("Flow is limited BYBANDWIDTH");
- } else {
- XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f",
- action->m_latCurrent);
- }
- }
- if (!action->isSuspended())
- lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), action->m_weight);
- }
-}
-