+++ /dev/null
-#include "network.hpp"
-#include "maxmin_private.h"
-#include "simgrid/sg_config.h"
-
-extern "C" {
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
- "Logging specific to the SURF network module");
-}
-
-NetworkCm02ModelPtr surf_network_model = NULL;
-
-double sg_sender_gap = 0.0;
-double sg_latency_factor = 1.0; /* default value; can be set by model or from command line */
-double sg_bandwidth_factor = 1.0; /* default value; can be set by model or from command line */
-double sg_weight_S_parameter = 0.0; /* default value; can be set by model or from command line */
-
-double sg_tcp_gamma = 0.0;
-int sg_network_crosstraffic = 0;
-
-/*************
- * CallBacks *
- *************/
-
-static void net_parse_link_init(sg_platf_link_cbarg_t link){
- if (link->policy == SURF_LINK_FULLDUPLEX) {
- char *link_id;
- link_id = bprintf("%s_UP", link->id);
- surf_network_model->createResource(link_id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- xbt_free(link_id);
- link_id = bprintf("%s_DOWN", link->id);
- surf_network_model->createResource(link_id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- xbt_free(link_id);
- } else {
- surf_network_model->createResource(link->id,
- link->bandwidth,
- link->bandwidth_trace,
- link->latency,
- link->latency_trace,
- link->state,
- link->state_trace, link->policy, link->properties);
- }
-}
-
-static void net_add_traces(void){
- xbt_dict_cursor_t cursor = NULL;
- char *trace_name, *elm;
-
- static int called = 0;
- if (called)
- return;
- called = 1;
-
- /* connect all traces relative to network */
- xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
- tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- NetworkCm02LinkLmmPtr link = dynamic_cast<NetworkCm02LinkLmmPtr>(
- static_cast<ResourcePtr>(
- xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL)));
-
- xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
- trace_name, elm);
- xbt_assert(trace,
- "Cannot connect trace %s to link %s: trace undefined",
- trace_name, elm);
-
- link->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
- }
-
- xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
- tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- NetworkCm02LinkLmmPtr link = dynamic_cast<NetworkCm02LinkLmmPtr>(
- static_cast<ResourcePtr>(
- xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL)));
-
- xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
- trace_name, elm);
- xbt_assert(trace,
- "Cannot connect trace %s to link %s: trace undefined",
- trace_name, elm);
-
- link->p_power.event = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
- }
-
- xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
- tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- NetworkCm02LinkLmmPtr link = dynamic_cast<NetworkCm02LinkLmmPtr>(
- static_cast<ResourcePtr>(
- xbt_lib_get_or_null(link_lib, elm, SURF_LINK_LEVEL)));
-
- xbt_assert(link, "Cannot connect trace %s to link %s: link undefined",
- trace_name, elm);
- xbt_assert(trace,
- "Cannot connect trace %s to link %s: trace undefined",
- trace_name, elm);
-
- link->p_latEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(link));
- }
-}
-
-void net_define_callbacks(void)
-{
- /* Figuring out the network links */
- sg_platf_link_add_cb(net_parse_link_init);
- sg_platf_postparse_add_cb(net_add_traces);
-}
-
-/*********
- * Model *
- *********/
-
-/************************************************************************/
-/* New model based on optimizations discussed during Pedro Velho's thesis*/
-/************************************************************************/
-/* @techreport{VELHO:2011:HAL-00646896:1, */
-/* url = {http://hal.inria.fr/hal-00646896/en/}, */
-/* title = {{Flow-level network models: have we reached the limits?}}, */
-/* author = {Velho, Pedro and Schnorr, Lucas and Casanova, Henri and Legrand, Arnaud}, */
-/* type = {Rapport de recherche}, */
-/* institution = {INRIA}, */
-/* number = {RR-7821}, */
-/* year = {2011}, */
-/* month = Nov, */
-/* pdf = {http://hal.inria.fr/hal-00646896/PDF/rr-validity.pdf}, */
-/* } */
-void surf_network_model_init_LegrandVelho(void)
-{
- if (surf_network_model)
- return;
-
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
-
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor",
- 13.01);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.97);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 20537);
-}
-
-/***************************************************************************/
-/* The nice TCP sharing model designed by Loris Marchal and Henri Casanova */
-/***************************************************************************/
-/* @TechReport{ rr-lip2002-40, */
-/* author = {Henri Casanova and Loris Marchal}, */
-/* institution = {LIP}, */
-/* title = {A Network Model for Simulation of Grid Application}, */
-/* number = {2002-40}, */
-/* month = {oct}, */
-/* year = {2002} */
-/* } */
-void surf_network_model_init_CM02(void)
-{
-
- if (surf_network_model)
- return;
-
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
-
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 1.0);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 1.0);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 0.0);
-}
-
-/***************************************************************************/
-/* The models from Steven H. Low */
-/***************************************************************************/
-/* @article{Low03, */
-/* author={Steven H. Low}, */
-/* title={A Duality Model of {TCP} and Queue Management Algorithms}, */
-/* year={2003}, */
-/* journal={{IEEE/ACM} Transactions on Networking}, */
-/* volume={11}, number={4}, */
-/* } */
-void surf_network_model_init_Reno(void)
-{
- if (surf_network_model)
- return;
-
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
- lmm_set_default_protocol_function(func_reno_f, func_reno_fp,
- func_reno_fpi);
- surf_network_model->f_networkSolve = lagrange_solve;
-
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.92);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
-}
-
-
-void surf_network_model_init_Reno2(void)
-{
- if (surf_network_model)
- return;
-
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
- lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp,
- func_reno2_fpi);
- surf_network_model->f_networkSolve = lagrange_solve;
-
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.92);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S_parameter",
- 8775);
-}
-
-void surf_network_model_init_Vegas(void)
-{
- if (surf_network_model)
- return;
-
- surf_network_model = new NetworkCm02Model();
- net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
- lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp,
- func_vegas_fpi);
- surf_network_model->f_networkSolve = lagrange_solve;
-
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor", 10.4);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/bandwidth_factor",
- 0.92);
- xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
-}
-
-void NetworkCm02Model::initialize()
-{
- ActionLmmPtr comm = NULL;
-
- char *optim = xbt_cfg_get_string(_sg_cfg_set, "network/optim");
- int select =
- xbt_cfg_get_boolean(_sg_cfg_set, "network/maxmin_selective_update");
-
- if (!strcmp(optim, "Full")) {
- p_updateMechanism = UM_FULL;
- m_selectiveUpdate = select;
- } else if (!strcmp(optim, "Lazy")) {
- p_updateMechanism = UM_LAZY;
- m_selectiveUpdate = 1;
- xbt_assert((select == 1)
- ||
- (xbt_cfg_is_default_value
- (_sg_cfg_set, "network/maxmin_selective_update")),
- "Disabling selective update while using the lazy update mechanism is dumb!");
- } else {
- xbt_die("Unsupported optimization (%s) for this model", optim);
- }
-
- if (!p_maxminSystem)
- p_maxminSystem = lmm_system_new(m_selectiveUpdate);
-
- const char* lb_name = "__loopback__";
- routing_model_create(static_cast<ResourcePtr>(createResource(lb_name,
- 498000000, NULL, 0.000015, NULL,
- SURF_RESOURCE_ON, NULL,
- SURF_LINK_FATPIPE, NULL)));
-
- if (p_updateMechanism == UM_LAZY) {
- p_actionHeap = xbt_heap_new(8, NULL);
- xbt_heap_set_update_callback(p_actionHeap, surf_action_lmm_update_index_heap);
- p_modifiedSet = xbt_swag_new(xbt_swag_offset(*comm, p_actionListHookup));
- p_maxminSystem->keep_track = p_modifiedSet;
- }
-
- m_haveGap = false;
-}
-
-NetworkCm02LinkLmmPtr NetworkCm02Model::createResource(const char *name,
- double bw_initial,
- tmgr_trace_t bw_trace,
- double lat_initial,
- tmgr_trace_t lat_trace,
- e_surf_resource_state_t state_initial,
- tmgr_trace_t state_trace,
- e_surf_link_sharing_policy_t policy,
- xbt_dict_t properties)
-{
- xbt_assert(!xbt_lib_get_or_null(link_lib, name, SURF_LINK_LEVEL),
- "Link '%s' declared several times in the platform file.",
- name);
-
- NetworkCm02LinkLmmPtr nw_link =
- new NetworkCm02LinkLmm(this, name, properties, p_maxminSystem, sg_bandwidth_factor * bw_initial, history,
- state_initial, state_trace, bw_initial, bw_trace, lat_initial, lat_trace, policy);
-
-
- xbt_lib_set(link_lib, name, SURF_LINK_LEVEL, static_cast<ResourcePtr>(nw_link));
- XBT_DEBUG("Create link '%s'",name);
-
- return nw_link;
-}
-
-void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
-{
- NetworkCm02ActionLmmPtr action;
- while ((xbt_heap_size(p_actionHeap) > 0)
- && (double_equals(xbt_heap_maxkey(p_actionHeap), now))) {
- action = (NetworkCm02ActionLmmPtr) xbt_heap_pop(p_actionHeap);
- XBT_DEBUG("Something happened to action %p", action);
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- int n = lmm_get_number_of_cnst_from_var(p_maxminSystem, action->p_variable);
- int i;
- for (i = 0; i < n; i++){
- lmm_constraint_t constraint = lmm_get_cnst_from_var(p_maxminSystem,
- action->p_variable,
- i);
- NetworkCm02LinkPtr link = static_cast<NetworkCm02LinkPtr>(lmm_constraint_id(constraint));
- TRACE_surf_link_set_utilization(link->m_name,
- action->p_category,
- (lmm_variable_getvalue(action->p_variable)*
- lmm_get_cnst_weight_from_var(p_maxminSystem,
- action->p_variable,
- i)),
- action->m_lastUpdate,
- now - action->m_lastUpdate);
- }
- }
-#endif
-
- // if I am wearing a latency hat
- if (action->m_hat == LATENCY) {
- XBT_DEBUG("Latency paid for action %p. Activating", action);
- lmm_update_variable_weight(p_maxminSystem, action->p_variable, action->m_weight);
- action->heapRemove(p_actionHeap);
- action->m_lastUpdate = surf_get_clock();
-
- // if I am wearing a max_duration or normal hat
- } else if (action->m_hat == MAX_DURATION ||
- action->m_hat == NORMAL) {
- // no need to communicate anymore
- // assume that flows that reached max_duration have remaining of 0
- action->m_finish = surf_get_clock();
- XBT_DEBUG("Action %p finished", action);
- action->m_remains = 0;
- action->m_finish = surf_get_clock();
- action->setState(SURF_ACTION_DONE);
- action->heapRemove(p_actionHeap);
-
- action->gapRemove();
- }
- }
- return;
-}
-
-xbt_dynar_t NetworkCm02Model::getRoute(RoutingEdgePtr src, RoutingEdgePtr dst)
-{
- xbt_dynar_t route = NULL;
- routing_platf->getRouteAndLatency(src, dst, &route, NULL);
- return route;
-}
-
-ActionPtr NetworkCm02Model::communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
- double size, double rate)
-{
- unsigned int i;
- void *_link;
- NetworkCm02LinkLmmPtr link;
- int failed = 0;
- NetworkCm02ActionLmmPtr action = NULL;
- double bandwidth_bound;
- double latency = 0.0;
- xbt_dynar_t back_route = NULL;
- int constraints_per_variable = 0;
-
- xbt_dynar_t route = xbt_dynar_new(sizeof(RoutingEdgePtr), NULL);
-
- XBT_IN("(%s,%s,%g,%g)", src->p_name, dst->p_name, size, rate);
-
- routing_platf->getRouteAndLatency(src, dst, &route, &latency);
- xbt_assert(!xbt_dynar_is_empty(route) || latency,
- "You're trying to send data from %s to %s but there is no connection at all between these two hosts.",
- src->p_name, dst->p_name);
-
- xbt_dynar_foreach(route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- if (link->p_stateCurrent == SURF_RESOURCE_OFF) {
- failed = 1;
- break;
- }
- }
- if (sg_network_crosstraffic == 1) {
- routing_platf->getRouteAndLatency(dst, src, &back_route, NULL);
- xbt_dynar_foreach(back_route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- if (link->p_stateCurrent == SURF_RESOURCE_OFF) {
- failed = 1;
- break;
- }
- }
- }
-
- action = new NetworkCm02ActionLmm(this, size, failed);
-
-#ifdef HAVE_LATENCY_BOUND_TRACKING
- action->m_latencyLimited = 0;
-#endif
- action->m_weight = action->m_latency = latency;
-
- //FIXME:REMOVxbt_swag_insert(action, action->p_stateSet);
- action->m_rate = rate;
- if (p_updateMechanism == UM_LAZY) {
- action->m_indexHeap = -1;
- action->m_lastUpdate = surf_get_clock();
- }
-
- bandwidth_bound = -1.0;
- if (sg_weight_S_parameter > 0) {
- xbt_dynar_foreach(route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- action->m_weight +=
- sg_weight_S_parameter /
- (link->p_power.peak * link->p_power.scale);
- }
- }
- xbt_dynar_foreach(route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- double bb = bandwidthFactor(size) * (link->p_power.peak * link->p_power.scale);
- bandwidth_bound =
- (bandwidth_bound < 0.0) ? bb : min(bandwidth_bound, bb);
- }
-
- action->m_latCurrent = action->m_latency;
- action->m_latency *= latencyFactor(size);
- action->m_rate = bandwidthConstraint(action->m_rate, bandwidth_bound, size);
- if (m_haveGap) {
- xbt_assert(!xbt_dynar_is_empty(route),
- "Using a model with a gap (e.g., SMPI) with a platform without links (e.g. vivaldi)!!!");
-
- //link = *(NetworkCm02LinkLmmPtr *) xbt_dynar_get_ptr(route, 0);
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(*static_cast<ResourcePtr *>(xbt_dynar_get_ptr(route, 0)));
- gapAppend(size, link, action);
- XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)",
- action, src->p_name, dst->p_name, action->m_senderGap,
- action->m_latency);
- }
-
- constraints_per_variable = xbt_dynar_length(route);
- if (back_route != NULL)
- constraints_per_variable += xbt_dynar_length(back_route);
-
- if (action->m_latency > 0) {
- action->p_variable = lmm_variable_new(p_maxminSystem, action, 0.0, -1.0,
- constraints_per_variable);
- if (p_updateMechanism == UM_LAZY) {
- // add to the heap the event when the latency is payed
- XBT_DEBUG("Added action (%p) one latency event at date %f", action,
- action->m_latency + action->m_lastUpdate);
- action->heapInsert(p_actionHeap, action->m_latency + action->m_lastUpdate, xbt_dynar_is_empty(route) ? NORMAL : LATENCY);
- }
- } else
- action->p_variable = lmm_variable_new(p_maxminSystem, action, 1.0, -1.0, constraints_per_variable);
-
- if (action->m_rate < 0) {
- lmm_update_variable_bound(p_maxminSystem, action->p_variable, (action->m_latCurrent > 0) ? sg_tcp_gamma / (2.0 * action->m_latCurrent) : -1.0);
- } else {
- lmm_update_variable_bound(p_maxminSystem, action->p_variable, (action->m_latCurrent > 0) ? min(action->m_rate, sg_tcp_gamma / (2.0 * action->m_latCurrent)) : action->m_rate);
- }
-
- xbt_dynar_foreach(route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- lmm_expand(p_maxminSystem, link->p_constraint, action->p_variable, 1.0);
- }
-
- if (sg_network_crosstraffic == 1) {
- XBT_DEBUG("Fullduplex active adding backward flow using 5%%");
- xbt_dynar_foreach(back_route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- lmm_expand(p_maxminSystem, link->p_constraint, action->p_variable, .05);
- }
- }
-
- xbt_dynar_free(&route);
- XBT_OUT();
-
- return action;
-}
-
-double NetworkCm02Model::latencyFactor(double /*size*/) {
- return sg_latency_factor;
-}
-
-double NetworkCm02Model::bandwidthFactor(double /*size*/) {
- return sg_bandwidth_factor;
-}
-
-double NetworkCm02Model::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) {
- return rate;
-}
-
-/************
- * Resource *
- ************/
-NetworkCm02LinkLmm::NetworkCm02LinkLmm(NetworkCm02ModelPtr model, const char *name, xbt_dict_t props,
- lmm_system_t system,
- double constraint_value,
- tmgr_history_t history,
- e_surf_resource_state_t state_init,
- tmgr_trace_t state_trace,
- double metric_peak,
- tmgr_trace_t metric_trace,
- double lat_initial,
- tmgr_trace_t lat_trace,
- e_surf_link_sharing_policy_t policy)
-: Resource(model, name, props),
- ResourceLmm(model, name, props, system, constraint_value, history, state_init, state_trace, metric_peak, metric_trace),
- NetworkCm02Link(model, name, props)
-{
- m_latCurrent = lat_initial;
- if (lat_trace)
- p_latEvent = tmgr_history_add_trace(history, lat_trace, 0.0, 0, static_cast<ResourcePtr>(this));
-
- if (policy == SURF_LINK_FATPIPE)
- lmm_constraint_shared(p_constraint);
-}
-
-bool NetworkCm02LinkLmm::isUsed()
-{
- return lmm_constraint_used(p_model->p_maxminSystem, p_constraint);
-}
-
-double NetworkCm02Link::getLatency()
-{
- return m_latCurrent;
-}
-
-double NetworkCm02LinkLmm::getBandwidth()
-{
- return p_power.peak * p_power.scale;
-}
-
-bool NetworkCm02LinkLmm::isShared()
-{
- return lmm_constraint_is_shared(p_constraint);
-}
-
-void NetworkCm02LinkLmm::updateState(tmgr_trace_event_t event_type,
- double value, double date)
-{
- /* printf("[" "%g" "] Asking to update network card \"%s\" with value " */
- /* "%g" " for event %p\n", surf_get_clock(), nw_link->name, */
- /* value, event_type); */
-
- if (event_type == p_power.event) {
- 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;
- NetworkCm02ActionLmmPtr action = NULL;
-
- p_power.peak = value;
- lmm_update_constraint_bound(p_model->p_maxminSystem,
- p_constraint,
- sg_bandwidth_factor *
- (p_power.peak * p_power.scale));
-#ifdef HAVE_TRACING
- TRACE_surf_link_set_bandwidth(date, m_name, sg_bandwidth_factor * p_power.peak * p_power.scale);
-#endif
- if (sg_weight_S_parameter > 0) {
- while ((var = lmm_get_var_from_cnst(p_model->p_maxminSystem, p_constraint, &elem))) {
- action = (NetworkCm02ActionLmmPtr) lmm_variable_id(var);
- action->m_weight += delta;
- if (!action->m_suspended)
- lmm_update_variable_weight(p_model->p_maxminSystem, action->p_variable, action->m_weight);
- }
- }
- if (tmgr_trace_event_free(event_type))
- p_power.event = NULL;
- } else if (event_type == p_latEvent) {
- double delta = value - m_latCurrent;
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
- NetworkCm02ActionLmmPtr action = NULL;
-
- m_latCurrent = value;
- while ((var = lmm_get_var_from_cnst(p_model->p_maxminSystem, p_constraint, &elem))) {
- action = (NetworkCm02ActionLmmPtr) lmm_variable_id(var);
- action->m_latCurrent += delta;
- action->m_weight += delta;
- if (action->m_rate < 0)
- lmm_update_variable_bound(p_model->p_maxminSystem, action->p_variable, sg_tcp_gamma / (2.0 * action->m_latCurrent));
- else {
- lmm_update_variable_bound(p_model->p_maxminSystem, action->p_variable,
- 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->m_suspended)
- lmm_update_variable_weight(p_model->p_maxminSystem, action->p_variable, action->m_weight);
-
- }
- if (tmgr_trace_event_free(event_type))
- p_latEvent = NULL;
- } else if (event_type == p_stateEvent) {
- if (value > 0)
- p_stateCurrent = SURF_RESOURCE_ON;
- else {
- lmm_constraint_t cnst = p_constraint;
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
-
- p_stateCurrent = SURF_RESOURCE_OFF;
- while ((var = lmm_get_var_from_cnst(p_model->p_maxminSystem, cnst, &elem))) {
- ActionPtr action = (ActionPtr) lmm_variable_id(var);
-
- if (action->getState() == SURF_ACTION_RUNNING ||
- action->getState() == SURF_ACTION_READY) {
- action->m_finish = date;
- action->setState(SURF_ACTION_FAILED);
- }
- }
- }
- if (tmgr_trace_event_free(event_type))
- p_stateEvent = NULL;
- } else {
- XBT_CRITICAL("Unknown event ! \n");
- xbt_abort();
- }
-
- XBT_DEBUG
- ("There were a resource state event, need to update actions related to the constraint (%p)",
- p_constraint);
- return;
-}
-
-/**********
- * Action *
- **********/
-void NetworkCm02ActionLmm::updateRemainingLazy(double now)
-{
- double delta = 0.0;
-
- if (m_suspended != 0)
- return;
-
- delta = now - m_lastUpdate;
-
- if (m_remains > 0) {
- XBT_DEBUG("Updating action(%p): remains was %lf, last_update was: %lf", this, m_remains, m_lastUpdate);
- double_update(&(m_remains), m_lastValue * delta);
-
- XBT_DEBUG("Updating action(%p): remains is now %lf", this, m_remains);
- }
-
- if (m_maxDuration != NO_MAX_DURATION)
- double_update(&m_maxDuration, delta);
-
- if (m_remains <= 0 &&
- (lmm_get_variable_weight(p_variable) > 0)) {
- m_finish = surf_get_clock();
- setState(SURF_ACTION_DONE);
-
- heapRemove(p_model->p_actionHeap);
- } else if (((m_maxDuration != NO_MAX_DURATION)
- && (m_maxDuration <= 0))) {
- m_finish = surf_get_clock();
- setState(SURF_ACTION_DONE);
- heapRemove(p_model->p_actionHeap);
- }
-
- m_lastUpdate = now;
- m_lastValue = lmm_variable_getvalue(p_variable);
-}
-void NetworkCm02ActionLmm::recycle()
-{
- return;
-}
-
