#include "network.hpp"
+#include "maxmin_private.h"
+#include "simgrid/sg_config.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surfpp_network, surfpp,
+extern "C" {
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf,
"Logging specific to the SURF network module");
+}
-//TODO: resolve dependencies
-static int TRACE_is_enabled(void) {return 0;}
-static void TRACE_surf_host_set_utilization(const char *resource,
- const char *category,
- double value,
- double now,
- double delta){}
-static void TRACE_surf_link_set_utilization(const char *resource,
- const char *category,
- double value,
- double now,
- double delta){}
-static double TRACE_last_timestamp_to_dump = 0;
+NetworkCm02ModelPtr surf_network_model = NULL;
-/*********
- * Utils *
- *********/
+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)));
-static xbt_dict_t gap_lookup = NULL;//TODO: remove static
+ 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 *
*********/
-void NetworkModel::updateActionsStateLazy(double now, double delta)
+/************************************************************************/
+/* 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;
+
+ 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);
+
+ routing_model_create(static_cast<ResourcePtr>(createResource("__loopback__",
+ 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;
+ }
+}
+
+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)
lmm_constraint_t constraint = lmm_get_cnst_from_var(p_maxminSystem,
action->p_variable,
i);
- NetworkCm02LinkPtr link = (NetworkCm02LinkPtr) lmm_constraint_id(constraint);
+ 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)*
action->setState(SURF_ACTION_DONE);
action->heapRemove(p_actionHeap);
- gapRemove(action);
+ action->gapRemove();
}
}
return;
}
-void NetworkModel::gapRemove(ActionLmmPtr lmm_action)
-{
- xbt_fifo_t fifo;
- size_t size;
- NetworkCm02ActionLmmPtr action = (NetworkCm02ActionLmmPtr)lmm_action;
-
- if (sg_sender_gap > 0.0 && action->p_senderLinkName
- && action->p_senderFifoItem) {
- fifo =
- (xbt_fifo_t) xbt_dict_get_or_null(gap_lookup,
- action->p_senderLinkName);
- xbt_fifo_remove_item(fifo, action->p_senderFifoItem);
- size = xbt_fifo_size(fifo);
- if (size == 0) {
- xbt_fifo_free(fifo);
- xbt_dict_remove(gap_lookup, action->p_senderLinkName);
- size = xbt_dict_length(gap_lookup);
- if (size == 0) {
- xbt_dict_free(&gap_lookup);
+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 *
m_lastUpdate = now;
m_lastValue = lmm_variable_getvalue(p_variable);
}
+void NetworkCm02ActionLmm::recycle()
+{
+ return;
+}
