+/* Copyright (c) 2013-2015. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include <algorithm>
+
#include "network_cm02.hpp"
#include "maxmin_private.hpp"
#include "simgrid/sg_config.h"
+#include "src/surf/platform.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
* 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);
+ simgrid::surf::on_link.connect(netlink_parse_init);
+ simgrid::surf::on_postparse.connect([]() {
+ surf_network_model->addTraces();
+ });
}
/*********
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
net_define_callbacks();
- ModelPtr model = static_cast<ModelPtr>(surf_network_model);
- xbt_dynar_push(model_list, &model);
+ simgrid::surf::Model *model = surf_network_model;
+ xbt_dynar_push(all_existing_models, &model);
xbt_cfg_setdefault_double(_sg_cfg_set, "network/latency_factor",
13.01);
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
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/bandwidth_factor", 1.0);
xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 0.0);
}
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
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);
+ 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/bandwidth_factor", 0.92);
xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
}
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
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);
+ 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);
+ 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_Vegas(void)
if (surf_network_model)
return;
- surf_network_model = new NetworkCm02Model();
+ surf_network_model = new simgrid::surf::NetworkCm02Model();
+ xbt_dynar_push(all_existing_models, &surf_network_model);
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);
+ 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/bandwidth_factor", 0.92);
xbt_cfg_setdefault_double(_sg_cfg_set, "network/weight_S", 8775);
}
-void NetworkCm02Model::initialize()
+namespace simgrid {
+namespace surf {
+
+NetworkCm02Model::NetworkCm02Model()
+ :NetworkModel()
{
char *optim = xbt_cfg_get_string(_sg_cfg_set, "network/optim");
int select =
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)));
+ routing_model_create(createLink("__loopback__",
+ 498000000, NULL, 0.000015, NULL,
+ 1 /*SURF_RESOURCE_ON*/, NULL,
+ SURF_LINK_FATPIPE, NULL));
if (p_updateMechanism == UM_LAZY) {
p_actionHeap = xbt_heap_new(8, NULL);
p_modifiedSet = new ActionLmmList();
p_maxminSystem->keep_track = p_modifiedSet;
}
-
- m_haveGap = false;
}
-NetworkLinkPtr NetworkCm02Model::createResource(const char *name,
+Link* NetworkCm02Model::createLink(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,
+ int initiallyOn,
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.",
+ xbt_assert(NULL == Link::byName(name),
+ "Link '%s' declared several times in the platform",
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;
+ Link* link = new NetworkCm02Link(this, name, properties, p_maxminSystem, sg_bandwidth_factor * bw_initial, future_evt_set,
+ initiallyOn, state_trace, bw_initial, bw_trace, lat_initial, lat_trace, policy);
+ Link::onCreation(link);
+ return link;
}
void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
{
- NetworkCm02ActionLmmPtr action;
+ NetworkCm02Action *action;
while ((xbt_heap_size(p_actionHeap) > 0)
- && (double_equals(xbt_heap_maxkey(p_actionHeap), now))) {
- action = (NetworkCm02ActionLmmPtr) xbt_heap_pop(p_actionHeap);
+ && (double_equals(xbt_heap_maxkey(p_actionHeap), now, sg_surf_precision))) {
+ action = static_cast<NetworkCm02Action*> (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->getVariable());
int i;
lmm_constraint_t constraint = lmm_get_cnst_from_var(p_maxminSystem,
action->getVariable(),
i);
- NetworkCm02LinkLmmPtr link = static_cast<NetworkCm02LinkLmmPtr>(lmm_constraint_id(constraint));
+ NetworkCm02Link *link = static_cast<NetworkCm02Link*>(lmm_constraint_id(constraint));
TRACE_surf_link_set_utilization(link->getName(),
action->getCategory(),
(lmm_variable_getvalue(action->getVariable())*
now - action->getLastUpdate());
}
}
-#endif
// if I am wearing a latency hat
if (action->getHat() == LATENCY) {
return;
}
-ActionPtr NetworkCm02Model::communicate(RoutingEdgePtr src, RoutingEdgePtr dst,
+
+void NetworkCm02Model::updateActionsStateFull(double now, double delta)
+{
+ NetworkCm02Action *action;
+ ActionList *running_actions = getRunningActionSet();
+
+ for(ActionList::iterator it(running_actions->begin()), itNext=it, itend(running_actions->end())
+ ; it != itend ; it=itNext) {
+ ++itNext;
+
+ action = static_cast<NetworkCm02Action*> (&*it);
+ XBT_DEBUG("Something happened to action %p", action);
+ double deltap = delta;
+ if (action->m_latency > 0) {
+ if (action->m_latency > deltap) {
+ double_update(&(action->m_latency), deltap, sg_surf_precision);
+ deltap = 0.0;
+ } else {
+ double_update(&(deltap), action->m_latency, sg_surf_precision);
+ action->m_latency = 0.0;
+ }
+ if (action->m_latency == 0.0 && !(action->isSuspended()))
+ lmm_update_variable_weight(p_maxminSystem, action->getVariable(),
+ action->m_weight);
+ }
+ if (TRACE_is_enabled()) {
+ int n = lmm_get_number_of_cnst_from_var(p_maxminSystem, action->getVariable());
+ int i;
+ for (i = 0; i < n; i++){
+ lmm_constraint_t constraint = lmm_get_cnst_from_var(p_maxminSystem,
+ action->getVariable(),
+ i);
+ NetworkCm02Link* link = static_cast<NetworkCm02Link*>(lmm_constraint_id(constraint));
+ TRACE_surf_link_set_utilization(link->getName(),
+ action->getCategory(),
+ (lmm_variable_getvalue(action->getVariable())*
+ lmm_get_cnst_weight_from_var(p_maxminSystem,
+ action->getVariable(),
+ i)),
+ action->getLastUpdate(),
+ now - action->getLastUpdate());
+ }
+ }
+ if (!lmm_get_number_of_cnst_from_var
+ (p_maxminSystem, action->getVariable())) {
+ /* There is actually no link used, hence an infinite bandwidth.
+ * This happens often when using models like vivaldi.
+ * In such case, just make sure that the action completes immediately.
+ */
+ action->updateRemains(action->getRemains());
+ }
+ action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
+
+ if (action->getMaxDuration() != NO_MAX_DURATION)
+ action->updateMaxDuration(delta);
+
+ if ((action->getRemains() <= 0) &&
+ (lmm_get_variable_weight(action->getVariable()) > 0)) {
+ action->finish();
+ action->setState(SURF_ACTION_DONE);
+ action->gapRemove();
+ } else if (((action->getMaxDuration() != NO_MAX_DURATION)
+ && (action->getMaxDuration() <= 0))) {
+ action->finish();
+ action->setState(SURF_ACTION_DONE);
+ action->gapRemove();
+ }
+ }
+ return;
+}
+
+Action *NetworkCm02Model::communicate(NetCard *src, NetCard *dst,
double size, double rate)
{
unsigned int i;
void *_link;
- NetworkCm02LinkLmmPtr link;
+ NetworkCm02Link *link;
int failed = 0;
- NetworkCm02ActionLmmPtr action = NULL;
+ NetworkCm02Action *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_dynar_t route = xbt_dynar_new(sizeof(NetCard*), NULL);
- XBT_IN("(%s,%s,%g,%g)", src->p_name, dst->p_name, size, rate);
+ XBT_IN("(%s,%s,%g,%g)", src->getName(), dst->getName(), 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);
+ "You're trying to send data from %s to %s but there is no connecting path between these two hosts.",
+ src->getName(), dst->getName());
xbt_dynar_foreach(route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- if (link->getState() == SURF_RESOURCE_OFF) {
+ link = static_cast<NetworkCm02Link*>(_link);
+ if (link->isOff()) {
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->getState() == SURF_RESOURCE_OFF) {
+ link = static_cast<NetworkCm02Link*>(_link);
+ if (link->isOff()) {
failed = 1;
break;
}
}
}
- action = new NetworkCm02ActionLmm(this, size, failed);
+ action = new NetworkCm02Action(this, size, failed);
#ifdef HAVE_LATENCY_BOUND_TRACKING
action->m_latencyLimited = 0;
bandwidth_bound = -1.0;
if (sg_weight_S_parameter > 0) {
xbt_dynar_foreach(route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
+ link = static_cast<NetworkCm02Link*>(_link);
action->m_weight += sg_weight_S_parameter / link->getBandwidth();
}
}
xbt_dynar_foreach(route, i, _link) {
- link = dynamic_cast<NetworkCm02LinkLmmPtr>(static_cast<ResourcePtr>(_link));
- double bb = bandwidthFactor(size) * link->getBandwidth(); //(link->p_power.peak * link->p_power.scale);
+ link = static_cast<NetworkCm02Link*>(_link);
+ double bb = bandwidthFactor(size) * link->getBandwidth();
bandwidth_bound =
- (bandwidth_bound < 0.0) ? bb : min(bandwidth_bound, bb);
+ (bandwidth_bound < 0.0) ? bb : std::min(bandwidth_bound, bb);
}
action->m_latCurrent = action->m_latency;
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)));
+ link = *static_cast<NetworkCm02Link **>(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, src->getName(), dst->getName(), action->m_senderGap,
action->m_latency);
}
constraints_per_variable += xbt_dynar_length(back_route);
if (action->m_latency > 0) {
- action->p_variable = lmm_variable_new(p_maxminSystem, static_cast<ActionLmmPtr>(action), 0.0, -1.0,
+ 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
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, static_cast<ActionLmmPtr>(action), 1.0, -1.0, constraints_per_variable);
+ 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->getVariable(), (action->m_latCurrent > 0) ? sg_tcp_gamma / (2.0 * action->m_latCurrent) : -1.0);
} else {
- lmm_update_variable_bound(p_maxminSystem, action->getVariable(), (action->m_latCurrent > 0) ? min(action->m_rate, sg_tcp_gamma / (2.0 * action->m_latCurrent)) : action->m_rate);
+ lmm_update_variable_bound(p_maxminSystem, action->getVariable(), (action->m_latCurrent > 0) ? std::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->constraint(), action->getVariable(), 1.0);
+ link = static_cast<NetworkCm02Link*>(_link);
+ lmm_expand(p_maxminSystem, link->getConstraint(), action->getVariable(), 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->constraint(), action->getVariable(), .05);
+ link = static_cast<NetworkCm02Link*>(_link);
+ lmm_expand(p_maxminSystem, link->getConstraint(), action->getVariable(), .05);
}
}
xbt_dynar_free(&route);
XBT_OUT();
+ networkCommunicateCallbacks(action, src, dst, size, rate);
return action;
}
+void NetworkCm02Model::addTraces(){
+ 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);
+ NetworkCm02Link *link = static_cast<NetworkCm02Link*>( Link::byName(elm) );
+
+ 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 = future_evt_set->add_trace(trace, 0.0, 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);
+ NetworkCm02Link *link = static_cast<NetworkCm02Link*>( Link::byName(elm) );
+
+ 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_speed.event = future_evt_set->add_trace(trace, 0.0, 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);
+ NetworkCm02Link *link = static_cast<NetworkCm02Link*>(Link::byName(elm));;
+ 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 = future_evt_set->add_trace(trace, 0.0, link);
+ }
+}
/************
* Resource *
************/
-NetworkCm02LinkLmm::NetworkCm02LinkLmm(NetworkCm02ModelPtr model, const char *name, xbt_dict_t props,
+NetworkCm02Link::NetworkCm02Link(NetworkCm02Model *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,
+ sg_future_evt_set_t fes,
+ int initiallyOn,
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),
- NetworkLinkLmm(lmm_constraint_new(system, this, constraint_value), history, state_trace)
+: Link(model, name, props, lmm_constraint_new(system, this, constraint_value), fes, state_trace)
{
- m_stateCurrent = state_init;
+ if (initiallyOn)
+ turnOn();
+ else
+ turnOff();
- p_power.scale = 1.0;
- p_power.peak = metric_peak;
+ p_speed.scale = 1.0;
+ p_speed.peak = metric_peak;
if (metric_trace)
- p_power.event = tmgr_history_add_trace(history, metric_trace, 0.0, 0, static_cast<ResourcePtr>(this));
+ p_speed.event = fes->add_trace(metric_trace, 0.0, this);
else
- p_power.event = NULL;
+ p_speed.event = NULL;
m_latCurrent = lat_initial;
if (lat_trace)
- p_latEvent = tmgr_history_add_trace(history, lat_trace, 0.0, 0, static_cast<ResourcePtr>(this));
+ p_latEvent = fes->add_trace(lat_trace, 0.0, this);
if (policy == SURF_LINK_FATPIPE)
- lmm_constraint_shared(constraint());
+ lmm_constraint_shared(getConstraint());
}
-void NetworkCm02LinkLmm::updateState(tmgr_trace_event_t event_type,
+void NetworkCm02Link::updateState(tmgr_trace_iterator_t triggered,
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(getModel()->getMaxminSystem(),
- constraint(),
- 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(), constraint(), &elem))) {
- action = (NetworkCm02ActionLmmPtr) lmm_variable_id(var);
- action->m_weight += delta;
- if (!action->isSuspended())
- lmm_update_variable_weight(getModel()->getMaxminSystem(), action->getVariable(), 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(getModel()->getMaxminSystem(), 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(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);
- }
- if (tmgr_trace_event_free(event_type))
- p_latEvent = NULL;
- } else if (event_type == p_stateEvent) {
+ /* Find out which of my iterators was triggered, and react accordingly */
+ if (triggered == p_speed.event) {
+ updateBandwidth(value, date);
+ tmgr_trace_event_unref(&p_speed.event);
+ } else if (triggered == p_latEvent) {
+ updateLatency(value, date);
+ tmgr_trace_event_unref(&p_latEvent);
+ } else if (triggered == p_stateEvent) {
if (value > 0)
- m_stateCurrent = SURF_RESOURCE_ON;
+ turnOn();
else {
- lmm_constraint_t cnst = constraint();
lmm_variable_t var = NULL;
lmm_element_t elem = NULL;
- m_stateCurrent = SURF_RESOURCE_OFF;
- while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), cnst, &elem))) {
- ActionPtr action = (ActionPtr) lmm_variable_id(var);
+ turnOff();
+ while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) {
+ Action *action = static_cast<Action*>( lmm_variable_id(var) );
if (action->getState() == SURF_ACTION_RUNNING ||
action->getState() == SURF_ACTION_READY) {
}
}
}
- if (tmgr_trace_event_free(event_type))
- p_stateEvent = NULL;
+ tmgr_trace_event_unref(&p_stateEvent);
} else {
- XBT_CRITICAL("Unknown event ! \n");
- xbt_abort();
+ xbt_die("Unknown event!\n");
}
XBT_DEBUG
- ("There were a resource state event, need to update actions related to the constraint (%p)",
- constraint());
- return;
+ ("There was a resource state event, need to update actions related to the constraint (%p)",
+ getConstraint());
+}
+
+void NetworkCm02Link::updateBandwidth(double value, double date){
+ double delta = sg_weight_S_parameter / value - sg_weight_S_parameter /
+ (p_speed.peak * p_speed.scale);
+ lmm_variable_t var = NULL;
+ lmm_element_t elem = NULL;
+ lmm_element_t nextelem = NULL;
+ int numelem = 0;
+
+ NetworkCm02Action *action = NULL;
+
+ p_speed.peak = value;
+ lmm_update_constraint_bound(getModel()->getMaxminSystem(),
+ getConstraint(),
+ sg_bandwidth_factor *
+ (p_speed.peak * p_speed.scale));
+ TRACE_surf_link_set_bandwidth(date, getName(), sg_bandwidth_factor * p_speed.peak * p_speed.scale);
+ if (sg_weight_S_parameter > 0) {
+ while ((var = lmm_get_var_from_cnst_safe(getModel()->getMaxminSystem(), getConstraint(), &elem, &nextelem, &numelem))) {
+ action = (NetworkCm02Action*) 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;
+ lmm_element_t nextelem = NULL;
+ int numelem = 0;
+ NetworkCm02Action *action = NULL;
+
+ m_latCurrent = value;
+ while ((var = lmm_get_var_from_cnst_safe(getModel()->getMaxminSystem(), getConstraint(), &elem, &nextelem, &numelem))) {
+ action = (NetworkCm02Action*) 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(),
+ std::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);
+ }
}
/**********
* Action *
**********/
-void NetworkCm02ActionLmm::updateRemainingLazy(double now)
+void NetworkCm02Action::updateRemainingLazy(double now)
{
double delta = 0.0;
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 was %f, last_update was: %f", this, m_remains, m_lastUpdate);
+ double_update(&(m_remains), m_lastValue * delta, sg_maxmin_precision*sg_surf_precision);
- XBT_DEBUG("Updating action(%p): remains is now %lf", this, m_remains);
+ XBT_DEBUG("Updating action(%p): remains is now %f", this, m_remains);
}
if (m_maxDuration != NO_MAX_DURATION)
- double_update(&m_maxDuration, delta);
+ double_update(&m_maxDuration, delta, sg_surf_precision);
if (m_remains <= 0 &&
(lmm_get_variable_weight(getVariable()) > 0)) {
m_lastUpdate = now;
m_lastValue = lmm_variable_getvalue(getVariable());
}
-void NetworkCm02ActionLmm::recycle()
-{
- return;
-}
+}
+}