1 /* Copyright (c) 2004-2015. 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 "src/internal_config.h"
8 #include "surf_private.h"
9 #include "surf_interface.hpp"
10 #include "network_interface.hpp"
11 #include "cpu_interface.hpp"
12 #include "src/surf/HostImpl.hpp"
13 #include "src/simix/smx_host_private.h"
14 #include "surf_routing.hpp"
15 #include "simgrid/sg_config.h"
17 #include "virtual_machine.hpp"
18 #include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
19 #include "simgrid/s4u/engine.hpp"
21 XBT_LOG_NEW_CATEGORY(surf, "All SURF categories");
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)");
28 /* model_list_invoke contains only surf_host and surf_vm.
29 * The callback functions of cpu_model and network_model will be called from those of these host models. */
30 xbt_dynar_t all_existing_models = NULL; /* to destroy models correctly */
31 xbt_dynar_t model_list_invoke = NULL; /* to invoke callbacks */
33 simgrid::trace_mgr::future_evt_set *future_evt_set = nullptr;
34 xbt_dynar_t surf_path = NULL;
35 xbt_dynar_t host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
36 xbt_dict_t watched_hosts_lib;
41 simgrid::xbt::signal<void(void)> surfExitCallbacks;
46 #include <simgrid/plugins/energy.h> // FIXME: this plugin should not be linked to the core
48 s_surf_model_description_t surf_plugin_description[] = {
49 {"Energy", "Cpu energy consumption.", sg_energy_plugin_init},
50 {NULL, NULL, NULL} /* this array must be NULL terminated */
53 /* Don't forget to update the option description in smx_config when you change this */
54 s_surf_model_description_t surf_network_model_description[] = {
55 {"LV08", "Realistic network analytic model (slow-start modeled by multiplying latency by 10.4, bandwidth by .92; bottleneck sharing uses a payload of S=8775 for evaluating RTT). ",
56 surf_network_model_init_LegrandVelho},
58 "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
59 surf_network_model_init_Constant},
60 {"SMPI", "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
61 surf_network_model_init_SMPI},
62 {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model",
63 surf_network_model_init_IB},
64 {"CM02", "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
65 surf_network_model_init_CM02},
67 {"NS3", "Network pseudo-model using the NS3 tcp model instead of an analytic model", surf_network_model_init_NS3},
69 {"Reno", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
70 surf_network_model_init_Reno},
71 {"Reno2", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
72 surf_network_model_init_Reno2},
73 {"Vegas", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
74 surf_network_model_init_Vegas},
75 {NULL, NULL, NULL} /* this array must be NULL terminated */
78 s_surf_model_description_t surf_cpu_model_description[] = {
79 {"Cas01", "Simplistic CPU model (time=size/power).", surf_cpu_model_init_Cas01},
80 {NULL, NULL, NULL} /* this array must be NULL terminated */
83 s_surf_model_description_t surf_host_model_description[] = {
84 {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", surf_host_model_init_current_default},
85 {"compound", "Host model that is automatically chosen if you change the network and CPU models", surf_host_model_init_compound},
86 {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", surf_host_model_init_ptask_L07},
87 {NULL, NULL, NULL} /* this array must be NULL terminated */
90 s_surf_model_description_t surf_vm_model_description[] = {
91 {"default", "Default vm model.", surf_vm_model_init_HL13},
92 {NULL, NULL, NULL} /* this array must be NULL terminated */
95 s_surf_model_description_t surf_optimization_mode_description[] = {
96 {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining).", NULL},
97 {"TI", "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).", NULL},
98 {"Full", "Full update of remaining and variables. Slow but may be useful when debugging.", NULL},
99 {NULL, NULL, NULL} /* this array must be NULL terminated */
102 s_surf_model_description_t surf_storage_model_description[] = {
103 {"default", "Simplistic storage model.", surf_storage_model_init_default},
104 {NULL, NULL, NULL} /* this array must be NULL terminated */
107 #if HAVE_THREAD_CONTEXTS
108 static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
113 double surf_get_clock(void)
119 # define FILE_DELIM "\\"
121 # define FILE_DELIM "/" /* FIXME: move to better location */
124 FILE *surf_fopen(const char *name, const char *mode)
127 char *path_elm = NULL;
133 if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
134 return fopen(name, mode);
136 /* search relative files in the path */
137 xbt_dynar_foreach(surf_path, cpt, path_elm) {
138 buff = bprintf("%s" FILE_DELIM "%s", path_elm, name);
139 file = fopen(buff, mode);
151 static const char *disk_drives_letter_table[MAX_DRIVE] = {
152 "A:\\","B:\\","C:\\","D:\\","E:\\","F:\\","G:\\","H:\\","I:\\","J:\\","K:\\","L:\\","M:\\",
153 "N:\\","O:\\","P:\\","Q:\\","R:\\","S:\\","T:\\","U:\\","V:\\","W:\\","X:\\","Y:\\","Z:\\"
158 * Returns the initial path. On Windows the initial path is
159 * the current directory for the current process in the other
160 * case the function returns "./" that represents the current
161 * directory on Unix/Linux platforms.
164 const char *__surf_get_initial_path(void)
169 char current_directory[MAX_PATH + 1] = { 0 };
170 unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
171 char root[4] = { 0 };
176 strncpy(root, current_directory, 3);
178 for (i = 0; i < MAX_DRIVE; i++) {
179 if (toupper(root[0]) == disk_drives_letter_table[i][0])
180 return disk_drives_letter_table[i];
189 /* The __surf_is_absolute_file_path() returns 1 if
190 * file_path is a absolute file path, in the other
191 * case the function returns 0.
193 int __surf_is_absolute_file_path(const char *file_path)
196 WIN32_FIND_DATA wfd = { 0 };
197 HANDLE hFile = FindFirstFile(file_path, &wfd);
199 if (INVALID_HANDLE_VALUE == hFile)
205 return (file_path[0] == '/');
209 /** Displays the long description of all registered models, and quit */
210 void model_help(const char *category, s_surf_model_description_t * table)
212 printf("Long description of the %s models accepted by this simulator:\n", category);
213 for (int i = 0; table[i].name; i++)
214 printf(" %s: %s\n", table[i].name, table[i].description);
217 int find_model_description(s_surf_model_description_t * table,
221 char *name_list = NULL;
223 for (i = 0; table[i].name; i++)
224 if (!strcmp(name, table[i].name)) {
228 xbt_die("No model is valid! This is a bug.");
229 name_list = xbt_strdup(table[0].name);
230 for (i = 1; table[i].name; i++) {
231 name_list = (char *) xbt_realloc(name_list, strlen(name_list) + strlen(table[i].name) + 3);
232 strcat(name_list, ", ");
233 strcat(name_list, table[i].name);
235 xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
239 static inline void surf_storage_free(void *r)
241 delete static_cast<simgrid::surf::Storage*>(r);
244 void sg_version_check(int lib_version_major,int lib_version_minor,int lib_version_patch) {
245 if ((lib_version_major != SIMGRID_VERSION_MAJOR) || (lib_version_minor != SIMGRID_VERSION_MINOR)) {
247 "FATAL ERROR: Your program was compiled with SimGrid version %d.%d.%d, "
248 "and then linked against SimGrid %d.%d.%d. Please fix this.\n",
249 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
250 lib_version_major,lib_version_minor,lib_version_patch);
253 if (lib_version_patch != SIMGRID_VERSION_PATCH) {
255 "Warning: Your program was compiled with SimGrid version %d.%d.%d, "
256 "and then linked against SimGrid %d.%d.%d. Proceeding anyway.\n",
257 SIMGRID_VERSION_MAJOR,SIMGRID_VERSION_MINOR,SIMGRID_VERSION_PATCH,
258 lib_version_major,lib_version_minor,lib_version_patch);
262 void sg_version(int *ver_major,int *ver_minor,int *ver_patch) {
263 *ver_major = SIMGRID_VERSION_MAJOR;
264 *ver_minor = SIMGRID_VERSION_MINOR;
265 *ver_patch = SIMGRID_VERSION_PATCH;
268 void surf_init(int *argc, char **argv)
270 if (host_list != nullptr) // Already initialized
273 XBT_DEBUG("Create all Libs");
274 host_list = xbt_dict_new_homogeneous([](void*p) {
275 simgrid::s4u::Host* host = static_cast<simgrid::s4u::Host*>(p);
276 simgrid::s4u::Host::onDestruction(*host);
279 USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(NULL);
281 as_router_lib = xbt_lib_new();
282 storage_lib = xbt_lib_new();
283 storage_type_lib = xbt_lib_new();
284 file_lib = xbt_lib_new();
285 watched_hosts_lib = xbt_dict_new_homogeneous(NULL);
288 XBT_DEBUG("Add routing levels");
289 ROUTING_PROP_ASR_LEVEL = xbt_lib_add_level(as_router_lib, NULL);
291 XBT_DEBUG("Add SURF levels");
292 simgrid::surf::HostImpl::classInit();
293 SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free);
295 xbt_init(argc, argv);
296 if (!all_existing_models)
297 all_existing_models = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
298 if (!model_list_invoke)
299 model_list_invoke = xbt_dynar_new(sizeof(simgrid::surf::Model*), NULL);
301 future_evt_set = new simgrid::trace_mgr::future_evt_set();
303 TRACE_add_start_function(TRACE_surf_alloc);
304 TRACE_add_end_function(TRACE_surf_release);
306 sg_config_init(argc, argv);
315 simgrid::surf::Model *model = NULL;
317 TRACE_end(); /* Just in case it was not called by the upper
318 * layer (or there is no upper layer) */
320 sg_config_finalize();
322 xbt_dynar_free(&host_that_restart);
323 xbt_dynar_free(&surf_path);
325 xbt_dict_free(&host_list);
326 xbt_lib_free(&as_router_lib);
327 xbt_lib_free(&storage_lib);
329 xbt_lib_free(&storage_type_lib);
330 xbt_lib_free(&file_lib);
331 xbt_dict_free(&watched_hosts_lib);
333 xbt_dynar_foreach(all_existing_models, iter, model)
335 xbt_dynar_free(&all_existing_models);
336 xbt_dynar_free(&model_list_invoke);
339 simgrid::surf::surfExitCallbacks();
341 if (future_evt_set) {
342 delete future_evt_set;
343 future_evt_set = nullptr;
346 #if HAVE_THREAD_CONTEXTS
347 xbt_parmap_destroy(surf_parmap);
352 simgrid::s4u::Engine::shutdown();
354 NOW = 0; /* Just in case the user plans to restart the simulation afterward */
365 : maxminSystem_(NULL)
367 readyActionSet_ = new ActionList();
368 runningActionSet_ = new ActionList();
369 failedActionSet_ = new ActionList();
370 doneActionSet_ = new ActionList();
374 updateMechanism_ = UM_UNDEFINED;
375 selectiveUpdate_ = 0;
379 delete readyActionSet_;
380 delete runningActionSet_;
381 delete failedActionSet_;
382 delete doneActionSet_;
385 double Model::next_occuring_event(double now)
387 //FIXME: set the good function once and for all
388 if (updateMechanism_ == UM_LAZY)
389 return next_occuring_event_lazy(now);
390 else if (updateMechanism_ == UM_FULL)
391 return next_occuring_event_full(now);
393 xbt_die("Invalid cpu update mechanism!");
396 double Model::next_occuring_event_lazy(double now)
398 Action *action = NULL;
403 ("Before share resources, the size of modified actions set is %zd",
404 modifiedSet_->size());
406 lmm_solve(maxminSystem_);
409 ("After share resources, The size of modified actions set is %zd",
410 modifiedSet_->size());
412 while(!modifiedSet_->empty()) {
413 action = &(modifiedSet_->front());
414 modifiedSet_->pop_front();
415 int max_dur_flag = 0;
417 if (action->getStateSet() != runningActionSet_)
420 /* bogus priority, skip it */
421 if (action->getPriority() <= 0 || action->getHat()==LATENCY)
424 action->updateRemainingLazy(now);
427 share = lmm_variable_getvalue(action->getVariable());
430 double time_to_completion;
431 if (action->getRemains() > 0) {
432 time_to_completion = action->getRemainsNoUpdate() / share;
434 time_to_completion = 0.0;
436 min = now + time_to_completion; // when the task will complete if nothing changes
439 if ((action->getMaxDuration() != NO_MAX_DURATION)
441 || action->getStartTime() +
442 action->getMaxDuration() < min)) {
443 min = action->getStartTime() +
444 action->getMaxDuration(); // when the task will complete anyway because of the deadline if any
449 XBT_DEBUG("Action(%p) corresponds to variable %d", action, action->getVariable()->id_int);
451 XBT_DEBUG("Action(%p) Start %f. May finish at %f (got a share of %f). Max_duration %f", action,
452 action->getStartTime(), min, share,
453 action->getMaxDuration());
456 action->heapUpdate(actionHeap_, min, max_dur_flag ? MAX_DURATION : NORMAL);
457 XBT_DEBUG("Insert at heap action(%p) min %f now %f", action, min,
459 } else DIE_IMPOSSIBLE;
462 //hereafter must have already the min value for this resource model
463 if (xbt_heap_size(actionHeap_) > 0)
464 min = xbt_heap_maxkey(actionHeap_) - now;
468 XBT_DEBUG("The minimum with the HEAP %f", min);
473 double Model::next_occuring_event_full(double /*now*/) {
477 double Model::shareResourcesMaxMin(ActionList *running_actions,
479 void (*solve) (lmm_system_t))
481 Action *action = NULL;
487 ActionList::iterator it(running_actions->begin()), itend(running_actions->end());
488 for(; it != itend ; ++it) {
490 value = lmm_variable_getvalue(action->getVariable());
491 if ((value > 0) || (action->getMaxDuration() >= 0))
499 if (action->getRemains() > 0)
500 min = action->getRemainsNoUpdate() / value;
503 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min))
504 min = action->getMaxDuration();
506 min = action->getMaxDuration();
509 for (++it; it != itend; ++it) {
511 value = lmm_variable_getvalue(action->getVariable());
513 if (action->getRemains() > 0)
514 value = action->getRemainsNoUpdate() / value;
519 XBT_DEBUG("Updating min (value) with %p: %f", action, min);
522 if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) {
523 min = action->getMaxDuration();
524 XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
527 XBT_DEBUG("min value : %f", min);
532 void Model::updateActionsState(double now, double delta)
534 if (updateMechanism_ == UM_FULL)
535 updateActionsStateFull(now, delta);
536 else if (updateMechanism_ == UM_LAZY)
537 updateActionsStateLazy(now, delta);
539 xbt_die("Invalid cpu update mechanism!");
542 void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)
547 void Model::updateActionsStateFull(double /*now*/, double /*delta*/)
562 Resource::Resource(Model *model, const char *name)
563 : name_(xbt_strdup(name))
567 Resource::Resource(Model *model, const char *name, lmm_constraint_t constraint)
568 : name_(xbt_strdup(name))
570 , constraint_(constraint)
573 Resource::~Resource() {
574 xbt_free((void*)name_);
577 bool Resource::isOn() const {
580 bool Resource::isOff() const {
584 void Resource::turnOn()
589 void Resource::turnOff()
594 Model *Resource::getModel() const {
598 const char *Resource::getName() const {
602 bool Resource::operator==(const Resource &other) const {
603 return strcmp(name_, other.name_);
606 lmm_constraint_t Resource::getConstraint() const {
617 const char *surf_action_state_names[6] = {
619 "SURF_ACTION_RUNNING",
620 "SURF_ACTION_FAILED",
622 "SURF_ACTION_TO_FREE",
623 "SURF_ACTION_NOT_IN_THE_SYSTEM"
626 /* added to manage the communication action's heap */
627 void surf_action_lmm_update_index_heap(void *action, int i) {
628 static_cast<simgrid::surf::Action*>(action)->updateIndexHeap(i);
634 void Action::initialize(simgrid::surf::Model *model, double cost, bool failed,
638 start_ = surf_get_clock();
643 stateSet_ = getModel()->getFailedActionSet();
645 stateSet_ = getModel()->getRunningActionSet();
647 stateSet_->push_back(*this);
650 Action::Action(simgrid::surf::Model *model, double cost, bool failed)
652 initialize(model, cost, failed);
655 Action::Action(simgrid::surf::Model *model, double cost, bool failed, lmm_variable_t var)
657 initialize(model, cost, failed, var);
664 void Action::finish() {
665 finishTime_ = surf_get_clock();
668 Action::State Action::getState()
670 if (stateSet_ == getModel()->getReadyActionSet())
671 return Action::State::ready;
672 if (stateSet_ == getModel()->getRunningActionSet())
673 return Action::State::running;
674 if (stateSet_ == getModel()->getFailedActionSet())
675 return Action::State::failed;
676 if (stateSet_ == getModel()->getDoneActionSet())
677 return Action::State::done;
678 return Action::State::not_in_the_system;
681 void Action::setState(Action::State state)
683 stateSet_->erase(stateSet_->iterator_to(*this));
685 case Action::State::ready:
686 stateSet_ = getModel()->getReadyActionSet();
688 case Action::State::running:
689 stateSet_ = getModel()->getRunningActionSet();
691 case Action::State::failed:
692 stateSet_ = getModel()->getFailedActionSet();
694 case Action::State::done:
695 stateSet_ = getModel()->getDoneActionSet();
702 stateSet_->push_back(*this);
705 double Action::getBound()
707 return (variable_) ? lmm_variable_getbound(variable_) : 0;
710 void Action::setBound(double bound)
712 XBT_IN("(%p,%g)", this, bound);
714 lmm_update_variable_bound(getModel()->getMaxminSystem(), variable_, bound);
716 if (getModel()->getUpdateMechanism() == UM_LAZY && getLastUpdate()!=surf_get_clock())
717 heapRemove(getModel()->getActionHeap());
721 double Action::getStartTime()
726 double Action::getFinishTime()
728 /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
729 return remains_ == 0 ? finishTime_ : -1;
732 void Action::setData(void* data)
737 void Action::setCategory(const char *category)
739 XBT_IN("(%p,%s)", this, category);
740 category_ = xbt_strdup(category);
748 void Action::setMaxDuration(double duration)
750 XBT_IN("(%p,%g)", this, duration);
751 maxDuration_ = duration;
752 if (getModel()->getUpdateMechanism() == UM_LAZY) // remove action from the heap
753 heapRemove(getModel()->getActionHeap());
757 void Action::gapRemove() {}
759 void Action::setPriority(double priority)
761 XBT_IN("(%p,%g)", this, priority);
762 priority_ = priority;
763 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority);
765 if (getModel()->getUpdateMechanism() == UM_LAZY)
766 heapRemove(getModel()->getActionHeap());
770 void Action::cancel(){
771 setState(Action::State::failed);
772 if (getModel()->getUpdateMechanism() == UM_LAZY) {
773 if (action_lmm_hook.is_linked())
774 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
775 heapRemove(getModel()->getActionHeap());
782 if (action_hook.is_linked())
783 stateSet_->erase(stateSet_->iterator_to(*this));
785 lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
786 if (getModel()->getUpdateMechanism() == UM_LAZY) {
787 /* remove from heap */
788 heapRemove(getModel()->getActionHeap());
789 if (action_lmm_hook.is_linked())
790 getModel()->getModifiedSet()->erase(getModel()->getModifiedSet()->iterator_to(*this));
798 void Action::suspend()
800 XBT_IN("(%p)", this);
801 if (suspended_ != 2) {
802 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), 0.0);
804 if (getModel()->getUpdateMechanism() == UM_LAZY)
805 heapRemove(getModel()->getActionHeap());
810 void Action::resume()
812 XBT_IN("(%p)", this);
813 if (suspended_ != 2) {
814 lmm_update_variable_weight(getModel()->getMaxminSystem(), getVariable(), priority_);
816 if (getModel()->getUpdateMechanism() == UM_LAZY)
817 heapRemove(getModel()->getActionHeap());
822 bool Action::isSuspended()
824 return suspended_ == 1;
826 /* insert action on heap using a given key and a hat (heap_action_type)
827 * a hat can be of three types for communications:
829 * NORMAL = this is a normal heap entry stating the date to finish transmitting
830 * LATENCY = this is a heap entry to warn us when the latency is payed
831 * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
833 void Action::heapInsert(xbt_heap_t heap, double key, enum heap_action_type hat)
836 xbt_heap_push(heap, this, key);
839 void Action::heapRemove(xbt_heap_t heap)
842 if (indexHeap_ >= 0) {
843 xbt_heap_remove(heap, indexHeap_);
847 void Action::heapUpdate(xbt_heap_t heap, double key, enum heap_action_type hat)
850 if (indexHeap_ >= 0) {
851 xbt_heap_update(heap, indexHeap_, key);
853 xbt_heap_push(heap, this, key);
857 void Action::updateIndexHeap(int i) {
861 double Action::getRemains()
863 XBT_IN("(%p)", this);
864 /* update remains before return it */
865 if (getModel()->getUpdateMechanism() == UM_LAZY) /* update remains before return it */
866 updateRemainingLazy(surf_get_clock());
871 double Action::getRemainsNoUpdate()
876 //FIXME split code in the right places
877 void Action::updateRemainingLazy(double now)
881 if(getModel() == surf_network_model)
888 xbt_assert(stateSet_ == getModel()->getRunningActionSet(), "You're updating an action that is not running.");
889 xbt_assert(priority_ > 0, "You're updating an action that seems suspended.");
892 delta = now - lastUpdate_;
895 XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, remains_, lastUpdate_);
896 double_update(&remains_, lastValue_ * delta, sg_surf_precision*sg_maxmin_precision);
898 if (getModel() == surf_cpu_model_pm && TRACE_is_enabled()) {
899 simgrid::surf::Resource *cpu = static_cast<simgrid::surf::Resource*>(
900 lmm_constraint_id(lmm_get_cnst_from_var(getModel()->getMaxminSystem(), getVariable(), 0)));
901 TRACE_surf_host_set_utilization(cpu->getName(), getCategory(), lastValue_, lastUpdate_, now - lastUpdate_);
903 XBT_DEBUG("Updating action(%p): remains is now %f", this, remains_);
906 if(getModel() == surf_network_model)
908 if (maxDuration_ != NO_MAX_DURATION)
909 double_update(&maxDuration_, delta, sg_surf_precision);
911 //FIXME: duplicated code
912 if ((remains_ <= 0) &&
913 (lmm_get_variable_weight(getVariable()) > 0)) {
915 setState(Action::State::done);
916 heapRemove(getModel()->getActionHeap());
917 } else if (((maxDuration_ != NO_MAX_DURATION)
918 && (maxDuration_ <= 0))) {
920 setState(Action::State::done);
921 heapRemove(getModel()->getActionHeap());
926 lastValue_ = lmm_variable_getvalue(getVariable());