X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6270ece7967b322385bbff766ee5f882ba1ef2a2..d8eb62b207b566949a0d9ce649a7b21e226b9168:/src/surf/network_interface.cpp diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp index 3daac06b85..3c2dd98bfa 100644 --- a/src/surf/network_interface.cpp +++ b/src/surf/network_interface.cpp @@ -1,171 +1,66 @@ -/* Copyright (c) 2013-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2013-2018. 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 "network_interface.hpp" -#include "simgrid/sg_config.h" +#include "simgrid/s4u/Engine.hpp" +#include "simgrid/sg_config.hpp" +#include "src/surf/surf_interface.hpp" +#include "surf/surf.hpp" #ifndef NETWORK_INTERFACE_CPP_ #define NETWORK_INTERFACE_CPP_ -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, - "Logging specific to the SURF network module"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module"); /********* - * C API * + * Model * *********/ -SG_BEGIN_DECL() -const char* sg_link_name(Link *link) { - return link->getName(); -} -Link * sg_link_by_name(const char* name) { - return Link::byName(name); -} - -int sg_link_is_shared(Link *link){ - return link->sharingPolicy(); -} -double sg_link_bandwidth(Link *link){ - return link->getBandwidth(); -} -double sg_link_latency(Link *link){ - return link->getLatency(); -} -void* sg_link_data(Link *link) { - return link->getData(); -} -void sg_link_data_set(Link *link,void *data) { - link->setData(data); -} -int sg_link_amount(void) { - return Link::linksAmount(); -} -Link** sg_link_list(void) { - return Link::linksList(); -} -void sg_link_exit(void) { - Link::linksExit(); -} -SG_END_DECL() -/***************** - * List of links * - *****************/ - -boost::unordered_map *Link::links = new boost::unordered_map(); -Link *Link::byName(const char* name) { - Link * res = NULL; - try { - res = links->at(name); - } catch (std::out_of_range& e) {} - - return res; -} -/** @brief Returns the amount of links in the platform */ -int Link::linksAmount() { - return links->size(); -} -/** @brief Returns a list of all existing links */ -Link **Link::linksList() { - Link **res = xbt_new(Link*, (int)links->size()); - int i=0; - for (auto kv : *links) { - res[i++] = kv.second; - } - return res; -} -/** @brief destructor of the static data */ -void Link::linksExit() { - for (auto kv : *links) - delete (kv.second); - delete links; -} -/************* - * Callbacks * - *************/ - -surf_callback(void, Link*) networkLinkCreatedCallbacks; -surf_callback(void, Link*) networkLinkDestructedCallbacks; -surf_callback(void, Link*, e_surf_resource_state_t, e_surf_resource_state_t) networkLinkStateChangedCallbacks; -surf_callback(void, NetworkAction*, e_surf_action_state_t, e_surf_action_state_t) networkActionStateChangedCallbacks; -surf_callback(void, NetworkAction*, RoutingEdge *src, RoutingEdge *dst, double size, double rate) networkCommunicateCallbacks; - -void netlink_parse_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->createLink(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->createLink(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->createLink(link->id, - link->bandwidth, - link->bandwidth_trace, - link->latency, - link->latency_trace, - link->state, - link->state_trace, link->policy, link->properties); - } -} -void net_add_traces(){ - surf_network_model->addTraces(); -} +simgrid::kernel::resource::NetworkModel* surf_network_model = nullptr; -/********* - * Model * - *********/ +namespace simgrid { +namespace kernel { +namespace resource { + +/** @brief Command-line option 'network/TCP-gamma' -- see @ref options_model_network_gamma */ +simgrid::config::Flag NetworkModel::cfg_tcp_gamma( + "network/TCP-gamma", {"network/TCP_gamma"}, + "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; " + "Use the last given value, which is the max window size)", + 4194304.0); + +/** @brief Command-line option 'network/crosstraffic' -- see @ref options_model_network_crosstraffic */ +simgrid::config::Flag NetworkModel::cfg_crosstraffic( + "network/crosstraffic", + "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)", "yes"); -NetworkModel *surf_network_model = NULL; +NetworkModel::~NetworkModel() = default; -double NetworkModel::latencyFactor(double /*size*/) { +double NetworkModel::get_latency_factor(double /*size*/) +{ return sg_latency_factor; } -double NetworkModel::bandwidthFactor(double /*size*/) { +double NetworkModel::get_bandwidth_factor(double /*size*/) +{ return sg_bandwidth_factor; } -double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) { +double NetworkModel::get_bandwidth_constraint(double rate, double /*bound*/, double /*size*/) +{ return rate; } -double NetworkModel::shareResourcesFull(double now) +double NetworkModel::next_occuring_event_full(double now) { - NetworkAction *action = NULL; - ActionList *runningActions = surf_network_model->getRunningActionSet(); - double minRes; + double minRes = Model::next_occuring_event_full(now); - minRes = shareResourcesMaxMin(runningActions, surf_network_model->p_maxminSystem, surf_network_model->f_networkSolve); - - for(ActionList::iterator it(runningActions->begin()), itend(runningActions->end()) - ; it != itend ; ++it) { - action = static_cast(&*it); -#ifdef HAVE_LATENCY_BOUND_TRACKING - if (lmm_is_variable_limited_by_latency(action->getVariable())) { - action->m_latencyLimited = 1; - } else { - action->m_latencyLimited = 0; - } -#endif - if (action->m_latency > 0) { - minRes = (minRes < 0) ? action->m_latency : min(minRes, action->m_latency); - } + for (Action const& action : *get_started_action_set()) { + const NetworkAction& net_action = static_cast(action); + if (net_action.latency_ > 0) + minRes = (minRes < 0) ? net_action.latency_ : std::min(minRes, net_action.latency_); } XBT_DEBUG("Min of share resources %f", minRes); @@ -177,71 +72,122 @@ double NetworkModel::shareResourcesFull(double now) * Resource * ************/ -Link::Link(NetworkModel *model, const char *name, xbt_dict_t props) -: Resource(model, name, props) -, p_latEvent(NULL) +LinkImpl::LinkImpl(NetworkModel* model, const std::string& name, lmm::Constraint* constraint) + : Resource(model, name, constraint), piface_(this) { - links->insert({name, this}); - XBT_DEBUG("Create link '%s'",name); + if (name != "__loopback__") + xbt_assert(not s4u::Link::by_name_or_null(name), "Link '%s' declared several times in the platform.", name.c_str()); + + latency_.scale = 1; + bandwidth_.scale = 1; + + s4u::Engine::get_instance()->link_register(name, &piface_); + XBT_DEBUG("Create link '%s'", name.c_str()); } -Link::Link(NetworkModel *model, const char *name, xbt_dict_t props, - lmm_constraint_t constraint, - tmgr_history_t history, - tmgr_trace_t state_trace) -: Resource(model, name, props, constraint), - p_latEvent(NULL) +/** @brief use destroy() instead of this destructor */ +LinkImpl::~LinkImpl() { - if (state_trace) - p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this); - - links->insert({name, this}); - XBT_DEBUG("Create link '%s'",name); + xbt_assert(currently_destroying_, "Don't delete Links directly. Call destroy() instead."); +} +/** @brief Fire the required callbacks and destroy the object + * + * Don't delete directly a Link, call l->destroy() instead. + */ +void LinkImpl::destroy() +{ + if (not currently_destroying_) { + currently_destroying_ = true; + s4u::Link::on_destruction(this->piface_); + delete this; + } +} +bool LinkImpl::is_used() +{ + return get_model()->get_maxmin_system()->constraint_used(get_constraint()); } -Link::~Link() +double LinkImpl::get_latency() { - surf_callback_emit(networkLinkDestructedCallbacks, this); + return latency_.peak * latency_.scale; } -bool Link::isUsed() +double LinkImpl::get_bandwidth() { - return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint()); + return bandwidth_.peak * bandwidth_.scale; } -double Link::getLatency() +s4u::Link::SharingPolicy LinkImpl::get_sharing_policy() { - return m_latCurrent; + return get_constraint()->get_sharing_policy(); } -double Link::getBandwidth() +void LinkImpl::turn_on() { - return p_power.peak * p_power.scale; + if (is_off()) { + Resource::turn_on(); + s4u::Link::on_state_change(this->piface_); + } } -int Link::sharingPolicy() +void LinkImpl::turn_off() { - return lmm_constraint_sharing_policy(getConstraint()); + if (is_on()) { + Resource::turn_off(); + s4u::Link::on_state_change(this->piface_); + } } -void Link::setState(e_surf_resource_state_t state){ - e_surf_resource_state_t old = Resource::getState(); - Resource::setState(state); - surf_callback_emit(networkLinkStateChangedCallbacks, this, old, state); +void LinkImpl::on_bandwidth_change() +{ + s4u::Link::on_bandwidth_change(this->piface_); } +void LinkImpl::set_bandwidth_trace(tmgr_trace_t trace) +{ + xbt_assert(bandwidth_.event == nullptr, "Cannot set a second bandwidth trace to Link %s", get_cname()); + bandwidth_.event = future_evt_set.add_trace(trace, this); +} +void LinkImpl::set_latency_trace(tmgr_trace_t trace) +{ + xbt_assert(latency_.event == nullptr, "Cannot set a second latency trace to Link %s", get_cname()); + latency_.event = future_evt_set.add_trace(trace, this); +} /********** * Action * **********/ -void NetworkAction::setState(e_surf_action_state_t state){ - e_surf_action_state_t old = getState(); - Action::setState(state); - surf_callback_emit(networkActionStateChangedCallbacks, this, old, state); +void NetworkAction::set_state(Action::State state) +{ + Action::State previous = get_state(); + Action::set_state(state); + if (previous != state) // Trigger only if the state changed + s4u::Link::on_communication_state_change(this, previous); +} + +/** @brief returns a list of all Links that this action is using */ +std::list NetworkAction::links() +{ + std::list retlist; + int llen = get_variable()->get_number_of_constraint(); + + for (int i = 0; i < llen; i++) { + /* Beware of composite actions: ptasks put links and cpus together */ + // extra pb: we cannot dynamic_cast from void*... + Resource* resource = static_cast(get_variable()->get_constraint(i)->get_id()); + LinkImpl* link = dynamic_cast(resource); + if (link != nullptr) + retlist.push_back(link); + } + + return retlist; +} +} +} // namespace kernel } #endif /* NETWORK_INTERFACE_CPP_ */