X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/364eee0fc6ab77fddc5437ac273527bd27711724..2d37e348a09783cda723c7019640ee69de168324:/src/surf/network_interface.cpp diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp index 0b5a2bbddd..6d2a96e063 100644 --- a/src/surf/network_interface.cpp +++ b/src/surf/network_interface.cpp @@ -1,215 +1,193 @@ -/* Copyright (c) 2013-2017. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2013-2019. 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 - #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"); +/********* + * Model * + *********/ + +simgrid::kernel::resource::NetworkModel* surf_network_model = nullptr; + namespace simgrid { - namespace surf { +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::~NetworkModel() = default; + +double NetworkModel::get_latency_factor(double /*size*/) +{ + return sg_latency_factor; +} - /* List of links */ - std::unordered_map* LinkImpl::links = new std::unordered_map(); +double NetworkModel::get_bandwidth_factor(double /*size*/) +{ + return sg_bandwidth_factor; +} - LinkImpl* LinkImpl::byName(std::string name) - { - auto link = links->find(name); - return link == links->end() ? nullptr : link->second; - } - /** @brief Returns the amount of links in the platform */ - int LinkImpl::linksCount() - { - return links->size(); +double NetworkModel::get_bandwidth_constraint(double rate, double /*bound*/, double /*size*/) +{ + return rate; +} + +double NetworkModel::next_occuring_event_full(double now) +{ + double minRes = Model::next_occuring_event_full(now); + + 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_); } - /** @brief Returns a list of all existing links */ - LinkImpl** LinkImpl::linksList() - { - LinkImpl** res = xbt_new(LinkImpl*, (int)links->size()); - int i = 0; - for (auto const& kv : *links) { - res[i] = kv.second; - i++; - } - return res; + + XBT_DEBUG("Min of share resources %f", minRes); + + return minRes; +} + +/************ + * Resource * + ************/ + +LinkImpl::LinkImpl(NetworkModel* model, const std::string& name, lmm::Constraint* constraint) + : Resource(model, name, constraint), piface_(this) +{ + + 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()); +} + +/** @brief use destroy() instead of this destructor */ +LinkImpl::~LinkImpl() +{ + 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; } - /** @brief destructor of the static data */ - void LinkImpl::linksExit() - { - for (auto const& kv : *links) - (kv.second)->destroy(); - delete links; +} + +bool LinkImpl::is_used() +{ + return get_model()->get_maxmin_system()->constraint_used(get_constraint()); +} + +double LinkImpl::get_latency() +{ + return latency_.peak * latency_.scale; +} + +double LinkImpl::get_bandwidth() +{ + return bandwidth_.peak * bandwidth_.scale; +} + +s4u::Link::SharingPolicy LinkImpl::get_sharing_policy() +{ + return get_constraint()->get_sharing_policy(); +} + +void LinkImpl::turn_on() +{ + if (is_off()) { + Resource::turn_on(); + s4u::Link::on_state_change(this->piface_); } +} + +void LinkImpl::turn_off() +{ + if (is_on()) { + Resource::turn_off(); + s4u::Link::on_state_change(this->piface_); } } -/********* - * Model * - *********/ +void LinkImpl::on_bandwidth_change() +{ + s4u::Link::on_bandwidth_change(this->piface_); +} + +void LinkImpl::set_bandwidth_profile(profile::Profile* profile) +{ + xbt_assert(bandwidth_.event == nullptr, "Cannot set a second bandwidth profile to Link %s", get_cname()); + bandwidth_.event = profile->schedule(&future_evt_set, this); +} -simgrid::surf::NetworkModel *surf_network_model = nullptr; +void LinkImpl::set_latency_profile(profile::Profile* profile) +{ + xbt_assert(latency_.event == nullptr, "Cannot set a second latency profile to Link %s", get_cname()); + latency_.event = profile->schedule(&future_evt_set, this); +} -namespace simgrid { - namespace surf { - - NetworkModel::~NetworkModel() - { - lmm_system_free(maxminSystem_); - xbt_heap_free(actionHeap_); - delete modifiedSet_; - } - - double NetworkModel::latencyFactor(double /*size*/) { - return sg_latency_factor; - } - - double NetworkModel::bandwidthFactor(double /*size*/) { - return sg_bandwidth_factor; - } - - double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) { - return rate; - } - - double NetworkModel::nextOccuringEventFull(double now) - { - double minRes = Model::nextOccuringEventFull(now); - - for(auto it(getRunningActionSet()->begin()), itend(getRunningActionSet()->end()); it != itend ; it++) { - NetworkAction *action = static_cast(&*it); - if (action->latency_ > 0) - minRes = (minRes < 0) ? action->latency_ : std::min(minRes, action->latency_); - } - - XBT_DEBUG("Min of share resources %f", minRes); - - return minRes; - } - - /************ - * Resource * - ************/ - - LinkImpl::LinkImpl(simgrid::surf::NetworkModel* model, const std::string& name, lmm_constraint_t constraint) - : Resource(model, name, constraint), piface_(this) - { - - if (name != "__loopback__") - xbt_assert(not LinkImpl::byName(name), "Link '%s' declared several times in the platform.", name.c_str()); - - latency_.scale = 1; - bandwidth_.scale = 1; - - links->insert({name, this}); - XBT_DEBUG("Create link '%s'", name.c_str()); - } - - /** @brief use destroy() instead of this destructor */ - LinkImpl::~LinkImpl() - { - xbt_assert(currentlyDestroying_, "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 currentlyDestroying_) { - currentlyDestroying_ = true; - s4u::Link::onDestruction(this->piface_); - delete this; - } - } - - bool LinkImpl::isUsed() - { - return lmm_constraint_used(model()->getMaxminSystem(), constraint()); - } - - double LinkImpl::latency() - { - return latency_.peak * latency_.scale; - } - - double LinkImpl::bandwidth() - { - return bandwidth_.peak * bandwidth_.scale; - } - - int LinkImpl::sharingPolicy() - { - return lmm_constraint_sharing_policy(constraint()); - } - - void LinkImpl::turnOn() - { - if (isOff()) { - Resource::turnOn(); - s4u::Link::onStateChange(this->piface_); - } - } - void LinkImpl::turnOff() - { - if (isOn()) { - Resource::turnOff(); - s4u::Link::onStateChange(this->piface_); - } - } - void LinkImpl::setStateTrace(tmgr_trace_t trace) - { - xbt_assert(stateEvent_ == nullptr, "Cannot set a second state trace to Link %s", getCname()); - stateEvent_ = future_evt_set->add_trace(trace, this); - } - void LinkImpl::setBandwidthTrace(tmgr_trace_t trace) - { - xbt_assert(bandwidth_.event == nullptr, "Cannot set a second bandwidth trace to Link %s", getCname()); - bandwidth_.event = future_evt_set->add_trace(trace, this); - } - void LinkImpl::setLatencyTrace(tmgr_trace_t trace) - { - xbt_assert(latency_.event == nullptr, "Cannot set a second latency trace to Link %s", getCname()); - latency_.event = future_evt_set->add_trace(trace, this); - } - - - /********** - * Action * - **********/ - - void NetworkAction::setState(Action::State state) - { - Action::setState(state); - s4u::Link::onCommunicationStateChange(this); - } - - /** @brief returns a list of all Links that this action is using */ - std::list NetworkAction::links() - { - std::list retlist; - lmm_system_t sys = getModel()->getMaxminSystem(); - int llen = lmm_get_number_of_cnst_from_var(sys, variable_); - - 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(lmm_constraint_id(lmm_get_cnst_from_var(sys, getVariable(), i))); - LinkImpl* link = dynamic_cast(resource); - if (link != nullptr) - retlist.push_back(link); - } - - return retlist; - } +/********** + * Action * + **********/ + +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_ */