X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/30e93357d63b0846afb6a60db2004b6761607103..HEAD:/src/surf/network_interface.cpp diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp deleted file mode 100644 index c57f111915..0000000000 --- a/src/surf/network_interface.cpp +++ /dev/null @@ -1,242 +0,0 @@ -/* 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.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"); - -namespace simgrid { -namespace kernel { -namespace resource { - -/* List of links */ -std::unordered_map* LinkImpl::links = new std::unordered_map(); - -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(); -} -void LinkImpl::linksList(std::vector* linkList) -{ - for (auto const& kv : *links) { - linkList->push_back(&kv.second->piface_); - } -} - -/** @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; -} -/** @brief destructor of the static data */ -void LinkImpl::linksExit() -{ - for (auto const& kv : *links) - (kv.second)->destroy(); - delete links; -} -} -} -} // namespace simgrid - -/********* - * Model * - *********/ - -simgrid::kernel::resource::NetworkModel* surf_network_model = nullptr; - -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::~NetworkModel() = default; - -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::next_occuring_event_full(double now) -{ - double minRes = Model::next_occuring_event_full(now); - - for (Action const& action : *get_running_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); - - 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 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::on_destruction(this->piface_); - delete this; - } -} - -bool LinkImpl::is_used() -{ - return get_model()->get_maxmin_system()->constraint_used(get_constraint()); -} - -double LinkImpl::latency() -{ - return latency_.peak * latency_.scale; -} - -double LinkImpl::bandwidth() -{ - return bandwidth_.peak * bandwidth_.scale; -} - -s4u::Link::SharingPolicy LinkImpl::sharingPolicy() -{ - 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_); - } -} - -void LinkImpl::on_bandwidth_change() -{ - s4u::Link::on_bandwidth_change(this->piface_); -} - -void LinkImpl::setStateTrace(tmgr_trace_t trace) -{ - xbt_assert(stateEvent_ == nullptr, "Cannot set a second state trace to Link %s", get_cname()); - 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", get_cname()); - 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", get_cname()); - latency_.event = future_evt_set->add_trace(trace, this); -} - -/********** - * 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); -} - -/** @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_ */