X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3080c6b0d097d6b3b7d5b3dda0592154ce438f64..38fa7b2d3e69aa9aa4957b2b847bec34bc1096ac:/src/surf/network_interface.cpp diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp index 63f13561a8..6a0a74a6b7 100644 --- a/src/surf/network_interface.cpp +++ b/src/surf/network_interface.cpp @@ -1,172 +1,257 @@ -/* Copyright (c) 2013-2014. The SimGrid Team. +/* 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 + #include "network_interface.hpp" #include "simgrid/sg_config.h" #ifndef NETWORK_INTERFACE_CPP_ #define NETWORK_INTERFACE_CPP_ -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, - "Logging specific to the SURF network module"); - -/************* - * Callbacks * - *************/ - -surf_callback(void, NetworkLinkPtr) networkLinkCreatedCallbacks; -surf_callback(void, NetworkLinkPtr) networkLinkDestructedCallbacks; -surf_callback(void, NetworkLinkPtr, e_surf_resource_state_t, e_surf_resource_state_t) networkLinkStateChangedCallbacks; -surf_callback(void, NetworkActionPtr, e_surf_action_state_t, e_surf_action_state_t) networkActionStateChangedCallbacks; -surf_callback(void, NetworkActionPtr, RoutingEdgePtr src, RoutingEdgePtr 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->createNetworkLink(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->createNetworkLink(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->createNetworkLink(link->id, - link->bandwidth, - link->bandwidth_trace, - link->latency, - link->latency_trace, - link->state, - link->state_trace, link->policy, link->properties); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network, surf, "Logging specific to the SURF network module"); + +/********* + * C API * + *********/ + +extern "C" { + + 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_count() { + return Link::linksCount(); + } + Link** sg_link_list() { + return Link::linksList(); + } + void sg_link_exit() { + Link::linksExit(); + } + } -void net_add_traces(){ - surf_network_model->addTraces(); +/***************** + * List of links * + *****************/ + +namespace simgrid { + namespace surf { + + std::unordered_map *Link::links = new std::unordered_map(); + Link *Link::byName(const char* name) { + if (links->find(name) == links->end()) + return nullptr; + return links->at(name); + } + /** @brief Returns the amount of links in the platform */ + int Link::linksCount() { + 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) + (kv.second)->destroy(); + delete links; + } + + /************* + * Callbacks * + *************/ + + simgrid::xbt::signal Link::onCreation; + simgrid::xbt::signal Link::onDestruction; + simgrid::xbt::signal Link::onStateChange; + + simgrid::xbt::signal networkActionStateChangedCallbacks; + simgrid::xbt::signal Link::onCommunicate; + + } } /********* * Model * *********/ -NetworkModelPtr surf_network_model = NULL; +simgrid::surf::NetworkModel *surf_network_model = nullptr; -double NetworkModel::latencyFactor(double /*size*/) { - return sg_latency_factor; -} +namespace simgrid { + namespace surf { -double NetworkModel::bandwidthFactor(double /*size*/) { - return sg_bandwidth_factor; -} + NetworkModel::~NetworkModel() + { + lmm_system_free(maxminSystem_); + xbt_heap_free(actionHeap_); + delete modifiedSet_; + } -double NetworkModel::bandwidthConstraint(double rate, double /*bound*/, double /*size*/) { - return rate; -} + double NetworkModel::latencyFactor(double /*size*/) { + return sg_latency_factor; + } -double NetworkModel::shareResourcesFull(double now) -{ - NetworkActionPtr action = NULL; - ActionListPtr runningActions = surf_network_model->getRunningActionSet(); - double minRes; + 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) + { + ActionList *runningActions = surf_network_model->getRunningActionSet(); + double minRes = shareResourcesMaxMin(runningActions, surf_network_model->maxminSystem_, surf_network_model->f_networkSolve); + + for(ActionList::iterator it(runningActions->begin()), itend(runningActions->end()) + ; it != itend ; ++it) { + NetworkAction *action = static_cast(&*it); + if (action->latency_ > 0) + minRes = (minRes < 0) ? action->latency_ : std::min(minRes, action->latency_); + } - minRes = shareResourcesMaxMin(runningActions, surf_network_model->p_maxminSystem, surf_network_model->f_networkSolve); + XBT_DEBUG("Min of share resources %f", minRes); - 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; + return minRes; } -#endif - if (action->m_latency > 0) { - minRes = (minRes < 0) ? action->m_latency : min(minRes, action->m_latency); + + /************ + * Resource * + ************/ + + Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props) + : Resource(model, name), + PropertyHolder(props) + { + links->insert({name, this}); + + m_latency.scale = 1; + m_bandwidth.scale = 1; + XBT_DEBUG("Create link '%s'",name); } - } - XBT_DEBUG("Min of share resources %f", minRes); + Link::Link(simgrid::surf::NetworkModel *model, const char *name, xbt_dict_t props, lmm_constraint_t constraint) + : Resource(model, name, constraint), + PropertyHolder(props) + { + if (strcmp(name,"__loopback__")) + xbt_assert(!Link::byName(name), "Link '%s' declared several times in the platform.", name); - return minRes; -} + m_latency.scale = 1; + m_bandwidth.scale = 1; -/************ - * Resource * - ************/ + links->insert({name, this}); + XBT_DEBUG("Create link '%s'",name); -NetworkLink::NetworkLink(NetworkModelPtr model, const char *name, xbt_dict_t props) -: Resource(model, name, props) -, p_latEvent(NULL) -{ - surf_callback_emit(networkLinkCreatedCallbacks, this); -} + } -NetworkLink::NetworkLink(NetworkModelPtr 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) -{ - surf_callback_emit(networkLinkCreatedCallbacks, this); - if (state_trace) - p_stateEvent = tmgr_history_add_trace(history, state_trace, 0.0, 0, this); -} + /** @brief use destroy() instead of this destructor */ + Link::~Link() { + xbt_assert(currentlyDestroying_, "Don't delete Links directly. Call destroy() instead."); + } + /** @brief Fire the require callbacks and destroy the object + * + * Don't delete directly an Link, call l->destroy() instead. + */ + void Link::destroy() + { + if (!currentlyDestroying_) { + currentlyDestroying_ = true; + onDestruction(this); + delete this; + } + } -NetworkLink::~NetworkLink() -{ - surf_callback_emit(networkLinkDestructedCallbacks, this); -} + bool Link::isUsed() + { + return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint()); + } -bool NetworkLink::isUsed() -{ - return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint()); -} + double Link::getLatency() + { + return m_latency.peak * m_latency.scale; + } -double NetworkLink::getLatency() -{ - return m_latCurrent; -} + double Link::getBandwidth() + { + return m_bandwidth.peak * m_bandwidth.scale; + } -double NetworkLink::getBandwidth() -{ - return p_power.peak * p_power.scale; -} + int Link::sharingPolicy() + { + return lmm_constraint_sharing_policy(getConstraint()); + } -bool NetworkLink::isShared() -{ - return lmm_constraint_is_shared(getConstraint()); -} + void Link::turnOn(){ + if (isOff()) { + Resource::turnOn(); + onStateChange(this); + } + } + void Link::turnOff(){ + if (isOn()) { + Resource::turnOff(); + onStateChange(this); + } + } + void Link::setStateTrace(tmgr_trace_t trace) { + xbt_assert(m_stateEvent==nullptr,"Cannot set a second state trace to Link %s", getName()); + m_stateEvent = future_evt_set->add_trace(trace, 0.0, this); + } + void Link::setBandwidthTrace(tmgr_trace_t trace) + { + xbt_assert(m_bandwidth.event==nullptr,"Cannot set a second bandwidth trace to Link %s", getName()); + m_bandwidth.event = future_evt_set->add_trace(trace, 0.0, this); + } + void Link::setLatencyTrace(tmgr_trace_t trace) + { + xbt_assert(m_latency.event==nullptr,"Cannot set a second latency trace to Link %s", getName()); + m_latency.event = future_evt_set->add_trace(trace, 0.0, this); + } -void NetworkLink::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); -} -/********** - * Action * - **********/ + /********** + * Action * + **********/ + + void NetworkAction::setState(Action::State state){ + Action::State old = getState(); + Action::setState(state); + networkActionStateChangedCallbacks(this, old, state); + } -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); + } } #endif /* NETWORK_INTERFACE_CPP_ */