X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/16f327a31af4a34da3c887299b7a406a4d9584a8..77163c152598f613abd0a938a967fcbd7a95fc8b:/src/surf/network_ns3.cpp diff --git a/src/surf/network_ns3.cpp b/src/surf/network_ns3.cpp index 6ede3c79de..e27db353d1 100644 --- a/src/surf/network_ns3.cpp +++ b/src/surf/network_ns3.cpp @@ -1,29 +1,27 @@ -/* Copyright (c) 2007-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2007-2017. 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 "xbt/config.hpp" + #include "ns3/core-module.h" #include "ns3/node.h" -#include "ns3/ns3_interface.h" #include "ns3/ns3_simulator.h" -#include "src/surf/network_ns3.hpp" +#include "network_ns3.hpp" -#include "src/surf/HostImpl.hpp" -#include "src/surf/surf_private.h" -#include "simgrid/sg_config.h" #include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals +#include "src/kernel/routing/NetPoint.hpp" -#include "simgrid/s4u/As.hpp" +#include "simgrid/s4u/Engine.hpp" +#include "simgrid/s4u/NetZone.hpp" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ns3, surf, "Logging specific to the SURF network NS3 module"); -int NS3_EXTENSION_ID; - -xbt_dynar_t IPV4addr = xbt_dynar_new(sizeof(char*),free); -static double time_to_next_flow_completion = -1; +std::vector IPV4addr; /***************** * Crude globals * @@ -42,276 +40,149 @@ static int number_of_links = 1; static int number_of_networks = 1; static int port_number = 1025; //Port number is limited from 1025 to 65 000 -static NS3Sim* ns3_sim = 0; - +simgrid::xbt::Extension NetPointNs3::EXTENSION_ID; -/************* - * Callbacks * - *************/ - -static void simgrid_ns3_add_host(simgrid::s4u::Host& host) +NetPointNs3::NetPointNs3() { - const char* id = host.name().c_str(); - XBT_DEBUG("NS3_ADD_HOST '%s'", id); - - ns3_node_t ns3host = xbt_new0(s_ns3_node_t,1); - ns3::Ptr node = ns3::CreateObject (0); + ns3::Ptr node = ns3::CreateObject(0); stack.Install(node); nodes.Add(node); - ns3host->node_num = number_of_nodes; - ns3host->type = NS3_NETWORK_ELEMENT_HOST; - number_of_nodes++; - - host.extension_set(NS3_EXTENSION_ID, ns3host); -} - -static void parse_ns3_add_link(sg_platf_link_cbarg_t link) -{ - XBT_DEBUG("NS3_ADD_LINK '%s'",link->id); - - Link *l = surf_network_model->createLink(link->id, link->bandwidth, link->latency, link->policy, link->properties); - if (link->bandwidth_trace) - l->setBandwidthTrace(link->latency_trace); - if (link->latency_trace) - l->setLatencyTrace(link->latency_trace); - if (link->state_trace) - l->setStateTrace(link->state_trace); -} -static void simgrid_ns3_add_router(simgrid::surf::NetCard* router) -{ - const char* router_id = router->name(); - XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id); - xbt_lib_set(as_router_lib, - router_id, - NS3_ASR_LEVEL, - ns3_add_router(router_id) - ); + node_num = number_of_nodes++; } -static void parse_ns3_add_AS(simgrid::s4u::As* as) -{ - const char* as_id = as->name(); - XBT_DEBUG("NS3_ADD_AS '%s'", as_id); - xbt_lib_set(as_router_lib, as_id, NS3_ASR_LEVEL, ns3_add_AS(as_id) ); -} +/************* + * Callbacks * + *************/ -#include "src/surf/xml/platf.hpp" // FIXME: move that back to the parsing area -static void parse_ns3_add_cluster(sg_platf_cluster_cbarg_t cluster) +static void clusterCreation_cb(sg_platf_cluster_cbarg_t cluster) { - const char *groups = NULL; - - int start, end, i; - unsigned int iter; - - xbt_dynar_t radical_elements; - xbt_dynar_t radical_ends; - xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL); - - char *router_id,*host_id; - - radical_elements = xbt_str_split(cluster->radical, ","); - xbt_dynar_foreach(radical_elements, iter, groups) { - radical_ends = xbt_str_split(groups, "-"); - - switch (xbt_dynar_length(radical_ends)) { - case 1: - start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *)); - xbt_dynar_push_as(tab_elements_num, int, start); - router_id = bprintf("ns3_%s%d%s", cluster->prefix, start, cluster->suffix); - simgrid::s4u::Host::by_name_or_create(router_id) - ->extension_set(NS3_EXTENSION_ID, ns3_add_host_cluster(router_id)); - XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id); - free(router_id); - break; - - case 2: - start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *)); - end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *)); - for (i = start; i <= end; i++){ - xbt_dynar_push_as(tab_elements_num, int, i); - router_id = bprintf("ns3_%s%d%s", cluster->prefix, i, cluster->suffix); - simgrid::s4u::Host::by_name_or_create(router_id) - ->extension_set(NS3_EXTENSION_ID, ns3_add_host_cluster(router_id)); - XBT_DEBUG("NS3_ADD_ROUTER '%s'",router_id); - free(router_id); - } - break; - - default: - XBT_DEBUG("Malformed radical"); - } - } - - //Create links - unsigned int cpt; - int elmts; - char * lat = bprintf("%fs", cluster->lat); - char * bw = bprintf("%fBps", cluster->bw); + char* lat = bprintf("%fs", cluster->lat); + char* bw = bprintf("%fBps", cluster->bw); - xbt_dynar_foreach(tab_elements_num,cpt,elmts) - { - host_id = bprintf("%s%d%s", cluster->prefix, elmts, cluster->suffix); - router_id = bprintf("ns3_%s%d%s", cluster->prefix, elmts, cluster->suffix); - XBT_DEBUG("Create link from '%s' to '%s'",host_id,router_id); + for (int i : *cluster->radicals) { + // Routers don't create a router on the other end of the private link by themselves. + // We just need this router to be given an ID so we create a temporary NetPointNS3 so that it gets one + NetPointNs3* host_dst = new NetPointNs3(); - ns3_node_t host_src = ns3_find_host(host_id); - ns3_node_t host_dst = ns3_find_host(router_id); + // Create private link + char* host_id = bprintf("%s%d%s", cluster->prefix, i, cluster->suffix); + NetPointNs3* host_src = sg_host_by_name(host_id)->pimpl_netpoint->extension(); + xbt_assert(host_src, "Cannot find a NS3 host of name %s", host_id); - if(host_src && host_dst){} - else xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num); + ns3_add_link(host_src->node_num, host_dst->node_num, bw,lat); - ns3_add_link(host_src->node_num,host_src->type, - host_dst->node_num,host_dst->type, - bw,lat); - - free(router_id); + delete host_dst; free(host_id); } xbt_free(lat); xbt_free(bw); - xbt_dynar_free(&tab_elements_num); - //Create link backbone lat = bprintf("%fs", cluster->bb_lat); bw = bprintf("%fBps", cluster->bb_bw); - ns3_add_cluster(bw,lat,cluster->id); + ns3_add_cluster(cluster->id, bw, lat); xbt_free(lat); xbt_free(bw); } -/* Create the ns3 topology based on routing strategy */ -static void create_ns3_topology(void) +static void routeCreation_cb(bool symmetrical, simgrid::kernel::routing::NetPoint* src, + simgrid::kernel::routing::NetPoint* dst, simgrid::kernel::routing::NetPoint* gw_src, + simgrid::kernel::routing::NetPoint* gw_dst, + std::vector* link_list) { - XBT_DEBUG("Starting topology generation"); - - xbt_dynar_shrink(IPV4addr,0); - - //get the onelinks from the parsed platform - xbt_dynar_t onelink_routes = routing_platf->getOneLinkRoutes(); - if (!onelink_routes) - xbt_die("There is no routes!"); - XBT_DEBUG("Have get_onelink_routes, found %ld routes",onelink_routes->used); - //save them in trace file - simgrid::surf::Onelink *onelink; - unsigned int iter; - xbt_dynar_foreach(onelink_routes, iter, onelink) { - char *src = onelink->src_->name(); - char *dst = onelink->dst_->name(); - simgrid::surf::LinkNS3 *link = - static_cast(onelink->link_); - - if (strcmp(src,dst) && link->m_created){ - XBT_DEBUG("Route from '%s' to '%s' with link '%s'", src, dst, link->getName()); - char * link_bdw = bprintf("%fBps", link->getBandwidth()); - char * link_lat = bprintf("%fs", link->getLatency()); - link->m_created = 0; - - // XBT_DEBUG("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id); - XBT_DEBUG("\tLink (%s) bdw:%s lat:%s", link->getName(), link_bdw, link_lat); - - //create link ns3 - ns3_node_t host_src = ns3_find_host(src); - if (!host_src) - host_src = static_cast(xbt_lib_get_or_null(as_router_lib,src,NS3_ASR_LEVEL)); - ns3_node_t host_dst = ns3_find_host(dst); - if(!host_dst) - host_dst = static_cast(xbt_lib_get_or_null(as_router_lib,dst,NS3_ASR_LEVEL)); - - if (!host_src || !host_dst) - xbt_die("\tns3_add_link from %d to %d",host_src->node_num,host_dst->node_num); - - ns3_add_link(host_src->node_num,host_src->type,host_dst->node_num,host_dst->type,link_bdw,link_lat); - - xbt_free(link_bdw); - xbt_free(link_lat); - } + if (link_list->size() == 1) { + simgrid::surf::LinkNS3* link = static_cast(link_list->at(0)); + + XBT_DEBUG("Route from '%s' to '%s' with link '%s' %s", src->cname(), dst->cname(), link->cname(), + (symmetrical ? "(symmetrical)" : "(not symmetrical)")); + char* link_bdw = bprintf("%fBps", link->bandwidth()); + char* link_lat = bprintf("%fs", link->latency()); + + // XBT_DEBUG("src (%s), dst (%s), src_id = %d, dst_id = %d",src,dst, src_id, dst_id); + XBT_DEBUG("\tLink (%s) bdw:%s lat:%s", link->cname(), link_bdw, link_lat); + + // create link ns3 + NetPointNs3* host_src = src->extension(); + NetPointNs3* host_dst = dst->extension(); + + xbt_assert(host_src != nullptr, "Network element %s does not seem to be NS3-ready", src->cname()); + xbt_assert(host_dst != nullptr, "Network element %s does not seem to be NS3-ready", dst->cname()); + + ns3_add_link(host_src->node_num, host_dst->node_num, link_bdw, link_lat); + if (symmetrical) + ns3_add_link(host_dst->node_num, host_src->node_num, link_bdw, link_lat); + + xbt_free(link_bdw); + xbt_free(link_lat); } } -static void parse_ns3_end_platform(void) +/* Create the ns3 topology based on routing strategy */ +static void postparse_cb(void) { - ns3_end_platform(); -} + IPV4addr.shrink_to_fit(); -static void define_callbacks_ns3(void) -{ - simgrid::s4u::Host::onCreation.connect(simgrid_ns3_add_host); - simgrid::surf::netcardCreatedCallbacks.connect(simgrid_ns3_add_router); - simgrid::surf::on_link.connect (parse_ns3_add_link); - simgrid::surf::on_cluster.connect (&parse_ns3_add_cluster); - simgrid::surf::asCreatedCallbacks.connect(parse_ns3_add_AS); - simgrid::surf::on_postparse.connect(&create_ns3_topology); //get_one_link_routes - simgrid::surf::on_postparse.connect(&parse_ns3_end_platform); //InitializeRoutes + ns3::GlobalRouteManager::BuildGlobalRoutingDatabase(); + ns3::GlobalRouteManager::InitializeRoutes(); } /********* * Model * *********/ -static void free_ns3_link(void * elmts) -{ - delete static_cast(elmts); -} - -static void free_ns3_host(void * elmts) -{ - ns3_node_t host = static_cast(elmts); - free(host); -} - void surf_network_model_init_NS3() { if (surf_network_model) return; surf_network_model = new simgrid::surf::NetworkNS3Model(); - - xbt_dynar_push(all_existing_models, &surf_network_model); + all_existing_models->push_back(surf_network_model); } +static simgrid::config::Flag ns3_tcp_model("ns3/TcpModel", + "The ns3 tcp model can be : NewReno or Reno or Tahoe", + "default"); + namespace simgrid { namespace surf { NetworkNS3Model::NetworkNS3Model() : NetworkModel() { - if (ns3_initialize(xbt_cfg_get_string(_sg_cfg_set, "ns3/TcpModel"))) { - xbt_die("Impossible to initialize NS3 interface"); - } - routing_model_create(NULL); - define_callbacks_ns3(); + NetPointNs3::EXTENSION_ID = simgrid::kernel::routing::NetPoint::extension_create(); + + ns3_initialize(ns3_tcp_model.get().c_str()); - NS3_EXTENSION_ID = simgrid::s4u::Host::extension_create(free_ns3_host); - NS3_ASR_LEVEL = xbt_lib_add_level(as_router_lib, free_ns3_host); + simgrid::kernel::routing::NetPoint::onCreation.connect([](simgrid::kernel::routing::NetPoint* pt) { + pt->extension_set(new NetPointNs3()); + + }); + simgrid::surf::on_cluster.connect(&clusterCreation_cb); + simgrid::s4u::onPlatformCreated.connect(&postparse_cb); + simgrid::s4u::NetZone::onRouteCreation.connect(&routeCreation_cb); + + LogComponentEnable("UdpEchoClientApplication", ns3::LOG_LEVEL_INFO); + LogComponentEnable("UdpEchoServerApplication", ns3::LOG_LEVEL_INFO); } NetworkNS3Model::~NetworkNS3Model() { - delete ns3_sim; - xbt_dynar_free_container(&IPV4addr); + for (auto addr : IPV4addr) + free(addr); + IPV4addr.clear(); xbt_dict_free(&flowFromSock); } -Link* NetworkNS3Model::createLink(const char *name, double bandwidth, double latency, e_surf_link_sharing_policy_t policy, - xbt_dict_t properties){ - - return new LinkNS3(this, name, properties, bandwidth, latency); +LinkImpl* NetworkNS3Model::createLink(const char* name, double bandwidth, double latency, + e_surf_link_sharing_policy_t policy) +{ + return new LinkNS3(this, name, bandwidth, latency); } -Action *NetworkNS3Model::communicate(NetCard *src, NetCard *dst, double size, double rate) +Action* NetworkNS3Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate) { - XBT_DEBUG("Communicate from %s to %s", src->name(), dst->name()); - NetworkNS3Action *action = new NetworkNS3Action(this, size, 0); - - ns3_create_flow(src->name(), dst->name(), surf_get_clock(), size, action); - - action->m_lastSent = 0; - action->p_srcElm = src; - action->p_dstElm = dst; - networkCommunicateCallbacks(action, src, dst, size, rate); - - return (surf_action_t) action; + return new NetworkNS3Action(this, size, src, dst); } -double NetworkNS3Model::next_occuring_event(double now) +double NetworkNS3Model::nextOccuringEvent(double now) { + double time_to_next_flow_completion; XBT_DEBUG("ns3_next_occuring_event"); //get the first relevant value from the running_actions list @@ -320,7 +191,7 @@ double NetworkNS3Model::next_occuring_event(double now) else do { ns3_simulator(now); - time_to_next_flow_completion = ns3::Simulator::Now().GetSeconds() - surf_get_clock();//FIXME: use now instead ? + time_to_next_flow_completion = ns3::Simulator::Now().GetSeconds() - surf_get_clock(); } while(double_equals(time_to_next_flow_completion, 0, sg_surf_precision)); XBT_DEBUG("min : %f", now); @@ -333,7 +204,7 @@ double NetworkNS3Model::next_occuring_event(double now) void NetworkNS3Model::updateActionsState(double now, double delta) { - static xbt_dynar_t socket_to_destroy = xbt_dynar_new(sizeof(char*),NULL); + static xbt_dynar_t socket_to_destroy = xbt_dynar_new(sizeof(char*),nullptr); /* If there are no running flows, advance the NS3 simulator and return */ if (getRunningActionSet()->empty()) { @@ -344,7 +215,7 @@ void NetworkNS3Model::updateActionsState(double now, double delta) return; } - xbt_dict_cursor_t cursor = NULL; + xbt_dict_cursor_t cursor = nullptr; char *ns3Socket; SgFlow *sgFlow; xbt_dict_foreach(flowFromSock,cursor,ns3Socket,sgFlow){ @@ -354,16 +225,16 @@ void NetworkNS3Model::updateActionsState(double now, double delta) if (TRACE_is_enabled() && action->getState() == Action::State::running){ - double data_delta_sent = sgFlow->sentBytes_ - action->m_lastSent; + double data_delta_sent = sgFlow->sentBytes_ - action->lastSent_; - std::vector *route = new std::vector(); + std::vector route = std::vector(); - routing_platf->getRouteAndLatency (action->p_srcElm, action->p_dstElm, route, NULL); - for (auto link : *route) - TRACE_surf_link_set_utilization (link->getName(), action->getCategory(), (data_delta_sent)/delta, now-delta, delta); - delete route; + action->src_->routeTo(action->dst_, &route, nullptr); + for (auto link : route) + TRACE_surf_link_set_utilization(link->cname(), action->getCategory(), (data_delta_sent) / delta, now - delta, + delta); - action->m_lastSent = sgFlow->sentBytes_; + action->lastSent_ = sgFlow->sentBytes_; } if(sgFlow->finished_){ @@ -383,70 +254,72 @@ void NetworkNS3Model::updateActionsState(double now, double delta) } xbt_dict_remove(flowFromSock, ns3Socket); } - return; } /************ * Resource * ************/ -LinkNS3::LinkNS3(NetworkNS3Model *model, const char *name, xbt_dict_t props, double bandwidth, double latency) - : Link(model, name, props) - , m_created(1) +LinkNS3::LinkNS3(NetworkNS3Model* model, const char* name, double bandwidth, double latency) + : LinkImpl(model, name, nullptr) { - m_bandwidth.peak = bandwidth; - m_latency.peak = latency; + bandwidth_.peak = bandwidth; + latency_.peak = latency; - Link::onCreation(this); + s4u::Link::onCreation(this->piface_); } -LinkNS3::~LinkNS3() -{ -} +LinkNS3::~LinkNS3() = default; void LinkNS3::apply_event(tmgr_trace_iterator_t event, double value) { THROW_UNIMPLEMENTED; } void LinkNS3::setBandwidthTrace(tmgr_trace_t trace) { - xbt_die("The NS3 network model doesn't support latency state traces"); + xbt_die("The NS3 network model doesn't support bandwidth traces"); } void LinkNS3::setLatencyTrace(tmgr_trace_t trace) { - xbt_die("The NS3 network model doesn't support latency state traces"); + xbt_die("The NS3 network model doesn't support latency traces"); } /********** * Action * **********/ -NetworkNS3Action::NetworkNS3Action(Model *model, double cost, bool failed) -: NetworkAction(model, cost, failed) -{} - -void NetworkNS3Action::suspend() +NetworkNS3Action::NetworkNS3Action(Model* model, double size, s4u::Host* src, s4u::Host* dst) + : NetworkAction(model, size, false) { + XBT_DEBUG("Communicate from %s to %s", src->cname(), dst->cname()); + + src_ = src; + dst_ = dst; + ns3_create_flow(src, dst, surf_get_clock(), size, this); + + s4u::Link::onCommunicate(this, src, dst); +} + +void NetworkNS3Action::suspend() { THROW_UNIMPLEMENTED; } -void NetworkNS3Action::resume() -{ +void NetworkNS3Action::resume() { THROW_UNIMPLEMENTED; } /* Test whether a flow is suspended */ bool NetworkNS3Action::isSuspended() { - return 0; + return false; } int NetworkNS3Action::unref() { - m_refcount--; - if (!m_refcount) { - if (action_hook.is_linked()) - p_stateSet->erase(p_stateSet->iterator_to(*this)); + refcount_--; + if (!refcount_) { + if (action_hook.is_linked()) + stateSet_->erase(stateSet_->iterator_to(*this)); XBT_DEBUG ("Removing action %p", this); - delete this; + delete this; return 1; } return 0; @@ -455,41 +328,46 @@ int NetworkNS3Action::unref() } } +void ns3_simulator(double maxSeconds) +{ + if (maxSeconds > 0.0) // If there is a maximum amount of time to run + ns3::Simulator::Stop(ns3::Seconds(maxSeconds)); + XBT_DEBUG("Start simulator for at most %fs (current time: %f)", maxSeconds, surf_get_clock()); + ns3::Simulator::Run (); +} +void ns3_create_flow(simgrid::s4u::Host* src, simgrid::s4u::Host* dst, double startTime, u_int32_t TotalBytes, + simgrid::surf::NetworkNS3Action* action) +{ + int node1 = src->pimpl_netpoint->extension()->node_num; + int node2 = dst->pimpl_netpoint->extension()->node_num; + ns3::Ptr src_node = nodes.Get(node1); + ns3::Ptr dst_node = nodes.Get(node2); + char* addr = IPV4addr.at(node2); -void ns3_simulator(double min){ - ns3_sim->simulator_start(min); -} + XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1, node2,addr); + ns3::PacketSinkHelper sink("ns3::TcpSocketFactory", ns3::InetSocketAddress (ns3::Ipv4Address::GetAny(), port_number)); + sink.Install (dst_node); -int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,simgrid::surf::NetworkNS3Action * action) -{ - ns3_node_t node1 = ns3_find_host(a); - ns3_node_t node2 = ns3_find_host(b); + ns3::Ptr sock = ns3::Socket::CreateSocket (src_node, ns3::TcpSocketFactory::GetTypeId()); - ns3::Ptr src_node = nodes.Get(node1->node_num); - ns3::Ptr dst_node = nodes.Get(node2->node_num); + xbt_dict_set(flowFromSock, transformSocketPtr(sock), new SgFlow(TotalBytes, action), nullptr); - char* addr = (char*)xbt_dynar_get_as(IPV4addr,node2->node_num,char*); + sock->Bind(ns3::InetSocketAddress(port_number)); + XBT_DEBUG("Create flow starting to %fs + %fs = %fs", + startTime-ns3::Simulator::Now().GetSeconds(), ns3::Simulator::Now().GetSeconds(), startTime); - XBT_DEBUG("ns3_create_flow %d Bytes from %d to %d with Interface %s",TotalBytes, node1->node_num, node2->node_num,addr); - ns3_sim->create_flow_NS3(src_node, dst_node, port_number, - start, - addr, - TotalBytes, - action); + ns3::Simulator::Schedule (ns3::Seconds(startTime-ns3::Simulator::Now().GetSeconds()), + &StartFlow, sock, addr, port_number); port_number++; - if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated."); - return 0; + xbt_assert(port_number <= 65000, "Too many connections! Port number is saturated."); } // initialize the NS3 interface and environment -int ns3_initialize(const char* TcpProtocol){ - xbt_assert(!ns3_sim, "ns3 already initialized"); - ns3_sim = new NS3Sim(); - +void ns3_initialize(const char* TcpProtocol){ // tcpModel are: // "ns3::TcpNewReno" // "ns3::TcpReno" @@ -498,66 +376,33 @@ int ns3_initialize(const char* TcpProtocol){ ns3::Config::SetDefault ("ns3::TcpSocket::SegmentSize", ns3::UintegerValue (1024)); // 1024-byte packet for easier reading ns3::Config::SetDefault ("ns3::TcpSocket::DelAckCount", ns3::UintegerValue (1)); - if(!strcmp(TcpProtocol,"default")){ - return 0; - } - if(!strcmp(TcpProtocol,"Reno")){ + if (!strcmp(TcpProtocol,"default")) + return; + + if (!strcmp(TcpProtocol,"Reno")) { XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol); ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpReno")); - return 0; + return; } - if(!strcmp(TcpProtocol,"NewReno")){ + if (!strcmp(TcpProtocol,"NewReno")) { XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol); ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpNewReno")); - return 0; + return; } if(!strcmp(TcpProtocol,"Tahoe")){ XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol); ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpTahoe")); - return 0; + return; } - XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe"); - return 0; + xbt_die("The ns3/TcpModel must be : NewReno or Reno or Tahoe"); } -void * ns3_add_host_cluster(const char * id) +void ns3_add_cluster(const char* id, char* bw, char* lat) { - ns3_node_t host = xbt_new0(s_ns3_node_t,1); - XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id); - ns3::Ptr node = ns3::CreateObject (0); - stack.Install(node); - Cluster_nodes.Add(node); - nodes.Add(node); - host->node_num = number_of_nodes; - host->type = NS3_NETWORK_ELEMENT_HOST; - number_of_nodes++; - return host; -} - -void * ns3_add_router(const char * id) -{ - ns3_node_t router = xbt_new0(s_ns3_node_t,1); - XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id); - ns3::Ptr node = ns3::CreateObject (0); - stack.Install(node); - nodes.Add(node); - router->node_num = number_of_nodes; - router->type = NS3_NETWORK_ELEMENT_ROUTER; - number_of_nodes++; - return router; -} - -void ns3_add_cluster(char * bw,char * lat,const char *id) -{ - - XBT_DEBUG("cluster_id: %s",id); - XBT_DEBUG("bw: %s lat: %s",bw,lat); - XBT_DEBUG("Number of %s nodes: %d",id,Cluster_nodes.GetN() - number_of_clusters_nodes); - ns3::NodeContainer Nodes; - for(unsigned int i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){ + for (unsigned int i = number_of_clusters_nodes; i < Cluster_nodes.GetN(); i++) { Nodes.Add(Cluster_nodes.Get(i)); XBT_DEBUG("Add node %d to cluster",i); } @@ -566,8 +411,7 @@ void ns3_add_cluster(char * bw,char * lat,const char *id) XBT_DEBUG("Add router %d to cluster",nodes.GetN()-Nodes.GetN()-1); Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1)); - if(Nodes.GetN() > 65000) - xbt_die("Cluster with NS3 is limited to 65000 nodes"); + xbt_assert(Nodes.GetN() <= 65000, "Cluster with NS3 is limited to 65000 nodes"); ns3::CsmaHelper csma; csma.SetChannelAttribute ("DataRate", ns3::StringValue (bw)); csma.SetChannelAttribute ("Delay", ns3::StringValue (lat)); @@ -582,8 +426,7 @@ void ns3_add_cluster(char * bw,char * lat,const char *id) interfaces.Add(ipv4.Assign (devices)); if(number_of_links == 255){ - if(number_of_networks == 255) - xbt_die("Number of links and networks exceed 255*255"); + xbt_assert(number_of_networks < 255, "Number of links and networks exceed 255*255"); number_of_links = 1; number_of_networks++; }else{ @@ -592,29 +435,16 @@ void ns3_add_cluster(char * bw,char * lat,const char *id) XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN()); } -void * ns3_add_AS(const char * id) -{ - XBT_DEBUG("Interface ns3 add AS '%s'",id); - return NULL; -} - static char* transformIpv4Address (ns3::Ipv4Address from){ std::stringstream sstream; - sstream << from ; - std::string s = sstream.str(); - return bprintf("%s",s.c_str()); + sstream << from ; + std::string s = sstream.str(); + return bprintf("%s",s.c_str()); } -void ns3_add_link(int src, e_ns3_network_element_type_t type_src, - int dst, e_ns3_network_element_type_t type_dst, - char *bw, char *lat) +void ns3_add_link(int src, int dst, char *bw, char *lat) { - if(number_of_links == 1 ) { - LogComponentEnable("UdpEchoClientApplication", ns3::LOG_LEVEL_INFO); - LogComponentEnable("UdpEchoServerApplication", ns3::LOG_LEVEL_INFO); - } - - ns3::MyPointToPointHelper pointToPoint; + ns3::PointToPointHelper pointToPoint; ns3::NetDeviceContainer netA; ns3::Ipv4AddressHelper address; @@ -625,9 +455,8 @@ void ns3_add_link(int src, e_ns3_network_element_type_t type_src, XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat); pointToPoint.SetDeviceAttribute ("DataRate", ns3::StringValue (bw)); pointToPoint.SetChannelAttribute ("Delay", ns3::StringValue (lat)); - //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG - netA.Add(pointToPoint.Install (a, type_src, b, type_dst)); + netA.Add(pointToPoint.Install (a, b)); char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links); address.SetBase (adr, "255.255.0.0"); @@ -635,27 +464,19 @@ void ns3_add_link(int src, e_ns3_network_element_type_t type_src, free(adr); interfaces.Add(address.Assign (netA)); - char *tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-2)); - xbt_dynar_set_as(IPV4addr,src,char*,tmp); - XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,src,char*),src); + if (IPV4addr.size() <= (unsigned)src) + IPV4addr.resize(src + 1, nullptr); + IPV4addr.at(src) = transformIpv4Address(interfaces.GetAddress(interfaces.GetN() - 2)); - tmp = transformIpv4Address(interfaces.GetAddress(interfaces.GetN()-1)); - xbt_dynar_set_as(IPV4addr,dst,char*,tmp); - XBT_DEBUG("Have write '%s' for Node '%d'",(char*)xbt_dynar_get_as(IPV4addr,dst,char*),dst); + if (IPV4addr.size() <= (unsigned)dst) + IPV4addr.resize(dst + 1, nullptr); + IPV4addr.at(dst) = transformIpv4Address(interfaces.GetAddress(interfaces.GetN() - 1)); - if(number_of_links == 255){ - if(number_of_networks == 255) - xbt_die("Number of links and networks exceed 255*255"); + if (number_of_links == 255){ + xbt_assert(number_of_networks < 255, "Number of links and networks exceed 255*255"); number_of_links = 1; number_of_networks++; - }else{ + } else { number_of_links++; } } - -void ns3_end_platform(void) -{ - XBT_DEBUG("InitializeRoutes"); - ns3::GlobalRouteManager::BuildGlobalRoutingDatabase(); - ns3::GlobalRouteManager::InitializeRoutes(); -}