X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f4c4bb0050ab968a35369d8e844cda166782869a..41fc8c54b8e9e4c610a8e54791d8efa8c5e6129e:/src/surf/ns3/ns3_interface.cc diff --git a/src/surf/ns3/ns3_interface.cc b/src/surf/ns3/ns3_interface.cc index f0556bbe50..4507c9d811 100644 --- a/src/surf/ns3/ns3_interface.cc +++ b/src/surf/ns3/ns3_interface.cc @@ -1,29 +1,150 @@ -/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2007-2014. 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 "ns3_interface.h" -#include "ns3/core-module.h" -#include "ns3/simulator-module.h" -#include "ns3/node-module.h" -#include "ns3/helper-module.h" -#include "ns3/global-route-manager.h" +#include "ns3_simulator.h" +#include "xbt/lib.h" +#include "xbt/log.h" +#include "xbt/dynar.h" +#include "xbt/Extendable.hpp" + using namespace ns3; -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(interface_ns3, surf, +extern xbt_dynar_t IPV4addr; + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ns3, surf, "Logging specific to the SURF network NS3 module"); +InternetStackHelper stack; NodeContainer nodes; +NodeContainer Cluster_nodes; +Ipv4InterfaceContainer interfaces; + int number_of_nodes = 0; +int number_of_clusters_nodes = 0; +int number_of_links = 1; +int number_of_networks = 1; +int port_number = 1025; //Port number is limited from 1025 to 65 000 + +static NS3Sim* ns3_sim = 0; + +void ns3_simulator(double min){ + ns3_sim->simulator_start(min); +} + +void* ns3_get_socket_action(void *socket){ + return ns3_sim->get_action_from_socket(socket); +} + +double ns3_get_socket_remains(void *socket){ + return ns3_sim->get_remains_from_socket(socket); +} + +double ns3_get_socket_sent(void *socket){ + return ns3_sim->get_sent_from_socket(socket); +} + +char ns3_get_socket_is_finished(void *socket){ + return ns3_sim->get_finished(socket); +} + +double ns3_time(){ + return Simulator::Now().GetSeconds(); +} + +int ns3_create_flow(const char* a,const char *b,double start,u_int32_t TotalBytes,void * action) +{ + ns3_nodes_t node1 = ns3_find_host(a); + ns3_nodes_t node2 = ns3_find_host(b); + + Ptr src_node = nodes.Get(node1->node_num); + Ptr dst_node = nodes.Get(node2->node_num); + + char* addr = (char*)xbt_dynar_get_as(IPV4addr,node2->node_num,char*); + + 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); + + port_number++; + if(port_number >= 65001 ) xbt_die("Too many connections! Port number is saturated."); + return 0; +} + +// clean up +int ns3_finalize(void){ + if (!ns3_sim) return -1; + delete ns3_sim; + ns3_sim = 0; + return 0; +} + +// initialize the NS3 interface and environment +int ns3_initialize(const char* TcpProtocol){ + xbt_assert(!ns3_sim, "ns3 already initialized"); + ns3_sim = new NS3Sim(); + +// tcpModel are: +// "ns3::TcpNewReno" +// "ns3::TcpReno" +// "ns3::TcpTahoe" + + Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (1024)); // 1024-byte packet for easier reading + Config::SetDefault ("ns3::TcpSocket::DelAckCount", UintegerValue (1)); + + if(!strcmp(TcpProtocol,"default")){ + return 0; + } + if(!strcmp(TcpProtocol,"Reno")){ + XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol); + Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpReno")); + return 0; + } + if(!strcmp(TcpProtocol,"NewReno")){ + XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol); + Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpNewReno")); + return 0; + } + if(!strcmp(TcpProtocol,"Tahoe")){ + XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol); + Config::SetDefault ("ns3::TcpL4Protocol::SocketType", StringValue("ns3::TcpTahoe")); + return 0; + } + + XBT_ERROR("The ns3/TcpModel must be : NewReno or Reno or Tahoe"); + return 0; +} + +void * ns3_add_host(const char * id) +{ + ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1); + XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id); + Ptr node = CreateObject (0); + stack.Install(node); + nodes.Add(node); + host->node_num = number_of_nodes; + host->type = NS3_NETWORK_ELEMENT_HOST; + host->data = GetPointer(node); + number_of_nodes++; + return host; +} -void * ns3_add_host(char * id) +void * ns3_add_host_cluster(const char * id) { ns3_nodes_t host = xbt_new0(s_ns3_nodes_t,1); - XBT_INFO("Interface ns3 add host '%s'",id); + XBT_DEBUG("Interface ns3 add host[%d] '%s'",number_of_nodes,id); Ptr node = CreateObject (0); + stack.Install(node); + Cluster_nodes.Add(node); nodes.Add(node); host->node_num = number_of_nodes; host->type = NS3_NETWORK_ELEMENT_HOST; @@ -32,11 +153,12 @@ void * ns3_add_host(char * id) return host; } -void * ns3_add_router(char * id) +void * ns3_add_router(const char * id) { ns3_nodes_t router = xbt_new0(s_ns3_nodes_t,1); - XBT_INFO("Interface ns3 add router '%s'",id); + XBT_DEBUG("Interface ns3 add router[%d] '%s'",number_of_nodes,id); Ptr node = CreateObject (0); + stack.Install(node); nodes.Add(node); router->node_num = number_of_nodes; router->type = NS3_NETWORK_ELEMENT_ROUTER; @@ -45,8 +167,115 @@ void * ns3_add_router(char * id) return router; } -void * ns3_add_AS(char * id) +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); + + NodeContainer Nodes; + unsigned int i; + + for(i = number_of_clusters_nodes; i < Cluster_nodes.GetN() ; i++){ + Nodes.Add(Cluster_nodes.Get(i)); + XBT_DEBUG("Add node %d to cluster",i); + } + number_of_clusters_nodes = Cluster_nodes.GetN(); + + 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"); + CsmaHelper csma; + csma.SetChannelAttribute ("DataRate", StringValue (bw)); + csma.SetChannelAttribute ("Delay", StringValue (lat)); + NetDeviceContainer devices = csma.Install (Nodes); + XBT_DEBUG("Create CSMA"); + + char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links); + XBT_DEBUG("Assign IP Addresses %s to CSMA.",adr); + Ipv4AddressHelper ipv4; + ipv4.SetBase (adr, "255.255.0.0"); + free(adr); + 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"); + number_of_links = 1; + number_of_networks++; + }else{ + number_of_links++; + } + XBT_DEBUG("Number of nodes in Cluster_nodes: %d",Cluster_nodes.GetN()); +} + +void * ns3_add_AS(const char * id) { - XBT_INFO("Interface ns3 add AS '%s'",id); + XBT_DEBUG("Interface ns3 add AS '%s'",id); return NULL; } + +static char* transformIpv4Address (Ipv4Address from){ + std::stringstream sstream; + 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) +{ + if(number_of_links == 1 ) { + LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO); + LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO); + } + + MyPointToPointHelper pointToPoint; + + NetDeviceContainer netA; + Ipv4AddressHelper address; + + Ptr a = nodes.Get(src); + Ptr b = nodes.Get(dst); + + XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat); + pointToPoint.SetDeviceAttribute ("DataRate", StringValue (bw)); + pointToPoint.SetChannelAttribute ("Delay", StringValue (lat)); + //pointToPoint.EnablePcapAll("test_ns3_trace"); //DEBUG + + netA.Add(pointToPoint.Install (a, type_src, b, type_dst)); + + char * adr = bprintf("%d.%d.0.0",number_of_networks,number_of_links); + address.SetBase (adr, "255.255.0.0"); + XBT_DEBUG("\tInterface stack '%s'",adr); + 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); + + 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(number_of_links == 255){ + if(number_of_networks == 255) + xbt_die("Number of links and networks exceed 255*255"); + number_of_links = 1; + number_of_networks++; + }else{ + number_of_links++; + } +} + +void ns3_end_platform(void) +{ + XBT_DEBUG("InitializeRoutes"); + GlobalRouteManager::BuildGlobalRoutingDatabase(); + GlobalRouteManager::InitializeRoutes(); +}