-/* Copyright (c) 2007-2016. 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 "ns3/core-module.h"
#include "ns3/node.h"
-#include "ns3/ns3_interface.h"
#include "ns3/ns3_simulator.h"
#include "network_ns3.hpp"
-#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 "src/surf/HostImpl.hpp"
-#include "src/surf/surf_private.h"
+#include "simgrid/s4u/Engine.hpp"
#include "simgrid/s4u/NetZone.hpp"
-#include "simgrid/s4u/engine.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ns3, surf, "Logging specific to the SURF network NS3 module");
NetPointNs3* host_src = sg_host_by_name(host_id)->pimpl_netpoint->extension<NetPointNs3>();
xbt_assert(host_src, "Cannot find a NS3 host of name %s", host_id);
- ns3_add_link(host_src->node_num, host_dst->node_num, bw,lat);
+ ns3_add_link(host_src, host_dst, bw, lat);
delete host_dst;
free(host_id);
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*>* link_list)
+ simgrid::kernel::routing::NetPoint* gw_dst,
+ std::vector<simgrid::surf::LinkImpl*>* link_list)
{
if (link_list->size() == 1) {
simgrid::surf::LinkNS3* link = static_cast<simgrid::surf::LinkNS3*>(link_list->at(0));
- XBT_DEBUG("Route from '%s' to '%s' with link '%s' %s", src->cname(), dst->cname(), link->getName(),
+ 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->getName(), link_bdw, link_lat);
+ XBT_DEBUG("\tLink (%s) bdw:%s lat:%s", link->cname(), link_bdw, link_lat);
// create link ns3
NetPointNs3* host_src = src->extension<NetPointNs3>();
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);
+ ns3_add_link(host_src, host_dst, link_bdw, link_lat);
if (symmetrical)
- ns3_add_link(host_dst->node_num, host_src->node_num, link_bdw, link_lat);
+ ns3_add_link(host_dst, host_src, link_bdw, link_lat);
xbt_free(link_bdw);
xbt_free(link_lat);
+ } else {
+ static bool warned_about_long_routes = false;
+
+ if (not warned_about_long_routes)
+ XBT_WARN("Ignoring a route between %s and %s of length %zu: Only routes of length 1 are considered with NS3.\n"
+ "WARNING: You can ignore this warning if your hosts can still communicate when only considering routes "
+ "of length 1.\n"
+ "WARNING: Remove long routes to avoid this harmless message; subsequent long routes will be silently "
+ "ignored.",
+ src->cname(), dst->cname(), link_list->size());
+ warned_about_long_routes = true;
}
}
/* Create the ns3 topology based on routing strategy */
-static void postparse_cb(void)
+static void postparse_cb()
{
IPV4addr.shrink_to_fit();
XBT_DEBUG("ns3_next_occuring_event");
//get the first relevant value from the running_actions list
- if (!getRunningActionSet()->size() || now == 0.0)
+ if (not getRunningActionSet()->size() || now == 0.0)
return -1.0;
else
do {
action->src_->routeTo(action->dst_, &route, nullptr);
for (auto link : route)
- TRACE_surf_link_set_utilization (link->getName(), action->getCategory(), (data_delta_sent)/delta, now-delta, delta);
+ TRACE_surf_link_set_utilization(link->cname(), action->getCategory(), (data_delta_sent) / delta, now - delta,
+ delta);
action->lastSent_ = sgFlow->sentBytes_;
}
}
}
- while (!xbt_dynar_is_empty(socket_to_destroy)){
+ while (not xbt_dynar_is_empty(socket_to_destroy)) {
xbt_dynar_pop(socket_to_destroy,&ns3Socket);
if (XBT_LOG_ISENABLED(ns3, xbt_log_priority_debug)) {
bandwidth_.peak = bandwidth;
latency_.peak = latency;
- LinkImpl::onCreation(this);
+ s4u::Link::onCreation(this->piface_);
}
LinkNS3::~LinkNS3() = default;
-void LinkNS3::apply_event(tmgr_trace_iterator_t event, double value)
+void LinkNS3::apply_event(tmgr_trace_event_t event, double value)
{
THROW_UNIMPLEMENTED;
}
dst_ = dst;
ns3_create_flow(src, dst, surf_get_clock(), size, this);
- LinkImpl::onCommunicate(this, src, dst);
+ s4u::Link::onCommunicate(this, src, dst);
}
void NetworkNS3Action::suspend() {
THROW_UNIMPLEMENTED;
}
- /* Test whether a flow is suspended */
+std::list<LinkImpl*> NetworkNS3Action::links()
+{
+ THROW_UNIMPLEMENTED;
+}
+
+/* Test whether a flow is suspended */
bool NetworkNS3Action::isSuspended()
{
return false;
int NetworkNS3Action::unref()
{
refcount_--;
- if (!refcount_) {
+ if (not refcount_) {
if (action_hook.is_linked())
stateSet_->erase(stateSet_->iterator_to(*this));
XBT_DEBUG ("Removing action %p", this);
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<NetPointNs3>()->node_num;
- int node2 = dst->pimpl_netpoint->extension<NetPointNs3>()->node_num;
+ unsigned int node1 = src->pimpl_netpoint->extension<NetPointNs3>()->node_num;
+ unsigned int node2 = dst->pimpl_netpoint->extension<NetPointNs3>()->node_num;
ns3::Ptr<ns3::Node> src_node = nodes.Get(node1);
ns3::Ptr<ns3::Node> dst_node = nodes.Get(node2);
+ xbt_assert(node2 < IPV4addr.size(), "Element %s is unknown to NS3. Is it connected to any one-hop link?",
+ dst->pimpl_netpoint->cname());
char* addr = IPV4addr.at(node2);
+ xbt_assert(addr != nullptr, "Element %s is unknown to NS3. Is it connected to any one-hop link?",
+ dst->pimpl_netpoint->cname());
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));
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"))
+ if (not strcmp(TcpProtocol, "default"))
return;
- if (!strcmp(TcpProtocol,"Reno")) {
+ if (not strcmp(TcpProtocol, "Reno")) {
XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpReno"));
return;
}
- if (!strcmp(TcpProtocol,"NewReno")) {
+ if (not strcmp(TcpProtocol, "NewReno")) {
XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpNewReno"));
return;
}
- if(!strcmp(TcpProtocol,"Tahoe")){
+ if (not strcmp(TcpProtocol, "Tahoe")) {
XBT_INFO("Switching Tcp protocol to '%s'",TcpProtocol);
ns3::Config::SetDefault ("ns3::TcpL4Protocol::SocketType", ns3::StringValue("ns3::TcpTahoe"));
return;
return bprintf("%s",s.c_str());
}
-void ns3_add_link(int src, int dst, char *bw, char *lat)
+void ns3_add_link(NetPointNs3* src, NetPointNs3* dst, char* bw, char* lat)
{
ns3::PointToPointHelper pointToPoint;
ns3::NetDeviceContainer netA;
ns3::Ipv4AddressHelper address;
- ns3::Ptr<ns3::Node> a = nodes.Get(src);
- ns3::Ptr<ns3::Node> b = nodes.Get(dst);
+ int srcNum = src->node_num;
+ int dstNum = dst->node_num;
+
+ ns3::Ptr<ns3::Node> a = nodes.Get(srcNum);
+ ns3::Ptr<ns3::Node> b = nodes.Get(dstNum);
- XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'",src,dst,bw,lat);
+ XBT_DEBUG("\tAdd PTP from %d to %d bw:'%s' lat:'%s'", srcNum, dstNum, bw, lat);
pointToPoint.SetDeviceAttribute ("DataRate", ns3::StringValue (bw));
pointToPoint.SetChannelAttribute ("Delay", ns3::StringValue (lat));
free(adr);
interfaces.Add(address.Assign (netA));
- if (IPV4addr.size() <= (unsigned)src)
- IPV4addr.resize(src + 1, nullptr);
- IPV4addr.at(src) = transformIpv4Address(interfaces.GetAddress(interfaces.GetN() - 2));
+ if (IPV4addr.size() <= (unsigned)srcNum)
+ IPV4addr.resize(srcNum + 1, nullptr);
+ IPV4addr.at(srcNum) = transformIpv4Address(interfaces.GetAddress(interfaces.GetN() - 2));
- if (IPV4addr.size() <= (unsigned)dst)
- IPV4addr.resize(dst + 1, nullptr);
- IPV4addr.at(dst) = transformIpv4Address(interfaces.GetAddress(interfaces.GetN() - 1));
+ if (IPV4addr.size() <= (unsigned)dstNum)
+ IPV4addr.resize(dstNum + 1, nullptr);
+ IPV4addr.at(dstNum) = transformIpv4Address(interfaces.GetAddress(interfaces.GetN() - 1));
if (number_of_links == 255){
xbt_assert(number_of_networks < 255, "Number of links and networks exceed 255*255");
