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update Bug 932: source address selection in IPv4 HDRINCL

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This commit is contained in:
Hajime Tazaki
2010-07-07 23:58:40 +09:00
parent 33cd14075c
commit 41c90baf30
1 changed files with 5 additions and 3 deletions
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8
src/internet-stack/ipv4-raw-socket-impl.cc
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@@ -185,6 +185,7 @@ Ipv4RawSocketImpl::SendTo (Ptr<Packet> p, uint32_t flags,
InetSocketAddress ad = InetSocketAddress::ConvertFrom (toAddress);
Ptr<Ipv4L3Protocol> ipv4 = m_node->GetObject<Ipv4L3Protocol> ();
Ipv4Address dst = ad.GetIpv4 ();
Ipv4Address src = m_src;
if (ipv4->GetRoutingProtocol ())
{
Ipv4Header header;
@@ -197,16 +198,17 @@ Ipv4RawSocketImpl::SendTo (Ptr<Packet> p, uint32_t flags,
{
p->RemoveHeader (header);
dst = header.GetDestination ();
src = header.GetSource ();
}
SocketErrno errno_ = ERROR_NOTERROR;//do not use errno as it is the standard C last error number
Ptr<Ipv4Route> route;
Ptr<NetDevice> oif = m_boundnetdevice; //specify non-zero if bound to a source address
if (!oif && m_src != Ipv4Address::GetAny ())
if (!oif && src != Ipv4Address::GetAny ())
{
int32_t index = ipv4->GetInterfaceForAddress (m_src);
int32_t index = ipv4->GetInterfaceForAddress (src);
NS_ASSERT (index >= 0);
oif = ipv4->GetNetDevice (index);
NS_LOG_LOGIC ("Set index " << oif << "from source " << m_src);
NS_LOG_LOGIC ("Set index " << oif << "from source " << src);
}
// TBD-- we could cache the route and just check its validity