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nsc-tcp: (fixes #2796) Fix NSC TCP transmission flow control

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This commit is contained in:
Tom Henderson
2017-10-05 10:48:38 -07:00
parent 9b544a9cac
commit 76e45012cd
1 changed files with 16 additions and 1 deletions
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17
src/internet/model/nsc-tcp-socket-impl.cc
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@@ -424,6 +424,7 @@ NscTcpSocketImpl::Listen (void)
void
NscTcpSocketImpl::NSCWakeup ()
{
NS_LOG_FUNCTION (this);
switch (m_state) {
case SYN_SENT:
if (!m_nscTcpSocket->is_connected ())
@@ -433,7 +434,16 @@ NscTcpSocketImpl::NSCWakeup ()
// fall through to schedule read/write events
case ESTABLISHED:
if (!m_txBuffer.empty ())
Simulator::ScheduleNow (&NscTcpSocketImpl::SendPendingData, this);
{
Simulator::ScheduleNow (&NscTcpSocketImpl::SendPendingData, this);
}
else
{
if (GetTxAvailable ())
{
NotifySend (GetTxAvailable ());
}
}
Simulator::ScheduleNow (&NscTcpSocketImpl::ReadPendingData, this);
break;
case LISTEN:
@@ -699,9 +709,14 @@ bool NscTcpSocketImpl::SendPendingData (void)
if (written > 0)
{
NS_LOG_DEBUG ("Notifying data sent, remaining txbuffer size: " << m_txBufferSize);
Simulator::ScheduleNow (&NscTcpSocketImpl::NotifyDataSent, this, ret);
return true;
}
else
{
NS_LOG_DEBUG ("Not notifying data sent, return value " << ret);
}
return false;
}