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add transmit start for leo mock channels

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This commit is contained in:
Tim Schubert 2020-06-24 22:23:09 +02:00
parent aa4e5b5ef0
commit 20ad318cb9
8 changed files with 55 additions and 94 deletions
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60
model/leo-mock-channel.cc
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@ -21,13 +21,6 @@ LeoMockChannel::GetTypeId (void)
.SetParent<Channel> ()
.SetGroupName ("Leo")
.AddConstructor<LeoMockChannel> ()
.AddAttribute ("ChannelType",
"The type of the channel",
EnumValue (),
MakeEnumAccessor (&LeoMockChannel::m_channelType),
MakeEnumChecker (
ChannelType::GW, "ns3::LeoMockChannel::ChannelType::GW",
ChannelType::UT, "ns3::LeoMockChannel::ChannelType::UT"))
;
return tid;
}
@ -51,63 +44,24 @@ LeoMockChannel::TransmitStart (Ptr<const Packet> p,
{
// Find devices joined to channel
Ptr<LeoMockNetDevice> srcDev = DynamicCast<LeoMockNetDevice> (GetDevice (devId));
if (srcDev == nullptr)
{
NS_LOG_ERROR ("Dropping packet: invalid source device");
return false;
}
Ptr<LeoMockNetDevice> dstDev = DynamicCast<LeoMockNetDevice> (GetDevice (dst));
bool isBroadcast = (srcDev->GetBroadcast () == dst);
if (dstDev == nullptr && !isBroadcast)
if (!isBroadcast && dstDev == nullptr)
{
NS_LOG_ERROR ("Dropping packet: invalid destination device");
NS_LOG_LOGIC (this << "Dropping packet: direct communication between ground stations and satellites not allowed using this channel");
return false;
}
LeoMockNetDevice::DeviceType srcType = srcDev->GetDeviceType ();
switch (m_channelType)
for (uint32_t i = 0; i < GetNDevices (); i++)
{
case LeoMockChannel::ChannelType::GW:
if (srcType == LeoMockNetDevice::GW)
if (srcDev->GetDeviceType () != dstDev->GetDeviceType ())
{
// Get device from SAT_GW set
return true;
Deliver (p, srcDev, dstDev, txTime);
}
else if (srcType == LeoMockNetDevice::SAT_GW)
{
// Get device from GW set
return true;
}
break;
case LeoMockChannel::ChannelType::UT:
if (srcType == LeoMockNetDevice::UT)
{
// Get device from SAT_UT set
return true;
}
else if (srcType == LeoMockNetDevice::SAT_UT)
{
// Get device from UT set
return true;
}
break;
// Other kinds of transmissions are not allowed
default:
NS_LOG_ERROR ("Dropping packet: invalid channel type");
return false;
}
// Apply propagation loss and schedule transmission
// Get propagation delay
Time delay = GetDelay (srcDev, dstDev, txTime);
// Make compiler happy
return false;
return true;
}
}; // namespace ns3