--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/internet-stack/icmpv4.cc Wed Oct 29 11:18:39 2008 -0700
@@ -0,0 +1,387 @@
+#include "icmpv4.h"
+#include "ns3/packet.h"
+
+namespace ns3 {
+
+/********************************************************
+ * Icmpv4Header
+ ********************************************************/
+
+TypeId
+Icmpv4Header::GetTypeId (void)
+{
+ static TypeId tid = TypeId ("ns3::Icmpv4Header")
+ .SetParent<Header> ()
+ .AddConstructor<Icmpv4Header> ()
+ ;
+ return tid;
+}
+Icmpv4Header::Icmpv4Header ()
+ : m_type (0),
+ m_code (0),
+ m_calcChecksum (false)
+{}
+Icmpv4Header::~Icmpv4Header ()
+{}
+void
+Icmpv4Header::EnableChecksum (void)
+{
+ m_calcChecksum = true;
+}
+TypeId
+Icmpv4Header::GetInstanceTypeId (void) const
+{
+ return GetTypeId ();
+}
+uint32_t
+Icmpv4Header::GetSerializedSize (void) const
+{
+ return 4;
+}
+void
+Icmpv4Header::Serialize (Buffer::Iterator start) const
+{
+ Buffer::Iterator i = start;
+ i.WriteU8 (m_type);
+ i.WriteU8 (m_code);
+ i.WriteHtonU16 (0);
+ if (m_calcChecksum)
+ {
+ i = start;
+ uint16_t checksum = i.CalculateIpChecksum (i.GetSize ());
+ i = start;
+ i.Next (2);
+ i.WriteU16 (checksum);
+ }
+
+}
+uint32_t
+Icmpv4Header::Deserialize (Buffer::Iterator start)
+{
+ m_type = start.ReadU8 ();
+ m_code = start.ReadU8 ();
+ uint16_t checksum;
+ checksum = start.ReadNtohU16 ();
+ return 4;
+}
+void
+Icmpv4Header::Print (std::ostream &os) const
+{
+ os << "type=" << (uint32_t)m_type << ", code=" << (uint32_t)m_code;
+}
+
+void
+Icmpv4Header::SetType (uint8_t type)
+{
+ m_type = type;
+}
+void
+Icmpv4Header::SetCode (uint8_t code)
+{
+ m_code = code;
+}
+uint8_t
+Icmpv4Header::GetType (void) const
+{
+ return m_type;
+}
+uint8_t
+Icmpv4Header::GetCode (void) const
+{
+ return m_code;
+}
+
+/********************************************************
+ * Icmpv4Echo
+ ********************************************************/
+
+void
+Icmpv4Echo::SetIdentifier (uint16_t id)
+{
+ m_identifier = id;
+}
+void
+Icmpv4Echo::SetSequenceNumber (uint16_t seq)
+{
+ m_sequence = seq;
+}
+void
+Icmpv4Echo::SetData (Ptr<const Packet> data)
+{
+ m_data = data->Copy ();
+}
+uint16_t
+Icmpv4Echo::GetIdentifier (void) const
+{
+ return m_identifier;
+}
+uint16_t
+Icmpv4Echo::GetSequenceNumber (void) const
+{
+ return m_sequence;
+}
+Ptr<const Packet>
+Icmpv4Echo::GetData (void) const
+{
+ return m_data->Copy ();
+}
+
+
+TypeId
+Icmpv4Echo::GetTypeId (void)
+{
+ static TypeId tid = TypeId ("ns3::Icmpv4Echo")
+ .SetParent<Header> ()
+ .AddConstructor<Icmpv4Echo> ()
+ ;
+ return tid;
+}
+Icmpv4Echo::Icmpv4Echo ()
+ : m_identifier (0),
+ m_sequence (0),
+ m_data (0)
+{}
+Icmpv4Echo::~Icmpv4Echo ()
+{}
+TypeId
+Icmpv4Echo::GetInstanceTypeId (void) const
+{
+ return GetTypeId ();
+}
+uint32_t
+Icmpv4Echo::GetSerializedSize (void) const
+{
+ return 4 + m_data->GetSize ();
+}
+void
+Icmpv4Echo::Serialize (Buffer::Iterator start) const
+{
+ start.WriteHtonU16 (m_identifier);
+ start.WriteHtonU16 (m_sequence);
+ start.Write (m_data->PeekData (), m_data->GetSize ());
+}
+uint32_t
+Icmpv4Echo::Deserialize (Buffer::Iterator start)
+{
+ m_identifier = start.ReadNtohU16 ();
+ m_sequence = start.ReadNtohU16 ();
+ NS_ASSERT (start.GetSize () >= 4);
+ uint32_t size = start.GetSize () - 4;
+ uint8_t *buffer = new uint8_t[size] ();
+ start.Read (buffer, size);
+ m_data = Create<Packet> (buffer, size);
+ delete[] buffer;
+ return start.GetSize ();
+}
+void
+Icmpv4Echo::Print (std::ostream &os) const
+{
+ os << "identifier=" << m_identifier << ", sequence=" << m_sequence;
+}
+
+
+/********************************************************
+ * Icmpv4DestinationUnreachable
+ ********************************************************/
+
+TypeId
+Icmpv4DestinationUnreachable::GetTypeId (void)
+{
+ static TypeId tid = TypeId ("ns3::Icmpv4DestinationUnreachable")
+ .SetParent<Header> ()
+ .AddConstructor<Icmpv4DestinationUnreachable> ()
+ ;
+ return tid;
+}
+Icmpv4DestinationUnreachable::Icmpv4DestinationUnreachable ()
+{
+ // make sure that thing is initialized to get initialized bytes
+ // when the ip payload's size is smaller than 8 bytes.
+ for (uint8_t j = 0; j < 8; j++)
+ {
+ m_data[j] = 0;
+ }
+}
+
+void
+Icmpv4DestinationUnreachable::SetNextHopMtu (uint16_t mtu)
+{
+ m_nextHopMtu = mtu;
+}
+uint16_t
+Icmpv4DestinationUnreachable::GetNextHopMtu (void) const
+{
+ return m_nextHopMtu;
+}
+
+void
+Icmpv4DestinationUnreachable::SetData (Ptr<const Packet> data)
+{
+ data->CopyData (m_data, 8);
+}
+void
+Icmpv4DestinationUnreachable::SetHeader (Ipv4Header header)
+{
+ m_header = header;
+}
+void
+Icmpv4DestinationUnreachable::GetData (uint8_t payload[8]) const
+{
+ memcpy (payload, m_data, 8);
+}
+Ipv4Header
+Icmpv4DestinationUnreachable::GetHeader (void) const
+{
+ return m_header;
+}
+
+
+Icmpv4DestinationUnreachable::~Icmpv4DestinationUnreachable ()
+{}
+TypeId
+Icmpv4DestinationUnreachable::GetInstanceTypeId (void) const
+{
+ return GetTypeId ();
+}
+uint32_t
+Icmpv4DestinationUnreachable::GetSerializedSize (void) const
+{
+ return 4 + m_header.GetSerializedSize () + 8;
+}
+void
+Icmpv4DestinationUnreachable::Serialize (Buffer::Iterator start) const
+{
+ start.WriteU16 (0);
+ start.WriteHtonU16 (m_nextHopMtu);
+ uint32_t size = m_header.GetSerializedSize ();
+ m_header.Serialize (start);
+ start.Next (size);
+ start.Write (m_data, 8);
+}
+
+uint32_t
+Icmpv4DestinationUnreachable::Deserialize (Buffer::Iterator start)
+{
+ Buffer::Iterator i = start;
+ i.Next (2);
+ m_nextHopMtu = i.ReadNtohU16 ();
+ uint32_t read = m_header.Deserialize (i);
+ i.Next (read);
+ for (uint8_t j = 0; j < 8; j++)
+ {
+ m_data[j] = i.ReadU8 ();
+ }
+ return i.GetDistanceFrom (start);
+}
+void
+Icmpv4DestinationUnreachable::Print (std::ostream &os) const
+{
+ m_header.Print (os);
+ os << " org data=";
+ for (uint8_t i = 0; i < 8; i++)
+ {
+ os << (uint32_t) m_data[i];
+ if (i != 8)
+ {
+ os << " ";
+ }
+ }
+}
+
+/********************************************************
+ * Icmpv4TimeExceeded
+ ********************************************************/
+
+TypeId
+Icmpv4TimeExceeded::GetTypeId (void)
+{
+ static TypeId tid = TypeId ("ns3::Icmpv4TimeExceeded")
+ .SetParent<Header> ()
+ .AddConstructor<Icmpv4TimeExceeded> ()
+ ;
+ return tid;
+}
+Icmpv4TimeExceeded::Icmpv4TimeExceeded ()
+{
+ // make sure that thing is initialized to get initialized bytes
+ // when the ip payload's size is smaller than 8 bytes.
+ for (uint8_t j = 0; j < 8; j++)
+ {
+ m_data[j] = 0;
+ }
+}
+
+
+void
+Icmpv4TimeExceeded::SetData (Ptr<const Packet> data)
+{
+ data->CopyData (m_data, 8);
+}
+void
+Icmpv4TimeExceeded::SetHeader (Ipv4Header header)
+{
+ m_header = header;
+}
+void
+Icmpv4TimeExceeded::GetData (uint8_t payload[8]) const
+{
+ memcpy (payload, m_data, 8);
+}
+Ipv4Header
+Icmpv4TimeExceeded::GetHeader (void) const
+{
+ return m_header;
+}
+
+
+Icmpv4TimeExceeded::~Icmpv4TimeExceeded ()
+{}
+TypeId
+Icmpv4TimeExceeded::GetInstanceTypeId (void) const
+{
+ return GetTypeId ();
+}
+uint32_t
+Icmpv4TimeExceeded::GetSerializedSize (void) const
+{
+ return 4 + m_header.GetSerializedSize () + 8;
+}
+void
+Icmpv4TimeExceeded::Serialize (Buffer::Iterator start) const
+{
+ start.WriteU32 (0);
+ uint32_t size = m_header.GetSerializedSize ();
+ m_header.Serialize (start);
+ start.Next (size);
+ start.Write (m_data, 8);
+}
+
+uint32_t
+Icmpv4TimeExceeded::Deserialize (Buffer::Iterator start)
+{
+ Buffer::Iterator i = start;
+ i.Next (4);
+ uint32_t read = m_header.Deserialize (i);
+ i.Next (read);
+ for (uint8_t j = 0; j < 8; j++)
+ {
+ m_data[j] = i.ReadU8 ();
+ }
+ return i.GetDistanceFrom (start);
+}
+void
+Icmpv4TimeExceeded::Print (std::ostream &os) const
+{
+ m_header.Print (os);
+ os << " org data=";
+ for (uint8_t i = 0; i < 8; i++)
+ {
+ os << (uint32_t) m_data[i];
+ if (i != 8)
+ {
+ os << " ";
+ }
+ }
+}
+
+} // namespace ns3