public unsafe void Dump(Packet packet)
{
if (packet == null)
{
throw new ArgumentNullException("packet");
}
pcap_pkthdr pcapPkthdr;
PacketHeader.GetPcapHeader(&pcapPkthdr, packet);
basic_string\u003Cchar\u002Cstd\u003A\u003Achar_traits\u003Cchar\u003E\u002Cstd\u003A\u003Aallocator\u003Cchar\u003E\u0020\u003E stdAllocatorChar;
MarshalingServices.ManagedToUnmanagedString(&stdAllocatorChar, this._filename);
// ISSUE: fault handler
try
{
fixed(byte *numPtr = &packet.Buffer[0])
\u003CModule\u003E.pcap_dump((byte *)this._pcapDumper, &pcapPkthdr, numPtr);
}
__fault
{
// ISSUE: method pointer
// ISSUE: cast to a function pointer type
\u003CModule\u003E.___CxxCallUnwindDtor((__FnPtr <void (void *)>)__methodptr(std\u002Ebasic_string\u003Cchar\u002Cstd\u003A\u003Achar_traits\u003Cchar\u003E\u002Cstd\u003A\u003Aallocator\u003Cchar\u003E\u0020\u003E\u002E\u007Bdtor\u007D), (void *)&stdAllocatorChar);
}
// ISSUE: cast to a reference type
// ISSUE: explicit reference operation
if (16UL > (ulong) ^ (long&)((IntPtr) & stdAllocatorChar + 24))
{
return;
}
// ISSUE: explicit reference operation
// ISSUE: cast to a reference type
// ISSUE: explicit reference operation
\u003CModule\u003E.delete((void *) ^ (long&)@stdAllocatorChar);
}
public unsafe PacketCommunicatorReceiveResult ReceivePacket(out Packet packet)
{
this.AssertMode(PacketCommunicatorMode.Capture);
pcap_pkthdr *pcapPkthdrPtr1;
byte * numPtr;
PacketCommunicatorReceiveResult communicatorReceiveResult = this.RunPcapNextEx(&pcapPkthdrPtr1, &numPtr);
if (communicatorReceiveResult != PacketCommunicatorReceiveResult.Ok)
{
packet = (Packet)null;
return(communicatorReceiveResult);
}
IDataLink dataLink = (IDataLink) new PcapDataLink(\u003CModule\u003E.pcap_datalink(this._pcapDescriptor));
byte * unmanagedByteArray = numPtr;
pcap_pkthdr *pcapPkthdrPtr2 = pcapPkthdrPtr1;
DateTime dateTime = new DateTime();
PacketTimestamp.PcapTimestampToDateTime((timeval *)pcapPkthdrPtr1, out dateTime);
int offset = 0;
int count = *(int *)((IntPtr)pcapPkthdrPtr2 + 8L);
byte[] data = MarshalingServices.UnamangedToManagedByteArray(unmanagedByteArray, offset, count);
packet = new Packet(data, dateTime, dataLink);
return(PacketCommunicatorReceiveResult.Ok);
}
private unsafe void Initialize(pcap *pcapDescriptor, string filterString, IpV4SocketAddress netmask)
{
// ISSUE: untyped stack allocation
long num1 = (long)__untypedstackalloc(\u003CModule\u003E.__CxxQueryExceptionSize());
basic_string\u003Cchar\u002Cstd\u003A\u003Achar_traits\u003Cchar\u003E\u002Cstd\u003A\u003Aallocator\u003Cchar\u003E\u0020\u003E stdAllocatorChar;
MarshalingServices.ManagedToUnmanagedString(&stdAllocatorChar, filterString);
// ISSUE: fault handler
try
{
uint num2 = 0U;
if (netmask != null)
{
num2 = netmask.Address.ToValue();
}
bpf_program *bpfProgramPtr1 = (bpf_program *)\u003CModule\u003E.@new(16UL);
bpf_program *bpfProgramPtr2;
if ((IntPtr)bpfProgramPtr1 != IntPtr.Zero)
{
// ISSUE: initblk instruction
__memset((IntPtr)bpfProgramPtr1, 0, 16L);
bpfProgramPtr2 = bpfProgramPtr1;
}
else
{
bpfProgramPtr2 = (bpf_program *)0;
}
this._bpf = bpfProgramPtr2;
try
{
if (\u003CModule\u003E.pcap_compile(pcapDescriptor, this._bpf, \u003CModule\u003E.std\u002Ebasic_string\u003Cchar\u002Cstd\u003A\u003Achar_traits\u003Cchar\u003E\u002Cstd\u003A\u003Aallocator\u003Cchar\u003E\u0020\u003E\u002Ec_str(&stdAllocatorChar), 1, num2) < 0)
{
throw new ArgumentException("An error has occured when compiling the filter <" + filterString + ">: " + PcapError.GetErrorMessage(pcapDescriptor));
}
}
catch (Exception ex1) when(
{
// ISSUE: unable to correctly present filter
uint num3 = (uint)Marshal.GetExceptionCode();
if (\u003CModule\u003E.__CxxExceptionFilter((void *)Marshal.GetExceptionPointers(), (void *)0, 0, (void *)0) != 0)
{
SuccessfulFiltering;
}
else
{
throw;
}
}
)
{
uint num4 = 0U;
\u003CModule\u003E.__CxxRegisterExceptionObject((void *)Marshal.GetExceptionPointers(), (void *)num1);
try
{
try
{
\u003CModule\u003E.delete((void *)this._bpf);
\u003CModule\u003E._CxxThrowException((void *)0, (_s__ThrowInfo *)0);
}
catch (Exception ex2) when(
{
// ISSUE: unable to correctly present filter
num4 = (uint)\u003CModule\u003E.__CxxDetectRethrow((void *)Marshal.GetExceptionPointers());
if ((int)num4 != 0)
{
SuccessfulFiltering;
}
else
{
throw;
}
}
)
{
}
if ((int)num4 != 0)
{
throw;
}
}