[Winpcap-users] Anyone have current Packet32 source?

[Gianluca Varenni]

Can you elaborate on that? Which packets do you want to count?

Have a nice day
GV
  ----- Original Message ----- 
  From: Dennis Drew 
  To: winpcap-users at winpcap.org 
  Sent: Thursday, August 13, 2009 11:59 AM
  Subject: Re: [Winpcap-users] Anyone have current Packet32 source?


  Hmmm... the "find" function cannot detect that embedded within () I guess. Thanks GV...

  So do you have any idea how at this low level I could determine the packet count so I could display it on my application screen? There is a byte count but that is not the same...

  Thanks,
  Dennis




------------------------------------------------------------------------------
  From: Gianluca Varenni <gianluca.varenni at cacetech.com>
  To: winpcap-users at winpcap.org
  Sent: Thursday, August 13, 2009 11:35:04 AM
  Subject: Re: [Winpcap-users] Anyone have current Packet32 source?


  The code in the compiled DLL is the same as the one that we ship as a source package (I'm the person who builds the packages). Remember that the same sources generate different binaries, depending on the build configuration you use (NT4, NT5x, NT6x). 

  The code you sent actually makes use of the Sync flag, here


    
  Res = (BOOLEAN)DeviceIoControl(AdapterObject->hFile,

  (Sync)?BIOCSENDPACKETSSYNC:BIOCSENDPACKETSNOSYNC,

  (PCHAR)PacketBuff + TotBytesTransfered,

  Size - TotBytesTransfered,

  NULL,

  0,



  Have a nice day
  GV

    ----- Original Message ----- 
    From: Dennis Drew 
    To: winpcap-users at winpcap.org 
    Sent: Thursday, August 13, 2009 11:03 AM
    Subject: [Winpcap-users] Anyone have current Packet32 source?


    Anyone have current Packet32 source?

    The code I see in the packetNtx download is not the same as the code supplied as a compiled .dll. This code section does not repond the the Sync flag and it also runs VERY, very slow... like one packet per second so the loop at "do{" must be broken.

    Any help on pointing me to a fully functional packet dll will be appreciated.

    Thnaks,
    Dennis (The other Dennis!)

    INT PacketSendPackets( EMCallBack CB, LPADAPTER AdapterObject, PVOID PacketBuff, ULONG Size, BOOLEAN Sync)

    {

    BOOLEAN Res;

    DWORD BytesTransfered, TotBytesTransfered=0;

    struct timeval BufStartTime;

    LARGE_INTEGER StartTicks, CurTicks, TargetTicks, TimeFreq;

    int nCt = 0, nCount = 0;

    TRACE_ENTER("PacketSendPackets");

    #ifdef HAVE_WANPACKET_API

    if(AdapterObject->Flags == INFO_FLAG_NDISWAN_ADAPTER)

    {

    TRACE_PRINT("PacketSendPackets: packet sending not allowed on wan adapters");

    TRACE_EXIT("PacketSendPackets");

    return 0;

    }

    #endif // HAVE_WANPACKET_API

    #ifdef HAVE_NPFIM_API

    if(AdapterObject->Flags == INFO_FLAG_NPFIM_DEVICE)

    {

    TRACE_PRINT("PacketSendPackets: packet sending not allowed on npfim adapters");

    TRACE_EXIT("PacketSendPackets");

    return 0;

    }

    #endif // HAVE_NPFIM_API

    #ifdef HAVE_AIRPCAP_API

    if(AdapterObject->Flags == INFO_FLAG_AIRPCAP_CARD)

    {

    TRACE_PRINT("PacketSendPackets: packet sending not allowed on airpcap adapters");

    TRACE_EXIT("PacketSendPackets");

    return 0;

    }

    #endif // HAVE_AIRPCAP_API

    if (AdapterObject->Flags == INFO_FLAG_NDIS_ADAPTER)

    {

    // Obtain starting timestamp of the buffer

    BufStartTime.tv_sec = ((struct timeval*)(PacketBuff))->tv_sec;

    BufStartTime.tv_usec = ((struct timeval*)(PacketBuff))->tv_usec;

    // Retrieve the reference time counters

    QueryPerformanceCounter(&StartTicks);

    QueryPerformanceFrequency(&TimeFreq);

    CurTicks.QuadPart = StartTicks.QuadPart;

    do{

    // Send the data to the driver

    //TODO Res is NEVER checked, this is REALLY bad.

    Res = (BOOLEAN)DeviceIoControl(AdapterObject->hFile,

    (Sync)?BIOCSENDPACKETSSYNC:BIOCSENDPACKETSNOSYNC,

    (PCHAR)PacketBuff + TotBytesTransfered,

    Size - TotBytesTransfered,

    NULL,

    0,

    &BytesTransfered,

    NULL);

    TotBytesTransfered += BytesTransfered;

    // Exit from the loop on termination or error

    if(TotBytesTransfered >= Size || Res != TRUE)

    break;

    // calculate the time interval to wait before sending the next packet

    TargetTicks.QuadPart = StartTicks.QuadPart +

    (LONGLONG)

    ((((struct timeval*)((PCHAR)PacketBuff + TotBytesTransfered))->tv_sec - BufStartTime.tv_sec) * 1000000 +

    (((struct timeval*)((PCHAR)PacketBuff + TotBytesTransfered))->tv_usec - BufStartTime.tv_usec)) *

    (TimeFreq.QuadPart) / 1000000;




    }

    // Wait until the time interval has elapsed

    while( CurTicks.QuadPart <= TargetTicks.QuadPart )

    QueryPerformanceCounter(&CurTicks);

    }

    while(TRUE);

    }

    else

    {

    TRACE_PRINT1("Request to write on an unknown device type (%u)", AdapterObject->Flags);

    TotBytesTransfered = 0;

    }

    TRACE_EXIT("PacketSendPackets");

    return TotBytesTransfered;

    }





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