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Code: Select all

#pragma BEGINDUMP

#include <windows.h>
#include <WinSock2.h>

HB_FUNC( WSASTARTUP )
{
   WORD WSAVerReq = MAKEWORD( 1, 1 );
   WSADATA WSAData;

   if( WSAStartup( WSAVerReq, &WSAData ) != 0 )
   {
      // wrong winsock dlls?
   }
}

SOCKET ServSock;

HB_FUNC( SOCKET )
{
   if( ( ServSock = socket( AF_IRDA, SOCK_STREAM, 0 ) ) == INVALID_SOCKET )
   {
      // WSAGetLastError()
   }
}

typedef struct _SOCKADDR_IRDA
{
   u_short irdaAddressFamily;
   u_char  irdaDeviceID[ 4 ];
   char    irdaServiceName[ 25 ];
} SOCKADDR_IRDA, * PSOCKADDR_IRDA, FAR * LPSOCKADDR_IRDA;

int sizeOfSockAddr;

HB_FUNC( BIND )
{
   SOCKADDR_IRDA ServSockAddr = { AF_IRDA, 0, 0, 0, 0, "SampleIrDAService" };

   if( bind( ServSock, ( const struct sockaddr * ) &ServSockAddr,
             sizeof( SOCKADDR_IRDA ) ) == SOCKET_ERROR )
   {
      // WSAGetLastError()
   }
}   

HB_FUNC( LISTEN )
{
   if( listen( ServSock, 2 ) == SOCKET_ERROR )
   {
      // WSAGetLastError()
   }
}	

HB_FUNC( ACCEPT )
{
   SOCKET NewSock;

   while( 1 )
   {
      sizeOfSockAddr = sizeof( SOCKADDR_IRDA );

      if( ( NewSock = accept( ServSock, ( struct sockaddr * ) &PeerSockAddr,
                              &sizeOfSockAddr ) ) == INVALID_SOCKET )
      {
         // WSAGetLastError()
         // exit
      }

      // NewSock is a connected socket
      // create a new thread and pass it NewSock, return to accept() on main
      // or use NewSock here until done, then close it
   }
}	

#define BUFF_LEN 4096

int  BytesRead, BytesSent;
char Buffer[ BUFF_LEN ];

HB_FUNC( RECV )
{
   if( ( BytesRead = recv( ServSock, Buffer, sizeof( Buffer ), 0 ) ) == SOCKET_ERROR )
   {
      // WSAGetLastError()
   }
   if( BytesRead == 0 )
   {
      // peer has closed the connection and I have all the data
      // close the socket now
   }
}

HB_FUNC( SEND )
{
   if( ( BytesSent = send( ServSock, Buffer, sizeof( Buffer ), 0 ) ) == SOCKET_ERROR )
   {
      // WSAGetLastError()
   }
   // check that BytesSent == sizeof(Buffer)
}		

HB_FUNC( CLOSESOCKET )
{
   if( closesocket( ServSock ) == SOCKET_ERROR )
   {
      // WSAGetLastError()
   }
}	

#pragma ENDDUMP

Code: Select all

#pragma BEGINDUMP

#include <windows.h>
#include <WinSock2.h>

#define IAS_SET_ATTRIB_MAX_LEN 32

// buffer for IAS set
BYTE          IASSetBuff[sizeof(IAS_SET) - 3 + IAS_SET_ATTRIB_MAX_LEN];
int           IASSetLen = sizeof(IASSetBuff);
PIAS_SET      pIASSet   = (PIAS_SET) &IASSetBuff;

// for the setsockopt call to enable 9 wire IrCOMM
int           Enable9WireMode  = 1;

// server sockaddr with IrCOMM name
SOCKADDR_IRDA ServSockAddr = { AF_IRDA, 0, 0, 0, 0, "IrDA:IrCOMM" };
SOCKADDR_IRDA PeerSockAddr;
int           sizeofSockAddr;

SOCKET        ServSock;
SOCKET        NewSock;

if ((ServSock = socket(AF_IRDA, SOCK_STREAM, 0)) == INVALID_SOCKET)
{
    // WSAGetLastError
}
    
// add IrCOMM IAS attributes for 3 wire cooked and 9 wire raw, see IrCOMM spec
memcpy(&pIASSet->irdaClassName[0],  "IrDA:IrCOMM", 12);
memcpy(&pIASSet->irdaAttribName[0], "Parameters",  11);
    
pIASSet->irdaAttribType                       = IAS_ATTRIB_OCTETSEQ;
pIASSet->irdaAttribute.irdaAttribOctetSeq.Len = 6;

memcpy(&pIASSet->irdaAttribute.irdaAttribOctetSeq.OctetSeq[0],
       "\000\001\006\001\001\001", 6);

if (setsockopt(ServSock, SOL_IRLMP, IRLMP_IAS_SET, (const char *) pIASSet, IASSetLen) 
    == SOCKET_ERROR)
{
    // WSAGetLastError
}

// enable 9wire mode before bind()
if (setsockopt(ServSock, SOL_IRLMP, IRLMP_9WIRE_MODE, (const char *) &Enable9WireMode,
               sizeof(int))  == SOCKET_ERROR)
{
    // WSAGetLastError
}

if (bind(ServSock, (const struct sockaddr *) &ServSockAddr, sizeof(SOCKADDR_IRDA))
    == SOCKET_ERROR)
{
    // WSAGetLastError
}

// nothing special for IrCOMM from now on...
if (listen(ServSock, SERV_BACKLOG) == SOCKET_ERROR)
{
    // WSAGetLastError
}

// IrCOMM Client
// The following code shows the steps necessary to build a client that connects via 9 Wire IrCOMM:

#define DEVICE_LIST_LEN 5

// discovery buffer
BYTE          DevListBuff[sizeof(DEVICELIST) - sizeof(IRDA_DEVICE_INFO) + 
                          (sizeof(IRDA_DEVICE_INFO) * DEVICE_LIST_LEN)];
int           DevListLen = sizeof(DevListBuff);
PDEVICELIST   pDevList   = (PDEVICELIST) &DevListBuff;
int           DevNum;

#define IAS_QUERY_ATTRIB_MAX_LEN 32

// buffer for IAS query
BYTE          IASQueryBuff[sizeof(IAS_QUERY) - 3 + IAS_QUERY_ATTRIB_MAX_LEN];
Int           IASQueryLen = sizeof(IASQueryBuff);
PIAS_QUERY    pIASQuery   = (PIAS_QUERY) &IASQueryBuff;
    
// for searching through peers IAS response
BOOL          Found = FALSE;
UCHAR        *pPI, *pPL, *pPV;
    
// for the setsockopt call to enbale 9 wire IrCOMM
int           Enable9WireMode  = 1;

SOCKADDR_IRDA DstAddrIR = { AF_IRDA, 0, 0, 0, 0, "IrDA:IrCOMM" };

if ((pConn->Sock = socket(AF_IRDA, SOCK_STREAM, 0)) == INVALID_SOCKET)
{
    // WSAGetLastError
}

// search for the peer device
pDevList->numDevice = 0;
if (getsockopt(pConn->Sock, SOL_IRLMP, IRLMP_ENUMDEVICES, (CHAR *) pDevList, &DevListLen)
    == SOCKET_ERROR)
{
    // WSAGetLastError
}

// if (pDevList->numDevice == 0)
{
    // no devices found, tell the user
}

// assume first device, we should have a common dialog here
memcpy(&DstAddrIR.irdaDeviceID[0], &pDevList->Device[0].irdaDeviceID[0], 4);

// query the peer to check for 9wire IrCOMM support
memcpy(&pIASQuery->irdaDeviceID[0], &pDevList->Device[0].irdaDeviceID[0], 4);

// IrCOMM IAS attributes
memcpy(&pIASQuery->irdaClassName[0],  "IrDA:IrCOMM", 12);
memcpy(&pIASQuery->irdaAttribName[0], "Parameters",  11);

if (getsockopt(pConn->Sock, SOL_IRLMP, IRLMP_IAS_QUERY,  (char *) pIASQuery, 
               &IASQueryLen) == SOCKET_ERROR)
{
    // WSAGetLastError
}

if (pIASQuery->irdaAttribType != IAS_ATTRIB_OCTETSEQ)
{
    // peer's IAS database entry for IrCOMM is bad
    // error
}

if (pIASQuery->irdaAttribute.irdaAttribOctetSeq.Len < 3)
{
    // peer's IAS database entry for IrCOMM is bad
    // error
}

// search for the PI value 0x00 and check 9 wire, see IrCOMM spec.
pPI = pIASQuery->irdaAttribute.irdaAttribOctetSeq.OctetSeq;
pPL = pPI + 1;
pPV = pPI + 2;

while (1)
{
    if (*pPI == 0 && (*pPV & 0x04))
    {
        Found = TRUE;
        break;
    }
        
    if (pPL + *pPL >= pIASQuery->irdaAttribute.irdaAttribOctetSeq.OctetSeq + 
                      pIASQuery->irdaAttribute.irdaAttribOctetSeq.Len)
    {
        break;
    }
        
     pPI = pPL + *pPL;
     pPL = pPI + 1;
     pPV = pPI + 2;
}

if (! Found)
{
    // peer doesn't support 9 wire mode
    // error
}

// enable 9wire mode before connect()
if (setsockopt(ServSock, SOL_IRLMP, IRLMP_9WIRE_MODE, (const char *) &Enable9WireMode,
               sizeof(int))  == SOCKET_ERROR)
{
    // WSAGetLastError
}

// nothing special for IrCOMM from now on...
if (connect(pConn->Sock, (const struct sockaddr *) &DstAddrIR, sizeof(SOCKADDR_IRDA)) 
    == SOCKET_ERROR)
{
    // WSAGetLastError
}

#pragma ENDDUMP

Code: Select all

#include "FWCE.ch"

function Main()

   IrdaPrint( "Hello World!" )

return nil

#pragma BEGINDUMP

#include <hbapi.h>
#include <windows.h>

#define _WIN32_WCE 

#include <WinSock2.h>
#include <af_irda.h>

#define NUMRETRY 10 // No está definido en el ejemplo. Usamos 10 a ver que tal

HB_FUNC( IRDAPRINT ) // cText
{
   SOCKET   sock;           // Socket bound to the server
   DEVICELIST  devList;     // Device list
   int    iCount = 0,       // Number of retries
          index = 0,        // Integer index
          iDevListLen = sizeof(devList);  // Size of the device list
   TCHAR    szError[ 100 ]; // Error message string
   WSADATA   wsaData;
   WORD    wVersion = MAKEWORD( 1, 1 );  // Winsock Version 1.1
   BYTE    IASQueryBuff[ sizeof( IAS_QUERY ) - 3 + IAS_MAX_ATTRIBNAME ];
   int    IASQueryLen = sizeof( IASQueryBuff );
   PIAS_QUERY  pIASQuery = ( PIAS_QUERY ) &IASQueryBuff;
   char    szServiceName[ 12 ];
   SOCKADDR_IRDA iraddr;
   struct linger   l;   

   if( WSAStartup( wVersion, &wsaData ) != 0 )
   {
      wsprintf( szError, TEXT( "WSAStartup failed. Error: %d" ),
                WSAGetLastError() );
      MessageBox( 0, szError, TEXT( "error" ), 0 );
      return;
   }
   
   // Create a socket that is bound to the server.
   if( ( sock = socket( AF_IRDA, SOCK_STREAM, 0 ) ) == INVALID_SOCKET )
   {
      wsprintf( szError, TEXT( "Allocating socket failed. Error: %d" ),
                WSAGetLastError() );
      MessageBox( 0, szError, TEXT( "error" ), 0 );
      WSACleanup();
      return;
   }

   // Initialize the number of devices to zero.
   devList.numDevice = 0;

   while( ( devList.numDevice == 0 ) && ( iCount <= NUMRETRY ) )
   {
      // Retrieve the socket option
      if( getsockopt( sock, SOL_IRLMP, IRLMP_ENUMDEVICES, ( char * ) &devList,
                      &iDevListLen) == SOCKET_ERROR )
      {
         wsprintf( szError, TEXT( "Server could not be located, getsockopt failed. Error: %d"), WSAGetLastError() );
         MessageBox( 0, szError, TEXT( "Error" ), 0 );
         closesocket( sock );
         WSACleanup();
         return;
      }
      if( devList.numDevice == 0 )
      {
         iCount++;
         Sleep( 1000 );
      }
   }

   if( iCount > NUMRETRY )
   {
      MessageBox( 0, TEXT( "Server could not be located!" ),  TEXT( "Error" ), 0 );
      closesocket( sock );
      WSACleanup();
      return;
   }

   memcpy( &pIASQuery->irdaDeviceID, devList.Device[ 0 ].irdaDeviceID, 4 );
   memcpy( &pIASQuery->irdaClassName,  "IrLPT", 6 );
   memcpy( &pIASQuery->irdaAttribName, "IrDA:IrLMP:LsapSel", 19 );

   if( getsockopt( sock, SOL_IRLMP, IRLMP_IAS_QUERY, ( char * ) pIASQuery,
                   &IASQueryLen) == SOCKET_ERROR )
   {
      wsprintf( szError, TEXT( "getsockopt failed. Error: %d" ), WSAGetLastError() );
      MessageBox( 0, szError, TEXT( "Error" ), 0 );
      closesocket( sock );
      WSACleanup();
      return;
   }

   sprintf( szServiceName, "LSAP-SEL%d", pIASQuery->irdaAttribute.irdaAttribInt );

   memset( &iraddr, 0, sizeof( iraddr ) );
   iraddr.irdaAddressFamily = AF_IRDA;
   memcpy( iraddr.irdaDeviceID, devList.Device[ 0 ].irdaDeviceID, 4 );
   memcpy( iraddr.irdaServiceName, szServiceName, strlen( szServiceName ) + 1 );

   // Establish a connection to the socket.
   if( connect( sock, ( struct sockaddr * ) &iraddr, sizeof( iraddr ) ) == SOCKET_ERROR )
   {
      wsprintf( szError, TEXT( "Connecting to the server failed. Error: %d" ), WSAGetLastError() );
      MessageBox( 0, szError, TEXT( "Error" ), MB_OK );
      closesocket( sock );
      WSACleanup();
      return;
   }
   
   // Turn on SO_LINGER
   l.l_onoff = 1;
   l.l_linger = 0;
   if( setsockopt( sock, SOL_SOCKET, SO_LINGER, ( char * ) &l, 
                   sizeof( struct linger ) ) == SOCKET_ERROR )
   {
      wsprintf( szError, TEXT( "setsockopt failed. Error: %d" ), WSAGetLastError() );
      MessageBox( 0, szError, TEXT( "Error" ), MB_OK );
      closesocket( sock );
      WSACleanup();
      return;
   }
   
   // Send a string from the client socket to the server socket.
   if( send( sock, hb_parc( 1 ), hb_parclen( 1 ) + 1, 0 ) == SOCKET_ERROR )
   {
      wsprintf( szError, TEXT( "Sending data to the server failed. Error: %d" ),
                WSAGetLastError() );
      MessageBox( 0, szError, TEXT( "Error" ), MB_OK );
      closesocket( sock );
      WSACleanup();
      return;
   }

   // Close the socket.
   if( closesocket( sock ) == SOCKET_ERROR )
   {
      wsprintf( szError, TEXT( "closesocket failed. Error: %d" ),
                WSAGetLastError() );
      MessageBox( 0, szError, TEXT( "Error" ), 0 );
      WSACleanup();
      return;
   }

   WSACleanup();
}

#pragma ENDDUMP